diff options
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/formatutils9.cpp')
| -rw-r--r-- | src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/formatutils9.cpp | 820 |
1 files changed, 820 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/formatutils9.cpp b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/formatutils9.cpp new file mode 100644 index 0000000000..f5d1da62b3 --- /dev/null +++ b/src/3rdparty/angle/src/libGLESv2/renderer/d3d/d3d9/formatutils9.cpp @@ -0,0 +1,820 @@ +#include "precompiled.h" +// +// Copyright (c) 2013-2014 The ANGLE Project Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. +// + +// formatutils9.cpp: Queries for GL image formats and their translations to D3D9 +// formats. + +#include "libGLESv2/renderer/d3d/d3d9/formatutils9.h" +#include "libGLESv2/renderer/d3d/d3d9/Renderer9.h" +#include "libGLESv2/renderer/generatemip.h" +#include "libGLESv2/renderer/loadimage.h" +#include "libGLESv2/renderer/copyimage.h" +#include "libGLESv2/renderer/vertexconversion.h" + +namespace rx +{ + +// Each GL internal format corresponds to one D3D format and data loading function. +// Due to not all formats being available all the time, some of the function/format types are wrapped +// in templates that perform format support queries on a Renderer9 object which is supplied +// when requesting the function or format. + +typedef bool(*FallbackPredicateFunction)(); + +template <FallbackPredicateFunction pred, LoadImageFunction prefered, LoadImageFunction fallback> +static void FallbackLoad(size_t width, size_t height, size_t depth, + const uint8_t *input, size_t inputRowPitch, size_t inputDepthPitch, + uint8_t *output, size_t outputRowPitch, size_t outputDepthPitch) +{ + if (pred()) + { + prefered(width, height, depth, input, inputRowPitch, inputDepthPitch, output, outputRowPitch, outputDepthPitch); + } + else + { + fallback(width, height, depth, input, inputRowPitch, inputDepthPitch, output, outputRowPitch, outputDepthPitch); + } +} + +static void UnreachableLoad(size_t width, size_t height, size_t depth, + const uint8_t *input, size_t inputRowPitch, size_t inputDepthPitch, + uint8_t *output, size_t outputRowPitch, size_t outputDepthPitch) +{ + UNREACHABLE(); +} + +const D3DFORMAT D3DFMT_INTZ = ((D3DFORMAT)(MAKEFOURCC('I', 'N', 'T', 'Z'))); +const D3DFORMAT D3DFMT_NULL = ((D3DFORMAT)(MAKEFOURCC('N', 'U', 'L', 'L'))); + +struct D3D9FormatInfo +{ + D3DFORMAT mTexFormat; + D3DFORMAT mRenderFormat; + LoadImageFunction mLoadFunction; + + D3D9FormatInfo() + : mTexFormat(D3DFMT_NULL), mRenderFormat(D3DFMT_NULL), mLoadFunction(NULL) + { } + + D3D9FormatInfo(D3DFORMAT textureFormat, D3DFORMAT renderFormat, LoadImageFunction loadFunc) + : mTexFormat(textureFormat), mRenderFormat(renderFormat), mLoadFunction(loadFunc) + { } +}; + +typedef std::pair<GLenum, D3D9FormatInfo> D3D9FormatPair; +typedef std::map<GLenum, D3D9FormatInfo> D3D9FormatMap; + +static D3D9FormatMap BuildD3D9FormatMap() +{ + D3D9FormatMap map; + + // | Internal format | Texture format | Render format | Load function | + map.insert(D3D9FormatPair(GL_NONE, D3D9FormatInfo(D3DFMT_NULL, D3DFMT_NULL, UnreachableLoad ))); + + map.insert(D3D9FormatPair(GL_DEPTH_COMPONENT16, D3D9FormatInfo(D3DFMT_INTZ, D3DFMT_D24S8, UnreachableLoad ))); + map.insert(D3D9FormatPair(GL_DEPTH_COMPONENT32_OES, D3D9FormatInfo(D3DFMT_INTZ, D3DFMT_D32, UnreachableLoad ))); + map.insert(D3D9FormatPair(GL_DEPTH24_STENCIL8_OES, D3D9FormatInfo(D3DFMT_INTZ, D3DFMT_D24S8, UnreachableLoad ))); + map.insert(D3D9FormatPair(GL_STENCIL_INDEX8, D3D9FormatInfo(D3DFMT_UNKNOWN, D3DFMT_D24S8, UnreachableLoad ))); // TODO: What's the texture format? + + map.insert(D3D9FormatPair(GL_RGBA32F_EXT, D3D9FormatInfo(D3DFMT_A32B32G32R32F, D3DFMT_A32B32G32R32F, LoadToNative<GLfloat, 4> ))); + map.insert(D3D9FormatPair(GL_RGB32F_EXT, D3D9FormatInfo(D3DFMT_A32B32G32R32F, D3DFMT_A32B32G32R32F, LoadToNative3To4<GLfloat, gl::Float32One>))); + map.insert(D3D9FormatPair(GL_RG32F_EXT, D3D9FormatInfo(D3DFMT_G32R32F, D3DFMT_G32R32F, LoadToNative<GLfloat, 2> ))); + map.insert(D3D9FormatPair(GL_R32F_EXT, D3D9FormatInfo(D3DFMT_R32F, D3DFMT_R32F, LoadToNative<GLfloat, 1> ))); + map.insert(D3D9FormatPair(GL_ALPHA32F_EXT, D3D9FormatInfo(D3DFMT_A32B32G32R32F, D3DFMT_UNKNOWN, LoadA32FToRGBA32F ))); + map.insert(D3D9FormatPair(GL_LUMINANCE32F_EXT, D3D9FormatInfo(D3DFMT_A32B32G32R32F, D3DFMT_UNKNOWN, LoadL32FToRGBA32F ))); + map.insert(D3D9FormatPair(GL_LUMINANCE_ALPHA32F_EXT, D3D9FormatInfo(D3DFMT_A32B32G32R32F, D3DFMT_UNKNOWN, LoadLA32FToRGBA32F ))); + + map.insert(D3D9FormatPair(GL_RGBA16F_EXT, D3D9FormatInfo(D3DFMT_A16B16G16R16F, D3DFMT_A16B16G16R16F, LoadToNative<GLhalf, 4> ))); + map.insert(D3D9FormatPair(GL_RGB16F_EXT, D3D9FormatInfo(D3DFMT_A16B16G16R16F, D3DFMT_A16B16G16R16F, LoadToNative3To4<GLhalf, gl::Float16One> ))); + map.insert(D3D9FormatPair(GL_RG16F_EXT, D3D9FormatInfo(D3DFMT_G16R16F, D3DFMT_G16R16F, LoadToNative<GLhalf, 2> ))); + map.insert(D3D9FormatPair(GL_R16F_EXT, D3D9FormatInfo(D3DFMT_R16F, D3DFMT_R16F, LoadToNative<GLhalf, 1> ))); + map.insert(D3D9FormatPair(GL_ALPHA16F_EXT, D3D9FormatInfo(D3DFMT_A16B16G16R16F, D3DFMT_UNKNOWN, LoadA16FToRGBA16F ))); + map.insert(D3D9FormatPair(GL_LUMINANCE16F_EXT, D3D9FormatInfo(D3DFMT_A16B16G16R16F, D3DFMT_UNKNOWN, LoadL16FToRGBA16F ))); + map.insert(D3D9FormatPair(GL_LUMINANCE_ALPHA16F_EXT, D3D9FormatInfo(D3DFMT_A16B16G16R16F, D3DFMT_UNKNOWN, LoadLA16FToRGBA16F ))); + + map.insert(D3D9FormatPair(GL_ALPHA8_EXT, D3D9FormatInfo(D3DFMT_A8R8G8B8, D3DFMT_A8R8G8B8, FallbackLoad<gl::supportsSSE2, LoadA8ToBGRA8_SSE2, LoadA8ToBGRA8>))); + + map.insert(D3D9FormatPair(GL_RGB8_OES, D3D9FormatInfo(D3DFMT_X8R8G8B8, D3DFMT_X8R8G8B8, LoadRGB8ToBGRX8 ))); + map.insert(D3D9FormatPair(GL_RGB565, D3D9FormatInfo(D3DFMT_X8R8G8B8, D3DFMT_X8R8G8B8, LoadR5G6B5ToBGRA8 ))); + map.insert(D3D9FormatPair(GL_RGBA8_OES, D3D9FormatInfo(D3DFMT_A8R8G8B8, D3DFMT_A8R8G8B8, FallbackLoad<gl::supportsSSE2, LoadRGBA8ToBGRA8_SSE2, LoadRGBA8ToBGRA8>))); + map.insert(D3D9FormatPair(GL_RGBA4, D3D9FormatInfo(D3DFMT_A8R8G8B8, D3DFMT_A8R8G8B8, LoadRGBA4ToBGRA8 ))); + map.insert(D3D9FormatPair(GL_RGB5_A1, D3D9FormatInfo(D3DFMT_A8R8G8B8, D3DFMT_A8R8G8B8, LoadRGB5A1ToBGRA8 ))); + map.insert(D3D9FormatPair(GL_R8_EXT, D3D9FormatInfo(D3DFMT_X8R8G8B8, D3DFMT_X8R8G8B8, LoadR8ToBGRX8 ))); + map.insert(D3D9FormatPair(GL_RG8_EXT, D3D9FormatInfo(D3DFMT_X8R8G8B8, D3DFMT_X8R8G8B8, LoadRG8ToBGRX8 ))); + + map.insert(D3D9FormatPair(GL_BGRA8_EXT, D3D9FormatInfo(D3DFMT_A8R8G8B8, D3DFMT_A8R8G8B8, LoadToNative<GLubyte, 4> ))); + map.insert(D3D9FormatPair(GL_BGRA4_ANGLEX, D3D9FormatInfo(D3DFMT_A8R8G8B8, D3DFMT_A8R8G8B8, LoadBGRA4ToBGRA8 ))); + map.insert(D3D9FormatPair(GL_BGR5_A1_ANGLEX, D3D9FormatInfo(D3DFMT_A8R8G8B8, D3DFMT_A8R8G8B8, LoadBGR5A1ToBGRA8 ))); + + map.insert(D3D9FormatPair(GL_COMPRESSED_RGB_S3TC_DXT1_EXT, D3D9FormatInfo(D3DFMT_DXT1, D3DFMT_UNKNOWN, LoadCompressedToNative<4, 4, 8> ))); + map.insert(D3D9FormatPair(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, D3D9FormatInfo(D3DFMT_DXT1, D3DFMT_UNKNOWN, LoadCompressedToNative<4, 4, 8> ))); + map.insert(D3D9FormatPair(GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, D3D9FormatInfo(D3DFMT_DXT3, D3DFMT_UNKNOWN, LoadCompressedToNative<4, 4, 16> ))); + map.insert(D3D9FormatPair(GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, D3D9FormatInfo(D3DFMT_DXT5, D3DFMT_UNKNOWN, LoadCompressedToNative<4, 4, 16> ))); + + // These formats require checking if the renderer supports D3DFMT_L8 or D3DFMT_A8L8 and + // then changing the format and loading function appropriately. + map.insert(D3D9FormatPair(GL_LUMINANCE8_EXT, D3D9FormatInfo(D3DFMT_L8, D3DFMT_UNKNOWN, LoadToNative<GLubyte, 1> ))); + map.insert(D3D9FormatPair(GL_LUMINANCE8_ALPHA8_EXT, D3D9FormatInfo(D3DFMT_A8L8, D3DFMT_UNKNOWN, LoadToNative<GLubyte, 2> ))); + + return map; +} + +static bool GetD3D9FormatInfo(GLenum internalFormat, D3D9FormatInfo *outFormatInfo) +{ + static const D3D9FormatMap formatMap = BuildD3D9FormatMap(); + D3D9FormatMap::const_iterator iter = formatMap.find(internalFormat); + if (iter != formatMap.end()) + { + if (outFormatInfo) + { + *outFormatInfo = iter->second; + } + return true; + } + else + { + return false; + } +} + +// A map to determine the pixel size and mip generation function of a given D3D format +struct D3DFormatInfo +{ + GLuint mPixelBits; + GLuint mBlockWidth; + GLuint mBlockHeight; + GLenum mInternalFormat; + + MipGenerationFunction mMipGenerationFunction; + ColorReadFunction mColorReadFunction; + + D3DFormatInfo() + : mPixelBits(0), mBlockWidth(0), mBlockHeight(0), mInternalFormat(GL_NONE), mMipGenerationFunction(NULL), + mColorReadFunction(NULL) + { } + + D3DFormatInfo(GLuint pixelBits, GLuint blockWidth, GLuint blockHeight, GLenum internalFormat, + MipGenerationFunction mipFunc, ColorReadFunction readFunc) + : mPixelBits(pixelBits), mBlockWidth(blockWidth), mBlockHeight(blockHeight), mInternalFormat(internalFormat), + mMipGenerationFunction(mipFunc), mColorReadFunction(readFunc) + { } +}; + +typedef std::pair<D3DFORMAT, D3DFormatInfo> D3D9FormatInfoPair; +typedef std::map<D3DFORMAT, D3DFormatInfo> D3D9FormatInfoMap; + +static D3D9FormatInfoMap BuildD3D9FormatInfoMap() +{ + D3D9FormatInfoMap map; + + // | D3DFORMAT | | S |W |H | Internal format | Mip generation function | Color read function | + map.insert(D3D9FormatInfoPair(D3DFMT_NULL, D3DFormatInfo( 0, 0, 0, GL_NONE, NULL, NULL ))); + map.insert(D3D9FormatInfoPair(D3DFMT_UNKNOWN, D3DFormatInfo( 0, 0, 0, GL_NONE, NULL, NULL ))); + + map.insert(D3D9FormatInfoPair(D3DFMT_L8, D3DFormatInfo( 8, 1, 1, GL_LUMINANCE8_EXT, GenerateMip<L8>, ReadColor<L8, GLfloat> ))); + map.insert(D3D9FormatInfoPair(D3DFMT_A8, D3DFormatInfo( 8, 1, 1, GL_ALPHA8_EXT, GenerateMip<A8>, ReadColor<A8, GLfloat> ))); + map.insert(D3D9FormatInfoPair(D3DFMT_A8L8, D3DFormatInfo( 16, 1, 1, GL_LUMINANCE8_ALPHA8_EXT, GenerateMip<A8L8>, ReadColor<A8L8, GLfloat> ))); + map.insert(D3D9FormatInfoPair(D3DFMT_A4R4G4B4, D3DFormatInfo( 16, 1, 1, GL_BGRA4_ANGLEX, GenerateMip<B4G4R4A4>, ReadColor<B4G4R4A4, GLfloat> ))); + map.insert(D3D9FormatInfoPair(D3DFMT_A1R5G5B5, D3DFormatInfo( 16, 1, 1, GL_BGR5_A1_ANGLEX, GenerateMip<B5G5R5A1>, ReadColor<B5G5R5A1, GLfloat> ))); + map.insert(D3D9FormatInfoPair(D3DFMT_R5G6B5, D3DFormatInfo( 16, 1, 1, GL_RGB565, GenerateMip<R5G6B5>, ReadColor<R5G6B5, GLfloat> ))); + map.insert(D3D9FormatInfoPair(D3DFMT_X8R8G8B8, D3DFormatInfo( 32, 1, 1, GL_BGRA8_EXT, GenerateMip<B8G8R8X8>, ReadColor<B8G8R8X8, GLfloat> ))); + map.insert(D3D9FormatInfoPair(D3DFMT_A8R8G8B8, D3DFormatInfo( 32, 1, 1, GL_BGRA8_EXT, GenerateMip<B8G8R8A8>, ReadColor<B8G8R8A8, GLfloat> ))); + map.insert(D3D9FormatInfoPair(D3DFMT_R16F, D3DFormatInfo( 16, 1, 1, GL_R16F_EXT, GenerateMip<R16F>, ReadColor<R16F, GLfloat> ))); + map.insert(D3D9FormatInfoPair(D3DFMT_G16R16F, D3DFormatInfo( 32, 1, 1, GL_RG16F_EXT, GenerateMip<R16G16F>, ReadColor<R16G16F, GLfloat> ))); + map.insert(D3D9FormatInfoPair(D3DFMT_A16B16G16R16F, D3DFormatInfo( 64, 1, 1, GL_RGBA16F_EXT, GenerateMip<R16G16B16A16F>, ReadColor<R16G16B16A16F, GLfloat>))); + map.insert(D3D9FormatInfoPair(D3DFMT_R32F, D3DFormatInfo( 32, 1, 1, GL_R32F_EXT, GenerateMip<R32F>, ReadColor<R32F, GLfloat> ))); + map.insert(D3D9FormatInfoPair(D3DFMT_G32R32F, D3DFormatInfo( 64, 1, 1, GL_RG32F_EXT, GenerateMip<R32G32F>, ReadColor<R32G32F, GLfloat> ))); + map.insert(D3D9FormatInfoPair(D3DFMT_A32B32G32R32F, D3DFormatInfo(128, 1, 1, GL_RGBA32F_EXT, GenerateMip<R32G32B32A32F>, ReadColor<R32G32B32A32F, GLfloat>))); + + map.insert(D3D9FormatInfoPair(D3DFMT_D16, D3DFormatInfo( 16, 1, 1, GL_DEPTH_COMPONENT16, NULL, NULL ))); + map.insert(D3D9FormatInfoPair(D3DFMT_D24S8, D3DFormatInfo( 32, 1, 1, GL_DEPTH24_STENCIL8_OES, NULL, NULL ))); + map.insert(D3D9FormatInfoPair(D3DFMT_D24X8, D3DFormatInfo( 32, 1, 1, GL_DEPTH_COMPONENT16, NULL, NULL ))); + map.insert(D3D9FormatInfoPair(D3DFMT_D32, D3DFormatInfo( 32, 1, 1, GL_DEPTH_COMPONENT32_OES, NULL, NULL ))); + + map.insert(D3D9FormatInfoPair(D3DFMT_INTZ, D3DFormatInfo( 32, 1, 1, GL_DEPTH24_STENCIL8_OES, NULL, NULL ))); + + map.insert(D3D9FormatInfoPair(D3DFMT_DXT1, D3DFormatInfo( 64, 4, 4, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, NULL, NULL ))); + map.insert(D3D9FormatInfoPair(D3DFMT_DXT3, D3DFormatInfo(128, 4, 4, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, NULL, NULL ))); + map.insert(D3D9FormatInfoPair(D3DFMT_DXT5, D3DFormatInfo(128, 4, 4, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, NULL, NULL ))); + + return map; +} + +static const D3D9FormatInfoMap &GetD3D9FormatInfoMap() +{ + static const D3D9FormatInfoMap infoMap = BuildD3D9FormatInfoMap(); + return infoMap; +} + +static bool GetD3D9FormatInfo(D3DFORMAT format, D3DFormatInfo *outFormatInfo) +{ + const D3D9FormatInfoMap &infoMap = GetD3D9FormatInfoMap(); + D3D9FormatInfoMap::const_iterator iter = infoMap.find(format); + if (iter != infoMap.end()) + { + if (outFormatInfo) + { + *outFormatInfo = iter->second; + } + return true; + } + else + { + return false; + } +} +static d3d9::D3DFormatSet BuildAllD3DFormatSet() +{ + d3d9::D3DFormatSet set; + + const D3D9FormatInfoMap &infoMap = GetD3D9FormatInfoMap(); + for (D3D9FormatInfoMap::const_iterator i = infoMap.begin(); i != infoMap.end(); ++i) + { + set.insert(i->first); + } + + return set; +} + +struct D3D9FastCopyFormat +{ + D3DFORMAT mSourceFormat; + GLenum mDestFormat; + GLenum mDestType; + + D3D9FastCopyFormat(D3DFORMAT sourceFormat, GLenum destFormat, GLenum destType) + : mSourceFormat(sourceFormat), mDestFormat(destFormat), mDestType(destType) + { } + + bool operator<(const D3D9FastCopyFormat& other) const + { + return memcmp(this, &other, sizeof(D3D9FastCopyFormat)) < 0; + } +}; + +typedef std::map<D3D9FastCopyFormat, ColorCopyFunction> D3D9FastCopyMap; +typedef std::pair<D3D9FastCopyFormat, ColorCopyFunction> D3D9FastCopyPair; + +static D3D9FastCopyMap BuildFastCopyMap() +{ + D3D9FastCopyMap map; + + map.insert(D3D9FastCopyPair(D3D9FastCopyFormat(D3DFMT_A8R8G8B8, GL_RGBA, GL_UNSIGNED_BYTE), CopyBGRAUByteToRGBAUByte)); + + return map; +} + +typedef std::pair<GLint, InitializeTextureDataFunction> InternalFormatInitialzerPair; +typedef std::map<GLint, InitializeTextureDataFunction> InternalFormatInitialzerMap; + +static InternalFormatInitialzerMap BuildInternalFormatInitialzerMap() +{ + InternalFormatInitialzerMap map; + + map.insert(InternalFormatInitialzerPair(GL_RGB16F, Initialize4ComponentData<GLhalf, 0x0000, 0x0000, 0x0000, gl::Float16One>)); + map.insert(InternalFormatInitialzerPair(GL_RGB32F, Initialize4ComponentData<GLfloat, 0x00000000, 0x00000000, 0x00000000, gl::Float32One>)); + + return map; +} + +static const InternalFormatInitialzerMap &GetInternalFormatInitialzerMap() +{ + static const InternalFormatInitialzerMap map = BuildInternalFormatInitialzerMap(); + return map; +} + +namespace d3d9 +{ + +MipGenerationFunction GetMipGenerationFunction(D3DFORMAT format) +{ + D3DFormatInfo d3dFormatInfo; + if (GetD3D9FormatInfo(format, &d3dFormatInfo)) + { + return d3dFormatInfo.mMipGenerationFunction; + } + else + { + UNREACHABLE(); + return NULL; + } +} + +LoadImageFunction GetImageLoadFunction(GLenum internalFormat) +{ + D3D9FormatInfo d3d9FormatInfo; + if (GetD3D9FormatInfo(internalFormat, &d3d9FormatInfo)) + { + return d3d9FormatInfo.mLoadFunction; + } + else + { + UNREACHABLE(); + return NULL; + } +} + +GLuint GetFormatPixelBytes(D3DFORMAT format) +{ + D3DFormatInfo d3dFormatInfo; + if (GetD3D9FormatInfo(format, &d3dFormatInfo)) + { + return d3dFormatInfo.mPixelBits / 8; + } + else + { + UNREACHABLE(); + return 0; + } +} + +GLuint GetBlockWidth(D3DFORMAT format) +{ + D3DFormatInfo d3dFormatInfo; + if (GetD3D9FormatInfo(format, &d3dFormatInfo)) + { + return d3dFormatInfo.mBlockWidth; + } + else + { + UNREACHABLE(); + return 0; + } +} + +GLuint GetBlockHeight(D3DFORMAT format) +{ + D3DFormatInfo d3dFormatInfo; + if (GetD3D9FormatInfo(format, &d3dFormatInfo)) + { + return d3dFormatInfo.mBlockHeight; + } + else + { + UNREACHABLE(); + return 0; + } +} + +GLuint GetBlockSize(D3DFORMAT format, GLuint width, GLuint height) +{ + D3DFormatInfo d3dFormatInfo; + if (GetD3D9FormatInfo(format, &d3dFormatInfo)) + { + GLuint numBlocksWide = (width + d3dFormatInfo.mBlockWidth - 1) / d3dFormatInfo.mBlockWidth; + GLuint numBlocksHight = (height + d3dFormatInfo.mBlockHeight - 1) / d3dFormatInfo.mBlockHeight; + + return (d3dFormatInfo.mPixelBits * numBlocksWide * numBlocksHight) / 8; + } + else + { + UNREACHABLE(); + return 0; + } +} + +void MakeValidSize(bool isImage, D3DFORMAT format, GLsizei *requestWidth, GLsizei *requestHeight, int *levelOffset) +{ + D3DFormatInfo d3dFormatInfo; + if (GetD3D9FormatInfo(format, &d3dFormatInfo)) + { + int upsampleCount = 0; + + GLsizei blockWidth = d3dFormatInfo.mBlockWidth; + GLsizei blockHeight = d3dFormatInfo.mBlockHeight; + + // Don't expand the size of full textures that are at least (blockWidth x blockHeight) already. + if (isImage || *requestWidth < blockWidth || *requestHeight < blockHeight) + { + while (*requestWidth % blockWidth != 0 || *requestHeight % blockHeight != 0) + { + *requestWidth <<= 1; + *requestHeight <<= 1; + upsampleCount++; + } + } + *levelOffset = upsampleCount; + } +} + +const D3DFormatSet &GetAllUsedD3DFormats() +{ + static const D3DFormatSet formatSet = BuildAllD3DFormatSet(); + return formatSet; +} + +ColorReadFunction GetColorReadFunction(D3DFORMAT format) +{ + D3DFormatInfo d3dFormatInfo; + if (GetD3D9FormatInfo(format, &d3dFormatInfo)) + { + return d3dFormatInfo.mColorReadFunction; + } + else + { + UNREACHABLE(); + return NULL; + } +} + +ColorCopyFunction GetFastCopyFunction(D3DFORMAT sourceFormat, GLenum destFormat, GLenum destType) +{ + static const D3D9FastCopyMap fastCopyMap = BuildFastCopyMap(); + D3D9FastCopyMap::const_iterator iter = fastCopyMap.find(D3D9FastCopyFormat(sourceFormat, destFormat, destType)); + return (iter != fastCopyMap.end()) ? iter->second : NULL; +} + +GLenum GetDeclTypeComponentType(D3DDECLTYPE declType) +{ + switch (declType) + { + case D3DDECLTYPE_FLOAT1: return GL_FLOAT; + case D3DDECLTYPE_FLOAT2: return GL_FLOAT; + case D3DDECLTYPE_FLOAT3: return GL_FLOAT; + case D3DDECLTYPE_FLOAT4: return GL_FLOAT; + case D3DDECLTYPE_UBYTE4: return GL_UNSIGNED_INT; + case D3DDECLTYPE_SHORT2: return GL_INT; + case D3DDECLTYPE_SHORT4: return GL_INT; + case D3DDECLTYPE_UBYTE4N: return GL_UNSIGNED_NORMALIZED; + case D3DDECLTYPE_SHORT4N: return GL_SIGNED_NORMALIZED; + case D3DDECLTYPE_USHORT4N: return GL_UNSIGNED_NORMALIZED; + case D3DDECLTYPE_SHORT2N: return GL_SIGNED_NORMALIZED; + case D3DDECLTYPE_USHORT2N: return GL_UNSIGNED_NORMALIZED; + default: UNREACHABLE(); return GL_NONE; + } +} + +// Attribute format conversion +enum { NUM_GL_VERTEX_ATTRIB_TYPES = 6 }; + +struct FormatConverter +{ + bool identity; + std::size_t outputElementSize; + void (*convertArray)(const void *in, std::size_t stride, std::size_t n, void *out); + D3DDECLTYPE d3dDeclType; +}; + +struct TranslationDescription +{ + DWORD capsFlag; + FormatConverter preferredConversion; + FormatConverter fallbackConversion; +}; + +static unsigned int typeIndex(GLenum type); +static const FormatConverter &formatConverter(const gl::VertexAttribute &attribute); + +bool mTranslationsInitialized = false; +FormatConverter mFormatConverters[NUM_GL_VERTEX_ATTRIB_TYPES][2][4]; + +// Mapping from OpenGL-ES vertex attrib type to D3D decl type: +// +// BYTE SHORT (Cast) +// BYTE-norm FLOAT (Normalize) (can't be exactly represented as SHORT-norm) +// UNSIGNED_BYTE UBYTE4 (Identity) or SHORT (Cast) +// UNSIGNED_BYTE-norm UBYTE4N (Identity) or FLOAT (Normalize) +// SHORT SHORT (Identity) +// SHORT-norm SHORT-norm (Identity) or FLOAT (Normalize) +// UNSIGNED_SHORT FLOAT (Cast) +// UNSIGNED_SHORT-norm USHORT-norm (Identity) or FLOAT (Normalize) +// FIXED (not in WebGL) FLOAT (FixedToFloat) +// FLOAT FLOAT (Identity) + +// GLToCType maps from GL type (as GLenum) to the C typedef. +template <GLenum GLType> struct GLToCType { }; + +template <> struct GLToCType<GL_BYTE> { typedef GLbyte type; }; +template <> struct GLToCType<GL_UNSIGNED_BYTE> { typedef GLubyte type; }; +template <> struct GLToCType<GL_SHORT> { typedef GLshort type; }; +template <> struct GLToCType<GL_UNSIGNED_SHORT> { typedef GLushort type; }; +template <> struct GLToCType<GL_FIXED> { typedef GLuint type; }; +template <> struct GLToCType<GL_FLOAT> { typedef GLfloat type; }; + +// This differs from D3DDECLTYPE in that it is unsized. (Size expansion is applied last.) +enum D3DVertexType +{ + D3DVT_FLOAT, + D3DVT_SHORT, + D3DVT_SHORT_NORM, + D3DVT_UBYTE, + D3DVT_UBYTE_NORM, + D3DVT_USHORT_NORM +}; + +// D3DToCType maps from D3D vertex type (as enum D3DVertexType) to the corresponding C type. +template <unsigned int D3DType> struct D3DToCType { }; + +template <> struct D3DToCType<D3DVT_FLOAT> { typedef float type; }; +template <> struct D3DToCType<D3DVT_SHORT> { typedef short type; }; +template <> struct D3DToCType<D3DVT_SHORT_NORM> { typedef short type; }; +template <> struct D3DToCType<D3DVT_UBYTE> { typedef unsigned char type; }; +template <> struct D3DToCType<D3DVT_UBYTE_NORM> { typedef unsigned char type; }; +template <> struct D3DToCType<D3DVT_USHORT_NORM> { typedef unsigned short type; }; + +// Encode the type/size combinations that D3D permits. For each type/size it expands to a widener that will provide the appropriate final size. +template <unsigned int type, int size> struct WidenRule { }; + +template <int size> struct WidenRule<D3DVT_FLOAT, size> : NoWiden<size> { }; +template <int size> struct WidenRule<D3DVT_SHORT, size> : WidenToEven<size> { }; +template <int size> struct WidenRule<D3DVT_SHORT_NORM, size> : WidenToEven<size> { }; +template <int size> struct WidenRule<D3DVT_UBYTE, size> : WidenToFour<size> { }; +template <int size> struct WidenRule<D3DVT_UBYTE_NORM, size> : WidenToFour<size> { }; +template <int size> struct WidenRule<D3DVT_USHORT_NORM, size> : WidenToEven<size> { }; + +// VertexTypeFlags encodes the D3DCAPS9::DeclType flag and vertex declaration flag for each D3D vertex type & size combination. +template <unsigned int d3dtype, int size> struct VertexTypeFlags { }; + +template <unsigned int _capflag, unsigned int _declflag> +struct VertexTypeFlagsHelper +{ + enum { capflag = _capflag }; + enum { declflag = _declflag }; +}; + +template <> struct VertexTypeFlags<D3DVT_FLOAT, 1> : VertexTypeFlagsHelper<0, D3DDECLTYPE_FLOAT1> { }; +template <> struct VertexTypeFlags<D3DVT_FLOAT, 2> : VertexTypeFlagsHelper<0, D3DDECLTYPE_FLOAT2> { }; +template <> struct VertexTypeFlags<D3DVT_FLOAT, 3> : VertexTypeFlagsHelper<0, D3DDECLTYPE_FLOAT3> { }; +template <> struct VertexTypeFlags<D3DVT_FLOAT, 4> : VertexTypeFlagsHelper<0, D3DDECLTYPE_FLOAT4> { }; +template <> struct VertexTypeFlags<D3DVT_SHORT, 2> : VertexTypeFlagsHelper<0, D3DDECLTYPE_SHORT2> { }; +template <> struct VertexTypeFlags<D3DVT_SHORT, 4> : VertexTypeFlagsHelper<0, D3DDECLTYPE_SHORT4> { }; +template <> struct VertexTypeFlags<D3DVT_SHORT_NORM, 2> : VertexTypeFlagsHelper<D3DDTCAPS_SHORT2N, D3DDECLTYPE_SHORT2N> { }; +template <> struct VertexTypeFlags<D3DVT_SHORT_NORM, 4> : VertexTypeFlagsHelper<D3DDTCAPS_SHORT4N, D3DDECLTYPE_SHORT4N> { }; +template <> struct VertexTypeFlags<D3DVT_UBYTE, 4> : VertexTypeFlagsHelper<D3DDTCAPS_UBYTE4, D3DDECLTYPE_UBYTE4> { }; +template <> struct VertexTypeFlags<D3DVT_UBYTE_NORM, 4> : VertexTypeFlagsHelper<D3DDTCAPS_UBYTE4N, D3DDECLTYPE_UBYTE4N> { }; +template <> struct VertexTypeFlags<D3DVT_USHORT_NORM, 2> : VertexTypeFlagsHelper<D3DDTCAPS_USHORT2N, D3DDECLTYPE_USHORT2N> { }; +template <> struct VertexTypeFlags<D3DVT_USHORT_NORM, 4> : VertexTypeFlagsHelper<D3DDTCAPS_USHORT4N, D3DDECLTYPE_USHORT4N> { }; + + +// VertexTypeMapping maps GL type & normalized flag to preferred and fallback D3D vertex types (as D3DVertexType enums). +template <GLenum GLtype, bool normalized> struct VertexTypeMapping { }; + +template <D3DVertexType Preferred, D3DVertexType Fallback = Preferred> +struct VertexTypeMappingBase +{ + enum { preferred = Preferred }; + enum { fallback = Fallback }; +}; + +template <> struct VertexTypeMapping<GL_BYTE, false> : VertexTypeMappingBase<D3DVT_SHORT> { }; // Cast +template <> struct VertexTypeMapping<GL_BYTE, true> : VertexTypeMappingBase<D3DVT_FLOAT> { }; // Normalize +template <> struct VertexTypeMapping<GL_UNSIGNED_BYTE, false> : VertexTypeMappingBase<D3DVT_UBYTE, D3DVT_FLOAT> { }; // Identity, Cast +template <> struct VertexTypeMapping<GL_UNSIGNED_BYTE, true> : VertexTypeMappingBase<D3DVT_UBYTE_NORM, D3DVT_FLOAT> { }; // Identity, Normalize +template <> struct VertexTypeMapping<GL_SHORT, false> : VertexTypeMappingBase<D3DVT_SHORT> { }; // Identity +template <> struct VertexTypeMapping<GL_SHORT, true> : VertexTypeMappingBase<D3DVT_SHORT_NORM, D3DVT_FLOAT> { }; // Cast, Normalize +template <> struct VertexTypeMapping<GL_UNSIGNED_SHORT, false> : VertexTypeMappingBase<D3DVT_FLOAT> { }; // Cast +template <> struct VertexTypeMapping<GL_UNSIGNED_SHORT, true> : VertexTypeMappingBase<D3DVT_USHORT_NORM, D3DVT_FLOAT> { }; // Cast, Normalize +template <bool normalized> struct VertexTypeMapping<GL_FIXED, normalized> : VertexTypeMappingBase<D3DVT_FLOAT> { }; // FixedToFloat +template <bool normalized> struct VertexTypeMapping<GL_FLOAT, normalized> : VertexTypeMappingBase<D3DVT_FLOAT> { }; // Identity + + +// Given a GL type & norm flag and a D3D type, ConversionRule provides the type conversion rule (Cast, Normalize, Identity, FixedToFloat). +// The conversion rules themselves are defined in vertexconversion.h. + +// Almost all cases are covered by Cast (including those that are actually Identity since Cast<T,T> knows it's an identity mapping). +template <GLenum fromType, bool normalized, unsigned int toType> +struct ConversionRule : Cast<typename GLToCType<fromType>::type, typename D3DToCType<toType>::type> { }; + +// All conversions from normalized types to float use the Normalize operator. +template <GLenum fromType> struct ConversionRule<fromType, true, D3DVT_FLOAT> : Normalize<typename GLToCType<fromType>::type> { }; + +// Use a full specialization for this so that it preferentially matches ahead of the generic normalize-to-float rules. +template <> struct ConversionRule<GL_FIXED, true, D3DVT_FLOAT> : FixedToFloat<GLint, 16> { }; +template <> struct ConversionRule<GL_FIXED, false, D3DVT_FLOAT> : FixedToFloat<GLint, 16> { }; + +// A 2-stage construction is used for DefaultVertexValues because float must use SimpleDefaultValues (i.e. 0/1) +// whether it is normalized or not. +template <class T, bool normalized> struct DefaultVertexValuesStage2 { }; + +template <class T> struct DefaultVertexValuesStage2<T, true> : NormalizedDefaultValues<T> { }; +template <class T> struct DefaultVertexValuesStage2<T, false> : SimpleDefaultValues<T> { }; + +// Work out the default value rule for a D3D type (expressed as the C type) and +template <class T, bool normalized> struct DefaultVertexValues : DefaultVertexValuesStage2<T, normalized> { }; +template <bool normalized> struct DefaultVertexValues<float, normalized> : SimpleDefaultValues<float> { }; + +// Policy rules for use with Converter, to choose whether to use the preferred or fallback conversion. +// The fallback conversion produces an output that all D3D9 devices must support. +template <class T> struct UsePreferred { enum { type = T::preferred }; }; +template <class T> struct UseFallback { enum { type = T::fallback }; }; + +// Converter ties it all together. Given an OpenGL type/norm/size and choice of preferred/fallback conversion, +// it provides all the members of the appropriate VertexDataConverter, the D3DCAPS9::DeclTypes flag in cap flag +// and the D3DDECLTYPE member needed for the vertex declaration in declflag. +template <GLenum fromType, bool normalized, int size, template <class T> class PreferenceRule> +struct Converter + : VertexDataConverter<typename GLToCType<fromType>::type, + WidenRule<PreferenceRule< VertexTypeMapping<fromType, normalized> >::type, size>, + ConversionRule<fromType, + normalized, + PreferenceRule< VertexTypeMapping<fromType, normalized> >::type>, + DefaultVertexValues<typename D3DToCType<PreferenceRule< VertexTypeMapping<fromType, normalized> >::type>::type, normalized > > +{ +private: + enum { d3dtype = PreferenceRule< VertexTypeMapping<fromType, normalized> >::type }; + enum { d3dsize = WidenRule<d3dtype, size>::finalWidth }; + +public: + enum { capflag = VertexTypeFlags<d3dtype, d3dsize>::capflag }; + enum { declflag = VertexTypeFlags<d3dtype, d3dsize>::declflag }; +}; + +// Initialize a TranslationInfo +#define TRANSLATION(type, norm, size, preferred) \ + { \ + Converter<type, norm, size, preferred>::identity, \ + Converter<type, norm, size, preferred>::finalSize, \ + Converter<type, norm, size, preferred>::convertArray, \ + static_cast<D3DDECLTYPE>(Converter<type, norm, size, preferred>::declflag) \ + } + +#define TRANSLATION_FOR_TYPE_NORM_SIZE(type, norm, size) \ + { \ + Converter<type, norm, size, UsePreferred>::capflag, \ + TRANSLATION(type, norm, size, UsePreferred), \ + TRANSLATION(type, norm, size, UseFallback) \ + } + +#define TRANSLATIONS_FOR_TYPE(type) \ + { \ + { TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 1), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 2), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 3), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 4) }, \ + { TRANSLATION_FOR_TYPE_NORM_SIZE(type, true, 1), TRANSLATION_FOR_TYPE_NORM_SIZE(type, true, 2), TRANSLATION_FOR_TYPE_NORM_SIZE(type, true, 3), TRANSLATION_FOR_TYPE_NORM_SIZE(type, true, 4) }, \ + } + +#define TRANSLATIONS_FOR_TYPE_NO_NORM(type) \ + { \ + { TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 1), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 2), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 3), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 4) }, \ + { TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 1), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 2), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 3), TRANSLATION_FOR_TYPE_NORM_SIZE(type, false, 4) }, \ + } + +const TranslationDescription mPossibleTranslations[NUM_GL_VERTEX_ATTRIB_TYPES][2][4] = // [GL types as enumerated by typeIndex()][normalized][size-1] +{ + TRANSLATIONS_FOR_TYPE(GL_BYTE), + TRANSLATIONS_FOR_TYPE(GL_UNSIGNED_BYTE), + TRANSLATIONS_FOR_TYPE(GL_SHORT), + TRANSLATIONS_FOR_TYPE(GL_UNSIGNED_SHORT), + TRANSLATIONS_FOR_TYPE_NO_NORM(GL_FIXED), + TRANSLATIONS_FOR_TYPE_NO_NORM(GL_FLOAT) +}; + +void InitializeVertexTranslations(const rx::Renderer9 *renderer) +{ + DWORD declTypes = renderer->getCapsDeclTypes(); + + for (unsigned int i = 0; i < NUM_GL_VERTEX_ATTRIB_TYPES; i++) + { + for (unsigned int j = 0; j < 2; j++) + { + for (unsigned int k = 0; k < 4; k++) + { + if (mPossibleTranslations[i][j][k].capsFlag == 0 || (declTypes & mPossibleTranslations[i][j][k].capsFlag) != 0) + { + mFormatConverters[i][j][k] = mPossibleTranslations[i][j][k].preferredConversion; + } + else + { + mFormatConverters[i][j][k] = mPossibleTranslations[i][j][k].fallbackConversion; + } + } + } + } +} + +unsigned int typeIndex(GLenum type) +{ + switch (type) + { + case GL_BYTE: return 0; + case GL_UNSIGNED_BYTE: return 1; + case GL_SHORT: return 2; + case GL_UNSIGNED_SHORT: return 3; + case GL_FIXED: return 4; + case GL_FLOAT: return 5; + + default: UNREACHABLE(); return 5; + } +} + +const FormatConverter &formatConverter(const gl::VertexFormat &vertexFormat) +{ + // Pure integer attributes only supported in ES3.0 + ASSERT(!vertexFormat.mPureInteger); + return mFormatConverters[typeIndex(vertexFormat.mType)][vertexFormat.mNormalized][vertexFormat.mComponents - 1]; +} + +VertexCopyFunction GetVertexCopyFunction(const gl::VertexFormat &vertexFormat) +{ + return formatConverter(vertexFormat).convertArray; +} + +size_t GetVertexElementSize(const gl::VertexFormat &vertexFormat) +{ + return formatConverter(vertexFormat).outputElementSize; +} + +VertexConversionType GetVertexConversionType(const gl::VertexFormat &vertexFormat) +{ + return (formatConverter(vertexFormat).identity ? VERTEX_CONVERT_NONE : VERTEX_CONVERT_CPU); +} + +D3DDECLTYPE GetNativeVertexFormat(const gl::VertexFormat &vertexFormat) +{ + return formatConverter(vertexFormat).d3dDeclType; +} + +} + +namespace gl_d3d9 +{ + +D3DFORMAT GetTextureFormat(GLenum internalFormat) +{ + D3D9FormatInfo d3d9FormatInfo; + if (GetD3D9FormatInfo(internalFormat, &d3d9FormatInfo)) + { + return d3d9FormatInfo.mTexFormat; + } + else + { + return D3DFMT_UNKNOWN; + } +} + +D3DFORMAT GetRenderFormat(GLenum internalFormat) +{ + D3D9FormatInfo d3d9FormatInfo; + if (GetD3D9FormatInfo(internalFormat, &d3d9FormatInfo)) + { + return d3d9FormatInfo.mRenderFormat; + } + else + { + return D3DFMT_UNKNOWN; + } +} + +D3DMULTISAMPLE_TYPE GetMultisampleType(GLsizei samples) +{ + return (samples > 1) ? static_cast<D3DMULTISAMPLE_TYPE>(samples) : D3DMULTISAMPLE_NONE; +} + +bool RequiresTextureDataInitialization(GLint internalFormat) +{ + const InternalFormatInitialzerMap &map = GetInternalFormatInitialzerMap(); + return map.find(internalFormat) != map.end(); +} + +InitializeTextureDataFunction GetTextureDataInitializationFunction(GLint internalFormat) +{ + const InternalFormatInitialzerMap &map = GetInternalFormatInitialzerMap(); + InternalFormatInitialzerMap::const_iterator iter = map.find(internalFormat); + if (iter != map.end()) + { + return iter->second; + } + else + { + UNREACHABLE(); + return NULL; + } +} + +} + +namespace d3d9_gl +{ + +GLenum GetInternalFormat(D3DFORMAT format) +{ + static const D3D9FormatInfoMap infoMap = BuildD3D9FormatInfoMap(); + D3D9FormatInfoMap::const_iterator iter = infoMap.find(format); + if (iter != infoMap.end()) + { + return iter->second.mInternalFormat; + } + else + { + UNREACHABLE(); + return GL_NONE; + } +} + +GLsizei GetSamplesCount(D3DMULTISAMPLE_TYPE type) +{ + return (type != D3DMULTISAMPLE_NONMASKABLE) ? type : 0; +} + +bool IsFormatChannelEquivalent(D3DFORMAT d3dformat, GLenum format) +{ + GLenum internalFormat = d3d9_gl::GetInternalFormat(d3dformat); + GLenum convertedFormat = gl::GetFormat(internalFormat); + return convertedFormat == format; +} + +} + +} |