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fuchsia / third_party / vulkan-cts / f45f44b3be8d2d3fa4aedb8bccefb758ec2e268d / . / external / openglcts / modules / common / glcPackedPixelsTests.cpp
blob: f86038ea4673bd7c5bad9d51b4ee1991e65f3564 [file] [log] [blame]
/*-------------------------------------------------------------------------
* OpenGL Conformance Test Suite
* -----------------------------
*
* Copyright (c) 2017 The Khronos Group Inc.
*
* 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 glcPackedPixelsTests.cpp
* \brief
*/ /*-------------------------------------------------------------------*/
#include "glcPackedPixelsTests.hpp"
#include "deMath.h"
#include "glcMisc.hpp"
#include "gluContextInfo.hpp"
#include "gluShaderProgram.hpp"
#include "gluStrUtil.hpp"
#include "glwEnums.hpp"
#include "glwFunctions.hpp"
#include "tcuRenderTarget.hpp"
#include "tcuTestLog.hpp"
#include <algorithm>
#include <cstring>
#include <limits>
#include <map>
#include <stdio.h>
using namespace glw;
using namespace glu;
namespace glcts
{
enum
{
GRADIENT_WIDTH = 7,
GRADIENT_HEIGHT = 3
};
enum InputOutputOperation
{
OUTPUT_GETTEXIMAGE,
OUTPUT_READPIXELS,
INPUT_TEXIMAGE,
};
enum ComponentFormat
{
FORMAT_STENCIL, // stencil, unsigned int
FORMAT_DEPTH, // depth, unsigned [fp|float]
FORMAT_DEPTH_STENCIL, // depth+stencil, unsigned [fp|float]
FORMAT_COLOR, // color, [signed|unsigned] fp
FORMAT_COLOR_INTEGER, // color, [signed|unsigned] int
};
enum TypeStorage
{
STORAGE_UNSIGNED, // unsigned fp/int
STORAGE_SIGNED, // signed fp/int
STORAGE_FLOAT, // signed/unsigned float
};
union InternalFormatBits {
struct Bits
{
int red; // red bits
int green; // green bits
int blue; // blue bits
int alpha; // alpha bits
int intensity; // intensity bits
int luminance; // luminance bits
int depth; // depth bits
int stencil; // stencil bits
int exponent; // shared exponent bits
} bits;
int array[9]; // all the bits
};
struct PixelType
{
GLenum type;
int size;
int storage;
bool special;
bool reversed;
InternalFormatBits bits;
bool clamp;
};
struct PixelFormat
{
GLenum format; // format name
int components; // number of components
int componentFormat; // element meaning
GLenum attachment; // target buffer
InternalFormatBits componentOrder; // zero based element order, -1 for N/A
};
enum InternalFormatSamplerType
{
SAMPLER_UNORM = 0, // unsigned normalized
SAMPLER_NORM, // normalized
SAMPLER_UINT, // unsigned integer
SAMPLER_INT, // integer
SAMPLER_FLOAT // floating-point
};
enum InternalFormatFlag
{
FLAG_PACKED = 1, // packed pixel format
FLAG_COMPRESSED = 2, // compressed format
FLAG_REQ_RBO_GL42 = 4, // required RBO & tex format in OpenGL 4.2
FLAG_REQ_RBO_ES30 = 8, // required RBO & tex format in OpenGL ES 3.0
FLAG_REQ_RBO = FLAG_REQ_RBO_GL42 | FLAG_REQ_RBO_ES30, // Required RBO & tex format in both
};
struct InternalFormat
{
GLenum sizedFormat;
GLenum baseFormat;
GLenum format;
GLenum type;
InternalFormatSamplerType sampler;
InternalFormatBits bits;
int flags; // InternalFormatFlag
};
struct EnumFormats
{
GLenum internalformat;
GLenum format;
GLenum type;
int size;
bool bRenderable;
};
#define PACK_DEFAULTI (0)
#define PACK_DEFAULTUI (0)
#define PACK_DEFAULTF (-2.0f)
static const InternalFormat coreInternalformats[] =
{
{ GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,16, 0, 0 } }, 0 },
{ GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_UNSIGNED_INT, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,24, 8, 0 } }, 0 },
{ GL_RED, GL_RED, GL_RED, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RG, GL_RG, GL_RG, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_R8, GL_RED, GL_RED, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_R8_SNORM, GL_RED, GL_RED, GL_BYTE, SAMPLER_NORM, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_R16, GL_RED, GL_RED, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { {16, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
{ GL_R16_SNORM, GL_RED, GL_RED, GL_SHORT, SAMPLER_NORM, { {16, 0, 0, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RG8, GL_RG, GL_RG, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RG8_SNORM, GL_RG, GL_RG, GL_BYTE, SAMPLER_NORM, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RG16, GL_RG, GL_RG, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { {16,16, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
{ GL_RG16_SNORM, GL_RG, GL_RG, GL_SHORT, SAMPLER_NORM, { {16,16, 0, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_R3_G3_B2, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE_3_3_2, SAMPLER_UNORM, { { 3, 3, 2, 0, 0, 0, 0, 0, 0 } }, FLAG_PACKED },
{ GL_RGB4, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 4, 4, 4, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB5, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 5, 5, 5, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB8, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_ES30 },
{ GL_RGB8_SNORM, GL_RGB, GL_RGB, GL_BYTE, SAMPLER_NORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB10, GL_RGB, GL_RGB, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { {10,10,10, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB12, GL_RGB, GL_RGB, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { {12,12,12, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB16, GL_RGB, GL_RGB, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { {16,16,16, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB16_SNORM, GL_RGB, GL_RGB, GL_SHORT, SAMPLER_NORM, { {16,16,16, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGBA2, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 2, 2, 2, 2, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGBA4, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, SAMPLER_UNORM, { { 4, 4, 4, 4, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO },
{ GL_RGB5_A1, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, SAMPLER_UNORM, { { 5, 5, 5, 1, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO },
{ GL_RGBA8, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RGBA8_SNORM, GL_RGBA, GL_RGBA, GL_BYTE, SAMPLER_NORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB10_A2, GL_RGBA, GL_RGBA, GL_UNSIGNED_INT_10_10_10_2, SAMPLER_UNORM, { {10,10,10, 2, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO_GL42 },
{ GL_RGB10_A2UI, GL_RGBA, GL_RGBA_INTEGER, GL_UNSIGNED_INT_10_10_10_2, SAMPLER_UINT, { {10,10,10, 2, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO_GL42 },
{ GL_RGBA12, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { {12,12,12,12, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGBA16, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { {16,16,16,16, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
{ GL_RGBA16_SNORM, GL_RGBA, GL_RGBA, GL_SHORT, SAMPLER_NORM, { {16,16,16,16, 0, 0, 0, 0, 0 } }, 0 },
{ GL_SRGB8, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_SRGB8_ALPHA8, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_R16F, GL_RED, GL_RED, GL_HALF_FLOAT, SAMPLER_FLOAT, { {16, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
{ GL_RG16F, GL_RG, GL_RG, GL_HALF_FLOAT, SAMPLER_FLOAT, { {16,16, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
{ GL_RGB16F, GL_RGB, GL_RGB, GL_HALF_FLOAT, SAMPLER_FLOAT, { {16,16,16, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGBA16F, GL_RGBA, GL_RGBA, GL_HALF_FLOAT, SAMPLER_FLOAT, { {16,16,16,16, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
{ GL_R32F, GL_RED, GL_RED, GL_FLOAT, SAMPLER_FLOAT, { {32, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
{ GL_RG32F, GL_RG, GL_RG, GL_FLOAT, SAMPLER_FLOAT, { {32,32, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
{ GL_RGB32F, GL_RGB, GL_RGB, GL_FLOAT, SAMPLER_FLOAT, { {32,32,32, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGBA32F, GL_RGBA, GL_RGBA, GL_FLOAT, SAMPLER_FLOAT, { {32,32,32,32, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
{ GL_R11F_G11F_B10F, GL_RGB, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, SAMPLER_FLOAT, { {11,11,10, 0, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO_GL42 },
{ GL_RGB9_E5, GL_RGB, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, SAMPLER_FLOAT, { { 9, 9, 9, 0, 0, 0, 0, 0, 5 } }, FLAG_PACKED },
{ GL_R8I, GL_RED, GL_RED_INTEGER, GL_BYTE, SAMPLER_INT, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_R8UI, GL_RED, GL_RED_INTEGER, GL_UNSIGNED_BYTE, SAMPLER_UINT, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_R16I, GL_RED, GL_RED_INTEGER, GL_SHORT, SAMPLER_INT, { {16, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_R16UI, GL_RED, GL_RED_INTEGER, GL_UNSIGNED_SHORT, SAMPLER_UINT, { {16, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_R32I, GL_RED, GL_RED_INTEGER, GL_INT, SAMPLER_INT, { {32, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_R32UI, GL_RED, GL_RED_INTEGER, GL_UNSIGNED_INT, SAMPLER_UINT, { {32, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RG8I, GL_RG, GL_RG_INTEGER, GL_BYTE, SAMPLER_INT, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RG8UI, GL_RG, GL_RG_INTEGER, GL_UNSIGNED_BYTE, SAMPLER_UINT, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RG16I, GL_RG, GL_RG_INTEGER, GL_SHORT, SAMPLER_INT, { {16,16, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RG16UI, GL_RG, GL_RG_INTEGER, GL_UNSIGNED_SHORT, SAMPLER_UINT, { {16,16, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RG32I, GL_RG, GL_RG_INTEGER, GL_INT, SAMPLER_INT, { {32,32, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RG32UI, GL_RG, GL_RG_INTEGER, GL_UNSIGNED_INT, SAMPLER_UINT, { {32,32, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RGB8I, GL_RGB, GL_RGB_INTEGER, GL_BYTE, SAMPLER_INT, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB8UI, GL_RGB, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, SAMPLER_UINT, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB16I, GL_RGB, GL_RGB_INTEGER, GL_SHORT, SAMPLER_INT, { {16,16,16, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB16UI, GL_RGB, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, SAMPLER_UINT, { {16,16,16, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB32I, GL_RGB, GL_RGB_INTEGER, GL_INT, SAMPLER_INT, { {32,32,32, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB32UI, GL_RGB, GL_RGB_INTEGER, GL_UNSIGNED_INT, SAMPLER_UINT, { {32,32,32, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGBA8I, GL_RGBA, GL_RGBA_INTEGER, GL_BYTE, SAMPLER_INT, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RGBA8UI, GL_RGBA, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, SAMPLER_UINT, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RGBA16I, GL_RGBA, GL_RGBA_INTEGER, GL_SHORT, SAMPLER_INT, { {16,16,16,16, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RGBA16UI, GL_RGBA, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, SAMPLER_UINT, { {16,16,16,16, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RGBA32I, GL_RGBA, GL_RGBA_INTEGER, GL_INT, SAMPLER_INT, { {32,32,32,32, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RGBA32UI, GL_RGBA, GL_RGBA_INTEGER, GL_UNSIGNED_INT, SAMPLER_UINT, { {32,32,32,32, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,16, 0, 0 } }, FLAG_REQ_RBO },
{ GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,24, 0, 0 } }, FLAG_REQ_RBO },
{ GL_DEPTH_COMPONENT32, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,32, 0, 0 } }, 0 },
{ GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_FLOAT, SAMPLER_FLOAT, { { 0, 0, 0, 0, 0, 0,32, 0, 0 } }, FLAG_REQ_RBO },
{ GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,24, 8, 0 } }, FLAG_REQ_RBO },
{ GL_DEPTH32F_STENCIL8, GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, SAMPLER_FLOAT, { { 0, 0, 0, 0, 0, 0,32, 8, 0 } }, FLAG_PACKED|FLAG_REQ_RBO },
{ GL_COMPRESSED_RED, GL_RED, GL_RED, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
{ GL_COMPRESSED_RG, GL_RG, GL_RG, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
{ GL_COMPRESSED_RGB, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
{ GL_COMPRESSED_RGBA, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
{ GL_COMPRESSED_SRGB, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
{ GL_COMPRESSED_SRGB_ALPHA, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
{ GL_COMPRESSED_RED_RGTC1, GL_RED, GL_RED, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
{ GL_COMPRESSED_SIGNED_RED_RGTC1, GL_RED, GL_RED, GL_BYTE, SAMPLER_NORM, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
{ GL_COMPRESSED_RG_RGTC2, GL_RG, GL_RG, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
{ GL_COMPRESSED_SIGNED_RG_RGTC2, GL_RG, GL_RG, GL_BYTE, SAMPLER_NORM, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_COMPRESSED },
};
static InternalFormat esInternalformats[] =
{
{ GL_LUMINANCE, GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 8, 0, 0, 0 } }, 0 },
{ GL_ALPHA, GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 0, 0, 0, 8, 0, 0, 0, 0, 0 } }, 0 },
{ GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 0, 0, 0, 8, 0, 8, 0, 0, 0 } }, 0 },
{ GL_RGB, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGBA, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, 0 },
{ GL_R8, GL_RED, GL_RED, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_R8_SNORM, GL_RED, GL_RED, GL_BYTE, SAMPLER_NORM, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RG8, GL_RG, GL_RG, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RG8_SNORM, GL_RG, GL_RG, GL_BYTE, SAMPLER_NORM, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB8, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_ES30 },
{ GL_RGB8_SNORM, GL_RGB, GL_RGB, GL_BYTE, SAMPLER_NORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB565, GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, SAMPLER_UNORM, { { 5, 6, 5, 0, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO },
{ GL_RGBA4, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, SAMPLER_UNORM, { { 4, 4, 4, 4, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO },
{ GL_RGB5_A1, GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, SAMPLER_UNORM, { { 5, 5, 5, 1, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO },
{ GL_RGBA8, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RGBA8_SNORM, GL_RGBA, GL_RGBA, GL_BYTE, SAMPLER_NORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB10_A2, GL_RGBA, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, SAMPLER_UNORM, { {10,10,10, 2, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO_ES30 },
{ GL_RGB10_A2UI, GL_RGBA, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, SAMPLER_UINT, { {10,10,10, 2, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO_ES30 },
{ GL_SRGB8, GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_SRGB8_ALPHA8, GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, SAMPLER_UNORM, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_R16F, GL_RED, GL_RED, GL_HALF_FLOAT, SAMPLER_FLOAT, { {16, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
{ GL_RG16F, GL_RG, GL_RG, GL_HALF_FLOAT, SAMPLER_FLOAT, { {16,16, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
{ GL_RGB16F, GL_RGB, GL_RGB, GL_HALF_FLOAT, SAMPLER_FLOAT, { {16,16,16, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGBA16F, GL_RGBA, GL_RGBA, GL_HALF_FLOAT, SAMPLER_FLOAT, { {16,16,16,16, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
{ GL_R32F, GL_RED, GL_RED, GL_FLOAT, SAMPLER_FLOAT, { {32, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
{ GL_RG32F, GL_RG, GL_RG, GL_FLOAT, SAMPLER_FLOAT, { {32,32, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
{ GL_RGB32F, GL_RGB, GL_RGB, GL_FLOAT, SAMPLER_FLOAT, { {32,32,32, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGBA32F, GL_RGBA, GL_RGBA, GL_FLOAT, SAMPLER_FLOAT, { {32,32,32,32, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO_GL42 },
{ GL_R11F_G11F_B10F, GL_RGB, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, SAMPLER_FLOAT, { {11,11,10, 0, 0, 0, 0, 0, 0 } }, FLAG_PACKED|FLAG_REQ_RBO_GL42 },
{ GL_RGB9_E5, GL_RGB, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, SAMPLER_FLOAT, { { 9, 9, 9, 0, 0, 0, 0, 0, 5 } }, FLAG_PACKED },
{ GL_R8I, GL_RED, GL_RED_INTEGER, GL_BYTE, SAMPLER_INT, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_R8UI, GL_RED, GL_RED_INTEGER, GL_UNSIGNED_BYTE, SAMPLER_UINT, { { 8, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_R16I, GL_RED, GL_RED_INTEGER, GL_SHORT, SAMPLER_INT, { {16, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_R16UI, GL_RED, GL_RED_INTEGER, GL_UNSIGNED_SHORT, SAMPLER_UINT, { {16, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_R32I, GL_RED, GL_RED_INTEGER, GL_INT, SAMPLER_INT, { {32, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_R32UI, GL_RED, GL_RED_INTEGER, GL_UNSIGNED_INT, SAMPLER_UINT, { {32, 0, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RG8I, GL_RG, GL_RG_INTEGER, GL_BYTE, SAMPLER_INT, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RG8UI, GL_RG, GL_RG_INTEGER, GL_UNSIGNED_BYTE, SAMPLER_UINT, { { 8, 8, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RG16I, GL_RG, GL_RG_INTEGER, GL_SHORT, SAMPLER_INT, { {16,16, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RG16UI, GL_RG, GL_RG_INTEGER, GL_UNSIGNED_SHORT, SAMPLER_UINT, { {16,16, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RG32I, GL_RG, GL_RG_INTEGER, GL_INT, SAMPLER_INT, { {32,32, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RG32UI, GL_RG, GL_RG_INTEGER, GL_UNSIGNED_INT, SAMPLER_UINT, { {32,32, 0, 0, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RGB8I, GL_RGB, GL_RGB_INTEGER, GL_BYTE, SAMPLER_INT, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB8UI, GL_RGB, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, SAMPLER_UINT, { { 8, 8, 8, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB16I, GL_RGB, GL_RGB_INTEGER, GL_SHORT, SAMPLER_INT, { {16,16,16, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB16UI, GL_RGB, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, SAMPLER_UINT, { {16,16,16, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB32I, GL_RGB, GL_RGB_INTEGER, GL_INT, SAMPLER_INT, { {32,32,32, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGB32UI, GL_RGB, GL_RGB_INTEGER, GL_UNSIGNED_INT, SAMPLER_UINT, { {32,32,32, 0, 0, 0, 0, 0, 0 } }, 0 },
{ GL_RGBA8I, GL_RGBA, GL_RGBA_INTEGER, GL_BYTE, SAMPLER_INT, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RGBA8UI, GL_RGBA, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, SAMPLER_UINT, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RGBA16I, GL_RGBA, GL_RGBA_INTEGER, GL_SHORT, SAMPLER_INT, { {16,16,16,16, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RGBA16UI, GL_RGBA, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, SAMPLER_UINT, { {16,16,16,16, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RGBA32I, GL_RGBA, GL_RGBA_INTEGER, GL_INT, SAMPLER_INT, { {32,32,32,32, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_RGBA32UI, GL_RGBA, GL_RGBA_INTEGER, GL_UNSIGNED_INT, SAMPLER_UINT, { {32,32,32,32, 0, 0, 0, 0, 0 } }, FLAG_REQ_RBO },
{ GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,16, 0, 0 } }, FLAG_REQ_RBO },
{ GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,24, 0, 0 } }, FLAG_REQ_RBO },
{ GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, GL_FLOAT, SAMPLER_FLOAT, { { 0, 0, 0, 0, 0, 0,32, 0, 0 } }, FLAG_REQ_RBO },
{ GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, SAMPLER_UNORM, { { 0, 0, 0, 0, 0, 0,24, 8, 0 } }, FLAG_REQ_RBO },
{ GL_DEPTH32F_STENCIL8, GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, SAMPLER_FLOAT, { { 0, 0, 0, 0, 0, 0,32, 8, 0 } }, FLAG_PACKED|FLAG_REQ_RBO },
};
static const PixelFormat coreFormats[] = {
{ GL_STENCIL_INDEX, 1, FORMAT_STENCIL, GL_STENCIL_ATTACHMENT, { {-1,-1,-1,-1,-1,-1,-1, 0,-1} } },
{ GL_DEPTH_COMPONENT, 1, FORMAT_DEPTH, GL_DEPTH_ATTACHMENT, { {-1,-1,-1,-1,-1,-1, 0,-1,-1} } },
{ GL_DEPTH_STENCIL, 2, FORMAT_DEPTH_STENCIL, GL_DEPTH_STENCIL_ATTACHMENT, { {-1,-1,-1,-1,-1,-1, 0, 1,-1} } },
{ GL_RED, 1, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 0,-1,-1,-1,-1,-1,-1,-1,-1} } },
{ GL_GREEN, 1, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { {-1, 0,-1,-1,-1,-1,-1,-1,-1} } },
{ GL_BLUE, 1, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { {-1,-1, 0,-1,-1,-1,-1,-1,-1} } },
{ GL_RG, 2, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 0, 1,-1,-1,-1,-1,-1,-1,-1} } },
{ GL_RGB, 3, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 0, 1, 2,-1,-1,-1,-1,-1,-1} } },
{ GL_RGBA, 4, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 0, 1, 2, 3,-1,-1,-1,-1,-1} } },
{ GL_BGR, 3, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 2, 1, 0,-1,-1,-1,-1,-1,-1} } },
{ GL_BGRA, 4, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 2, 1, 0, 3,-1,-1,-1,-1,-1} } },
{ GL_RED_INTEGER, 1, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 0,-1,-1,-1,-1,-1,-1,-1,-1} } },
{ GL_GREEN_INTEGER, 1, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { {-1, 0,-1,-1,-1,-1,-1,-1,-1} } },
{ GL_BLUE_INTEGER, 1, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { {-1,-1, 0,-1,-1,-1,-1,-1,-1} } },
{ GL_RG_INTEGER, 2, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 0, 1,-1,-1,-1,-1,-1,-1,-1} } },
{ GL_RGB_INTEGER, 3, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 0, 1, 2,-1,-1,-1,-1,-1,-1} } },
{ GL_RGBA_INTEGER, 4, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 0, 1, 2, 3,-1,-1,-1,-1,-1} } },
{ GL_BGR_INTEGER, 3, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 2, 1, 0,-1,-1,-1,-1,-1,-1} } },
{ GL_BGRA_INTEGER, 4, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 2, 1, 0, 3,-1,-1,-1,-1,-1} } },
};
static const PixelFormat esFormats[] = {
{ GL_DEPTH_COMPONENT, 1, FORMAT_DEPTH, GL_DEPTH_ATTACHMENT, { {-1,-1,-1,-1,-1,-1, 0,-1,-1} } },
{ GL_DEPTH_STENCIL, 2, FORMAT_DEPTH_STENCIL, GL_DEPTH_STENCIL_ATTACHMENT, { {-1,-1,-1,-1,-1,-1, 0, 1,-1} } },
{ GL_RED, 1, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 0,-1,-1,-1,-1,-1,-1,-1,-1} } },
{ GL_RG, 2, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 0, 1,-1,-1,-1,-1,-1,-1,-1} } },
{ GL_RGB, 3, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 0, 1, 2,-1,-1,-1,-1,-1,-1} } },
{ GL_RGBA, 4, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { { 0, 1, 2, 3,-1,-1,-1,-1,-1} } },
{ GL_LUMINANCE, 1, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { {-1,-1,-1,-1,-1, 0,-1,-1,-1} } },
{ GL_ALPHA, 1, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { {-1,-1,-1, 0,-1,-1,-1,-1,-1} } },
{ GL_LUMINANCE_ALPHA, 2, FORMAT_COLOR, GL_COLOR_ATTACHMENT0, { {-1,-1,-1, 1,-1, 0,-1,-1,-1} } },
{ GL_RED_INTEGER, 1, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 0,-1,-1,-1,-1,-1,-1,-1,-1} } },
{ GL_RG_INTEGER, 2, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 0, 1,-1,-1,-1,-1,-1,-1,-1} } },
{ GL_RGB_INTEGER, 3, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 0, 1, 2,-1,-1,-1,-1,-1,-1} } },
{ GL_RGBA_INTEGER, 4, FORMAT_COLOR_INTEGER, GL_COLOR_ATTACHMENT0, { { 0, 1, 2, 3,-1,-1,-1,-1,-1} } },
};
static const PixelType coreTypes[] = {
{ GL_UNSIGNED_BYTE, sizeof(GLubyte), STORAGE_UNSIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, true },
{ GL_BYTE, sizeof(GLbyte), STORAGE_SIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, true },
{ GL_UNSIGNED_SHORT, sizeof(GLushort), STORAGE_UNSIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, true },
{ GL_SHORT, sizeof(GLshort), STORAGE_SIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, true },
{ GL_UNSIGNED_INT, sizeof(GLuint), STORAGE_UNSIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, false },
{ GL_INT, sizeof(GLint), STORAGE_SIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, false },
{ GL_HALF_FLOAT, sizeof(GLhalf), STORAGE_FLOAT, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, false },
{ GL_FLOAT, sizeof(GLfloat), STORAGE_FLOAT, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_SHORT_5_6_5, sizeof(GLushort), STORAGE_UNSIGNED, true, false, { { 5, 6, 5, 0, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_SHORT_4_4_4_4, sizeof(GLushort), STORAGE_UNSIGNED, true, false, { { 4, 4, 4, 4, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_SHORT_5_5_5_1, sizeof(GLushort), STORAGE_UNSIGNED, true, false, { { 5, 5, 5, 1, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_INT_2_10_10_10_REV, sizeof(GLuint), STORAGE_UNSIGNED, true, true, { {10,10,10, 2, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_INT_24_8, sizeof(GLuint), STORAGE_UNSIGNED, true, false, { { 0, 0, 0, 0, 0, 0,24, 8, 0 } }, false },
{ GL_UNSIGNED_INT_10F_11F_11F_REV, sizeof(GLuint), STORAGE_FLOAT, true, true, { { 6, 7, 7, 0, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_INT_5_9_9_9_REV, sizeof(GLuint), STORAGE_FLOAT, true, true, { { 9, 9, 9, 5, 0, 0, 0, 0, 0 } }, false },
{ GL_FLOAT_32_UNSIGNED_INT_24_8_REV, sizeof(GLfloat)+sizeof(GLuint), STORAGE_FLOAT, true, true, { { 0, 0, 0, 0, 0, 0,32, 8,24 } }, false },
{ GL_UNSIGNED_BYTE_3_3_2, sizeof(GLubyte), STORAGE_UNSIGNED, true, false, { { 3, 3, 2, 0, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_BYTE_2_3_3_REV, sizeof(GLubyte), STORAGE_UNSIGNED, true, true, { { 3, 3, 2, 0, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_SHORT_5_6_5_REV, sizeof(GLushort), STORAGE_UNSIGNED, true, true, { { 5, 6, 5, 0, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_SHORT_4_4_4_4_REV, sizeof(GLushort), STORAGE_UNSIGNED, true, true, { { 4, 4, 4, 4, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_SHORT_1_5_5_5_REV, sizeof(GLushort), STORAGE_UNSIGNED, true, true, { { 5, 5, 5, 1, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_INT_8_8_8_8, sizeof(GLuint), STORAGE_UNSIGNED, true, false, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_INT_8_8_8_8_REV, sizeof(GLuint), STORAGE_UNSIGNED, true, true, { { 8, 8, 8, 8, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_INT_10_10_10_2, sizeof(GLuint), STORAGE_UNSIGNED, true, true, { {10,10,10, 2, 0, 0, 0, 0, 0 } }, false },
};
static const PixelType esTypes[] = {
{ GL_UNSIGNED_BYTE, sizeof(GLubyte), STORAGE_UNSIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, true },
{ GL_BYTE, sizeof(GLbyte), STORAGE_SIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, true },
{ GL_UNSIGNED_SHORT, sizeof(GLushort), STORAGE_UNSIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, true },
{ GL_SHORT, sizeof(GLshort), STORAGE_SIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, true },
{ GL_UNSIGNED_INT, sizeof(GLuint), STORAGE_UNSIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, false },
{ GL_INT, sizeof(GLint), STORAGE_SIGNED, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, false },
{ GL_HALF_FLOAT, sizeof(GLhalf), STORAGE_FLOAT, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, false },
{ GL_FLOAT, sizeof(GLfloat), STORAGE_FLOAT, false, false, { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_SHORT_5_6_5, sizeof(GLushort), STORAGE_UNSIGNED, true, false, { { 5, 6, 5, 0, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_SHORT_4_4_4_4, sizeof(GLushort), STORAGE_UNSIGNED, true, false, { { 4, 4, 4, 4, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_SHORT_5_5_5_1, sizeof(GLushort), STORAGE_UNSIGNED, true, false, { { 5, 5, 5, 1, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_INT_2_10_10_10_REV, sizeof(GLuint), STORAGE_UNSIGNED, true, true, { {10,10,10, 2, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_INT_24_8, sizeof(GLuint), STORAGE_UNSIGNED, true, false, { { 0, 0, 0, 0, 0, 0,24, 8, 0 } }, false },
{ GL_UNSIGNED_INT_10F_11F_11F_REV, sizeof(GLuint), STORAGE_FLOAT, true, true, { { 6, 7, 7, 0, 0, 0, 0, 0, 0 } }, false },
{ GL_UNSIGNED_INT_5_9_9_9_REV, sizeof(GLuint), STORAGE_FLOAT, true, true, { { 9, 9, 9, 5, 0, 0, 0, 0, 0 } }, false },
{ GL_FLOAT_32_UNSIGNED_INT_24_8_REV, sizeof(GLfloat)+sizeof(GLuint), STORAGE_FLOAT, true, true, { { 0, 0, 0, 0, 0, 0,32, 8,24 } }, false },
};
static const EnumFormats esValidFormats[] = {
{ GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE, 4, true },
{ GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_BYTE, 4, true },
{ GL_RGBA4, GL_RGBA, GL_UNSIGNED_BYTE, 4, true },
{ GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE, 4, true },
{ GL_RGBA8_SNORM, GL_RGBA, GL_BYTE, 4, false },
{ GL_RGBA4, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, 2, true },
{ GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, 2, true },
{ GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, 4, true },
{ GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, 4, true },
{ GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT, 8, false },
{ GL_RGBA32F, GL_RGBA, GL_FLOAT, 16, false },
{ GL_RGBA16F, GL_RGBA, GL_FLOAT, 16, false },
{ GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, 4, true },
{ GL_RGBA8I, GL_RGBA_INTEGER, GL_BYTE, 4, true },
{ GL_RGBA16UI, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, 8, true },
{ GL_RGBA16I, GL_RGBA_INTEGER, GL_SHORT, 8, true },
{ GL_RGBA32UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT, 16, true },
{ GL_RGBA32I, GL_RGBA_INTEGER, GL_INT, 16, true },
{ GL_RGB10_A2UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, 4, true },
{ GL_RGB8, GL_RGB, GL_UNSIGNED_BYTE, 3, true },
{ GL_RGB565, GL_RGB, GL_UNSIGNED_BYTE, 3, true },
{ GL_SRGB8, GL_RGB, GL_UNSIGNED_BYTE, 3, false },
{ GL_RGB8_SNORM, GL_RGB, GL_BYTE, 3, false },
{ GL_RGB565, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 2, true },
{ GL_R11F_G11F_B10F, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, 4, false },
{ GL_R11F_G11F_B10F, GL_RGB, GL_HALF_FLOAT, 6, false },
{ GL_R11F_G11F_B10F, GL_RGB, GL_FLOAT, 12, false },
{ GL_RGB9_E5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, 4, false },
{ GL_RGB9_E5, GL_RGB, GL_HALF_FLOAT, 6, false },
{ GL_RGB9_E5, GL_RGB, GL_FLOAT, 12, false },
{ GL_RGB16F, GL_RGB, GL_HALF_FLOAT, 6, false },
{ GL_RGB32F, GL_RGB, GL_FLOAT, 12, false },
{ GL_RGB16F, GL_RGB, GL_FLOAT, 12, false },
{ GL_RGB8UI, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, 3, false },
{ GL_RGB8I, GL_RGB_INTEGER, GL_BYTE, 3, false },
{ GL_RGB16UI, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, 6, false },
{ GL_RGB16I, GL_RGB_INTEGER, GL_SHORT, 6, false },
{ GL_RGB32UI, GL_RGB_INTEGER, GL_UNSIGNED_INT, 12, false },
{ GL_RGB32I, GL_RGB_INTEGER, GL_INT, 12, false },
{ GL_RG8, GL_RG, GL_UNSIGNED_BYTE, 2, true },
{ GL_RG8_SNORM, GL_RG, GL_BYTE, 2, false },
{ GL_RG16F, GL_RG, GL_HALF_FLOAT, 4, false },
{ GL_RG32F, GL_RG, GL_FLOAT, 8, false },
{ GL_RG16F, GL_RG, GL_FLOAT, 8, false },
{ GL_RG8UI, GL_RG_INTEGER, GL_UNSIGNED_BYTE, 2, true },
{ GL_RG8I, GL_RG_INTEGER, GL_BYTE, 2, true },
{ GL_RG16UI, GL_RG_INTEGER, GL_UNSIGNED_SHORT, 4, true },
{ GL_RG16I, GL_RG_INTEGER, GL_SHORT, 4, true },
{ GL_RG32UI, GL_RG_INTEGER, GL_UNSIGNED_INT, 8, true },
{ GL_RG32I, GL_RG_INTEGER, GL_INT, 8, true },
{ GL_R8, GL_RED, GL_UNSIGNED_BYTE, 1, true },
{ GL_R8_SNORM, GL_RED, GL_BYTE, 1, false },
{ GL_R16F, GL_RED, GL_HALF_FLOAT, 2, false },
{ GL_R32F, GL_RED, GL_FLOAT, 4, false },
{ GL_R16F, GL_RED, GL_FLOAT, 4, false },
{ GL_R8UI, GL_RED_INTEGER, GL_UNSIGNED_BYTE, 1, true },
{ GL_R8I, GL_RED_INTEGER, GL_BYTE, 1, true },
{ GL_R16UI, GL_RED_INTEGER, GL_UNSIGNED_SHORT, 2, true },
{ GL_R16I, GL_RED_INTEGER, GL_SHORT, 2, true },
{ GL_R32UI, GL_RED_INTEGER, GL_UNSIGNED_INT, 4, true },
{ GL_R32I, GL_RED_INTEGER, GL_INT, 4, true },
{ GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, 4, true },
{ GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, 4, true },
{ GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, 2, true },
{ GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_FLOAT, 4, true },
{ GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, 4, true },
{ GL_DEPTH32F_STENCIL8, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, 8, true },
{ GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, 4, true },
{ GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, 2, true },
{ GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, 2, true },
{ GL_RGB, GL_RGB, GL_UNSIGNED_BYTE, 3, true },
{ GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 2, true },
{ GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, 2, false },
{ GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE, 1, false },
{ GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE, 1, false },
};
static const EnumFormats coreValidFormats[] = {
{ GL_RGB, GL_RGB, GL_UNSIGNED_BYTE_3_3_2, 3, true },
{ GL_RGB_INTEGER, GL_RGB_INTEGER, GL_UNSIGNED_BYTE_3_3_2, 3, true },
{ GL_RGB, GL_RGB, GL_UNSIGNED_BYTE_2_3_3_REV, 3, true },
{ GL_RGB_INTEGER, GL_RGB_INTEGER, GL_UNSIGNED_BYTE_2_3_3_REV, 3, true },
{ GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 3, true },
{ GL_RGB_INTEGER, GL_RGB_INTEGER, GL_UNSIGNED_SHORT_5_6_5, 3, true },
{ GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5_REV, 3, true },
{ GL_RGB_INTEGER, GL_RGB_INTEGER, GL_UNSIGNED_SHORT_5_6_5_REV, 3, true },
{ GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, 4, true },
{ GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4_REV, 4, true },
{ GL_RGBA_INTEGER, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT_4_4_4_4, 4, true },
{ GL_RGBA_INTEGER, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT_4_4_4_4_REV, 4, true },
{ GL_BGRA, GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV, 4, true },
{ GL_BGRA, GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4, 4, true },
{ GL_BGRA_INTEGER, GL_BGRA_INTEGER, GL_UNSIGNED_SHORT_4_4_4_4_REV, 4, true },
{ GL_BGRA_INTEGER, GL_BGRA_INTEGER, GL_UNSIGNED_SHORT_4_4_4_4, 4, true },
{ GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, 4, true },
{ GL_BGRA, GL_BGRA, GL_UNSIGNED_SHORT_5_5_5_1, 4, true },
{ GL_RGBA_INTEGER, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT_5_5_5_1, 4, true },
{ GL_BGRA_INTEGER, GL_BGRA_INTEGER, GL_UNSIGNED_SHORT_5_5_5_1, 4, true },
{ GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 4, true },
{ GL_BGRA, GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV, 4, true },
{ GL_RGBA_INTEGER, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT_1_5_5_5_REV, 4, true },
{ GL_BGRA_INTEGER, GL_BGRA_INTEGER, GL_UNSIGNED_SHORT_1_5_5_5_REV, 4, true },
{ GL_RGBA, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8, 4, true },
{ GL_BGRA, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8, 4, true },
{ GL_RGBA_INTEGER, GL_RGBA_INTEGER, GL_UNSIGNED_INT_8_8_8_8, 4, true },
{ GL_BGRA_INTEGER, GL_BGRA_INTEGER, GL_UNSIGNED_INT_8_8_8_8, 4, true },
{ GL_RGBA, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, 4, true },
{ GL_BGRA, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, 4, true },
{ GL_RGBA_INTEGER, GL_RGBA_INTEGER, GL_UNSIGNED_INT_8_8_8_8_REV, 4, true },
{ GL_BGRA_INTEGER, GL_BGRA_INTEGER, GL_UNSIGNED_INT_8_8_8_8_REV, 4, true },
{ GL_RGBA, GL_RGBA, GL_UNSIGNED_INT_10_10_10_2, 4, true },
{ GL_BGRA, GL_BGRA, GL_UNSIGNED_INT_10_10_10_2, 4, true },
{ GL_RGBA_INTEGER, GL_RGBA_INTEGER, GL_UNSIGNED_INT_10_10_10_2, 4, true },
{ GL_BGRA_INTEGER, GL_BGRA_INTEGER, GL_UNSIGNED_INT_10_10_10_2, 4, true },
{ GL_RGBA, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, 4, true },
{ GL_BGRA, GL_BGRA, GL_UNSIGNED_INT_2_10_10_10_REV, 4, true },
{ GL_RGBA_INTEGER, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, 4, true },
{ GL_BGRA_INTEGER, GL_BGRA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, 4, true },
{ GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, 2, true },
{ GL_RGB, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, 3, true },
{ GL_RGB, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, 4, true },
{ GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, 2, true },
};
static const EnumFormats validformats_EXT_texture_type_2_10_10_10_REV[] = {
{ GL_RGBA, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV_EXT, 4, false },
{ GL_RGB, GL_RGB, GL_UNSIGNED_INT_2_10_10_10_REV_EXT, 3, false }
};
// Valid combinations given by GL_EXT_texture_type_2_10_10_10_REV and
// GL_OES_required_internalformat extensions
static const EnumFormats validformats_OES_required_internalformat[] = {
{ GL_RGB8_OES, GL_RGB, GL_UNSIGNED_INT_2_10_10_10_REV_EXT, 3, true },
{ GL_RGB565, GL_RGB, GL_UNSIGNED_INT_2_10_10_10_REV_EXT, 4, true }
};
// Companion type for GL_FLOAT_32_UNSIGNED_INT_24_8_REV. Stencil part was
// not split into 24/8 to avoid any packing related issues from compiler.
struct F_32_UINT_24_8_REV
{
GLfloat d;
GLuint s;
};
// custom pixel data type. holds both float and integer pixel data. memory consuming, but
// it is not that relavant in this case. makes comparing more reliable and flexible
struct FloatPixel
{
int i_r;
int i_g;
int i_b;
int i_a;
int i_d;
int i_s;
unsigned int ui_r;
unsigned int ui_g;
unsigned int ui_b;
unsigned int ui_a;
unsigned int ui_d;
unsigned int ui_s;
float r;
float g;
float b;
float a;
float d;
float s;
};
static const int NUM_FLOAT_PIXEL_COUNT = sizeof(FloatPixel) / sizeof(float);
typedef int rawIntPixel[4];
typedef unsigned int rawUintPixel[4];
typedef float rawFloatPixel[4];
struct PackedPixelsBufferProperties
{
int elementsInGroup; // number of elements in a group
int rowLength; // number of groups in the row
int alignment; // alignment (in bytes)
int elementSize; // size of an element (in bytes)
int elementsInRow; // row size (in elements)
int elementsInRowNoAlign; // row size (in elements) without alignment
int rowCount; // number of rows in 2D image
int imagesCount; // number of 2D images in 3D image
int skipPixels; // (UN)PACK_SKIP_PIXELS
int skipRows; // (UN)PACK_SKIP_ROWS
int skipImages; // (UN)PACK_SKIP_IMAGES
int swapBytes;
int lsbFirst;
};
std::string getTypeStr(GLenum type)
{
// this function extends glu::getTypeStr by types used in this tests
typedef std::map<GLenum, std::string> TypeMap;
static TypeMap typeMap;
if (typeMap.empty())
{
typeMap[GL_UNSIGNED_BYTE_3_3_2] = "GL_UNSIGNED_BYTE_3_3_2";
typeMap[GL_UNSIGNED_BYTE_2_3_3_REV] = "GL_UNSIGNED_BYTE_2_3_3_REV";
typeMap[GL_UNSIGNED_SHORT_5_6_5_REV] = "GL_UNSIGNED_SHORT_5_6_5_REV";
typeMap[GL_UNSIGNED_SHORT_4_4_4_4_REV] = "GL_UNSIGNED_SHORT_4_4_4_4_REV";
typeMap[GL_UNSIGNED_SHORT_1_5_5_5_REV] = "GL_UNSIGNED_SHORT_1_5_5_5_REV";
typeMap[GL_UNSIGNED_INT_8_8_8_8] = "GL_UNSIGNED_INT_8_8_8_8";
typeMap[GL_UNSIGNED_INT_8_8_8_8_REV] = "GL_UNSIGNED_INT_8_8_8_8_REV";
typeMap[GL_UNSIGNED_INT_10_10_10_2] = "GL_UNSIGNED_INT_10_10_10_2";
}
TypeMap::iterator it = typeMap.find(type);
if (it == typeMap.end())
{
// if type is not in map use glu function
return glu::getTypeStr(type).toString();
}
return it->second;
}
std::string getFormatStr(GLenum format)
{
// this function extends glu::getTextureFormatStr by types used in this tests
typedef std::map<GLenum, std::string> FormatMap;
static FormatMap formatMap;
if (formatMap.empty())
{
formatMap[GL_GREEN] = "GL_GREEN";
formatMap[GL_BLUE] = "GL_BLUE";
formatMap[GL_GREEN_INTEGER] = "GL_GREEN_INTEGER";
formatMap[GL_BLUE_INTEGER] = "GL_BLUE_INTEGER";
formatMap[GL_BGR] = "GL_BGR";
formatMap[GL_BGR_INTEGER] = "GL_BGR_INTEGER";
formatMap[GL_BGRA_INTEGER] = "GL_BGRA_INTEGER";
formatMap[GL_R3_G3_B2] = "GL_R3_G3_B2";
formatMap[GL_RGB4] = "GL_RGB4";
formatMap[GL_RGB5] = "GL_RGB5";
formatMap[GL_RGB12] = "GL_RGB12";
formatMap[GL_RGBA2] = "GL_RGBA2";
formatMap[GL_RGBA12] = "GL_RGBA12";
formatMap[GL_COMPRESSED_RED] = "GL_COMPRESSED_RED";
formatMap[GL_COMPRESSED_RG] = "GL_COMPRESSED_RG";
formatMap[GL_COMPRESSED_RGB] = "GL_COMPRESSED_RGB";
formatMap[GL_COMPRESSED_RGBA] = "GL_COMPRESSED_RGBA";
formatMap[GL_COMPRESSED_SRGB] = "GL_COMPRESSED_SRGB";
formatMap[GL_COMPRESSED_SRGB_ALPHA] = "GL_COMPRESSED_SRGB_ALPHA";
formatMap[GL_COMPRESSED_RED_RGTC1] = "GL_COMPRESSED_RED_RGTC1";
formatMap[GL_COMPRESSED_SIGNED_RED_RGTC1] = "GL_COMPRESSED_SIGNED_RED_RGTC1";
formatMap[GL_COMPRESSED_RG_RGTC2] = "GL_COMPRESSED_RG_RGTC2";
formatMap[GL_COMPRESSED_SIGNED_RG_RGTC2] = "GL_COMPRESSED_SIGNED_RG_RGTC2";
formatMap[GL_STENCIL_INDEX] = "GL_STENCIL_INDEX";
}
FormatMap::iterator it = formatMap.find(format);
if (it == formatMap.end())
{
// if format is not in map use glu function
return glu::getTextureFormatStr(format).toString();
}
return it->second;
}
std::string getModeStr(GLenum type)
{
typedef std::map<GLenum, std::string> ModeMap;
static ModeMap modeMap;
if (modeMap.empty())
{
modeMap[GL_UNPACK_ROW_LENGTH] = "GL_UNPACK_ROW_LENGTH";
modeMap[GL_UNPACK_SKIP_ROWS] = "GL_UNPACK_SKIP_ROWS";
modeMap[GL_UNPACK_SKIP_PIXELS] = "GL_UNPACK_SKIP_PIXELS";
modeMap[GL_UNPACK_ALIGNMENT] = "GL_UNPACK_ALIGNMENT";
modeMap[GL_UNPACK_IMAGE_HEIGHT] = "GL_UNPACK_IMAGE_HEIGHT";
modeMap[GL_UNPACK_SKIP_IMAGES] = "GL_UNPACK_SKIP_IMAGES";
modeMap[GL_PACK_ROW_LENGTH] = "GL_PACK_ROW_LENGTH";
modeMap[GL_PACK_SKIP_ROWS] = "GL_PACK_SKIP_ROWS";
modeMap[GL_PACK_SKIP_PIXELS] = "GL_PACK_SKIP_PIXELS";
modeMap[GL_PACK_ALIGNMENT] = "GL_PACK_ALIGNMENT";
modeMap[GL_UNPACK_SWAP_BYTES] = "GL_UNPACK_SWAP_BYTES";
modeMap[GL_UNPACK_LSB_FIRST] = "GL_UNPACK_LSB_FIRST";
modeMap[GL_PACK_SWAP_BYTES] = "GL_PACK_SWAP_BYTES";
modeMap[GL_PACK_LSB_FIRST] = "GL_PACK_LSB_FIRST";
modeMap[GL_PACK_IMAGE_HEIGHT] = "GL_PACK_IMAGE_HEIGHT";
modeMap[GL_PACK_SKIP_IMAGES] = "GL_PACK_SKIP_IMAGES";
}
ModeMap::iterator it = modeMap.find(type);
if (it == modeMap.end())
TCU_FAIL("Unknown mode name");
return it->second;
}
class RectangleTest : public deqp::TestCase
{
public:
RectangleTest(deqp::Context& context, std::string& name, InternalFormat internalFormat);
virtual ~RectangleTest();
void resetInitialStorageModes();
void applyInitialStorageModes();
void testAllFormatsAndTypes();
virtual tcu::TestNode::IterateResult iterate(void);
protected:
void createGradient();
void swapBytes(int typeSize, std::vector<GLbyte>& dataBuffer);
template <typename Type>
void makeGradient(Type (*unpack)(float));
template <typename Type>
static Type unpackSizedComponents(float value, int s1, int s2, int s3, int s4);
template <typename Type>
static Type unpackSizedComponentsRev(float value, int s1, int s2, int s3, int s4);
static GLubyte unpack_UNSIGNED_BYTE(float value);
static GLbyte unpack_BYTE(float value);
static GLushort unpack_UNSIGNED_SHORT(float value);
static GLshort unpack_SHORT(float value);
static GLuint unpack_UNSIGNED_INT(float value);
static GLint unpack_INT(float value);
static GLhalf unpack_HALF_FLOAT(float value);
static GLfloat unpack_FLOAT(float value);
static GLubyte unpack_UNSIGNED_BYTE_3_3_2(float value);
static GLubyte unpack_UNSIGNED_BYTE_2_3_3_REV(float value);
static GLushort unpack_UNSIGNED_SHORT_5_6_5_REV(float value);
static GLushort unpack_UNSIGNED_SHORT_4_4_4_4_REV(float value);
static GLushort unpack_UNSIGNED_SHORT_1_5_5_5_REV(float value);
static GLuint unpack_UNSIGNED_INT_8_8_8_8(float value);
static GLuint unpack_UNSIGNED_INT_8_8_8_8_REV(float value);
static GLuint unpack_UNSIGNED_INT_10_10_10_2(float value);
static GLushort unpack_UNSIGNED_SHORT_5_6_5(float value);
static GLushort unpack_UNSIGNED_SHORT_4_4_4_4(float value);
static GLushort unpack_UNSIGNED_SHORT_5_5_5_1(float value);
static GLuint unpack_UNSIGNED_INT_2_10_10_10_REV(float value);
static GLuint unpack_UNSIGNED_INT_24_8(float value);
static GLuint unpack_UNSIGNED_INT_5_9_9_9_REV(float value);
static GLuint unpack_UNSIGNED_INT_10F_11F_11F_REV(float value);
static F_32_UINT_24_8_REV unpack_FLOAT_32_UNSIGNED_INT_24_8_REV(float value);
bool isFormatValid(const PixelFormat& format, const PixelType& type, const struct InternalFormat& internalformat,
bool checkInput, bool checkOutput, int operation) const;
bool isUnsizedFormat(GLenum format) const;
bool isSRGBFormat(const InternalFormat& internalFormat) const;
bool isSNORMFormat(const InternalFormat& internalFormat) const;
bool isCopyValid(const InternalFormat& copyInternalFormat, const InternalFormat& internalFormat) const;
bool isFBOImageAttachValid(const InternalFormat& internalformat, GLenum format, GLenum type) const;
const PixelFormat& getPixelFormat(GLenum format) const;
const PixelType& getPixelType(GLenum type) const;
const EnumFormats* getCanonicalFormat(const InternalFormat& internalformat, GLenum format, GLenum type) const;
InternalFormatSamplerType getSampler(const PixelType& type, const PixelFormat& format) const;
GLenum readOutputData(const PixelFormat& outputFormat, const PixelType& outputType, int operation);
bool doCopy();
bool doCopyInner();
bool compare(GLvoid* gradient, GLvoid* data, const PixelFormat& outputFormat, const PixelType& outputType,
bool isCopy) const;
void getFloatBuffer(GLvoid* gradient, int samplerIsIntUintFloat, const PixelFormat& format, const PixelType& type,
int elementCount, std::vector<FloatPixel>& result) const;
void getBits(const PixelType& type, const PixelFormat& format, std::vector<int>& resultTable) const;
template <typename Type>
void makeBuffer(const GLvoid* gradient, const PixelFormat& format, int samplerIsIntUintFloat, int elementCount,
int componentCount, float (*pack)(Type), std::vector<FloatPixel>& result) const;
template <typename Type>
void makeBufferPackedInt(const GLvoid* gradient, const PixelFormat& format, int elementCount,
void (*pack)(rawIntPixel*, Type), std::vector<FloatPixel>& result) const;
template <typename Type>
void makeBufferPackedUint(const GLvoid* gradient, const PixelFormat& format, int elementCount,
void (*pack)(rawUintPixel*, Type), std::vector<FloatPixel>& result) const;
template <typename Type>
void makeBufferPackedFloat(const GLvoid* gradient, const PixelFormat& format, int elementCount,
void (*pack)(rawFloatPixel*, Type), std::vector<FloatPixel>& result) const;
FloatPixel orderComponentsInt(rawIntPixel values, const PixelFormat& format) const;
FloatPixel orderComponentsUint(rawUintPixel values, const PixelFormat& format) const;
FloatPixel orderComponentsFloat(rawFloatPixel values, const PixelFormat& format) const;
unsigned int getRealBitPrecision(int bits, bool isFloat) const;
bool stripBuffer(const PackedPixelsBufferProperties& props, const GLubyte* orginalBuffer,
std::vector<GLubyte>& newBuffer, bool validate) const;
int clampSignedValue(int bits, int value) const;
unsigned int clampUnsignedValue(int bits, unsigned int value) const;
static float pack_UNSIGNED_BYTE(GLubyte value);
static float pack_BYTE(GLbyte value);
static float pack_UNSIGNED_SHORT(GLushort value);
static float pack_SHORT(GLshort value);
static float pack_UNSIGNED_INT(GLuint value);
static float pack_INT(GLint value);
static float pack_HALF_FLOAT(GLhalf value);
static float pack_FLOAT(GLfloat value);
static void pack_UNSIGNED_BYTE_3_3_2(rawFloatPixel* values, GLubyte value);
static void pack_UNSIGNED_BYTE_3_3_2_UINT(rawUintPixel* values, GLubyte value);
static void pack_UNSIGNED_BYTE_3_3_2_INT(rawIntPixel* values, GLubyte value);
static void pack_UNSIGNED_BYTE_2_3_3_REV(rawFloatPixel* values, GLubyte value);
static void pack_UNSIGNED_BYTE_2_3_3_REV_UINT(rawUintPixel* values, GLubyte value);
static void pack_UNSIGNED_BYTE_2_3_3_REV_INT(rawIntPixel* values, GLubyte value);
static void pack_UNSIGNED_SHORT_5_6_5(rawFloatPixel* values, GLushort value);
static void pack_UNSIGNED_SHORT_5_6_5_UINT(rawUintPixel* values, GLushort value);
static void pack_UNSIGNED_SHORT_5_6_5_INT(rawIntPixel* values, GLushort value);
static void pack_UNSIGNED_SHORT_5_6_5_REV(rawFloatPixel* values, GLushort value);
static void pack_UNSIGNED_SHORT_5_6_5_REV_UINT(rawUintPixel* values, GLushort value);
static void pack_UNSIGNED_SHORT_5_6_5_REV_INT(rawIntPixel* values, GLushort value);
static void pack_UNSIGNED_SHORT_4_4_4_4(rawFloatPixel* values, GLushort value);
static void pack_UNSIGNED_SHORT_4_4_4_4_UINT(rawUintPixel* values, GLushort value);
static void pack_UNSIGNED_SHORT_4_4_4_4_INT(rawIntPixel* values, GLushort value);
static void pack_UNSIGNED_SHORT_4_4_4_4_REV(rawFloatPixel* values, GLushort value);
static void pack_UNSIGNED_SHORT_4_4_4_4_REV_UINT(rawUintPixel* values, GLushort value);
static void pack_UNSIGNED_SHORT_4_4_4_4_REV_INT(rawIntPixel* values, GLushort value);
static void pack_UNSIGNED_SHORT_5_5_5_1(rawFloatPixel* values, GLushort value);
static void pack_UNSIGNED_SHORT_5_5_5_1_UINT(rawUintPixel* values, GLushort value);
static void pack_UNSIGNED_SHORT_5_5_5_1_INT(rawIntPixel* values, GLushort value);
static void pack_UNSIGNED_SHORT_1_5_5_5_REV(rawFloatPixel* values, GLushort value);
static void pack_UNSIGNED_SHORT_1_5_5_5_REV_UINT(rawUintPixel* values, GLushort value);
static void pack_UNSIGNED_SHORT_1_5_5_5_REV_INT(rawIntPixel* values, GLushort value);
static void pack_UNSIGNED_INT_8_8_8_8(rawFloatPixel* values, GLuint value);
static void pack_UNSIGNED_INT_8_8_8_8_UINT(rawUintPixel* values, GLuint value);
static void pack_UNSIGNED_INT_8_8_8_8_INT(rawIntPixel* values, GLuint value);
static void pack_UNSIGNED_INT_8_8_8_8_REV(rawFloatPixel* values, GLuint value);
static void pack_UNSIGNED_INT_8_8_8_8_REV_UINT(rawUintPixel* values, GLuint value);
static void pack_UNSIGNED_INT_8_8_8_8_REV_INT(rawIntPixel* values, GLuint value);
static void pack_UNSIGNED_INT_10_10_10_2(rawFloatPixel* values, GLuint value);
static void pack_UNSIGNED_INT_10_10_10_2_UINT(rawUintPixel* values, GLuint value);
static void pack_UNSIGNED_INT_10_10_10_2_INT(rawIntPixel* values, GLuint value);
static void pack_UNSIGNED_INT_2_10_10_10_REV(rawFloatPixel* values, GLuint value);
static void pack_UNSIGNED_INT_2_10_10_10_REV_UINT(rawUintPixel* values, GLuint value);
static void pack_UNSIGNED_INT_2_10_10_10_REV_INT(rawIntPixel* values, GLuint value);
static void pack_UNSIGNED_INT_24_8(rawFloatPixel* values, GLuint value);
static void pack_UNSIGNED_INT_10F_11F_11F_REV(rawFloatPixel* values, GLuint value);
static void pack_UNSIGNED_INT_5_9_9_9_REV(rawFloatPixel* values, GLuint value);
static void pack_FLOAT_32_UNSIGNED_INT_24_8_REV(rawFloatPixel* values, F_32_UINT_24_8_REV value);
bool getTexImage();
bool getTexImageInner(const PixelFormat& outputFormat, const PixelType& outputType);
bool doRead(GLuint texture);
bool readPixels(bool isCopy);
bool readPixelsInner(const PixelFormat& outputFormat, const PixelType& outputType, bool isCopy);
protected:
const InternalFormat m_internalFormat;
bool m_usePBO;
GLenum m_textureTarget;
PackedPixelsBufferProperties m_initialPackProperties;
PackedPixelsBufferProperties m_initialUnpackProperties;
std::vector<GLbyte> m_gradient;
const GLubyte m_defaultFillValue;
public:
// debuf counters
static int m_countReadPixels;
static int m_countReadPixelsOK;
static int m_countGetTexImage;
static int m_countGetTexImageOK;
static int m_countCompare;
static int m_countCompareOK;
private:
// those attribute change multiple times during test execution
PixelFormat m_inputFormat;
PixelType m_inputType;
InternalFormat m_copyInternalFormat;
PackedPixelsBufferProperties m_packProperties;
PackedPixelsBufferProperties m_unpackProperties;
std::vector<GLbyte> m_outputBuffer;
};
int RectangleTest::m_countReadPixels = 0;
int RectangleTest::m_countReadPixelsOK = 0;
int RectangleTest::m_countGetTexImage = 0;
int RectangleTest::m_countGetTexImageOK = 0;
int RectangleTest::m_countCompare = 0;
int RectangleTest::m_countCompareOK = 0;
RectangleTest::RectangleTest(deqp::Context& context, std::string& name, InternalFormat internalFormat)
: deqp::TestCase(context, name.c_str(), "")
, m_internalFormat(internalFormat)
, m_usePBO(false)
, m_textureTarget(GL_TEXTURE_2D)
, m_defaultFillValue(0xaa)
{
}
RectangleTest::~RectangleTest()
{
}
void RectangleTest::resetInitialStorageModes()
{
m_initialPackProperties.skipPixels = 0;
m_initialPackProperties.skipRows = 0;
m_initialPackProperties.rowLength = 0;
m_initialPackProperties.alignment = 4;
m_initialPackProperties.rowCount = 0;
m_initialPackProperties.skipImages = 0;
m_initialPackProperties.lsbFirst = 0;
m_initialPackProperties.swapBytes = 0;
m_initialUnpackProperties.skipPixels = 0;
m_initialUnpackProperties.skipRows = 0;
m_initialUnpackProperties.rowLength = 0;
m_initialUnpackProperties.alignment = 4;
m_initialUnpackProperties.rowCount = 0;
m_initialUnpackProperties.skipImages = 0;
m_initialUnpackProperties.lsbFirst = 0;
m_initialUnpackProperties.swapBytes = 0;
}
void RectangleTest::applyInitialStorageModes()
{
glu::RenderContext& renderContext = m_context.getRenderContext();
const Functions& gl = renderContext.getFunctions();
PackedPixelsBufferProperties& up = m_initialUnpackProperties;
PackedPixelsBufferProperties& pp = m_initialPackProperties;
m_unpackProperties = up;
m_packProperties = pp;
gl.pixelStorei(GL_PACK_ROW_LENGTH, pp.rowLength);
gl.pixelStorei(GL_PACK_SKIP_ROWS, pp.skipRows);
gl.pixelStorei(GL_PACK_SKIP_PIXELS, pp.skipPixels);
gl.pixelStorei(GL_PACK_ALIGNMENT, pp.alignment);
gl.pixelStorei(GL_UNPACK_ROW_LENGTH, up.rowLength);
gl.pixelStorei(GL_UNPACK_SKIP_ROWS, up.skipRows);
gl.pixelStorei(GL_UNPACK_SKIP_PIXELS, up.skipPixels);
gl.pixelStorei(GL_UNPACK_ALIGNMENT, up.alignment);
gl.pixelStorei(GL_UNPACK_IMAGE_HEIGHT, up.rowCount);
gl.pixelStorei(GL_UNPACK_SKIP_IMAGES, up.skipImages);
if (!isContextTypeES(renderContext.getType()))
{
gl.pixelStorei(GL_PACK_IMAGE_HEIGHT, pp.rowCount);
gl.pixelStorei(GL_PACK_SKIP_IMAGES, pp.skipImages);
gl.pixelStorei(GL_PACK_SWAP_BYTES, pp.swapBytes);
gl.pixelStorei(GL_PACK_LSB_FIRST, pp.lsbFirst);
gl.pixelStorei(GL_UNPACK_SWAP_BYTES, up.swapBytes);
gl.pixelStorei(GL_UNPACK_LSB_FIRST, up.lsbFirst);
}
}
void RectangleTest::swapBytes(int typeSize, std::vector<GLbyte>& dataBuffer)
{
int bufferSize = dataBuffer.size();
switch (typeSize)
{
case 1:
break; // no swapping
case 2:
{
GLushort* data = reinterpret_cast<GLushort*>(&dataBuffer[0]);
for (int i = 0; i < bufferSize / 2; i++)
{
GLushort v = data[i];
data[i] = ((v & 0xff) << 8) + ((v & 0xff00) >> 8);
}
break;
}
case 4:
case 8: // typeSize is 2 x 32bit, behaves the same this time
{
GLuint* data = reinterpret_cast<GLuint*>(&dataBuffer[0]);
for (int i = 0; i < bufferSize / 4; i++)
{
GLuint v = data[i];
data[i] = ((v & 0xff) << 24) + ((v & 0xff00) << 8) + ((v & 0xff0000) >> 8) + ((v & 0xff000000) >> 24);
}
break;
}
default:
TCU_FAIL("Invalid size for swapBytes");
}
}
const PixelFormat& RectangleTest::getPixelFormat(GLenum format) const
{
const PixelFormat* formats;
int formatsCount;
if (glu::isContextTypeES(m_context.getRenderContext().getType()))
{
formats = esFormats;
formatsCount = DE_LENGTH_OF_ARRAY(esFormats);
}
else
{
formats = coreFormats;
formatsCount = DE_LENGTH_OF_ARRAY(coreFormats);
}
// Look up pixel format from a GL enum
for (int i = 0; i < formatsCount; i++)
{
if (formats[i].format == format)
return formats[i];
}
TCU_FAIL("Unsuported format.");
return formats[0];
}
const PixelType& RectangleTest::getPixelType(GLenum type) const
{
const PixelType* types;
int typesCount;
if (glu::isContextTypeES(m_context.getRenderContext().getType()))
{
types = esTypes;
typesCount = DE_LENGTH_OF_ARRAY(esTypes);
}
else
{
types = coreTypes;
typesCount = DE_LENGTH_OF_ARRAY(coreTypes);
}
for (int i = 0; i < typesCount; i++)
{
if (types[i].type == type)
return types[i];
}
TCU_FAIL("Unsuported type.");
return types[0];
}
const EnumFormats* RectangleTest::getCanonicalFormat(const InternalFormat& internalformat, GLenum format,
GLenum type) const
{
// function returns a canonical format from internal format. for example
// GL_RGBA16F => { GL_RGBA, GL_FLOAT }; used mostly for GLES tests
if (glu::isContextTypeES(m_context.getRenderContext().getType()))
{
for (int i = 0; i < DE_LENGTH_OF_ARRAY(esValidFormats); ++i)
{
if ((esValidFormats[i].internalformat == internalformat.sizedFormat) &&
(esValidFormats[i].format == format) && (esValidFormats[i].type == type))
{
return &(esValidFormats[i]);
}
}
const glu::ContextInfo& contextInfo = m_context.getContextInfo();
if (contextInfo.isExtensionSupported("GL_EXT_texture_type_2_10_10_10_REV"))
{
for (int i = 0; i < DE_LENGTH_OF_ARRAY(validformats_EXT_texture_type_2_10_10_10_REV); ++i)
{
if (validformats_EXT_texture_type_2_10_10_10_REV[i].internalformat == internalformat.sizedFormat &&
validformats_EXT_texture_type_2_10_10_10_REV[i].format == format &&
validformats_EXT_texture_type_2_10_10_10_REV[i].type == type)
{
return &(validformats_EXT_texture_type_2_10_10_10_REV[i]);
}
}
if (contextInfo.isExtensionSupported("GL_OES_required_internalformat"))
{
for (int i = 0; i < DE_LENGTH_OF_ARRAY(validformats_OES_required_internalformat); ++i)
{
if (validformats_OES_required_internalformat[i].internalformat == internalformat.sizedFormat &&
validformats_OES_required_internalformat[i].format == format &&
validformats_OES_required_internalformat[i].type == type)
{
return &(validformats_OES_required_internalformat[i]);
}
}
}
}
}
else
{
for (int i = 0; i < DE_LENGTH_OF_ARRAY(coreValidFormats); ++i)
{
if ((coreValidFormats[i].internalformat == internalformat.sizedFormat) &&
(coreValidFormats[i].format == format) && (coreValidFormats[i].type == type))
{
return &(coreValidFormats[i]);
}
}
}
return 0;
}
InternalFormatSamplerType RectangleTest::getSampler(const PixelType& type, const PixelFormat& format) const
{
switch (type.storage)
{
case STORAGE_FLOAT:
return SAMPLER_FLOAT;
case STORAGE_UNSIGNED:
if ((format.componentFormat == FORMAT_COLOR_INTEGER) || (format.componentFormat == FORMAT_STENCIL))
return SAMPLER_UINT;
return SAMPLER_UNORM;
case STORAGE_SIGNED:
if (format.componentFormat == FORMAT_COLOR_INTEGER)
return SAMPLER_INT;
return SAMPLER_NORM;
default:
TCU_FAIL("Invalid storage specifier");
}
}
void RectangleTest::createGradient()
{
switch (m_inputType.type)
{
case GL_UNSIGNED_BYTE:
makeGradient(unpack_UNSIGNED_BYTE);
break;
case GL_BYTE:
makeGradient<GLbyte>(unpack_BYTE);
break;
case GL_UNSIGNED_SHORT:
makeGradient<GLushort>(unpack_UNSIGNED_SHORT);
break;
case GL_SHORT:
makeGradient<GLshort>(unpack_SHORT);
break;
case GL_UNSIGNED_INT:
makeGradient<GLuint>(unpack_UNSIGNED_INT);
break;
case GL_INT:
makeGradient<GLint>(unpack_INT);
break;
case GL_HALF_FLOAT:
makeGradient<GLhalf>(unpack_HALF_FLOAT);
break;
case GL_FLOAT:
makeGradient<GLfloat>(unpack_FLOAT);
break;
case GL_UNSIGNED_SHORT_5_6_5:
makeGradient<GLushort>(unpack_UNSIGNED_SHORT_5_6_5);
break;
case GL_UNSIGNED_SHORT_4_4_4_4:
makeGradient<GLushort>(unpack_UNSIGNED_SHORT_4_4_4_4);
break;
case GL_UNSIGNED_SHORT_5_5_5_1:
makeGradient<GLushort>(unpack_UNSIGNED_SHORT_5_5_5_1);
break;
case GL_UNSIGNED_INT_2_10_10_10_REV:
makeGradient<GLuint>(unpack_UNSIGNED_INT_2_10_10_10_REV);
break;
case GL_UNSIGNED_INT_24_8:
makeGradient<GLuint>(unpack_UNSIGNED_INT_24_8);
break;
case GL_UNSIGNED_INT_10F_11F_11F_REV:
makeGradient<GLuint>(unpack_UNSIGNED_INT_10F_11F_11F_REV);
break;
case GL_UNSIGNED_INT_5_9_9_9_REV:
makeGradient<GLuint>(unpack_UNSIGNED_INT_5_9_9_9_REV);
break;
case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
makeGradient<F_32_UINT_24_8_REV>(unpack_FLOAT_32_UNSIGNED_INT_24_8_REV);
break;
case GL_UNSIGNED_BYTE_3_3_2:
makeGradient<GLubyte>(unpack_UNSIGNED_BYTE_3_3_2);
break;
case GL_UNSIGNED_BYTE_2_3_3_REV:
makeGradient<GLubyte>(unpack_UNSIGNED_BYTE_2_3_3_REV);
break;
case GL_UNSIGNED_SHORT_5_6_5_REV:
makeGradient<GLushort>(unpack_UNSIGNED_SHORT_5_6_5_REV);
break;
case GL_UNSIGNED_SHORT_4_4_4_4_REV:
makeGradient<GLushort>(unpack_UNSIGNED_SHORT_4_4_4_4_REV);
break;
case GL_UNSIGNED_SHORT_1_5_5_5_REV:
makeGradient<GLushort>(unpack_UNSIGNED_SHORT_1_5_5_5_REV);
break;
case GL_UNSIGNED_INT_8_8_8_8:
makeGradient<GLuint>(unpack_UNSIGNED_INT_8_8_8_8);
break;
case GL_UNSIGNED_INT_8_8_8_8_REV:
makeGradient<GLuint>(unpack_UNSIGNED_INT_8_8_8_8_REV);
break;
case GL_UNSIGNED_INT_10_10_10_2:
makeGradient<GLuint>(unpack_UNSIGNED_INT_10_10_10_2);
break;
default:
TCU_FAIL("Unsupported type");
};
}
template <typename Type>
void RectangleTest::makeGradient(Type (*unpack)(float))
{
// number of elements in a group
int elementsInGroup = m_inputFormat.components;
if (m_inputType.special)
elementsInGroup = 1;
int rowCount = m_unpackProperties.rowCount;
if (rowCount == 0)
rowCount = GRADIENT_HEIGHT + m_unpackProperties.skipRows;
// number of groups in the row
int rowLength = m_unpackProperties.rowLength;
if (rowLength == 0)
rowLength = GRADIENT_WIDTH + m_unpackProperties.skipPixels;
int elementSize = m_inputType.size;
// row size (in elements)
int elementsInRowNoAlign = elementsInGroup * rowLength;
int elementsInRow = elementsInRowNoAlign;
if (elementSize < m_unpackProperties.alignment)
{
int alignment = m_unpackProperties.alignment;
elementsInRow = (int)(alignment * deFloatCeil(elementSize * elementsInGroup * rowLength / ((float)alignment))) /
elementSize;
}
if (m_textureTarget == GL_TEXTURE_2D)
m_unpackProperties.skipImages = 0;
// "depth" will be 1 + skipped image layers.
// We still want to work on a 2D-ish image later.
int depth = 1 + m_unpackProperties.skipImages;
m_unpackProperties.elementsInGroup = elementsInGroup;
m_unpackProperties.rowCount = rowCount;
m_unpackProperties.rowLength = rowLength;
m_unpackProperties.elementSize = elementSize;
m_unpackProperties.elementsInRowNoAlign = elementsInRowNoAlign;
m_unpackProperties.elementsInRow = elementsInRow;
m_unpackProperties.imagesCount = depth;
// element size * elements in row * number of rows * number of 2d images
std::size_t bufferSize = elementSize * elementsInRow * rowCount * depth;
m_gradient.resize(bufferSize);
Type* data = reinterpret_cast<Type*>(&m_gradient[0]);
std::size_t dataToSkip = m_unpackProperties.skipImages * rowCount * elementsInRow;
std::size_t index = dataToSkip;
const Type defaultValue = unpack(0.5f);
std::fill(data, data + dataToSkip, defaultValue);
for (int k = 0; k < depth; k++)
{
for (int j = 0; j < rowCount; j++)
{
for (int i = 0; i < elementsInRow; i++)
{
int x = i / elementsInGroup;
if ((k == depth - 1) && (m_unpackProperties.skipRows <= j) &&
(j < m_unpackProperties.skipRows + GRADIENT_HEIGHT) && (m_unpackProperties.skipPixels <= x) &&
(x < m_unpackProperties.skipPixels + GRADIENT_WIDTH))
{
float value = static_cast<float>(x - m_unpackProperties.skipPixels) / GRADIENT_WIDTH;
int channel = i - elementsInGroup * x;
value *= 1.0f - 0.25f * channel;
data[index] = unpack(value);
}
else
{
data[index] = defaultValue;
}
index++;
}
}
}
}
template <typename Type>
Type RectangleTest::unpackSizedComponents(float value, int s1, int s2, int s3, int s4)
{
int typeBits = sizeof(Type) * 8;
double v = static_cast<double>(value);
Type c1 = static_cast<Type>(v * 1.00 * ((1 << s1) - 1));
Type c2 = static_cast<Type>(v * 0.75 * ((1 << s2) - 1));
Type c3 = static_cast<Type>(v * 0.50 * ((1 << s3) - 1));
Type c4 = static_cast<Type>(v * 0.25 * ((1 << s4) - 1));
return ((c1) << (typeBits - s1)) | ((c2) << (typeBits - s1 - s2)) | ((c3) << (typeBits - s1 - s2 - s3)) |
((c4) << (typeBits - s1 - s2 - s3 - s4));
}
template <typename Type>
Type RectangleTest::unpackSizedComponentsRev(float value, int s1, int s2, int s3, int s4)
{
int typeBits = sizeof(Type) * 8;
double v = static_cast<double>(value);
Type c1 = static_cast<Type>(v * 1.00 * ((1 << s4) - 1));
Type c2 = static_cast<Type>(v * 0.75 * ((1 << s3) - 1));
Type c3 = static_cast<Type>(v * 0.50 * ((1 << s2) - 1));
Type c4 = static_cast<Type>(v * 0.25 * ((1 << s1) - 1));
return ((c4) << (typeBits - s1)) | ((c3) << (typeBits - s1 - s2)) | ((c2) << (typeBits - s1 - s2 - s3)) |
((c1) << (typeBits - s1 - s2 - s3 - s4));
}
GLubyte RectangleTest::unpack_UNSIGNED_BYTE(float value)
{
return static_cast<GLubyte>(value * std::numeric_limits<GLubyte>::max());
}
GLbyte RectangleTest::unpack_BYTE(float value)
{
return static_cast<GLbyte>(value * std::numeric_limits<GLbyte>::max());
}
GLushort RectangleTest::unpack_UNSIGNED_SHORT(float value)
{
return static_cast<GLushort>(value * std::numeric_limits<GLushort>::max());
}
GLshort RectangleTest::unpack_SHORT(float value)
{
return static_cast<GLshort>(value * std::numeric_limits<GLshort>::max());
}
GLuint RectangleTest::unpack_UNSIGNED_INT(float value)
{
return static_cast<GLuint>(value * std::numeric_limits<GLuint>::max());
}
GLint RectangleTest::unpack_INT(float value)
{
return static_cast<GLint>(value * std::numeric_limits<GLint>::max());
}
GLhalf RectangleTest::unpack_HALF_FLOAT(float value)
{
return floatToHalfFloat(value);
}
GLfloat RectangleTest::unpack_FLOAT(float value)
{
return value;
}
GLubyte RectangleTest::unpack_UNSIGNED_BYTE_3_3_2(float value)
{
return unpackSizedComponents<GLubyte>(value, 3, 3, 2, 0);
}
GLubyte RectangleTest::unpack_UNSIGNED_BYTE_2_3_3_REV(float value)
{
return unpackSizedComponentsRev<GLubyte>(value, 2, 3, 3, 0);
}
GLushort RectangleTest::unpack_UNSIGNED_SHORT_5_6_5_REV(float value)
{
return unpackSizedComponentsRev<GLushort>(value, 5, 6, 5, 0);
}
GLushort RectangleTest::unpack_UNSIGNED_SHORT_4_4_4_4_REV(float value)
{
return unpackSizedComponentsRev<GLushort>(value, 4, 4, 4, 4);
}
GLushort RectangleTest::unpack_UNSIGNED_SHORT_1_5_5_5_REV(float value)
{
return unpackSizedComponentsRev<GLushort>(value, 1, 5, 5, 5);
}
GLuint RectangleTest::unpack_UNSIGNED_INT_8_8_8_8(float value)
{
return unpackSizedComponents<GLuint>(value, 8, 8, 8, 8);
}
GLuint RectangleTest::unpack_UNSIGNED_INT_8_8_8_8_REV(float value)
{
return unpackSizedComponentsRev<GLuint>(value, 8, 8, 8, 8);
}
GLuint RectangleTest::unpack_UNSIGNED_INT_10_10_10_2(float value)
{
return unpackSizedComponents<GLuint>(value, 10, 10, 10, 2);
}
GLushort RectangleTest::unpack_UNSIGNED_SHORT_5_6_5(float value)
{
return unpackSizedComponents<GLushort>(value, 5, 6, 5, 0);
}
GLushort RectangleTest::unpack_UNSIGNED_SHORT_4_4_4_4(float value)
{
return unpackSizedComponents<GLushort>(value, 4, 4, 4, 4);
}
GLushort RectangleTest::unpack_UNSIGNED_SHORT_5_5_5_1(float value)
{
return unpackSizedComponents<GLushort>(value, 5, 5, 5, 1);
}
GLuint RectangleTest::unpack_UNSIGNED_INT_2_10_10_10_REV(float value)
{
return unpackSizedComponentsRev<GLuint>(value, 2, 10, 10, 10);
}
GLuint RectangleTest::unpack_UNSIGNED_INT_24_8(float value)
{
return unpackSizedComponents<GLuint>(value, 24, 8, 0, 0);
}
GLuint RectangleTest::unpack_UNSIGNED_INT_5_9_9_9_REV(float value)
{
const int N = 9;
const int B = 15;
const int E_max = 31;
GLfloat red = value * 1.00f;
GLfloat green = value * 0.75f;
GLfloat blue = value * 0.50f;
GLfloat sharedExpMax = (deFloatPow(2.0f, (float)N) - 1.0f) / deFloatPow(2.0f, (float)N) * deFloatPow(2.0f, (float)(E_max - B));
GLfloat red_c = deFloatMax(0, deFloatMin(sharedExpMax, red));
GLfloat green_c = deFloatMax(0, deFloatMin(sharedExpMax, green));
GLfloat blue_c = deFloatMax(0, deFloatMin(sharedExpMax, blue));
GLfloat max_c = deFloatMax(deFloatMax(red_c, green_c), blue_c);
GLfloat exp_p = deFloatMax(-B - 1, deFloatFloor(deFloatLog2(max_c))) + 1 + B;
GLfloat max_s = deFloatFloor(max_c / deFloatPow(2.0f, exp_p - (float)B - (float)N) + 0.5f);
GLfloat exp_s;
if (0 <= max_s && max_s < deFloatPow(2.0f, (float)N))
exp_s = exp_p;
else
exp_s = exp_p + 1;
GLfloat red_s = deFloatFloor(red_c / deFloatPow(2.0f, exp_s - (float)B - (float)N) + 0.5f);
GLfloat green_s = deFloatFloor(green_c / deFloatPow(2.0f, exp_s - (float)B - (float)N) + 0.5f);
GLfloat blue_s = deFloatFloor(blue_c / deFloatPow(2.0f, exp_s - (float)B - (float)N) + 0.5f);
GLuint c1 = (static_cast<GLuint>(red_s)) & 511;
GLuint c2 = (static_cast<GLuint>(green_s)) & 511;
GLuint c3 = (static_cast<GLuint>(blue_s)) & 511;
GLuint c4 = (static_cast<GLuint>(exp_s)) & 31;
return (c1) | (c2 << 9) | (c3 << 18) | (c4 << 27);
}
GLuint RectangleTest::unpack_UNSIGNED_INT_10F_11F_11F_REV(float value)
{
GLuint c1 = floatToUnisgnedF11(value * 1.00f);
GLuint c2 = floatToUnisgnedF11(value * 0.75f);
GLuint c3 = floatToUnisgnedF10(value * 0.50f);
return (c3 << 22) | (c2 << 11) | (c1);
}
F_32_UINT_24_8_REV RectangleTest::unpack_FLOAT_32_UNSIGNED_INT_24_8_REV(float value)
{
F_32_UINT_24_8_REV ret;
ret.d = value;
ret.s = (GLuint)(value * 255.0 * 0.75);
ret.s &= 0xff;
return ret;
}
bool RectangleTest::isFormatValid(const PixelFormat& format, const PixelType& type,
const struct InternalFormat& internalformat, bool checkInput, bool checkOutput,
int operation) const
{
glu::RenderContext& renderContext = m_context.getRenderContext();
glu::ContextType contextType = renderContext.getType();
const glu::ContextInfo& contextInfo = m_context.getContextInfo();
const Functions& gl = renderContext.getFunctions();
int i;
// Test the combination of input format, input type and internalFormat
if (glu::isContextTypeES(contextType))
{
if (checkInput)
{
// GLES30 has more restricted requirement on combination than GL for input
for (i = 0; i < DE_LENGTH_OF_ARRAY(esValidFormats); ++i)
{
if (internalformat.sizedFormat == esValidFormats[i].internalformat &&
format.format == esValidFormats[i].format && type.type == esValidFormats[i].type)
{
break;
}
}
if (i == DE_LENGTH_OF_ARRAY(esValidFormats))
{
// Check for support of OES_texture_float extension
if (((GL_LUMINANCE_ALPHA == format.format) && (GL_LUMINANCE_ALPHA == internalformat.sizedFormat)) ||
((GL_LUMINANCE == format.format) && (GL_LUMINANCE == internalformat.sizedFormat)) ||
((GL_ALPHA == format.format) && (GL_ALPHA == internalformat.sizedFormat)) ||
((GL_RGBA == format.format) && (GL_RGBA == internalformat.sizedFormat)) ||
((GL_RGB == format.format) && (GL_RGB == internalformat.sizedFormat)))
{
if ((contextInfo.isExtensionSupported("GL_OES_texture_float") && (GL_FLOAT == type.type)) ||
(contextInfo.isExtensionSupported("GL_OES_texture_half_float") &&
(GL_HALF_FLOAT_OES == type.type)))
{
return true;
}
}
// Check for support of EXT_texture_type_2_10_10_10_REV extension
if (((GL_RGBA == format.format) && (GL_RGBA == internalformat.sizedFormat)) ||
((GL_RGB == format.format) && (GL_RGB == internalformat.sizedFormat)))
{
if (contextInfo.isExtensionSupported("GL_EXT_texture_type_2_10_10_10_REV") &&
((GL_UNSIGNED_INT_2_10_10_10_REV_EXT == type.type)))
return true;
}
// Check for support of NV_packed_float extension
if ((GL_RGB == format.format) && (GL_RGB == internalformat.sizedFormat))
{
if (contextInfo.isExtensionSupported("GL_NV_packed_float") &&
((GL_UNSIGNED_INT_10F_11F_11F_REV == type.type)))
return true;
}
// Check for support of EXT_texture_type_2_10_10_10_REV and GL_OES_required_internalformat extensions
if (contextInfo.isExtensionSupported("GL_EXT_texture_type_2_10_10_10_REV") &&
contextInfo.isExtensionSupported("GL_OES_required_internalformat"))
{
for (i = 0; i < DE_LENGTH_OF_ARRAY(validformats_OES_required_internalformat); ++i)
{
if (internalformat.sizedFormat == validformats_OES_required_internalformat[i].internalformat &&
format.format == validformats_OES_required_internalformat[i].format &&
type.type == validformats_OES_required_internalformat[i].type)
{
return true;
}
}
}
return false;
}
if ((m_textureTarget == GL_TEXTURE_3D) &&
((format.format == GL_DEPTH_COMPONENT) || (format.format == GL_DEPTH_STENCIL)))
return false;
}
else if (checkOutput)
{
// GLES30 has more restricted requirement on combination than GL for output
// As stated in Section Reading Pixels
InternalFormatSamplerType sampler = internalformat.sampler;
const PixelFormat& inputFormat = getPixelFormat(internalformat.format);
if (inputFormat.attachment == GL_DEPTH_ATTACHMENT && contextInfo.isExtensionSupported("GL_NV_read_depth") &&
format.format == GL_DEPTH_COMPONENT &&
((sampler == SAMPLER_FLOAT && type.type == GL_FLOAT) ||
(sampler != SAMPLER_FLOAT && (type.type == GL_UNSIGNED_SHORT || type.type == GL_UNSIGNED_INT ||
type.type == GL_UNSIGNED_INT_24_8))))
{
return true;
}
if (inputFormat.attachment == GL_DEPTH_STENCIL_ATTACHMENT &&
contextInfo.isExtensionSupported("GL_NV_read_depth_stencil") &&
((format.format == GL_DEPTH_STENCIL &&
((sampler == SAMPLER_FLOAT && type.type == GL_FLOAT_32_UNSIGNED_INT_24_8_REV) ||
(sampler != SAMPLER_FLOAT && type.type == GL_UNSIGNED_INT_24_8))) ||
(format.format == GL_DEPTH_COMPONENT &&
((sampler == SAMPLER_FLOAT && type.type == GL_FLOAT) ||
(sampler != SAMPLER_FLOAT && (type.type == GL_UNSIGNED_SHORT || type.type == GL_UNSIGNED_INT ||
type.type == GL_UNSIGNED_INT_24_8))))))
{
return true;
}
if (inputFormat.attachment != GL_COLOR_ATTACHMENT0)
{
return false;
}
if ((sampler == SAMPLER_UNORM) && (((type.type == GL_UNSIGNED_BYTE) && (format.format == GL_RGB) &&
(internalformat.sizedFormat == GL_SRGB8)) ||
((type.type == GL_UNSIGNED_BYTE) && (format.format == GL_RGBA) &&
(internalformat.sizedFormat == GL_SRGB8_ALPHA8))) &&
contextInfo.isExtensionSupported("GL_NV_sRGB_formats"))
{
return true;
}
if ((sampler == SAMPLER_NORM) && (type.type == GL_UNSIGNED_BYTE) && (format.format == GL_RGBA) &&
((internalformat.sizedFormat == GL_R8_SNORM) || (internalformat.sizedFormat == GL_RG8_SNORM) ||
(internalformat.sizedFormat == GL_RGBA8_SNORM) || (internalformat.sizedFormat == GL_R16_SNORM) ||
(internalformat.sizedFormat == GL_RG16_SNORM) || (internalformat.sizedFormat == GL_RGBA16_SNORM)) &&
contextInfo.isExtensionSupported("GL_EXT_render_snorm"))
{
return true;
}
if ((sampler == SAMPLER_NORM) && (type.type == GL_BYTE) && (format.format == GL_RGBA) &&
((internalformat.sizedFormat == GL_R8_SNORM) || (internalformat.sizedFormat == GL_RG8_SNORM) ||
(internalformat.sizedFormat == GL_RGBA8_SNORM)) &&
contextInfo.isExtensionSupported("GL_EXT_render_snorm"))
{
return true;
}
GLint implementType;
GLint implementFormat;
gl.getIntegerv(GL_IMPLEMENTATION_COLOR_READ_TYPE, &implementType);
gl.getIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT, &implementFormat);
GLenum err = gl.getError();
GLenum implementTypeEnum = static_cast<GLenum>(implementType);
GLenum implementFormatEnum = static_cast<GLenum>(implementFormat);
if (((sampler == SAMPLER_UNORM) && (type.type == GL_UNSIGNED_BYTE) && (format.format == GL_RGBA)) ||
((sampler == SAMPLER_UINT) && (type.type == GL_UNSIGNED_INT) && (format.format == GL_RGBA_INTEGER)) ||
((sampler == SAMPLER_INT) && (type.type == GL_INT) && (format.format == GL_RGBA_INTEGER)) ||
((sampler == SAMPLER_FLOAT) && (type.type == GL_FLOAT) && (format.format == GL_RGBA)) ||
((err == GL_NO_ERROR) && (type.type == implementTypeEnum) && (format.format == implementFormatEnum)) ||
((internalformat.sizedFormat == GL_RGB10_A2) && (type.type == GL_UNSIGNED_INT_2_10_10_10_REV) &&
(format.format == GL_RGBA)))
{
return true;
}
else
{
return false;
}
}
}
else
{
if (format.format == GL_DEPTH_STENCIL)
{
if (type.type != GL_UNSIGNED_INT_24_8 && type.type != GL_FLOAT_32_UNSIGNED_INT_24_8_REV)
{
return false;
}
}
if ((format.componentFormat == FORMAT_COLOR_INTEGER) && (type.type == GL_FLOAT || type.type == GL_HALF_FLOAT))
{
return false;
}
if ((internalformat.baseFormat == GL_DEPTH_STENCIL || internalformat.baseFormat == GL_STENCIL_INDEX ||
internalformat.baseFormat == GL_DEPTH_COMPONENT) !=
(format.format == GL_DEPTH_STENCIL || format.format == GL_STENCIL_INDEX ||
format.format == GL_DEPTH_COMPONENT))
{
return false;
}
if (operation == INPUT_TEXIMAGE)
{
if (format.format == GL_STENCIL_INDEX || internalformat.baseFormat == GL_STENCIL_INDEX)
{
return false;
}
if ((format.format == GL_DEPTH_COMPONENT || format.format == GL_DEPTH_STENCIL) &&
!(internalformat.baseFormat == GL_DEPTH_STENCIL || internalformat.baseFormat == GL_DEPTH_COMPONENT))
{
return false;
}
}
else if (operation == OUTPUT_GETTEXIMAGE)
{
if ((format.format == GL_STENCIL_INDEX &&
((internalformat.baseFormat != GL_STENCIL_INDEX && internalformat.baseFormat != GL_DEPTH_STENCIL) ||
!contextInfo.isExtensionSupported("GL_ARB_texture_stencil8"))))
{
return false;
}
if (format.format == GL_DEPTH_STENCIL && internalformat.baseFormat != GL_DEPTH_STENCIL)
{
return false;
}
}
else if (operation == OUTPUT_READPIXELS)
{
if (format.format == GL_DEPTH_STENCIL && internalformat.baseFormat != GL_DEPTH_STENCIL)
{
return false;
}
if (format.format == GL_DEPTH_COMPONENT && internalformat.baseFormat != GL_DEPTH_STENCIL &&
internalformat.baseFormat != GL_DEPTH_COMPONENT)
{
return false;
}
if (format.format == GL_STENCIL_INDEX && internalformat.baseFormat != GL_DEPTH_STENCIL &&
internalformat.baseFormat != GL_STENCIL_INDEX)
{
return false;
}
}
if (type.special == true)
{
bool valid = false;
for (i = 0; i < DE_LENGTH_OF_ARRAY(coreValidFormats); ++i)
{
if (coreValidFormats[i].format == format.format && coreValidFormats[i].type == type.type)
{
valid = true;
break;
}
}
if (!valid)
return false;
}
if ((format.componentFormat == FORMAT_COLOR_INTEGER) &&
!(internalformat.sampler == SAMPLER_INT || internalformat.sampler == SAMPLER_UINT))
{
return false;
}
if (!(format.componentFormat == FORMAT_COLOR_INTEGER) &&
(internalformat.sampler == SAMPLER_INT || internalformat.sampler == SAMPLER_UINT))
{
return false;
}
if ((m_textureTarget == GL_TEXTURE_3D) &&
((internalformat.baseFormat == GL_DEPTH_COMPONENT) || (internalformat.baseFormat == GL_DEPTH_STENCIL) ||
(internalformat.sizedFormat == GL_COMPRESSED_RED_RGTC1) ||
(internalformat.sizedFormat == GL_COMPRESSED_SIGNED_RED_RGTC1) ||
(internalformat.sizedFormat == GL_COMPRESSED_RG_RGTC2) ||
(internalformat.sizedFormat == GL_COMPRESSED_SIGNED_RG_RGTC2)))
{
return false;
}
}
return true;
}
bool RectangleTest::isUnsizedFormat(GLenum format) const
{
GLenum formats[] = { GL_RGBA, GL_RGB, GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_ALPHA };
GLenum* formatsEnd = formats + DE_LENGTH_OF_ARRAY(formats);
return (std::find(formats, formatsEnd, format) < formatsEnd);
}
bool RectangleTest::isSRGBFormat(const InternalFormat& internalFormat) const
{
return (internalFormat.sizedFormat == GL_SRGB8) || (internalFormat.sizedFormat == GL_SRGB8_ALPHA8);
}
bool RectangleTest::isSNORMFormat(const InternalFormat& internalFormat) const
{
GLenum formats[] = { GL_R8_SNORM, GL_RG8_SNORM, GL_RGB8_SNORM, GL_RGBA8_SNORM,
GL_R16_SNORM, GL_RG16_SNORM, GL_RGB16_SNORM, GL_RGBA16_SNORM };
GLenum* formatsEnd = formats + DE_LENGTH_OF_ARRAY(formats);
return (std::find(formats, formatsEnd, internalFormat.sizedFormat) < formatsEnd);
}
bool RectangleTest::isCopyValid(const InternalFormat& copyInternalFormat, const InternalFormat& internalFormat) const
{
// check if copy between two internal formats is allowed
int b1 = getPixelFormat(internalFormat.format).components;
int b2 = getPixelFormat(copyInternalFormat.format).components;
if (b2 > b1)
return false;
//Check that the types can be converted in CopyTexImage.
if (((copyInternalFormat.sampler == SAMPLER_UINT) && (internalFormat.sampler != SAMPLER_UINT)) ||
((copyInternalFormat.sampler == SAMPLER_INT) && (internalFormat.sampler != SAMPLER_INT)) ||
(((copyInternalFormat.sampler == SAMPLER_FLOAT) || (internalFormat.sampler == SAMPLER_UNORM) ||
(copyInternalFormat.sampler == SAMPLER_NORM)) &&
(!((copyInternalFormat.sampler == SAMPLER_FLOAT) || (internalFormat.sampler == SAMPLER_UNORM) ||
(internalFormat.sampler == SAMPLER_NORM)))))
{
return false;
}
// Core GL is less restricted then ES - check it first
if (!glu::isContextTypeES(m_context.getRenderContext().getType()))
{
if ((copyInternalFormat.format == GL_DEPTH_COMPONENT && internalFormat.format != GL_DEPTH_COMPONENT) ||
(copyInternalFormat.format == GL_DEPTH_STENCIL && internalFormat.format != GL_DEPTH_STENCIL) ||
(copyInternalFormat.format == GL_ALPHA && internalFormat.format != GL_ALPHA) ||
(copyInternalFormat.format == GL_LUMINANCE && internalFormat.format != GL_LUMINANCE) ||
(copyInternalFormat.format == GL_LUMINANCE_ALPHA && internalFormat.format != GL_LUMINANCE_ALPHA))
{
return false;
}
return true;
}
const glu::ContextInfo& contextInfo = m_context.getContextInfo();
// GLES30 has more restricted requirement on glCopyTexImage2D
// As stated in Table 3.15 and comment to glCopyTexImage2D
if ((internalFormat.baseFormat == GL_DEPTH_COMPONENT) || (internalFormat.baseFormat == GL_DEPTH_STENCIL) ||
(copyInternalFormat.baseFormat == GL_DEPTH_COMPONENT) || (copyInternalFormat.baseFormat == GL_DEPTH_STENCIL) ||
((internalFormat.baseFormat != GL_RGBA && internalFormat.baseFormat != GL_ALPHA) &&
((copyInternalFormat.baseFormat == GL_ALPHA) || (copyInternalFormat.baseFormat == GL_LUMINANCE_ALPHA))) ||
((internalFormat.baseFormat == GL_ALPHA) &&
((copyInternalFormat.baseFormat != GL_RGBA) && (copyInternalFormat.baseFormat != GL_ALPHA) &&
(copyInternalFormat.baseFormat != GL_LUMINANCE_ALPHA))) ||
(isSRGBFormat(internalFormat) != isSRGBFormat(copyInternalFormat)) ||
// GLES30 does not define ReadPixels types for signed normalized fixed point formats in Table 3.14,
// and conversions to SNORM internalformats are not allowed by Table 3.2
(copyInternalFormat.sampler == SAMPLER_NORM) ||
((copyInternalFormat.sizedFormat == GL_RGB9_E5) &&
!contextInfo.isExtensionSupported("GL_APPLE_color_buffer_packed_float")))
{
/* Some formats are activated by extensions, check. */
if (((internalFormat.baseFormat == GL_LUMINANCE && copyInternalFormat.baseFormat == GL_LUMINANCE) ||
(internalFormat.baseFormat == GL_ALPHA && copyInternalFormat.baseFormat == GL_ALPHA) ||
(internalFormat.baseFormat == GL_LUMINANCE_ALPHA &&
(copyInternalFormat.baseFormat == GL_LUMINANCE_ALPHA || copyInternalFormat.baseFormat == GL_LUMINANCE ||
copyInternalFormat.baseFormat == GL_ALPHA))) &&
contextInfo.isExtensionSupported("GL_NV_render_luminance_alpha"))
{
return true;
}
else if (contextInfo.isExtensionSupported("GL_EXT_render_snorm") && isSNORMFormat(copyInternalFormat) &&
(internalFormat.sampler == copyInternalFormat.sampler) &&
(((copyInternalFormat.baseFormat == GL_RED) &&
(internalFormat.baseFormat == GL_RED || internalFormat.baseFormat == GL_RG ||
internalFormat.baseFormat == GL_RGB || internalFormat.baseFormat == GL_RGBA ||
copyInternalFormat.baseFormat == GL_LUMINANCE)) ||
((copyInternalFormat.baseFormat == GL_RG) &&
(internalFormat.baseFormat == GL_RG || internalFormat.baseFormat == GL_RGB ||
internalFormat.baseFormat == GL_RGBA)) ||
((copyInternalFormat.baseFormat == GL_RGB) &&
(internalFormat.baseFormat == GL_RGB || internalFormat.baseFormat == GL_RGBA)) ||
((copyInternalFormat.baseFormat == GL_RGBA) && (internalFormat.baseFormat == GL_RGBA))))
{
return true;
}
return false;
}
else
{
if (internalFormat.sampler != copyInternalFormat.sampler)
{
// You can't convert between different base types, for example NORM<->FLOAT.
return false;
}
if (!isUnsizedFormat(copyInternalFormat.sizedFormat))
{
if ((internalFormat.bits.bits.red && copyInternalFormat.bits.bits.red &&
internalFormat.bits.bits.red != copyInternalFormat.bits.bits.red) ||
(internalFormat.bits.bits.green && copyInternalFormat.bits.bits.green &&
internalFormat.bits.bits.green != copyInternalFormat.bits.bits.green) ||
(internalFormat.bits.bits.blue && copyInternalFormat.bits.bits.blue &&
internalFormat.bits.bits.blue != copyInternalFormat.bits.bits.blue) ||
(internalFormat.bits.bits.alpha && copyInternalFormat.bits.bits.alpha &&
internalFormat.bits.bits.alpha != copyInternalFormat.bits.bits.alpha))
{
// If the destination internalFormat is sized we don't allow component size changes.
return false;
}
}
else
{
if (internalFormat.sizedFormat == GL_RGB10_A2)
{
// Not allowed to convert from a GL_RGB10_A2 surface.
return false;
}
}
}
return true;
}
bool RectangleTest::isFBOImageAttachValid(const InternalFormat& internalformat, GLenum format, GLenum type) const
{
const glu::ContextInfo& contextInfo = m_context.getContextInfo();
if (glu::isContextTypeES(m_context.getRenderContext().getType()))
{
const EnumFormats* validFormat = getCanonicalFormat(internalformat, format, type);
if (validFormat != 0)
{
if (!validFormat->bRenderable)
{
/* Some formats are activated by extensions, check. */
if ((GL_RGBA32F == validFormat->internalformat || GL_RGBA16F == validFormat->internalformat ||
GL_RG32F == validFormat->internalformat || GL_RG16F == validFormat->internalformat ||
GL_R32F == validFormat->internalformat || GL_R16F == validFormat->internalformat ||
GL_R11F_G11F_B10F == validFormat->internalformat) &&
contextInfo.isExtensionSupported("GL_EXT_color_buffer_float"))
{
return true;
}
if ((GL_RGBA16F == validFormat->internalformat || GL_RGB16F == validFormat->internalformat ||
GL_RG16F == validFormat->internalformat || GL_R16F == validFormat->internalformat) &&
contextInfo.isExtensionSupported("GL_EXT_color_buffer_half_float"))
{
return true;
}
if ((GL_R11F_G11F_B10F == validFormat->internalformat || GL_RGB9_E5 == validFormat->internalformat) &&
contextInfo.isExtensionSupported("GL_APPLE_color_buffer_packed_float"))
{
return true;
}
if ((GL_LUMINANCE == validFormat->internalformat || GL_ALPHA == validFormat->internalformat ||
GL_LUMINANCE_ALPHA == validFormat->internalformat) &&
contextInfo.isExtensionSupported("GL_NV_render_luminance_alpha"))
{
return true;
}
if ((GL_SRGB8 == validFormat->internalformat) && contextInfo.isExtensionSupported("GL_NV_sRGB_formats"))
{
return true;
}
if (((GL_R8_SNORM == validFormat->internalformat) || (GL_RG8_SNORM == validFormat->internalformat) ||
(GL_RGBA8_SNORM == validFormat->internalformat) || (GL_R16_SNORM == validFormat->internalformat) ||
(GL_RG16_SNORM == validFormat->internalformat) ||
(GL_RGBA16_SNORM == validFormat->internalformat)) &&
contextInfo.isExtensionSupported("GL_EXT_render_snorm"))
{
return true;
}
}
return validFormat->bRenderable;
}
else
{
// Check for NV_packed_float
if (GL_RGB == internalformat.sizedFormat && GL_RGB == format && GL_UNSIGNED_INT_10F_11F_11F_REV == type &&
contextInfo.isExtensionSupported("GL_NV_packed_float"))
{
return true;
}
return false;
}
}
else
{
if (format == GL_DEPTH_STENCIL && internalformat.sizedFormat != GL_DEPTH24_STENCIL8 &&
internalformat.sizedFormat != GL_DEPTH32F_STENCIL8)
{
// We can't make a complete DEPTH_STENCIL attachment with a
// texture that does not have both DEPTH and STENCIL components.
return false;
}
GLenum colorRenderableFrmats[] = { GL_RGBA32F, GL_RGBA32I, GL_RGBA32UI, GL_RGBA16,
GL_RGBA16F, GL_RGBA16I, GL_RGBA16UI, GL_RGBA8,
GL_RGBA8I, GL_RGBA8UI, GL_SRGB8_ALPHA8, GL_RGB10_A2,
GL_RGB10_A2UI, GL_RGB5_A1, GL_RGBA4, GL_R11F_G11F_B10F,
GL_RGB565, GL_RG32F, GL_RG32I, GL_RG32UI,
GL_RG16, GL_RG16F, GL_RG16I, GL_RG16UI,
GL_RG8, GL_RG8I, GL_RG8UI, GL_R32F,
GL_R32I, GL_R32UI, GL_R16F, GL_R16I,
GL_R16UI, GL_R16, GL_R8, GL_R8I,
GL_R8UI };
GLenum* formatsEnd = colorRenderableFrmats + DE_LENGTH_OF_ARRAY(colorRenderableFrmats);
if (std::find(colorRenderableFrmats, formatsEnd, internalformat.sizedFormat) < formatsEnd)
return true;
GLenum dsRenderableFormats[] = {
GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT16,
GL_DEPTH32F_STENCIL8, GL_DEPTH24_STENCIL8,
};
formatsEnd = dsRenderableFormats + DE_LENGTH_OF_ARRAY(dsRenderableFormats);
if (std::find(dsRenderableFormats, formatsEnd, internalformat.sizedFormat) < formatsEnd)
return true;
return false;
}
}
bool RectangleTest::doRead(GLuint texture)
{
glu::RenderContext& renderContext = m_context.getRenderContext();
const Functions& gl = renderContext.getFunctions();
GLuint fboId;