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/*-------------------------------------------------------------------------
* drawElements Quality Program OpenGL ES 3.0 Module
* -------------------------------------------------
*
* Copyright 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*//*!
* \file
* \brief Texture access function tests.
*//*--------------------------------------------------------------------*/
#include "es3fShaderTextureFunctionTests.hpp"
#include "glsShaderRenderCase.hpp"
#include "glsShaderLibrary.hpp"
#include "glsTextureTestUtil.hpp"
#include "gluTexture.hpp"
#include "gluTextureUtil.hpp"
#include "gluPixelTransfer.hpp"
#include "gluStrUtil.hpp"
#include "tcuTextureUtil.hpp"
#include "tcuMatrix.hpp"
#include "tcuMatrixUtil.hpp"
#include "tcuTestLog.hpp"
#include "glwFunctions.hpp"
#include "deMath.h"
#include <sstream>
#include "glwEnums.hpp"
#include "glwFunctions.hpp"
namespace deqp
{
namespace gles3
{
namespace Functional
{
namespace
{
using glu::TextureTestUtil::computeLodFromDerivates;
enum Function
{
FUNCTION_TEXTURE = 0, //!< texture(), textureOffset()
FUNCTION_TEXTUREPROJ, //!< textureProj(), textureProjOffset()
FUNCTION_TEXTUREPROJ3, //!< textureProj(sampler2D, vec3)
FUNCTION_TEXTURELOD, // ...
FUNCTION_TEXTUREPROJLOD,
FUNCTION_TEXTUREPROJLOD3, //!< textureProjLod(sampler2D, vec3)
FUNCTION_TEXTUREGRAD,
FUNCTION_TEXTUREPROJGRAD,
FUNCTION_TEXTUREPROJGRAD3, //!< textureProjGrad(sampler2D, vec3)
FUNCTION_TEXELFETCH,
FUNCTION_LAST
};
inline bool functionHasAutoLod(glu::ShaderType shaderType, Function function)
{
return shaderType == glu::SHADERTYPE_FRAGMENT &&
(function == FUNCTION_TEXTURE || function == FUNCTION_TEXTUREPROJ || function == FUNCTION_TEXTUREPROJ3);
}
inline bool functionHasProj(Function function)
{
return function == FUNCTION_TEXTUREPROJ || function == FUNCTION_TEXTUREPROJ3 ||
function == FUNCTION_TEXTUREPROJLOD || function == FUNCTION_TEXTUREPROJGRAD ||
function == FUNCTION_TEXTUREPROJLOD3 || function == FUNCTION_TEXTUREPROJGRAD3;
}
inline bool functionHasGrad(Function function)
{
return function == FUNCTION_TEXTUREGRAD || function == FUNCTION_TEXTUREPROJGRAD ||
function == FUNCTION_TEXTUREPROJGRAD3;
}
inline bool functionHasLod(Function function)
{
return function == FUNCTION_TEXTURELOD || function == FUNCTION_TEXTUREPROJLOD ||
function == FUNCTION_TEXTUREPROJLOD3 || function == FUNCTION_TEXELFETCH;
}
struct TextureLookupSpec
{
Function function;
tcu::Vec4 minCoord;
tcu::Vec4 maxCoord;
// Bias
bool useBias;
// Bias or Lod for *Lod* functions
float minLodBias;
float maxLodBias;
// For *Grad* functions
tcu::Vec3 minDX;
tcu::Vec3 maxDX;
tcu::Vec3 minDY;
tcu::Vec3 maxDY;
bool useOffset;
tcu::IVec3 offset;
TextureLookupSpec(void)
: function(FUNCTION_LAST)
, minCoord(0.0f)
, maxCoord(1.0f)
, useBias(false)
, minLodBias(0.0f)
, maxLodBias(0.0f)
, minDX(0.0f)
, maxDX(0.0f)
, minDY(0.0f)
, maxDY(0.0f)
, useOffset(false)
, offset(0)
{
}
TextureLookupSpec(Function function_, const tcu::Vec4 &minCoord_, const tcu::Vec4 &maxCoord_, bool useBias_,
float minLodBias_, float maxLodBias_, const tcu::Vec3 &minDX_, const tcu::Vec3 &maxDX_,
const tcu::Vec3 &minDY_, const tcu::Vec3 &maxDY_, bool useOffset_, const tcu::IVec3 &offset_)
: function(function_)
, minCoord(minCoord_)
, maxCoord(maxCoord_)
, useBias(useBias_)
, minLodBias(minLodBias_)
, maxLodBias(maxLodBias_)
, minDX(minDX_)
, maxDX(maxDX_)
, minDY(minDY_)
, maxDY(maxDY_)
, useOffset(useOffset_)
, offset(offset_)
{
}
};
enum TextureType
{
TEXTURETYPE_2D,
TEXTURETYPE_CUBE_MAP,
TEXTURETYPE_2D_ARRAY,
TEXTURETYPE_3D,
TEXTURETYPE_LAST
};
struct TextureSpec
{
TextureType type; //!< Texture type (2D, cubemap, ...)
uint32_t format; //!< Internal format.
int width;
int height;
int depth;
int numLevels;
tcu::Sampler sampler;
TextureSpec(void) : type(TEXTURETYPE_LAST), format(GL_NONE), width(0), height(0), depth(0), numLevels(0)
{
}
TextureSpec(TextureType type_, uint32_t format_, int width_, int height_, int depth_, int numLevels_,
const tcu::Sampler &sampler_)
: type(type_)
, format(format_)
, width(width_)
, height(height_)
, depth(depth_)
, numLevels(numLevels_)
, sampler(sampler_)
{
}
};
struct TexLookupParams
{
float lod;
tcu::IVec3 offset;
tcu::Vec4 scale;
tcu::Vec4 bias;
TexLookupParams(void) : lod(0.0f), offset(0), scale(1.0f), bias(0.0f)
{
}
};
} // namespace
using tcu::IVec2;
using tcu::IVec3;
using tcu::IVec4;
using tcu::Vec2;
using tcu::Vec3;
using tcu::Vec4;
static const glu::TextureTestUtil::LodMode DEFAULT_LOD_MODE = glu::TextureTestUtil::LODMODE_EXACT;
inline float computeLodFromGrad2D(const gls::ShaderEvalContext &c)
{
float w = (float)c.textures[0].tex2D->getWidth();
float h = (float)c.textures[0].tex2D->getHeight();
return computeLodFromDerivates(DEFAULT_LOD_MODE, c.in[1].x() * w, c.in[1].y() * h, c.in[2].x() * w,
c.in[2].y() * h);
}
inline float computeLodFromGrad2DArray(const gls::ShaderEvalContext &c)
{
float w = (float)c.textures[0].tex2DArray->getWidth();
float h = (float)c.textures[0].tex2DArray->getHeight();
return computeLodFromDerivates(DEFAULT_LOD_MODE, c.in[1].x() * w, c.in[1].y() * h, c.in[2].x() * w,
c.in[2].y() * h);
}
inline float computeLodFromGrad3D(const gls::ShaderEvalContext &c)
{
float w = (float)c.textures[0].tex3D->getWidth();
float h = (float)c.textures[0].tex3D->getHeight();
float d = (float)c.textures[0].tex3D->getDepth();
return computeLodFromDerivates(DEFAULT_LOD_MODE, c.in[1].x() * w, c.in[1].y() * h, c.in[1].z() * d, c.in[2].x() * w,
c.in[2].y() * h, c.in[2].z() * d);
}
inline float computeLodFromGradCube(const gls::ShaderEvalContext &c)
{
// \note Major axis is always -Z or +Z
float m = de::abs(c.in[0].z());
float d = (float)c.textures[0].texCube->getSize();
float s = d / (2.0f * m);
float t = d / (2.0f * m);
return computeLodFromDerivates(DEFAULT_LOD_MODE, c.in[1].x() * s, c.in[1].y() * t, c.in[2].x() * s,
c.in[2].y() * t);
}
typedef void (*TexEvalFunc)(gls::ShaderEvalContext &c, const TexLookupParams &lookupParams);
inline Vec4 texture2D(const gls::ShaderEvalContext &c, float s, float t, float lod)
{
return c.textures[0].tex2D->sample(c.textures[0].sampler, s, t, lod);
}
inline Vec4 textureCube(const gls::ShaderEvalContext &c, float s, float t, float r, float lod)
{
return c.textures[0].texCube->sample(c.textures[0].sampler, s, t, r, lod);
}
inline Vec4 texture2DArray(const gls::ShaderEvalContext &c, float s, float t, float r, float lod)
{
return c.textures[0].tex2DArray->sample(c.textures[0].sampler, s, t, r, lod);
}
inline Vec4 texture3D(const gls::ShaderEvalContext &c, float s, float t, float r, float lod)
{
return c.textures[0].tex3D->sample(c.textures[0].sampler, s, t, r, lod);
}
inline float texture2DShadow(const gls::ShaderEvalContext &c, float ref, float s, float t, float lod)
{
return c.textures[0].tex2D->sampleCompare(c.textures[0].sampler, ref, s, t, lod);
}
inline float textureCubeShadow(const gls::ShaderEvalContext &c, float ref, float s, float t, float r, float lod)
{
return c.textures[0].texCube->sampleCompare(c.textures[0].sampler, ref, s, t, r, lod);
}
inline float texture2DArrayShadow(const gls::ShaderEvalContext &c, float ref, float s, float t, float r, float lod)
{
return c.textures[0].tex2DArray->sampleCompare(c.textures[0].sampler, ref, s, t, r, lod);
}
inline Vec4 texture2DOffset(const gls::ShaderEvalContext &c, float s, float t, float lod, IVec2 offset)
{
return c.textures[0].tex2D->sampleOffset(c.textures[0].sampler, s, t, lod, offset);
}
inline Vec4 texture2DArrayOffset(const gls::ShaderEvalContext &c, float s, float t, float r, float lod, IVec2 offset)
{
return c.textures[0].tex2DArray->sampleOffset(c.textures[0].sampler, s, t, r, lod, offset);
}
inline Vec4 texture3DOffset(const gls::ShaderEvalContext &c, float s, float t, float r, float lod, IVec3 offset)
{
return c.textures[0].tex3D->sampleOffset(c.textures[0].sampler, s, t, r, lod, offset);
}
inline float texture2DShadowOffset(const gls::ShaderEvalContext &c, float ref, float s, float t, float lod,
IVec2 offset)
{
return c.textures[0].tex2D->sampleCompareOffset(c.textures[0].sampler, ref, s, t, lod, offset);
}
inline float texture2DArrayShadowOffset(const gls::ShaderEvalContext &c, float ref, float s, float t, float r,
float lod, IVec2 offset)
{
return c.textures[0].tex2DArray->sampleCompareOffset(c.textures[0].sampler, ref, s, t, r, lod, offset);
}
// Eval functions.
static void evalTexture2D(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2D(c, c.in[0].x(), c.in[0].y(), p.lod) * p.scale + p.bias;
}
static void evalTextureCube(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = textureCube(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod) * p.scale + p.bias;
}
static void evalTexture2DArray(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2DArray(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod) * p.scale + p.bias;
}
static void evalTexture3D(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture3D(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod) * p.scale + p.bias;
}
static void evalTexture2DBias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2D(c, c.in[0].x(), c.in[0].y(), p.lod + c.in[1].x()) * p.scale + p.bias;
}
static void evalTextureCubeBias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = textureCube(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod + c.in[1].x()) * p.scale + p.bias;
}
static void evalTexture2DArrayBias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2DArray(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod + c.in[1].x()) * p.scale + p.bias;
}
static void evalTexture3DBias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture3D(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod + c.in[1].x()) * p.scale + p.bias;
}
static void evalTexture2DProj3(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2D(c, c.in[0].x() / c.in[0].z(), c.in[0].y() / c.in[0].z(), p.lod) * p.scale + p.bias;
}
static void evalTexture2DProj3Bias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color =
texture2D(c, c.in[0].x() / c.in[0].z(), c.in[0].y() / c.in[0].z(), p.lod + c.in[1].x()) * p.scale + p.bias;
}
static void evalTexture2DProj(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2D(c, c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(), p.lod) * p.scale + p.bias;
}
static void evalTexture2DProjBias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color =
texture2D(c, c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(), p.lod + c.in[1].x()) * p.scale + p.bias;
}
static void evalTexture3DProj(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color =
texture3D(c, c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(), c.in[0].z() / c.in[0].w(), p.lod) * p.scale +
p.bias;
}
static void evalTexture3DProjBias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture3D(c, c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(), c.in[0].z() / c.in[0].w(),
p.lod + c.in[1].x()) *
p.scale +
p.bias;
}
static void evalTexture2DLod(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2D(c, c.in[0].x(), c.in[0].y(), c.in[1].x()) * p.scale + p.bias;
}
static void evalTextureCubeLod(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = textureCube(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), c.in[1].x()) * p.scale + p.bias;
}
static void evalTexture2DArrayLod(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2DArray(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), c.in[1].x()) * p.scale + p.bias;
}
static void evalTexture3DLod(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture3D(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), c.in[1].x()) * p.scale + p.bias;
}
static void evalTexture2DProjLod3(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2D(c, c.in[0].x() / c.in[0].z(), c.in[0].y() / c.in[0].z(), c.in[1].x()) * p.scale + p.bias;
}
static void evalTexture2DProjLod(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2D(c, c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(), c.in[1].x()) * p.scale + p.bias;
}
static void evalTexture3DProjLod(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color =
texture3D(c, c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(), c.in[0].z() / c.in[0].w(), c.in[1].x()) *
p.scale +
p.bias;
}
// Offset variants
static void evalTexture2DOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2DOffset(c, c.in[0].x(), c.in[0].y(), p.lod, p.offset.swizzle(0, 1)) * p.scale + p.bias;
}
static void evalTexture2DArrayOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2DArrayOffset(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod, p.offset.swizzle(0, 1)) * p.scale +
p.bias;
}
static void evalTexture3DOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture3DOffset(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod, p.offset) * p.scale + p.bias;
}
static void evalTexture2DOffsetBias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color =
texture2DOffset(c, c.in[0].x(), c.in[0].y(), p.lod + c.in[1].x(), p.offset.swizzle(0, 1)) * p.scale + p.bias;
}
static void evalTexture2DArrayOffsetBias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color =
texture2DArrayOffset(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod + c.in[1].x(), p.offset.swizzle(0, 1)) *
p.scale +
p.bias;
}
static void evalTexture3DOffsetBias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color =
texture3DOffset(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod + c.in[1].x(), p.offset) * p.scale + p.bias;
}
static void evalTexture2DLodOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2DOffset(c, c.in[0].x(), c.in[0].y(), c.in[1].x(), p.offset.swizzle(0, 1)) * p.scale + p.bias;
}
static void evalTexture2DArrayLodOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color =
texture2DArrayOffset(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), c.in[1].x(), p.offset.swizzle(0, 1)) * p.scale +
p.bias;
}
static void evalTexture3DLodOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture3DOffset(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), c.in[1].x(), p.offset) * p.scale + p.bias;
}
static void evalTexture2DProj3Offset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2DOffset(c, c.in[0].x() / c.in[0].z(), c.in[0].y() / c.in[0].z(), p.lod, p.offset.swizzle(0, 1)) *
p.scale +
p.bias;
}
static void evalTexture2DProj3OffsetBias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2DOffset(c, c.in[0].x() / c.in[0].z(), c.in[0].y() / c.in[0].z(), p.lod + c.in[1].x(),
p.offset.swizzle(0, 1)) *
p.scale +
p.bias;
}
static void evalTexture2DProjOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2DOffset(c, c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(), p.lod, p.offset.swizzle(0, 1)) *
p.scale +
p.bias;
}
static void evalTexture2DProjOffsetBias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2DOffset(c, c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(), p.lod + c.in[1].x(),
p.offset.swizzle(0, 1)) *
p.scale +
p.bias;
}
static void evalTexture3DProjOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture3DOffset(c, c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(), c.in[0].z() / c.in[0].w(), p.lod,
p.offset) *
p.scale +
p.bias;
}
static void evalTexture3DProjOffsetBias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture3DOffset(c, c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(), c.in[0].z() / c.in[0].w(),
p.lod + c.in[1].x(), p.offset) *
p.scale +
p.bias;
}
static void evalTexture2DProjLod3Offset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color =
texture2DOffset(c, c.in[0].x() / c.in[0].z(), c.in[0].y() / c.in[0].z(), c.in[1].x(), p.offset.swizzle(0, 1)) *
p.scale +
p.bias;
}
static void evalTexture2DProjLodOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color =
texture2DOffset(c, c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(), c.in[1].x(), p.offset.swizzle(0, 1)) *
p.scale +
p.bias;
}
static void evalTexture3DProjLodOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture3DOffset(c, c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(), c.in[0].z() / c.in[0].w(),
c.in[1].x(), p.offset) *
p.scale +
p.bias;
}
// Shadow variants
static void evalTexture2DShadow(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color.x() = texture2DShadow(c, c.in[0].z(), c.in[0].x(), c.in[0].y(), p.lod);
}
static void evalTexture2DShadowBias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color.x() = texture2DShadow(c, c.in[0].z(), c.in[0].x(), c.in[0].y(), p.lod + c.in[1].x());
}
static void evalTextureCubeShadow(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color.x() = textureCubeShadow(c, c.in[0].w(), c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod);
}
static void evalTextureCubeShadowBias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color.x() = textureCubeShadow(c, c.in[0].w(), c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod + c.in[1].x());
}
static void evalTexture2DArrayShadow(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color.x() = texture2DArrayShadow(c, c.in[0].w(), c.in[0].x(), c.in[0].y(), c.in[0].z(), p.lod);
}
static void evalTexture2DShadowLod(gls::ShaderEvalContext &c, const TexLookupParams &)
{
c.color.x() = texture2DShadow(c, c.in[0].z(), c.in[0].x(), c.in[0].y(), c.in[1].x());
}
static void evalTexture2DShadowLodOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color.x() = texture2DShadowOffset(c, c.in[0].z(), c.in[0].x(), c.in[0].y(), c.in[1].x(), p.offset.swizzle(0, 1));
}
static void evalTexture2DShadowProj(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color.x() =
texture2DShadow(c, c.in[0].z() / c.in[0].w(), c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(), p.lod);
}
static void evalTexture2DShadowProjBias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color.x() = texture2DShadow(c, c.in[0].z() / c.in[0].w(), c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(),
p.lod + c.in[1].x());
}
static void evalTexture2DShadowProjLod(gls::ShaderEvalContext &c, const TexLookupParams &)
{
c.color.x() = texture2DShadow(c, c.in[0].z() / c.in[0].w(), c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(),
c.in[1].x());
}
static void evalTexture2DShadowProjLodOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color.x() = texture2DShadowOffset(c, c.in[0].z() / c.in[0].w(), c.in[0].x() / c.in[0].w(),
c.in[0].y() / c.in[0].w(), c.in[1].x(), p.offset.swizzle(0, 1));
}
static void evalTexture2DShadowOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color.x() = texture2DShadowOffset(c, c.in[0].z(), c.in[0].x(), c.in[0].y(), p.lod, p.offset.swizzle(0, 1));
}
static void evalTexture2DShadowOffsetBias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color.x() =
texture2DShadowOffset(c, c.in[0].z(), c.in[0].x(), c.in[0].y(), p.lod + c.in[1].x(), p.offset.swizzle(0, 1));
}
static void evalTexture2DShadowProjOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color.x() = texture2DShadowOffset(c, c.in[0].z() / c.in[0].w(), c.in[0].x() / c.in[0].w(),
c.in[0].y() / c.in[0].w(), p.lod, p.offset.swizzle(0, 1));
}
static void evalTexture2DShadowProjOffsetBias(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color.x() = texture2DShadowOffset(c, c.in[0].z() / c.in[0].w(), c.in[0].x() / c.in[0].w(),
c.in[0].y() / c.in[0].w(), p.lod + c.in[1].x(), p.offset.swizzle(0, 1));
}
// Gradient variarts
static void evalTexture2DGrad(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2D(c, c.in[0].x(), c.in[0].y(), computeLodFromGrad2D(c)) * p.scale + p.bias;
}
static void evalTextureCubeGrad(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = textureCube(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), computeLodFromGradCube(c)) * p.scale + p.bias;
}
static void evalTexture2DArrayGrad(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2DArray(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), computeLodFromGrad2DArray(c)) * p.scale + p.bias;
}
static void evalTexture3DGrad(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture3D(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), computeLodFromGrad3D(c)) * p.scale + p.bias;
}
static void evalTexture2DShadowGrad(gls::ShaderEvalContext &c, const TexLookupParams &)
{
c.color.x() = texture2DShadow(c, c.in[0].z(), c.in[0].x(), c.in[0].y(), computeLodFromGrad2D(c));
}
static void evalTextureCubeShadowGrad(gls::ShaderEvalContext &c, const TexLookupParams &)
{
c.color.x() = textureCubeShadow(c, c.in[0].w(), c.in[0].x(), c.in[0].y(), c.in[0].z(), computeLodFromGradCube(c));
}
static void evalTexture2DArrayShadowGrad(gls::ShaderEvalContext &c, const TexLookupParams &)
{
c.color.x() =
texture2DArrayShadow(c, c.in[0].w(), c.in[0].x(), c.in[0].y(), c.in[0].z(), computeLodFromGrad2DArray(c));
}
static void evalTexture2DGradOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2DOffset(c, c.in[0].x(), c.in[0].y(), computeLodFromGrad2D(c), p.offset.swizzle(0, 1)) * p.scale +
p.bias;
}
static void evalTexture2DArrayGradOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2DArrayOffset(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), computeLodFromGrad2DArray(c),
p.offset.swizzle(0, 1)) *
p.scale +
p.bias;
}
static void evalTexture3DGradOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color =
texture3DOffset(c, c.in[0].x(), c.in[0].y(), c.in[0].z(), computeLodFromGrad3D(c), p.offset) * p.scale + p.bias;
}
static void evalTexture2DShadowGradOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color.x() = texture2DShadowOffset(c, c.in[0].z(), c.in[0].x(), c.in[0].y(), computeLodFromGrad2D(c),
p.offset.swizzle(0, 1));
}
static void evalTexture2DArrayShadowGradOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color.x() = texture2DArrayShadowOffset(c, c.in[0].w(), c.in[0].x(), c.in[0].y(), c.in[0].z(),
computeLodFromGrad2DArray(c), p.offset.swizzle(0, 1));
}
static void evalTexture2DShadowProjGrad(gls::ShaderEvalContext &c, const TexLookupParams &)
{
c.color.x() = texture2DShadow(c, c.in[0].z() / c.in[0].w(), c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(),
computeLodFromGrad2D(c));
}
static void evalTexture2DShadowProjGradOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color.x() = texture2DShadowOffset(c, c.in[0].z() / c.in[0].w(), c.in[0].x() / c.in[0].w(),
c.in[0].y() / c.in[0].w(), computeLodFromGrad2D(c), p.offset.swizzle(0, 1));
}
static void evalTexture2DProjGrad3(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color =
texture2D(c, c.in[0].x() / c.in[0].z(), c.in[0].y() / c.in[0].z(), computeLodFromGrad2D(c)) * p.scale + p.bias;
}
static void evalTexture2DProjGrad(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color =
texture2D(c, c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(), computeLodFromGrad2D(c)) * p.scale + p.bias;
}
static void evalTexture3DProjGrad(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture3D(c, c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(), c.in[0].z() / c.in[0].w(),
computeLodFromGrad3D(c)) *
p.scale +
p.bias;
}
static void evalTexture2DProjGrad3Offset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2DOffset(c, c.in[0].x() / c.in[0].z(), c.in[0].y() / c.in[0].z(), computeLodFromGrad2D(c),
p.offset.swizzle(0, 1)) *
p.scale +
p.bias;
}
static void evalTexture2DProjGradOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture2DOffset(c, c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(), computeLodFromGrad2D(c),
p.offset.swizzle(0, 1)) *
p.scale +
p.bias;
}
static void evalTexture3DProjGradOffset(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
c.color = texture3DOffset(c, c.in[0].x() / c.in[0].w(), c.in[0].y() / c.in[0].w(), c.in[0].z() / c.in[0].w(),
computeLodFromGrad3D(c), p.offset) *
p.scale +
p.bias;
}
// Texel fetch variants
static void evalTexelFetch2D(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
int x = deChopFloatToInt32(c.in[0].x()) + p.offset.x();
int y = deChopFloatToInt32(c.in[0].y()) + p.offset.y();
int lod = deChopFloatToInt32(c.in[1].x());
c.color = c.textures[0].tex2D->getLevel(lod).getPixel(x, y) * p.scale + p.bias;
}
static void evalTexelFetch2DArray(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
int x = deChopFloatToInt32(c.in[0].x()) + p.offset.x();
int y = deChopFloatToInt32(c.in[0].y()) + p.offset.y();
int l = deChopFloatToInt32(c.in[0].z());
int lod = deChopFloatToInt32(c.in[1].x());
c.color = c.textures[0].tex2DArray->getLevel(lod).getPixel(x, y, l) * p.scale + p.bias;
}
static void evalTexelFetch3D(gls::ShaderEvalContext &c, const TexLookupParams &p)
{
int x = deChopFloatToInt32(c.in[0].x()) + p.offset.x();
int y = deChopFloatToInt32(c.in[0].y()) + p.offset.y();
int z = deChopFloatToInt32(c.in[0].z()) + p.offset.z();
int lod = deChopFloatToInt32(c.in[1].x());
c.color = c.textures[0].tex3D->getLevel(lod).getPixel(x, y, z) * p.scale + p.bias;
}
class TexLookupEvaluator : public gls::ShaderEvaluator
{
public:
TexLookupEvaluator(TexEvalFunc evalFunc, const TexLookupParams &lookupParams)
: m_evalFunc(evalFunc)
, m_lookupParams(lookupParams)
{
}
virtual void evaluate(gls::ShaderEvalContext &ctx)
{
m_evalFunc(ctx, m_lookupParams);
}
private:
TexEvalFunc m_evalFunc;
const TexLookupParams &m_lookupParams;
};
class ShaderTextureFunctionCase : public gls::ShaderRenderCase
{
public:
ShaderTextureFunctionCase(Context &context, const char *name, const char *desc, const TextureLookupSpec &lookup,
const TextureSpec &texture, TexEvalFunc evalFunc, bool isVertexCase);
~ShaderTextureFunctionCase(void);
void init(void);
void deinit(void);
protected:
void setupUniforms(int programID, const tcu::Vec4 &constCoords);
private:
void initTexture(void);
void initShaderSources(void);
TextureLookupSpec m_lookupSpec;
TextureSpec m_textureSpec;
TexLookupParams m_lookupParams;
TexLookupEvaluator m_evaluator;
glu::Texture2D *m_texture2D;
glu::TextureCube *m_textureCube;
glu::Texture2DArray *m_texture2DArray;
glu::Texture3D *m_texture3D;
};
ShaderTextureFunctionCase::ShaderTextureFunctionCase(Context &context, const char *name, const char *desc,
const TextureLookupSpec &lookup, const TextureSpec &texture,
TexEvalFunc evalFunc, bool isVertexCase)
: gls::ShaderRenderCase(context.getTestContext(), context.getRenderContext(), context.getContextInfo(), name, desc,
isVertexCase, m_evaluator)
, m_lookupSpec(lookup)
, m_textureSpec(texture)
, m_evaluator(evalFunc, m_lookupParams)
, m_texture2D(DE_NULL)
, m_textureCube(DE_NULL)
, m_texture2DArray(DE_NULL)
, m_texture3D(DE_NULL)
{
}
ShaderTextureFunctionCase::~ShaderTextureFunctionCase(void)
{
delete m_texture2D;
delete m_textureCube;
delete m_texture2DArray;
delete m_texture3D;
}
void ShaderTextureFunctionCase::init(void)
{
{
// Base coord scale & bias
Vec4 s = m_lookupSpec.maxCoord - m_lookupSpec.minCoord;
Vec4 b = m_lookupSpec.minCoord;
float baseCoordTrans[] = {s.x(), 0.0f, 0.f, b.x(),
0.f, s.y(), 0.f, b.y(),
s.z() / 2.f, -s.z() / 2.f, 0.f, s.z() / 2.f + b.z(),
-s.w() / 2.f, s.w() / 2.f, 0.f, s.w() / 2.f + b.w()};
m_userAttribTransforms.push_back(tcu::Mat4(baseCoordTrans));
}
bool hasLodBias = functionHasLod(m_lookupSpec.function) || m_lookupSpec.useBias;
bool isGrad = functionHasGrad(m_lookupSpec.function);
DE_ASSERT(!isGrad || !hasLodBias);
if (hasLodBias)
{
float s = m_lookupSpec.maxLodBias - m_lookupSpec.minLodBias;
float b = m_lookupSpec.minLodBias;
float lodCoordTrans[] = {s / 2.0f, s / 2.0f, 0.f, b, 0.0f, 0.0f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f};
m_userAttribTransforms.push_back(tcu::Mat4(lodCoordTrans));
}
else if (isGrad)
{
Vec3 sx = m_lookupSpec.maxDX - m_lookupSpec.minDX;
Vec3 sy = m_lookupSpec.maxDY - m_lookupSpec.minDY;
float gradDxTrans[] = {sx.x() / 2.0f, sx.x() / 2.0f, 0.f, m_lookupSpec.minDX.x(),
sx.y() / 2.0f, sx.y() / 2.0f, 0.0f, m_lookupSpec.minDX.y(),
sx.z() / 2.0f, sx.z() / 2.0f, 0.0f, m_lookupSpec.minDX.z(),
0.0f, 0.0f, 0.0f, 0.0f};
float gradDyTrans[] = {-sy.x() / 2.0f, -sy.x() / 2.0f, 0.f, m_lookupSpec.maxDY.x(),
-sy.y() / 2.0f, -sy.y() / 2.0f, 0.0f, m_lookupSpec.maxDY.y(),
-sy.z() / 2.0f, -sy.z() / 2.0f, 0.0f, m_lookupSpec.maxDY.z(),
0.0f, 0.0f, 0.0f, 0.0f};
m_userAttribTransforms.push_back(tcu::Mat4(gradDxTrans));
m_userAttribTransforms.push_back(tcu::Mat4(gradDyTrans));
}
initShaderSources();
initTexture();
gls::ShaderRenderCase::init();
}
void ShaderTextureFunctionCase::initTexture(void)
{
static const IVec4 texCubeSwz[] = {IVec4(0, 0, 1, 1), IVec4(1, 1, 0, 0), IVec4(0, 1, 0, 1),
IVec4(1, 0, 1, 0), IVec4(0, 1, 1, 0), IVec4(1, 0, 0, 1)};
DE_STATIC_ASSERT(DE_LENGTH_OF_ARRAY(texCubeSwz) == tcu::CUBEFACE_LAST);
tcu::TextureFormat texFmt = glu::mapGLInternalFormat(m_textureSpec.format);
tcu::TextureFormatInfo fmtInfo = tcu::getTextureFormatInfo(texFmt);
tcu::IVec2 viewportSize = getViewportSize();
bool useProj = functionHasProj(m_lookupSpec.function) && !functionHasGrad(m_lookupSpec.function) &&
!functionHasLod(m_lookupSpec.function);
bool isAutoLod = functionHasAutoLod(m_isVertexCase ? glu::SHADERTYPE_VERTEX : glu::SHADERTYPE_FRAGMENT,
m_lookupSpec.function); // LOD can vary significantly
float proj = useProj ? 1.0f / m_lookupSpec.minCoord[m_lookupSpec.function == FUNCTION_TEXTUREPROJ3 ? 2 : 3] : 1.0f;
switch (m_textureSpec.type)
{
case TEXTURETYPE_2D:
{
float levelStep = isAutoLod ? 0.0f : 1.0f / (float)de::max(1, m_textureSpec.numLevels - 1);
Vec4 cScale = fmtInfo.valueMax - fmtInfo.valueMin;
Vec4 cBias = fmtInfo.valueMin;
int baseCellSize = de::min(m_textureSpec.width / 4, m_textureSpec.height / 4);
m_texture2D = new glu::Texture2D(m_renderCtx, m_textureSpec.format, m_textureSpec.width, m_textureSpec.height);
for (int level = 0; level < m_textureSpec.numLevels; level++)
{
float fA = float(level) * levelStep;
float fB = 1.0f - fA;
Vec4 colorA = cBias + cScale * Vec4(fA, fB, fA, fB);
Vec4 colorB = cBias + cScale * Vec4(fB, fA, fB, fA);
m_texture2D->getRefTexture().allocLevel(level);
tcu::fillWithGrid(m_texture2D->getRefTexture().getLevel(level), de::max(1, baseCellSize >> level), colorA,
colorB);
}
m_texture2D->upload();
// Compute LOD.
float dudx = (m_lookupSpec.maxCoord[0] - m_lookupSpec.minCoord[0]) * proj * (float)m_textureSpec.width /
(float)viewportSize[0];
float dvdy = (m_lookupSpec.maxCoord[1] - m_lookupSpec.minCoord[1]) * proj * (float)m_textureSpec.height /
(float)viewportSize[1];
m_lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, 0.0f, dvdy);
// Append to texture list.
m_textures.push_back(gls::TextureBinding(m_texture2D, m_textureSpec.sampler));
break;
}
case TEXTURETYPE_CUBE_MAP:
{
float levelStep = isAutoLod ? 0.0f : 1.0f / (float)de::max(1, m_textureSpec.numLevels - 1);
Vec4 cScale = fmtInfo.valueMax - fmtInfo.valueMin;
Vec4 cBias = fmtInfo.valueMin;
Vec4 cCorner = cBias + cScale * 0.5f;
int baseCellSize = de::min(m_textureSpec.width / 4, m_textureSpec.height / 4);
DE_ASSERT(m_textureSpec.width == m_textureSpec.height);
m_textureCube = new glu::TextureCube(m_renderCtx, m_textureSpec.format, m_textureSpec.width);
for (int level = 0; level < m_textureSpec.numLevels; level++)
{
float fA = float(level) * levelStep;
float fB = 1.0f - fA;
Vec2 f(fA, fB);
for (int face = 0; face < tcu::CUBEFACE_LAST; face++)
{
const IVec4 &swzA = texCubeSwz[face];
IVec4 swzB = 1 - swzA;
Vec4 colorA = cBias + cScale * f.swizzle(swzA[0], swzA[1], swzA[2], swzA[3]);
Vec4 colorB = cBias + cScale * f.swizzle(swzB[0], swzB[1], swzB[2], swzB[3]);
m_textureCube->getRefTexture().allocLevel((tcu::CubeFace)face, level);
{
const tcu::PixelBufferAccess access =
m_textureCube->getRefTexture().getLevelFace(level, (tcu::CubeFace)face);
const int lastPix = access.getWidth() - 1;
tcu::fillWithGrid(access, de::max(1, baseCellSize >> level), colorA, colorB);
// Ensure all corners have identical colors in order to avoid dealing with ambiguous corner texel filtering
access.setPixel(cCorner, 0, 0);
access.setPixel(cCorner, 0, lastPix);
access.setPixel(cCorner, lastPix, 0);
access.setPixel(cCorner, lastPix, lastPix);
}
}
}
m_textureCube->upload();
// Compute LOD \note Assumes that only single side is accessed and R is constant major axis.
DE_ASSERT(de::abs(m_lookupSpec.minCoord[2] - m_lookupSpec.maxCoord[2]) < 0.005);
DE_ASSERT(de::abs(m_lookupSpec.minCoord[0]) < de::abs(m_lookupSpec.minCoord[2]) &&
de::abs(m_lookupSpec.maxCoord[0]) < de::abs(m_lookupSpec.minCoord[2]));
DE_ASSERT(de::abs(m_lookupSpec.minCoord[1]) < de::abs(m_lookupSpec.minCoord[2]) &&
de::abs(m_lookupSpec.maxCoord[1]) < de::abs(m_lookupSpec.minCoord[2]));
tcu::CubeFaceFloatCoords c00 = tcu::getCubeFaceCoords(
Vec3(m_lookupSpec.minCoord[0] * proj, m_lookupSpec.minCoord[1] * proj, m_lookupSpec.minCoord[2] * proj));
tcu::CubeFaceFloatCoords c10 = tcu::getCubeFaceCoords(
Vec3(m_lookupSpec.maxCoord[0] * proj, m_lookupSpec.minCoord[1] * proj, m_lookupSpec.minCoord[2] * proj));
tcu::CubeFaceFloatCoords c01 = tcu::getCubeFaceCoords(
Vec3(m_lookupSpec.minCoord[0] * proj, m_lookupSpec.maxCoord[1] * proj, m_lookupSpec.minCoord[2] * proj));
float dudx = (c10.s - c00.s) * (float)m_textureSpec.width / (float)viewportSize[0];
float dvdy = (c01.t - c00.t) * (float)m_textureSpec.height / (float)viewportSize[1];
m_lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, 0.0f, dvdy);
m_textures.push_back(gls::TextureBinding(m_textureCube, m_textureSpec.sampler));
break;
}
case TEXTURETYPE_2D_ARRAY:
{
float layerStep = 1.0f / (float)m_textureSpec.depth;
float levelStep =
isAutoLod ? 0.0f : 1.0f / (float)(de::max(1, m_textureSpec.numLevels - 1) * m_textureSpec.depth);
Vec4 cScale = fmtInfo.valueMax - fmtInfo.valueMin;
Vec4 cBias = fmtInfo.valueMin;
int baseCellSize = de::min(m_textureSpec.width / 4, m_textureSpec.height / 4);
m_texture2DArray = new glu::Texture2DArray(m_renderCtx, m_textureSpec.format, m_textureSpec.width,
m_textureSpec.height, m_textureSpec.depth);
for (int level = 0; level < m_textureSpec.numLevels; level++)
{
m_texture2DArray->getRefTexture().allocLevel(level);
tcu::PixelBufferAccess levelAccess = m_texture2DArray->getRefTexture().getLevel(level);
for (int layer = 0; layer < levelAccess.getDepth(); layer++)
{
float fA = (float)layer * layerStep + (float)level * levelStep;
float fB = 1.0f - fA;
Vec4 colorA = cBias + cScale * Vec4(fA, fB, fA, fB);
Vec4 colorB = cBias + cScale * Vec4(fB, fA, fB, fA);
tcu::fillWithGrid(
tcu::getSubregion(levelAccess, 0, 0, layer, levelAccess.getWidth(), levelAccess.getHeight(), 1),
de::max(1, baseCellSize >> level), colorA, colorB);
}
}
m_texture2DArray->upload();
// Compute LOD.
float dudx = (m_lookupSpec.maxCoord[0] - m_lookupSpec.minCoord[0]) * proj * (float)m_textureSpec.width /
(float)viewportSize[0];
float dvdy = (m_lookupSpec.maxCoord[1] - m_lookupSpec.minCoord[1]) * proj * (float)m_textureSpec.height /
(float)viewportSize[1];
m_lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, 0.0f, dvdy);
// Append to texture list.
m_textures.push_back(gls::TextureBinding(m_texture2DArray, m_textureSpec.sampler));
break;
}
case TEXTURETYPE_3D:
{
float levelStep = isAutoLod ? 0.0f : 1.0f / (float)de::max(1, m_textureSpec.numLevels - 1);
Vec4 cScale = fmtInfo.valueMax - fmtInfo.valueMin;
Vec4 cBias = fmtInfo.valueMin;
int baseCellSize = de::min(de::min(m_textureSpec.width / 2, m_textureSpec.height / 2), m_textureSpec.depth / 2);
m_texture3D = new glu::Texture3D(m_renderCtx, m_textureSpec.format, m_textureSpec.width, m_textureSpec.height,
m_textureSpec.depth);
for (int level = 0; level < m_textureSpec.numLevels; level++)
{
float fA = (float)level * levelStep;
float fB = 1.0f - fA;
Vec4 colorA = cBias + cScale * Vec4(fA, fB, fA, fB);
Vec4 colorB = cBias + cScale * Vec4(fB, fA, fB, fA);
m_texture3D->getRefTexture().allocLevel(level);
tcu::fillWithGrid(m_texture3D->getRefTexture().getLevel(level), de::max(1, baseCellSize >> level), colorA,
colorB);
}
m_texture3D->upload();
// Compute LOD.
float dudx = (m_lookupSpec.maxCoord[0] - m_lookupSpec.minCoord[0]) * proj * (float)m_textureSpec.width /
(float)viewportSize[0];
float dvdy = (m_lookupSpec.maxCoord[1] - m_lookupSpec.minCoord[1]) * proj * (float)m_textureSpec.height /
(float)viewportSize[1];
float dwdx = (m_lookupSpec.maxCoord[2] - m_lookupSpec.minCoord[2]) * 0.5f * proj * (float)m_textureSpec.depth /
(float)viewportSize[0];
float dwdy = (m_lookupSpec.maxCoord[2] - m_lookupSpec.minCoord[2]) * 0.5f * proj * (float)m_textureSpec.depth /
(float)viewportSize[1];
m_lookupParams.lod = computeLodFromDerivates(DEFAULT_LOD_MODE, dudx, 0.0f, dwdx, 0.0f, dvdy, dwdy);
// Append to texture list.
m_textures.push_back(gls::TextureBinding(m_texture3D, m_textureSpec.sampler));
break;
}
default:
DE_ASSERT(false);
}
// Set lookup scale & bias
m_lookupParams.scale = fmtInfo.lookupScale;
m_lookupParams.bias = fmtInfo.lookupBias;
m_lookupParams.offset = m_lookupSpec.offset;
}
void ShaderTextureFunctionCase::initShaderSources(void)
{
Function function = m_lookupSpec.function;
bool isVtxCase = m_isVertexCase;
bool isProj = functionHasProj(function);
bool isGrad = functionHasGrad(function);
bool isShadow = m_textureSpec.sampler.compare != tcu::Sampler::COMPAREMODE_NONE;
bool is2DProj4 = !isShadow && m_textureSpec.type == TEXTURETYPE_2D &&
(function == FUNCTION_TEXTUREPROJ || function == FUNCTION_TEXTUREPROJLOD ||
function == FUNCTION_TEXTUREPROJGRAD);
bool isIntCoord = function == FUNCTION_TEXELFETCH;
bool hasLodBias = functionHasLod(m_lookupSpec.function) || m_lookupSpec.useBias;
int texCoordComps = m_textureSpec.type == TEXTURETYPE_2D ? 2 : 3;
int extraCoordComps = (isProj ? (is2DProj4 ? 2 : 1) : 0) + (isShadow ? 1 : 0);
glu::DataType coordType = glu::getDataTypeFloatVec(texCoordComps + extraCoordComps);
glu::Precision coordPrec = glu::PRECISION_HIGHP;
const char *coordTypeName = glu::getDataTypeName(coordType);
const char *coordPrecName = glu::getPrecisionName(coordPrec);
tcu::TextureFormat texFmt = glu::mapGLInternalFormat(m_textureSpec.format);
glu::DataType samplerType = glu::TYPE_LAST;
glu::DataType gradType = (m_textureSpec.type == TEXTURETYPE_CUBE_MAP || m_textureSpec.type == TEXTURETYPE_3D) ?
glu::TYPE_FLOAT_VEC3 :
glu::TYPE_FLOAT_VEC2;
const char *gradTypeName = glu::getDataTypeName(gradType);
const char *baseFuncName = DE_NULL;
DE_ASSERT(!isGrad || !hasLodBias);
switch (m_textureSpec.type)
{
case TEXTURETYPE_2D:
samplerType = isShadow ? glu::TYPE_SAMPLER_2D_SHADOW : glu::getSampler2DType(texFmt);
break;
case TEXTURETYPE_CUBE_MAP:
samplerType = isShadow ? glu::TYPE_SAMPLER_CUBE_SHADOW : glu::getSamplerCubeType(texFmt);
break;
case TEXTURETYPE_2D_ARRAY:
samplerType = isShadow ? glu::TYPE_SAMPLER_2D_ARRAY_SHADOW : glu::getSampler2DArrayType(texFmt);
break;
case TEXTURETYPE_3D:
DE_ASSERT(!isShadow);
samplerType = glu::getSampler3DType(texFmt);
break;
default:
DE_ASSERT(false);
}
switch (m_lookupSpec.function)
{
case FUNCTION_TEXTURE:
baseFuncName = "texture";
break;
case FUNCTION_TEXTUREPROJ:
baseFuncName = "textureProj";
break;
case FUNCTION_TEXTUREPROJ3:
baseFuncName = "textureProj";
break;
case FUNCTION_TEXTURELOD:
baseFuncName = "textureLod";
break;
case FUNCTION_TEXTUREPROJLOD:
baseFuncName = "textureProjLod";
break;
case FUNCTION_TEXTUREPROJLOD3:
baseFuncName = "textureProjLod";
break;
case FUNCTION_TEXTUREGRAD:
baseFuncName = "textureGrad";
break;
case FUNCTION_TEXTUREPROJGRAD:
baseFuncName = "textureProjGrad";
break;
case FUNCTION_TEXTUREPROJGRAD3:
baseFuncName = "textureProjGrad";
break;
case FUNCTION_TEXELFETCH:
baseFuncName = "texelFetch";
break;
default:
DE_ASSERT(false);
}
std::ostringstream vert;
std::ostringstream frag;
std::ostringstream &op = isVtxCase ? vert : frag;
vert << "#version 300 es\n"
<< "in highp vec4 a_position;\n"
<< "in " << coordPrecName << " " << coordTypeName << " a_in0;\n";
if (isGrad)
{
vert << "in " << coordPrecName << " " << gradTypeName << " a_in1;\n";
vert << "in " << coordPrecName << " " << gradTypeName << " a_in2;\n";
}
else if (hasLodBias)
vert << "in " << coordPrecName << " float a_in1;\n";
frag << "#version 300 es\n"
<< "layout(location = 0) out mediump vec4 o_color;\n";
if (isVtxCase)
{
vert << "out mediump vec4 v_color;\n";
frag << "in mediump vec4 v_color;\n";
}
else
{
vert << "out " << coordPrecName << " " << coordTypeName << " v_texCoord;\n";
frag << "in " << coordPrecName << " " << coordTypeName << " v_texCoord;\n";
if (isGrad)
{
vert << "out " << coordPrecName << " " << gradTypeName << " v_gradX;\n";
vert << "out " << coordPrecName << " " << gradTypeName << " v_gradY;\n";
frag << "in " << coordPrecName << " " << gradTypeName << " v_gradX;\n";
frag << "in " << coordPrecName << " " << gradTypeName << " v_gradY;\n";
}
if (hasLodBias)
{
vert << "out " << coordPrecName << " float v_lodBias;\n";
frag << "in " << coordPrecName << " float v_lodBias;\n";
}
}
// Uniforms
op << "uniform highp " << glu::getDataTypeName(samplerType) << " u_sampler;\n"
<< "uniform highp vec4 u_scale;\n"
<< "uniform highp vec4 u_bias;\n";
vert << "\nvoid main()\n{\n"
<< "\tgl_Position = a_position;\n";
frag << "\nvoid main()\n{\n";
if (isVtxCase)
vert << "\tv_color = ";
else
frag << "\to_color = ";
// Op.
{
const char *texCoord = isVtxCase ? "a_in0" : "v_texCoord";
const char *gradX = isVtxCase ? "a_in1" : "v_gradX";
const char *gradY = isVtxCase ? "a_in2" : "v_gradY";
const char *lodBias = isVtxCase ? "a_in1" : "v_lodBias";
op << "vec4(" << baseFuncName;
if (m_lookupSpec.useOffset)
op << "Offset";
op << "(u_sampler, ";
if (isIntCoord)
op << "ivec" << (texCoordComps + extraCoordComps) << "(";
op << texCoord;
if (isIntCoord)
op << ")";
if (isGrad)
op << ", " << gradX << ", " << gradY;
if (functionHasLod(function))
{
if (isIntCoord)
op << ", int(" << lodBias << ")";
else
op << ", " << lodBias;
}
if (m_lookupSpec.useOffset)
{
int offsetComps = m_textureSpec.type == TEXTURETYPE_3D ? 3 : 2;
op << ", ivec" << offsetComps << "(";
for (int ndx = 0; ndx < offsetComps; ndx++)
{
if (ndx != 0)
op << ", ";
op << m_lookupSpec.offset[ndx];
}
op << ")";
}
if (m_lookupSpec.useBias)
op << ", " << lodBias;
op << ")";
if (isShadow)
op << ", 0.0, 0.0, 1.0)";
else
op << ")*u_scale + u_bias";
op << ";\n";
}
if (isVtxCase)
frag << "\to_color = v_color;\n";
else
{
vert << "\tv_texCoord = a_in0;\n";
if (isGrad)
{
vert << "\tv_gradX = a_in1;\n";
vert << "\tv_gradY = a_in2;\n";
}
else if (hasLodBias)
vert << "\tv_lodBias = a_in1;\n";
}
vert << "}\n";
frag << "}\n";
m_vertShaderSource = vert.str();
m_fragShaderSource = frag.str();
}
void ShaderTextureFunctionCase::deinit(void)
{
gls::ShaderRenderCase::deinit();
delete m_texture2D;
delete m_textureCube;
delete m_texture2DArray;
delete m_texture3D;
m_texture2D = DE_NULL;
m_textureCube = DE_NULL;
m_texture2DArray = DE_NULL;
m_texture3D = DE_NULL;
}
void ShaderTextureFunctionCase::setupUniforms(int programID, const tcu::Vec4 &)
{
const glw::Functions &gl = m_renderCtx.getFunctions();
gl.uniform1i(gl.getUniformLocation(programID, "u_sampler"), 0);
gl.uniform4fv(gl.getUniformLocation(programID, "u_scale"), 1, m_lookupParams.scale.getPtr());
gl.uniform4fv(gl.getUniformLocation(programID, "u_bias"), 1, m_lookupParams.bias.getPtr());
}
class TextureSizeCase : public TestCase
{
public:
TextureSizeCase(Context &context, const char *name, const char *desc, const char *samplerType,
const TextureSpec &texture, bool isVertexCase);
~TextureSizeCase(void);
void deinit(void);
IterateResult iterate(void);
private:
struct TestSize
{
tcu::IVec3 textureSize;
int lod;
int lodBase;
tcu::IVec3 expectedSize;
};
bool initShader(void);
void freeShader(void);
bool testTextureSize(const TestSize &);
std::string genVertexShader(void) const;
std::string genFragmentShader(void) const;
glw::GLenum getGLTextureTarget(void) const;
const char *m_samplerTypeStr;
const TextureSpec m_textureSpec;
const bool m_isVertexCase;
const bool m_has3DSize;
glu::ShaderProgram *m_program;
int m_iterationCounter;
};
TextureSizeCase::TextureSizeCase(Context &context, const char *name, const char *desc, const char *samplerType,
const TextureSpec &texture, bool isVertexCase)
: TestCase(context, name, desc)
, m_samplerTypeStr(samplerType)
, m_textureSpec(texture)
, m_isVertexCase(isVertexCase)
, m_has3DSize(texture.type == TEXTURETYPE_3D || texture.type == TEXTURETYPE_2D_ARRAY)
, m_program(DE_NULL)
, m_iterationCounter(0)
{
}
TextureSizeCase::~TextureSizeCase(void)
{
deinit();
}
void TextureSizeCase::deinit(void)
{
freeShader();
}
TestCase::IterateResult TextureSizeCase::iterate(void)
{
const int currentIteration = m_iterationCounter++;
const TestSize testSizes[] = {
{tcu::IVec3(1, 2, 1), 1, 0, tcu::IVec3(1, 1, 1)},
{tcu::IVec3(1, 2, 1), 0, 0, tcu::IVec3(1, 2, 1)},
{tcu::IVec3(1, 3, 2), 0, 0, tcu::IVec3(1, 3, 2)},
{tcu::IVec3(1, 3, 2), 1, 0, tcu::IVec3(1, 1, 1)},
{tcu::IVec3(100, 31, 18), 0, 0, tcu::IVec3(100, 31, 18)},
{tcu::IVec3(100, 31, 18), 1, 0, tcu::IVec3(50, 15, 9)},
{tcu::IVec3(100, 31, 18), 2, 0, tcu::IVec3(25, 7, 4)},
{tcu::IVec3(100, 31, 18), 3, 0, tcu::IVec3(12, 3, 2)},
{tcu::IVec3(100, 31, 18), 4, 0, tcu::IVec3(6, 1, 1)},
{tcu::IVec3(100, 31, 18), 5, 0, tcu::IVec3(3, 1, 1)},
{tcu::IVec3(100, 31, 18), 6, 0, tcu::IVec3(1, 1, 1)},
{tcu::IVec3(100, 128, 32), 0, 0, tcu::IVec3(100, 128, 32)},
{tcu::IVec3(100, 128, 32), 1, 0, tcu::IVec3(50, 64, 16)},
{tcu::IVec3(100, 128, 32), 2, 0, tcu::IVec3(25, 32, 8)},
{tcu::IVec3(100, 128, 32), 3, 0, tcu::IVec3(12, 16, 4)},
{tcu::IVec3(100, 128, 32), 4, 0, tcu::IVec3(6, 8, 2)},
{tcu::IVec3(100, 128, 32), 5, 0, tcu::IVec3(3, 4, 1)},
{tcu::IVec3(100, 128, 32), 6, 0, tcu::IVec3(1, 2, 1)},
{tcu::IVec3(100, 128, 32), 7, 0, tcu::IVec3(1, 1, 1)},
// pow 2
{tcu::IVec3(128, 64, 32), 0, 0, tcu::IVec3(128, 64, 32)},
{tcu::IVec3(128, 64, 32), 1, 0, tcu::IVec3(64, 32, 16)},
{tcu::IVec3(128, 64, 32), 2, 0, tcu::IVec3(32, 16, 8)},
{tcu::IVec3(128, 64, 32), 3, 0, tcu::IVec3(16, 8, 4)},
{tcu::IVec3(128, 64, 32), 4, 0, tcu::IVec3(8, 4, 2)},
{tcu::IVec3(128, 64, 32), 5, 0, tcu::IVec3(4, 2, 1)},
{tcu::IVec3(128, 64, 32), 6, 0, tcu::IVec3(2, 1, 1)},
{tcu::IVec3(128, 64, 32), 7, 0, tcu::IVec3(1, 1, 1)},
// w == h
{tcu::IVec3(1, 1, 1), 0, 0, tcu::IVec3(1, 1, 1)},
{tcu::IVec3(64, 64, 64), 0, 0, tcu::IVec3(64, 64, 64)},
{tcu::IVec3(64, 64, 64), 1, 0, tcu::IVec3(32, 32, 32)},
{tcu::IVec3(64, 64, 64), 2, 0, tcu::IVec3(16, 16, 16)},
{tcu::IVec3(64, 64, 64), 3, 0, tcu::IVec3(8, 8, 8)},
{tcu::IVec3(64, 64, 64), 4, 0, tcu::IVec3(4, 4, 4)},
// with lod base
{tcu::IVec3(100, 31, 18), 3, 1, tcu::IVec3(6, 1, 1)},
{tcu::IVec3(128, 64, 32), 3, 1, tcu::IVec3(8, 4, 2)},
{tcu::IVec3(64, 64, 64), 1, 1, tcu::IVec3(16, 16, 16)},
};
const int lastIterationIndex = DE_LENGTH_OF_ARRAY(testSizes) + 1;
if (currentIteration == 0)
{
m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
return initShader() ? CONTINUE : STOP;
}
else if (currentIteration == lastIterationIndex)
{
freeShader();
return STOP;
}
else
{
if (!testTextureSize(testSizes[currentIteration - 1]))
if (m_testCtx.getTestResult() != QP_TEST_RESULT_FAIL)
m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Got unexpected texture size");
return CONTINUE;
}
}
bool TextureSizeCase::initShader(void)
{
const std::string vertSrc = genVertexShader();
const std::string fragSrc = genFragmentShader();
DE_ASSERT(m_program == DE_NULL);
m_program = new glu::ShaderProgram(m_context.getRenderContext(), glu::makeVtxFragSources(vertSrc, fragSrc));
m_context.getTestContext().getLog() << *m_program;
if (!m_program->isOk())
{
m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Shader failed");
return false;
}
return true;
}
void TextureSizeCase::freeShader(void)
{
delete m_program;
m_program = DE_NULL;
}
bool TextureSizeCase::testTextureSize(const TestSize &testSize)
{
using tcu::TestLog;
const tcu::Vec4 triangle[3] = // covers entire viewport
{
tcu::Vec4(-1, -1, 0, 1),
tcu::Vec4(4, -1, 0, 1),
tcu::Vec4(-1, 4, 0, 1),
};
const glw::Functions &gl = m_context.getRenderContext().getFunctions();
const glw::GLint positionLoc = gl.getAttribLocation(m_program->getProgram(), "a_position");
const glw::GLint samplerLoc = gl.getUniformLocation(m_program->getProgram(), "u_sampler");
const glw::GLint sizeLoc = gl.getUniformLocation(m_program->getProgram(), "u_texSize");
const glw::GLint lodLoc = gl.getUniformLocation(m_program->getProgram(), "u_lod");
const glw::GLenum textureTarget = getGLTextureTarget();
const bool isSquare = testSize.textureSize.x() == testSize.textureSize.y();
const bool is2DLodValid = (testSize.textureSize.x() >> (testSize.lod + testSize.lodBase)) != 0 ||
(testSize.textureSize.y() >> (testSize.lod + testSize.lodBase)) != 0;
bool success = true;
glw::GLenum errorValue;
// Skip incompatible cases
if (m_textureSpec.type == TEXTURETYPE_CUBE_MAP && !isSquare)
return true;
if (m_textureSpec.type == TEXTURETYPE_2D && !is2DLodValid)
return true;
if (m_textureSpec.type == TEXTURETYPE_2D_ARRAY && !is2DLodValid)
return true;
// setup rendering
gl.useProgram(m_program->getProgram());
gl.uniform1i(samplerLoc, 0);
gl.clearColor(0.5f, 0.5f, 0.5f, 1.0f);
gl.viewport(0, 0, 1, 1);
gl.vertexAttribPointer(positionLoc, 4, GL_FLOAT, GL_FALSE, 0, triangle);
gl.enableVertexAttribArray(positionLoc);
// setup texture
{
const int maxLevel = testSize.lod + testSize.lodBase;
const int levels = maxLevel + 1;
glw::GLuint texId = 0;
// gen texture
gl.genTextures(1, &texId);
gl.bindTexture(textureTarget, texId);
gl.texParameteri(textureTarget, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
gl.texParameteri(textureTarget, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
gl.texParameteri(textureTarget, GL_TEXTURE_BASE_LEVEL, testSize.lodBase);
// set up texture
switch (m_textureSpec.type)
{
case TEXTURETYPE_3D:
{
m_context.getTestContext().getLog()
<< TestLog::Message << "Testing image size " << testSize.textureSize.x() << "x"
<< testSize.textureSize.y() << "x" << testSize.textureSize.z() << TestLog::EndMessage;
m_context.getTestContext().getLog() << TestLog::Message << "Lod: " << testSize.lod
<< ", base level: " << testSize.lodBase << TestLog::EndMessage;
m_context.getTestContext().getLog()
<< TestLog::Message << "Expecting: " << testSize.expectedSize.x() << "x" << testSize.expectedSize.y()
<< "x" << testSize.expectedSize.z() << TestLog::EndMessage;
gl.uniform3iv(sizeLoc, 1, testSize.expectedSize.m_data);
gl.uniform1iv(lodLoc, 1, &testSize.lod);
gl.texStorage3D(textureTarget, levels, m_textureSpec.format, testSize.textureSize.x(),
testSize.textureSize.y(), testSize.textureSize.z());
break;
}
case TEXTURETYPE_2D:
case TEXTURETYPE_CUBE_MAP:
{
m_context.getTestContext().getLog() << TestLog::Message << "Testing image size " << testSize.textureSize.x()
<< "x" << testSize.textureSize.y() << TestLog::EndMessage;
m_context.getTestContext().getLog() << TestLog::Message << "Lod: " << testSize.lod
<< ", base level: " << testSize.lodBase << TestLog::EndMessage;
m_context.getTestContext().getLog() << TestLog::Message << "Expecting: " << testSize.expectedSize.x() << "x"
<< testSize.expectedSize.y() << TestLog::EndMessage;
gl.uniform2iv(sizeLoc, 1, testSize.expectedSize.m_data);
gl.uniform1iv(lodLoc, 1, &testSize.lod);
gl.texStorage2D(textureTarget, levels, m_textureSpec.format, testSize.textureSize.x(),
testSize.textureSize.y());
break;
}
case TEXTURETYPE_2D_ARRAY:
{
tcu::IVec3 expectedSize(testSize.expectedSize.x(), testSize.expectedSize.y(), testSize.textureSize.z());
m_context.getTestContext().getLog() << TestLog::Message << "Testing image size " << testSize.textureSize.x()
<< "x" << testSize.textureSize.y() << " with "
<< testSize.textureSize.z() << " layer(s)" << TestLog::EndMessage;
m_context.getTestContext().getLog() << TestLog::Message << "Lod: " << testSize.lod
<< ", base level: " << testSize.lodBase << TestLog::EndMessage;
m_context.getTestContext().getLog()
<< TestLog::Message << "Expecting: " << testSize.expectedSize.x() << "x" << testSize.expectedSize.y()
<< " and " << testSize.textureSize.z() << " layer(s)" << TestLog::EndMessage;
gl.uniform3iv(sizeLoc, 1, expectedSize.m_data);
gl.uniform1iv(lodLoc, 1, &testSize.lod);
gl.texStorage3D(textureTarget, levels, m_textureSpec.format, testSize.textureSize.x(),
testSize.textureSize.y(), testSize.textureSize.z());
break;
}
default:
{
DE_ASSERT(false);
break;
}
}
errorValue = gl.getError();
if (errorValue == GL_OUT_OF_MEMORY)
{
throw glu::OutOfMemoryError("Failed to allocate texture, got GL_OUT_OF_MEMORY.", "TexStorageXD", __FILE__,
__LINE__);
}
else if (errorValue != GL_NO_ERROR)
{
// error is a failure too
m_context.getTestContext().getLog() << tcu::TestLog::Message << "Failed, got "
<< glu::getErrorStr(errorValue) << "." << tcu::TestLog::EndMessage;
success = false;
}
else
{
// test
const float colorTolerance = 0.1f;
tcu::TextureLevel sample(tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8), 1,
1);
tcu::Vec4 outputColor;
gl.clear(GL_COLOR_BUFFER_BIT);
gl.drawArrays(GL_TRIANGLES, 0, 3);
gl.finish();
glu::readPixels(m_context.getRenderContext(), 0, 0, sample.getAccess());
outputColor = sample.getAccess().getPixel(0, 0);
if (outputColor.x() >= 1.0f - colorTolerance && outputColor.y() >= 1.0f - colorTolerance &&
outputColor.z() >= 1.0f - colorTolerance)
{
// success
m_context.getTestContext().getLog() << TestLog::Message << "Passed" << TestLog::EndMessage;
}
else
{
// failure
m_context.getTestContext().getLog() << TestLog::Message << "Failed" << TestLog::EndMessage;
success = false;
}
}
// empty line to format log nicely
m_context.getTestContext().getLog() << TestLog::Message << TestLog::EndMessage;
// free
gl.bindTexture(textureTarget, 0);
gl.deleteTextures(1, &texId);
}
gl.useProgram(0);
return success;
}
std::string TextureSizeCase::genVertexShader() const
{
std::ostringstream vert;
vert << "#version 300 es\n"
<< "in highp vec4 a_position;\n";
if (m_isVertexCase)
{
vert << "out mediump vec4 v_color;\n";
vert << "uniform highp " << m_samplerTypeStr << " u_sampler;\n";
vert << "uniform highp ivec" << (m_has3DSize ? 3 : 2) << " u_texSize;\n";
vert << "uniform highp int u_lod;\n";
}
vert << "void main()\n{\n";
if (m_isVertexCase)
vert << " v_color = (textureSize(u_sampler, u_lod) == u_texSize ? vec4(1.0, 1.0, 1.0, 1.0) : vec4(0.0, 0.0, "
"0.0, 1.0));\n";
vert << " gl_Position = a_position;\n"
<< "}\n";
return vert.str();
}
std::string TextureSizeCase::genFragmentShader() const
{
std::ostringstream frag;
frag << "#version 300 es\n"
<< "layout(location = 0) out mediump vec4 o_color;\n";
if (m_isVertexCase)
frag << "in mediump vec4 v_color;\n";
if (!m_isVertexCase)
{
frag << "uniform highp " << m_samplerTypeStr << " u_sampler;\n";
frag << "uniform highp ivec" << (m_has3DSize ? 3 : 2) << " u_texSize;\n";
frag << "uniform highp int u_lod;\n";
}
frag << "void main()\n{\n";
if (!m_isVertexCase)
frag << " o_color = (textureSize(u_sampler, u_lod) == u_texSize ? vec4(1.0, 1.0, 1.0, 1.0) : vec4(0.0, 0.0, "
"0.0, 1.0));\n";
else
frag << " o_color = v_color;\n";
frag << "}\n";
return frag.str();
}
glw::GLenum TextureSizeCase::getGLTextureTarget() const
{
switch (m_textureSpec.type)
{
case TEXTURETYPE_2D:
return GL_TEXTURE_2D;
case TEXTURETYPE_CUBE_MAP:
return GL_TEXTURE_CUBE_MAP;
case TEXTURETYPE_2D_ARRAY:
return GL_TEXTURE_2D_ARRAY;
case TEXTURETYPE_3D:
return GL_TEXTURE_3D;
default:
DE_ASSERT(false);
}
return 0;
}
ShaderTextureFunctionTests::ShaderTextureFunctionTests(Context &context)
: TestCaseGroup(context, "texture_functions", "Texture Access Function Tests")
{
}
ShaderTextureFunctionTests::~ShaderTextureFunctionTests(void)
{
}
enum CaseFlags
{
VERTEX = (1 << 0),
FRAGMENT = (1 << 1),
BOTH = VERTEX | FRAGMENT
};
struct TexFuncCaseSpec
{
const char *name;
TextureLookupSpec lookupSpec;
TextureSpec texSpec;
TexEvalFunc evalFunc;
uint32_t flags;
};
#define CASE_SPEC(NAME, FUNC, MINCOORD, MAXCOORD, USEBIAS, MINLOD, MAXLOD, USEOFFSET, OFFSET, TEXSPEC, EVALFUNC, \
FLAGS) \
{ \
#NAME, \
TextureLookupSpec(FUNC, MINCOORD, MAXCOORD, USEBIAS, MINLOD, MAXLOD, tcu::Vec3(0.0f), tcu::Vec3(0.0f), \
tcu::Vec3(0.0f), tcu::Vec3(0.0f), USEOFFSET, OFFSET), \
TEXSPEC, EVALFUNC, FLAGS \
}
#define GRAD_CASE_SPEC(NAME, FUNC, MINCOORD, MAXCOORD, MINDX, MAXDX, MINDY, MAXDY, USEOFFSET, OFFSET, TEXSPEC, \
EVALFUNC, FLAGS) \
{ \
#NAME, \
TextureLookupSpec(FUNC, MINCOORD, MAXCOORD, false, 0.0f, 0.0f, MINDX, MAXDX, MINDY, MAXDY, USEOFFSET, \
OFFSET), \
TEXSPEC, EVALFUNC, FLAGS \
}
static void createCaseGroup(TestCaseGroup *parent, const char *groupName, const char *groupDesc,
const TexFuncCaseSpec *cases, int numCases)
{
tcu::TestCaseGroup *group = new tcu::TestCaseGroup(parent->getTestContext(), groupName, groupDesc);
parent->addChild(group);
for (int ndx = 0; ndx < numCases; ndx++)
{
std::string name = cases[ndx].name;
if (cases[ndx].flags & VERTEX)
group->addChild(new ShaderTextureFunctionCase(parent->getContext(), (name + "_vertex").c_str(), "",
cases[ndx].lookupSpec, cases[ndx].texSpec,
cases[ndx].evalFunc, true));
if (cases[ndx].flags & FRAGMENT)
group->addChild(new ShaderTextureFunctionCase(parent->getContext(), (name + "_fragment").c_str(), "",
cases[ndx].lookupSpec, cases[ndx].texSpec,
cases[ndx].evalFunc, false));
}
}
void ShaderTextureFunctionTests::init(void)
{
// Samplers
static const tcu::Sampler samplerNearestNoMipmap(
tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::NEAREST,
tcu::Sampler::NEAREST, 0.0f /* LOD threshold */, true /* normalized coords */, tcu::Sampler::COMPAREMODE_NONE,
0 /* cmp channel */, tcu::Vec4(0.0f) /* border color */, true /* seamless cube map */);
static const tcu::Sampler samplerLinearNoMipmap(
tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::LINEAR,
tcu::Sampler::LINEAR, 0.0f /* LOD threshold */, true /* normalized coords */, tcu::Sampler::COMPAREMODE_NONE,
0 /* cmp channel */, tcu::Vec4(0.0f) /* border color */, true /* seamless cube map */);
static const tcu::Sampler samplerNearestMipmap(
tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::NEAREST_MIPMAP_NEAREST,
tcu::Sampler::NEAREST, 0.0f /* LOD threshold */, true /* normalized coords */, tcu::Sampler::COMPAREMODE_NONE,
0 /* cmp channel */, tcu::Vec4(0.0f) /* border color */, true /* seamless cube map */);
static const tcu::Sampler samplerLinearMipmap(
tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::LINEAR_MIPMAP_NEAREST,
tcu::Sampler::LINEAR, 0.0f /* LOD threshold */, true /* normalized coords */, tcu::Sampler::COMPAREMODE_NONE,
0 /* cmp channel */, tcu::Vec4(0.0f) /* border color */, true /* seamless cube map */);
static const tcu::Sampler samplerShadowNoMipmap(
tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::NEAREST,
tcu::Sampler::NEAREST, 0.0f /* LOD threshold */, true /* normalized coords */, tcu::Sampler::COMPAREMODE_LESS,
0 /* cmp channel */, tcu::Vec4(0.0f) /* border color */, true /* seamless cube map */);
static const tcu::Sampler samplerShadowMipmap(
tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::NEAREST_MIPMAP_NEAREST,
tcu::Sampler::NEAREST, 0.0f /* LOD threshold */, true /* normalized coords */, tcu::Sampler::COMPAREMODE_LESS,
0 /* cmp channel */, tcu::Vec4(0.0f) /* border color */, true /* seamless cube map */);
static const tcu::Sampler samplerTexelFetch(
tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::REPEAT_GL, tcu::Sampler::NEAREST_MIPMAP_NEAREST,
tcu::Sampler::NEAREST, 0.0f /* LOD threshold */, false /* non-normalized coords */,
tcu::Sampler::COMPAREMODE_NONE, 0 /* cmp channel */, tcu::Vec4(0.0f) /* border color */,
true /* seamless cube map */);
// Default textures.
// Type Format W H D L Sampler
static const TextureSpec tex2DFixed(TEXTURETYPE_2D, GL_RGBA8, 256, 256, 1, 1, samplerLinearNoMipmap);
static const TextureSpec tex2DFloat(TEXTURETYPE_2D, GL_RGBA16F, 256, 256, 1, 1, samplerLinearNoMipmap);
static const TextureSpec tex2DInt(TEXTURETYPE_2D, GL_RGBA8I, 256, 256, 1, 1, samplerNearestNoMipmap);
static const TextureSpec tex2DUint(TEXTURETYPE_2D, GL_RGBA8UI, 256, 256, 1, 1, samplerNearestNoMipmap);
static const TextureSpec tex2DMipmapFixed(TEXTURETYPE_2D, GL_RGBA8, 256, 256, 1, 9, samplerLinearMipmap);
static const TextureSpec tex2DMipmapFloat(TEXTURETYPE_2D, GL_RGBA16F, 256, 256, 1, 9, samplerLinearMipmap);
static const TextureSpec tex2DMipmapInt(TEXTURETYPE_2D, GL_RGBA8I, 256, 256, 1, 9, samplerNearestMipmap);
static const TextureSpec tex2DMipmapUint(TEXTURETYPE_2D, GL_RGBA8UI, 256, 256, 1, 9, samplerNearestMipmap);
static const TextureSpec tex2DShadow(TEXTURETYPE_2D, GL_DEPTH_COMPONENT16, 256, 256, 1, 9, samplerShadowNoMipmap);
static const TextureSpec tex2DMipmapShadow(TEXTURETYPE_2D, GL_DEPTH_COMPONENT16, 256, 256, 1, 9,
samplerShadowMipmap);
static const TextureSpec tex2DTexelFetchFixed(TEXTURETYPE_2D, GL_RGBA8, 256, 256, 1, 9, samplerTexelFetch);
static const TextureSpec tex2DTexelFetchFloat(TEXTURETYPE_2D, GL_RGBA16F, 256, 256, 1, 9, samplerTexelFetch);
static const TextureSpec tex2DTexelFetchInt(TEXTURETYPE_2D, GL_RGBA8I, 256, 256, 1, 9, samplerTexelFetch);
static const TextureSpec tex2DTexelFetchUint(TEXTURETYPE_2D, GL_RGBA8UI, 256, 256, 1, 9, samplerTexelFetch);
static const TextureSpec texCubeFixed(TEXTURETYPE_CUBE_MAP, GL_RGBA8, 256, 256, 1, 1, samplerLinearNoMipmap);
static const TextureSpec texCubeFloat(TEXTURETYPE_CUBE_MAP, GL_RGBA16F, 256, 256, 1, 1, samplerLinearNoMipmap);
static const TextureSpec texCubeInt(TEXTURETYPE_CUBE_MAP, GL_RGBA8I, 256, 256, 1, 1, samplerNearestNoMipmap);
static const TextureSpec texCubeUint(TEXTURETYPE_CUBE_MAP, GL_RGBA8UI, 256, 256, 1, 1, samplerNearestNoMipmap);
static const TextureSpec texCubeMipmapFixed(TEXTURETYPE_CUBE_MAP, GL_RGBA8, 256, 256, 1, 9, samplerLinearMipmap);
static const TextureSpec texCubeMipmapFloat(TEXTURETYPE_CUBE_MAP, GL_RGBA16F, 128, 128, 1, 8, samplerLinearMipmap);
static const TextureSpec texCubeMipmapInt(TEXTURETYPE_CUBE_MAP, GL_RGBA8I, 256, 256, 1, 9, samplerNearestMipmap);
static const TextureSpec texCubeMipmapUint(TEXTURETYPE_CUBE_MAP, GL_RGBA8UI, 256, 256, 1, 9, samplerNearestMipmap);
static const TextureSpec texCubeShadow(TEXTURETYPE_CUBE_MAP, GL_DEPTH_COMPONENT16, 256, 256, 1, 1,
samplerShadowNoMipmap);
static const TextureSpec texCubeMipmapShadow(TEXTURETYPE_CUBE_MAP, GL_DEPTH_COMPONENT16, 256, 256, 1, 9,
samplerShadowMipmap);
static const TextureSpec tex2DArrayFixed(TEXTURETYPE_2D_ARRAY, GL_RGBA8, 128, 128, 4, 1, samplerLinearNoMipmap);
static const TextureSpec tex2DArrayFloat(TEXTURETYPE_2D_ARRAY, GL_RGBA16F, 128, 128, 4, 1, samplerLinearNoMipmap);
static const TextureSpec tex2DArrayInt(TEXTURETYPE_2D_ARRAY, GL_RGBA8I, 128, 128, 4, 1, samplerNearestNoMipmap);
static const TextureSpec tex2DArrayUint(TEXTURETYPE_2D_ARRAY, GL_RGBA8UI, 128, 128, 4, 1, samplerNearestNoMipmap);
static const TextureSpec tex2DArrayMipmapFixed(TEXTURETYPE_2D_ARRAY, GL_RGBA8, 128, 128, 4, 8, samplerLinearMipmap);
static const TextureSpec tex2DArrayMipmapFloat(TEXTURETYPE_2D_ARRAY, GL_RGBA16F, 128, 128, 4, 8,
samplerLinearMipmap);
static const TextureSpec tex2DArrayMipmapInt(TEXTURETYPE_2D_ARRAY, GL_RGBA8I, 128, 128, 4, 8, samplerNearestMipmap);
static const TextureSpec tex2DArrayMipmapUint(TEXTURETYPE_2D_ARRAY, GL_RGBA8UI, 128, 128, 4, 8,
samplerNearestMipmap);
static const TextureSpec tex2DArrayShadow(TEXTURETYPE_2D_ARRAY, GL_DEPTH_COMPONENT16, 128, 128, 4, 1,
samplerShadowNoMipmap);
static const TextureSpec tex2DArrayMipmapShadow(TEXTURETYPE_2D_ARRAY, GL_DEPTH_COMPONENT16, 128, 128, 4, 8,
samplerShadowMipmap);
static const TextureSpec tex2DArrayTexelFetchFixed(TEXTURETYPE_2D_ARRAY, GL_RGBA8, 128, 128, 4, 8,
samplerTexelFetch);
static const TextureSpec tex2DArrayTexelFetchFloat(TEXTURETYPE_2D_ARRAY, GL_RGBA16F, 128, 128, 4, 8,
samplerTexelFetch);
static const TextureSpec tex2DArrayTexelFetchInt(TEXTURETYPE_2D_ARRAY, GL_RGBA8I, 128, 128, 4, 8,
samplerTexelFetch);
static const TextureSpec tex2DArrayTexelFetchUint(TEXTURETYPE_2D_ARRAY, GL_RGBA8UI, 128, 128, 4, 8,
samplerTexelFetch);
static const TextureSpec tex3DFixed(TEXTURETYPE_3D, GL_RGBA8, 64, 32, 32, 1, samplerLinearNoMipmap);
static const TextureSpec tex3DFloat(TEXTURETYPE_3D, GL_RGBA16F, 64, 32, 32, 1, samplerLinearNoMipmap);
static const TextureSpec tex3DInt(TEXTURETYPE_3D, GL_RGBA8I, 64, 32, 32, 1, samplerNearestNoMipmap);
static const TextureSpec tex3DUint(TEXTURETYPE_3D, GL_RGBA8UI, 64, 32, 32, 1, samplerNearestNoMipmap);
static const TextureSpec tex3DMipmapFixed(TEXTURETYPE_3D, GL_RGBA8, 64, 32, 32, 7, samplerLinearMipmap);
static const TextureSpec tex3DMipmapFloat(TEXTURETYPE_3D, GL_RGBA16F, 64, 32, 32, 7, samplerLinearMipmap);
static const TextureSpec tex3DMipmapInt(TEXTURETYPE_3D, GL_RGBA8I, 64, 32, 32, 7, samplerNearestMipmap);
static const TextureSpec tex3DMipmapUint(TEXTURETYPE_3D, GL_RGBA8UI, 64, 32, 32, 7, samplerNearestMipmap);
static const TextureSpec tex3DTexelFetchFixed(TEXTURETYPE_3D, GL_RGBA8, 64, 32, 32, 7, samplerTexelFetch);
static const TextureSpec tex3DTexelFetchFloat(TEXTURETYPE_3D, GL_RGBA16F, 64, 32, 32, 7, samplerTexelFetch);
static const TextureSpec tex3DTexelFetchInt(TEXTURETYPE_3D, GL_RGBA8I, 64, 32, 32, 7, samplerTexelFetch);
static const TextureSpec tex3DTexelFetchUint(TEXTURETYPE_3D, GL_RGBA8UI, 64, 32, 32, 7, samplerTexelFetch);
// texture() cases
static const TexFuncCaseSpec textureCases[] = {
// Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
CASE_SPEC(sampler2d_fixed, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DFixed, evalTexture2D, VERTEX),
CASE_SPEC(sampler2d_fixed, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapFixed, evalTexture2D, FRAGMENT),
CASE_SPEC(sampler2d_float, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DFloat, evalTexture2D, VERTEX),
CASE_SPEC(sampler2d_float, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapFloat, evalTexture2D, FRAGMENT),
CASE_SPEC(isampler2d, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f), false,
0.0f, 0.0f, false, IVec3(0), tex2DInt, evalTexture2D, VERTEX),
CASE_SPEC(isampler2d, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f), false,
0.0f, 0.0f, false, IVec3(0), tex2DMipmapInt, evalTexture2D, FRAGMENT),
CASE_SPEC(usampler2d, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f), false,
0.0f, 0.0f, false, IVec3(0), tex2DUint, evalTexture2D, VERTEX),
CASE_SPEC(usampler2d, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f), false,
0.0f, 0.0f, false, IVec3(0), tex2DMipmapUint, evalTexture2D, FRAGMENT),
CASE_SPEC(sampler2d_bias_fixed, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapFixed, evalTexture2DBias, FRAGMENT),
CASE_SPEC(sampler2d_bias_float, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapFloat, evalTexture2DBias, FRAGMENT),
CASE_SPEC(isampler2d_bias, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f), true,
-2.0f, 2.0f, false, IVec3(0), tex2DMipmapInt, evalTexture2DBias, FRAGMENT),
CASE_SPEC(usampler2d_bias, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f), true,
-2.0f, 2.0f, false, IVec3(0), tex2DMipmapUint, evalTexture2DBias, FRAGMENT),
CASE_SPEC(samplercube_fixed, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4(1.0f, 1.0f, 1.01f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), texCubeFixed, evalTextureCube, VERTEX),
CASE_SPEC(samplercube_fixed, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4(1.0f, 1.0f, 1.01f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), texCubeMipmapFixed, evalTextureCube, FRAGMENT),
CASE_SPEC(samplercube_float, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, -1.01f, 0.0f), Vec4(1.0f, 1.0f, -1.01f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), texCubeFloat, evalTextureCube, VERTEX),
CASE_SPEC(samplercube_float, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, -1.01f, 0.0f), Vec4(1.0f, 1.0f, -1.01f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), texCubeMipmapFloat, evalTextureCube, FRAGMENT),
CASE_SPEC(isamplercube, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4(1.0f, 1.0f, 1.01f, 0.0f), false,
0.0f, 0.0f, false, IVec3(0), texCubeInt, evalTextureCube, VERTEX),
CASE_SPEC(isamplercube, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4(1.0f, 1.0f, 1.01f, 0.0f), false,
0.0f, 0.0f, false, IVec3(0), texCubeMipmapInt, evalTextureCube, FRAGMENT),
CASE_SPEC(usamplercube, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, -1.01f, 0.0f), Vec4(1.0f, 1.0f, -1.01f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), texCubeUint, evalTextureCube, VERTEX),
CASE_SPEC(usamplercube, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, -1.01f, 0.0f), Vec4(1.0f, 1.0f, -1.01f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), texCubeMipmapUint, evalTextureCube, FRAGMENT),
CASE_SPEC(samplercube_bias_fixed, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f),
Vec4(1.0f, 1.0f, 1.01f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), texCubeMipmapFixed,
evalTextureCubeBias, FRAGMENT),
CASE_SPEC(samplercube_bias_float, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, -1.01f, 0.0f),
Vec4(1.0f, 1.0f, -1.01f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), texCubeMipmapFloat,
evalTextureCubeBias, FRAGMENT),
CASE_SPEC(isamplercube_bias, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4(1.0f, 1.0f, 1.01f, 0.0f),
true, -2.0f, 2.0f, false, IVec3(0), texCubeMipmapInt, evalTextureCubeBias, FRAGMENT),
CASE_SPEC(usamplercube_bias, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, -1.01f, 0.0f), Vec4(1.0f, 1.0f, -1.01f, 0.0f),
true, -2.0f, 2.0f, false, IVec3(0), texCubeMipmapUint, evalTextureCubeBias, FRAGMENT),
CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayFixed, evalTexture2DArray, VERTEX),
CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayMipmapFixed, evalTexture2DArray, FRAGMENT),
CASE_SPEC(sampler2darray_float, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayFloat, evalTexture2DArray, VERTEX),
CASE_SPEC(sampler2darray_float, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayMipmapFloat, evalTexture2DArray, FRAGMENT),
CASE_SPEC(isampler2darray, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayInt, evalTexture2DArray, VERTEX),
CASE_SPEC(isampler2darray, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayMipmapInt, evalTexture2DArray, FRAGMENT),
CASE_SPEC(usampler2darray, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayUint, evalTexture2DArray, VERTEX),
CASE_SPEC(usampler2darray, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayMipmapUint, evalTexture2DArray, FRAGMENT),
CASE_SPEC(sampler2darray_bias_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DArrayMipmapFixed,
evalTexture2DArrayBias, FRAGMENT),
CASE_SPEC(sampler2darray_bias_float, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DArrayMipmapFloat,
evalTexture2DArrayBias, FRAGMENT),
CASE_SPEC(isampler2darray_bias, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
true, -2.0f, 2.0f, false, IVec3(0), tex2DArrayMipmapInt, evalTexture2DArrayBias, FRAGMENT),
CASE_SPEC(usampler2darray_bias, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
true, -2.0f, 2.0f, false, IVec3(0), tex2DArrayMipmapUint, evalTexture2DArrayBias, FRAGMENT),
CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex3DFixed, evalTexture3D, VERTEX),
CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex3DMipmapFixed, evalTexture3D, FRAGMENT),
CASE_SPEC(sampler3d_float, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex3DFloat, evalTexture3D, VERTEX),
CASE_SPEC(sampler3d_float, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex3DMipmapFloat, evalTexture3D, FRAGMENT),
CASE_SPEC(isampler3d, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f), false,
0.0f, 0.0f, false, IVec3(0), tex3DInt, evalTexture3D, VERTEX),
CASE_SPEC(isampler3d, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f), false,
0.0f, 0.0f, false, IVec3(0), tex3DMipmapInt, evalTexture3D, FRAGMENT),
CASE_SPEC(usampler3d, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f), false,
0.0f, 0.0f, false, IVec3(0), tex3DUint, evalTexture3D, VERTEX),
CASE_SPEC(usampler3d, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f), false,
0.0f, 0.0f, false, IVec3(0), tex3DMipmapUint, evalTexture3D, FRAGMENT),
CASE_SPEC(sampler3d_bias_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
true, -2.0f, 1.0f, false, IVec3(0), tex3DMipmapFixed, evalTexture3DBias, FRAGMENT),
CASE_SPEC(sampler3d_bias_float, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
true, -2.0f, 1.0f, false, IVec3(0), tex3DMipmapFloat, evalTexture3DBias, FRAGMENT),
CASE_SPEC(isampler3d_bias, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f), true,
-2.0f, 2.0f, false, IVec3(0), tex3DMipmapInt, evalTexture3DBias, FRAGMENT),
CASE_SPEC(usampler3d_bias, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f), true,
-2.0f, 2.0f, false, IVec3(0), tex3DMipmapUint, evalTexture3DBias, FRAGMENT),
CASE_SPEC(sampler2dshadow, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 1.0f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DShadow, evalTexture2DShadow, VERTEX),
CASE_SPEC(sampler2dshadow, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 1.0f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapShadow, evalTexture2DShadow, FRAGMENT),
CASE_SPEC(sampler2dshadow_bias, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 1.0f, 0.0f),
true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapShadow, evalTexture2DShadowBias, FRAGMENT),
CASE_SPEC(samplercubeshadow, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4(1.0f, 1.0f, 1.01f, 1.0f),
false, 0.0f, 0.0f, false, IVec3(0), texCubeShadow, evalTextureCubeShadow, VERTEX),
CASE_SPEC(samplercubeshadow, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4(1.0f, 1.0f, 1.01f, 1.0f),
false, 0.0f, 0.0f, false, IVec3(0), texCubeMipmapShadow, evalTextureCubeShadow, FRAGMENT),
CASE_SPEC(samplercubeshadow_bias, FUNCTION_TEXTURE, Vec4(-1.0f, -1.0f, 1.01f, 0.0f),
Vec4(1.0f, 1.0f, 1.01f, 1.0f), true, -2.0f, 2.0f, false, IVec3(0), texCubeMipmapShadow,
evalTextureCubeShadowBias, FRAGMENT),
CASE_SPEC(sampler2darrayshadow, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 1.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayShadow, evalTexture2DArrayShadow, VERTEX),
CASE_SPEC(sampler2darrayshadow, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 1.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayMipmapShadow, evalTexture2DArrayShadow, FRAGMENT)
// Not in spec.
// CASE_SPEC(sampler2darrayshadow_bias, (FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4( 1.5f, 2.3f, 3.5f, 1.0f), true, -2.0f, 2.0f, Vec2(0.0f), Vec2(0.0f), false, IVec3(0)), tex2DArrayMipmapShadow, evalTexture2DArrayShadowBias, FRAGMENT)
};
createCaseGroup(this, "texture", "texture() Tests", textureCases, DE_LENGTH_OF_ARRAY(textureCases));
// textureOffset() cases
// \note _bias variants are not using mipmap thanks to wide allowed range for LOD computation
static const TexFuncCaseSpec textureOffsetCases[] = {
// Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
CASE_SPEC(sampler2d_fixed, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DFixed, evalTexture2DOffset, VERTEX),
CASE_SPEC(sampler2d_fixed, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapFixed, evalTexture2DOffset, FRAGMENT),
CASE_SPEC(sampler2d_float, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DFloat, evalTexture2DOffset, VERTEX),
CASE_SPEC(sampler2d_float, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapFloat, evalTexture2DOffset, FRAGMENT),
CASE_SPEC(isampler2d, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f), false,
0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DInt, evalTexture2DOffset, VERTEX),
CASE_SPEC(isampler2d, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f), false,
0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapInt, evalTexture2DOffset, FRAGMENT),
CASE_SPEC(usampler2d, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f), false,
0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DUint, evalTexture2DOffset, VERTEX),
CASE_SPEC(usampler2d, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f), false,
0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapUint, evalTexture2DOffset, FRAGMENT),
CASE_SPEC(sampler2d_bias_fixed, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DFixed, evalTexture2DOffsetBias, FRAGMENT),
CASE_SPEC(sampler2d_bias_float, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
true, -2.0f, 2.0f, true, IVec3(7, -8, 0), tex2DFloat, evalTexture2DOffsetBias, FRAGMENT),
CASE_SPEC(isampler2d_bias, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f), true,
-2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DInt, evalTexture2DOffsetBias, FRAGMENT),
CASE_SPEC(usampler2d_bias, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f), true,
-2.0f, 2.0f, true, IVec3(7, -8, 0), tex2DUint, evalTexture2DOffsetBias, FRAGMENT),
CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DArrayFixed, evalTexture2DArrayOffset, VERTEX),
CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DArrayMipmapFixed, evalTexture2DArrayOffset, FRAGMENT),
CASE_SPEC(sampler2darray_float, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DArrayFloat, evalTexture2DArrayOffset, VERTEX),
CASE_SPEC(sampler2darray_float, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DArrayMipmapFloat, evalTexture2DArrayOffset, FRAGMENT),
CASE_SPEC(isampler2darray, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DArrayInt, evalTexture2DArrayOffset, VERTEX),
CASE_SPEC(isampler2darray, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DArrayMipmapInt, evalTexture2DArrayOffset, FRAGMENT),
CASE_SPEC(usampler2darray, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DArrayUint, evalTexture2DArrayOffset, VERTEX),
CASE_SPEC(usampler2darray, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DArrayMipmapUint, evalTexture2DArrayOffset, FRAGMENT),
CASE_SPEC(sampler2darray_bias_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 0.0f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DArrayFixed,
evalTexture2DArrayOffsetBias, FRAGMENT),
CASE_SPEC(sampler2darray_bias_float, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 0.0f), true, -2.0f, 2.0f, true, IVec3(7, -8, 0), tex2DArrayFloat,
evalTexture2DArrayOffsetBias, FRAGMENT),
CASE_SPEC(isampler2darray_bias, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DArrayInt, evalTexture2DArrayOffsetBias, FRAGMENT),
CASE_SPEC(usampler2darray_bias, FUNCTION_TEXTURE, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
true, -2.0f, 2.0f, true, IVec3(7, -8, 0), tex2DArrayUint, evalTexture2DArrayOffsetBias, FRAGMENT),
CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(-8, 7, 3), tex3DFixed, evalTexture3DOffset, VERTEX),
CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(7, 3, -8), tex3DMipmapFixed, evalTexture3DOffset, FRAGMENT),
CASE_SPEC(sampler3d_float, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(3, -8, 7), tex3DFloat, evalTexture3DOffset, VERTEX),
CASE_SPEC(sampler3d_float, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(-8, 7, 3), tex3DMipmapFloat, evalTexture3DOffset, FRAGMENT),
CASE_SPEC(isampler3d, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f), false,
0.0f, 0.0f, true, IVec3(7, 3, -8), tex3DInt, evalTexture3DOffset, VERTEX),
CASE_SPEC(isampler3d, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f), false,
0.0f, 0.0f, true, IVec3(3, -8, 7), tex3DMipmapInt, evalTexture3DOffset, FRAGMENT),
CASE_SPEC(usampler3d, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f), false,
0.0f, 0.0f, true, IVec3(-8, 7, 3), tex3DUint, evalTexture3DOffset, VERTEX),
CASE_SPEC(usampler3d, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f), false,
0.0f, 0.0f, true, IVec3(7, 3, -8), tex3DMipmapUint, evalTexture3DOffset, FRAGMENT),
CASE_SPEC(sampler3d_bias_fixed, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
true, -2.0f, 1.0f, true, IVec3(-8, 7, 3), tex3DFixed, evalTexture3DOffsetBias, FRAGMENT),
CASE_SPEC(sampler3d_bias_float, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
true, -2.0f, 1.0f, true, IVec3(7, 3, -8), tex3DFloat, evalTexture3DOffsetBias, FRAGMENT),
CASE_SPEC(isampler3d_bias, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f), true,
-2.0f, 2.0f, true, IVec3(3, -8, 7), tex3DInt, evalTexture3DOffsetBias, FRAGMENT),
CASE_SPEC(usampler3d_bias, FUNCTION_TEXTURE, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f), true,
-2.0f, 2.0f, true, IVec3(-8, 7, 3), tex3DUint, evalTexture3DOffsetBias, FRAGMENT),
CASE_SPEC(sampler2dshadow, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 1.0f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DShadow, evalTexture2DShadowOffset, VERTEX),
CASE_SPEC(sampler2dshadow, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 1.0f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapShadow, evalTexture2DShadowOffset, FRAGMENT),
CASE_SPEC(sampler2dshadow_bias, FUNCTION_TEXTURE, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 1.0f, 0.0f),
true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DShadow, evalTexture2DShadowOffsetBias, FRAGMENT)};
createCaseGroup(this, "textureoffset", "textureOffset() Tests", textureOffsetCases,
DE_LENGTH_OF_ARRAY(textureOffsetCases));
// textureProj() cases
// \note Currently uses constant divider!
static const TexFuncCaseSpec textureProjCases[] = {
// Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
CASE_SPEC(sampler2d_vec3_fixed, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DFixed, evalTexture2DProj3,
VERTEX),
CASE_SPEC(sampler2d_vec3_fixed, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapFixed,
evalTexture2DProj3, FRAGMENT),
CASE_SPEC(sampler2d_vec3_float, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DFloat, evalTexture2DProj3,
VERTEX),
CASE_SPEC(sampler2d_vec3_float, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapFloat,
evalTexture2DProj3, FRAGMENT),
CASE_SPEC(isampler2d_vec3, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DInt, evalTexture2DProj3,
VERTEX),
CASE_SPEC(isampler2d_vec3, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapInt,
evalTexture2DProj3, FRAGMENT),
CASE_SPEC(usampler2d_vec3, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DUint, evalTexture2DProj3,
VERTEX),
CASE_SPEC(usampler2d_vec3, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapUint,
evalTexture2DProj3, FRAGMENT),
CASE_SPEC(sampler2d_vec3_bias_fixed, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapFixed,
evalTexture2DProj3Bias, FRAGMENT),
CASE_SPEC(sampler2d_vec3_bias_float, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapFloat,
evalTexture2DProj3Bias, FRAGMENT),
CASE_SPEC(isampler2d_vec3_bias, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapInt,
evalTexture2DProj3Bias, FRAGMENT),
CASE_SPEC(usampler2d_vec3_bias, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapUint,
evalTexture2DProj3Bias, FRAGMENT),
CASE_SPEC(sampler2d_vec4_fixed, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, false, IVec3(0), tex2DFixed, evalTexture2DProj,
VERTEX),
CASE_SPEC(sampler2d_vec4_fixed, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapFixed,
evalTexture2DProj, FRAGMENT),
CASE_SPEC(sampler2d_vec4_float, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, false, IVec3(0), tex2DFloat, evalTexture2DProj,
VERTEX),
CASE_SPEC(sampler2d_vec4_float, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapFloat,
evalTexture2DProj, FRAGMENT),
CASE_SPEC(isampler2d_vec4, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DInt, evalTexture2DProj, VERTEX),
CASE_SPEC(isampler2d_vec4, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapInt, evalTexture2DProj, FRAGMENT),
CASE_SPEC(usampler2d_vec4, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DUint, evalTexture2DProj, VERTEX),
CASE_SPEC(usampler2d_vec4, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapUint, evalTexture2DProj, FRAGMENT),
CASE_SPEC(sampler2d_vec4_bias_fixed, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapFixed,
evalTexture2DProjBias, FRAGMENT),
CASE_SPEC(sampler2d_vec4_bias_float, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapFloat,
evalTexture2DProjBias, FRAGMENT),
CASE_SPEC(isampler2d_vec4_bias, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapInt,
evalTexture2DProjBias, FRAGMENT),
CASE_SPEC(usampler2d_vec4_bias, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapUint,
evalTexture2DProjBias, FRAGMENT),
CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, false, IVec3(0), tex3DFixed, evalTexture3DProj,
VERTEX),
CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, false, IVec3(0), tex3DMipmapFixed,
evalTexture3DProj, FRAGMENT),
CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, false, IVec3(0), tex3DFloat, evalTexture3DProj,
VERTEX),
CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, false, IVec3(0), tex3DMipmapFloat,
evalTexture3DProj, FRAGMENT),
CASE_SPEC(isampler3d, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, false, IVec3(0), tex3DInt, evalTexture3DProj,
VERTEX),
CASE_SPEC(isampler3d, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, false, IVec3(0), tex3DMipmapInt,
evalTexture3DProj, FRAGMENT),
CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, false, IVec3(0), tex3DUint, evalTexture3DProj,
VERTEX),
CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, false, IVec3(0), tex3DMipmapUint,
evalTexture3DProj, FRAGMENT),
CASE_SPEC(sampler3d_bias_fixed, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), true, -2.0f, 1.0f, false, IVec3(0), tex3DMipmapFixed,
evalTexture3DProjBias, FRAGMENT),
CASE_SPEC(sampler3d_bias_float, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), true, -2.0f, 1.0f, false, IVec3(0), tex3DMipmapFloat,
evalTexture3DProjBias, FRAGMENT),
CASE_SPEC(isampler3d_bias, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), true, -2.0f, 2.0f, false, IVec3(0), tex3DMipmapInt,
evalTexture3DProjBias, FRAGMENT),
CASE_SPEC(usampler3d_bias, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), true, -2.0f, 2.0f, false, IVec3(0), tex3DMipmapUint,
evalTexture3DProjBias, FRAGMENT),
CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJ, Vec4(0.2f, 0.6f, 0.0f, 1.5f), Vec4(-2.25f, -3.45f, 1.5f, 1.5f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DShadow, evalTexture2DShadowProj, VERTEX),
CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJ, Vec4(0.2f, 0.6f, 0.0f, 1.5f), Vec4(-2.25f, -3.45f, 1.5f, 1.5f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DMipmapShadow, evalTexture2DShadowProj, FRAGMENT),
CASE_SPEC(sampler2dshadow_bias, FUNCTION_TEXTUREPROJ, Vec4(0.2f, 0.6f, 0.0f, 1.5f),
Vec4(-2.25f, -3.45f, 1.5f, 1.5f), true, -2.0f, 2.0f, false, IVec3(0), tex2DMipmapShadow,
evalTexture2DShadowProjBias, FRAGMENT)};
createCaseGroup(this, "textureproj", "textureProj() Tests", textureProjCases, DE_LENGTH_OF_ARRAY(textureProjCases));
// textureProjOffset() cases
// \note Currently uses constant divider!
static const TexFuncCaseSpec textureProjOffsetCases[] = {
// Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
CASE_SPEC(sampler2d_vec3_fixed, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DFixed,
evalTexture2DProj3Offset, VERTEX),
CASE_SPEC(sampler2d_vec3_fixed, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapFixed,
evalTexture2DProj3Offset, FRAGMENT),
CASE_SPEC(sampler2d_vec3_float, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DFloat,
evalTexture2DProj3Offset, VERTEX),
CASE_SPEC(sampler2d_vec3_float, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapFloat,
evalTexture2DProj3Offset, FRAGMENT),
CASE_SPEC(isampler2d_vec3, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DInt,
evalTexture2DProj3Offset, VERTEX),
CASE_SPEC(isampler2d_vec3, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapInt,
evalTexture2DProj3Offset, FRAGMENT),
CASE_SPEC(usampler2d_vec3, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DUint,
evalTexture2DProj3Offset, VERTEX),
CASE_SPEC(usampler2d_vec3, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapUint,
evalTexture2DProj3Offset, FRAGMENT),
CASE_SPEC(sampler2d_vec3_bias_fixed, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DFixed,
evalTexture2DProj3OffsetBias, FRAGMENT),
CASE_SPEC(sampler2d_vec3_bias_float, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), true, -2.0f, 2.0f, true, IVec3(7, -8, 0), tex2DFloat,
evalTexture2DProj3OffsetBias, FRAGMENT),
CASE_SPEC(isampler2d_vec3_bias, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DInt,
evalTexture2DProj3OffsetBias, FRAGMENT),
CASE_SPEC(usampler2d_vec3_bias, FUNCTION_TEXTUREPROJ3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), true, -2.0f, 2.0f, true, IVec3(7, -8, 0), tex2DUint,
evalTexture2DProj3OffsetBias, FRAGMENT),
CASE_SPEC(sampler2d_vec4_fixed, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DFixed,
evalTexture2DProjOffset, VERTEX),
CASE_SPEC(sampler2d_vec4_fixed, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapFixed,
evalTexture2DProjOffset, FRAGMENT),
CASE_SPEC(sampler2d_vec4_float, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DFloat,
evalTexture2DProjOffset, VERTEX),
CASE_SPEC(sampler2d_vec4_float, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapFloat,
evalTexture2DProjOffset, FRAGMENT),
CASE_SPEC(isampler2d_vec4, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f),
false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DInt, evalTexture2DProjOffset, VERTEX),
CASE_SPEC(isampler2d_vec4, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f),
false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapInt, evalTexture2DProjOffset, FRAGMENT),
CASE_SPEC(usampler2d_vec4, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f),
false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DUint, evalTexture2DProjOffset, VERTEX),
CASE_SPEC(usampler2d_vec4, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f), Vec4(2.25f, 3.45f, 0.0f, 1.5f),
false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapUint, evalTexture2DProjOffset, FRAGMENT),
CASE_SPEC(sampler2d_vec4_bias_fixed, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DFixed,
evalTexture2DProjOffsetBias, FRAGMENT),
CASE_SPEC(sampler2d_vec4_bias_float, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), true, -2.0f, 2.0f, true, IVec3(7, -8, 0), tex2DFloat,
evalTexture2DProjOffsetBias, FRAGMENT),
CASE_SPEC(isampler2d_vec4_bias, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DInt,
evalTexture2DProjOffsetBias, FRAGMENT),
CASE_SPEC(usampler2d_vec4_bias, FUNCTION_TEXTUREPROJ, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), true, -2.0f, 2.0f, true, IVec3(7, -8, 0), tex2DUint,
evalTexture2DProjOffsetBias, FRAGMENT),
CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 3), tex3DFixed,
evalTexture3DProjOffset, VERTEX),
CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, true, IVec3(7, 3, -8), tex3DMipmapFixed,
evalTexture3DProjOffset, FRAGMENT),
CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, true, IVec3(3, -8, 7), tex3DFloat,
evalTexture3DProjOffset, VERTEX),
CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 3), tex3DMipmapFloat,
evalTexture3DProjOffset, FRAGMENT),
CASE_SPEC(isampler3d, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, true, IVec3(7, 3, -8), tex3DInt,
evalTexture3DProjOffset, VERTEX),
CASE_SPEC(isampler3d, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, true, IVec3(3, -8, 7), tex3DMipmapInt,
evalTexture3DProjOffset, FRAGMENT),
CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 3), tex3DUint,
evalTexture3DProjOffset, VERTEX),
CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, 0.0f, 0.0f, true, IVec3(7, 3, -8), tex3DMipmapUint,
evalTexture3DProjOffset, FRAGMENT),
CASE_SPEC(sampler3d_bias_fixed, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 3), tex3DFixed,
evalTexture3DProjOffsetBias, FRAGMENT),
CASE_SPEC(sampler3d_bias_float, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), true, -2.0f, 2.0f, true, IVec3(7, 3, -8), tex3DFloat,
evalTexture3DProjOffsetBias, FRAGMENT),
CASE_SPEC(isampler3d_bias, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), true, -2.0f, 2.0f, true, IVec3(3, -8, 7), tex3DInt,
evalTexture3DProjOffsetBias, FRAGMENT),
CASE_SPEC(usampler3d_bias, FUNCTION_TEXTUREPROJ, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 3), tex3DUint,
evalTexture3DProjOffsetBias, FRAGMENT),
CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJ, Vec4(0.2f, 0.6f, 0.0f, 1.5f), Vec4(-2.25f, -3.45f, 1.5f, 1.5f),
false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DShadow, evalTexture2DShadowProjOffset, VERTEX),
CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJ, Vec4(0.2f, 0.6f, 0.0f, 1.5f), Vec4(-2.25f, -3.45f, 1.5f, 1.5f),
false, 0.0f, 0.0f, true, IVec3(7, -8, 0), tex2DMipmapShadow, evalTexture2DShadowProjOffset, FRAGMENT),
CASE_SPEC(sampler2dshadow_bias, FUNCTION_TEXTUREPROJ, Vec4(0.2f, 0.6f, 0.0f, 1.5f),
Vec4(-2.25f, -3.45f, 1.5f, 1.5f), true, -2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DShadow,
evalTexture2DShadowProjOffsetBias, FRAGMENT)};
createCaseGroup(this, "textureprojoffset", "textureOffsetProj() Tests", textureProjOffsetCases,
DE_LENGTH_OF_ARRAY(textureProjOffsetCases));
// textureLod() cases
static const TexFuncCaseSpec textureLodCases[] = {
// Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
CASE_SPEC(sampler2d_fixed, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapFixed, evalTexture2DLod, BOTH),
CASE_SPEC(sampler2d_float, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapFloat, evalTexture2DLod, BOTH),
CASE_SPEC(isampler2d, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f), false,
-1.0f, 9.0f, false, IVec3(0), tex2DMipmapInt, evalTexture2DLod, BOTH),
CASE_SPEC(usampler2d, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f), false,
-1.0f, 9.0f, false, IVec3(0), tex2DMipmapUint, evalTexture2DLod, BOTH),
CASE_SPEC(samplercube_fixed, FUNCTION_TEXTURELOD, Vec4(-1.0f, -1.0f, 1.01f, 0.0f),
Vec4(1.0f, 1.0f, 1.01f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), texCubeMipmapFixed,
evalTextureCubeLod, BOTH),
CASE_SPEC(samplercube_float, FUNCTION_TEXTURELOD, Vec4(-1.0f, -1.0f, -1.01f, 0.0f),
Vec4(1.0f, 1.0f, -1.01f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), texCubeMipmapFloat,
evalTextureCubeLod, BOTH),
CASE_SPEC(isamplercube, FUNCTION_TEXTURELOD, Vec4(-1.0f, -1.0f, 1.01f, 0.0f), Vec4(1.0f, 1.0f, 1.01f, 0.0f),
false, -1.0f, 9.0f, false, IVec3(0), texCubeMipmapInt, evalTextureCubeLod, BOTH),
CASE_SPEC(usamplercube, FUNCTION_TEXTURELOD, Vec4(-1.0f, -1.0f, -1.01f, 0.0f), Vec4(1.0f, 1.0f, -1.01f, 0.0f),
false, -1.0f, 9.0f, false, IVec3(0), texCubeMipmapUint, evalTextureCubeLod, BOTH),
CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXTURELOD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 0.0f), false, -1.0f, 8.0f, false, IVec3(0), tex2DArrayMipmapFixed,
evalTexture2DArrayLod, BOTH),
CASE_SPEC(sampler2darray_float, FUNCTION_TEXTURELOD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 0.0f), false, -1.0f, 8.0f, false, IVec3(0), tex2DArrayMipmapFloat,
evalTexture2DArrayLod, BOTH),
CASE_SPEC(isampler2darray, FUNCTION_TEXTURELOD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, -1.0f, 8.0f, false, IVec3(0), tex2DArrayMipmapInt, evalTexture2DArrayLod, BOTH),
CASE_SPEC(usampler2darray, FUNCTION_TEXTURELOD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, -1.0f, 8.0f, false, IVec3(0), tex2DArrayMipmapUint, evalTexture2DArrayLod, BOTH),
CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTURELOD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
false, -1.0f, 7.0f, false, IVec3(0), tex3DMipmapFixed, evalTexture3DLod, BOTH),
CASE_SPEC(sampler3d_float, FUNCTION_TEXTURELOD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
false, -1.0f, 7.0f, false, IVec3(0), tex3DMipmapFloat, evalTexture3DLod, BOTH),
CASE_SPEC(isampler3d, FUNCTION_TEXTURELOD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f), false,
-1.0f, 7.0f, false, IVec3(0), tex3DMipmapInt, evalTexture3DLod, BOTH),
CASE_SPEC(usampler3d, FUNCTION_TEXTURELOD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f), false,
-1.0f, 7.0f, false, IVec3(0), tex3DMipmapUint, evalTexture3DLod, BOTH),
CASE_SPEC(sampler2dshadow, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 1.0f, 0.0f),
false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapShadow, evalTexture2DShadowLod, BOTH)};
createCaseGroup(this, "texturelod", "textureLod() Tests", textureLodCases, DE_LENGTH_OF_ARRAY(textureLodCases));
// textureLodOffset() cases
static const TexFuncCaseSpec textureLodOffsetCases[] = {
// Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
CASE_SPEC(sampler2d_fixed, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
false, -1.0f, 9.0f, true, IVec3(-8, 7, 0), tex2DMipmapFixed, evalTexture2DLodOffset, BOTH),
CASE_SPEC(sampler2d_float, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
false, -1.0f, 9.0f, true, IVec3(7, -8, 0), tex2DMipmapFloat, evalTexture2DLodOffset, BOTH),
CASE_SPEC(isampler2d, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f), false,
-1.0f, 9.0f, true, IVec3(-8, 7, 0), tex2DMipmapInt, evalTexture2DLodOffset, BOTH),
CASE_SPEC(usampler2d, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f), false,
-1.0f, 9.0f, true, IVec3(7, -8, 0), tex2DMipmapUint, evalTexture2DLodOffset, BOTH),
CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXTURELOD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 0.0f), false, -1.0f, 8.0f, true, IVec3(-8, 7, 0), tex2DArrayMipmapFixed,
evalTexture2DArrayLodOffset, BOTH),
CASE_SPEC(sampler2darray_float, FUNCTION_TEXTURELOD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 0.0f), false, -1.0f, 8.0f, true, IVec3(7, -8, 0), tex2DArrayMipmapFloat,
evalTexture2DArrayLodOffset, BOTH),
CASE_SPEC(isampler2darray, FUNCTION_TEXTURELOD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, -1.0f, 8.0f, true, IVec3(-8, 7, 0), tex2DArrayMipmapInt, evalTexture2DArrayLodOffset, BOTH),
CASE_SPEC(usampler2darray, FUNCTION_TEXTURELOD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f), Vec4(1.5f, 2.3f, 3.5f, 0.0f),
false, -1.0f, 8.0f, true, IVec3(7, -8, 0), tex2DArrayMipmapUint, evalTexture2DArrayLodOffset, BOTH),
CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTURELOD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
false, -1.0f, 7.0f, true, IVec3(-8, 7, 3), tex3DMipmapFixed, evalTexture3DLodOffset, BOTH),
CASE_SPEC(sampler3d_float, FUNCTION_TEXTURELOD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
false, -1.0f, 7.0f, true, IVec3(7, 3, -8), tex3DMipmapFloat, evalTexture3DLodOffset, BOTH),
CASE_SPEC(isampler3d, FUNCTION_TEXTURELOD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f), false,
-1.0f, 7.0f, true, IVec3(3, -8, 7), tex3DMipmapInt, evalTexture3DLodOffset, BOTH),
CASE_SPEC(usampler3d, FUNCTION_TEXTURELOD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f), false,
-1.0f, 7.0f, true, IVec3(-8, 7, 3), tex3DMipmapUint, evalTexture3DLodOffset, BOTH),
CASE_SPEC(sampler2dshadow, FUNCTION_TEXTURELOD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 1.0f, 0.0f),
false, -1.0f, 9.0f, true, IVec3(-8, 7, 0), tex2DMipmapShadow, evalTexture2DShadowLodOffset, BOTH)};
createCaseGroup(this, "texturelodoffset", "textureLodOffset() Tests", textureLodOffsetCases,
DE_LENGTH_OF_ARRAY(textureLodOffsetCases));
// textureProjLod() cases
static const TexFuncCaseSpec textureProjLodCases[] = {
// Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
CASE_SPEC(sampler2d_vec3_fixed, FUNCTION_TEXTUREPROJLOD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapFixed,
evalTexture2DProjLod3, BOTH),
CASE_SPEC(sampler2d_vec3_float, FUNCTION_TEXTUREPROJLOD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapFloat,
evalTexture2DProjLod3, BOTH),
CASE_SPEC(isampler2d_vec3, FUNCTION_TEXTUREPROJLOD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapInt,
evalTexture2DProjLod3, BOTH),
CASE_SPEC(usampler2d_vec3, FUNCTION_TEXTUREPROJLOD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapUint,
evalTexture2DProjLod3, BOTH),
CASE_SPEC(sampler2d_vec4_fixed, FUNCTION_TEXTUREPROJLOD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapFixed,
evalTexture2DProjLod, BOTH),
CASE_SPEC(sampler2d_vec4_float, FUNCTION_TEXTUREPROJLOD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapFloat,
evalTexture2DProjLod, BOTH),
CASE_SPEC(isampler2d_vec4, FUNCTION_TEXTUREPROJLOD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapInt,
evalTexture2DProjLod, BOTH),
CASE_SPEC(usampler2d_vec4, FUNCTION_TEXTUREPROJLOD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapUint,
evalTexture2DProjLod, BOTH),
CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREPROJLOD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, -1.0f, 7.0f, false, IVec3(0), tex3DMipmapFixed,
evalTexture3DProjLod, BOTH),
CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJLOD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, -1.0f, 7.0f, false, IVec3(0), tex3DMipmapFloat,
evalTexture3DProjLod, BOTH),
CASE_SPEC(isampler3d, FUNCTION_TEXTUREPROJLOD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, -1.0f, 7.0f, false, IVec3(0), tex3DMipmapInt,
evalTexture3DProjLod, BOTH),
CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJLOD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, -1.0f, 7.0f, false, IVec3(0), tex3DMipmapUint,
evalTexture3DProjLod, BOTH),
CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJLOD, Vec4(0.2f, 0.6f, 0.0f, 1.5f),
Vec4(-2.25f, -3.45f, 1.5f, 1.5f), false, -1.0f, 9.0f, false, IVec3(0), tex2DMipmapShadow,
evalTexture2DShadowProjLod, BOTH)};
createCaseGroup(this, "textureprojlod", "textureProjLod() Tests", textureProjLodCases,
DE_LENGTH_OF_ARRAY(textureProjLodCases));
// textureProjLodOffset() cases
static const TexFuncCaseSpec textureProjLodOffsetCases[] = {
// Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
CASE_SPEC(sampler2d_vec3_fixed, FUNCTION_TEXTUREPROJLOD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, -1.0f, 9.0f, true, IVec3(-8, 7, 0), tex2DMipmapFixed,
evalTexture2DProjLod3Offset, BOTH),
CASE_SPEC(sampler2d_vec3_float, FUNCTION_TEXTUREPROJLOD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, -1.0f, 9.0f, true, IVec3(7, -8, 0), tex2DMipmapFloat,
evalTexture2DProjLod3Offset, BOTH),
CASE_SPEC(isampler2d_vec3, FUNCTION_TEXTUREPROJLOD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, -1.0f, 9.0f, true, IVec3(-8, 7, 0), tex2DMipmapInt,
evalTexture2DProjLod3Offset, BOTH),
CASE_SPEC(usampler2d_vec3, FUNCTION_TEXTUREPROJLOD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), false, -1.0f, 9.0f, true, IVec3(7, -8, 0), tex2DMipmapUint,
evalTexture2DProjLod3Offset, BOTH),
CASE_SPEC(sampler2d_vec4_fixed, FUNCTION_TEXTUREPROJLOD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, -1.0f, 9.0f, true, IVec3(-8, 7, 0), tex2DMipmapFixed,
evalTexture2DProjLodOffset, BOTH),
CASE_SPEC(sampler2d_vec4_float, FUNCTION_TEXTUREPROJLOD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, -1.0f, 9.0f, true, IVec3(7, -8, 0), tex2DMipmapFloat,
evalTexture2DProjLodOffset, BOTH),
CASE_SPEC(isampler2d_vec4, FUNCTION_TEXTUREPROJLOD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, -1.0f, 9.0f, true, IVec3(-8, 7, 0), tex2DMipmapInt,
evalTexture2DProjLodOffset, BOTH),
CASE_SPEC(usampler2d_vec4, FUNCTION_TEXTUREPROJLOD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), false, -1.0f, 9.0f, true, IVec3(7, -8, 0), tex2DMipmapUint,
evalTexture2DProjLodOffset, BOTH),
CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREPROJLOD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, -1.0f, 7.0f, true, IVec3(-8, 7, 3), tex3DMipmapFixed,
evalTexture3DProjLodOffset, BOTH),
CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJLOD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, -1.0f, 7.0f, true, IVec3(7, 3, -8), tex3DMipmapFloat,
evalTexture3DProjLodOffset, BOTH),
CASE_SPEC(isampler3d, FUNCTION_TEXTUREPROJLOD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, -1.0f, 7.0f, true, IVec3(3, -8, 7), tex3DMipmapInt,
evalTexture3DProjLodOffset, BOTH),
CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJLOD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), false, -1.0f, 7.0f, true, IVec3(-8, 7, 3), tex3DMipmapUint,
evalTexture3DProjLodOffset, BOTH),
CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJLOD, Vec4(0.2f, 0.6f, 0.0f, 1.5f),
Vec4(-2.25f, -3.45f, 1.5f, 1.5f), false, -1.0f, 9.0f, true, IVec3(-8, 7, 0), tex2DMipmapShadow,
evalTexture2DShadowProjLodOffset, BOTH)};
createCaseGroup(this, "textureprojlodoffset", "textureProjLodOffset() Tests", textureProjLodOffsetCases,
DE_LENGTH_OF_ARRAY(textureProjLodOffsetCases));
// textureGrad() cases
// \note Only one of dudx, dudy, dvdx, dvdy is non-zero since spec allows approximating p from derivates by various methods.
static const TexFuncCaseSpec textureGradCases[] = {
// Name Function MinCoord MaxCoord MinDx MaxDx MinDy MaxDy Offset? Offset Format EvalFunc Flags
GRAD_CASE_SPEC(sampler2d_fixed, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f),
Vec4(1.5f, 2.3f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapFixed,
evalTexture2DGrad, BOTH),
GRAD_CASE_SPEC(sampler2d_float, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f),
Vec4(1.5f, 2.3f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, -0.2f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapFloat,
evalTexture2DGrad, BOTH),
GRAD_CASE_SPEC(isampler2d, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f),
false, IVec3(0), tex2DMipmapInt, evalTexture2DGrad, BOTH),
GRAD_CASE_SPEC(usampler2d, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.2f, 0.0f),
false, IVec3(0), tex2DMipmapUint, evalTexture2DGrad, BOTH),
GRAD_CASE_SPEC(samplercube_fixed, FUNCTION_TEXTUREGRAD, Vec4(-1.0f, -1.0f, 1.01f, 0.0f),
Vec4(1.0f, 1.0f, 1.01f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), texCubeMipmapFixed,
evalTextureCubeGrad, BOTH),
GRAD_CASE_SPEC(samplercube_float, FUNCTION_TEXTUREGRAD, Vec4(-1.0f, -1.0f, -1.01f, 0.0f),
Vec4(1.0f, 1.0f, -1.01f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, -0.2f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), texCubeMipmapFloat,
evalTextureCubeGrad, BOTH),
GRAD_CASE_SPEC(isamplercube, FUNCTION_TEXTUREGRAD, Vec4(-1.0f, -1.0f, 1.01f, 0.0f),
Vec4(1.0f, 1.0f, 1.01f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), false, IVec3(0), texCubeMipmapInt,
evalTextureCubeGrad, BOTH),
GRAD_CASE_SPEC(usamplercube, FUNCTION_TEXTUREGRAD, Vec4(-1.0f, -1.0f, -1.01f, 0.0f),
Vec4(1.0f, 1.0f, -1.01f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.2f, 0.0f), false, IVec3(0), texCubeMipmapUint,
evalTextureCubeGrad, BOTH),
GRAD_CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DArrayMipmapFixed,
evalTexture2DArrayGrad, BOTH),
GRAD_CASE_SPEC(sampler2darray_float, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, -0.2f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DArrayMipmapFloat,
evalTexture2DArrayGrad, BOTH),
GRAD_CASE_SPEC(isampler2darray, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), false, IVec3(0), tex2DArrayMipmapInt,
evalTexture2DArrayGrad, BOTH),
GRAD_CASE_SPEC(usampler2darray, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.2f, 0.0f), false, IVec3(0), tex2DArrayMipmapUint,
evalTexture2DArrayGrad, BOTH),
GRAD_CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f),
Vec4(1.5f, 2.3f, 2.3f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), tex3DMipmapFixed,
evalTexture3DGrad, BOTH),
GRAD_CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f),
Vec4(1.5f, 2.3f, 2.3f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, -0.2f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), tex3DMipmapFloat,
evalTexture3DGrad, VERTEX),
GRAD_CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f),
Vec4(1.5f, 2.3f, 2.3f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.2f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), tex3DMipmapFloat,
evalTexture3DGrad, FRAGMENT),
GRAD_CASE_SPEC(isampler3d, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f),
false, IVec3(0), tex3DMipmapInt, evalTexture3DGrad, BOTH),
GRAD_CASE_SPEC(usampler3d, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.2f, 0.0f),
false, IVec3(0), tex3DMipmapUint, evalTexture3DGrad, VERTEX),
GRAD_CASE_SPEC(usampler3d, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, -0.2f),
false, IVec3(0), tex3DMipmapUint, evalTexture3DGrad, FRAGMENT),
GRAD_CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f),
Vec4(1.5f, 2.3f, 1.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapShadow,
evalTexture2DShadowGrad, BOTH),
GRAD_CASE_SPEC(samplercubeshadow, FUNCTION_TEXTUREGRAD, Vec4(-1.0f, -1.0f, 1.01f, 0.0f),
Vec4(1.0f, 1.0f, 1.01f, 1.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.2f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), texCubeMipmapShadow,
evalTextureCubeShadowGrad, BOTH),
GRAD_CASE_SPEC(sampler2darrayshadow, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 1.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f), false, IVec3(0), tex2DArrayMipmapShadow,
evalTexture2DArrayShadowGrad, VERTEX),
GRAD_CASE_SPEC(sampler2darrayshadow, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 1.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, -0.2f, 0.0f), false, IVec3(0), tex2DArrayMipmapShadow,
evalTexture2DArrayShadowGrad, FRAGMENT)};
createCaseGroup(this, "texturegrad", "textureGrad() Tests", textureGradCases, DE_LENGTH_OF_ARRAY(textureGradCases));
// textureGradOffset() cases
static const TexFuncCaseSpec textureGradOffsetCases[] = {
// Name Function MinCoord MaxCoord MinDx MaxDx MinDy MaxDy Offset? Offset Format EvalFunc Flags
GRAD_CASE_SPEC(sampler2d_fixed, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f),
Vec4(1.5f, 2.3f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DMipmapFixed,
evalTexture2DGradOffset, BOTH),
GRAD_CASE_SPEC(sampler2d_float, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f),
Vec4(1.5f, 2.3f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, -0.2f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), true, IVec3(7, -8, 0), tex2DMipmapFloat,
evalTexture2DGradOffset, BOTH),
GRAD_CASE_SPEC(isampler2d, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f),
true, IVec3(-8, 7, 0), tex2DMipmapInt, evalTexture2DGradOffset, BOTH),
GRAD_CASE_SPEC(usampler2d, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f), Vec4(1.5f, 2.3f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.2f, 0.0f),
true, IVec3(7, -8, 0), tex2DMipmapUint, evalTexture2DGradOffset, BOTH),
GRAD_CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DArrayMipmapFixed,
evalTexture2DArrayGradOffset, BOTH),
GRAD_CASE_SPEC(sampler2darray_float, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, -0.2f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), true, IVec3(7, -8, 0), tex2DArrayMipmapFloat,
evalTexture2DArrayGradOffset, BOTH),
GRAD_CASE_SPEC(isampler2darray, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DArrayMipmapInt,
evalTexture2DArrayGradOffset, BOTH),
GRAD_CASE_SPEC(usampler2darray, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.2f, 0.0f), true, IVec3(7, -8, 0), tex2DArrayMipmapUint,
evalTexture2DArrayGradOffset, BOTH),
GRAD_CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f),
Vec4(1.5f, 2.3f, 2.3f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), true, IVec3(-8, 7, 3), tex3DMipmapFixed,
evalTexture3DGradOffset, BOTH),
GRAD_CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f),
Vec4(1.5f, 2.3f, 2.3f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, -0.2f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), true, IVec3(7, 3, -8), tex3DMipmapFloat,
evalTexture3DGradOffset, VERTEX),
GRAD_CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f),
Vec4(1.5f, 2.3f, 2.3f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.2f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), true, IVec3(3, -8, 7), tex3DMipmapFloat,
evalTexture3DGradOffset, FRAGMENT),
GRAD_CASE_SPEC(isampler3d, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f),
true, IVec3(-8, 7, 3), tex3DMipmapInt, evalTexture3DGradOffset, BOTH),
GRAD_CASE_SPEC(usampler3d, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.2f, 0.0f),
true, IVec3(7, 3, -8), tex3DMipmapUint, evalTexture3DGradOffset, VERTEX),
GRAD_CASE_SPEC(usampler3d, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -1.4f, 0.1f, 0.0f), Vec4(1.5f, 2.3f, 2.3f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, -0.2f),
true, IVec3(3, -8, 7), tex3DMipmapUint, evalTexture3DGradOffset, FRAGMENT),
GRAD_CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f),
Vec4(1.5f, 2.3f, 1.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DMipmapShadow,
evalTexture2DShadowGradOffset, VERTEX),
GRAD_CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREGRAD, Vec4(-0.2f, -0.4f, 0.0f, 0.0f),
Vec4(1.5f, 2.3f, 1.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.2f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), true, IVec3(7, -8, 0), tex2DMipmapShadow,
evalTexture2DShadowGradOffset, FRAGMENT),
GRAD_CASE_SPEC(sampler2darrayshadow, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 1.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DArrayMipmapShadow,
evalTexture2DArrayShadowGradOffset, VERTEX),
GRAD_CASE_SPEC(sampler2darrayshadow, FUNCTION_TEXTUREGRAD, Vec4(-1.2f, -0.4f, -0.5f, 0.0f),
Vec4(1.5f, 2.3f, 3.5f, 1.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, -0.2f, 0.0f), true, IVec3(7, -8, 0), tex2DArrayMipmapShadow,
evalTexture2DArrayShadowGradOffset, FRAGMENT)};
createCaseGroup(this, "texturegradoffset", "textureGradOffset() Tests", textureGradOffsetCases,
DE_LENGTH_OF_ARRAY(textureGradOffsetCases));
// textureProjGrad() cases
static const TexFuncCaseSpec textureProjGradCases[] = {
// Name Function MinCoord MaxCoord MinDx MaxDx MinDy MaxDy Offset? Offset Format EvalFunc Flags
GRAD_CASE_SPEC(sampler2d_vec3_fixed, FUNCTION_TEXTUREPROJGRAD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapFixed,
evalTexture2DProjGrad3, BOTH),
GRAD_CASE_SPEC(sampler2d_vec3_float, FUNCTION_TEXTUREPROJGRAD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, -0.2f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapFloat,
evalTexture2DProjGrad3, BOTH),
GRAD_CASE_SPEC(isampler2d_vec3, FUNCTION_TEXTUREPROJGRAD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapInt,
evalTexture2DProjGrad3, BOTH),
GRAD_CASE_SPEC(usampler2d_vec3, FUNCTION_TEXTUREPROJGRAD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.2f, 0.0f), false, IVec3(0), tex2DMipmapUint,
evalTexture2DProjGrad3, BOTH),
GRAD_CASE_SPEC(sampler2d_vec4_fixed, FUNCTION_TEXTUREPROJGRAD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapFixed,
evalTexture2DProjGrad, BOTH),
GRAD_CASE_SPEC(sampler2d_vec4_float, FUNCTION_TEXTUREPROJGRAD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, -0.2f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapFloat,
evalTexture2DProjGrad, BOTH),
GRAD_CASE_SPEC(isampler2d_vec4, FUNCTION_TEXTUREPROJGRAD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapInt,
evalTexture2DProjGrad, BOTH),
GRAD_CASE_SPEC(usampler2d_vec4, FUNCTION_TEXTUREPROJGRAD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.2f, 0.0f), false, IVec3(0), tex2DMipmapUint,
evalTexture2DProjGrad, BOTH),
GRAD_CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), tex3DMipmapFixed,
evalTexture3DProjGrad, BOTH),
GRAD_CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, -0.2f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), tex3DMipmapFloat,
evalTexture3DProjGrad, VERTEX),
GRAD_CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.2f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), tex3DMipmapFloat,
evalTexture3DProjGrad, FRAGMENT),
GRAD_CASE_SPEC(isampler3d, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), false, IVec3(0), tex3DMipmapInt,
evalTexture3DProjGrad, BOTH),
GRAD_CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.2f, 0.0f), false, IVec3(0), tex3DMipmapUint,
evalTexture3DProjGrad, VERTEX),
GRAD_CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, -0.2f), false, IVec3(0), tex3DMipmapUint,
evalTexture3DProjGrad, FRAGMENT),
GRAD_CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJGRAD, Vec4(0.2f, 0.6f, 0.0f, -1.5f),
Vec4(-2.25f, -3.45f, -1.5f, -1.5f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), false, IVec3(0), tex2DMipmapShadow,
evalTexture2DShadowProjGrad, VERTEX),
GRAD_CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJGRAD, Vec4(0.2f, 0.6f, 0.0f, -1.5f),
Vec4(-2.25f, -3.45f, -1.5f, -1.5f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, -0.2f, 0.0f), false, IVec3(0), tex2DMipmapShadow,
evalTexture2DShadowProjGrad, FRAGMENT)};
createCaseGroup(this, "textureprojgrad", "textureProjGrad() Tests", textureProjGradCases,
DE_LENGTH_OF_ARRAY(textureProjGradCases));
// textureProjGradOffset() cases
static const TexFuncCaseSpec textureProjGradOffsetCases[] = {
// Name Function MinCoord MaxCoord MinDx MaxDx MinDy MaxDy Offset? Offset Format EvalFunc Flags
GRAD_CASE_SPEC(sampler2d_vec3_fixed, FUNCTION_TEXTUREPROJGRAD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DMipmapFixed,
evalTexture2DProjGrad3Offset, BOTH),
GRAD_CASE_SPEC(sampler2d_vec3_float, FUNCTION_TEXTUREPROJGRAD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, -0.2f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), true, IVec3(7, -8, 0), tex2DMipmapFloat,
evalTexture2DProjGrad3Offset, BOTH),
GRAD_CASE_SPEC(isampler2d_vec3, FUNCTION_TEXTUREPROJGRAD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DMipmapInt,
evalTexture2DProjGrad3Offset, BOTH),
GRAD_CASE_SPEC(usampler2d_vec3, FUNCTION_TEXTUREPROJGRAD3, Vec4(-0.3f, -0.6f, 1.5f, 0.0f),
Vec4(2.25f, 3.45f, 1.5f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.2f, 0.0f), true, IVec3(7, -8, 0), tex2DMipmapUint,
evalTexture2DProjGrad3Offset, BOTH),
GRAD_CASE_SPEC(sampler2d_vec4_fixed, FUNCTION_TEXTUREPROJGRAD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DMipmapFixed,
evalTexture2DProjGradOffset, BOTH),
GRAD_CASE_SPEC(sampler2d_vec4_float, FUNCTION_TEXTUREPROJGRAD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, -0.2f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), true, IVec3(7, -8, 0), tex2DMipmapFloat,
evalTexture2DProjGradOffset, BOTH),
GRAD_CASE_SPEC(isampler2d_vec4, FUNCTION_TEXTUREPROJGRAD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DMipmapInt,
evalTexture2DProjGradOffset, BOTH),
GRAD_CASE_SPEC(usampler2d_vec4, FUNCTION_TEXTUREPROJGRAD, Vec4(-0.3f, -0.6f, 0.0f, 1.5f),
Vec4(2.25f, 3.45f, 0.0f, 1.5f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.2f, 0.0f), true, IVec3(7, -8, 0), tex2DMipmapUint,
evalTexture2DProjGradOffset, BOTH),
GRAD_CASE_SPEC(sampler3d_fixed, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), true, IVec3(-8, 7, 3), tex3DMipmapFixed,
evalTexture3DProjGradOffset, BOTH),
GRAD_CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, -0.2f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), true, IVec3(7, 3, -8), tex3DMipmapFloat,
evalTexture3DProjGradOffset, VERTEX),
GRAD_CASE_SPEC(sampler3d_float, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.2f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), true, IVec3(3, -8, 7), tex3DMipmapFloat,
evalTexture3DProjGradOffset, FRAGMENT),
GRAD_CASE_SPEC(isampler3d, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(-0.2f, 0.0f, 0.0f), true, IVec3(-8, 7, 3), tex3DMipmapInt,
evalTexture3DProjGradOffset, BOTH),
GRAD_CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.2f, 0.0f), true, IVec3(7, 3, -8), tex3DMipmapUint,
evalTexture3DProjGradOffset, VERTEX),
GRAD_CASE_SPEC(usampler3d, FUNCTION_TEXTUREPROJGRAD, Vec4(0.9f, 1.05f, -0.08f, -0.75f),
Vec4(-1.13f, -1.7f, -1.7f, -0.75f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, -0.2f), true, IVec3(3, -8, 7), tex3DMipmapUint,
evalTexture3DProjGradOffset, FRAGMENT),
GRAD_CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJGRAD, Vec4(0.2f, 0.6f, 0.0f, -1.5f),
Vec4(-2.25f, -3.45f, -1.5f, -1.5f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.2f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f), true, IVec3(-8, 7, 0), tex2DMipmapShadow,
evalTexture2DShadowProjGradOffset, VERTEX),
GRAD_CASE_SPEC(sampler2dshadow, FUNCTION_TEXTUREPROJGRAD, Vec4(0.2f, 0.6f, 0.0f, -1.5f),
Vec4(-2.25f, -3.45f, -1.5f, -1.5f), Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, 0.0f, 0.0f),
Vec3(0.0f, 0.0f, 0.0f), Vec3(0.0f, -0.2f, 0.0f), true, IVec3(7, -8, 0), tex2DMipmapShadow,
evalTexture2DShadowProjGradOffset, FRAGMENT)};
createCaseGroup(this, "textureprojgradoffset", "textureProjGradOffset() Tests", textureProjGradOffsetCases,
DE_LENGTH_OF_ARRAY(textureProjGradOffsetCases));
// texelFetch() cases
// \note Level is constant across quad
static const TexFuncCaseSpec texelFetchCases[] = {
// Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
CASE_SPEC(sampler2d_fixed, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4(255.9f, 255.9f, 0.0f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex2DTexelFetchFixed, evalTexelFetch2D, BOTH),
CASE_SPEC(sampler2d_float, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4(127.9f, 127.9f, 0.0f, 0.0f),
false, 1.0f, 1.0f, false, IVec3(0), tex2DTexelFetchFloat, evalTexelFetch2D, BOTH),
CASE_SPEC(isampler2d, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4(63.9f, 63.9f, 0.0f, 0.0f), false,
2.0f, 2.0f, false, IVec3(0), tex2DTexelFetchInt, evalTexelFetch2D, BOTH),
CASE_SPEC(usampler2d, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4(15.9f, 15.9f, 0.0f, 0.0f), false,
4.0f, 4.0f, false, IVec3(0), tex2DTexelFetchUint, evalTexelFetch2D, BOTH),
CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f),
Vec4(127.9f, 127.9f, 3.9f, 0.0f), false, 0.0f, 0.0f, false, IVec3(0), tex2DArrayTexelFetchFixed,
evalTexelFetch2DArray, BOTH),
CASE_SPEC(sampler2darray_float, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f),
Vec4(63.9f, 63.9f, 3.9f, 0.0f), false, 1.0f, 1.0f, false, IVec3(0), tex2DArrayTexelFetchFloat,
evalTexelFetch2DArray, BOTH),
CASE_SPEC(isampler2darray, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4(31.9f, 31.9f, 3.9f, 0.0f),
false, 2.0f, 2.0f, false, IVec3(0), tex2DArrayTexelFetchInt, evalTexelFetch2DArray, BOTH),
CASE_SPEC(usampler2darray, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4(15.9f, 15.9f, 3.9f, 0.0f),
false, 3.0f, 3.0f, false, IVec3(0), tex2DArrayTexelFetchUint, evalTexelFetch2DArray, BOTH),
CASE_SPEC(sampler3d_fixed, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4(63.9f, 31.9f, 31.9f, 0.0f),
false, 0.0f, 0.0f, false, IVec3(0), tex3DTexelFetchFixed, evalTexelFetch3D, BOTH),
CASE_SPEC(sampler3d_float, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4(31.9f, 15.9f, 15.9f, 0.0f),
false, 1.0f, 1.0f, false, IVec3(0), tex3DTexelFetchFloat, evalTexelFetch3D, BOTH),
CASE_SPEC(isampler3d, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4(15.9f, 7.9f, 7.9f, 0.0f), false,
2.0f, 2.0f, false, IVec3(0), tex3DTexelFetchInt, evalTexelFetch3D, BOTH),
CASE_SPEC(usampler3d, FUNCTION_TEXELFETCH, Vec4(0.0f, 0.0f, 0.0f, 0.0f), Vec4(63.9f, 31.9f, 31.9f, 0.0f), false,
0.0f, 0.0f, false, IVec3(0), tex3DTexelFetchUint, evalTexelFetch3D, BOTH)};
createCaseGroup(this, "texelfetch", "texelFetch() Tests", texelFetchCases, DE_LENGTH_OF_ARRAY(texelFetchCases));
// texelFetchOffset() cases
static const TexFuncCaseSpec texelFetchOffsetCases[] = {
// Name Function MinCoord MaxCoord Bias? MinLod MaxLod Offset? Offset Format EvalFunc Flags
CASE_SPEC(sampler2d_fixed, FUNCTION_TEXELFETCH, Vec4(8.0f, -7.0f, 0.0f, 0.0f), Vec4(263.9f, 248.9f, 0.0f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DTexelFetchFixed, evalTexelFetch2D, BOTH),
CASE_SPEC(sampler2d_float, FUNCTION_TEXELFETCH, Vec4(-7.0f, 8.0f, 0.0f, 0.0f), Vec4(120.9f, 135.9f, 0.0f, 0.0f),
false, 1.0f, 1.0f, true, IVec3(7, -8, 0), tex2DTexelFetchFloat, evalTexelFetch2D, BOTH),
CASE_SPEC(isampler2d, FUNCTION_TEXELFETCH, Vec4(8.0f, -7.0f, 0.0f, 0.0f), Vec4(71.9f, 56.9f, 0.0f, 0.0f), false,
2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DTexelFetchInt, evalTexelFetch2D, BOTH),
CASE_SPEC(usampler2d, FUNCTION_TEXELFETCH, Vec4(-7.0f, 8.0f, 0.0f, 0.0f), Vec4(8.9f, 23.9f, 0.0f, 0.0f), false,
4.0f, 4.0f, true, IVec3(7, -8, 0), tex2DTexelFetchUint, evalTexelFetch2D, BOTH),
CASE_SPEC(sampler2darray_fixed, FUNCTION_TEXELFETCH, Vec4(8.0f, -7.0f, 0.0f, 0.0f),
Vec4(135.9f, 120.9f, 3.9f, 0.0f), false, 0.0f, 0.0f, true, IVec3(-8, 7, 0), tex2DArrayTexelFetchFixed,
evalTexelFetch2DArray, BOTH),
CASE_SPEC(sampler2darray_float, FUNCTION_TEXELFETCH, Vec4(-7.0f, 8.0f, 0.0f, 0.0f),
Vec4(56.9f, 71.9f, 3.9f, 0.0f), false, 1.0f, 1.0f, true, IVec3(7, -8, 0), tex2DArrayTexelFetchFloat,
evalTexelFetch2DArray, BOTH),
CASE_SPEC(isampler2darray, FUNCTION_TEXELFETCH, Vec4(8.0f, -7.0f, 0.0f, 0.0f), Vec4(39.9f, 24.9f, 3.9f, 0.0f),
false, 2.0f, 2.0f, true, IVec3(-8, 7, 0), tex2DArrayTexelFetchInt, evalTexelFetch2DArray, BOTH),
CASE_SPEC(usampler2darray, FUNCTION_TEXELFETCH, Vec4(-7.0f, 8.0f, 0.0f, 0.0f), Vec4(8.9f, 23.9f, 3.9f, 0.0f),
false, 3.0f, 3.0f, true, IVec3(7, -8, 0), tex2DArrayTexelFetchUint, evalTexelFetch2DArray, BOTH),
CASE_SPEC(sampler3d_fixed, FUNCTION_TEXELFETCH, Vec4(8.0f, -7.0f, -3.0f, 0.0f), Vec4(71.9f, 24.9f, 28.9f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(-8, 7, 3), tex3DTexelFetchFixed, evalTexelFetch3D, BOTH),
CASE_SPEC(sampler3d_float, FUNCTION_TEXELFETCH, Vec4(-7.0f, -3.0f, 8.0f, 0.0f), Vec4(24.9f, 12.9f, 23.9f, 0.0f),
false, 1.0f, 1.0f, true, IVec3(7, 3, -8), tex3DTexelFetchFloat, evalTexelFetch3D, BOTH),
CASE_SPEC(isampler3d, FUNCTION_TEXELFETCH, Vec4(-3.0f, 8.0f, -7.0f, 0.0f), Vec4(12.9f, 15.9f, 0.9f, 0.0f),
false, 2.0f, 2.0f, true, IVec3(3, -8, 7), tex3DTexelFetchInt, evalTexelFetch3D, BOTH),
CASE_SPEC(usampler3d, FUNCTION_TEXELFETCH, Vec4(8.0f, -7.0f, -3.0f, 0.0f), Vec4(71.9f, 24.9f, 28.9f, 0.0f),
false, 0.0f, 0.0f, true, IVec3(-8, 7, 3), tex3DTexelFetchUint, evalTexelFetch3D, BOTH)};
createCaseGroup(this, "texelfetchoffset", "texelFetchOffset() Tests", texelFetchOffsetCases,
DE_LENGTH_OF_ARRAY(texelFetchOffsetCases));
// textureSize() cases
{
struct TextureSizeCaseSpec
{
const char *name;
const char *samplerName;
TextureSpec textureSpec;
} textureSizeCases[] = {
{"sampler2d_fixed", "sampler2D", tex2DFixed},
{"sampler2d_float", "sampler2D", tex2DFloat},
{"isampler2d", "isampler2D", tex2DInt},
{"usampler2d", "usampler2D", tex2DUint},
{"sampler2dshadow", "sampler2DShadow", tex2DShadow},
{"sampler3d_fixed", "sampler3D", tex3DFixed},
{"sampler3d_float", "sampler3D", tex3DFloat},
{"isampler3d", "isampler3D", tex3DInt},
{"usampler3d", "usampler3D", tex3DUint},
{"samplercube_fixed", "samplerCube", texCubeFixed},
{"samplercube_float", "samplerCube", texCubeFloat},
{"isamplercube", "isamplerCube", texCubeInt},
{"usamplercube", "usamplerCube", texCubeUint},
{"samplercubeshadow", "samplerCubeShadow", texCubeShadow},
{"sampler2darray_fixed", "sampler2DArray", tex2DArrayFixed},
{"sampler2darray_float", "sampler2DArray", tex2DArrayFloat},
{"isampler2darray", "isampler2DArray", tex2DArrayInt},
{"usampler2darray", "usampler2DArray", tex2DArrayUint},
{"sampler2darrayshadow", "sampler2DArrayShadow", tex2DArrayShadow},
};
tcu::TestCaseGroup *group = new tcu::TestCaseGroup(m_testCtx, "texturesize", "textureSize() Tests");
addChild(group);
for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(textureSizeCases); ++ndx)
{
group->addChild(
new TextureSizeCase(m_context, (std::string(textureSizeCases[ndx].name) + "_vertex").c_str(), "",
textureSizeCases[ndx].samplerName, textureSizeCases[ndx].textureSpec, true));
group->addChild(
new TextureSizeCase(m_context, (std::string(textureSizeCases[ndx].name) + "_fragment").c_str(), "",
textureSizeCases[ndx].samplerName, textureSizeCases[ndx].textureSpec, false));
}
}
// Negative cases.
{
gls::ShaderLibrary library(m_testCtx, m_context.getRenderContext(), m_context.getContextInfo());
std::vector<tcu::TestNode *> negativeCases = library.loadShaderFile("shaders/invalid_texture_functions.test");
tcu::TestCaseGroup *group =
new tcu::TestCaseGroup(m_testCtx, "invalid", "Invalid texture function usage", negativeCases);
addChild(group);
}
}
} // namespace Functional
} // namespace gles3
} // namespace deqp