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|
//
// Copyright 2015 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.
//
// texture_format_util:
// Contains helper functions for texture_format_table
//
#include "libANGLE/renderer/d3d/d3d11/texture_format_util.h"
#include "libANGLE/renderer/d3d/d3d11/formatutils11.h"
#include "libANGLE/renderer/d3d/loadimage.h"
#include "libANGLE/renderer/d3d/loadimage_etc.h"
namespace rx
{
namespace d3d11
{
namespace
{
// ES3 image loading functions vary based on:
// - the GL internal format (supplied to glTex*Image*D)
// - the GL data type given (supplied to glTex*Image*D)
// - the target DXGI_FORMAT that the image will be loaded into (which is chosen based on the D3D
// device's capabilities)
// This map type determines which loading function to use, based on these three parameters.
// Source formats and types are taken from Tables 3.2 and 3.3 of the ES 3 spec.
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();
}
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.
inline void InsertLoadFunction(D3D11LoadFunctionMap *map, GLenum internalFormat, GLenum type,
DXGI_FORMAT dxgiFormat, LoadImageFunction loadFunc)
{
(*map)[internalFormat].push_back(GLTypeDXGIFunctionPair(type, DxgiFormatLoadFunctionPair(dxgiFormat, loadFunc)));
}
} // namespace
// TODO: This will be generated by a JSON file
const D3D11LoadFunctionMap &BuildD3D11LoadFunctionMap()
{
static D3D11LoadFunctionMap map;
// clang-format off
// | Internal format | Type | Target DXGI Format | Load function |
InsertLoadFunction(&map, GL_RGBA8, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8B8A8_UNORM, LoadToNative<GLubyte, 4> );
InsertLoadFunction(&map, GL_RGB5_A1, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8B8A8_UNORM, LoadToNative<GLubyte, 4> );
InsertLoadFunction(&map, GL_RGBA4, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8B8A8_UNORM, LoadToNative<GLubyte, 4> );
InsertLoadFunction(&map, GL_SRGB8_ALPHA8, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, LoadToNative<GLubyte, 4> );
InsertLoadFunction(&map, GL_RGBA8_SNORM, GL_BYTE, DXGI_FORMAT_R8G8B8A8_SNORM, LoadToNative<GLbyte, 4> );
InsertLoadFunction(&map, GL_RGBA4, GL_UNSIGNED_SHORT_4_4_4_4, DXGI_FORMAT_R8G8B8A8_UNORM, LoadRGBA4ToRGBA8 );
InsertLoadFunction(&map, GL_RGBA4, GL_UNSIGNED_SHORT_4_4_4_4, DXGI_FORMAT_B4G4R4A4_UNORM, LoadRGBA4ToARGB4 );
InsertLoadFunction(&map, GL_RGB10_A2, GL_UNSIGNED_INT_2_10_10_10_REV, DXGI_FORMAT_R10G10B10A2_UNORM, LoadToNative<GLuint, 1> );
InsertLoadFunction(&map, GL_RGB5_A1, GL_UNSIGNED_SHORT_5_5_5_1, DXGI_FORMAT_R8G8B8A8_UNORM, LoadRGB5A1ToRGBA8 );
InsertLoadFunction(&map, GL_RGB5_A1, GL_UNSIGNED_SHORT_5_5_5_1, DXGI_FORMAT_B5G5R5A1_UNORM, LoadRGB5A1ToA1RGB5 );
InsertLoadFunction(&map, GL_RGB5_A1, GL_UNSIGNED_INT_2_10_10_10_REV, DXGI_FORMAT_R8G8B8A8_UNORM, LoadRGB10A2ToRGBA8 );
InsertLoadFunction(&map, GL_RGBA16F, GL_HALF_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, LoadToNative<GLhalf, 4> );
InsertLoadFunction(&map, GL_RGBA16F, GL_HALF_FLOAT_OES, DXGI_FORMAT_R16G16B16A16_FLOAT, LoadToNative<GLhalf, 4> );
InsertLoadFunction(&map, GL_RGBA32F, GL_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, LoadToNative<GLfloat, 4> );
InsertLoadFunction(&map, GL_RGBA16F, GL_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, Load32FTo16F<4> );
InsertLoadFunction(&map, GL_RGBA8UI, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8B8A8_UINT, LoadToNative<GLubyte, 4> );
InsertLoadFunction(&map, GL_RGBA8I, GL_BYTE, DXGI_FORMAT_R8G8B8A8_SINT, LoadToNative<GLbyte, 4> );
InsertLoadFunction(&map, GL_RGBA16UI, GL_UNSIGNED_SHORT, DXGI_FORMAT_R16G16B16A16_UINT, LoadToNative<GLushort, 4> );
InsertLoadFunction(&map, GL_RGBA16I, GL_SHORT, DXGI_FORMAT_R16G16B16A16_SINT, LoadToNative<GLshort, 4> );
InsertLoadFunction(&map, GL_RGBA32UI, GL_UNSIGNED_INT, DXGI_FORMAT_R32G32B32A32_UINT, LoadToNative<GLuint, 4> );
InsertLoadFunction(&map, GL_RGBA32I, GL_INT, DXGI_FORMAT_R32G32B32A32_SINT, LoadToNative<GLint, 4> );
InsertLoadFunction(&map, GL_RGB10_A2UI, GL_UNSIGNED_INT_2_10_10_10_REV, DXGI_FORMAT_R10G10B10A2_UINT, LoadToNative<GLuint, 1> );
InsertLoadFunction(&map, GL_RGB8, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8B8A8_UNORM, LoadToNative3To4<GLubyte, 0xFF> );
InsertLoadFunction(&map, GL_RGB565, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8B8A8_UNORM, LoadToNative3To4<GLubyte, 0xFF> );
InsertLoadFunction(&map, GL_SRGB8, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, LoadToNative3To4<GLubyte, 0xFF> );
InsertLoadFunction(&map, GL_RGB8_SNORM, GL_BYTE, DXGI_FORMAT_R8G8B8A8_SNORM, LoadToNative3To4<GLbyte, 0x7F> );
InsertLoadFunction(&map, GL_RGB565, GL_UNSIGNED_SHORT_5_6_5, DXGI_FORMAT_R8G8B8A8_UNORM, LoadR5G6B5ToRGBA8 );
InsertLoadFunction(&map, GL_RGB565, GL_UNSIGNED_SHORT_5_6_5, DXGI_FORMAT_B5G6R5_UNORM, LoadToNative<GLushort, 1> );
InsertLoadFunction(&map, GL_R11F_G11F_B10F, GL_UNSIGNED_INT_10F_11F_11F_REV, DXGI_FORMAT_R11G11B10_FLOAT, LoadToNative<GLuint, 1> );
InsertLoadFunction(&map, GL_RGB9_E5, GL_UNSIGNED_INT_5_9_9_9_REV, DXGI_FORMAT_R9G9B9E5_SHAREDEXP, LoadToNative<GLuint, 1> );
InsertLoadFunction(&map, GL_RGB16F, GL_HALF_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, LoadToNative3To4<GLhalf, gl::Float16One>);
InsertLoadFunction(&map, GL_RGB16F, GL_HALF_FLOAT_OES, DXGI_FORMAT_R16G16B16A16_FLOAT, LoadToNative3To4<GLhalf, gl::Float16One>);
InsertLoadFunction(&map, GL_R11F_G11F_B10F, GL_HALF_FLOAT, DXGI_FORMAT_R11G11B10_FLOAT, LoadRGB16FToRG11B10F );
InsertLoadFunction(&map, GL_R11F_G11F_B10F, GL_HALF_FLOAT_OES, DXGI_FORMAT_R11G11B10_FLOAT, LoadRGB16FToRG11B10F );
InsertLoadFunction(&map, GL_RGB9_E5, GL_HALF_FLOAT, DXGI_FORMAT_R9G9B9E5_SHAREDEXP, LoadRGB16FToRGB9E5 );
InsertLoadFunction(&map, GL_RGB9_E5, GL_HALF_FLOAT_OES, DXGI_FORMAT_R9G9B9E5_SHAREDEXP, LoadRGB16FToRGB9E5 );
InsertLoadFunction(&map, GL_RGB32F, GL_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, LoadToNative3To4<GLfloat, gl::Float32One>);
InsertLoadFunction(&map, GL_RGB16F, GL_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, LoadRGB32FToRGBA16F );
InsertLoadFunction(&map, GL_R11F_G11F_B10F, GL_FLOAT, DXGI_FORMAT_R11G11B10_FLOAT, LoadRGB32FToRG11B10F );
InsertLoadFunction(&map, GL_RGB9_E5, GL_FLOAT, DXGI_FORMAT_R9G9B9E5_SHAREDEXP, LoadRGB32FToRGB9E5 );
InsertLoadFunction(&map, GL_RGB8UI, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8B8A8_UINT, LoadToNative3To4<GLubyte, 0x01> );
InsertLoadFunction(&map, GL_RGB8I, GL_BYTE, DXGI_FORMAT_R8G8B8A8_SINT, LoadToNative3To4<GLbyte, 0x01> );
InsertLoadFunction(&map, GL_RGB16UI, GL_UNSIGNED_SHORT, DXGI_FORMAT_R16G16B16A16_UINT, LoadToNative3To4<GLushort, 0x0001> );
InsertLoadFunction(&map, GL_RGB16I, GL_SHORT, DXGI_FORMAT_R16G16B16A16_SINT, LoadToNative3To4<GLshort, 0x0001> );
InsertLoadFunction(&map, GL_RGB32UI, GL_UNSIGNED_INT, DXGI_FORMAT_R32G32B32A32_UINT, LoadToNative3To4<GLuint, 0x00000001> );
InsertLoadFunction(&map, GL_RGB32I, GL_INT, DXGI_FORMAT_R32G32B32A32_SINT, LoadToNative3To4<GLint, 0x00000001> );
InsertLoadFunction(&map, GL_RG8, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8_UNORM, LoadToNative<GLubyte, 2> );
InsertLoadFunction(&map, GL_RG8_SNORM, GL_BYTE, DXGI_FORMAT_R8G8_SNORM, LoadToNative<GLbyte, 2> );
InsertLoadFunction(&map, GL_RG16F, GL_HALF_FLOAT, DXGI_FORMAT_R16G16_FLOAT, LoadToNative<GLhalf, 2> );
InsertLoadFunction(&map, GL_RG16F, GL_HALF_FLOAT_OES, DXGI_FORMAT_R16G16_FLOAT, LoadToNative<GLhalf, 2> );
InsertLoadFunction(&map, GL_RG32F, GL_FLOAT, DXGI_FORMAT_R32G32_FLOAT, LoadToNative<GLfloat, 2> );
InsertLoadFunction(&map, GL_RG16F, GL_FLOAT, DXGI_FORMAT_R16G16_FLOAT, Load32FTo16F<2> );
InsertLoadFunction(&map, GL_RG8UI, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8_UINT, LoadToNative<GLubyte, 2> );
InsertLoadFunction(&map, GL_RG8I, GL_BYTE, DXGI_FORMAT_R8G8_SINT, LoadToNative<GLbyte, 2> );
InsertLoadFunction(&map, GL_RG16UI, GL_UNSIGNED_SHORT, DXGI_FORMAT_R16G16_UINT, LoadToNative<GLushort, 2> );
InsertLoadFunction(&map, GL_RG16I, GL_SHORT, DXGI_FORMAT_R16G16_SINT, LoadToNative<GLshort, 2> );
InsertLoadFunction(&map, GL_RG32UI, GL_UNSIGNED_INT, DXGI_FORMAT_R32G32_UINT, LoadToNative<GLuint, 2> );
InsertLoadFunction(&map, GL_RG32I, GL_INT, DXGI_FORMAT_R32G32_SINT, LoadToNative<GLint, 2> );
InsertLoadFunction(&map, GL_R8, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8_UNORM, LoadToNative<GLubyte, 1> );
InsertLoadFunction(&map, GL_R8_SNORM, GL_BYTE, DXGI_FORMAT_R8_SNORM, LoadToNative<GLbyte, 1> );
InsertLoadFunction(&map, GL_R16F, GL_HALF_FLOAT, DXGI_FORMAT_R16_FLOAT, LoadToNative<GLhalf, 1> );
InsertLoadFunction(&map, GL_R16F, GL_HALF_FLOAT_OES, DXGI_FORMAT_R16_FLOAT, LoadToNative<GLhalf, 1> );
InsertLoadFunction(&map, GL_R32F, GL_FLOAT, DXGI_FORMAT_R32_FLOAT, LoadToNative<GLfloat, 1> );
InsertLoadFunction(&map, GL_R16F, GL_FLOAT, DXGI_FORMAT_R16_FLOAT, Load32FTo16F<1> );
InsertLoadFunction(&map, GL_R8UI, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8_UINT, LoadToNative<GLubyte, 1> );
InsertLoadFunction(&map, GL_R8I, GL_BYTE, DXGI_FORMAT_R8_SINT, LoadToNative<GLbyte, 1> );
InsertLoadFunction(&map, GL_R16UI, GL_UNSIGNED_SHORT, DXGI_FORMAT_R16_UINT, LoadToNative<GLushort, 1> );
InsertLoadFunction(&map, GL_R16I, GL_SHORT, DXGI_FORMAT_R16_SINT, LoadToNative<GLshort, 1> );
InsertLoadFunction(&map, GL_R32UI, GL_UNSIGNED_INT, DXGI_FORMAT_R32_UINT, LoadToNative<GLuint, 1> );
InsertLoadFunction(&map, GL_R32I, GL_INT, DXGI_FORMAT_R32_SINT, LoadToNative<GLint, 1> );
InsertLoadFunction(&map, GL_DEPTH_COMPONENT16, GL_UNSIGNED_SHORT, DXGI_FORMAT_R16_TYPELESS, LoadToNative<GLushort, 1> );
InsertLoadFunction(&map, GL_DEPTH_COMPONENT16, GL_UNSIGNED_SHORT, DXGI_FORMAT_D16_UNORM, LoadToNative<GLushort, 1> );
InsertLoadFunction(&map, GL_DEPTH_COMPONENT24, GL_UNSIGNED_INT, DXGI_FORMAT_R24G8_TYPELESS, LoadR32ToR24G8 );
InsertLoadFunction(&map, GL_DEPTH_COMPONENT24, GL_UNSIGNED_INT, DXGI_FORMAT_D24_UNORM_S8_UINT, LoadR32ToR24G8 );
InsertLoadFunction(&map, GL_DEPTH_COMPONENT16, GL_UNSIGNED_INT, DXGI_FORMAT_R16_TYPELESS, LoadR32ToR16 );
InsertLoadFunction(&map, GL_DEPTH_COMPONENT32F, GL_FLOAT, DXGI_FORMAT_R32_TYPELESS, LoadToNative<GLfloat, 1> );
InsertLoadFunction(&map, GL_DEPTH_COMPONENT32F, GL_FLOAT, DXGI_FORMAT_UNKNOWN, UnimplementedLoadFunction );
InsertLoadFunction(&map, GL_DEPTH24_STENCIL8, GL_UNSIGNED_INT_24_8, DXGI_FORMAT_R24G8_TYPELESS, LoadR32ToR24G8 );
InsertLoadFunction(&map, GL_DEPTH24_STENCIL8, GL_UNSIGNED_INT_24_8, DXGI_FORMAT_D24_UNORM_S8_UINT, LoadR32ToR24G8 );
InsertLoadFunction(&map, GL_DEPTH32F_STENCIL8, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, DXGI_FORMAT_R32G8X24_TYPELESS, LoadToNative<GLuint, 2> );
InsertLoadFunction(&map, GL_DEPTH32F_STENCIL8, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, DXGI_FORMAT_UNKNOWN, UnimplementedLoadFunction );
InsertLoadFunction(&map, GL_STENCIL_INDEX8, DXGI_FORMAT_R24G8_TYPELESS, DXGI_FORMAT_UNKNOWN, UnimplementedLoadFunction );
InsertLoadFunction(&map, GL_STENCIL_INDEX8, DXGI_FORMAT_D24_UNORM_S8_UINT, DXGI_FORMAT_UNKNOWN, UnimplementedLoadFunction );
// 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, DXGI_FORMAT_UNKNOWN, UnreachableLoadFunction );
InsertLoadFunction(&map, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, DXGI_FORMAT_UNKNOWN, UnreachableLoadFunction );
InsertLoadFunction(&map, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, DXGI_FORMAT_UNKNOWN, UnreachableLoadFunction );
InsertLoadFunction(&map, GL_RGB, GL_UNSIGNED_BYTE, DXGI_FORMAT_UNKNOWN, UnreachableLoadFunction );
InsertLoadFunction(&map, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, DXGI_FORMAT_UNKNOWN, UnreachableLoadFunction );
InsertLoadFunction(&map, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, DXGI_FORMAT_UNKNOWN, UnreachableLoadFunction );
InsertLoadFunction(&map, GL_LUMINANCE, GL_UNSIGNED_BYTE, DXGI_FORMAT_UNKNOWN, UnreachableLoadFunction );
InsertLoadFunction(&map, GL_ALPHA, GL_UNSIGNED_BYTE, DXGI_FORMAT_UNKNOWN, UnreachableLoadFunction );
InsertLoadFunction(&map, GL_BGRA_EXT, GL_UNSIGNED_BYTE, DXGI_FORMAT_UNKNOWN, UnreachableLoadFunction );
// From GL_OES_texture_float
InsertLoadFunction(&map, GL_LUMINANCE_ALPHA, GL_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, LoadLA32FToRGBA32F );
InsertLoadFunction(&map, GL_LUMINANCE, GL_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, LoadL32FToRGBA32F );
InsertLoadFunction(&map, GL_ALPHA, GL_FLOAT, DXGI_FORMAT_R32G32B32A32_FLOAT, LoadA32FToRGBA32F );
// From GL_OES_texture_half_float
InsertLoadFunction(&map, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, LoadLA16FToRGBA16F );
InsertLoadFunction(&map, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES, DXGI_FORMAT_R16G16B16A16_FLOAT, LoadLA16FToRGBA16F );
InsertLoadFunction(&map, GL_LUMINANCE, GL_HALF_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, LoadL16FToRGBA16F );
InsertLoadFunction(&map, GL_LUMINANCE, GL_HALF_FLOAT_OES, DXGI_FORMAT_R16G16B16A16_FLOAT, LoadL16FToRGBA16F );
InsertLoadFunction(&map, GL_ALPHA, GL_HALF_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, LoadA16FToRGBA16F );
InsertLoadFunction(&map, GL_ALPHA, GL_HALF_FLOAT_OES, DXGI_FORMAT_R16G16B16A16_FLOAT, LoadA16FToRGBA16F );
// From GL_EXT_texture_storage
InsertLoadFunction(&map, GL_ALPHA8_EXT, GL_UNSIGNED_BYTE, DXGI_FORMAT_A8_UNORM, LoadToNative<GLubyte, 1> );
InsertLoadFunction(&map, GL_ALPHA8_EXT, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8B8A8_UNORM, LoadA8ToRGBA8 );
InsertLoadFunction(&map, GL_LUMINANCE8_EXT, GL_UNSIGNED_BYTE, DXGI_FORMAT_UNKNOWN, LoadL8ToRGBA8 );
InsertLoadFunction(&map, GL_LUMINANCE8_ALPHA8_EXT, GL_UNSIGNED_BYTE, DXGI_FORMAT_UNKNOWN, LoadLA8ToRGBA8 );
InsertLoadFunction(&map, GL_ALPHA32F_EXT, GL_FLOAT, DXGI_FORMAT_UNKNOWN, LoadA32FToRGBA32F );
InsertLoadFunction(&map, GL_LUMINANCE32F_EXT, GL_FLOAT, DXGI_FORMAT_UNKNOWN, LoadL32FToRGBA32F );
InsertLoadFunction(&map, GL_LUMINANCE_ALPHA32F_EXT, GL_FLOAT, DXGI_FORMAT_UNKNOWN, LoadLA32FToRGBA32F );
InsertLoadFunction(&map, GL_ALPHA16F_EXT, GL_HALF_FLOAT, DXGI_FORMAT_UNKNOWN, LoadA16FToRGBA16F );
InsertLoadFunction(&map, GL_ALPHA16F_EXT, GL_HALF_FLOAT_OES, DXGI_FORMAT_UNKNOWN, LoadA16FToRGBA16F );
InsertLoadFunction(&map, GL_LUMINANCE16F_EXT, GL_HALF_FLOAT, DXGI_FORMAT_UNKNOWN, LoadL16FToRGBA16F );
InsertLoadFunction(&map, GL_LUMINANCE16F_EXT, GL_HALF_FLOAT_OES, DXGI_FORMAT_UNKNOWN, LoadL16FToRGBA16F );
InsertLoadFunction(&map, GL_LUMINANCE_ALPHA16F_EXT, GL_HALF_FLOAT, DXGI_FORMAT_UNKNOWN, LoadLA16FToRGBA16F );
InsertLoadFunction(&map, GL_LUMINANCE_ALPHA16F_EXT, GL_HALF_FLOAT_OES, DXGI_FORMAT_UNKNOWN, LoadLA16FToRGBA16F );
// From GL_ANGLE_depth_texture
InsertLoadFunction(&map, GL_DEPTH_COMPONENT32_OES, GL_UNSIGNED_INT, DXGI_FORMAT_UNKNOWN, LoadR32ToR24G8 );
// From GL_EXT_texture_format_BGRA8888
InsertLoadFunction(&map, GL_BGRA8_EXT, GL_UNSIGNED_BYTE, DXGI_FORMAT_UNKNOWN, LoadToNative<GLubyte, 4> );
InsertLoadFunction(&map, GL_BGRA4_ANGLEX, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, DXGI_FORMAT_UNKNOWN, LoadRGBA4ToRGBA8 );
InsertLoadFunction(&map, GL_BGRA4_ANGLEX, GL_UNSIGNED_BYTE, DXGI_FORMAT_UNKNOWN, LoadToNative<GLubyte, 4> );
InsertLoadFunction(&map, GL_BGR5_A1_ANGLEX, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, DXGI_FORMAT_UNKNOWN, LoadRGB5A1ToRGBA8 );
InsertLoadFunction(&map, GL_BGR5_A1_ANGLEX, GL_UNSIGNED_BYTE, DXGI_FORMAT_UNKNOWN, LoadToNative<GLubyte, 4> );
// Compressed formats
// From ES 3.0.1 spec, table 3.16
// | Internal format | Type | Target DXGI Format | Load function
InsertLoadFunction(&map, GL_COMPRESSED_R11_EAC, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8_UNORM, LoadEACR11ToR8 );
InsertLoadFunction(&map, GL_COMPRESSED_SIGNED_R11_EAC, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8_SNORM, LoadEACR11SToR8 );
InsertLoadFunction(&map, GL_COMPRESSED_RG11_EAC, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8_UNORM, LoadEACRG11ToRG8 );
InsertLoadFunction(&map, GL_COMPRESSED_SIGNED_RG11_EAC, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8_SNORM, LoadEACRG11SToRG8 );
InsertLoadFunction(&map, GL_COMPRESSED_RGB8_ETC2, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8B8A8_UNORM, LoadETC2RGB8ToRGBA8 );
InsertLoadFunction(&map, GL_COMPRESSED_SRGB8_ETC2, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, LoadETC2SRGB8ToRGBA8 );
InsertLoadFunction(&map, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8B8A8_UNORM, LoadETC2RGB8A1ToRGBA8 );
InsertLoadFunction(&map, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, LoadETC2SRGB8A1ToRGBA8);
InsertLoadFunction(&map, GL_COMPRESSED_RGBA8_ETC2_EAC, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8B8A8_UNORM, LoadETC2RGBA8ToRGBA8 );
InsertLoadFunction(&map, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB, LoadETC2SRGBA8ToSRGBA8);
// From GL_ETC1_RGB8_OES
InsertLoadFunction(&map, GL_ETC1_RGB8_OES, GL_UNSIGNED_BYTE, DXGI_FORMAT_R8G8B8A8_UNORM, LoadETC1RGB8ToRGBA8 );
// From GL_EXT_texture_compression_dxt1
InsertLoadFunction(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, DXGI_FORMAT_UNKNOWN, LoadCompressedToNative<4, 4, 8> );
InsertLoadFunction(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, DXGI_FORMAT_UNKNOWN, LoadCompressedToNative<4, 4, 8> );
// From GL_ANGLE_texture_compression_dxt3
InsertLoadFunction(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE, DXGI_FORMAT_UNKNOWN, LoadCompressedToNative<4, 4, 16> );
// From GL_ANGLE_texture_compression_dxt5
InsertLoadFunction(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE, DXGI_FORMAT_UNKNOWN, LoadCompressedToNative<4, 4, 16> );
// clang-format on
return map;
}
typedef std::pair<InitializeTextureFormatPair, InitializeTextureDataFunction>
InternalFormatInitializerPair;
// TODO: This should be generated by a JSON file
const InternalFormatInitializerMap &BuildInternalFormatInitializerMap()
{
static InternalFormatInitializerMap map;
map.insert(InternalFormatInitializerPair(
InitializeTextureFormatPair(GL_RGB8, DXGI_FORMAT_R8G8B8A8_UNORM),
Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0xFF>));
map.insert(InternalFormatInitializerPair(
InitializeTextureFormatPair(GL_RGB565, DXGI_FORMAT_R8G8B8A8_UNORM),
Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0xFF>));
map.insert(InternalFormatInitializerPair(
InitializeTextureFormatPair(GL_SRGB8, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB),
Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0xFF>));
map.insert(InternalFormatInitializerPair(
InitializeTextureFormatPair(GL_RGB16F, DXGI_FORMAT_R16G16B16A16_FLOAT),
Initialize4ComponentData<GLhalf, 0x0000, 0x0000, 0x0000, gl::Float16One>));
map.insert(InternalFormatInitializerPair(
InitializeTextureFormatPair(GL_RGB32F, DXGI_FORMAT_R32G32B32A32_FLOAT),
Initialize4ComponentData<GLfloat, 0x00000000, 0x00000000, 0x00000000, gl::Float32One>));
map.insert(InternalFormatInitializerPair(
InitializeTextureFormatPair(GL_RGB8UI, DXGI_FORMAT_R8G8B8A8_UINT),
Initialize4ComponentData<GLubyte, 0x00, 0x00, 0x00, 0x01>));
map.insert(InternalFormatInitializerPair(
InitializeTextureFormatPair(GL_RGB8I, DXGI_FORMAT_R8G8B8A8_SINT),
Initialize4ComponentData<GLbyte, 0x00, 0x00, 0x00, 0x01>));
map.insert(InternalFormatInitializerPair(
InitializeTextureFormatPair(GL_RGB16UI, DXGI_FORMAT_R16G16B16A16_UINT),
Initialize4ComponentData<GLushort, 0x0000, 0x0000, 0x0000, 0x0001>));
map.insert(InternalFormatInitializerPair(
InitializeTextureFormatPair(GL_RGB16I, DXGI_FORMAT_R16G16B16A16_SINT),
Initialize4ComponentData<GLshort, 0x0000, 0x0000, 0x0000, 0x0001>));
map.insert(InternalFormatInitializerPair(
InitializeTextureFormatPair(GL_RGB32UI, DXGI_FORMAT_R32G32B32A32_UINT),
Initialize4ComponentData<GLuint, 0x00000000, 0x00000000, 0x00000000, 0x00000001>));
map.insert(InternalFormatInitializerPair(
InitializeTextureFormatPair(GL_RGB32I, DXGI_FORMAT_R32G32B32A32_SINT),
Initialize4ComponentData<GLint, 0x00000000, 0x00000000, 0x00000000, 0x00000001>));
return map;
}
} // namespace d3d11
} // namespace rx
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