diff options
Diffstat (limited to 'src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/formatutils11.cpp')
| -rw-r--r-- | src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/formatutils11.cpp | 1328 |
1 files changed, 1328 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/formatutils11.cpp b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/formatutils11.cpp new file mode 100644 index 0000000000..2f81d6d608 --- /dev/null +++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/d3d11/formatutils11.cpp @@ -0,0 +1,1328 @@ +// +// 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. +// + +// formatutils11.cpp: Queries for GL image formats and their translations to D3D11 +// formats. + +#include "libANGLE/renderer/d3d/d3d11/formatutils11.h" + +#include "libANGLE/formatutils.h" +#include "libANGLE/renderer/Renderer.h" +#include "libANGLE/renderer/d3d/copyimage.h" +#include "libANGLE/renderer/d3d/generatemip.h" +#include "libANGLE/renderer/d3d/loadimage.h" +#include "libANGLE/renderer/d3d/d3d11/copyvertex.h" + +namespace rx +{ + +namespace d3d11 +{ + +typedef std::map<DXGI_FORMAT, GLenum> DXGIToESFormatMap; + +inline void AddDXGIToESEntry(DXGIToESFormatMap *map, DXGI_FORMAT key, GLenum value) +{ + map->insert(std::make_pair(key, value)); +} + +static DXGIToESFormatMap BuildDXGIToESFormatMap() +{ + DXGIToESFormatMap map; + + AddDXGIToESEntry(&map, DXGI_FORMAT_UNKNOWN, GL_NONE); + + AddDXGIToESEntry(&map, DXGI_FORMAT_A8_UNORM, GL_ALPHA8_EXT); + AddDXGIToESEntry(&map, DXGI_FORMAT_R8_UNORM, GL_R8); + AddDXGIToESEntry(&map, DXGI_FORMAT_R8G8_UNORM, GL_RG8); + AddDXGIToESEntry(&map, DXGI_FORMAT_R8G8B8A8_UNORM, GL_RGBA8); + AddDXGIToESEntry(&map, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, GL_SRGB8_ALPHA8); + AddDXGIToESEntry(&map, DXGI_FORMAT_B8G8R8A8_UNORM, GL_BGRA8_EXT); + + AddDXGIToESEntry(&map, DXGI_FORMAT_R8_SNORM, GL_R8_SNORM); + AddDXGIToESEntry(&map, DXGI_FORMAT_R8G8_SNORM, GL_RG8_SNORM); + AddDXGIToESEntry(&map, DXGI_FORMAT_R8G8B8A8_SNORM, GL_RGBA8_SNORM); + + AddDXGIToESEntry(&map, DXGI_FORMAT_R8_UINT, GL_R8UI); + AddDXGIToESEntry(&map, DXGI_FORMAT_R16_UINT, GL_R16UI); + AddDXGIToESEntry(&map, DXGI_FORMAT_R32_UINT, GL_R32UI); + AddDXGIToESEntry(&map, DXGI_FORMAT_R8G8_UINT, GL_RG8UI); + AddDXGIToESEntry(&map, DXGI_FORMAT_R16G16_UINT, GL_RG16UI); + AddDXGIToESEntry(&map, DXGI_FORMAT_R32G32_UINT, GL_RG32UI); + AddDXGIToESEntry(&map, DXGI_FORMAT_R32G32B32_UINT, GL_RGB32UI); + AddDXGIToESEntry(&map, DXGI_FORMAT_R8G8B8A8_UINT, GL_RGBA8UI); + AddDXGIToESEntry(&map, DXGI_FORMAT_R16G16B16A16_UINT, GL_RGBA16UI); + AddDXGIToESEntry(&map, DXGI_FORMAT_R32G32B32A32_UINT, GL_RGBA32UI); + + AddDXGIToESEntry(&map, DXGI_FORMAT_R8_SINT, GL_R8I); + AddDXGIToESEntry(&map, DXGI_FORMAT_R16_SINT, GL_R16I); + AddDXGIToESEntry(&map, DXGI_FORMAT_R32_SINT, GL_R32I); + AddDXGIToESEntry(&map, DXGI_FORMAT_R8G8_SINT, GL_RG8I); + AddDXGIToESEntry(&map, DXGI_FORMAT_R16G16_SINT, GL_RG16I); + AddDXGIToESEntry(&map, DXGI_FORMAT_R32G32_SINT, GL_RG32I); + AddDXGIToESEntry(&map, DXGI_FORMAT_R32G32B32_SINT, GL_RGB32I); + AddDXGIToESEntry(&map, DXGI_FORMAT_R8G8B8A8_SINT, GL_RGBA8I); + AddDXGIToESEntry(&map, DXGI_FORMAT_R16G16B16A16_SINT, GL_RGBA16I); + AddDXGIToESEntry(&map, DXGI_FORMAT_R32G32B32A32_SINT, GL_RGBA32I); + + AddDXGIToESEntry(&map, DXGI_FORMAT_R10G10B10A2_UNORM, GL_RGB10_A2); + AddDXGIToESEntry(&map, DXGI_FORMAT_R10G10B10A2_UINT, GL_RGB10_A2UI); + + AddDXGIToESEntry(&map, DXGI_FORMAT_R16_FLOAT, GL_R16F); + AddDXGIToESEntry(&map, DXGI_FORMAT_R16G16_FLOAT, GL_RG16F); + AddDXGIToESEntry(&map, DXGI_FORMAT_R16G16B16A16_FLOAT, GL_RGBA16F); + + AddDXGIToESEntry(&map, DXGI_FORMAT_R32_FLOAT, GL_R32F); + AddDXGIToESEntry(&map, DXGI_FORMAT_R32G32_FLOAT, GL_RG32F); + AddDXGIToESEntry(&map, DXGI_FORMAT_R32G32B32_FLOAT, GL_RGB32F); + AddDXGIToESEntry(&map, DXGI_FORMAT_R32G32B32A32_FLOAT, GL_RGBA32F); + + AddDXGIToESEntry(&map, DXGI_FORMAT_R9G9B9E5_SHAREDEXP, GL_RGB9_E5); + AddDXGIToESEntry(&map, DXGI_FORMAT_R11G11B10_FLOAT, GL_R11F_G11F_B10F); + + AddDXGIToESEntry(&map, DXGI_FORMAT_R16_TYPELESS, GL_DEPTH_COMPONENT16); + AddDXGIToESEntry(&map, DXGI_FORMAT_R16_UNORM, GL_DEPTH_COMPONENT16); + AddDXGIToESEntry(&map, DXGI_FORMAT_D16_UNORM, GL_DEPTH_COMPONENT16); + AddDXGIToESEntry(&map, DXGI_FORMAT_R24G8_TYPELESS, GL_DEPTH24_STENCIL8_OES); + AddDXGIToESEntry(&map, DXGI_FORMAT_R24_UNORM_X8_TYPELESS, GL_DEPTH24_STENCIL8_OES); + AddDXGIToESEntry(&map, DXGI_FORMAT_D24_UNORM_S8_UINT, GL_DEPTH24_STENCIL8_OES); + AddDXGIToESEntry(&map, DXGI_FORMAT_R32G8X24_TYPELESS, GL_DEPTH32F_STENCIL8); + AddDXGIToESEntry(&map, DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS, GL_DEPTH32F_STENCIL8); + AddDXGIToESEntry(&map, DXGI_FORMAT_D32_FLOAT_S8X24_UINT, GL_DEPTH32F_STENCIL8); + AddDXGIToESEntry(&map, DXGI_FORMAT_R32_TYPELESS, GL_DEPTH_COMPONENT32F); + AddDXGIToESEntry(&map, DXGI_FORMAT_D32_FLOAT, GL_DEPTH_COMPONENT32F); + + AddDXGIToESEntry(&map, DXGI_FORMAT_BC1_UNORM, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT); + AddDXGIToESEntry(&map, DXGI_FORMAT_BC2_UNORM, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE); + AddDXGIToESEntry(&map, DXGI_FORMAT_BC3_UNORM, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE); + + return map; +} + +struct D3D11FastCopyFormat +{ + GLenum destFormat; + GLenum destType; + ColorCopyFunction copyFunction; + + D3D11FastCopyFormat(GLenum destFormat, GLenum destType, ColorCopyFunction copyFunction) + : destFormat(destFormat), destType(destType), copyFunction(copyFunction) + { } + + bool operator<(const D3D11FastCopyFormat& other) const + { + return memcmp(this, &other, sizeof(D3D11FastCopyFormat)) < 0; + } +}; + +typedef std::multimap<DXGI_FORMAT, D3D11FastCopyFormat> D3D11FastCopyMap; + +static D3D11FastCopyMap BuildFastCopyMap() +{ + D3D11FastCopyMap map; + + map.insert(std::make_pair(DXGI_FORMAT_B8G8R8A8_UNORM, D3D11FastCopyFormat(GL_RGBA, GL_UNSIGNED_BYTE, CopyBGRA8ToRGBA8))); + + return map; +} + +struct DXGIColorFormatInfo +{ + size_t redBits; + size_t greenBits; + size_t blueBits; + + size_t luminanceBits; + + size_t alphaBits; + size_t sharedBits; +}; + +typedef std::map<DXGI_FORMAT, DXGIColorFormatInfo> ColorFormatInfoMap; +typedef std::pair<DXGI_FORMAT, DXGIColorFormatInfo> ColorFormatInfoPair; + +static inline void InsertDXGIColorFormatInfo(ColorFormatInfoMap *map, DXGI_FORMAT format, size_t redBits, size_t greenBits, + size_t blueBits, size_t alphaBits, size_t sharedBits) +{ + DXGIColorFormatInfo info; + info.redBits = redBits; + info.greenBits = greenBits; + info.blueBits = blueBits; + info.alphaBits = alphaBits; + info.sharedBits = sharedBits; + + map->insert(std::make_pair(format, info)); +} + +static ColorFormatInfoMap BuildColorFormatInfoMap() +{ + ColorFormatInfoMap map; + + // | DXGI format | R | G | B | A | S | + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_A8_UNORM, 0, 0, 0, 8, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R8_UNORM, 8, 0, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R8G8_UNORM, 8, 8, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R8G8B8A8_UNORM, 8, 8, 8, 8, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, 8, 8, 8, 8, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_B8G8R8A8_UNORM, 8, 8, 8, 8, 0); + + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R8_SNORM, 8, 0, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R8G8_SNORM, 8, 8, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R8G8B8A8_SNORM, 8, 8, 8, 8, 0); + + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R8_UINT, 8, 0, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R16_UINT, 16, 0, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R32_UINT, 32, 0, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R8G8_UINT, 8, 8, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R16G16_UINT, 16, 16, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R32G32_UINT, 32, 32, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R32G32B32_UINT, 32, 32, 32, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R8G8B8A8_UINT, 8, 8, 8, 8, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R16G16B16A16_UINT, 16, 16, 16, 16, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R32G32B32A32_UINT, 32, 32, 32, 32, 0); + + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R8_SINT, 8, 0, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R16_SINT, 16, 0, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R32_SINT, 32, 0, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R8G8_SINT, 8, 8, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R16G16_SINT, 16, 16, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R32G32_SINT, 32, 32, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R32G32B32_SINT, 32, 32, 32, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R8G8B8A8_SINT, 8, 8, 8, 8, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R16G16B16A16_SINT, 16, 16, 16, 16, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R32G32B32A32_SINT, 32, 32, 32, 32, 0); + + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R10G10B10A2_UNORM, 10, 10, 10, 2, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R10G10B10A2_UINT, 10, 10, 10, 2, 0); + + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R16_FLOAT, 16, 0, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R16G16_FLOAT, 16, 16, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R16G16B16A16_FLOAT, 16, 16, 16, 16, 0); + + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R32_FLOAT, 32, 0, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R32G32_FLOAT, 32, 32, 0, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R32G32B32_FLOAT, 32, 32, 32, 0, 0); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R32G32B32A32_FLOAT, 32, 32, 32, 32, 0); + + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R9G9B9E5_SHAREDEXP, 9, 9, 9, 0, 5); + InsertDXGIColorFormatInfo(&map, DXGI_FORMAT_R11G11B10_FLOAT, 11, 11, 10, 0, 0); + + return map; +} + +struct DXGIDepthStencilInfo +{ + unsigned int depthBits; + unsigned int depthOffset; + unsigned int stencilBits; + unsigned int stencilOffset; +}; + +typedef std::map<DXGI_FORMAT, DXGIDepthStencilInfo> DepthStencilInfoMap; +typedef std::pair<DXGI_FORMAT, DXGIDepthStencilInfo> DepthStencilInfoPair; + +static inline void InsertDXGIDepthStencilInfo(DepthStencilInfoMap *map, DXGI_FORMAT format, unsigned int depthBits, + unsigned int depthOffset, unsigned int stencilBits, unsigned int stencilOffset) +{ + DXGIDepthStencilInfo info; + info.depthBits = depthBits; + info.depthOffset = depthOffset; + info.stencilBits = stencilBits; + info.stencilOffset = stencilOffset; + + map->insert(std::make_pair(format, info)); +} + +static DepthStencilInfoMap BuildDepthStencilInfoMap() +{ + DepthStencilInfoMap map; + + InsertDXGIDepthStencilInfo(&map, DXGI_FORMAT_R16_TYPELESS, 16, 0, 0, 0); + InsertDXGIDepthStencilInfo(&map, DXGI_FORMAT_R16_UNORM, 16, 0, 0, 0); + InsertDXGIDepthStencilInfo(&map, DXGI_FORMAT_D16_UNORM, 16, 0, 0, 0); + + InsertDXGIDepthStencilInfo(&map, DXGI_FORMAT_R24G8_TYPELESS, 24, 0, 8, 24); + InsertDXGIDepthStencilInfo(&map, DXGI_FORMAT_R24_UNORM_X8_TYPELESS, 24, 0, 8, 24); + InsertDXGIDepthStencilInfo(&map, DXGI_FORMAT_D24_UNORM_S8_UINT, 24, 0, 8, 24); + + InsertDXGIDepthStencilInfo(&map, DXGI_FORMAT_R32_TYPELESS, 32, 0, 0, 0); + InsertDXGIDepthStencilInfo(&map, DXGI_FORMAT_R32_FLOAT, 32, 0, 0, 0); + InsertDXGIDepthStencilInfo(&map, DXGI_FORMAT_D32_FLOAT, 32, 0, 0, 0); + + InsertDXGIDepthStencilInfo(&map, DXGI_FORMAT_R32G8X24_TYPELESS, 32, 0, 8, 32); + InsertDXGIDepthStencilInfo(&map, DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS, 32, 0, 8, 32); + InsertDXGIDepthStencilInfo(&map, DXGI_FORMAT_D32_FLOAT_S8X24_UINT, 32, 0, 8, 32); + + return map; +} + +typedef std::map<DXGI_FORMAT, DXGIFormat> DXGIFormatInfoMap; + +DXGIFormat::DXGIFormat() + : pixelBytes(0), + blockWidth(0), + blockHeight(0), + redBits(0), + greenBits(0), + blueBits(0), + alphaBits(0), + sharedBits(0), + depthBits(0), + depthOffset(0), + stencilBits(0), + stencilOffset(0), + internalFormat(GL_NONE), + componentType(GL_NONE), + mipGenerationFunction(NULL), + colorReadFunction(NULL), + fastCopyFunctions() +{ +} + +ColorCopyFunction DXGIFormat::getFastCopyFunction(GLenum format, GLenum type) const +{ + FastCopyFunctionMap::const_iterator iter = fastCopyFunctions.find(std::make_pair(format, type)); + return (iter != fastCopyFunctions.end()) ? iter->second : NULL; +} + +void AddDXGIFormat(DXGIFormatInfoMap *map, DXGI_FORMAT dxgiFormat, GLuint pixelBits, GLuint blockWidth, GLuint blockHeight, + GLenum componentType, MipGenerationFunction mipFunc, ColorReadFunction readFunc) +{ + DXGIFormat info; + info.pixelBytes = pixelBits / 8; + info.blockWidth = blockWidth; + info.blockHeight = blockHeight; + + static const ColorFormatInfoMap colorInfoMap = BuildColorFormatInfoMap(); + ColorFormatInfoMap::const_iterator colorInfoIter = colorInfoMap.find(dxgiFormat); + if (colorInfoIter != colorInfoMap.end()) + { + const DXGIColorFormatInfo &colorInfo = colorInfoIter->second; + info.redBits = colorInfo.redBits; + info.greenBits = colorInfo.greenBits; + info.blueBits = colorInfo.blueBits; + info.alphaBits = colorInfo.alphaBits; + info.sharedBits = colorInfo.sharedBits; + } + + static const DepthStencilInfoMap dsInfoMap = BuildDepthStencilInfoMap(); + DepthStencilInfoMap::const_iterator dsInfoIter = dsInfoMap.find(dxgiFormat); + if (dsInfoIter != dsInfoMap.end()) + { + const DXGIDepthStencilInfo &dsInfo = dsInfoIter->second; + info.depthBits = dsInfo.depthBits; + info.depthOffset = dsInfo.depthOffset; + info.stencilBits = dsInfo.stencilBits; + info.stencilOffset = dsInfo.stencilOffset; + } + + static const DXGIToESFormatMap dxgiToESMap = BuildDXGIToESFormatMap(); + DXGIToESFormatMap::const_iterator dxgiToESIter = dxgiToESMap.find(dxgiFormat); + info.internalFormat = (dxgiToESIter != dxgiToESMap.end()) ? dxgiToESIter->second : GL_NONE; + + info.componentType = componentType; + + info.mipGenerationFunction = mipFunc; + info.colorReadFunction = readFunc; + + static const D3D11FastCopyMap fastCopyMap = BuildFastCopyMap(); + std::pair<D3D11FastCopyMap::const_iterator, D3D11FastCopyMap::const_iterator> fastCopyIter = fastCopyMap.equal_range(dxgiFormat); + for (D3D11FastCopyMap::const_iterator i = fastCopyIter.first; i != fastCopyIter.second; i++) + { + info.fastCopyFunctions.insert(std::make_pair(std::make_pair(i->second.destFormat, i->second.destType), i->second.copyFunction)); + } + + map->insert(std::make_pair(dxgiFormat, info)); +} + +// A map to determine the pixel size and mipmap generation function of a given DXGI format +static DXGIFormatInfoMap BuildDXGIFormatInfoMap() +{ + DXGIFormatInfoMap map; + + // | DXGI format |S |W |H |Component Type | Mip generation function | Color read function + AddDXGIFormat(&map, DXGI_FORMAT_UNKNOWN, 0, 0, 0, GL_NONE, NULL, NULL); + + AddDXGIFormat(&map, DXGI_FORMAT_A8_UNORM, 8, 1, 1, GL_UNSIGNED_NORMALIZED, GenerateMip<A8>, ReadColor<A8, GLfloat>); + AddDXGIFormat(&map, DXGI_FORMAT_R8_UNORM, 8, 1, 1, GL_UNSIGNED_NORMALIZED, GenerateMip<R8>, ReadColor<R8, GLfloat>); + AddDXGIFormat(&map, DXGI_FORMAT_R8G8_UNORM, 16, 1, 1, GL_UNSIGNED_NORMALIZED, GenerateMip<R8G8>, ReadColor<R8G8, GLfloat>); + AddDXGIFormat(&map, DXGI_FORMAT_R8G8B8A8_UNORM, 32, 1, 1, GL_UNSIGNED_NORMALIZED, GenerateMip<R8G8B8A8>, ReadColor<R8G8B8A8, GLfloat>); + AddDXGIFormat(&map, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, 32, 1, 1, GL_UNSIGNED_NORMALIZED, GenerateMip<R8G8B8A8>, ReadColor<R8G8B8A8, GLfloat>); + AddDXGIFormat(&map, DXGI_FORMAT_B8G8R8A8_UNORM, 32, 1, 1, GL_UNSIGNED_NORMALIZED, GenerateMip<B8G8R8A8>, ReadColor<B8G8R8A8, GLfloat>); + + AddDXGIFormat(&map, DXGI_FORMAT_R8_SNORM, 8, 1, 1, GL_SIGNED_NORMALIZED, GenerateMip<R8S>, ReadColor<R8S, GLfloat>); + AddDXGIFormat(&map, DXGI_FORMAT_R8G8_SNORM, 16, 1, 1, GL_SIGNED_NORMALIZED, GenerateMip<R8G8S>, ReadColor<R8G8S, GLfloat>); + AddDXGIFormat(&map, DXGI_FORMAT_R8G8B8A8_SNORM, 32, 1, 1, GL_SIGNED_NORMALIZED, GenerateMip<R8G8B8A8S>, ReadColor<R8G8B8A8S, GLfloat>); + + AddDXGIFormat(&map, DXGI_FORMAT_R8_UINT, 8, 1, 1, GL_UNSIGNED_INT, GenerateMip<R8>, ReadColor<R8, GLuint>); + AddDXGIFormat(&map, DXGI_FORMAT_R16_UINT, 16, 1, 1, GL_UNSIGNED_INT, GenerateMip<R16>, ReadColor<R16, GLuint>); + AddDXGIFormat(&map, DXGI_FORMAT_R32_UINT, 32, 1, 1, GL_UNSIGNED_INT, GenerateMip<R32>, ReadColor<R32, GLuint>); + AddDXGIFormat(&map, DXGI_FORMAT_R8G8_UINT, 16, 1, 1, GL_UNSIGNED_INT, GenerateMip<R8G8>, ReadColor<R8G8, GLuint>); + AddDXGIFormat(&map, DXGI_FORMAT_R16G16_UINT, 32, 1, 1, GL_UNSIGNED_INT, GenerateMip<R16G16>, ReadColor<R16G16, GLuint>); + AddDXGIFormat(&map, DXGI_FORMAT_R32G32_UINT, 64, 1, 1, GL_UNSIGNED_INT, GenerateMip<R32G32>, ReadColor<R32G32, GLuint>); + AddDXGIFormat(&map, DXGI_FORMAT_R32G32B32_UINT, 96, 1, 1, GL_UNSIGNED_INT, GenerateMip<R32G32B32>, ReadColor<R32G32B32, GLuint>); + AddDXGIFormat(&map, DXGI_FORMAT_R8G8B8A8_UINT, 32, 1, 1, GL_UNSIGNED_INT, GenerateMip<R8G8B8A8>, ReadColor<R8G8B8A8, GLuint>); + AddDXGIFormat(&map, DXGI_FORMAT_R16G16B16A16_UINT, 64, 1, 1, GL_UNSIGNED_INT, GenerateMip<R16G16B16A16>, ReadColor<R16G16B16A16, GLuint>); + AddDXGIFormat(&map, DXGI_FORMAT_R32G32B32A32_UINT, 128, 1, 1, GL_UNSIGNED_INT, GenerateMip<R32G32B32A32>, ReadColor<R32G32B32A32, GLuint>); + + AddDXGIFormat(&map, DXGI_FORMAT_R8_SINT, 8, 1, 1, GL_INT, GenerateMip<R8S>, ReadColor<R8S, GLint>); + AddDXGIFormat(&map, DXGI_FORMAT_R16_SINT, 16, 1, 1, GL_INT, GenerateMip<R16S>, ReadColor<R16S, GLint>); + AddDXGIFormat(&map, DXGI_FORMAT_R32_SINT, 32, 1, 1, GL_INT, GenerateMip<R32S>, ReadColor<R32S, GLint>); + AddDXGIFormat(&map, DXGI_FORMAT_R8G8_SINT, 16, 1, 1, GL_INT, GenerateMip<R8G8S>, ReadColor<R8G8S, GLint>); + AddDXGIFormat(&map, DXGI_FORMAT_R16G16_SINT, 32, 1, 1, GL_INT, GenerateMip<R16G16S>, ReadColor<R16G16S, GLint>); + AddDXGIFormat(&map, DXGI_FORMAT_R32G32_SINT, 64, 1, 1, GL_INT, GenerateMip<R32G32S>, ReadColor<R32G32S, GLint>); + AddDXGIFormat(&map, DXGI_FORMAT_R32G32B32_SINT, 96, 1, 1, GL_INT, GenerateMip<R32G32B32S>, ReadColor<R32G32B32S, GLint>); + AddDXGIFormat(&map, DXGI_FORMAT_R8G8B8A8_SINT, 32, 1, 1, GL_INT, GenerateMip<R8G8B8A8S>, ReadColor<R8G8B8A8S, GLint>); + AddDXGIFormat(&map, DXGI_FORMAT_R16G16B16A16_SINT, 64, 1, 1, GL_INT, GenerateMip<R16G16B16A16S>, ReadColor<R16G16B16A16S, GLint>); + AddDXGIFormat(&map, DXGI_FORMAT_R32G32B32A32_SINT, 128, 1, 1, GL_INT, GenerateMip<R32G32B32A32S>, ReadColor<R32G32B32A32S, GLint>); + + AddDXGIFormat(&map, DXGI_FORMAT_R10G10B10A2_UNORM, 32, 1, 1, GL_UNSIGNED_NORMALIZED, GenerateMip<R10G10B10A2>, ReadColor<R10G10B10A2, GLfloat>); + AddDXGIFormat(&map, DXGI_FORMAT_R10G10B10A2_UINT, 32, 1, 1, GL_UNSIGNED_INT, GenerateMip<R10G10B10A2>, ReadColor<R10G10B10A2, GLuint>); + + AddDXGIFormat(&map, DXGI_FORMAT_R16_FLOAT, 16, 1, 1, GL_FLOAT, GenerateMip<R16F>, ReadColor<R16F, GLfloat>); + AddDXGIFormat(&map, DXGI_FORMAT_R16G16_FLOAT, 32, 1, 1, GL_FLOAT, GenerateMip<R16G16F>, ReadColor<R16G16F, GLfloat>); + AddDXGIFormat(&map, DXGI_FORMAT_R16G16B16A16_FLOAT, 64, 1, 1, GL_FLOAT, GenerateMip<R16G16B16A16F>, ReadColor<R16G16B16A16F, GLfloat>); + + AddDXGIFormat(&map, DXGI_FORMAT_R32_FLOAT, 32, 1, 1, GL_FLOAT, GenerateMip<R32F>, ReadColor<R32F, GLfloat>); + AddDXGIFormat(&map, DXGI_FORMAT_R32G32_FLOAT, 64, 1, 1, GL_FLOAT, GenerateMip<R32G32F>, ReadColor<R32G32F, GLfloat>); + AddDXGIFormat(&map, DXGI_FORMAT_R32G32B32_FLOAT, 96, 1, 1, GL_FLOAT, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_R32G32B32A32_FLOAT, 128, 1, 1, GL_FLOAT, GenerateMip<R32G32B32A32F>, ReadColor<R32G32B32A32F, GLfloat>); + + AddDXGIFormat(&map, DXGI_FORMAT_R9G9B9E5_SHAREDEXP, 32, 1, 1, GL_FLOAT, GenerateMip<R9G9B9E5>, ReadColor<R9G9B9E5, GLfloat>); + AddDXGIFormat(&map, DXGI_FORMAT_R11G11B10_FLOAT, 32, 1, 1, GL_FLOAT, GenerateMip<R11G11B10F>, ReadColor<R11G11B10F, GLfloat>); + + AddDXGIFormat(&map, DXGI_FORMAT_R16_TYPELESS, 16, 1, 1, GL_NONE, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_R16_UNORM, 16, 1, 1, GL_UNSIGNED_NORMALIZED, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_D16_UNORM, 16, 1, 1, GL_UNSIGNED_NORMALIZED, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_R24G8_TYPELESS, 32, 1, 1, GL_NONE, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_R24_UNORM_X8_TYPELESS, 32, 1, 1, GL_NONE, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_D24_UNORM_S8_UINT, 32, 1, 1, GL_UNSIGNED_INT, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_R32G8X24_TYPELESS, 64, 1, 1, GL_NONE, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS, 64, 1, 1, GL_NONE, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_D32_FLOAT_S8X24_UINT, 64, 1, 1, GL_UNSIGNED_INT, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_R32_TYPELESS, 32, 1, 1, GL_NONE, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_D32_FLOAT, 32, 1, 1, GL_FLOAT, NULL, NULL); + + AddDXGIFormat(&map, DXGI_FORMAT_BC1_UNORM, 64, 4, 4, GL_UNSIGNED_NORMALIZED, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_BC2_UNORM, 128, 4, 4, GL_UNSIGNED_NORMALIZED, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_BC3_UNORM, 128, 4, 4, GL_UNSIGNED_NORMALIZED, NULL, NULL); + + // Useful formats for vertex buffers + AddDXGIFormat(&map, DXGI_FORMAT_R16_UNORM, 16, 1, 1, GL_UNSIGNED_NORMALIZED, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_R16_SNORM, 16, 1, 1, GL_SIGNED_NORMALIZED, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_R16G16_UNORM, 32, 1, 1, GL_UNSIGNED_NORMALIZED, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_R16G16_SNORM, 32, 1, 1, GL_SIGNED_NORMALIZED, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_R16G16B16A16_UNORM, 64, 1, 1, GL_UNSIGNED_NORMALIZED, NULL, NULL); + AddDXGIFormat(&map, DXGI_FORMAT_R16G16B16A16_SNORM, 64, 1, 1, GL_SIGNED_NORMALIZED, NULL, NULL); + + return map; +} + +const DXGIFormat &GetDXGIFormatInfo(DXGI_FORMAT format) +{ + static const DXGIFormatInfoMap infoMap = BuildDXGIFormatInfoMap(); + DXGIFormatInfoMap::const_iterator iter = infoMap.find(format); + if (iter != infoMap.end()) + { + return iter->second; + } + else + { + static DXGIFormat defaultInfo; + return defaultInfo; + } +} + +struct SwizzleSizeType +{ + size_t maxComponentSize; + GLenum componentType; + + SwizzleSizeType() + : maxComponentSize(0), componentType(GL_NONE) + { } + + SwizzleSizeType(size_t maxComponentSize, GLenum componentType) + : maxComponentSize(maxComponentSize), componentType(componentType) + { } + + bool operator<(const SwizzleSizeType& other) const + { + return (maxComponentSize != other.maxComponentSize) ? (maxComponentSize < other.maxComponentSize) + : (componentType < other.componentType); + } +}; + +struct SwizzleFormatInfo +{ + DXGI_FORMAT mTexFormat; + DXGI_FORMAT mSRVFormat; + DXGI_FORMAT mRTVFormat; + + SwizzleFormatInfo() + : mTexFormat(DXGI_FORMAT_UNKNOWN), mSRVFormat(DXGI_FORMAT_UNKNOWN), mRTVFormat(DXGI_FORMAT_UNKNOWN) + { } + + SwizzleFormatInfo(DXGI_FORMAT texFormat, DXGI_FORMAT srvFormat, DXGI_FORMAT rtvFormat) + : mTexFormat(texFormat), mSRVFormat(srvFormat), mRTVFormat(rtvFormat) + { } +}; + +typedef std::map<SwizzleSizeType, SwizzleFormatInfo> SwizzleInfoMap; +typedef std::pair<SwizzleSizeType, SwizzleFormatInfo> SwizzleInfoPair; + +static SwizzleInfoMap BuildSwizzleInfoMap() +{ + SwizzleInfoMap map; + + map.insert(SwizzleInfoPair(SwizzleSizeType( 8, GL_UNSIGNED_NORMALIZED), SwizzleFormatInfo(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM ))); + map.insert(SwizzleInfoPair(SwizzleSizeType(16, GL_UNSIGNED_NORMALIZED), SwizzleFormatInfo(DXGI_FORMAT_R16G16B16A16_UNORM, DXGI_FORMAT_R16G16B16A16_UNORM, DXGI_FORMAT_R16G16B16A16_UNORM))); + map.insert(SwizzleInfoPair(SwizzleSizeType(24, GL_UNSIGNED_NORMALIZED), SwizzleFormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT))); + map.insert(SwizzleInfoPair(SwizzleSizeType(32, GL_UNSIGNED_NORMALIZED), SwizzleFormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT))); + + map.insert(SwizzleInfoPair(SwizzleSizeType( 8, GL_SIGNED_NORMALIZED ), SwizzleFormatInfo(DXGI_FORMAT_R8G8B8A8_SNORM, DXGI_FORMAT_R8G8B8A8_SNORM, DXGI_FORMAT_R8G8B8A8_SNORM ))); + + map.insert(SwizzleInfoPair(SwizzleSizeType(16, GL_FLOAT ), SwizzleFormatInfo(DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT))); + map.insert(SwizzleInfoPair(SwizzleSizeType(32, GL_FLOAT ), SwizzleFormatInfo(DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT))); + + map.insert(SwizzleInfoPair(SwizzleSizeType( 8, GL_UNSIGNED_INT ), SwizzleFormatInfo(DXGI_FORMAT_R8G8B8A8_UINT, DXGI_FORMAT_R8G8B8A8_UINT, DXGI_FORMAT_R8G8B8A8_UINT ))); + map.insert(SwizzleInfoPair(SwizzleSizeType(16, GL_UNSIGNED_INT ), SwizzleFormatInfo(DXGI_FORMAT_R16G16B16A16_UINT, DXGI_FORMAT_R16G16B16A16_UINT, DXGI_FORMAT_R16G16B16A16_UINT ))); + map.insert(SwizzleInfoPair(SwizzleSizeType(32, GL_UNSIGNED_INT ), SwizzleFormatInfo(DXGI_FORMAT_R32G32B32A32_UINT, DXGI_FORMAT_R32G32B32A32_UINT, DXGI_FORMAT_R32G32B32A32_UINT ))); + + map.insert(SwizzleInfoPair(SwizzleSizeType( 8, GL_INT ), SwizzleFormatInfo(DXGI_FORMAT_R8G8B8A8_SINT, DXGI_FORMAT_R8G8B8A8_SINT, DXGI_FORMAT_R8G8B8A8_SINT ))); + map.insert(SwizzleInfoPair(SwizzleSizeType(16, GL_INT ), SwizzleFormatInfo(DXGI_FORMAT_R16G16B16A16_SINT, DXGI_FORMAT_R16G16B16A16_SINT, DXGI_FORMAT_R16G16B16A16_SINT ))); + map.insert(SwizzleInfoPair(SwizzleSizeType(32, GL_INT ), SwizzleFormatInfo(DXGI_FORMAT_R32G32B32A32_SINT, DXGI_FORMAT_R32G32B32A32_SINT, DXGI_FORMAT_R32G32B32A32_SINT ))); + + return map; +} + +typedef std::pair<GLint, InitializeTextureDataFunction> InternalFormatInitializerPair; +typedef std::map<GLint, InitializeTextureDataFunction> InternalFormatInitializerMap; + +static InternalFormatInitializerMap BuildInternalFormatInitializerMap() +{ + InternalFormatInitializerMap map; + + map.insert(InternalFormatInitializerPair(GL_RGB8, Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0xFF> )); + map.insert(InternalFormatInitializerPair(GL_RGB565, Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0xFF> )); + map.insert(InternalFormatInitializerPair(GL_SRGB8, Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0xFF> )); + map.insert(InternalFormatInitializerPair(GL_RGB16F, Initialize4ComponentData<GLhalf, 0x0000, 0x0000, 0x0000, gl::Float16One>)); + map.insert(InternalFormatInitializerPair(GL_RGB32F, Initialize4ComponentData<GLfloat, 0x00000000, 0x00000000, 0x00000000, gl::Float32One>)); + map.insert(InternalFormatInitializerPair(GL_RGB8UI, Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0x01> )); + map.insert(InternalFormatInitializerPair(GL_RGB8I, Initialize4ComponentData<GLbyte, 0x00, 0x00, 0x00, 0x01> )); + map.insert(InternalFormatInitializerPair(GL_RGB16UI, Initialize4ComponentData<GLushort, 0x0000, 0x0000, 0x0000, 0x0001> )); + map.insert(InternalFormatInitializerPair(GL_RGB16I, Initialize4ComponentData<GLshort, 0x0000, 0x0000, 0x0000, 0x0001> )); + map.insert(InternalFormatInitializerPair(GL_RGB32UI, Initialize4ComponentData<GLuint, 0x00000000, 0x00000000, 0x00000000, 0x00000001> )); + map.insert(InternalFormatInitializerPair(GL_RGB32I, Initialize4ComponentData<GLint, 0x00000000, 0x00000000, 0x00000000, 0x00000001> )); + + return map; +} + +// ES3 image loading functions vary based on the internal format and data type given, +// this map type determines the loading function from the internal format and type supplied +// to glTex*Image*D and the destination DXGI_FORMAT. Source formats and types are taken from +// Tables 3.2 and 3.3 of the ES 3 spec. +typedef std::pair<GLenum, LoadImageFunction> TypeLoadFunctionPair; +typedef std::map<GLenum, std::vector<TypeLoadFunctionPair> > D3D11LoadFunctionMap; + +static void UnimplementedLoadFunction(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) +{ + UNIMPLEMENTED(); +} + +static void UnreachableLoadFunction(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(); +} + +// A helper function to insert data into the D3D11LoadFunctionMap with fewer characters. +static inline void InsertLoadFunction(D3D11LoadFunctionMap *map, GLenum internalFormat, GLenum type, + LoadImageFunction loadFunc) +{ + (*map)[internalFormat].push_back(TypeLoadFunctionPair(type, loadFunc)); +} + +D3D11LoadFunctionMap BuildD3D11_FL9_3_LoadFunctionMap() +{ + D3D11LoadFunctionMap map; + + // From GL_EXT_texture_storage. Also used by GL_ALPHA8 + // On feature level 9_3, A8_UNORM doesn't support mipmaps, so we must use RGBA8 instead + InsertLoadFunction(&map, GL_ALPHA8_EXT, GL_UNSIGNED_BYTE, LoadA8ToRGBA8); + + return map; +} + +D3D11LoadFunctionMap BuildD3D11_FL10_0Plus_LoadFunctionMap() +{ + D3D11LoadFunctionMap map; + + // From GL_EXT_texture_storage. Also used by GL_ALPHA8 + InsertLoadFunction(&map, GL_ALPHA8_EXT, GL_UNSIGNED_BYTE, LoadToNative<GLubyte, 1>); + + return map; +} + +D3D11LoadFunctionMap BuildBaseD3D11LoadFunctionMap() +{ + D3D11LoadFunctionMap map; + + // | Internal format | Type | Load function | + InsertLoadFunction(&map, GL_RGBA8, GL_UNSIGNED_BYTE, LoadToNative<GLubyte, 4> ); + InsertLoadFunction(&map, GL_RGB5_A1, GL_UNSIGNED_BYTE, LoadToNative<GLubyte, 4> ); + InsertLoadFunction(&map, GL_RGBA4, GL_UNSIGNED_BYTE, LoadToNative<GLubyte, 4> ); + InsertLoadFunction(&map, GL_SRGB8_ALPHA8, GL_UNSIGNED_BYTE, LoadToNative<GLubyte, 4> ); + InsertLoadFunction(&map, GL_RGBA8_SNORM, GL_BYTE, LoadToNative<GLbyte, 4> ); + InsertLoadFunction(&map, GL_RGBA4, GL_UNSIGNED_SHORT_4_4_4_4, LoadRGBA4ToRGBA8 ); + InsertLoadFunction(&map, GL_RGB10_A2, GL_UNSIGNED_INT_2_10_10_10_REV, LoadToNative<GLuint, 1> ); + InsertLoadFunction(&map, GL_RGB5_A1, GL_UNSIGNED_SHORT_5_5_5_1, LoadRGB5A1ToRGBA8 ); + InsertLoadFunction(&map, GL_RGB5_A1, GL_UNSIGNED_INT_2_10_10_10_REV, LoadRGB10A2ToRGBA8 ); + InsertLoadFunction(&map, GL_RGBA16F, GL_HALF_FLOAT, LoadToNative<GLhalf, 4> ); + InsertLoadFunction(&map, GL_RGBA16F, GL_HALF_FLOAT_OES, LoadToNative<GLhalf, 4> ); + InsertLoadFunction(&map, GL_RGBA32F, GL_FLOAT, LoadToNative<GLfloat, 4> ); + InsertLoadFunction(&map, GL_RGBA16F, GL_FLOAT, Load32FTo16F<4> ); + InsertLoadFunction(&map, GL_RGBA8UI, GL_UNSIGNED_BYTE, LoadToNative<GLubyte, 4> ); + InsertLoadFunction(&map, GL_RGBA8I, GL_BYTE, LoadToNative<GLbyte, 4> ); + InsertLoadFunction(&map, GL_RGBA16UI, GL_UNSIGNED_SHORT, LoadToNative<GLushort, 4> ); + InsertLoadFunction(&map, GL_RGBA16I, GL_SHORT, LoadToNative<GLshort, 4> ); + InsertLoadFunction(&map, GL_RGBA32UI, GL_UNSIGNED_INT, LoadToNative<GLuint, 4> ); + InsertLoadFunction(&map, GL_RGBA32I, GL_INT, LoadToNative<GLint, 4> ); + InsertLoadFunction(&map, GL_RGB10_A2UI, GL_UNSIGNED_INT_2_10_10_10_REV, LoadToNative<GLuint, 1> ); + InsertLoadFunction(&map, GL_RGB8, GL_UNSIGNED_BYTE, LoadToNative3To4<GLubyte, 0xFF> ); + InsertLoadFunction(&map, GL_RGB565, GL_UNSIGNED_BYTE, LoadToNative3To4<GLubyte, 0xFF> ); + InsertLoadFunction(&map, GL_SRGB8, GL_UNSIGNED_BYTE, LoadToNative3To4<GLubyte, 0xFF> ); + InsertLoadFunction(&map, GL_RGB8_SNORM, GL_BYTE, LoadToNative3To4<GLbyte, 0x7F> ); + InsertLoadFunction(&map, GL_RGB565, GL_UNSIGNED_SHORT_5_6_5, LoadR5G6B5ToRGBA8 ); + InsertLoadFunction(&map, GL_R11F_G11F_B10F, GL_UNSIGNED_INT_10F_11F_11F_REV, LoadToNative<GLuint, 1> ); + InsertLoadFunction(&map, GL_RGB9_E5, GL_UNSIGNED_INT_5_9_9_9_REV, LoadToNative<GLuint, 1> ); + InsertLoadFunction(&map, GL_RGB16F, GL_HALF_FLOAT, LoadToNative3To4<GLhalf, gl::Float16One>); + InsertLoadFunction(&map, GL_RGB16F, GL_HALF_FLOAT_OES, LoadToNative3To4<GLhalf, gl::Float16One>); + InsertLoadFunction(&map, GL_R11F_G11F_B10F, GL_HALF_FLOAT, LoadRGB16FToRG11B10F ); + InsertLoadFunction(&map, GL_R11F_G11F_B10F, GL_HALF_FLOAT_OES, LoadRGB16FToRG11B10F ); + InsertLoadFunction(&map, GL_RGB9_E5, GL_HALF_FLOAT, LoadRGB16FToRGB9E5 ); + InsertLoadFunction(&map, GL_RGB9_E5, GL_HALF_FLOAT_OES, LoadRGB16FToRGB9E5 ); + InsertLoadFunction(&map, GL_RGB32F, GL_FLOAT, LoadToNative3To4<GLfloat, gl::Float32One>); + InsertLoadFunction(&map, GL_RGB16F, GL_FLOAT, LoadRGB32FToRGBA16F ); + InsertLoadFunction(&map, GL_R11F_G11F_B10F, GL_FLOAT, LoadRGB32FToRG11B10F ); + InsertLoadFunction(&map, GL_RGB9_E5, GL_FLOAT, LoadRGB32FToRGB9E5 ); + InsertLoadFunction(&map, GL_RGB8UI, GL_UNSIGNED_BYTE, LoadToNative3To4<GLubyte, 0x01> ); + InsertLoadFunction(&map, GL_RGB8I, GL_BYTE, LoadToNative3To4<GLbyte, 0x01> ); + InsertLoadFunction(&map, GL_RGB16UI, GL_UNSIGNED_SHORT, LoadToNative3To4<GLushort, 0x0001> ); + InsertLoadFunction(&map, GL_RGB16I, GL_SHORT, LoadToNative3To4<GLshort, 0x0001> ); + InsertLoadFunction(&map, GL_RGB32UI, GL_UNSIGNED_INT, LoadToNative3To4<GLuint, 0x00000001> ); + InsertLoadFunction(&map, GL_RGB32I, GL_INT, LoadToNative3To4<GLint, 0x00000001> ); + InsertLoadFunction(&map, GL_RG8, GL_UNSIGNED_BYTE, LoadToNative<GLubyte, 2> ); + InsertLoadFunction(&map, GL_RG8_SNORM, GL_BYTE, LoadToNative<GLbyte, 2> ); + InsertLoadFunction(&map, GL_RG16F, GL_HALF_FLOAT, LoadToNative<GLhalf, 2> ); + InsertLoadFunction(&map, GL_RG16F, GL_HALF_FLOAT_OES, LoadToNative<GLhalf, 2> ); + InsertLoadFunction(&map, GL_RG32F, GL_FLOAT, LoadToNative<GLfloat, 2> ); + InsertLoadFunction(&map, GL_RG16F, GL_FLOAT, Load32FTo16F<2> ); + InsertLoadFunction(&map, GL_RG8UI, GL_UNSIGNED_BYTE, LoadToNative<GLubyte, 2> ); + InsertLoadFunction(&map, GL_RG8I, GL_BYTE, LoadToNative<GLbyte, 2> ); + InsertLoadFunction(&map, GL_RG16UI, GL_UNSIGNED_SHORT, LoadToNative<GLushort, 2> ); + InsertLoadFunction(&map, GL_RG16I, GL_SHORT, LoadToNative<GLshort, 2> ); + InsertLoadFunction(&map, GL_RG32UI, GL_UNSIGNED_INT, LoadToNative<GLuint, 2> ); + InsertLoadFunction(&map, GL_RG32I, GL_INT, LoadToNative<GLint, 2> ); + InsertLoadFunction(&map, GL_R8, GL_UNSIGNED_BYTE, LoadToNative<GLubyte, 1> ); + InsertLoadFunction(&map, GL_R8_SNORM, GL_BYTE, LoadToNative<GLbyte, 1> ); + InsertLoadFunction(&map, GL_R16F, GL_HALF_FLOAT, LoadToNative<GLhalf, 1> ); + InsertLoadFunction(&map, GL_R16F, GL_HALF_FLOAT_OES, LoadToNative<GLhalf, 1> ); + InsertLoadFunction(&map, GL_R32F, GL_FLOAT, LoadToNative<GLfloat, 1> ); + InsertLoadFunction(&map, GL_R16F, GL_FLOAT, Load32FTo16F<1> ); + InsertLoadFunction(&map, GL_R8UI, GL_UNSIGNED_BYTE, LoadToNative<GLubyte, 1> ); + InsertLoadFunction(&map, GL_R8I, GL_BYTE, LoadToNative<GLbyte, 1> ); + InsertLoadFunction(&map, GL_R16UI, GL_UNSIGNED_SHORT, LoadToNative<GLushort, 1> ); + InsertLoadFunction(&map, GL_R16I, GL_SHORT, LoadToNative<GLshort, 1> ); + InsertLoadFunction(&map, GL_R32UI, GL_UNSIGNED_INT, LoadToNative<GLuint, 1> ); + InsertLoadFunction(&map, GL_R32I, GL_INT, LoadToNative<GLint, 1> ); + InsertLoadFunction(&map, GL_DEPTH_COMPONENT16, GL_UNSIGNED_SHORT, LoadToNative<GLushort, 1> ); + InsertLoadFunction(&map, GL_DEPTH_COMPONENT24, GL_UNSIGNED_INT, LoadR32ToR24G8 ); + InsertLoadFunction(&map, GL_DEPTH_COMPONENT16, GL_UNSIGNED_INT, LoadR32ToR16 ); + InsertLoadFunction(&map, GL_DEPTH_COMPONENT32F, GL_FLOAT, LoadToNative<GLfloat, 1> ); + InsertLoadFunction(&map, GL_DEPTH24_STENCIL8, GL_UNSIGNED_INT_24_8, LoadR32ToR24G8 ); + InsertLoadFunction(&map, GL_DEPTH32F_STENCIL8, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, LoadToNative<GLuint, 2> ); + + // Unsized formats + // Load functions are unreachable because they are converted to sized internal formats based on + // the format and type before loading takes place. + InsertLoadFunction(&map, GL_RGBA, GL_UNSIGNED_BYTE, UnreachableLoadFunction ); + InsertLoadFunction(&map, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, UnreachableLoadFunction ); + InsertLoadFunction(&map, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, UnreachableLoadFunction ); + InsertLoadFunction(&map, GL_RGB, GL_UNSIGNED_BYTE, UnreachableLoadFunction ); + InsertLoadFunction(&map, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, UnreachableLoadFunction ); + InsertLoadFunction(&map, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, UnreachableLoadFunction ); + InsertLoadFunction(&map, GL_LUMINANCE, GL_UNSIGNED_BYTE, UnreachableLoadFunction ); + InsertLoadFunction(&map, GL_ALPHA, GL_UNSIGNED_BYTE, UnreachableLoadFunction ); + + // From GL_OES_texture_float + InsertLoadFunction(&map, GL_LUMINANCE_ALPHA, GL_FLOAT, LoadLA32FToRGBA32F ); + InsertLoadFunction(&map, GL_LUMINANCE, GL_FLOAT, LoadL32FToRGBA32F ); + InsertLoadFunction(&map, GL_ALPHA, GL_FLOAT, LoadA32FToRGBA32F ); + + // From GL_OES_texture_half_float + InsertLoadFunction(&map, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT, LoadLA16FToRGBA16F ); + InsertLoadFunction(&map, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES, LoadLA16FToRGBA16F ); + InsertLoadFunction(&map, GL_LUMINANCE, GL_HALF_FLOAT, LoadL16FToRGBA16F ); + InsertLoadFunction(&map, GL_LUMINANCE, GL_HALF_FLOAT_OES, LoadL16FToRGBA16F ); + InsertLoadFunction(&map, GL_ALPHA, GL_HALF_FLOAT, LoadA16FToRGBA16F ); + InsertLoadFunction(&map, GL_ALPHA, GL_HALF_FLOAT_OES, LoadA16FToRGBA16F ); + + // From GL_EXT_texture_storage + // GL_ALPHA8_EXT GL_UNSIGNED_BYTE is in the feature-level-specific load function maps, due to differences between 9_3 and 10_0+ + InsertLoadFunction(&map, GL_LUMINANCE8_EXT, GL_UNSIGNED_BYTE, LoadL8ToRGBA8 ); + InsertLoadFunction(&map, GL_LUMINANCE8_ALPHA8_EXT, GL_UNSIGNED_BYTE, LoadLA8ToRGBA8 ); + InsertLoadFunction(&map, GL_ALPHA32F_EXT, GL_FLOAT, LoadA32FToRGBA32F ); + InsertLoadFunction(&map, GL_LUMINANCE32F_EXT, GL_FLOAT, LoadL32FToRGBA32F ); + InsertLoadFunction(&map, GL_LUMINANCE_ALPHA32F_EXT, GL_FLOAT, LoadLA32FToRGBA32F ); + InsertLoadFunction(&map, GL_ALPHA16F_EXT, GL_HALF_FLOAT, LoadA16FToRGBA16F ); + InsertLoadFunction(&map, GL_ALPHA16F_EXT, GL_HALF_FLOAT_OES, LoadA16FToRGBA16F ); + InsertLoadFunction(&map, GL_LUMINANCE16F_EXT, GL_HALF_FLOAT, LoadL16FToRGBA16F ); + InsertLoadFunction(&map, GL_LUMINANCE16F_EXT, GL_HALF_FLOAT_OES, LoadL16FToRGBA16F ); + InsertLoadFunction(&map, GL_LUMINANCE_ALPHA16F_EXT, GL_HALF_FLOAT, LoadLA16FToRGBA16F ); + InsertLoadFunction(&map, GL_LUMINANCE_ALPHA16F_EXT, GL_HALF_FLOAT_OES, LoadLA16FToRGBA16F ); + + // From GL_ANGLE_depth_texture + InsertLoadFunction(&map, GL_DEPTH_COMPONENT32_OES, GL_UNSIGNED_INT, LoadR32ToR24G8 ); + + // From GL_EXT_texture_format_BGRA8888 + InsertLoadFunction(&map, GL_BGRA8_EXT, GL_UNSIGNED_BYTE, LoadToNative<GLubyte, 4> ); + InsertLoadFunction(&map, GL_BGRA4_ANGLEX, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, LoadRGBA4ToRGBA8 ); + InsertLoadFunction(&map, GL_BGRA4_ANGLEX, GL_UNSIGNED_BYTE, LoadToNative<GLubyte, 4> ); + InsertLoadFunction(&map, GL_BGR5_A1_ANGLEX, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, LoadRGB5A1ToRGBA8 ); + InsertLoadFunction(&map, GL_BGR5_A1_ANGLEX, GL_UNSIGNED_BYTE, LoadToNative<GLubyte, 4> ); + + // Compressed formats + // From ES 3.0.1 spec, table 3.16 + // | Internal format | Type | Load function | + InsertLoadFunction(&map, GL_COMPRESSED_R11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); + InsertLoadFunction(&map, GL_COMPRESSED_R11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); + InsertLoadFunction(&map, GL_COMPRESSED_SIGNED_R11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); + InsertLoadFunction(&map, GL_COMPRESSED_RG11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); + InsertLoadFunction(&map, GL_COMPRESSED_SIGNED_RG11_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); + InsertLoadFunction(&map, GL_COMPRESSED_RGB8_ETC2, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); + InsertLoadFunction(&map, GL_COMPRESSED_SRGB8_ETC2, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); + InsertLoadFunction(&map, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); + InsertLoadFunction(&map, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); + InsertLoadFunction(&map, GL_COMPRESSED_RGBA8_ETC2_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); + InsertLoadFunction(&map, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, GL_UNSIGNED_BYTE, UnimplementedLoadFunction ); + + // From GL_EXT_texture_compression_dxt1 + InsertLoadFunction(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, LoadCompressedToNative<4, 4, 8>); + InsertLoadFunction(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, LoadCompressedToNative<4, 4, 8>); + + // From GL_ANGLE_texture_compression_dxt3 + InsertLoadFunction(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE, LoadCompressedToNative<4, 4, 16>); + + // From GL_ANGLE_texture_compression_dxt5 + InsertLoadFunction(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE, LoadCompressedToNative<4, 4, 16>); + + return map; +} + +// For sized GL internal formats, there is only one corresponding D3D11 format. This map type allows +// querying for the DXGI texture formats to use for textures, SRVs, RTVs and DSVs given a GL internal +// format. +typedef std::map<GLenum, TextureFormat> D3D11ES3FormatMap; + +TextureFormat::TextureFormat() + : texFormat(DXGI_FORMAT_UNKNOWN), + srvFormat(DXGI_FORMAT_UNKNOWN), + rtvFormat(DXGI_FORMAT_UNKNOWN), + dsvFormat(DXGI_FORMAT_UNKNOWN), + renderFormat(DXGI_FORMAT_UNKNOWN), + swizzleTexFormat(DXGI_FORMAT_UNKNOWN), + swizzleSRVFormat(DXGI_FORMAT_UNKNOWN), + swizzleRTVFormat(DXGI_FORMAT_UNKNOWN), + dataInitializerFunction(NULL), + loadFunctions() +{ +} + +static inline void InsertD3D11FormatInfoBase(D3D11ES3FormatMap *formatMap, const D3D11LoadFunctionMap &flLoadFunctions, GLenum internalFormat, DXGI_FORMAT texFormat, + DXGI_FORMAT srvFormat, DXGI_FORMAT rtvFormat, DXGI_FORMAT dsvFormat) +{ + TextureFormat info; + info.texFormat = texFormat; + info.srvFormat = srvFormat; + info.rtvFormat = rtvFormat; + info.dsvFormat = dsvFormat; + + // Given a GL internal format, the renderFormat is the DSV format if it is depth- or stencil-renderable, + // the RTV format if it is color-renderable, and the (nonrenderable) texture format otherwise. + if (dsvFormat != DXGI_FORMAT_UNKNOWN) + { + info.renderFormat = dsvFormat; + } + else if (rtvFormat != DXGI_FORMAT_UNKNOWN) + { + info.renderFormat = rtvFormat; + } + else if (texFormat != DXGI_FORMAT_UNKNOWN) + { + info.renderFormat = texFormat; + } + else + { + info.renderFormat = DXGI_FORMAT_UNKNOWN; + } + + // Compute the swizzle formats + const gl::InternalFormat &formatInfo = gl::GetInternalFormatInfo(internalFormat); + if (internalFormat != GL_NONE && formatInfo.pixelBytes > 0) + { + if (formatInfo.componentCount != 4 || texFormat == DXGI_FORMAT_UNKNOWN || + srvFormat == DXGI_FORMAT_UNKNOWN || rtvFormat == DXGI_FORMAT_UNKNOWN) + { + // Get the maximum sized component + unsigned int maxBits = 1; + if (formatInfo.compressed) + { + unsigned int compressedBitsPerBlock = formatInfo.pixelBytes * 8; + unsigned int blockSize = formatInfo.compressedBlockWidth * formatInfo.compressedBlockHeight; + maxBits = std::max(compressedBitsPerBlock / blockSize, maxBits); + } + else + { + maxBits = std::max(maxBits, formatInfo.alphaBits); + maxBits = std::max(maxBits, formatInfo.redBits); + maxBits = std::max(maxBits, formatInfo.greenBits); + maxBits = std::max(maxBits, formatInfo.blueBits); + maxBits = std::max(maxBits, formatInfo.luminanceBits); + maxBits = std::max(maxBits, formatInfo.depthBits); + } + + maxBits = roundUp(maxBits, 8U); + + static const SwizzleInfoMap swizzleMap = BuildSwizzleInfoMap(); + SwizzleInfoMap::const_iterator swizzleIter = swizzleMap.find(SwizzleSizeType(maxBits, formatInfo.componentType)); + ASSERT(swizzleIter != swizzleMap.end()); + + const SwizzleFormatInfo &swizzleInfo = swizzleIter->second; + info.swizzleTexFormat = swizzleInfo.mTexFormat; + info.swizzleSRVFormat = swizzleInfo.mSRVFormat; + info.swizzleRTVFormat = swizzleInfo.mRTVFormat; + } + else + { + // The original texture format is suitable for swizzle operations + info.swizzleTexFormat = texFormat; + info.swizzleSRVFormat = srvFormat; + info.swizzleRTVFormat = rtvFormat; + } + } + else + { + // Not possible to swizzle with this texture format since it is either unsized or GL_NONE + info.swizzleTexFormat = DXGI_FORMAT_UNKNOWN; + info.swizzleSRVFormat = DXGI_FORMAT_UNKNOWN; + info.swizzleRTVFormat = DXGI_FORMAT_UNKNOWN; + } + + // Check if there is an initialization function for this texture format + static const InternalFormatInitializerMap initializerMap = BuildInternalFormatInitializerMap(); + InternalFormatInitializerMap::const_iterator initializerIter = initializerMap.find(internalFormat); + info.dataInitializerFunction = (initializerIter != initializerMap.end()) ? initializerIter->second : NULL; + + // Gather all the load functions for this internal format from the base list + static const D3D11LoadFunctionMap loadFunctions = BuildBaseD3D11LoadFunctionMap(); + D3D11LoadFunctionMap::const_iterator loadFunctionIter = loadFunctions.find(internalFormat); + if (loadFunctionIter != loadFunctions.end()) + { + const std::vector<TypeLoadFunctionPair> &loadFunctionVector = loadFunctionIter->second; + for (size_t i = 0; i < loadFunctionVector.size(); i++) + { + GLenum type = loadFunctionVector[i].first; + LoadImageFunction function = loadFunctionVector[i].second; + info.loadFunctions.insert(std::make_pair(type, function)); + } + } + + // Gather load functions for this internal format from the feature-level-specific list + D3D11LoadFunctionMap::const_iterator flLoadFunctionIter = flLoadFunctions.find(internalFormat); + if (flLoadFunctionIter != flLoadFunctions.end()) + { + const std::vector<TypeLoadFunctionPair> &flLoadFunctionVector = flLoadFunctionIter->second; + for (size_t i = 0; i < flLoadFunctionVector.size(); i++) + { + GLenum type = flLoadFunctionVector[i].first; + LoadImageFunction function = flLoadFunctionVector[i].second; + info.loadFunctions.insert(std::make_pair(type, function)); + } + } + + formatMap->insert(std::make_pair(internalFormat, info)); +} + +static inline void InsertD3D11_FL9_3_FormatInfo(D3D11ES3FormatMap *map, GLenum internalFormat, DXGI_FORMAT texFormat, + DXGI_FORMAT srvFormat, DXGI_FORMAT rtvFormat, DXGI_FORMAT dsvFormat) +{ + static const D3D11LoadFunctionMap flLoadFunctions = BuildD3D11_FL9_3_LoadFunctionMap(); + InsertD3D11FormatInfoBase(map, flLoadFunctions, internalFormat, texFormat, srvFormat, rtvFormat, dsvFormat); +} + +static inline void InsertD3D11FormatInfo(D3D11ES3FormatMap *map, GLenum internalFormat, DXGI_FORMAT texFormat, + DXGI_FORMAT srvFormat, DXGI_FORMAT rtvFormat, DXGI_FORMAT dsvFormat) +{ + static const D3D11LoadFunctionMap flLoadFunctions = BuildD3D11_FL10_0Plus_LoadFunctionMap(); + InsertD3D11FormatInfoBase(map, flLoadFunctions, internalFormat, texFormat, srvFormat, rtvFormat, dsvFormat); +} + +static D3D11ES3FormatMap BuildD3D11_FL9_3FormatOverrideMap() +{ + // D3D11 Feature Level 9_3 doesn't support as many texture formats as Feature Level 10_0+. + // In particular, it doesn't support: + // - mipmaps on DXGI_FORMAT_A8_NORM + // - *_TYPELESS formats + // - DXGI_FORMAT_D32_FLOAT_S8X24_UINT or DXGI_FORMAT_D32_FLOAT + + D3D11ES3FormatMap map; + + // | GL internal format | D3D11 texture format | D3D11 SRV format | D3D11 RTV format | D3D11 DSV format + InsertD3D11_FL9_3_FormatInfo(&map, GL_ALPHA, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN); + InsertD3D11_FL9_3_FormatInfo(&map, GL_ALPHA8_EXT, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN); + InsertD3D11_FL9_3_FormatInfo(&map, GL_DEPTH_COMPONENT16, DXGI_FORMAT_D16_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D16_UNORM); + InsertD3D11_FL9_3_FormatInfo(&map, GL_DEPTH_COMPONENT24, DXGI_FORMAT_D24_UNORM_S8_UINT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT); + InsertD3D11_FL9_3_FormatInfo(&map, GL_DEPTH_COMPONENT32F, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11_FL9_3_FormatInfo(&map, GL_DEPTH24_STENCIL8, DXGI_FORMAT_D24_UNORM_S8_UINT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT); + InsertD3D11_FL9_3_FormatInfo(&map, GL_DEPTH32F_STENCIL8, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11_FL9_3_FormatInfo(&map, GL_STENCIL_INDEX8, DXGI_FORMAT_D24_UNORM_S8_UINT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT); + + return map; +} + +static D3D11ES3FormatMap BuildD3D11FormatMap() +{ + D3D11ES3FormatMap map; + + // | GL internal format | D3D11 texture format | D3D11 SRV format | D3D11 RTV format | D3D11 DSV format | + InsertD3D11FormatInfo(&map, GL_NONE, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_R8, DXGI_FORMAT_R8_UNORM, DXGI_FORMAT_R8_UNORM, DXGI_FORMAT_R8_UNORM, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_R8_SNORM, DXGI_FORMAT_R8_SNORM, DXGI_FORMAT_R8_SNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RG8, DXGI_FORMAT_R8G8_UNORM, DXGI_FORMAT_R8G8_UNORM, DXGI_FORMAT_R8G8_UNORM, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RG8_SNORM, DXGI_FORMAT_R8G8_SNORM, DXGI_FORMAT_R8G8_SNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGB8, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGB8_SNORM, DXGI_FORMAT_R8G8B8A8_SNORM, DXGI_FORMAT_R8G8B8A8_SNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGB565, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGBA4, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGB5_A1, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGBA8, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGBA8_SNORM, DXGI_FORMAT_R8G8B8A8_SNORM, DXGI_FORMAT_R8G8B8A8_SNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGB10_A2, DXGI_FORMAT_R10G10B10A2_UNORM, DXGI_FORMAT_R10G10B10A2_UNORM, DXGI_FORMAT_R10G10B10A2_UNORM, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGB10_A2UI, DXGI_FORMAT_R10G10B10A2_UINT, DXGI_FORMAT_R10G10B10A2_UINT, DXGI_FORMAT_R10G10B10A2_UINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_SRGB8, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_SRGB8_ALPHA8, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_R16F, DXGI_FORMAT_R16_FLOAT, DXGI_FORMAT_R16_FLOAT, DXGI_FORMAT_R16_FLOAT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RG16F, DXGI_FORMAT_R16G16_FLOAT, DXGI_FORMAT_R16G16_FLOAT, DXGI_FORMAT_R16G16_FLOAT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGB16F, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGBA16F, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_R32F, DXGI_FORMAT_R32_FLOAT, DXGI_FORMAT_R32_FLOAT, DXGI_FORMAT_R32_FLOAT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RG32F, DXGI_FORMAT_R32G32_FLOAT, DXGI_FORMAT_R32G32_FLOAT, DXGI_FORMAT_R32G32_FLOAT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGB32F, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGBA32F, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_R11F_G11F_B10F, DXGI_FORMAT_R11G11B10_FLOAT, DXGI_FORMAT_R11G11B10_FLOAT, DXGI_FORMAT_R11G11B10_FLOAT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGB9_E5, DXGI_FORMAT_R9G9B9E5_SHAREDEXP, DXGI_FORMAT_R9G9B9E5_SHAREDEXP, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_R8I, DXGI_FORMAT_R8_SINT, DXGI_FORMAT_R8_SINT, DXGI_FORMAT_R8_SINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_R8UI, DXGI_FORMAT_R8_UINT, DXGI_FORMAT_R8_UINT, DXGI_FORMAT_R8_UINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_R16I, DXGI_FORMAT_R16_SINT, DXGI_FORMAT_R16_SINT, DXGI_FORMAT_R16_SINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_R16UI, DXGI_FORMAT_R16_UINT, DXGI_FORMAT_R16_UINT, DXGI_FORMAT_R16_UINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_R32I, DXGI_FORMAT_R32_SINT, DXGI_FORMAT_R32_SINT, DXGI_FORMAT_R32_SINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_R32UI, DXGI_FORMAT_R32_UINT, DXGI_FORMAT_R32_UINT, DXGI_FORMAT_R32_UINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RG8I, DXGI_FORMAT_R8G8_SINT, DXGI_FORMAT_R8G8_SINT, DXGI_FORMAT_R8G8_SINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RG8UI, DXGI_FORMAT_R8G8_UINT, DXGI_FORMAT_R8G8_UINT, DXGI_FORMAT_R8G8_UINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RG16I, DXGI_FORMAT_R16G16_SINT, DXGI_FORMAT_R16G16_SINT, DXGI_FORMAT_R16G16_SINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RG16UI, DXGI_FORMAT_R16G16_UINT, DXGI_FORMAT_R16G16_UINT, DXGI_FORMAT_R16G16_UINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RG32I, DXGI_FORMAT_R32G32_SINT, DXGI_FORMAT_R32G32_SINT, DXGI_FORMAT_R32G32_SINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RG32UI, DXGI_FORMAT_R32G32_UINT, DXGI_FORMAT_R32G32_UINT, DXGI_FORMAT_R32G32_UINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGB8I, DXGI_FORMAT_R8G8B8A8_SINT, DXGI_FORMAT_R8G8B8A8_SINT, DXGI_FORMAT_R8G8B8A8_SINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGB8UI, DXGI_FORMAT_R8G8B8A8_UINT, DXGI_FORMAT_R8G8B8A8_UINT, DXGI_FORMAT_R8G8B8A8_UINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGB16I, DXGI_FORMAT_R16G16B16A16_SINT, DXGI_FORMAT_R16G16B16A16_SINT, DXGI_FORMAT_R16G16B16A16_SINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGB16UI, DXGI_FORMAT_R16G16B16A16_UINT, DXGI_FORMAT_R16G16B16A16_UINT, DXGI_FORMAT_R16G16B16A16_UINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGB32I, DXGI_FORMAT_R32G32B32A32_SINT, DXGI_FORMAT_R32G32B32A32_SINT, DXGI_FORMAT_R32G32B32A32_SINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGB32UI, DXGI_FORMAT_R32G32B32A32_UINT, DXGI_FORMAT_R32G32B32A32_UINT, DXGI_FORMAT_R32G32B32A32_UINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGBA8I, DXGI_FORMAT_R8G8B8A8_SINT, DXGI_FORMAT_R8G8B8A8_SINT, DXGI_FORMAT_R8G8B8A8_SINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGBA8UI, DXGI_FORMAT_R8G8B8A8_UINT, DXGI_FORMAT_R8G8B8A8_UINT, DXGI_FORMAT_R8G8B8A8_UINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGBA16I, DXGI_FORMAT_R16G16B16A16_SINT, DXGI_FORMAT_R16G16B16A16_SINT, DXGI_FORMAT_R16G16B16A16_SINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGBA16UI, DXGI_FORMAT_R16G16B16A16_UINT, DXGI_FORMAT_R16G16B16A16_UINT, DXGI_FORMAT_R16G16B16A16_UINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGBA32I, DXGI_FORMAT_R32G32B32A32_SINT, DXGI_FORMAT_R32G32B32A32_SINT, DXGI_FORMAT_R32G32B32A32_SINT, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGBA32UI, DXGI_FORMAT_R32G32B32A32_UINT, DXGI_FORMAT_R32G32B32A32_UINT, DXGI_FORMAT_R32G32B32A32_UINT, DXGI_FORMAT_UNKNOWN); + + // Unsized formats, TODO: Are types of float and half float allowed for the unsized types? Would it change the DXGI format? + InsertD3D11FormatInfo(&map, GL_ALPHA, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_LUMINANCE, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_LUMINANCE_ALPHA, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGB, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_RGBA, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_BGRA_EXT, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN); + + // From GL_EXT_texture_storage + // | GL internal format | D3D11 texture format | D3D11 SRV format | D3D11 RTV format | D3D11 DSV format | + InsertD3D11FormatInfo(&map, GL_ALPHA8_EXT, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_A8_UNORM, DXGI_FORMAT_UNKNOWN ); + InsertD3D11FormatInfo(&map, GL_LUMINANCE8_EXT, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN ); + InsertD3D11FormatInfo(&map, GL_ALPHA32F_EXT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN ); + InsertD3D11FormatInfo(&map, GL_LUMINANCE32F_EXT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN ); + InsertD3D11FormatInfo(&map, GL_ALPHA16F_EXT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN ); + InsertD3D11FormatInfo(&map, GL_LUMINANCE16F_EXT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN ); + InsertD3D11FormatInfo(&map, GL_LUMINANCE8_ALPHA8_EXT, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_UNKNOWN ); + InsertD3D11FormatInfo(&map, GL_LUMINANCE_ALPHA32F_EXT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, DXGI_FORMAT_UNKNOWN ); + InsertD3D11FormatInfo(&map, GL_LUMINANCE_ALPHA16F_EXT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_UNKNOWN ); + InsertD3D11FormatInfo(&map, GL_BGRA8_EXT, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN ); + InsertD3D11FormatInfo(&map, GL_BGRA4_ANGLEX, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN ); + InsertD3D11FormatInfo(&map, GL_BGR5_A1_ANGLEX, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_UNKNOWN ); + + // Depth stencil formats + InsertD3D11FormatInfo(&map, GL_DEPTH_COMPONENT16, DXGI_FORMAT_R16_TYPELESS, DXGI_FORMAT_R16_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D16_UNORM ); + InsertD3D11FormatInfo(&map, GL_DEPTH_COMPONENT24, DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_R24_UNORM_X8_TYPELESS, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT ); + InsertD3D11FormatInfo(&map, GL_DEPTH_COMPONENT32F, DXGI_FORMAT_R32_TYPELESS, DXGI_FORMAT_R32_FLOAT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D32_FLOAT ); + InsertD3D11FormatInfo(&map, GL_DEPTH24_STENCIL8, DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_R24_UNORM_X8_TYPELESS, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT ); + InsertD3D11FormatInfo(&map, GL_DEPTH32F_STENCIL8, DXGI_FORMAT_R32G8X24_TYPELESS, DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D32_FLOAT_S8X24_UINT); + InsertD3D11FormatInfo(&map, GL_STENCIL_INDEX8, DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_X24_TYPELESS_G8_UINT, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT ); + + // From GL_ANGLE_depth_texture + // Since D3D11 doesn't have a D32_UNORM format, use D24S8 which has comparable precision and matches the ES3 format. + InsertD3D11FormatInfo(&map, GL_DEPTH_COMPONENT32_OES, DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_R24_UNORM_X8_TYPELESS, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_D24_UNORM_S8_UINT); + + // Compressed formats, From ES 3.0.1 spec, table 3.16 + // | GL internal format | D3D11 texture format | D3D11 SRV format | D3D11 RTV format | D3D11 DSV format | + InsertD3D11FormatInfo(&map, GL_COMPRESSED_R11_EAC, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_COMPRESSED_SIGNED_R11_EAC, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_COMPRESSED_RG11_EAC, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_COMPRESSED_SIGNED_RG11_EAC, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_COMPRESSED_RGB8_ETC2, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_COMPRESSED_SRGB8_ETC2, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_COMPRESSED_RGBA8_ETC2_EAC, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + + // From GL_EXT_texture_compression_dxt1 + InsertD3D11FormatInfo(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + InsertD3D11FormatInfo(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_BC1_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + + // From GL_ANGLE_texture_compression_dxt3 + InsertD3D11FormatInfo(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, DXGI_FORMAT_BC2_UNORM, DXGI_FORMAT_BC2_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + + // From GL_ANGLE_texture_compression_dxt5 + InsertD3D11FormatInfo(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, DXGI_FORMAT_BC3_UNORM, DXGI_FORMAT_BC3_UNORM, DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN); + + return map; +} + +const TextureFormat &GetTextureFormatInfo(GLenum internalFormat, D3D_FEATURE_LEVEL featureLevel) +{ + static const D3D11ES3FormatMap formatMap = BuildD3D11FormatMap(); + static const D3D11ES3FormatMap formatMapFL9_3Override = BuildD3D11_FL9_3FormatOverrideMap(); + + if (featureLevel == D3D_FEATURE_LEVEL_9_3) + { + // First see if the internalFormat has a special map for FL9_3 + D3D11ES3FormatMap::const_iterator fl9_3Iter = formatMapFL9_3Override.find(internalFormat); + if (fl9_3Iter != formatMapFL9_3Override.end()) + { + return fl9_3Iter->second; + } + } + + D3D11ES3FormatMap::const_iterator iter = formatMap.find(internalFormat); + if (iter != formatMap.end()) + { + return iter->second; + } + else + { + static const TextureFormat defaultInfo; + return defaultInfo; + } +} + +typedef std::map<gl::VertexFormat, VertexFormat> D3D11VertexFormatInfoMap; +typedef std::pair<gl::VertexFormat, VertexFormat> D3D11VertexFormatPair; + +VertexFormat::VertexFormat() + : conversionType(VERTEX_CONVERT_NONE), + nativeFormat(DXGI_FORMAT_UNKNOWN), + copyFunction(NULL) +{ +} + +static void AddVertexFormatInfo(D3D11VertexFormatInfoMap *map, GLenum inputType, GLboolean normalized, GLuint componentCount, + VertexConversionType conversionType, DXGI_FORMAT nativeFormat, VertexCopyFunction copyFunction) +{ + gl::VertexFormat inputFormat(inputType, normalized, componentCount, false); + + VertexFormat info; + info.conversionType = conversionType; + info.nativeFormat = nativeFormat; + info.copyFunction = copyFunction; + + map->insert(D3D11VertexFormatPair(inputFormat, info)); +} + +static void AddIntegerVertexFormatInfo(D3D11VertexFormatInfoMap *map, GLenum inputType, GLuint componentCount, + VertexConversionType conversionType, DXGI_FORMAT nativeFormat, VertexCopyFunction copyFunction) +{ + gl::VertexFormat inputFormat(inputType, GL_FALSE, componentCount, true); + + VertexFormat info; + info.conversionType = conversionType; + info.nativeFormat = nativeFormat; + info.copyFunction = copyFunction; + + map->insert(D3D11VertexFormatPair(inputFormat, info)); +} + +static D3D11VertexFormatInfoMap BuildD3D11_FL9_3VertexFormatInfoOverrideMap() +{ + // D3D11 Feature Level 9_3 doesn't support as many formats for vertex buffer resource as Feature Level 10_0+. + // http://msdn.microsoft.com/en-us/library/windows/desktop/ff471324(v=vs.85).aspx + + D3D11VertexFormatInfoMap map; + + // GL_BYTE -- unnormalized + AddVertexFormatInfo(&map, GL_BYTE, GL_FALSE, 1, VERTEX_CONVERT_BOTH, DXGI_FORMAT_R16G16_SINT, &Copy8SintTo16SintVertexData<1, 2>); + AddVertexFormatInfo(&map, GL_BYTE, GL_FALSE, 2, VERTEX_CONVERT_BOTH, DXGI_FORMAT_R16G16_SINT, &Copy8SintTo16SintVertexData<2, 2>); + AddVertexFormatInfo(&map, GL_BYTE, GL_FALSE, 3, VERTEX_CONVERT_BOTH, DXGI_FORMAT_R16G16B16A16_SINT, &Copy8SintTo16SintVertexData<3, 4>); + AddVertexFormatInfo(&map, GL_BYTE, GL_FALSE, 4, VERTEX_CONVERT_BOTH, DXGI_FORMAT_R16G16B16A16_SINT, &Copy8SintTo16SintVertexData<4, 4>); + + // GL_BYTE -- normalized + AddVertexFormatInfo(&map, GL_BYTE, GL_TRUE, 1, VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16_SNORM, &Copy8SnormTo16SnormVertexData<1, 2>); + AddVertexFormatInfo(&map, GL_BYTE, GL_TRUE, 2, VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16_SNORM, &Copy8SnormTo16SnormVertexData<2, 2>); + AddVertexFormatInfo(&map, GL_BYTE, GL_TRUE, 3, VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16B16A16_SNORM, &Copy8SnormTo16SnormVertexData<3, 4>); + AddVertexFormatInfo(&map, GL_BYTE, GL_TRUE, 4, VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16B16A16_SNORM, &Copy8SnormTo16SnormVertexData<4, 4>); + + // GL_UNSIGNED_BYTE -- unnormalized + AddVertexFormatInfo(&map, GL_UNSIGNED_BYTE, GL_FALSE, 1, VERTEX_CONVERT_BOTH, DXGI_FORMAT_R8G8B8A8_UINT, &CopyNativeVertexData<GLubyte, 1, 4, 1>); + AddVertexFormatInfo(&map, GL_UNSIGNED_BYTE, GL_FALSE, 2, VERTEX_CONVERT_BOTH, DXGI_FORMAT_R8G8B8A8_UINT, &CopyNativeVertexData<GLubyte, 2, 4, 1>); + // NOTE: 3 and 4 component unnormalized GL_UNSIGNED_BYTE should use the default format table. + + // GL_UNSIGNED_BYTE -- normalized + AddVertexFormatInfo(&map, GL_UNSIGNED_BYTE, GL_TRUE, 1, VERTEX_CONVERT_CPU, DXGI_FORMAT_R8G8B8A8_UNORM, &CopyNativeVertexData<GLubyte, 1, 4, UINT8_MAX>); + AddVertexFormatInfo(&map, GL_UNSIGNED_BYTE, GL_TRUE, 2, VERTEX_CONVERT_CPU, DXGI_FORMAT_R8G8B8A8_UNORM, &CopyNativeVertexData<GLubyte, 2, 4, UINT8_MAX>); + // NOTE: 3 and 4 component normalized GL_UNSIGNED_BYTE should use the default format table. + + // GL_SHORT -- unnormalized + AddVertexFormatInfo(&map, GL_SHORT, GL_FALSE, 1, VERTEX_CONVERT_BOTH, DXGI_FORMAT_R16G16_SINT, &CopyNativeVertexData<GLshort, 1, 2, 0>); + // NOTE: 2, 3 and 4 component unnormalized GL_SHORT should use the default format table. + + // GL_SHORT -- normalized + AddVertexFormatInfo(&map, GL_SHORT, GL_TRUE, 1, VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16_SNORM, &CopyNativeVertexData<GLshort, 1, 2, 0>); + // NOTE: 2, 3 and 4 component normalized GL_SHORT should use the default format table. + + // GL_UNSIGNED_SHORT -- unnormalized + AddVertexFormatInfo(&map, GL_UNSIGNED_SHORT, GL_FALSE, 1, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32_FLOAT, &CopyTo32FVertexData<GLushort, 1, 2, false>); + AddVertexFormatInfo(&map, GL_UNSIGNED_SHORT, GL_FALSE, 2, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32_FLOAT, &CopyTo32FVertexData<GLushort, 2, 2, false>); + AddVertexFormatInfo(&map, GL_UNSIGNED_SHORT, GL_FALSE, 3, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32_FLOAT, &CopyTo32FVertexData<GLushort, 3, 3, false>); + AddVertexFormatInfo(&map, GL_UNSIGNED_SHORT, GL_FALSE, 4, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32A32_FLOAT, &CopyTo32FVertexData<GLushort, 4, 4, false>); + + // GL_UNSIGNED_SHORT -- normalized + AddVertexFormatInfo(&map, GL_UNSIGNED_SHORT, GL_TRUE, 1, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32_FLOAT, &CopyTo32FVertexData<GLushort, 1, 2, true>); + AddVertexFormatInfo(&map, GL_UNSIGNED_SHORT, GL_TRUE, 2, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32_FLOAT, &CopyTo32FVertexData<GLushort, 2, 2, true>); + AddVertexFormatInfo(&map, GL_UNSIGNED_SHORT, GL_TRUE, 3, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32_FLOAT, &CopyTo32FVertexData<GLushort, 3, 3, true>); + AddVertexFormatInfo(&map, GL_UNSIGNED_SHORT, GL_TRUE, 4, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32A32_FLOAT, &CopyTo32FVertexData<GLushort, 4, 4, true>); + + // GL_FIXED + // TODO: Add test to verify that this works correctly. + AddVertexFormatInfo(&map, GL_FIXED, GL_FALSE, 1, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32_FLOAT, &Copy32FixedTo32FVertexData<1, 2>); + // NOTE: 2, 3 and 4 component GL_FIXED should use the default format table. + + // GL_FLOAT + // TODO: Add test to verify that this works correctly. + AddVertexFormatInfo(&map, GL_FLOAT, GL_FALSE, 1, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32_FLOAT, &CopyNativeVertexData<GLfloat, 1, 2, 0>); + // NOTE: 2, 3 and 4 component GL_FLOAT should use the default format table. + + return map; +} + +static D3D11VertexFormatInfoMap BuildD3D11VertexFormatInfoMap() +{ + D3D11VertexFormatInfoMap map; + + // TODO: column legend + + // + // Float formats + // + + // GL_BYTE -- un-normalized + AddVertexFormatInfo(&map, GL_BYTE, GL_FALSE, 1, VERTEX_CONVERT_GPU, DXGI_FORMAT_R8_SINT, &CopyNativeVertexData<GLbyte, 1, 1, 0>); + AddVertexFormatInfo(&map, GL_BYTE, GL_FALSE, 2, VERTEX_CONVERT_GPU, DXGI_FORMAT_R8G8_SINT, &CopyNativeVertexData<GLbyte, 2, 2, 0>); + AddVertexFormatInfo(&map, GL_BYTE, GL_FALSE, 3, VERTEX_CONVERT_BOTH, DXGI_FORMAT_R8G8B8A8_SINT, &CopyNativeVertexData<GLbyte, 3, 4, 1>); + AddVertexFormatInfo(&map, GL_BYTE, GL_FALSE, 4, VERTEX_CONVERT_GPU, DXGI_FORMAT_R8G8B8A8_SINT, &CopyNativeVertexData<GLbyte, 4, 4, 0>); + + // GL_BYTE -- normalized + AddVertexFormatInfo(&map, GL_BYTE, GL_TRUE, 1, VERTEX_CONVERT_NONE, DXGI_FORMAT_R8_SNORM, &CopyNativeVertexData<GLbyte, 1, 1, 0>); + AddVertexFormatInfo(&map, GL_BYTE, GL_TRUE, 2, VERTEX_CONVERT_NONE, DXGI_FORMAT_R8G8_SNORM, &CopyNativeVertexData<GLbyte, 2, 2, 0>); + AddVertexFormatInfo(&map, GL_BYTE, GL_TRUE, 3, VERTEX_CONVERT_CPU, DXGI_FORMAT_R8G8B8A8_SNORM, &CopyNativeVertexData<GLbyte, 3, 4, INT8_MAX>); + AddVertexFormatInfo(&map, GL_BYTE, GL_TRUE, 4, VERTEX_CONVERT_NONE, DXGI_FORMAT_R8G8B8A8_SNORM, &CopyNativeVertexData<GLbyte, 4, 4, 0>); + + // GL_UNSIGNED_BYTE -- un-normalized + AddVertexFormatInfo(&map, GL_UNSIGNED_BYTE, GL_FALSE, 1, VERTEX_CONVERT_GPU, DXGI_FORMAT_R8_UINT, &CopyNativeVertexData<GLubyte, 1, 1, 0>); + AddVertexFormatInfo(&map, GL_UNSIGNED_BYTE, GL_FALSE, 2, VERTEX_CONVERT_GPU, DXGI_FORMAT_R8G8_UINT, &CopyNativeVertexData<GLubyte, 2, 2, 0>); + AddVertexFormatInfo(&map, GL_UNSIGNED_BYTE, GL_FALSE, 3, VERTEX_CONVERT_BOTH, DXGI_FORMAT_R8G8B8A8_UINT, &CopyNativeVertexData<GLubyte, 3, 4, 1>); + AddVertexFormatInfo(&map, GL_UNSIGNED_BYTE, GL_FALSE, 4, VERTEX_CONVERT_GPU, DXGI_FORMAT_R8G8B8A8_UINT, &CopyNativeVertexData<GLubyte, 4, 4, 0>); + + // GL_UNSIGNED_BYTE -- normalized + AddVertexFormatInfo(&map, GL_UNSIGNED_BYTE, GL_TRUE, 1, VERTEX_CONVERT_NONE, DXGI_FORMAT_R8_UNORM, &CopyNativeVertexData<GLubyte, 1, 1, 0>); + AddVertexFormatInfo(&map, GL_UNSIGNED_BYTE, GL_TRUE, 2, VERTEX_CONVERT_NONE, DXGI_FORMAT_R8G8_UNORM, &CopyNativeVertexData<GLubyte, 2, 2, 0>); + AddVertexFormatInfo(&map, GL_UNSIGNED_BYTE, GL_TRUE, 3, VERTEX_CONVERT_CPU, DXGI_FORMAT_R8G8B8A8_UNORM, &CopyNativeVertexData<GLubyte, 3, 4, UINT8_MAX>); + AddVertexFormatInfo(&map, GL_UNSIGNED_BYTE, GL_TRUE, 4, VERTEX_CONVERT_NONE, DXGI_FORMAT_R8G8B8A8_UNORM, &CopyNativeVertexData<GLubyte, 4, 4, 0>); + + // GL_SHORT -- un-normalized + AddVertexFormatInfo(&map, GL_SHORT, GL_FALSE, 1, VERTEX_CONVERT_GPU, DXGI_FORMAT_R16_SINT, &CopyNativeVertexData<GLshort, 1, 1, 0>); + AddVertexFormatInfo(&map, GL_SHORT, GL_FALSE, 2, VERTEX_CONVERT_GPU, DXGI_FORMAT_R16G16_SINT, &CopyNativeVertexData<GLshort, 2, 2, 0>); + AddVertexFormatInfo(&map, GL_SHORT, GL_FALSE, 3, VERTEX_CONVERT_BOTH, DXGI_FORMAT_R16G16B16A16_SINT, &CopyNativeVertexData<GLshort, 3, 4, 1>); + AddVertexFormatInfo(&map, GL_SHORT, GL_FALSE, 4, VERTEX_CONVERT_GPU, DXGI_FORMAT_R16G16B16A16_SINT, &CopyNativeVertexData<GLshort, 4, 4, 0>); + + // GL_SHORT -- normalized + AddVertexFormatInfo(&map, GL_SHORT, GL_TRUE, 1, VERTEX_CONVERT_NONE, DXGI_FORMAT_R16_SNORM, &CopyNativeVertexData<GLshort, 1, 1, 0>); + AddVertexFormatInfo(&map, GL_SHORT, GL_TRUE, 2, VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16_SNORM, &CopyNativeVertexData<GLshort, 2, 2, 0>); + AddVertexFormatInfo(&map, GL_SHORT, GL_TRUE, 3, VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16B16A16_SNORM, &CopyNativeVertexData<GLshort, 3, 4, INT16_MAX>); + AddVertexFormatInfo(&map, GL_SHORT, GL_TRUE, 4, VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16B16A16_SNORM, &CopyNativeVertexData<GLshort, 4, 4, 0>); + + // GL_UNSIGNED_SHORT -- un-normalized + AddVertexFormatInfo(&map, GL_UNSIGNED_SHORT, GL_FALSE, 1, VERTEX_CONVERT_GPU, DXGI_FORMAT_R16_UINT, &CopyNativeVertexData<GLushort, 1, 1, 0>); + AddVertexFormatInfo(&map, GL_UNSIGNED_SHORT, GL_FALSE, 2, VERTEX_CONVERT_GPU, DXGI_FORMAT_R16G16_UINT, &CopyNativeVertexData<GLushort, 2, 2, 0>); + AddVertexFormatInfo(&map, GL_UNSIGNED_SHORT, GL_FALSE, 3, VERTEX_CONVERT_BOTH, DXGI_FORMAT_R16G16B16A16_UINT, &CopyNativeVertexData<GLushort, 3, 4, 1>); + AddVertexFormatInfo(&map, GL_UNSIGNED_SHORT, GL_FALSE, 4, VERTEX_CONVERT_GPU, DXGI_FORMAT_R16G16B16A16_UINT, &CopyNativeVertexData<GLushort, 4, 4, 0>); + + // GL_UNSIGNED_SHORT -- normalized + AddVertexFormatInfo(&map, GL_UNSIGNED_SHORT, GL_TRUE, 1, VERTEX_CONVERT_NONE, DXGI_FORMAT_R16_UNORM, &CopyNativeVertexData<GLushort, 1, 1, 0>); + AddVertexFormatInfo(&map, GL_UNSIGNED_SHORT, GL_TRUE, 2, VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16_UNORM, &CopyNativeVertexData<GLushort, 2, 2, 0>); + AddVertexFormatInfo(&map, GL_UNSIGNED_SHORT, GL_TRUE, 3, VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16B16A16_UNORM, &CopyNativeVertexData<GLushort, 3, 4, UINT16_MAX>); + AddVertexFormatInfo(&map, GL_UNSIGNED_SHORT, GL_TRUE, 4, VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16B16A16_UNORM, &CopyNativeVertexData<GLushort, 4, 4, 0>); + + // GL_INT -- un-normalized + AddVertexFormatInfo(&map, GL_INT, GL_FALSE, 1, VERTEX_CONVERT_GPU, DXGI_FORMAT_R32_SINT, &CopyNativeVertexData<GLint, 1, 1, 0>); + AddVertexFormatInfo(&map, GL_INT, GL_FALSE, 2, VERTEX_CONVERT_GPU, DXGI_FORMAT_R32G32_SINT, &CopyNativeVertexData<GLint, 2, 2, 0>); + AddVertexFormatInfo(&map, GL_INT, GL_FALSE, 3, VERTEX_CONVERT_GPU, DXGI_FORMAT_R32G32B32_SINT, &CopyNativeVertexData<GLint, 3, 3, 0>); + AddVertexFormatInfo(&map, GL_INT, GL_FALSE, 4, VERTEX_CONVERT_GPU, DXGI_FORMAT_R32G32B32A32_SINT, &CopyNativeVertexData<GLint, 4, 4, 0>); + + // GL_INT -- normalized + AddVertexFormatInfo(&map, GL_INT, GL_TRUE, 1, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32_FLOAT, &CopyTo32FVertexData<GLint, 1, 1, true>); + AddVertexFormatInfo(&map, GL_INT, GL_TRUE, 2, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32_FLOAT, &CopyTo32FVertexData<GLint, 2, 2, true>); + AddVertexFormatInfo(&map, GL_INT, GL_TRUE, 3, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32_FLOAT, &CopyTo32FVertexData<GLint, 3, 3, true>); + AddVertexFormatInfo(&map, GL_INT, GL_TRUE, 4, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32A32_FLOAT, &CopyTo32FVertexData<GLint, 4, 4, true>); + + // GL_UNSIGNED_INT -- un-normalized + AddVertexFormatInfo(&map, GL_UNSIGNED_INT, GL_FALSE, 1, VERTEX_CONVERT_GPU, DXGI_FORMAT_R32_UINT, &CopyNativeVertexData<GLuint, 1, 1, 0>); + AddVertexFormatInfo(&map, GL_UNSIGNED_INT, GL_FALSE, 2, VERTEX_CONVERT_GPU, DXGI_FORMAT_R32G32_UINT, &CopyNativeVertexData<GLuint, 2, 2, 0>); + AddVertexFormatInfo(&map, GL_UNSIGNED_INT, GL_FALSE, 3, VERTEX_CONVERT_GPU, DXGI_FORMAT_R32G32B32_UINT, &CopyNativeVertexData<GLuint, 3, 3, 0>); + AddVertexFormatInfo(&map, GL_UNSIGNED_INT, GL_FALSE, 4, VERTEX_CONVERT_GPU, DXGI_FORMAT_R32G32B32A32_UINT, &CopyNativeVertexData<GLuint, 4, 4, 0>); + + // GL_UNSIGNED_INT -- normalized + AddVertexFormatInfo(&map, GL_UNSIGNED_INT, GL_TRUE, 1, VERTEX_CONVERT_NONE, DXGI_FORMAT_R32_FLOAT, &CopyTo32FVertexData<GLuint, 1, 1, true>); + AddVertexFormatInfo(&map, GL_UNSIGNED_INT, GL_TRUE, 2, VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32_FLOAT, &CopyTo32FVertexData<GLuint, 2, 2, true>); + AddVertexFormatInfo(&map, GL_UNSIGNED_INT, GL_TRUE, 3, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32_FLOAT, &CopyTo32FVertexData<GLuint, 3, 3, true>); + AddVertexFormatInfo(&map, GL_UNSIGNED_INT, GL_TRUE, 4, VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32B32A32_FLOAT, &CopyTo32FVertexData<GLuint, 4, 4, true>); + + // GL_FIXED + AddVertexFormatInfo(&map, GL_FIXED, GL_FALSE, 1, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32_FLOAT, &Copy32FixedTo32FVertexData<1, 1>); + AddVertexFormatInfo(&map, GL_FIXED, GL_FALSE, 2, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32_FLOAT, &Copy32FixedTo32FVertexData<2, 2>); + AddVertexFormatInfo(&map, GL_FIXED, GL_FALSE, 3, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32_FLOAT, &Copy32FixedTo32FVertexData<3, 3>); + AddVertexFormatInfo(&map, GL_FIXED, GL_FALSE, 4, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32A32_FLOAT, &Copy32FixedTo32FVertexData<4, 4>); + + // GL_HALF_FLOAT + AddVertexFormatInfo(&map, GL_HALF_FLOAT, GL_FALSE, 1, VERTEX_CONVERT_NONE, DXGI_FORMAT_R16_FLOAT, &CopyNativeVertexData<GLhalf, 1, 1, 0>); + AddVertexFormatInfo(&map, GL_HALF_FLOAT, GL_FALSE, 2, VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16_FLOAT, &CopyNativeVertexData<GLhalf, 2, 2, 0>); + AddVertexFormatInfo(&map, GL_HALF_FLOAT, GL_FALSE, 3, VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16B16A16_FLOAT, &CopyNativeVertexData<GLhalf, 3, 4, gl::Float16One>); + AddVertexFormatInfo(&map, GL_HALF_FLOAT, GL_FALSE, 4, VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16B16A16_FLOAT, &CopyNativeVertexData<GLhalf, 4, 4, 0>); + + // GL_FLOAT + AddVertexFormatInfo(&map, GL_FLOAT, GL_FALSE, 1, VERTEX_CONVERT_NONE, DXGI_FORMAT_R32_FLOAT, &CopyNativeVertexData<GLfloat, 1, 1, 0>); + AddVertexFormatInfo(&map, GL_FLOAT, GL_FALSE, 2, VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32_FLOAT, &CopyNativeVertexData<GLfloat, 2, 2, 0>); + AddVertexFormatInfo(&map, GL_FLOAT, GL_FALSE, 3, VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32B32_FLOAT, &CopyNativeVertexData<GLfloat, 3, 3, 0>); + AddVertexFormatInfo(&map, GL_FLOAT, GL_FALSE, 4, VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32B32A32_FLOAT, &CopyNativeVertexData<GLfloat, 4, 4, 0>); + + // GL_INT_2_10_10_10_REV + AddVertexFormatInfo(&map, GL_INT_2_10_10_10_REV, GL_FALSE, 4, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32A32_FLOAT, &CopyXYZ10W2ToXYZW32FVertexData<true, false, true>); + AddVertexFormatInfo(&map, GL_INT_2_10_10_10_REV, GL_TRUE, 4, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32A32_FLOAT, &CopyXYZ10W2ToXYZW32FVertexData<true, true, true>); + + // GL_UNSIGNED_INT_2_10_10_10_REV + AddVertexFormatInfo(&map, GL_UNSIGNED_INT_2_10_10_10_REV, GL_FALSE, 4, VERTEX_CONVERT_CPU, DXGI_FORMAT_R32G32B32A32_FLOAT, &CopyXYZ10W2ToXYZW32FVertexData<false, false, true>); + AddVertexFormatInfo(&map, GL_UNSIGNED_INT_2_10_10_10_REV, GL_TRUE, 4, VERTEX_CONVERT_NONE, DXGI_FORMAT_R10G10B10A2_UNORM, &CopyNativeVertexData<GLuint, 1, 1, 0>); + + // + // Integer Formats + // + + // GL_BYTE + AddIntegerVertexFormatInfo(&map, GL_BYTE, 1, VERTEX_CONVERT_NONE, DXGI_FORMAT_R8_SINT, &CopyNativeVertexData<GLbyte, 1, 1, 0>); + AddIntegerVertexFormatInfo(&map, GL_BYTE, 2, VERTEX_CONVERT_NONE, DXGI_FORMAT_R8G8_SINT, &CopyNativeVertexData<GLbyte, 2, 2, 0>); + AddIntegerVertexFormatInfo(&map, GL_BYTE, 3, VERTEX_CONVERT_CPU, DXGI_FORMAT_R8G8B8A8_SINT, &CopyNativeVertexData<GLbyte, 3, 4, 1>); + AddIntegerVertexFormatInfo(&map, GL_BYTE, 4, VERTEX_CONVERT_NONE, DXGI_FORMAT_R8G8B8A8_SINT, &CopyNativeVertexData<GLbyte, 4, 4, 0>); + + // GL_UNSIGNED_BYTE + AddIntegerVertexFormatInfo(&map, GL_UNSIGNED_BYTE, 1, VERTEX_CONVERT_NONE, DXGI_FORMAT_R8_UINT, &CopyNativeVertexData<GLubyte, 1, 1, 0>); + AddIntegerVertexFormatInfo(&map, GL_UNSIGNED_BYTE, 2, VERTEX_CONVERT_NONE, DXGI_FORMAT_R8G8_UINT, &CopyNativeVertexData<GLubyte, 2, 2, 0>); + AddIntegerVertexFormatInfo(&map, GL_UNSIGNED_BYTE, 3, VERTEX_CONVERT_CPU, DXGI_FORMAT_R8G8B8A8_UINT, &CopyNativeVertexData<GLubyte, 3, 4, 1>); + AddIntegerVertexFormatInfo(&map, GL_UNSIGNED_BYTE, 4, VERTEX_CONVERT_NONE, DXGI_FORMAT_R8G8B8A8_UINT, &CopyNativeVertexData<GLubyte, 4, 4, 0>); + + // GL_SHORT + AddIntegerVertexFormatInfo(&map, GL_SHORT, 1, VERTEX_CONVERT_NONE, DXGI_FORMAT_R16_SINT, &CopyNativeVertexData<GLshort, 1, 1, 0>); + AddIntegerVertexFormatInfo(&map, GL_SHORT, 2, VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16_SINT, &CopyNativeVertexData<GLshort, 2, 2, 0>); + AddIntegerVertexFormatInfo(&map, GL_SHORT, 3, VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16B16A16_SINT, &CopyNativeVertexData<GLshort, 3, 4, 1>); + AddIntegerVertexFormatInfo(&map, GL_SHORT, 4, VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16B16A16_SINT, &CopyNativeVertexData<GLshort, 4, 4, 0>); + + // GL_UNSIGNED_SHORT + AddIntegerVertexFormatInfo(&map, GL_UNSIGNED_SHORT, 1, VERTEX_CONVERT_NONE, DXGI_FORMAT_R16_UINT, &CopyNativeVertexData<GLushort, 1, 1, 0>); + AddIntegerVertexFormatInfo(&map, GL_UNSIGNED_SHORT, 2, VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16_UINT, &CopyNativeVertexData<GLushort, 2, 2, 0>); + AddIntegerVertexFormatInfo(&map, GL_UNSIGNED_SHORT, 3, VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16B16A16_UINT, &CopyNativeVertexData<GLushort, 3, 4, 1>); + AddIntegerVertexFormatInfo(&map, GL_UNSIGNED_SHORT, 4, VERTEX_CONVERT_NONE, DXGI_FORMAT_R16G16B16A16_UINT, &CopyNativeVertexData<GLushort, 4, 4, 0>); + + // GL_INT + AddIntegerVertexFormatInfo(&map, GL_INT, 1, VERTEX_CONVERT_NONE, DXGI_FORMAT_R32_SINT, &CopyNativeVertexData<GLint, 1, 1, 0>); + AddIntegerVertexFormatInfo(&map, GL_INT, 2, VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32_SINT, &CopyNativeVertexData<GLint, 2, 2, 0>); + AddIntegerVertexFormatInfo(&map, GL_INT, 3, VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32B32_SINT, &CopyNativeVertexData<GLint, 3, 3, 0>); + AddIntegerVertexFormatInfo(&map, GL_INT, 4, VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32B32A32_SINT, &CopyNativeVertexData<GLint, 4, 4, 0>); + + // GL_UNSIGNED_INT + AddIntegerVertexFormatInfo(&map, GL_UNSIGNED_INT, 1, VERTEX_CONVERT_NONE, DXGI_FORMAT_R32_SINT, &CopyNativeVertexData<GLuint, 1, 1, 0>); + AddIntegerVertexFormatInfo(&map, GL_UNSIGNED_INT, 2, VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32_SINT, &CopyNativeVertexData<GLuint, 2, 2, 0>); + AddIntegerVertexFormatInfo(&map, GL_UNSIGNED_INT, 3, VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32B32_SINT, &CopyNativeVertexData<GLuint, 3, 3, 0>); + AddIntegerVertexFormatInfo(&map, GL_UNSIGNED_INT, 4, VERTEX_CONVERT_NONE, DXGI_FORMAT_R32G32B32A32_SINT, &CopyNativeVertexData<GLuint, 4, 4, 0>); + + // GL_INT_2_10_10_10_REV + AddIntegerVertexFormatInfo(&map, GL_INT_2_10_10_10_REV, 4, VERTEX_CONVERT_CPU, DXGI_FORMAT_R16G16B16A16_SINT, &CopyXYZ10W2ToXYZW32FVertexData<true, true, false>); + + // GL_UNSIGNED_INT_2_10_10_10_REV + AddIntegerVertexFormatInfo(&map, GL_UNSIGNED_INT_2_10_10_10_REV, 4, VERTEX_CONVERT_NONE, DXGI_FORMAT_R10G10B10A2_UINT, &CopyNativeVertexData<GLuint, 1, 1, 0>); + + return map; +} + +const VertexFormat &GetVertexFormatInfo(const gl::VertexFormat &vertexFormat, D3D_FEATURE_LEVEL featureLevel) +{ + static const D3D11VertexFormatInfoMap vertexFormatMap = BuildD3D11VertexFormatInfoMap(); + static const D3D11VertexFormatInfoMap vertexFormatMapFL9_3Override = BuildD3D11_FL9_3VertexFormatInfoOverrideMap(); + + if (featureLevel == D3D_FEATURE_LEVEL_9_3) + { + // First see if the format has a special mapping for FL9_3 + D3D11VertexFormatInfoMap::const_iterator iter = vertexFormatMapFL9_3Override.find(vertexFormat); + if (iter != vertexFormatMapFL9_3Override.end()) + { + return iter->second; + } + } + + D3D11VertexFormatInfoMap::const_iterator iter = vertexFormatMap.find(vertexFormat); + if (iter != vertexFormatMap.end()) + { + return iter->second; + } + else + { + static const VertexFormat defaultInfo; + return defaultInfo; + } +} + +} + +} |