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#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
{
deUint32 format; //!< Pixel format.
deUint32 dataType; //!< Data type.
TransferFormat (void)
: format (0)
, dataType (0)
{
}
TransferFormat (deUint32 format_, deUint32 dataType_)
: format (format_)
, dataType (dataType_)
{
}
} DE_WARN_UNUSED_TYPE;
tcu::TextureFormat mapGLTransferFormat (deUint32 format, deUint32 dataType);
tcu::TextureFormat mapGLInternalFormat (deUint32 internalFormat);
tcu::CompressedTexFormat mapGLCompressedTexFormat (deUint32 format);
bool isGLInternalColorFormatFilterable (deUint32 internalFormat);
tcu::Sampler mapGLSampler (deUint32 wrapS, deUint32 minFilter, deUint32 magFilter);
tcu::Sampler mapGLSampler (deUint32 wrapS, deUint32 wrapT, deUint32 minFilter, deUint32 magFilter);
tcu::Sampler mapGLSampler (deUint32 wrapS, deUint32 wrapT, deUint32 wrapR, deUint32 minFilter, deUint32 magFilter);
tcu::Sampler::CompareMode mapGLCompareFunc (deUint32 mode);
TransferFormat getTransferFormat (tcu::TextureFormat format);
deUint32 getInternalFormat (tcu::TextureFormat format);
deUint32 getGLFormat (tcu::CompressedTexFormat format);
deUint32 getGLWrapMode (tcu::Sampler::WrapMode wrapMode);
deUint32 getGLFilterMode (tcu::Sampler::FilterMode filterMode);
deUint32 getGLCompareFunc (tcu::Sampler::CompareMode compareMode);
deUint32 getGLCubeFace (tcu::CubeFace face);
tcu::CubeFace getCubeFaceFromGL (deUint32 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, deUint32 sizedFormat);
bool isCompressedFormat (deUint32 internalFormat);
const tcu::IVec2 (&getDefaultGatherOffsets (void))[4];
tcu::PixelBufferAccess getTextureBufferEffectiveRefTexture (TextureBuffer& buffer, int maxTextureBufferSize);
tcu::ConstPixelBufferAccess getTextureBufferEffectiveRefTexture (const TextureBuffer& buffer, int maxTextureBufferSize);
} // glu
#endif // _GLUTEXTUREUTIL_HPP