blob: c117fd21d06c2023668d156aa1fb0888e37191ef [file] [log] [blame]
/*-------------------------------------------------------------------------
* drawElements Quality Program OpenGL ES 3.1 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 Copy image tests for GL_EXT_copy_image.
*//*--------------------------------------------------------------------*/
#include "es31fCopyImageTests.hpp"
#include "tes31TestCase.hpp"
#include "glsTextureTestUtil.hpp"
#include "gluContextInfo.hpp"
#include "gluObjectWrapper.hpp"
#include "gluRenderContext.hpp"
#include "gluStrUtil.hpp"
#include "gluTextureUtil.hpp"
#include "gluPixelTransfer.hpp"
#include "glwEnums.hpp"
#include "glwFunctions.hpp"
#include "tcuCompressedTexture.hpp"
#include "tcuFloat.hpp"
#include "tcuImageCompare.hpp"
#include "tcuTestLog.hpp"
#include "tcuTexture.hpp"
#include "tcuTextureUtil.hpp"
#include "tcuVector.hpp"
#include "tcuVectorUtil.hpp"
#include "tcuSeedBuilder.hpp"
#include "tcuResultCollector.hpp"
#include "deArrayBuffer.hpp"
#include "deFloat16.h"
#include "deRandom.hpp"
#include "deStringUtil.hpp"
#include "deUniquePtr.hpp"
#include "deArrayUtil.hpp"
#include <map>
#include <string>
#include <vector>
using namespace deqp::gls::TextureTestUtil;
using namespace glu::TextureTestUtil;
using tcu::Float;
using tcu::IVec2;
using tcu::IVec3;
using tcu::IVec4;
using tcu::Sampler;
using tcu::ScopedLogSection;
using tcu::TestLog;
using tcu::Vec4;
using tcu::SeedBuilder;
using de::ArrayBuffer;
using std::map;
using std::string;
using std::vector;
using std::pair;
namespace deqp
{
namespace gles31
{
namespace Functional
{
namespace
{
enum ViewClass
{
VIEWCLASS_128_BITS = 0,
VIEWCLASS_96_BITS,
VIEWCLASS_64_BITS,
VIEWCLASS_48_BITS,
VIEWCLASS_32_BITS,
VIEWCLASS_24_BITS,
VIEWCLASS_16_BITS,
VIEWCLASS_8_BITS,
VIEWCLASS_EAC_R11,
VIEWCLASS_EAC_RG11,
VIEWCLASS_ETC2_RGB,
VIEWCLASS_ETC2_RGBA,
VIEWCLASS_ETC2_EAC_RGBA,
VIEWCLASS_ASTC_4x4_RGBA,
VIEWCLASS_ASTC_5x4_RGBA,
VIEWCLASS_ASTC_5x5_RGBA,
VIEWCLASS_ASTC_6x5_RGBA,
VIEWCLASS_ASTC_6x6_RGBA,
VIEWCLASS_ASTC_8x5_RGBA,
VIEWCLASS_ASTC_8x6_RGBA,
VIEWCLASS_ASTC_8x8_RGBA,
VIEWCLASS_ASTC_10x5_RGBA,
VIEWCLASS_ASTC_10x6_RGBA,
VIEWCLASS_ASTC_10x8_RGBA,
VIEWCLASS_ASTC_10x10_RGBA,
VIEWCLASS_ASTC_12x10_RGBA,
VIEWCLASS_ASTC_12x12_RGBA
};
enum Verify
{
VERIFY_NONE = 0,
VERIFY_COMPARE_REFERENCE
};
const char* viewClassToName (ViewClass viewClass)
{
switch (viewClass)
{
case VIEWCLASS_128_BITS: return "viewclass_128_bits";
case VIEWCLASS_96_BITS: return "viewclass_96_bits";
case VIEWCLASS_64_BITS: return "viewclass_64_bits";
case VIEWCLASS_48_BITS: return "viewclass_48_bits";
case VIEWCLASS_32_BITS: return "viewclass_32_bits";
case VIEWCLASS_24_BITS: return "viewclass_24_bits";
case VIEWCLASS_16_BITS: return "viewclass_16_bits";
case VIEWCLASS_8_BITS: return "viewclass_8_bits";
case VIEWCLASS_EAC_R11: return "viewclass_eac_r11";
case VIEWCLASS_EAC_RG11: return "viewclass_eac_rg11";
case VIEWCLASS_ETC2_RGB: return "viewclass_etc2_rgb";
case VIEWCLASS_ETC2_RGBA: return "viewclass_etc2_rgba";
case VIEWCLASS_ETC2_EAC_RGBA: return "viewclass_etc2_eac_rgba";
case VIEWCLASS_ASTC_4x4_RGBA: return "viewclass_astc_4x4_rgba";
case VIEWCLASS_ASTC_5x4_RGBA: return "viewclass_astc_5x4_rgba";
case VIEWCLASS_ASTC_5x5_RGBA: return "viewclass_astc_5x5_rgba";
case VIEWCLASS_ASTC_6x5_RGBA: return "viewclass_astc_6x5_rgba";
case VIEWCLASS_ASTC_6x6_RGBA: return "viewclass_astc_6x6_rgba";
case VIEWCLASS_ASTC_8x5_RGBA: return "viewclass_astc_8x5_rgba";
case VIEWCLASS_ASTC_8x6_RGBA: return "viewclass_astc_8x6_rgba";
case VIEWCLASS_ASTC_8x8_RGBA: return "viewclass_astc_8x8_rgba";
case VIEWCLASS_ASTC_10x5_RGBA: return "viewclass_astc_10x5_rgba";
case VIEWCLASS_ASTC_10x6_RGBA: return "viewclass_astc_10x6_rgba";
case VIEWCLASS_ASTC_10x8_RGBA: return "viewclass_astc_10x8_rgba";
case VIEWCLASS_ASTC_10x10_RGBA: return "viewclass_astc_10x10_rgba";
case VIEWCLASS_ASTC_12x10_RGBA: return "viewclass_astc_12x10_rgba";
case VIEWCLASS_ASTC_12x12_RGBA: return "viewclass_astc_12x12_rgba";
default:
DE_ASSERT(false);
return NULL;
}
}
const char* targetToName (deUint32 target)
{
switch (target)
{
case GL_RENDERBUFFER: return "renderbuffer";
case GL_TEXTURE_2D: return "texture2d";
case GL_TEXTURE_3D: return "texture3d";
case GL_TEXTURE_2D_ARRAY: return "texture2d_array";
case GL_TEXTURE_CUBE_MAP: return "cubemap";
default:
DE_ASSERT(false);
return NULL;
}
}
string formatToName (deUint32 format)
{
string enumName;
if (glu::isCompressedFormat(format))
enumName = glu::getCompressedTextureFormatStr(format).toString().substr(14); // Strip GL_COMPRESSED_
else
enumName = glu::getUncompressedTextureFormatStr(format).toString().substr(3); // Strip GL_
return de::toLower(enumName);
}
bool isFloatFormat (deUint32 format)
{
if (glu::isCompressedFormat(format))
return false;
else
return tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type) == tcu::TEXTURECHANNELCLASS_FLOATING_POINT;
}
bool isUintFormat (deUint32 format)
{
if (glu::isCompressedFormat(format))
return false;
else
return tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type) == tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER;
}
bool isIntFormat (deUint32 format)
{
if (glu::isCompressedFormat(format))
return false;
else
return tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type) == tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER;
}
bool isFixedPointFormat (deUint32 format)
{
if (glu::isCompressedFormat(format))
return false;
else
{
const tcu::TextureChannelClass channelClass = tcu::getTextureChannelClass(glu::mapGLInternalFormat(format).type);
return channelClass == tcu::TEXTURECHANNELCLASS_SIGNED_FIXED_POINT || channelClass == tcu::TEXTURECHANNELCLASS_UNSIGNED_FIXED_POINT;
}
}
bool isTextureTarget (deUint32 target)
{
return target != GL_RENDERBUFFER;
}
int getTargetTexDims (deUint32 target)
{
DE_ASSERT(isTextureTarget(target));
switch (target)
{
case GL_TEXTURE_1D:
return 1;
case GL_TEXTURE_1D_ARRAY:
case GL_TEXTURE_2D:
case GL_TEXTURE_CUBE_MAP:
return 2;
case GL_TEXTURE_2D_ARRAY:
case GL_TEXTURE_3D:
return 3;
default:
DE_ASSERT(false);
return -1;
}
}
class RandomizedRenderGrid
{
public:
RandomizedRenderGrid (const IVec2& targetSize, const IVec2& cellSize, int maxCellCount, deUint32 seed);
bool nextCell (void);
IVec2 getOrigin (void) const;
const IVec2& getCellSize (void) const { return m_cellSize; };
IVec4 getUsedAreaBoundingBox (void) const;
int getCellCount (void) const { return m_cellCount; };
private:
static IVec2 getRandomOffset (deUint32 seed, IVec2 targetSize, IVec2 cellSize, IVec2 grid, int cellCount);
const IVec2 m_targetSize;
const IVec2 m_cellSize;
const IVec2 m_grid;
int m_currentCell;
const int m_cellCount;
const IVec2 m_baseRandomOffset;
};
RandomizedRenderGrid::RandomizedRenderGrid (const IVec2& targetSize, const IVec2& cellSize, int maxCellCount, deUint32 seed)
: m_targetSize (targetSize)
, m_cellSize (cellSize)
, m_grid (targetSize / cellSize)
, m_currentCell (0)
// If the grid exactly fits height, take one row for randomization.
, m_cellCount (deMin32(maxCellCount, ((targetSize.y() % cellSize.y()) == 0) && m_grid.y() > 1 ? m_grid.x() * (m_grid.y() - 1) : m_grid.x() * m_grid.y()))
, m_baseRandomOffset (getRandomOffset(seed, targetSize, cellSize, m_grid, m_cellCount))
{
}
IVec2 RandomizedRenderGrid::getRandomOffset (deUint32 seed, IVec2 targetSize, IVec2 cellSize, IVec2 grid, int cellCount)
{
de::Random rng (seed);
IVec2 result;
IVec2 extraSpace = targetSize - (cellSize * grid);
// If there'll be unused rows, donate them into extra space.
// (Round the required rows to full cell row to find out how many rows are unused, multiply by size)
DE_ASSERT(deDivRoundUp32(cellCount, grid.x()) <= grid.y());
extraSpace.y() += (grid.y() - deDivRoundUp32(cellCount, grid.x())) * cellSize.y();
DE_ASSERT(targetSize.x() > cellSize.x() && targetSize.y() > cellSize.y());
// If grid fits perfectly just one row of cells, just give up on randomizing.
DE_ASSERT(extraSpace.x() > 0 || extraSpace.y() > 0 || grid.y() == 1);
DE_ASSERT(extraSpace.x() + grid.x() * cellSize.x() == targetSize.x());
// \note Putting these as ctor params would make evaluation order undefined, I think <sigh>. Hence,
// no direct return.
result.x() = rng.getInt(0, extraSpace.x());
result.y() = rng.getInt(0, extraSpace.y());
return result;
}
bool RandomizedRenderGrid::nextCell (void)
{
if (m_currentCell >= getCellCount())
return false;
m_currentCell++;
return true;
}
IVec2 RandomizedRenderGrid::getOrigin (void) const
{
const int gridX = (m_currentCell - 1) % m_grid.x();
const int gridY = (m_currentCell - 1) / m_grid.x();
const IVec2 currentOrigin = (IVec2(gridX, gridY) * m_cellSize) + m_baseRandomOffset;
DE_ASSERT(currentOrigin.x() >= 0 && (currentOrigin.x() + m_cellSize.x()) <= m_targetSize.x());
DE_ASSERT(currentOrigin.y() >= 0 && (currentOrigin.y() + m_cellSize.y()) <= m_targetSize.y());
return currentOrigin;
}
IVec4 RandomizedRenderGrid::getUsedAreaBoundingBox (void) const
{
const IVec2 lastCell (de::min(m_currentCell + 1, m_grid.x()), ((m_currentCell + m_grid.x() - 1) / m_grid.x()));
const IVec2 size = lastCell * m_cellSize;
return IVec4(m_baseRandomOffset.x(), m_baseRandomOffset.y(), size.x(), size.y());
}
class ImageInfo
{
public:
ImageInfo (deUint32 format, deUint32 target, const IVec3& size);
deUint32 getFormat (void) const { return m_format; }
deUint32 getTarget (void) const { return m_target; }
const IVec3& getSize (void) const { return m_size; }
private:
deUint32 m_format;
deUint32 m_target;
IVec3 m_size;
};
ImageInfo::ImageInfo (deUint32 format, deUint32 target, const IVec3& size)
: m_format (format)
, m_target (target)
, m_size (size)
{
DE_ASSERT(m_target == GL_TEXTURE_2D_ARRAY || m_target == GL_TEXTURE_3D || m_size.z() == 1);
DE_ASSERT(isTextureTarget(m_target) || !glu::isCompressedFormat(m_target));
}
SeedBuilder& operator<< (SeedBuilder& builder, const ImageInfo& info)
{
builder << info.getFormat() << info.getTarget() << info.getSize();
return builder;
}
const glu::ObjectTraits& getObjectTraits (const ImageInfo& info)
{
if (isTextureTarget(info.getTarget()))
return glu::objectTraits(glu::OBJECTTYPE_TEXTURE);
else
return glu::objectTraits(glu::OBJECTTYPE_RENDERBUFFER);
}
int getLevelCount (const ImageInfo& info)
{
const deUint32 target = info.getTarget();
const IVec3 size = info.getSize();
if (target == GL_RENDERBUFFER)
return 1;
else if (target == GL_TEXTURE_2D_ARRAY)
{
const int maxSize = de::max(size.x(), size.y());
return deLog2Ceil32(maxSize);
}
else
{
const int maxSize = de::max(size.x(), de::max(size.y(), size.z()));
return deLog2Ceil32(maxSize);
}
}
IVec3 getLevelSize (deUint32 target, const IVec3& baseSize, int level)
{
IVec3 size;
if (target != GL_TEXTURE_2D_ARRAY)
{
for (int i = 0; i < 3; i++)
size[i] = de::max(baseSize[i] >> level, 1);
}
else
{
for (int i = 0; i < 2; i++)
size[i] = de::max(baseSize[i] >> level, 1);
size[2] = baseSize[2];
}
return size;
}
deUint32 mapFaceNdxToFace (int ndx)
{
const deUint32 cubeFaces[] =
{
GL_TEXTURE_CUBE_MAP_POSITIVE_X,
GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
GL_TEXTURE_CUBE_MAP_NEGATIVE_Z
};
return de::getSizedArrayElement<6>(cubeFaces, ndx);
}
// Class for iterating over mip levels and faces/slices/... of a texture.
class TextureImageIterator
{
public:
TextureImageIterator (const ImageInfo info, int levelCount);
~TextureImageIterator (void) {}
// Need to call next image once, newly constructed not readable, except for getSize
bool nextImage (void);
bool hasNextImage (void) const { return (m_currentLevel < (m_levelCount - 1)) || m_currentImage < (m_levelImageCount - 1); }
int getMipLevel (void) const { return m_currentLevel; }
int getMipLevelCount (void) const { return m_levelCount; }
int getCurrentImage (void) const { return m_currentImage;}
int getLevelImageCount (void) const { return m_levelImageCount; }
IVec2 getSize (void) const { return m_levelSize.toWidth<2>(); } // Assume that image sizes never grow over iteration
deUint32 getTarget (void) const { return m_info.getTarget(); }
private:
int m_levelImageCount; // Need to be defined in CTOR for the hasNextImage to work!
const ImageInfo m_info;
int m_currentLevel;
IVec3 m_levelSize;
int m_currentImage;
const int m_levelCount;
};
TextureImageIterator::TextureImageIterator (const ImageInfo info, int levelCount)
: m_levelImageCount (info.getTarget() == GL_TEXTURE_CUBE_MAP ? 6 : getLevelSize(info.getTarget(), info.getSize(), 0).z())
, m_info (info)
, m_currentLevel (0)
, m_levelSize (getLevelSize(info.getTarget(), info.getSize(), 0))
, m_currentImage (-1)
, m_levelCount (levelCount)
{
DE_ASSERT(m_levelCount <= getLevelCount(info));
}
bool TextureImageIterator::nextImage (void)
{
if (!hasNextImage())
return false;
m_currentImage++;
if (m_currentImage == m_levelImageCount)
{
m_currentLevel++;
m_currentImage = 0;
m_levelSize = getLevelSize(m_info.getTarget(), m_info.getSize(), m_currentLevel);
if (getTarget() == GL_TEXTURE_CUBE_MAP)
m_levelImageCount = 6;
else
m_levelImageCount = m_levelSize.z();
}
DE_ASSERT(m_currentLevel < m_levelCount);
DE_ASSERT(m_currentImage < m_levelImageCount);
return true;
}
// Get name
string getTextureImageName (int textureTarget, int mipLevel, int imageIndex)
{
std::ostringstream result;
result << "Level";
result << mipLevel;
switch (textureTarget)
{
case GL_TEXTURE_2D: break;
case GL_TEXTURE_3D: result << "Slice" << imageIndex; break;
case GL_TEXTURE_CUBE_MAP: result << "Face" << imageIndex; break;
case GL_TEXTURE_2D_ARRAY: result << "Layer" << imageIndex; break;
default:
DE_FATAL("Unsupported texture target");
break;
}
return result.str();
}
// Get description
string getTextureImageDescription (int textureTarget, int mipLevel, int imageIndex)
{
std::ostringstream result;
result << "level ";
result << mipLevel;
switch (textureTarget)
{
case GL_TEXTURE_2D: break;
case GL_TEXTURE_3D: result << " and Slice " << imageIndex; break;
case GL_TEXTURE_CUBE_MAP: result << " and Face " << imageIndex; break;
case GL_TEXTURE_2D_ARRAY: result << " and Layer " << imageIndex; break;
default:
DE_FATAL("Unsupported texture target");
break;
}
return result.str();
}
// Compute texture coordinates
void computeQuadTexCoords(vector<float>& texCoord, const TextureImageIterator& iteration)
{
const int currentImage = iteration.getCurrentImage();
switch (iteration.getTarget())
{
case GL_TEXTURE_2D:
computeQuadTexCoord2D(texCoord, tcu::Vec2(0.0f, 0.0f), tcu::Vec2(1.0f, 1.0f));
break;
case GL_TEXTURE_3D:
{
const float r = (float(currentImage) + 0.5f) / (float)iteration.getLevelImageCount();
computeQuadTexCoord3D(texCoord, tcu::Vec3(0.0f, 0.0f, r), tcu::Vec3(1.0f, 1.0f, r), tcu::IVec3(0, 1, 2));
break;
}
case GL_TEXTURE_CUBE_MAP:
computeQuadTexCoordCube(texCoord, glu::getCubeFaceFromGL(mapFaceNdxToFace(currentImage)));
break;
case GL_TEXTURE_2D_ARRAY:
computeQuadTexCoord2DArray(texCoord, currentImage, tcu::Vec2(0.0f, 0.0f), tcu::Vec2(1.0f, 1.0f));
break;
default:
DE_FATAL("Unsupported texture target");
}
}
// Struct for storing each reference image with necessary metadata.
struct CellContents
{
IVec2 origin;
tcu::Surface reference;
std::string name;
std::string description;
};
// Return format that has more restrictions on texel data.
deUint32 getMoreRestrictiveFormat (deUint32 formatA, deUint32 formatB)
{
if (formatA == formatB)
return formatA;
else if (glu::isCompressedFormat(formatA) && isAstcFormat(glu::mapGLCompressedTexFormat(formatA)))
return formatA;
else if (glu::isCompressedFormat(formatB) && isAstcFormat(glu::mapGLCompressedTexFormat(formatB)))
return formatB;
else if (isFloatFormat(formatA))
{
DE_ASSERT(!isFloatFormat(formatB));
return formatA;
}
else if (isFloatFormat(formatB))
{
DE_ASSERT(!isFloatFormat(formatA));
return formatB;
}
else if (glu::isCompressedFormat(formatA))
{
return formatA;
}
else if (glu::isCompressedFormat(formatB))
{
return formatB;
}
else
return formatA;
}
int getTexelBlockSize (deUint32 format)
{
if (glu::isCompressedFormat(format))
return tcu::getBlockSize(glu::mapGLCompressedTexFormat(format));
else
return glu::mapGLInternalFormat(format).getPixelSize();
}
IVec3 getTexelBlockPixelSize (deUint32 format)
{
if (glu::isCompressedFormat(format))
return tcu::getBlockPixelSize(glu::mapGLCompressedTexFormat(format));
else
return IVec3(1, 1, 1);
}
bool isColorRenderable (deUint32 format)
{
switch (format)
{
case GL_R8:
case GL_RG8:
case GL_RGB8:
case GL_RGB565:
case GL_RGB4:
case GL_RGB5_A1:
case GL_RGBA8:
case GL_RGB10_A2:
case GL_RGB10_A2UI:
case GL_SRGB8_ALPHA8:
case GL_R8I:
case GL_R8UI:
case GL_R16I:
case GL_R16UI:
case GL_R32I:
case GL_R32UI:
case GL_RG8I:
case GL_RG8UI:
case GL_RG16I:
case GL_RG16UI:
case GL_RG32I:
case GL_RG32UI:
case GL_RGBA8I:
case GL_RGBA8UI:
case GL_RGBA16I:
case GL_RGBA16UI:
case GL_RGBA32I:
case GL_RGBA32UI:
return true;
default:
return false;
}
}
deUint32 getTypeForInternalFormat (deUint32 format)
{
return glu::getTransferFormat(glu::mapGLInternalFormat(format)).dataType;
}
void genTexel (de::Random& rng, deUint32 glFormat, int texelBlockSize, const int texelCount, deUint8* buffer)
{
if (isFloatFormat(glFormat))
{
const tcu::TextureFormat format = glu::mapGLInternalFormat(glFormat);
const tcu::PixelBufferAccess access (format, texelCount, 1, 1, buffer);
const tcu::TextureFormatInfo info = tcu::getTextureFormatInfo(format);
for (int texelNdx = 0; texelNdx < texelCount; texelNdx++)
{
const float red = rng.getFloat(info.valueMin.x(), info.valueMax.x());
const float green = rng.getFloat(info.valueMin.y(), info.valueMax.y());
const float blue = rng.getFloat(info.valueMin.z(), info.valueMax.z());
const float alpha = rng.getFloat(info.valueMin.w(), info.valueMax.w());
const Vec4 color (red, green, blue, alpha);
access.setPixel(color, texelNdx, 0, 0);
}
}
else if (glu::isCompressedFormat(glFormat))
{
const tcu::CompressedTexFormat compressedFormat = glu::mapGLCompressedTexFormat(glFormat);
if (tcu::isAstcFormat(compressedFormat))
{
const int BLOCK_SIZE = 16;
const deUint8 blocks[][BLOCK_SIZE] =
{
// \note All of the following blocks are valid in LDR mode.
{ 252, 253, 255, 255, 255, 255, 255, 255, 8, 71, 90, 78, 22, 17, 26, 66, },
{ 252, 253, 255, 255, 255, 255, 255, 255, 220, 74, 139, 235, 249, 6, 145, 125 },
{ 252, 253, 255, 255, 255, 255, 255, 255, 223, 251, 28, 206, 54, 251, 160, 174 },
{ 252, 253, 255, 255, 255, 255, 255, 255, 39, 4, 153, 219, 180, 61, 51, 37 },
{ 67, 2, 0, 254, 1, 0, 64, 215, 83, 211, 159, 105, 41, 140, 50, 2 },
{ 67, 130, 0, 170, 84, 255, 65, 215, 83, 211, 159, 105, 41, 140, 50, 2 },
{ 67, 2, 129, 38, 51, 229, 95, 215, 83, 211, 159, 105, 41, 140, 50, 2 },
{ 67, 130, 193, 56, 213, 144, 95, 215, 83, 211, 159, 105, 41, 140, 50, 2 }
};
DE_ASSERT(texelBlockSize == BLOCK_SIZE);
for (int i = 0; i < texelCount; i++)
{
const int blockNdx = rng.getInt(0, DE_LENGTH_OF_ARRAY(blocks)-1);
deMemcpy(buffer + i * BLOCK_SIZE, blocks[blockNdx], BLOCK_SIZE);
}
}
else
{
for (int i = 0; i < texelBlockSize * texelCount; i++)
{
const deUint8 val = rng.getUint8();
buffer[i] = val;
}
}
}
else
{
for (int i = 0; i < texelBlockSize * texelCount; i++)
{
const deUint8 val = rng.getUint8();
buffer[i] = val;
}
}
}
IVec3 divRoundUp (const IVec3& a, const IVec3& b)
{
IVec3 res;
for (int i =0; i < 3; i++)
res[i] = a[i] / b[i] + ((a[i] % b[i]) ? 1 : 0);
return res;
}
deUint32 getFormatForInternalFormat (deUint32 format)
{
return glu::getTransferFormat(glu::mapGLInternalFormat(format)).format;
}
void genericTexImage (const glw::Functions& gl,
deUint32 target,
int faceNdx,
int level,
const IVec3& size,
deUint32 format,
size_t dataSize,
const void* data)
{
const deUint32 glTarget = (target == GL_TEXTURE_CUBE_MAP ? mapFaceNdxToFace(faceNdx) : target);
DE_ASSERT(target == GL_TEXTURE_CUBE_MAP || faceNdx == 0);
if (glu::isCompressedFormat(format))
{
switch (getTargetTexDims(target))
{
case 2:
DE_ASSERT(size.z() == 1);
gl.compressedTexImage2D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), 0, (glw::GLsizei)dataSize, data);
GLU_EXPECT_NO_ERROR(gl.getError(), "glCompressedTexImage2D failed.");
break;
case 3:
gl.compressedTexImage3D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), (glw::GLsizei)size.z(), 0, (glw::GLsizei)dataSize, data);
GLU_EXPECT_NO_ERROR(gl.getError(), "glCompressedTexImage3D failed.");
break;
default:
DE_ASSERT(false);
}
}
else
{
const deUint32 glFormat = getFormatForInternalFormat(format);
const deUint32 glType = getTypeForInternalFormat(format);
switch (getTargetTexDims(target))
{
case 2:
DE_ASSERT(size.z() == 1);
gl.texImage2D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), 0, glFormat, glType, data);
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexImage2D failed.");
break;
case 3:
gl.texImage3D(glTarget, level, format, (glw::GLsizei)size.x(), (glw::GLsizei)size.y(), (glw::GLsizei)size.z(), 0, glFormat, glType, data);
GLU_EXPECT_NO_ERROR(gl.getError(), "glTexImage3D failed.");
break;
default:
DE_ASSERT(false);
}
}
}
void genTextureImage (const glw::Functions& gl,
de::Random& rng,
deUint32 name,
vector<ArrayBuffer<deUint8> >& levels,
const ImageInfo& info,
deUint32 moreRestrictiveFormat)
{
const int texelBlockSize = getTexelBlockSize(info.getFormat());
const IVec3 texelBlockPixelSize = getTexelBlockPixelSize(info.getFormat());
levels.resize(getLevelCount(info));
gl.pixelStorei(GL_UNPACK_ALIGNMENT, 1);
GLU_EXPECT_NO_ERROR(gl.getError(), "Setting pixel store aligment failed.");
gl.bindTexture(info.getTarget(), name);
GLU_EXPECT_NO_ERROR(gl.getError(), "Binding texture failed.");
for (int levelNdx = 0; levelNdx < getLevelCount(info); levelNdx++)
{
ArrayBuffer<deUint8>& level = levels[levelNdx];
const int faceCount = (info.getTarget() == GL_TEXTURE_CUBE_MAP ? 6 : 1);
const IVec3 levelPixelSize = getLevelSize(info.getTarget(), info.getSize(), levelNdx);
const IVec3 levelTexelBlockSize = divRoundUp(levelPixelSize, texelBlockPixelSize);
const int levelTexelBlockCount = levelTexelBlockSize.x() * levelTexelBlockSize.y() * levelTexelBlockSize.z();
const int levelSize = levelTexelBlockCount * texelBlockSize;
level.setStorage(levelSize * faceCount);
for (int faceNdx = 0; faceNdx < faceCount; faceNdx++)
{
genTexel(rng, moreRestrictiveFormat, texelBlockSize, levelTexelBlockCount, level.getElementPtr(faceNdx * levelSize));
genericTexImage(gl, info.getTarget(), faceNdx, levelNdx, levelPixelSize, info.getFormat(), levelSize, level.getElementPtr(faceNdx * levelSize));
}
}
gl.texParameteri(info.getTarget(), GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl.texParameteri(info.getTarget(), GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
if (info.getTarget() == GL_TEXTURE_3D)
gl.texParameteri(info.getTarget(), GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
gl.texParameteri(info.getTarget(), GL_TEXTURE_MIN_FILTER, GL_NEAREST);
gl.texParameteri(info.getTarget(), GL_TEXTURE_MAG_FILTER, GL_NEAREST);
GLU_EXPECT_NO_ERROR(gl.getError(), "Setting texture parameters failed");
gl.bindTexture(info.getTarget(), 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "Unbinding texture failed.");
}
void genRenderbufferImage (const glw::Functions& gl,
de::Random& rng,
deUint32 name,
vector<ArrayBuffer<deUint8> >& levels,
const ImageInfo& info,
deUint32 moreRestrictiveFormat)
{
const IVec3 size = info.getSize();
const tcu::TextureFormat format = glu::mapGLInternalFormat(info.getFormat());
DE_ASSERT(info.getTarget() == GL_RENDERBUFFER);
DE_ASSERT(info.getSize().z() == 1);
DE_ASSERT(getLevelCount(info) == 1);
DE_ASSERT(!glu::isCompressedFormat(info.getFormat()));
glu::Framebuffer framebuffer(gl);
levels.resize(1);
levels[0].setStorage(format.getPixelSize() * size.x() * size.y());
tcu::PixelBufferAccess refAccess(format, size.x(), size.y(), 1, levels[0].getPtr());
gl.bindRenderbuffer(GL_RENDERBUFFER, name);
gl.renderbufferStorage(GL_RENDERBUFFER, info.getFormat(), info.getSize().x(), info.getSize().y());
GLU_EXPECT_NO_ERROR(gl.getError(), "Binding and setting storage for renderbuffer failed.");
gl.bindFramebuffer(GL_FRAMEBUFFER, *framebuffer);
gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, name);
GLU_EXPECT_NO_ERROR(gl.getError(), "Binding framebuffer and attaching renderbuffer failed.");
{
vector<deUint8> texelBlock(format.getPixelSize());
if (isFixedPointFormat(info.getFormat()))
{
// All zeroes is only bit pattern that fixed point values can be
// cleared to and that is valid floating point value.
if (isFloatFormat(moreRestrictiveFormat))
deMemset(&texelBlock[0], 0x0, texelBlock.size());
else
{
// Fixed point values can be only cleared to all 0 or 1.
const deInt32 fill = rng.getBool() ? 0xFF : 0x0;
deMemset(&texelBlock[0], fill, texelBlock.size());
}
}
else
genTexel(rng, moreRestrictiveFormat, format.getPixelSize(), 1, &(texelBlock[0]));
{
const tcu::ConstPixelBufferAccess texelAccess (format, 1, 1, 1, &(texelBlock[0]));
if (isIntFormat(info.getFormat()))
{
const tcu::IVec4 color = texelAccess.getPixelInt(0, 0, 0);
gl.clearBufferiv(GL_COLOR, 0, (const deInt32*)&color);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear renderbuffer.");
DE_ASSERT(!tcu::isSRGB(format));
tcu::clear(refAccess, color);
}
else if (isUintFormat(info.getFormat()))
{
const tcu::IVec4 color = texelAccess.getPixelInt(0, 0, 0);
gl.clearBufferuiv(GL_COLOR, 0, (const deUint32*)&color);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear renderbuffer.");
DE_ASSERT(!tcu::isSRGB(format));
tcu::clear(refAccess, color);
}
else
{
const tcu::Vec4 rawColor = texelAccess.getPixel(0, 0, 0);
const tcu::Vec4 linearColor = (tcu::isSRGB(format) ? tcu::sRGBToLinear(rawColor) : rawColor);
// rawColor bit pattern has been chosen to be "safe" in the destination format. For sRGB
// formats, the clear color is in linear space. Since we want the resulting bit pattern
// to be safe after implementation linear->sRGB transform, we must apply the inverting
// transform to the clear color.
if (isFloatFormat(info.getFormat()))
{
gl.clearBufferfv(GL_COLOR, 0, (const float*)&linearColor);
}
else
{
// fixed-point
gl.clearColor(linearColor.x(), linearColor.y(), linearColor.z(), linearColor.w());
gl.clear(GL_COLOR_BUFFER_BIT);
}
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to clear renderbuffer.");
tcu::clear(refAccess, rawColor);
}
}
}
gl.bindRenderbuffer(GL_RENDERBUFFER, 0);
gl.bindFramebuffer(GL_FRAMEBUFFER, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind renderbufer and framebuffer.");
}
void genImage (const glw::Functions& gl,
de::Random& rng,
deUint32 name,
vector<ArrayBuffer<deUint8> >& levels,
const ImageInfo& info,
deUint32 moreRestrictiveFormat)
{
if (isTextureTarget(info.getTarget()))
genTextureImage(gl, rng, name, levels, info, moreRestrictiveFormat);
else
genRenderbufferImage(gl, rng, name, levels, info, moreRestrictiveFormat);
}
IVec3 getTexelBlockStride (const ImageInfo& info, int level)
{
const IVec3 size = getLevelSize(info.getTarget(), info.getSize(), level);
const int texelBlockSize = getTexelBlockSize(info.getFormat());
const IVec3 texelBlockPixelSize = getTexelBlockPixelSize(info.getFormat());
const IVec3 textureTexelBlockSize = divRoundUp(size, texelBlockPixelSize);
return IVec3(texelBlockSize, textureTexelBlockSize.x() * texelBlockSize, textureTexelBlockSize.x() * textureTexelBlockSize.y() * texelBlockSize);
}
int sumComponents (const IVec3& v)
{
int s = 0;
for (int i = 0; i < 3; i++)
s += v[i];
return s;
}
void copyImageData (vector<ArrayBuffer<deUint8> >& dstImageData,
const ImageInfo& dstImageInfo,
int dstLevel,
const IVec3& dstPos,
const vector<ArrayBuffer<deUint8> >& srcImageData,
const ImageInfo& srcImageInfo,
int srcLevel,
const IVec3& srcPos,
const IVec3& copySize)
{
const ArrayBuffer<deUint8>& srcLevelData = srcImageData[srcLevel];
ArrayBuffer<deUint8>& dstLevelData = dstImageData[dstLevel];
const IVec3 srcTexelBlockPixelSize = getTexelBlockPixelSize(srcImageInfo.getFormat());
const int srcTexelBlockSize = getTexelBlockSize(srcImageInfo.getFormat());
const IVec3 srcTexelPos = srcPos / srcTexelBlockPixelSize;
const IVec3 srcTexelBlockStride = getTexelBlockStride(srcImageInfo, srcLevel);
const IVec3 dstTexelBlockPixelSize = getTexelBlockPixelSize(dstImageInfo.getFormat());
const int dstTexelBlockSize = getTexelBlockSize(dstImageInfo.getFormat());
const IVec3 dstTexelPos = dstPos / dstTexelBlockPixelSize;
const IVec3 dstTexelBlockStride = getTexelBlockStride(dstImageInfo, dstLevel);
const IVec3 copyTexelBlockCount = copySize / srcTexelBlockPixelSize;
const int texelBlockSize = srcTexelBlockSize;
DE_ASSERT(srcTexelBlockSize == dstTexelBlockSize);
DE_UNREF(dstTexelBlockSize);
DE_ASSERT((copySize.x() % srcTexelBlockPixelSize.x()) == 0);
DE_ASSERT((copySize.y() % srcTexelBlockPixelSize.y()) == 0);
DE_ASSERT((copySize.z() % srcTexelBlockPixelSize.z()) == 0);
DE_ASSERT((srcPos.x() % srcTexelBlockPixelSize.x()) == 0);
DE_ASSERT((srcPos.y() % srcTexelBlockPixelSize.y()) == 0);
DE_ASSERT((srcPos.z() % srcTexelBlockPixelSize.z()) == 0);
for (int z = 0; z < copyTexelBlockCount.z(); z++)
for (int y = 0; y < copyTexelBlockCount.y(); y++)
{
const IVec3 blockPos (0, y, z);
const deUint8* const srcPtr = srcLevelData.getElementPtr(sumComponents((srcTexelPos + blockPos) * srcTexelBlockStride));
deUint8* const dstPtr = dstLevelData.getElementPtr(sumComponents((dstTexelPos + blockPos) * dstTexelBlockStride));
const int copyLineSize = copyTexelBlockCount.x() * texelBlockSize;
deMemcpy(dstPtr, srcPtr, copyLineSize);
}
}
vector<tcu::ConstPixelBufferAccess> getLevelAccesses (const vector<ArrayBuffer<deUint8> >& data, const ImageInfo& info)
{
const tcu::TextureFormat format = glu::mapGLInternalFormat(info.getFormat());
const IVec3 size = info.getSize();
vector<tcu::ConstPixelBufferAccess> result;
DE_ASSERT((int)data.size() == getLevelCount(info));
for (int level = 0; level < (int)data.size(); level++)
{
const IVec3 levelSize = getLevelSize(info.getTarget(), size, level);
result.push_back(tcu::ConstPixelBufferAccess(format, levelSize.x(), levelSize.y(), levelSize.z(), data[level].getPtr()));
}
return result;
}
vector<tcu::ConstPixelBufferAccess> getCubeLevelAccesses (const vector<ArrayBuffer<deUint8> >& data,
const ImageInfo& info,
int faceNdx)
{
const tcu::TextureFormat format = glu::mapGLInternalFormat(info.getFormat());
const IVec3 size = info.getSize();
const int texelBlockSize = getTexelBlockSize(info.getFormat());
const IVec3 texelBlockPixelSize = getTexelBlockPixelSize(info.getFormat());
vector<tcu::ConstPixelBufferAccess> result;
DE_ASSERT(info.getTarget() == GL_TEXTURE_CUBE_MAP);
DE_ASSERT((int)data.size() == getLevelCount(info));
for (int level = 0; level < (int)data.size(); level++)
{
const IVec3 levelPixelSize = getLevelSize(info.getTarget(), size, level);
const IVec3 levelTexelBlockSize = divRoundUp(levelPixelSize, texelBlockPixelSize);
const int levelTexelBlockCount = levelTexelBlockSize.x() * levelTexelBlockSize.y() * levelTexelBlockSize.z();
const int levelSize = levelTexelBlockCount * texelBlockSize;
result.push_back(tcu::ConstPixelBufferAccess(format, levelPixelSize.x(), levelPixelSize.y(), levelPixelSize.z(), data[level].getElementPtr(levelSize * faceNdx)));
}
return result;
}
void copyImage (const glw::Functions& gl,
deUint32 dstName,
vector<ArrayBuffer<deUint8> >& dstImageData,
const ImageInfo& dstImageInfo,
int dstLevel,
const IVec3& dstPos,
deUint32 srcName,
const vector<ArrayBuffer<deUint8> >& srcImageData,
const ImageInfo& srcImageInfo,
int srcLevel,
const IVec3& srcPos,
const IVec3& copySize)
{
gl.copyImageSubData(srcName, srcImageInfo.getTarget(), srcLevel, srcPos.x(), srcPos.y(), srcPos.z(),
dstName, dstImageInfo.getTarget(), dstLevel, dstPos.x(), dstPos.y(), dstPos.z(),
copySize.x(), copySize.y(), copySize.z());
GLU_EXPECT_NO_ERROR(gl.getError(), "glCopyImageSubData failed.");
copyImageData(dstImageData, dstImageInfo, dstLevel, dstPos,
srcImageData, srcImageInfo, srcLevel, srcPos, copySize);
}
template<class TextureView>
void renderTexture (glu::RenderContext& renderContext,
TextureRenderer& renderer,
ReferenceParams& renderParams,
tcu::ResultCollector& results,
de::Random& rng,
const TextureView& refTexture,
const Verify verify,
TextureImageIterator& imageIterator,
tcu::TestLog& log)
{
const tcu::RenderTarget& renderTarget = renderContext.getRenderTarget();
const tcu::RGBA threshold = renderTarget.getPixelFormat().getColorThreshold() + tcu::RGBA(1,1,1,1);
const glw::Functions& gl = renderContext.getFunctions();
const IVec2 renderTargetSize = IVec2(renderTarget.getWidth(), renderTarget.getHeight());
while (imageIterator.hasNextImage())
{
// \note: Reserve space upfront to avoid assigning tcu::Surface, which incurs buffer mem copy. Using a
// conservative estimate for simplicity
const int imagesOnLevel = imageIterator.getLevelImageCount();
const int imageEstimate = (imageIterator.getMipLevelCount() - imageIterator.getMipLevel()) * imagesOnLevel;
RandomizedRenderGrid renderGrid (renderTargetSize, imageIterator.getSize(), imageEstimate, rng.getUint32());
vector<CellContents> cellContents (renderGrid.getCellCount());
int cellsUsed = 0;
// \note: Ordering of conditions is significant. If put the other way around, the code would skip one of the
// images if the grid runs out of cells before the texture runs out of images. Advancing one grid cell over the
// needed number has no negative impact.
while (renderGrid.nextCell() && imageIterator.nextImage())
{
const int level = imageIterator.getMipLevel();
const IVec2 levelSize = imageIterator.getSize();
const IVec2 origin = renderGrid.getOrigin();
vector<float> texCoord;
DE_ASSERT(imageIterator.getTarget() != GL_TEXTURE_CUBE_MAP || levelSize.x() >= 4 || levelSize.y() >= 4);
renderParams.baseLevel = level;
renderParams.maxLevel = level;
gl.texParameteri(imageIterator.getTarget(), GL_TEXTURE_BASE_LEVEL, level);
gl.texParameteri(imageIterator.getTarget(), GL_TEXTURE_MAX_LEVEL, level);
computeQuadTexCoords(texCoord, imageIterator);
// Setup base viewport.
gl.viewport(origin.x(), origin.y(), levelSize.x(), levelSize.y());
// Draw.
renderer.renderQuad(0, &texCoord[0], renderParams);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to render.");
if (verify == VERIFY_COMPARE_REFERENCE)
{
const int target = imageIterator.getTarget();
const int imageIndex = imageIterator.getCurrentImage();
cellContents[cellsUsed].origin = origin;
cellContents[cellsUsed].name = getTextureImageName(target, level, imageIndex);
cellContents[cellsUsed].description = getTextureImageDescription(target, level, imageIndex);
cellContents[cellsUsed].reference.setSize(levelSize.x(), levelSize.y());
// Compute reference.
sampleTexture(tcu::SurfaceAccess(cellContents[cellsUsed].reference, renderContext.getRenderTarget().getPixelFormat()), refTexture, &texCoord[0], renderParams);
cellsUsed++;
}
}
if (cellsUsed > 0)
{
const IVec4 boundingBox = renderGrid.getUsedAreaBoundingBox();
tcu::Surface renderedFrame (boundingBox[2], boundingBox[3]);
glu::readPixels(renderContext, boundingBox.x(), boundingBox.y(), renderedFrame.getAccess());
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to read pixels.");
for (int idx = 0; idx < cellsUsed; idx++)
{
const CellContents& cell (cellContents[idx]);
const IVec2 cellOrigin = cell.origin - boundingBox.toWidth<2>();
const tcu::ConstPixelBufferAccess resultAccess = getSubregion(renderedFrame.getAccess(), cellOrigin.x(), cellOrigin.y(), cell.reference.getWidth(), cell.reference.getHeight());
if (!intThresholdCompare(log, cell.name.c_str(), cell.description.c_str(), cell.reference.getAccess(), resultAccess, threshold.toIVec().cast<deUint32>(), tcu::COMPARE_LOG_ON_ERROR))
results.fail("Image comparison of " + cell.description + " failed.");
else
log << TestLog::Message << "Image comparison of " << cell.description << " passed." << TestLog::EndMessage;;
}
}
}
gl.texParameteri(imageIterator.getTarget(), GL_TEXTURE_BASE_LEVEL, 0);
gl.texParameteri(imageIterator.getTarget(), GL_TEXTURE_MAX_LEVEL, 1000);
}
void renderTexture2DView (tcu::TestContext& testContext,
glu::RenderContext& renderContext,
TextureRenderer& renderer,
tcu::ResultCollector& results,
de::Random& rng,
deUint32 name,
const ImageInfo& info,
const tcu::Texture2DView& refTexture,
Verify verify)
{
tcu::TestLog& log = testContext.getLog();
const glw::Functions& gl = renderContext.getFunctions();
const tcu::TextureFormat format = refTexture.getLevel(0).getFormat();
const tcu::TextureFormatInfo spec = tcu::getTextureFormatInfo(format);
ReferenceParams renderParams (TEXTURETYPE_2D);
TextureImageIterator imageIterator (info, getLevelCount(info));
renderParams.samplerType = getSamplerType(format);
renderParams.sampler = Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
renderParams.colorScale = spec.lookupScale;
renderParams.colorBias = spec.lookupBias;
gl.activeTexture(GL_TEXTURE0);
gl.bindTexture(GL_TEXTURE_2D, name);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
gl.texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
renderTexture<tcu::Texture2DView>(renderContext, renderer, renderParams, results, rng, refTexture, verify, imageIterator, log);
gl.bindTexture(GL_TEXTURE_2D, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
}
void decompressTextureLevel (const tcu::TexDecompressionParams& params,
ArrayBuffer<deUint8>& levelData,
tcu::PixelBufferAccess& levelAccess,
const tcu::CompressedTexFormat& compressedFormat,
const tcu::TextureFormat& decompressedFormat,
const IVec3& levelPixelSize,
const void* data)
{
levelData.setStorage(levelPixelSize.x() * levelPixelSize.y() * levelPixelSize.z() * decompressedFormat.getPixelSize());
levelAccess = tcu::PixelBufferAccess(decompressedFormat, levelPixelSize.x(), levelPixelSize.y(), levelPixelSize.z(), levelData.getPtr());
tcu::decompress(levelAccess, compressedFormat, (const deUint8*)data, params);
}
void decompressTexture (vector<ArrayBuffer<deUint8> >& levelDatas,
vector<tcu::PixelBufferAccess>& levelAccesses,
glu::RenderContext& renderContext,
const ImageInfo& info,
const vector<ArrayBuffer<deUint8> >& data)
{
const tcu::CompressedTexFormat compressedFormat = glu::mapGLCompressedTexFormat(info.getFormat());
const tcu::TextureFormat decompressedFormat = tcu::getUncompressedFormat(compressedFormat);
const IVec3 size = info.getSize();
const bool isES32 = glu::contextSupports(renderContext.getType(), glu::ApiType::es(3, 2));
de::UniquePtr<glu::ContextInfo> ctxInfo (glu::ContextInfo::create(renderContext));
tcu::TexDecompressionParams decompressParams;
if (tcu::isAstcFormat(compressedFormat))
{
if (ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_hdr") && !tcu::isAstcSRGBFormat(compressedFormat))
decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_HDR);
else if (isES32 || ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_ldr"))
decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_LDR);
else
DE_ASSERT(false);
}
levelDatas.resize(getLevelCount(info));
levelAccesses.resize(getLevelCount(info));
for (int level = 0; level < getLevelCount(info); level++)
{
const IVec3 levelPixelSize = getLevelSize(info.getTarget(), size, level);
de::ArrayBuffer<deUint8>& levelData = levelDatas[level];
tcu::PixelBufferAccess& levelAccess = levelAccesses[level];
decompressTextureLevel(decompressParams, levelData, levelAccess, compressedFormat, decompressedFormat, levelPixelSize, data[level].getPtr());
}
}
void renderTexture2D (tcu::TestContext& testContext,
glu::RenderContext& renderContext,
TextureRenderer& textureRenderer,
tcu::ResultCollector& results,
de::Random& rng,
deUint32 name,
const vector<ArrayBuffer<deUint8> >& data,
const ImageInfo& info,
Verify verify)
{
if (glu::isCompressedFormat(info.getFormat()))
{
vector<de::ArrayBuffer<deUint8> > levelDatas;
vector<tcu::PixelBufferAccess> levelAccesses;
decompressTexture(levelDatas, levelAccesses, renderContext, info, data);
{
const tcu::Texture2DView refTexture((int)levelAccesses.size(), &(levelAccesses[0]));
renderTexture2DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture, verify);
}
}
else
{
const vector<tcu::ConstPixelBufferAccess> levelAccesses = getLevelAccesses(data, info);
const tcu::Texture2DView refTexture ((int)levelAccesses.size(), &(levelAccesses[0]));
renderTexture2DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture, verify);
}
}
void renderTexture3DView (tcu::TestContext& testContext,
glu::RenderContext& renderContext,
TextureRenderer& renderer,
tcu::ResultCollector& results,
de::Random& rng,
deUint32 name,
const ImageInfo& info,
const tcu::Texture3DView& refTexture,
Verify verify)
{
tcu::TestLog& log = testContext.getLog();
const glw::Functions& gl = renderContext.getFunctions();
const tcu::TextureFormat format = refTexture.getLevel(0).getFormat();
const tcu::TextureFormatInfo spec = tcu::getTextureFormatInfo(format);
ReferenceParams renderParams (TEXTURETYPE_3D);
TextureImageIterator imageIterator (info, getLevelCount(info));
renderParams.samplerType = getSamplerType(format);
renderParams.sampler = Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
renderParams.colorScale = spec.lookupScale;
renderParams.colorBias = spec.lookupBias;
gl.activeTexture(GL_TEXTURE0);
gl.bindTexture(GL_TEXTURE_3D, name);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
gl.texParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
renderTexture<tcu::Texture3DView>(renderContext, renderer, renderParams, results, rng, refTexture, verify, imageIterator, log);
gl.bindTexture(GL_TEXTURE_3D, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
}
void renderTexture3D (tcu::TestContext& testContext,
glu::RenderContext& renderContext,
TextureRenderer& textureRenderer,
tcu::ResultCollector& results,
de::Random& rng,
deUint32 name,
const vector<ArrayBuffer<deUint8> >& data,
const ImageInfo& info,
Verify verify)
{
if (glu::isCompressedFormat(info.getFormat()))
{
vector<de::ArrayBuffer<deUint8> > levelDatas;
vector<tcu::PixelBufferAccess> levelAccesses;
decompressTexture(levelDatas, levelAccesses, renderContext, info, data);
{
const tcu::Texture3DView refTexture((int)levelAccesses.size(), &(levelAccesses[0]));
renderTexture3DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture, verify);
}
}
else
{
const vector<tcu::ConstPixelBufferAccess> levelAccesses = getLevelAccesses(data, info);
const tcu::Texture3DView refTexture ((int)levelAccesses.size(), &(levelAccesses[0]));
renderTexture3DView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture, verify);
}
}
void renderTextureCubemapView (tcu::TestContext& testContext,
glu::RenderContext& renderContext,
TextureRenderer& renderer,
tcu::ResultCollector& results,
de::Random& rng,
deUint32 name,
const ImageInfo& info,
const tcu::TextureCubeView& refTexture,
Verify verify)
{
tcu::TestLog& log = testContext.getLog();
const glw::Functions& gl = renderContext.getFunctions();
const tcu::TextureFormat format = refTexture.getLevelFace(0, tcu::CUBEFACE_POSITIVE_X).getFormat();
const tcu::TextureFormatInfo spec = tcu::getTextureFormatInfo(format);
ReferenceParams renderParams (TEXTURETYPE_CUBE);
// \note It seems we can't reliably sample two smallest texture levels with cubemaps
TextureImageIterator imageIterator (info, getLevelCount(info) - 2);
renderParams.samplerType = getSamplerType(format);
renderParams.sampler = Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
renderParams.colorScale = spec.lookupScale;
renderParams.colorBias = spec.lookupBias;
gl.activeTexture(GL_TEXTURE0);
gl.bindTexture(GL_TEXTURE_CUBE_MAP, name);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
gl.texParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
renderTexture<tcu::TextureCubeView>(renderContext, renderer, renderParams, results, rng, refTexture, verify, imageIterator, log);
gl.bindTexture(GL_TEXTURE_CUBE_MAP, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
}
void renderTextureCubemap (tcu::TestContext& testContext,
glu::RenderContext& renderContext,
TextureRenderer& textureRenderer,
tcu::ResultCollector& results,
de::Random& rng,
deUint32 name,
const vector<ArrayBuffer<deUint8> >& data,
const ImageInfo& info,
Verify verify)
{
if (glu::isCompressedFormat(info.getFormat()))
{
const tcu::CompressedTexFormat& compressedFormat = glu::mapGLCompressedTexFormat(info.getFormat());
const tcu::TextureFormat& decompressedFormat = tcu::getUncompressedFormat(compressedFormat);
const int texelBlockSize = getTexelBlockSize(info.getFormat());
const IVec3 texelBlockPixelSize = getTexelBlockPixelSize(info.getFormat());
const bool isES32 = glu::contextSupports(renderContext.getType(), glu::ApiType::es(3, 2));
vector<tcu::PixelBufferAccess> levelAccesses[6];
vector<ArrayBuffer<deUint8> > levelDatas[6];
de::UniquePtr<glu::ContextInfo> ctxInfo (glu::ContextInfo::create(renderContext));
tcu::TexDecompressionParams decompressParams;
if (tcu::isAstcFormat(compressedFormat))
{
if (ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_hdr") && !tcu::isAstcSRGBFormat(compressedFormat))
decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_HDR);
else if (isES32 || ctxInfo->isExtensionSupported("GL_KHR_texture_compression_astc_ldr"))
decompressParams = tcu::TexDecompressionParams(tcu::TexDecompressionParams::ASTCMODE_LDR);
else
DE_ASSERT(false);
}
for (int faceNdx = 0; faceNdx < 6; faceNdx++)
{
levelAccesses[faceNdx].resize(getLevelCount(info));
levelDatas[faceNdx].resize(getLevelCount(info));
}
for (int level = 0; level < getLevelCount(info); level++)
{
for (int faceNdx = 0; faceNdx < 6; faceNdx++)
{
const IVec3 levelPixelSize = getLevelSize(info.getTarget(), info.getSize(), level);
const IVec3 levelTexelBlockSize = divRoundUp(levelPixelSize, texelBlockPixelSize);
const int levelTexelBlockCount = levelTexelBlockSize.x() * levelTexelBlockSize.y() * levelTexelBlockSize.z();
const int levelSize = levelTexelBlockCount * texelBlockSize;
const deUint8* dataPtr = data[level].getElementPtr(faceNdx * levelSize);
tcu::PixelBufferAccess& levelAccess = levelAccesses[faceNdx][level];
ArrayBuffer<deUint8>& levelData = levelDatas[faceNdx][level];
decompressTextureLevel(decompressParams, levelData, levelAccess, compressedFormat, decompressedFormat, levelPixelSize, dataPtr);
}
}
const tcu::ConstPixelBufferAccess* levels[6];
for (int faceNdx = 0; faceNdx < 6; faceNdx++)
levels[glu::getCubeFaceFromGL(mapFaceNdxToFace(faceNdx))] = &(levelAccesses[faceNdx][0]);
{
const tcu::TextureCubeView refTexture(getLevelCount(info), levels);
renderTextureCubemapView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture, verify);
}
}
else
{
const vector<tcu::ConstPixelBufferAccess> levelAccesses[6] =
{
getCubeLevelAccesses(data, info, 0),
getCubeLevelAccesses(data, info, 1),
getCubeLevelAccesses(data, info, 2),
getCubeLevelAccesses(data, info, 3),
getCubeLevelAccesses(data, info, 4),
getCubeLevelAccesses(data, info, 5),
};
const tcu::ConstPixelBufferAccess* levels[6];
for (int faceNdx = 0; faceNdx < 6; faceNdx++)
levels[glu::getCubeFaceFromGL(mapFaceNdxToFace(faceNdx))] = &(levelAccesses[faceNdx][0]);
{
const tcu::TextureCubeView refTexture(getLevelCount(info), levels);
renderTextureCubemapView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture, verify);
}
}
}
void renderTexture2DArrayView (tcu::TestContext& testContext,
glu::RenderContext& renderContext,
TextureRenderer& renderer,
tcu::ResultCollector& results,
de::Random& rng,
deUint32 name,
const ImageInfo& info,
const tcu::Texture2DArrayView& refTexture,
Verify verify)
{
tcu::TestLog& log = testContext.getLog();
const glw::Functions& gl = renderContext.getFunctions();
const tcu::TextureFormat format = refTexture.getLevel(0).getFormat();
const tcu::TextureFormatInfo spec = tcu::getTextureFormatInfo(format);
ReferenceParams renderParams (TEXTURETYPE_2D_ARRAY);
TextureImageIterator imageIterator (info, getLevelCount(info));
renderParams.samplerType = getSamplerType(format);
renderParams.sampler = Sampler(Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::CLAMP_TO_EDGE, Sampler::NEAREST_MIPMAP_NEAREST, Sampler::NEAREST);
renderParams.colorScale = spec.lookupScale;
renderParams.colorBias = spec.lookupBias;
gl.activeTexture(GL_TEXTURE0);
gl.bindTexture(GL_TEXTURE_2D_ARRAY, name);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind texture.");
gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
gl.texParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to setup texture filtering state.");
renderTexture<tcu::Texture2DArrayView>(renderContext, renderer, renderParams, results, rng, refTexture, verify, imageIterator, log);
gl.bindTexture(GL_TEXTURE_2D_ARRAY, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind texture.");
}
void renderTexture2DArray (tcu::TestContext& testContext,
glu::RenderContext& renderContext,
TextureRenderer& textureRenderer,
tcu::ResultCollector& results,
de::Random& rng,
deUint32 name,
const vector<ArrayBuffer<deUint8> >& data,
const ImageInfo& info,
Verify verify)
{
if (glu::isCompressedFormat(info.getFormat()))
{
vector<de::ArrayBuffer<deUint8> > levelDatas;
vector<tcu::PixelBufferAccess> levelAccesses;
decompressTexture(levelDatas, levelAccesses, renderContext, info, data);
{
const tcu::Texture2DArrayView refTexture((int)levelAccesses.size(), &(levelAccesses[0]));
renderTexture2DArrayView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture, verify);
}
}
else
{
const vector<tcu::ConstPixelBufferAccess> levelAccesses = getLevelAccesses(data, info);
const tcu::Texture2DArrayView refTexture ((int)levelAccesses.size(), &(levelAccesses[0]));
renderTexture2DArrayView(testContext, renderContext, textureRenderer, results, rng, name, info, refTexture, verify);
}
}
tcu::TextureFormat getReadPixelFormat (const tcu::TextureFormat& format)
{
switch (tcu::getTextureChannelClass(format.type))
{
case tcu::TEXTURECHANNELCLASS_FLOATING_POINT:
case tcu::TEXTURECHANNELCLASS_SIGNED_FIXED_POINT:
case tcu::TEXTURECHANNELCLASS_UNSIGNED_FIXED_POINT:
return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8);
case tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER:
return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::SIGNED_INT32);
case tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER:
return tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNSIGNED_INT32);
default:
DE_ASSERT(false);
return tcu::TextureFormat();
}
}
Vec4 calculateThreshold (const tcu::TextureFormat& sourceFormat, const tcu::TextureFormat& readPixelsFormat)
{
DE_ASSERT(tcu::getTextureChannelClass(sourceFormat.type) != tcu::TEXTURECHANNELCLASS_FLOATING_POINT);
DE_ASSERT(tcu::getTextureChannelClass(readPixelsFormat.type) != tcu::TEXTURECHANNELCLASS_FLOATING_POINT);
DE_ASSERT(tcu::getTextureChannelClass(sourceFormat.type) != tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER);
DE_ASSERT(tcu::getTextureChannelClass(readPixelsFormat.type) != tcu::TEXTURECHANNELCLASS_SIGNED_INTEGER);
DE_ASSERT(tcu::getTextureChannelClass(sourceFormat.type) != tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER);
DE_ASSERT(tcu::getTextureChannelClass(readPixelsFormat.type) != tcu::TEXTURECHANNELCLASS_UNSIGNED_INTEGER);
{
const tcu::IVec4 srcBits = tcu::getTextureFormatBitDepth(sourceFormat);
const tcu::IVec4 readBits = tcu::getTextureFormatBitDepth(readPixelsFormat);
return Vec4(1.0f) / ((tcu::IVec4(1) << (tcu::min(srcBits, readBits))) - tcu::IVec4(1)).cast<float>();
}
}
void renderRenderbuffer (tcu::TestContext& testContext,
glu::RenderContext& renderContext,
tcu::ResultCollector& results,
deUint32 name,
const vector<ArrayBuffer<deUint8> >& data,
const ImageInfo& info,
Verify verify)
{
const glw::Functions& gl = renderContext.getFunctions();
TestLog& log = testContext.getLog();
const tcu::TextureFormat format = glu::mapGLInternalFormat(info.getFormat());
const IVec3 size = info.getSize();
const tcu::ConstPixelBufferAccess refRenderbuffer (format, size.x(), size.y(), 1, data[0].getPtr());
const tcu::TextureFormat readPixelsFormat = getReadPixelFormat(format);
tcu::TextureLevel renderbuffer (readPixelsFormat, size.x(), size.y());
DE_ASSERT(size.z() == 1);
DE_ASSERT(data.size() == 1);
{
glu::Framebuffer framebuffer(gl);
gl.bindFramebuffer(GL_FRAMEBUFFER, *framebuffer);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to create and bind framebuffer.");
gl.bindRenderbuffer(GL_RENDERBUFFER, name);
gl.framebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, name);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to bind and attach renderbuffer to framebuffer.");
if (verify)
glu::readPixels(renderContext, 0, 0, renderbuffer.getAccess());
gl.bindRenderbuffer(GL_RENDERBUFFER, 0);
gl.bindFramebuffer(GL_FRAMEBUFFER, 0);
GLU_EXPECT_NO_ERROR(gl.getError(), "Failed to unbind renderbuffer and framebuffer.");
}
if (verify == VERIFY_COMPARE_REFERENCE)
{
if (isFloatFormat(info.getFormat()))
{
const tcu::UVec4 threshold (2, 2, 2, 2);
if (!(tcu::floatUlpThresholdCompare(log, "Image comparison", "Image comparison", refRenderbuffer, renderbuffer.getAccess(), threshold, tcu::COMPARE_LOG_ON_ERROR)))
results.fail("Image comparison failed.");
else
log << TestLog::Message << "Image comarison passed." << TestLog::EndMessage;
}
else if (isIntFormat(info.getFormat()) || isUintFormat(info.getFormat()))
{
const tcu::UVec4 threshold (1, 1, 1, 1);
if (!(tcu::intThresholdCompare(log, "Image comparison", "Image comparison", refRenderbuffer, renderbuffer.getAccess(), threshold, tcu::COMPARE_LOG_ON_ERROR)))
results.fail("Image comparison failed.");
else
log << TestLog::Message << "Image comarison passed." << TestLog::EndMessage;
}
else
{
const Vec4 threshold = calculateThreshold(format, readPixelsFormat);
if (!(tcu::floatThresholdCompare(log, "Image comparison", "Image comparison", refRenderbuffer, renderbuffer.getAccess(), threshold, tcu::COMPARE_LOG_ON_ERROR)))
results.fail("Image comparison failed.");
else
log << TestLog::Message << "Image comarison passed." << TestLog::EndMessage;
}
}
}
void render (tcu::TestContext& testContext,
glu::RenderContext& renderContext,
TextureRenderer& textureRenderer,
tcu::ResultCollector& results,
de::Random& rng,
deUint32 name,
const vector<ArrayBuffer<deUint8> >& data,
const ImageInfo& info,
Verify verify)
{
switch (info.getTarget())
{
case GL_TEXTURE_2D:
renderTexture2D(testContext, renderContext, textureRenderer, results, rng, name, data, info, verify);
break;
case GL_TEXTURE_3D:
renderTexture3D(testContext, renderContext, textureRenderer, results, rng, name, data, info, verify);
break;
case GL_TEXTURE_CUBE_MAP:
renderTextureCubemap(testContext, renderContext, textureRenderer, results, rng, name, data, info, verify);
break;
case GL_TEXTURE_2D_ARRAY:
renderTexture2DArray(testContext, renderContext, textureRenderer, results, rng, name, data, info, verify);
break;
case GL_RENDERBUFFER:
renderRenderbuffer(testContext, renderContext, results, name, data, info, verify);
break;
default:
DE_ASSERT(false);
}
}
void logTestImageInfo (TestLog& log,
const ImageInfo& imageInfo)
{
log << TestLog::Message << "Target: " << targetToName(imageInfo.getTarget()) << TestLog::EndMessage;
log << TestLog::Message << "Size: " << imageInfo.getSize() << TestLog::EndMessage;
log << TestLog::Message << "Levels: " << getLevelCount(imageInfo) << TestLog::EndMessage;
log << TestLog::Message << "Format: " << formatToName(imageInfo.getFormat()) << TestLog::EndMessage;
}
void logTestInfo (TestLog& log,
const ImageInfo& srcImageInfo,
const ImageInfo& dstImageInfo)
{
tcu::ScopedLogSection section(log, "TestCaseInfo", "Test case info");
log << TestLog::Message << "Testing copying from " << targetToName(srcImageInfo.getTarget()) << " to " << targetToName(dstImageInfo.getTarget()) << "." << TestLog::EndMessage;
{
tcu::ScopedLogSection srcSection(log, "Source image info.", "Source image info.");
logTestImageInfo(log, srcImageInfo);
}
{
tcu::ScopedLogSection dstSection(log, "Destination image info.", "Destination image info.");
logTestImageInfo(log, dstImageInfo);
}
}
class CopyImageTest : public TestCase
{
public:
CopyImageTest (Context& context,
const ImageInfo& srcImage,
const ImageInfo& dstImage,
const char* name,
const char* description);
~CopyImageTest (void);
void init (void);
void deinit (void);
TestCase::IterateResult iterate (void);
private:
void logTestInfoIter (void);
void createImagesIter (void);
void destroyImagesIter (void);
void verifySourceIter (void);
void verifyDestinationIter (void);
void renderSourceIter (void);
void renderDestinationIter (void);
void copyImageIter (void);
typedef void (CopyImageTest::*IterationFunc)(void);
struct Iteration
{
Iteration (int methodCount_, const IterationFunc* methods_)
: methodCount (methodCount_)
, methods (methods_)
{
}
int methodCount;
const IterationFunc* methods;
};
struct State
{
State (int seed,
tcu::TestLog& log,
glu::RenderContext& renderContext)
: rng (seed)
, results (log)
, srcImage (NULL)
, dstImage (NULL)
, textureRenderer (renderContext, log, glu::getContextTypeGLSLVersion(renderContext.getType()), glu::PRECISION_HIGHP)
{
}
~State (void)
{
delete srcImage;
delete dstImage;
}
de::Random rng;
tcu::ResultCollector results;
glu::ObjectWrapper* srcImage;
glu::ObjectWrapper* dstImage;
TextureRenderer textureRenderer;
vector<ArrayBuffer<deUint8> > srcImageLevels;
vector<ArrayBuffer<deUint8> > dstImageLevels;
};
const ImageInfo m_srcImageInfo;
const ImageInfo m_dstImageInfo;
int m_iteration;
State* m_state;
};
CopyImageTest::CopyImageTest (Context& context,
const ImageInfo& srcImage,
const ImageInfo& dstImage,
const char* name,
const char* description)
: TestCase (context, name, description)
, m_srcImageInfo (srcImage)
, m_dstImageInfo (dstImage)
, m_iteration (0)
, m_state (NULL)
{
}
CopyImageTest::~CopyImageTest (void)
{
deinit();
}
void checkFormatSupport (glu::ContextInfo& info, deUint32 format, deUint32 target, glu::RenderContext& ctx)
{
const bool isES32 = glu::contextSupports(ctx.getType(), glu::ApiType::es(3, 2));
if (glu::isCompressedFormat(format))
{
if (isAstcFormat(glu::mapGLCompressedTexFormat(format)))
{
DE_ASSERT(target != GL_RENDERBUFFER);
if (!info.isExtensionSupported("GL_KHR_texture_compression_astc_hdr") &&
!info.isExtensionSupported("GL_OES_texture_compression_astc"))
{
if (target == GL_TEXTURE_3D)
TCU_THROW(NotSupportedError, "TEXTURE_3D target requires HDR astc support.");
if (!isES32 && !info.isExtensionSupported("GL_KHR_texture_compression_astc_ldr"))
TCU_THROW(NotSupportedError, "Compressed astc texture not supported.");
}
}
else
{
if (!info.isCompressedTextureFormatSupported(format))
TCU_THROW(NotSupportedError, "Compressed texture not supported.");
}
}
}
void CopyImageTest::init (void)
{
de::UniquePtr<glu::ContextInfo> ctxInfo(glu::ContextInfo::create(m_context.getRenderContext()));
const bool isES32 = glu::contextSupports(m_context.getRenderContext().getType(), glu::ApiType::es(3, 2));
if (!isES32 && !ctxInfo->isExtensionSupported("GL_EXT_copy_image"))
throw tcu::NotSupportedError("Extension GL_EXT_copy_image not supported.", "", __FILE__, __LINE__);
checkFormatSupport(*ctxInfo, m_srcImageInfo.getFormat(), m_srcImageInfo.getTarget(), m_context.getRenderContext());
checkFormatSupport(*ctxInfo, m_dstImageInfo.getFormat(), m_dstImageInfo.getTarget(), m_context.getRenderContext());
{
SeedBuilder builder;
builder << 903980
<< m_srcImageInfo
<< m_dstImageInfo;
m_state = new State(builder.get(), m_testCtx.getLog(), m_context.getRenderContext());
}
}
void CopyImageTest::deinit (void)
{
delete m_state;
m_state = NULL;
}
void CopyImageTest::logTestInfoIter (void)
{
TestLog& log = m_testCtx.getLog();
logTestInfo(log, m_srcImageInfo, m_dstImageInfo);
}
void CopyImageTest::createImagesIter (void)
{
TestLog& log = m_testCtx.getLog();
glu::RenderContext& renderContext = m_context.getRenderContext();
const glw::Functions& gl = renderContext.getFunctions();
const deUint32 moreRestrictiveFormat = getMoreRestrictiveFormat(m_srcImageInfo.getFormat(), m_dstImageInfo.getFormat());
de::Random& rng = m_state->rng;
DE_ASSERT(!m_state->srcImage);
DE_ASSERT(!m_state->dstImage);
m_state->srcImage = new glu::ObjectWrapper(gl, getObjectTraits(m_srcImageInfo));
m_state->dstImage = new glu::ObjectWrapper(gl, getObjectTraits(m_dstImageInfo));
{
glu::ObjectWrapper& srcImage = *m_state->srcImage;
glu::ObjectWrapper& dstImage = *m_state->dstImage;
vector<ArrayBuffer<deUint8> >& srcImageLevels = m_state->srcImageLevels;
vector<ArrayBuffer<deUint8> >& dstImageLevels = m_state->dstImageLevels;
log << TestLog::Message << "Creating source image." << TestLog::EndMessage;
genImage(gl, rng, *srcImage, srcImageLevels, m_srcImageInfo, moreRestrictiveFormat);
log << TestLog::Message << "Creating destination image." << TestLog::EndMessage;
genImage(gl, rng, *dstImage, dstImageLevels, m_dstImageInfo, moreRestrictiveFormat);
}
}
void CopyImageTest::destroyImagesIter (void)
{
TestLog& log = m_testCtx.getLog();
log << TestLog::Message << "Deleting source image. " << TestLog::EndMessage;
delete m_state->srcImage;
m_state->srcImage = NULL;
m_state->srcImageLevels.clear();
log << TestLog::Message << "Deleting destination image. " << TestLog::EndMessage;
delete m_state->dstImage;
m_state->dstImage = NULL;
m_state->dstImageLevels.clear();
}
void CopyImageTest::verifySourceIter (void)
{
TestLog& log = m_testCtx.getLog();
const tcu::ScopedLogSection sourceSection (log, "Source image verify.", "Source image verify.");
de::Random& rng = m_state->rng;
tcu::ResultCollector& results = m_state->results;
glu::ObjectWrapper& srcImage = *m_state->srcImage;
vector<ArrayBuffer<deUint8> >& srcImageLevels = m_state->srcImageLevels;
log << TestLog::Message << "Verifying source image." << TestLog::EndMessage;
render(m_testCtx, m_context.getRenderContext(), m_state->textureRenderer, results, rng, *srcImage, srcImageLevels, m_srcImageInfo, VERIFY_COMPARE_REFERENCE);
}
void CopyImageTest::verifyDestinationIter (void)
{
TestLog& log = m_testCtx.getLog();
const tcu::ScopedLogSection destinationSection (log, "Destination image verify.", "Destination image verify.");
de::Random& rng = m_state->rng;
tcu::ResultCollector& results = m_state->results;
glu::ObjectWrapper& dstImage = *m_state->dstImage;
vector<ArrayBuffer<deUint8> >& dstImageLevels = m_state->dstImageLevels;
log << TestLog::Message << "Verifying destination image." << TestLog::EndMessage;
render(m_testCtx, m_context.getRenderContext(), m_state->textureRenderer, results, rng, *dstImage, dstImageLevels, m_dstImageInfo, VERIFY_COMPARE_REFERENCE);
}
void CopyImageTest::renderSourceIter (void)
{
TestLog& log = m_testCtx.getLog();
const tcu::ScopedLogSection sourceSection (log, "Source image verify.", "Source image verify.");
de::Random& rng = m_state->rng;
tcu::ResultCollector& results = m_state->results;
glu::ObjectWrapper& srcImage = *m_state->srcImage;
vector<ArrayBuffer<deUint8> >& srcImageLevels = m_state->srcImageLevels;
log << TestLog::Message << "Verifying source image." << TestLog::EndMessage;
render(m_testCtx, m_context.getRenderContext(), m_state->textureRenderer, results, rng, *srcImage, srcImageLevels, m_srcImageInfo, VERIFY_NONE);
}
void CopyImageTest::renderDestinationIter (void)
{
TestLog& log = m_testCtx.getLog();
const tcu::ScopedLogSection destinationSection (log, "Destination image verify.", "Destination image verify.");
de::Random& rng = m_state->rng;
tcu::ResultCollector& results = m_state->results;
glu::ObjectWrapper& dstImage = *m_state->dstImage;
vector<ArrayBuffer<deUint8> >& dstImageLevels = m_state->dstImageLevels;
log << TestLog::Message << "Verifying destination image." << TestLog::EndMessage;
render(m_testCtx, m_context.getRenderContext(), m_state->textureRenderer, results, rng, *dstImage, dstImageLevels, m_dstImageInfo, VERIFY_NONE);
}
struct Copy
{
Copy (const IVec3& srcPos_,
int srcLevel_,
const IVec3& dstPos_,
int dstLevel_,
const IVec3& size_,
const IVec3& dstSize_)
: srcPos (srcPos_)
, srcLevel (srcLevel_)
, dstPos (dstPos_)
, dstLevel (dstLevel_)
, size (size_)
, dstSize (dstSize_)
{
}
IVec3 srcPos;
int srcLevel;
IVec3 dstPos;
int dstLevel;
IVec3 size;
IVec3 dstSize; //!< used only for logging
};
int getLastFullLevel (const ImageInfo& info)
{
const int levelCount = getLevelCount(info);
const IVec3 blockPixelSize = getTexelBlockPixelSize(info.getFormat());
for (int level = 0; level < levelCount; level++)
{
const IVec3 levelSize = getLevelSize(info.getTarget(), info.getSize(), level);
if (levelSize.x() < blockPixelSize.x() || levelSize.y() < blockPixelSize.y() || levelSize.z() < blockPixelSize.z())
return level - 1;
}
return levelCount -1;
}
void generateCopies (vector<Copy>& copies, const ImageInfo& srcInfo, const ImageInfo& dstInfo)
{
const deUint32 srcTarget = srcInfo.getTarget();
const deUint32 dstTarget = dstInfo.getTarget();
const bool srcIsTexture = isTextureTarget(srcInfo.getTarget());
const bool dstIsTexture = isTextureTarget(dstInfo.getTarget());
const bool srcIsCube = srcTarget == GL_TEXTURE_CUBE_MAP;
const bool dstIsCube = dstTarget == GL_TEXTURE_CUBE_MAP;
const IVec3 srcBlockPixelSize = getTexelBlockPixelSize(srcInfo.getFormat());
const IVec3 dstBlockPixelSize = getTexelBlockPixelSize(dstInfo.getFormat());
const int levels[] =
{
0, 1, -1
};
for (int levelNdx = 0; levelNdx < (srcIsTexture || dstIsTexture ? DE_LENGTH_OF_ARRAY(levels) : 1); levelNdx++)
{
const int srcLevel = (srcIsTexture ? (levels[levelNdx] >= 0 ? levels[levelNdx] : getLastFullLevel(srcInfo)) : 0);
const int dstLevel = (dstIsTexture ? (levels[levelNdx] >= 0 ? levels[levelNdx] : getLastFullLevel(dstInfo)) : 0);
const IVec3 srcSize = getLevelSize(srcInfo.getTarget(), srcInfo.getSize(), srcLevel);
const IVec3 dstSize = getLevelSize(dstInfo.getTarget(), dstInfo.getSize(), dstLevel);
// \note These are rounded down
const IVec3 srcCompleteBlockSize = IVec3(srcSize.x() / srcBlockPixelSize.x(), srcSize.y() / srcBlockPixelSize.y(), (srcIsCube ? 6 : srcSize.z() / srcBlockPixelSize.z()));
const IVec3 dstCompleteBlockSize = IVec3(dstSize.x() / dstBlockPixelSize.x(), dstSize.y() / dstBlockPixelSize.y(), (dstIsCube ? 6 : dstSize.z() / dstBlockPixelSize.z()));
const IVec3 maxCopyBlockSize = tcu::min(srcCompleteBlockSize, dstCompleteBlockSize);
// \note These are rounded down
const int copyBlockWidth = de::max((2 * (maxCopyBlockSize.x() / 4)) - 1, 1);
const int copyBlockHeight = de::max((2 * (maxCopyBlockSize.y() / 4)) - 1, 1);
const int copyBlockDepth = de::max((2 * (maxCopyBlockSize.z() / 4)) - 1, 1);
// Copy NPOT block to (0,0,0) from other corner on src
{
const IVec3 copyBlockSize (copyBlockWidth, copyBlockHeight, copyBlockDepth);
const IVec3 srcBlockPos (srcCompleteBlockSize - copyBlockSize);
const IVec3 dstBlockPos (0, 0, 0);
const IVec3 srcPos (srcBlockPos * srcBlockPixelSize);
const IVec3 dstPos (dstBlockPos * dstBlockPixelSize);
const IVec3 srcCopySize (copyBlockSize * srcBlockPixelSize);
const IVec3 dstCopySize (copyBlockSize * dstBlockPixelSize);
copies.push_back(Copy(srcPos, srcLevel, dstPos, dstLevel, srcCopySize, dstCopySize));
}
// Copy NPOT block from (0,0,0) to other corner on dst
{
const IVec3 copyBlockSize (copyBlockWidth, copyBlockHeight, copyBlockDepth);
const IVec3 srcBlockPos (0, 0, 0);
const IVec3 dstBlockPos (dstCompleteBlockSize - copyBlockSize);
const IVec3 srcPos (srcBlockPos * srcBlockPixelSize);
const IVec3 dstPos (dstBlockPos * dstBlockPixelSize);
const IVec3 srcCopySize (copyBlockSize * srcBlockPixelSize);
const IVec3 dstCopySize (copyBlockSize * dstBlockPixelSize);
copies.push_back(Copy(srcPos, srcLevel, dstPos, dstLevel, srcCopySize, dstCopySize));
}
// Copy NPOT block near the corner with high coordinates
{
const IVec3 copyBlockSize (copyBlockWidth, copyBlockHeight, copyBlockDepth);
const IVec3 srcBlockPos (tcu::max((srcCompleteBlockSize / 4) * 4 - copyBlockSize, IVec3(0)));
const IVec3 dstBlockPos (tcu::max((dstCompleteBlockSize / 4) * 4 - copyBlockSize, IVec3(0)));
const IVec3 srcPos (srcBlockPos * srcBlockPixelSize);
const IVec3 dstPos (dstBlockPos * dstBlockPixelSize);
const IVec3 srcCopySize (copyBlockSize * srcBlockPixelSize);
const IVec3 dstCopySize (copyBlockSize * dstBlockPixelSize);
copies.push_back(Copy(srcPos, srcLevel, dstPos, dstLevel, srcCopySize, dstCopySize));
}
}
}
void CopyImageTest::copyImageIter (void)
{
TestLog& log = m_testCtx.getLog();
const glw::Functions& gl = m_context.getRenderContext().getFunctions();
glu::ObjectWrapper& srcImage = *m_state->srcImage;
glu::ObjectWrapper& dstImage = *m_state->dstImage;
vector<ArrayBuffer<deUint8> >& srcImageLevels = m_state->srcImageLevels;
vector<ArrayBuffer<deUint8> >& dstImageLevels = m_state->dstImageLevels;
vector<Copy> copies;
generateCopies(copies, m_srcImageInfo, m_dstImageInfo);
for (int copyNdx = 0; copyNdx < (int)copies.size(); copyNdx++)
{
const Copy& copy = copies[copyNdx];
log << TestLog::Message
<< "Copying area with size " << copy.size
<< " from source image position " << copy.srcPos << " and mipmap level " << copy.srcLevel
<< " to destination image position " << copy.dstPos << " and mipmap level " << copy.dstLevel << ". "
<< "Size in destination format is " << copy.dstSize
<< TestLog::EndMessage;
copyImage(gl, *dstImage, dstImageLevels, m_dstImageInfo, copy.dstLevel, copy.dstPos,
*srcImage, srcImageLevels, m_srcImageInfo, copy.srcLevel, copy.srcPos, copy.size);
}
}
TestCase::IterateResult CopyImageTest::iterate (void)
{
// Note: Returning from iterate() has two side-effects: it touches
// watchdog and calls eglSwapBuffers. For the first it's important
// to keep work per iteration reasonable to avoid
// timeouts. Because of the latter, it's prudent to do more than
// trivial amount of work. Otherwise we'll end up waiting for a
// new buffer in swap, it seems.
// The split below tries to combine trivial work with actually
// expensive rendering iterations without having too much
// rendering in one iteration to avoid timeouts.
const IterationFunc iteration1[] =
{
&CopyImageTest::logTestInfoIter,
&CopyImageTest::createImagesIter,
&CopyImageTest::renderSourceIter
};
const IterationFunc iteration2[] =
{
&CopyImageTest::renderDestinationIter
};
const IterationFunc iteration3[] =
{
&CopyImageTest::copyImageIter,
&CopyImageTest::verifySourceIter
};
const IterationFunc iteration4[] =
{
&CopyImageTest::verifyDestinationIter,
&CopyImageTest::destroyImagesIter
};
const IterationFunc iteration5[] =
{
&CopyImageTest::createImagesIter,
&CopyImageTest::copyImageIter,
&CopyImageTest::verifySourceIter
};
const IterationFunc iteration6[] =
{
&CopyImageTest::verifyDestinationIter,
&CopyImageTest::destroyImagesIter
};
const Iteration iterations[] =
{
Iteration(DE_LENGTH_OF_ARRAY(iteration1), iteration1),
Iteration(DE_LENGTH_OF_ARRAY(iteration2), iteration2),
Iteration(DE_LENGTH_OF_ARRAY(iteration3), iteration3),
Iteration(DE_LENGTH_OF_ARRAY(iteration4), iteration4),
Iteration(DE_LENGTH_OF_ARRAY(iteration5), iteration5),
Iteration(DE_LENGTH_OF_ARRAY(iteration6), iteration6)
};
DE_ASSERT(m_iteration < DE_LENGTH_OF_ARRAY(iterations));
for (int method = 0; method < iterations[m_iteration].methodCount; method++)
(this->*iterations[m_iteration].methods[method])();
m_iteration++;
if (m_iteration < DE_LENGTH_OF_ARRAY(iterations))
{
return CONTINUE;
}
else
{
m_state->results.setTestContextResult(m_testCtx);
return STOP;
}
}
class CopyImageTests : public TestCaseGroup
{
public:
CopyImageTests (Context& context);
~CopyImageTests (void);
void init (void);
private:
CopyImageTests (const CopyImageTests& other);
CopyImageTests& operator= (const CopyImageTests& other);
};
CopyImageTests::CopyImageTests (Context& context)
: TestCaseGroup (context, "copy_image", "Copy image tests for GL_EXT_copy_image.")
{
}
CopyImageTests::~CopyImageTests (void)
{
}
int smallestCommonMultiple (int a_, int b_)
{
int a = (a_ > b_ ? a_ : b_);
int b = (a_ > b_ ? b_ : a_);
int result = 1;
for (int i = b/2; i > 1; i--)
{
while ((a % i) == 0 && (b % i) == 0)
{
result *= i;
a /= i;
b /= i;
}
}
return result * a * b;
}
IVec3 getTestedSize (deUint32 target, deUint32 format, const IVec3& targetSize)
{
const IVec3 texelBlockPixelSize = getTexelBlockPixelSize(format);
const bool isCube = target == GL_TEXTURE_CUBE_MAP;
const bool is3D = target == GL_TEXTURE_3D || target == GL_TEXTURE_2D_ARRAY;
if (isCube)
{
const int multiplier = smallestCommonMultiple(texelBlockPixelSize.x(), texelBlockPixelSize.y());
const int size = (1 + (targetSize.x() / multiplier)) * multiplier;
return IVec3(size, size, 1);
}
else if (is3D)
{
return (1 + (targetSize / texelBlockPixelSize)) * texelBlockPixelSize;
}
else
{
const int width = (1 + targetSize.x() / texelBlockPixelSize.x()) * texelBlockPixelSize.x();
const int height = ((targetSize.y() / texelBlockPixelSize.y()) - 1) * texelBlockPixelSize.y();
return IVec3(width, height, 1);
}
}
void addCopyTests (TestCaseGroup* root, deUint32 srcFormat, deUint32 dstFormat)
{
const string groupName = string(formatToName(srcFormat)) + "_" + formatToName(dstFormat);
TestCaseGroup* const group = new TestCaseGroup(root->getContext(), groupName.c_str(), groupName.c_str());
const deUint32 targets[] =
{
GL_TEXTURE_2D,
GL_TEXTURE_3D,
GL_TEXTURE_CUBE_MAP,
GL_TEXTURE_2D_ARRAY,
GL_RENDERBUFFER
};
root->addChild(group);
for (int srcTargetNdx = 0; srcTargetNdx < DE_LENGTH_OF_ARRAY(targets); srcTargetNdx++)
{
const deUint32 srcTarget = targets[srcTargetNdx];
const bool srcIs3D = srcTarget == GL_TEXTURE_2D_ARRAY || srcTarget == GL_TEXTURE_3D;
if (glu::isCompressedFormat(srcFormat) && srcTarget == GL_RENDERBUFFER)
continue;
if (srcTarget == GL_RENDERBUFFER && !isColorRenderable(srcFormat))
continue;
if (glu::isCompressedFormat(srcFormat) && !tcu::isAstcFormat(glu::mapGLCompressedTexFormat(srcFormat)) && srcIs3D)
continue;
for (int dstTargetNdx = 0; dstTargetNdx < DE_LENGTH_OF_ARRAY(targets); dstTargetNdx++)
{
const deUint32 dstTarget = targets[dstTargetNdx];
const bool dstIs3D = dstTarget == GL_TEXTURE_2D_ARRAY || dstTarget == GL_TEXTURE_3D;
if (glu::isCompressedFormat(dstFormat) && dstTarget == GL_RENDERBUFFER)
continue;
if (dstTarget == GL_RENDERBUFFER && !isColorRenderable(dstFormat))
continue;
if (glu::isCompressedFormat(dstFormat) && !tcu::isAstcFormat(glu::mapGLCompressedTexFormat(dstFormat)) && dstIs3D)
continue;
const string targetTestName = string(targetToName(srcTarget)) + "_to_" + targetToName(dstTarget);
// Compressed formats require more space to fit all block size combinations.
const bool isCompressedCase = glu::isCompressedFormat(srcFormat) || glu::isCompressedFormat(dstFormat);
const IVec3 targetSize = isCompressedCase ? IVec3(128, 128, 16) : IVec3(64, 64, 8);
const IVec3 srcSize = getTestedSize(srcTarget, srcFormat, targetSize);
const IVec3 dstSize = getTestedSize(dstTarget, dstFormat, targetSize);
group->addChild(new CopyImageTest(root->getContext(),
ImageInfo(srcFormat, srcTarget, srcSize),
ImageInfo(dstFormat, dstTarget, dstSize),
targetTestName.c_str(), targetTestName.c_str()));
}
}
}
void CopyImageTests::init (void)
{
TestCaseGroup* const nonCompressedGroup = new TestCaseGroup(m_context, "non_compressed", "Test copying between textures.");
TestCaseGroup* const compressedGroup = new TestCaseGroup(m_context, "compressed", "Test copying between compressed textures.");
TestCaseGroup* const mixedGroup = new TestCaseGroup(m_context, "mixed", "Test copying between compressed and non-compressed textures.");
addChild(nonCompressedGroup);
addChild(compressedGroup);
addChild(mixedGroup);
map<ViewClass, vector<deUint32> > textureFormatViewClasses;
map<ViewClass, vector<deUint32> > compressedTextureFormatViewClasses;
map<ViewClass, pair<vector<deUint32>, vector<deUint32> > > mixedViewClasses;
// Texture view classes
textureFormatViewClasses[VIEWCLASS_128_BITS] = vector<deUint32>();
textureFormatViewClasses[VIEWCLASS_96_BITS] = vector<deUint32>();
textureFormatViewClasses[VIEWCLASS_64_BITS] = vector<deUint32>();
textureFormatViewClasses[VIEWCLASS_48_BITS] = vector<deUint32>();
textureFormatViewClasses[VIEWCLASS_32_BITS] = vector<deUint32>();
textureFormatViewClasses[VIEWCLASS_24_BITS] = vector<deUint32>();
textureFormatViewClasses[VIEWCLASS_16_BITS] = vector<deUint32>();
textureFormatViewClasses[VIEWCLASS_8_BITS] = vector<deUint32>();
// 128bit / VIEWCLASS_128_BITS
textureFormatViewClasses[VIEWCLASS_128_BITS].push_back(GL_RGBA32F);
textureFormatViewClasses[VIEWCLASS_128_BITS].push_back(GL_RGBA32I);
textureFormatViewClasses[VIEWCLASS_128_BITS].push_back(GL_RGBA32UI);
// 96bit / VIEWCLASS_96_BITS
textureFormatViewClasses[VIEWCLASS_96_BITS].push_back(GL_RGB32F);
textureFormatViewClasses[VIEWCLASS_96_BITS].push_back(GL_RGB32I);
textureFormatViewClasses[VIEWCLASS_96_BITS].push_back(GL_RGB32UI);
// 64bit / VIEWCLASS_64_BITS
textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RG32F);
textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RG32I);
textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RG32UI);
textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RGBA16F);
textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RGBA16I);
textureFormatViewClasses[VIEWCLASS_64_BITS].push_back(GL_RGBA16UI);
// 48bit / VIEWCLASS_48_BITS
textureFormatViewClasses[VIEWCLASS_48_BITS].push_back(GL_RGB16F);
textureFormatViewClasses[VIEWCLASS_48_BITS].push_back(GL_RGB16I);
textureFormatViewClasses[VIEWCLASS_48_BITS].push_back(GL_RGB16UI);
// 32bit / VIEWCLASS_32_BITS
textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R32F);
textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R32I);
textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R32UI);
textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RG16F);
textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RG16I);
textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RG16UI);
textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8);
textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8I);
textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8UI);
textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_R11F_G11F_B10F);
textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGB10_A2UI);
textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGB10_A2);
textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGBA8_SNORM);
textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_SRGB8_ALPHA8);
textureFormatViewClasses[VIEWCLASS_32_BITS].push_back(GL_RGB9_E5);
// 24bit / VIEWCLASS_24_BITS
textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8);
textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8I);
textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8UI);
textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_RGB8_SNORM);
textureFormatViewClasses[VIEWCLASS_24_BITS].push_back(GL_SRGB8);
// 16bit / VIEWCLASS_16_BITS
textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_R16F);
textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_R16I);
textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_R16UI);
textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8);
textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8I);
textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8UI);
textureFormatViewClasses[VIEWCLASS_16_BITS].push_back(GL_RG8_SNORM);
// 8bit / VIEWCLASS_8_BITS
textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8);
textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8I);
textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8UI);
textureFormatViewClasses[VIEWCLASS_8_BITS].push_back(GL_R8_SNORM);
// Compressed texture view classes
compressedTextureFormatViewClasses[VIEWCLASS_EAC_R11] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_EAC_RG11] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGB] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGBA] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_ETC2_EAC_RGBA] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_4x4_RGBA] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x4_RGBA] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x5_RGBA] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x5_RGBA] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x6_RGBA] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x5_RGBA] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x6_RGBA] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x8_RGBA] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x5_RGBA] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x6_RGBA] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x8_RGBA] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x10_RGBA] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x10_RGBA] = vector<deUint32>();
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x12_RGBA] = vector<deUint32>();
// VIEWCLASS_EAC_R11
compressedTextureFormatViewClasses[VIEWCLASS_EAC_R11].push_back(GL_COMPRESSED_R11_EAC);
compressedTextureFormatViewClasses[VIEWCLASS_EAC_R11].push_back(GL_COMPRESSED_SIGNED_R11_EAC);
// VIEWCLASS_EAC_RG11
compressedTextureFormatViewClasses[VIEWCLASS_EAC_RG11].push_back(GL_COMPRESSED_RG11_EAC);
compressedTextureFormatViewClasses[VIEWCLASS_EAC_RG11].push_back(GL_COMPRESSED_SIGNED_RG11_EAC);
// VIEWCLASS_ETC2_RGB
compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGB].push_back(GL_COMPRESSED_RGB8_ETC2);
compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGB].push_back(GL_COMPRESSED_SRGB8_ETC2);
// VIEWCLASS_ETC2_RGBA
compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGBA].push_back(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2);
compressedTextureFormatViewClasses[VIEWCLASS_ETC2_RGBA].push_back(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2);
// VIEWCLASS_ETC2_EAC_RGBA
compressedTextureFormatViewClasses[VIEWCLASS_ETC2_EAC_RGBA].push_back(GL_COMPRESSED_RGBA8_ETC2_EAC);
compressedTextureFormatViewClasses[VIEWCLASS_ETC2_EAC_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC);
// VIEWCLASS_ASTC_4x4_RGBA
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_4x4_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_4x4);
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_4x4_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4);
// VIEWCLASS_ASTC_5x4_RGBA
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x4_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_5x4);
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x4_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4);
// VIEWCLASS_ASTC_5x5_RGBA
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_5x5);
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_5x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5);
// VIEWCLASS_ASTC_6x5_RGBA
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_6x5);
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5);
// VIEWCLASS_ASTC_6x6_RGBA
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x6_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_6x6);
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_6x6_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6);
// VIEWCLASS_ASTC_8x5_RGBA
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_8x5);
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5);
// VIEWCLASS_ASTC_8x6_RGBA
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x6_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_8x6);
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x6_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6);
// VIEWCLASS_ASTC_8x8_RGBA
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x8_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_8x8);
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_8x8_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8);
// VIEWCLASS_ASTC_10x5_RGBA
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x5_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x5);
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x5_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5);
// VIEWCLASS_ASTC_10x6_RGBA
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x6_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x6);
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x6_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6);
// VIEWCLASS_ASTC_10x8_RGBA
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x8_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x8);
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x8_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8);
// VIEWCLASS_ASTC_10x10_RGBA
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x10_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_10x10);
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_10x10_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10);
// VIEWCLASS_ASTC_12x10_RGBA
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x10_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_12x10);
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x10_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10);
// VIEWCLASS_ASTC_12x12_RGBA
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x12_RGBA].push_back(GL_COMPRESSED_RGBA_ASTC_12x12);
compressedTextureFormatViewClasses[VIEWCLASS_ASTC_12x12_RGBA].push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12);
// Mixed view classes
mixedViewClasses[VIEWCLASS_128_BITS] = pair<vector<deUint32>, vector<deUint32> >();
mixedViewClasses[VIEWCLASS_64_BITS] = pair<vector<deUint32>, vector<deUint32> >();
// 128 bits
// Non compressed
mixedViewClasses[VIEWCLASS_128_BITS].first.push_back(GL_RGBA32F);
mixedViewClasses[VIEWCLASS_128_BITS].first.push_back(GL_RGBA32UI);
mixedViewClasses[VIEWCLASS_128_BITS].first.push_back(GL_RGBA32I);
// Compressed
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA8_ETC2_EAC);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RG11_EAC);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SIGNED_RG11_EAC);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_4x4);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_5x4);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_5x5);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_6x5);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_6x6);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_8x5);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_8x6);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_8x8);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x5);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x6);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x8);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_10x10);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_12x10);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_RGBA_ASTC_12x12);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10);
mixedViewClasses[VIEWCLASS_128_BITS].second.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12);
// 64 bits
// Non compressed
mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RGBA16F);
mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RGBA16UI);
mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RGBA16I);
mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RG32F);
mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RG32UI);
mixedViewClasses[VIEWCLASS_64_BITS].first.push_back(GL_RG32I);
// Compressed
mixedViewClasses[VIEWCLASS_64_BITS].second.push_back(GL_COMPRESSED_R11_EAC);
mixedViewClasses[VIEWCLASS_64_BITS].second.push_back(GL_COMPRESSED_SIGNED