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//
// Copyright (c) 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.
//
// formatutils9.cpp: Queries for GL image formats and their translations to D3D
// formats.
#include "libANGLE/renderer/d3d/formatutilsD3D.h"
#include <map>
#include "common/debug.h"
#include "libANGLE/renderer/d3d/imageformats.h"
#include "libANGLE/renderer/d3d/copyimage.h"
namespace rx
{
typedef std::pair<GLenum, GLenum> FormatTypePair;
typedef std::pair<FormatTypePair, ColorWriteFunction> FormatWriteFunctionPair;
typedef std::map<FormatTypePair, ColorWriteFunction> FormatWriteFunctionMap;
static inline void InsertFormatWriteFunctionMapping(FormatWriteFunctionMap *map, GLenum format, GLenum type,
ColorWriteFunction writeFunc)
{
map->insert(FormatWriteFunctionPair(FormatTypePair(format, type), writeFunc));
}
static FormatWriteFunctionMap BuildFormatWriteFunctionMap()
{
FormatWriteFunctionMap map;
// | Format | Type | Color write function |
InsertFormatWriteFunctionMapping(&map, GL_RGBA, GL_UNSIGNED_BYTE, WriteColor<R8G8B8A8, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RGBA, GL_BYTE, WriteColor<R8G8B8A8S, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, WriteColor<R4G4B4A4, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, WriteColor<R5G5B5A1, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, WriteColor<R10G10B10A2, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RGBA, GL_FLOAT, WriteColor<R32G32B32A32F, GLfloat>);
InsertFormatWriteFunctionMapping(&map, GL_RGBA, GL_HALF_FLOAT, WriteColor<R16G16B16A16F, GLfloat>);
InsertFormatWriteFunctionMapping(&map, GL_RGBA, GL_HALF_FLOAT_OES, WriteColor<R16G16B16A16F, GLfloat>);
InsertFormatWriteFunctionMapping(&map, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, WriteColor<R8G8B8A8, GLuint> );
InsertFormatWriteFunctionMapping(&map, GL_RGBA_INTEGER, GL_BYTE, WriteColor<R8G8B8A8S, GLint> );
InsertFormatWriteFunctionMapping(&map, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, WriteColor<R16G16B16A16, GLuint> );
InsertFormatWriteFunctionMapping(&map, GL_RGBA_INTEGER, GL_SHORT, WriteColor<R16G16B16A16S, GLint> );
InsertFormatWriteFunctionMapping(&map, GL_RGBA_INTEGER, GL_UNSIGNED_INT, WriteColor<R32G32B32A32, GLuint> );
InsertFormatWriteFunctionMapping(&map, GL_RGBA_INTEGER, GL_INT, WriteColor<R32G32B32A32S, GLint> );
InsertFormatWriteFunctionMapping(&map, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, WriteColor<R10G10B10A2, GLuint> );
InsertFormatWriteFunctionMapping(&map, GL_RGB, GL_UNSIGNED_BYTE, WriteColor<R8G8B8, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RGB, GL_BYTE, WriteColor<R8G8B8S, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, WriteColor<R5G6B5, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, WriteColor<R11G11B10F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, WriteColor<R9G9B9E5, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RGB, GL_FLOAT, WriteColor<R32G32B32F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RGB, GL_HALF_FLOAT, WriteColor<R16G16B16F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RGB, GL_HALF_FLOAT_OES, WriteColor<R16G16B16F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, WriteColor<R8G8B8, GLuint> );
InsertFormatWriteFunctionMapping(&map, GL_RGB_INTEGER, GL_BYTE, WriteColor<R8G8B8S, GLint> );
InsertFormatWriteFunctionMapping(&map, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, WriteColor<R16G16B16, GLuint> );
InsertFormatWriteFunctionMapping(&map, GL_RGB_INTEGER, GL_SHORT, WriteColor<R16G16B16S, GLint> );
InsertFormatWriteFunctionMapping(&map, GL_RGB_INTEGER, GL_UNSIGNED_INT, WriteColor<R32G32B32, GLuint> );
InsertFormatWriteFunctionMapping(&map, GL_RGB_INTEGER, GL_INT, WriteColor<R32G32B32S, GLint> );
InsertFormatWriteFunctionMapping(&map, GL_RG, GL_UNSIGNED_BYTE, WriteColor<R8G8, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RG, GL_BYTE, WriteColor<R8G8S, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RG, GL_FLOAT, WriteColor<R32G32F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RG, GL_HALF_FLOAT, WriteColor<R16G16F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RG, GL_HALF_FLOAT_OES, WriteColor<R16G16F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RG_INTEGER, GL_UNSIGNED_BYTE, WriteColor<R8G8, GLuint> );
InsertFormatWriteFunctionMapping(&map, GL_RG_INTEGER, GL_BYTE, WriteColor<R8G8S, GLint> );
InsertFormatWriteFunctionMapping(&map, GL_RG_INTEGER, GL_UNSIGNED_SHORT, WriteColor<R16G16, GLuint> );
InsertFormatWriteFunctionMapping(&map, GL_RG_INTEGER, GL_SHORT, WriteColor<R16G16S, GLint> );
InsertFormatWriteFunctionMapping(&map, GL_RG_INTEGER, GL_UNSIGNED_INT, WriteColor<R32G32, GLuint> );
InsertFormatWriteFunctionMapping(&map, GL_RG_INTEGER, GL_INT, WriteColor<R32G32S, GLint> );
InsertFormatWriteFunctionMapping(&map, GL_RED, GL_UNSIGNED_BYTE, WriteColor<R8, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RED, GL_BYTE, WriteColor<R8S, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RED, GL_FLOAT, WriteColor<R32F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RED, GL_HALF_FLOAT, WriteColor<R16F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RED, GL_HALF_FLOAT_OES, WriteColor<R16F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_RED_INTEGER, GL_UNSIGNED_BYTE, WriteColor<R8, GLuint> );
InsertFormatWriteFunctionMapping(&map, GL_RED_INTEGER, GL_BYTE, WriteColor<R8S, GLint> );
InsertFormatWriteFunctionMapping(&map, GL_RED_INTEGER, GL_UNSIGNED_SHORT, WriteColor<R16, GLuint> );
InsertFormatWriteFunctionMapping(&map, GL_RED_INTEGER, GL_SHORT, WriteColor<R16S, GLint> );
InsertFormatWriteFunctionMapping(&map, GL_RED_INTEGER, GL_UNSIGNED_INT, WriteColor<R32, GLuint> );
InsertFormatWriteFunctionMapping(&map, GL_RED_INTEGER, GL_INT, WriteColor<R32S, GLint> );
InsertFormatWriteFunctionMapping(&map, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, WriteColor<L8A8, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_LUMINANCE, GL_UNSIGNED_BYTE, WriteColor<L8, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_ALPHA, GL_UNSIGNED_BYTE, WriteColor<A8, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_LUMINANCE_ALPHA, GL_FLOAT, WriteColor<L32A32F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_LUMINANCE, GL_FLOAT, WriteColor<L32F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_ALPHA, GL_FLOAT, WriteColor<A32F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT, WriteColor<L16A16F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES, WriteColor<L16A16F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_LUMINANCE, GL_HALF_FLOAT, WriteColor<L16F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_LUMINANCE, GL_HALF_FLOAT_OES, WriteColor<L16F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_ALPHA, GL_HALF_FLOAT, WriteColor<A16F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_ALPHA, GL_HALF_FLOAT_OES, WriteColor<A16F, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_BGRA_EXT, GL_UNSIGNED_BYTE, WriteColor<B8G8R8A8, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_BGRA_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, WriteColor<B4G4R4A4, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_BGRA_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, WriteColor<B5G5R5A1, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_SRGB_EXT, GL_UNSIGNED_BYTE, WriteColor<R8G8B8, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_SRGB_ALPHA_EXT, GL_UNSIGNED_BYTE, WriteColor<R8G8B8A8, GLfloat> );
InsertFormatWriteFunctionMapping(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, NULL );
InsertFormatWriteFunctionMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, NULL );
InsertFormatWriteFunctionMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE, NULL );
InsertFormatWriteFunctionMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE, NULL );
InsertFormatWriteFunctionMapping(&map, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, NULL );
InsertFormatWriteFunctionMapping(&map, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, NULL );
InsertFormatWriteFunctionMapping(&map, GL_DEPTH_COMPONENT, GL_FLOAT, NULL );
InsertFormatWriteFunctionMapping(&map, GL_STENCIL, GL_UNSIGNED_BYTE, NULL );
InsertFormatWriteFunctionMapping(&map, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, NULL );
InsertFormatWriteFunctionMapping(&map, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, NULL );
return map;
}
ColorWriteFunction GetColorWriteFunction(GLenum format, GLenum type)
{
static const FormatWriteFunctionMap formatTypeMap = BuildFormatWriteFunctionMap();
FormatWriteFunctionMap::const_iterator iter = formatTypeMap.find(FormatTypePair(format, type));
ASSERT(iter != formatTypeMap.end());
if (iter != formatTypeMap.end())
{
return iter->second;
}
else
{
return NULL;
}
}
}
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