blob: 8bf3b52054bf096882c856aa76d2e4b1b91ae7bc [file] [log] [blame]
#ifndef _GLUTEXTUREUTIL_HPP
#define _GLUTEXTUREUTIL_HPP
/*-------------------------------------------------------------------------
* drawElements Quality Program OpenGL ES Utilities
* ------------------------------------------------
*
* Copyright 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*//*!
* \file
* \brief Texture format utilities.
*//*--------------------------------------------------------------------*/
#include "gluDefs.hpp"
#include "tcuTexture.hpp"
#include "tcuCompressedTexture.hpp"
#include "gluShaderUtil.hpp"
#include "deInt32.h"
namespace glu
{
class RenderContext;
class ContextInfo;
class TextureBuffer;
/*--------------------------------------------------------------------*//*!
* \brief GL pixel transfer format.
*//*--------------------------------------------------------------------*/
struct TransferFormat
{
uint32_t format; //!< Pixel format.
uint32_t dataType; //!< Data type.
TransferFormat(void) : format(0), dataType(0)
{
}
TransferFormat(uint32_t format_, uint32_t dataType_) : format(format_), dataType(dataType_)
{
}
} DE_WARN_UNUSED_TYPE;
tcu::TextureFormat mapGLTransferFormat(uint32_t format, uint32_t dataType);
tcu::TextureFormat mapGLInternalFormat(uint32_t internalFormat);
tcu::CompressedTexFormat mapGLCompressedTexFormat(uint32_t format);
bool isGLInternalColorFormatFilterable(uint32_t internalFormat);
tcu::Sampler mapGLSampler(uint32_t wrapS, uint32_t minFilter, uint32_t magFilter);
tcu::Sampler mapGLSampler(uint32_t wrapS, uint32_t wrapT, uint32_t minFilter, uint32_t magFilter);
tcu::Sampler mapGLSampler(uint32_t wrapS, uint32_t wrapT, uint32_t wrapR, uint32_t minFilter, uint32_t magFilter);
tcu::Sampler::CompareMode mapGLCompareFunc(uint32_t mode);
TransferFormat getTransferFormat(tcu::TextureFormat format);
uint32_t getInternalFormat(tcu::TextureFormat format);
uint32_t getGLFormat(tcu::CompressedTexFormat format);
uint32_t getGLWrapMode(tcu::Sampler::WrapMode wrapMode);
uint32_t getGLFilterMode(tcu::Sampler::FilterMode filterMode);
uint32_t getGLCompareFunc(tcu::Sampler::CompareMode compareMode);
uint32_t getGLCubeFace(tcu::CubeFace face);
tcu::CubeFace getCubeFaceFromGL(uint32_t face);
DataType getSampler1DType(tcu::TextureFormat format);
DataType getSampler2DType(tcu::TextureFormat format);
DataType getSamplerCubeType(tcu::TextureFormat format);
DataType getSampler1DArrayType(tcu::TextureFormat format);
DataType getSampler2DArrayType(tcu::TextureFormat format);
DataType getSampler3DType(tcu::TextureFormat format);
DataType getSamplerCubeArrayType(tcu::TextureFormat format);
bool isSizedFormatColorRenderable(const RenderContext &renderCtx, const ContextInfo &contextInfo, uint32_t sizedFormat);
bool isCompressedFormat(uint32_t internalFormat);
const tcu::IVec2 (&getDefaultGatherOffsets(void))[4];
tcu::PixelBufferAccess getTextureBufferEffectiveRefTexture(TextureBuffer &buffer, int maxTextureBufferSize);
tcu::ConstPixelBufferAccess getTextureBufferEffectiveRefTexture(const TextureBuffer &buffer, int maxTextureBufferSize);
} // namespace glu
#endif // _GLUTEXTUREUTIL_HPP