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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/angle/src/libANGLE/renderer/d3d/d3d9/formatutils9.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/angle/src/libANGLE/renderer/d3d/d3d9/formatutils9.cpp')
-rwxr-xr-xgfx/angle/src/libANGLE/renderer/d3d/d3d9/formatutils9.cpp659
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diff --git a/gfx/angle/src/libANGLE/renderer/d3d/d3d9/formatutils9.cpp b/gfx/angle/src/libANGLE/renderer/d3d/d3d9/formatutils9.cpp
new file mode 100755
index 000000000..7cff9a117
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/d3d/d3d9/formatutils9.cpp
@@ -0,0 +1,659 @@
+//
+// 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 "libANGLE/renderer/d3d/d3d9/formatutils9.h"
+
+#include "image_util/copyimage.h"
+#include "image_util/generatemip.h"
+#include "image_util/loadimage.h"
+
+#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
+#include "libANGLE/renderer/d3d/d3d9/vertexconversion.h"
+
+using namespace angle;
+
+namespace rx
+{
+
+namespace d3d9
+{
+
+constexpr D3DFORMAT D3DFMT_INTZ = ((D3DFORMAT)(MAKEFOURCC('I', 'N', 'T', 'Z')));
+constexpr D3DFORMAT D3DFMT_NULL = ((D3DFORMAT)(MAKEFOURCC('N', 'U', 'L', 'L')));
+
+// A map to determine the pixel size and mip generation function of a given D3D format
+typedef std::map<D3DFORMAT, D3DFormat> D3D9FormatInfoMap;
+
+constexpr D3DFormat::D3DFormat()
+ : pixelBytes(0),
+ blockWidth(0),
+ blockHeight(0),
+ redBits(0),
+ greenBits(0),
+ blueBits(0),
+ alphaBits(0),
+ luminanceBits(0),
+ depthBits(0),
+ stencilBits(0),
+ formatID(angle::Format::ID::NONE)
+{
+}
+
+constexpr D3DFormat::D3DFormat(GLuint bits,
+ GLuint blockWidth,
+ GLuint blockHeight,
+ GLuint redBits,
+ GLuint greenBits,
+ GLuint blueBits,
+ GLuint alphaBits,
+ GLuint lumBits,
+ GLuint depthBits,
+ GLuint stencilBits,
+ Format::ID formatID)
+ : pixelBytes(bits / 8),
+ blockWidth(blockWidth),
+ blockHeight(blockHeight),
+ redBits(redBits),
+ greenBits(greenBits),
+ blueBits(blueBits),
+ alphaBits(alphaBits),
+ luminanceBits(lumBits),
+ depthBits(depthBits),
+ stencilBits(stencilBits),
+ formatID(formatID)
+{
+}
+
+const D3DFormat &GetD3DFormatInfo(D3DFORMAT format)
+{
+ if (format == D3DFMT_NULL)
+ {
+ static constexpr D3DFormat info(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, Format::ID::NONE);
+ return info;
+ }
+
+ if (format == D3DFMT_INTZ)
+ {
+ static constexpr D3DFormat info(32, 1, 1, 0, 0, 0, 0, 0, 24, 8,
+ Format::ID::D24_UNORM_S8_UINT);
+ return info;
+ }
+
+ switch (format)
+ {
+ case D3DFMT_UNKNOWN:
+ {
+ static constexpr D3DFormat info(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, Format::ID::NONE);
+ return info;
+ }
+
+ case D3DFMT_L8:
+ {
+ static constexpr D3DFormat info(8, 1, 1, 0, 0, 0, 0, 8, 0, 0, Format::ID::L8_UNORM);
+ return info;
+ }
+ case D3DFMT_A8:
+ {
+ static constexpr D3DFormat info(8, 1, 1, 0, 0, 0, 8, 0, 0, 0, Format::ID::A8_UNORM);
+ return info;
+ }
+ case D3DFMT_A8L8:
+ {
+ static constexpr D3DFormat info(16, 1, 1, 0, 0, 0, 8, 8, 0, 0, Format::ID::L8A8_UNORM);
+ return info;
+ }
+
+ case D3DFMT_A4R4G4B4:
+ {
+ static constexpr D3DFormat info(16, 1, 1, 4, 4, 4, 4, 0, 0, 0,
+ Format::ID::B4G4R4A4_UNORM);
+ return info;
+ }
+ case D3DFMT_A1R5G5B5:
+ {
+ static constexpr D3DFormat info(16, 1, 1, 5, 5, 5, 1, 0, 0, 0,
+ Format::ID::B5G5R5A1_UNORM);
+ return info;
+ }
+ case D3DFMT_R5G6B5:
+ {
+ static constexpr D3DFormat info(16, 1, 1, 5, 6, 5, 0, 0, 0, 0,
+ Format::ID::R5G6B5_UNORM);
+ return info;
+ }
+ case D3DFMT_X8R8G8B8:
+ {
+ static constexpr D3DFormat info(32, 1, 1, 8, 8, 8, 0, 0, 0, 0,
+ Format::ID::B8G8R8X8_UNORM);
+ return info;
+ }
+ case D3DFMT_A8R8G8B8:
+ {
+ static constexpr D3DFormat info(32, 1, 1, 8, 8, 8, 8, 0, 0, 0,
+ Format::ID::B8G8R8A8_UNORM);
+ return info;
+ }
+
+ case D3DFMT_R16F:
+ {
+ static constexpr D3DFormat info(16, 1, 1, 16, 0, 0, 0, 0, 0, 0, Format::ID::R16_FLOAT);
+ return info;
+ }
+ case D3DFMT_G16R16F:
+ {
+ static constexpr D3DFormat info(32, 1, 1, 16, 16, 0, 0, 0, 0, 0,
+ Format::ID::R16G16_FLOAT);
+ return info;
+ }
+ case D3DFMT_A16B16G16R16F:
+ {
+ static constexpr D3DFormat info(64, 1, 1, 16, 16, 16, 16, 0, 0, 0,
+ Format::ID::R16G16B16A16_FLOAT);
+ return info;
+ }
+ case D3DFMT_R32F:
+ {
+ static constexpr D3DFormat info(32, 1, 1, 32, 0, 0, 0, 0, 0, 0, Format::ID::R32_FLOAT);
+ return info;
+ }
+ case D3DFMT_G32R32F:
+ {
+ static constexpr D3DFormat info(64, 1, 1, 32, 32, 0, 0, 0, 0, 0,
+ Format::ID::R32G32_FLOAT);
+ return info;
+ }
+ case D3DFMT_A32B32G32R32F:
+ {
+ static constexpr D3DFormat info(128, 1, 1, 32, 32, 32, 32, 0, 0, 0,
+ Format::ID::R32G32B32A32_FLOAT);
+ return info;
+ }
+
+ case D3DFMT_D16:
+ {
+ static constexpr D3DFormat info(16, 1, 1, 0, 0, 0, 0, 0, 16, 0, Format::ID::D16_UNORM);
+ return info;
+ }
+ case D3DFMT_D24S8:
+ {
+ static constexpr D3DFormat info(32, 1, 1, 0, 0, 0, 0, 0, 24, 8,
+ Format::ID::D24_UNORM_S8_UINT);
+ return info;
+ }
+ case D3DFMT_D24X8:
+ {
+ static constexpr D3DFormat info(32, 1, 1, 0, 0, 0, 0, 0, 24, 0, Format::ID::D16_UNORM);
+ return info;
+ }
+ case D3DFMT_D32:
+ {
+ static constexpr D3DFormat info(32, 1, 1, 0, 0, 0, 0, 0, 32, 0, Format::ID::D32_UNORM);
+ return info;
+ }
+
+ case D3DFMT_DXT1:
+ {
+ static constexpr D3DFormat info(64, 4, 4, 0, 0, 0, 0, 0, 0, 0,
+ Format::ID::BC1_RGBA_UNORM_BLOCK);
+ return info;
+ }
+ case D3DFMT_DXT3:
+ {
+ static constexpr D3DFormat info(128, 4, 4, 0, 0, 0, 0, 0, 0, 0,
+ Format::ID::BC2_RGBA_UNORM_BLOCK);
+ return info;
+ }
+ case D3DFMT_DXT5:
+ {
+ static constexpr D3DFormat info(128, 4, 4, 0, 0, 0, 0, 0, 0, 0,
+ Format::ID::BC3_RGBA_UNORM_BLOCK);
+ return info;
+ }
+
+ default:
+ {
+ static constexpr D3DFormat defaultInfo;
+ return defaultInfo;
+ }
+ }
+}
+
+typedef std::pair<GLint, InitializeTextureDataFunction> InternalFormatInitialzerPair;
+typedef std::map<GLint, InitializeTextureDataFunction> InternalFormatInitialzerMap;
+
+static InternalFormatInitialzerMap BuildInternalFormatInitialzerMap()
+{
+ using namespace angle; // For image initialization functions
+
+ 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 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();
+}
+
+typedef std::pair<GLenum, TextureFormat> D3D9FormatPair;
+typedef std::map<GLenum, TextureFormat> D3D9FormatMap;
+
+TextureFormat::TextureFormat()
+ : texFormat(D3DFMT_UNKNOWN),
+ renderFormat(D3DFMT_UNKNOWN),
+ dataInitializerFunction(NULL),
+ loadFunction(UnreachableLoad)
+{
+}
+
+static inline void InsertD3D9FormatInfo(D3D9FormatMap *map, GLenum internalFormat, D3DFORMAT texFormat,
+ D3DFORMAT renderFormat, LoadImageFunction loadFunction)
+{
+ TextureFormat info;
+ info.texFormat = texFormat;
+ info.renderFormat = renderFormat;
+
+ static const InternalFormatInitialzerMap dataInitializationMap = BuildInternalFormatInitialzerMap();
+ InternalFormatInitialzerMap::const_iterator dataInitIter = dataInitializationMap.find(internalFormat);
+ info.dataInitializerFunction = (dataInitIter != dataInitializationMap.end()) ? dataInitIter->second : NULL;
+
+ info.loadFunction = loadFunction;
+
+ map->insert(std::make_pair(internalFormat, info));
+}
+
+static D3D9FormatMap BuildD3D9FormatMap()
+{
+ using namespace angle; // For image loading functions
+
+ D3D9FormatMap map;
+
+ // clang-format off
+ // | Internal format | Texture format | Render format | Load function |
+ InsertD3D9FormatInfo(&map, GL_NONE, D3DFMT_NULL, D3DFMT_NULL, UnreachableLoad );
+
+ // We choose to downsample the GL_DEPTH_COMPONENT32_OES format to a 24-bit format because D3DFMT_D32 is not widely
+ // supported. We're allowed to do this because:
+ // - The ES spec 2.0.25 sec 3.7.1 states that we're allowed to store texture formats with internal format
+ // resolutions of our own choosing.
+ // - OES_depth_texture states that downsampling of the depth formats is allowed.
+ // - ANGLE_depth_texture does not state minimum required resolutions of the depth texture formats it
+ // introduces.
+ // In ES3 however, there are minimum resolutions for the texture formats and this would not be allowed.
+
+ InsertD3D9FormatInfo(&map, GL_DEPTH_COMPONENT16, D3DFMT_INTZ, D3DFMT_D24S8, UnreachableLoad );
+ InsertD3D9FormatInfo(&map, GL_DEPTH_COMPONENT32_OES, D3DFMT_INTZ, D3DFMT_D24X8, UnreachableLoad );
+ InsertD3D9FormatInfo(&map, GL_DEPTH24_STENCIL8_OES, D3DFMT_INTZ, D3DFMT_D24S8, UnreachableLoad );
+ InsertD3D9FormatInfo(&map, GL_STENCIL_INDEX8, D3DFMT_UNKNOWN, D3DFMT_D24S8, UnreachableLoad ); // TODO: What's the texture format?
+
+ InsertD3D9FormatInfo(&map, GL_RGBA32F_EXT, D3DFMT_A32B32G32R32F, D3DFMT_A32B32G32R32F, LoadToNative<GLfloat, 4> );
+ InsertD3D9FormatInfo(&map, GL_RGB32F_EXT, D3DFMT_A32B32G32R32F, D3DFMT_A32B32G32R32F, LoadToNative3To4<GLfloat, gl::Float32One>);
+ InsertD3D9FormatInfo(&map, GL_RG32F_EXT, D3DFMT_G32R32F, D3DFMT_G32R32F, LoadToNative<GLfloat, 2> );
+ InsertD3D9FormatInfo(&map, GL_R32F_EXT, D3DFMT_R32F, D3DFMT_R32F, LoadToNative<GLfloat, 1> );
+ InsertD3D9FormatInfo(&map, GL_ALPHA32F_EXT, D3DFMT_A32B32G32R32F, D3DFMT_UNKNOWN, LoadA32FToRGBA32F );
+ InsertD3D9FormatInfo(&map, GL_LUMINANCE32F_EXT, D3DFMT_A32B32G32R32F, D3DFMT_UNKNOWN, LoadL32FToRGBA32F );
+ InsertD3D9FormatInfo(&map, GL_LUMINANCE_ALPHA32F_EXT, D3DFMT_A32B32G32R32F, D3DFMT_UNKNOWN, LoadLA32FToRGBA32F );
+
+ InsertD3D9FormatInfo(&map, GL_RGBA16F_EXT, D3DFMT_A16B16G16R16F, D3DFMT_A16B16G16R16F, LoadToNative<GLhalf, 4> );
+ InsertD3D9FormatInfo(&map, GL_RGB16F_EXT, D3DFMT_A16B16G16R16F, D3DFMT_A16B16G16R16F, LoadToNative3To4<GLhalf, gl::Float16One> );
+ InsertD3D9FormatInfo(&map, GL_RG16F_EXT, D3DFMT_G16R16F, D3DFMT_G16R16F, LoadToNative<GLhalf, 2> );
+ InsertD3D9FormatInfo(&map, GL_R16F_EXT, D3DFMT_R16F, D3DFMT_R16F, LoadToNative<GLhalf, 1> );
+ InsertD3D9FormatInfo(&map, GL_ALPHA16F_EXT, D3DFMT_A16B16G16R16F, D3DFMT_UNKNOWN, LoadA16FToRGBA16F );
+ InsertD3D9FormatInfo(&map, GL_LUMINANCE16F_EXT, D3DFMT_A16B16G16R16F, D3DFMT_UNKNOWN, LoadL16FToRGBA16F );
+ InsertD3D9FormatInfo(&map, GL_LUMINANCE_ALPHA16F_EXT, D3DFMT_A16B16G16R16F, D3DFMT_UNKNOWN, LoadLA16FToRGBA16F );
+
+ InsertD3D9FormatInfo(&map, GL_ALPHA8_EXT, D3DFMT_A8R8G8B8, D3DFMT_A8R8G8B8, LoadA8ToBGRA8 );
+
+ InsertD3D9FormatInfo(&map, GL_RGB8_OES, D3DFMT_X8R8G8B8, D3DFMT_X8R8G8B8, LoadRGB8ToBGRX8 );
+ InsertD3D9FormatInfo(&map, GL_RGB565, D3DFMT_X8R8G8B8, D3DFMT_X8R8G8B8, LoadR5G6B5ToBGRA8 );
+ InsertD3D9FormatInfo(&map, GL_RGBA8_OES, D3DFMT_A8R8G8B8, D3DFMT_A8R8G8B8, LoadRGBA8ToBGRA8 );
+ InsertD3D9FormatInfo(&map, GL_RGBA4, D3DFMT_A8R8G8B8, D3DFMT_A8R8G8B8, LoadRGBA4ToBGRA8 );
+ InsertD3D9FormatInfo(&map, GL_RGB5_A1, D3DFMT_A8R8G8B8, D3DFMT_A8R8G8B8, LoadRGB5A1ToBGRA8 );
+ InsertD3D9FormatInfo(&map, GL_R8_EXT, D3DFMT_X8R8G8B8, D3DFMT_X8R8G8B8, LoadR8ToBGRX8 );
+ InsertD3D9FormatInfo(&map, GL_RG8_EXT, D3DFMT_X8R8G8B8, D3DFMT_X8R8G8B8, LoadRG8ToBGRX8 );
+
+ InsertD3D9FormatInfo(&map, GL_BGRA8_EXT, D3DFMT_A8R8G8B8, D3DFMT_A8R8G8B8, LoadToNative<GLubyte, 4> );
+ InsertD3D9FormatInfo(&map, GL_BGRA4_ANGLEX, D3DFMT_A8R8G8B8, D3DFMT_A8R8G8B8, LoadBGRA4ToBGRA8 );
+ InsertD3D9FormatInfo(&map, GL_BGR5_A1_ANGLEX, D3DFMT_A8R8G8B8, D3DFMT_A8R8G8B8, LoadBGR5A1ToBGRA8 );
+
+ InsertD3D9FormatInfo(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, D3DFMT_DXT1, D3DFMT_UNKNOWN, LoadCompressedToNative<4, 4, 8> );
+ InsertD3D9FormatInfo(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, D3DFMT_DXT1, D3DFMT_UNKNOWN, LoadCompressedToNative<4, 4, 8> );
+ InsertD3D9FormatInfo(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, D3DFMT_DXT3, D3DFMT_UNKNOWN, LoadCompressedToNative<4, 4, 16> );
+ InsertD3D9FormatInfo(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, 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.
+ InsertD3D9FormatInfo(&map, GL_LUMINANCE8_EXT, D3DFMT_L8, D3DFMT_L8, LoadToNative<GLubyte, 1> );
+ InsertD3D9FormatInfo(&map, GL_LUMINANCE8_ALPHA8_EXT, D3DFMT_A8L8, D3DFMT_A8L8, LoadToNative<GLubyte, 2> );
+ // clang-format on
+
+ return map;
+}
+
+const TextureFormat &GetTextureFormatInfo(GLenum internalFormat)
+{
+ static const D3D9FormatMap formatMap = BuildD3D9FormatMap();
+ D3D9FormatMap::const_iterator iter = formatMap.find(internalFormat);
+ if (iter != formatMap.end())
+ {
+ return iter->second;
+ }
+ else
+ {
+ static const TextureFormat defaultInfo;
+ return defaultInfo;
+ }
+}
+
+static 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 TranslationDescription
+{
+ DWORD capsFlag;
+ VertexFormat preferredConversion;
+ VertexFormat fallbackConversion;
+};
+
+// 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 };
+};
+
+VertexFormat::VertexFormat()
+ : conversionType(VERTEX_CONVERT_NONE),
+ outputElementSize(0),
+ copyFunction(NULL),
+ nativeFormat(D3DDECLTYPE_UNUSED),
+ componentType(GL_NONE)
+{
+}
+
+// Initialize a TranslationInfo
+VertexFormat CreateVertexFormatInfo(bool identity, size_t elementSize, VertexCopyFunction copyFunc, D3DDECLTYPE nativeFormat)
+{
+ VertexFormat formatInfo;
+ formatInfo.conversionType = identity ? VERTEX_CONVERT_NONE : VERTEX_CONVERT_CPU;
+ formatInfo.outputElementSize = elementSize;
+ formatInfo.copyFunction = copyFunc;
+ formatInfo.nativeFormat = nativeFormat;
+ formatInfo.componentType = GetDeclTypeComponentType(nativeFormat);
+ return formatInfo;
+}
+
+#define TRANSLATION(type, norm, size, preferred) \
+ CreateVertexFormatInfo \
+ ( \
+ 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) }, \
+ }
+
+static inline unsigned int ComputeTypeIndex(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 VertexFormat &GetVertexFormatInfo(DWORD supportedDeclTypes, gl::VertexFormatType vertexFormatType)
+{
+ static bool initialized = false;
+ static DWORD initializedDeclTypes = 0;
+ static VertexFormat formatConverters[NUM_GL_VERTEX_ATTRIB_TYPES][2][4];
+ if (initializedDeclTypes != supportedDeclTypes)
+ {
+ const TranslationDescription translations[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)
+ };
+ 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 (translations[i][j][k].capsFlag == 0 || (supportedDeclTypes & translations[i][j][k].capsFlag) != 0)
+ {
+ formatConverters[i][j][k] = translations[i][j][k].preferredConversion;
+ }
+ else
+ {
+ formatConverters[i][j][k] = translations[i][j][k].fallbackConversion;
+ }
+ }
+ }
+ }
+ initialized = true;
+ initializedDeclTypes = supportedDeclTypes;
+ }
+
+ const gl::VertexFormat &vertexFormat = gl::GetVertexFormatFromType(vertexFormatType);
+
+ // Pure integer attributes only supported in ES3.0
+ ASSERT(!vertexFormat.pureInteger);
+ return formatConverters[ComputeTypeIndex(vertexFormat.type)][vertexFormat.normalized][vertexFormat.components - 1];
+}
+
+}
+
+}