#include "precompiled.h"
//
-// Copyright (c) 2013 The ANGLE Project Authors. All rights reserved.
+// 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.
//
// can decide the true, sized, internal format. The ES2FormatMap determines the internal format for all valid
// format and type combinations.
-struct FormatTypeInfo
+FormatType::FormatType()
+ : internalFormat(GL_NONE),
+ colorWriteFunction(NULL)
{
- GLenum mInternalFormat;
- ColorWriteFunction mColorWriteFunction;
-
- FormatTypeInfo(GLenum internalFormat, ColorWriteFunction writeFunc)
- : mInternalFormat(internalFormat), mColorWriteFunction(writeFunc)
- { }
-};
+}
typedef std::pair<GLenum, GLenum> FormatTypePair;
-typedef std::pair<FormatTypePair, FormatTypeInfo> FormatPair;
-typedef std::map<FormatTypePair, FormatTypeInfo> FormatMap;
+typedef std::pair<FormatTypePair, FormatType> FormatPair;
+typedef std::map<FormatTypePair, FormatType> FormatMap;
// A helper function to insert data into the format map with fewer characters.
static inline void InsertFormatMapping(FormatMap *map, GLenum format, GLenum type, GLenum internalFormat, ColorWriteFunction writeFunc)
{
- map->insert(FormatPair(FormatTypePair(format, type), FormatTypeInfo(internalFormat, writeFunc)));
-}
-
-FormatMap BuildES2FormatMap()
-{
- FormatMap map;
-
- using namespace rx;
-
- // | Format | Type | Internal format | Color write function |
- InsertFormatMapping(&map, GL_ALPHA, GL_UNSIGNED_BYTE, GL_ALPHA8_EXT, WriteColor<A8, GLfloat> );
- InsertFormatMapping(&map, GL_ALPHA, GL_FLOAT, GL_ALPHA32F_EXT, WriteColor<A32F, GLfloat> );
- InsertFormatMapping(&map, GL_ALPHA, GL_HALF_FLOAT_OES, GL_ALPHA16F_EXT, WriteColor<A16F, GLfloat> );
-
- InsertFormatMapping(&map, GL_LUMINANCE, GL_UNSIGNED_BYTE, GL_LUMINANCE8_EXT, WriteColor<L8, GLfloat> );
- InsertFormatMapping(&map, GL_LUMINANCE, GL_FLOAT, GL_LUMINANCE32F_EXT, WriteColor<L32F, GLfloat> );
- InsertFormatMapping(&map, GL_LUMINANCE, GL_HALF_FLOAT_OES, GL_LUMINANCE16F_EXT, WriteColor<L16F, GLfloat> );
-
- InsertFormatMapping(&map, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, GL_LUMINANCE8_ALPHA8_EXT, WriteColor<L8A8, GLfloat> );
- InsertFormatMapping(&map, GL_LUMINANCE_ALPHA, GL_FLOAT, GL_LUMINANCE_ALPHA32F_EXT, WriteColor<L32A32F, GLfloat> );
- InsertFormatMapping(&map, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES, GL_LUMINANCE_ALPHA16F_EXT, WriteColor<L16A16F, GLfloat> );
-
- InsertFormatMapping(&map, GL_RED, GL_UNSIGNED_BYTE, GL_R8_EXT, WriteColor<R8, GLfloat> );
- InsertFormatMapping(&map, GL_RED, GL_FLOAT, GL_R32F_EXT, WriteColor<R32F, GLfloat> );
- InsertFormatMapping(&map, GL_RED, GL_HALF_FLOAT_OES, GL_R16F_EXT, WriteColor<R16F, GLfloat> );
-
- InsertFormatMapping(&map, GL_RG, GL_UNSIGNED_BYTE, GL_RG8_EXT, WriteColor<R8G8, GLfloat> );
- InsertFormatMapping(&map, GL_RG, GL_FLOAT, GL_RG32F_EXT, WriteColor<R32G32F, GLfloat> );
- InsertFormatMapping(&map, GL_RG, GL_HALF_FLOAT_OES, GL_RG16F_EXT, WriteColor<R16G16F, GLfloat> );
-
- InsertFormatMapping(&map, GL_RGB, GL_UNSIGNED_BYTE, GL_RGB8_OES, WriteColor<R8G8B8, GLfloat> );
- InsertFormatMapping(&map, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, GL_RGB565, WriteColor<R5G6B5, GLfloat> );
- InsertFormatMapping(&map, GL_RGB, GL_FLOAT, GL_RGB32F_EXT, WriteColor<R32G32B32F, GLfloat> );
- InsertFormatMapping(&map, GL_RGB, GL_HALF_FLOAT_OES, GL_RGB16F_EXT, WriteColor<R16G16B16F, GLfloat> );
-
- InsertFormatMapping(&map, GL_RGBA, GL_UNSIGNED_BYTE, GL_RGBA8_OES, WriteColor<R8G8B8A8, GLfloat> );
- InsertFormatMapping(&map, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, GL_RGBA4, WriteColor<R4G4B4A4, GLfloat> );
- InsertFormatMapping(&map, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, GL_RGB5_A1, WriteColor<R5G5B5A1, GLfloat> );
- InsertFormatMapping(&map, GL_RGBA, GL_FLOAT, GL_RGBA32F_EXT, WriteColor<R32G32B32A32F, GLfloat>);
- InsertFormatMapping(&map, GL_RGBA, GL_HALF_FLOAT_OES, GL_RGBA16F_EXT, WriteColor<R16G16B16A16F, GLfloat>);
-
- InsertFormatMapping(&map, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_BGRA8_EXT, WriteColor<B8G8R8A8, GLfloat> );
- InsertFormatMapping(&map, GL_BGRA_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, GL_BGRA4_ANGLEX, WriteColor<B4G4R4A4, GLfloat> );
- InsertFormatMapping(&map, GL_BGRA_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, GL_BGR5_A1_ANGLEX, WriteColor<B5G5R5A1, GLfloat> );
-
- InsertFormatMapping(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, NULL );
- InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, NULL );
- InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, NULL );
- InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, NULL );
-
- InsertFormatMapping(&map, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, GL_DEPTH_COMPONENT16, NULL );
- InsertFormatMapping(&map, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_DEPTH_COMPONENT32_OES, NULL );
-
- InsertFormatMapping(&map, GL_DEPTH_STENCIL_OES, GL_UNSIGNED_INT_24_8_OES, GL_DEPTH24_STENCIL8_OES, NULL );
-
- return map;
+ FormatType info;
+ info.internalFormat = internalFormat;
+ info.colorWriteFunction = writeFunc;
+ map->insert(FormatPair(FormatTypePair(format, type), info));
}
-FormatMap BuildES3FormatMap()
+FormatMap BuildFormatMap()
{
FormatMap map;
InsertFormatMapping(&map, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, GL_RGB10_A2, WriteColor<R10G10B10A2, GLfloat> );
InsertFormatMapping(&map, GL_RGBA, GL_FLOAT, GL_RGBA32F, WriteColor<R32G32B32A32F, GLfloat>);
InsertFormatMapping(&map, GL_RGBA, GL_HALF_FLOAT, GL_RGBA16F, WriteColor<R16G16B16A16F, GLfloat>);
+ InsertFormatMapping(&map, GL_RGBA, GL_HALF_FLOAT_OES, GL_RGBA16F, WriteColor<R16G16B16A16F, GLfloat>);
InsertFormatMapping(&map, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, GL_RGBA8UI, WriteColor<R8G8B8A8, GLuint> );
InsertFormatMapping(&map, GL_RGBA_INTEGER, GL_BYTE, GL_RGBA8I, WriteColor<R8G8B8A8S, GLint> );
InsertFormatMapping(&map, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, GL_RGB9_E5, WriteColor<R9G9B9E5, GLfloat> );
InsertFormatMapping(&map, GL_RGB, GL_FLOAT, GL_RGB32F, WriteColor<R32G32B32F, GLfloat> );
InsertFormatMapping(&map, GL_RGB, GL_HALF_FLOAT, GL_RGB16F, WriteColor<R16G16B16F, GLfloat> );
+ InsertFormatMapping(&map, GL_RGB, GL_HALF_FLOAT_OES, GL_RGB16F, WriteColor<R16G16B16F, GLfloat> );
InsertFormatMapping(&map, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, GL_RGB8UI, WriteColor<R8G8B8, GLuint> );
InsertFormatMapping(&map, GL_RGB_INTEGER, GL_BYTE, GL_RGB8I, WriteColor<R8G8B8S, GLint> );
InsertFormatMapping(&map, GL_RG, GL_BYTE, GL_RG8_SNORM, WriteColor<R8G8S, GLfloat> );
InsertFormatMapping(&map, GL_RG, GL_FLOAT, GL_RG32F, WriteColor<R32G32F, GLfloat> );
InsertFormatMapping(&map, GL_RG, GL_HALF_FLOAT, GL_RG16F, WriteColor<R16G16F, GLfloat> );
+ InsertFormatMapping(&map, GL_RG, GL_HALF_FLOAT_OES, GL_RG16F, WriteColor<R16G16F, GLfloat> );
InsertFormatMapping(&map, GL_RG_INTEGER, GL_UNSIGNED_BYTE, GL_RG8UI, WriteColor<R8G8, GLuint> );
InsertFormatMapping(&map, GL_RG_INTEGER, GL_BYTE, GL_RG8I, WriteColor<R8G8S, GLint> );
InsertFormatMapping(&map, GL_RED, GL_BYTE, GL_R8_SNORM, WriteColor<R8S, GLfloat> );
InsertFormatMapping(&map, GL_RED, GL_FLOAT, GL_R32F, WriteColor<R32F, GLfloat> );
InsertFormatMapping(&map, GL_RED, GL_HALF_FLOAT, GL_R16F, WriteColor<R16F, GLfloat> );
+ InsertFormatMapping(&map, GL_RED, GL_HALF_FLOAT_OES, GL_R16F, WriteColor<R16F, GLfloat> );
InsertFormatMapping(&map, GL_RED_INTEGER, GL_UNSIGNED_BYTE, GL_R8UI, WriteColor<R8, GLuint> );
InsertFormatMapping(&map, GL_RED_INTEGER, GL_BYTE, GL_R8I, WriteColor<R8S, GLint> );
InsertFormatMapping(&map, GL_LUMINANCE, GL_FLOAT, GL_LUMINANCE32F_EXT, WriteColor<L32F, GLfloat> );
InsertFormatMapping(&map, GL_ALPHA, GL_FLOAT, GL_ALPHA32F_EXT, WriteColor<A32F, GLfloat> );
InsertFormatMapping(&map, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT, GL_LUMINANCE_ALPHA16F_EXT, WriteColor<L16A16F, GLfloat> );
+ InsertFormatMapping(&map, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES, GL_LUMINANCE_ALPHA16F_EXT, WriteColor<L16A16F, GLfloat> );
InsertFormatMapping(&map, GL_LUMINANCE, GL_HALF_FLOAT, GL_LUMINANCE16F_EXT, WriteColor<L16F, GLfloat> );
+ InsertFormatMapping(&map, GL_LUMINANCE, GL_HALF_FLOAT_OES, GL_LUMINANCE16F_EXT, WriteColor<L16F, GLfloat> );
InsertFormatMapping(&map, GL_ALPHA, GL_HALF_FLOAT, GL_ALPHA16F_EXT, WriteColor<A16F, GLfloat> );
+ InsertFormatMapping(&map, GL_ALPHA, GL_HALF_FLOAT_OES, GL_ALPHA16F_EXT, WriteColor<A16F, GLfloat> );
InsertFormatMapping(&map, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_BGRA8_EXT, WriteColor<B8G8R8A8, GLfloat> );
InsertFormatMapping(&map, GL_BGRA_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, GL_BGRA4_ANGLEX, WriteColor<B4G4R4A4, GLfloat> );
InsertFormatMapping(&map, GL_BGRA_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, GL_BGR5_A1_ANGLEX, WriteColor<B5G5R5A1, GLfloat> );
+ InsertFormatMapping(&map, GL_SRGB_EXT, GL_UNSIGNED_BYTE, GL_SRGB8, WriteColor<R8G8B8, GLfloat> );
+ InsertFormatMapping(&map, GL_SRGB_ALPHA_EXT, GL_UNSIGNED_BYTE, GL_SRGB8_ALPHA8, WriteColor<R8G8B8A8, GLfloat> );
+
+ InsertFormatMapping(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, NULL );
+ InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, NULL );
+ InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, NULL );
+ InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, NULL );
+
InsertFormatMapping(&map, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, GL_DEPTH_COMPONENT16, NULL );
- InsertFormatMapping(&map, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_DEPTH_COMPONENT24, NULL );
+ InsertFormatMapping(&map, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_DEPTH_COMPONENT32_OES, NULL );
InsertFormatMapping(&map, GL_DEPTH_COMPONENT, GL_FLOAT, GL_DEPTH_COMPONENT32F, NULL );
+ InsertFormatMapping(&map, GL_STENCIL, GL_UNSIGNED_BYTE, GL_STENCIL_INDEX8, NULL );
+
InsertFormatMapping(&map, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, GL_DEPTH24_STENCIL8, NULL );
InsertFormatMapping(&map, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, GL_DEPTH32F_STENCIL8, NULL );
return map;
}
-static const FormatMap &GetFormatMap(GLuint clientVersion)
+Type::Type()
+ : bytes(0),
+ specialInterpretation(false)
{
- if (clientVersion == 2)
- {
- static const FormatMap formats = BuildES2FormatMap();
- return formats;
- }
- else if (clientVersion == 3)
- {
- static const FormatMap formats = BuildES3FormatMap();
- return formats;
- }
- else
- {
- UNREACHABLE();
- static FormatMap emptyMap;
- return emptyMap;
- }
}
-struct FormatInfo
-{
- GLenum mInternalformat;
- GLenum mFormat;
- GLenum mType;
-
- FormatInfo(GLenum internalformat, GLenum format, GLenum type)
- : mInternalformat(internalformat), mFormat(format), mType(type) { }
-
- bool operator<(const FormatInfo& other) const
- {
- return memcmp(this, &other, sizeof(FormatInfo)) < 0;
- }
-};
-
-// ES3 has a specific set of permutations of internal formats, formats and types which are acceptable.
-typedef std::set<FormatInfo> ES3FormatSet;
+// Map of sizes of input types
+typedef std::pair<GLenum, Type> TypeInfoPair;
+typedef std::map<GLenum, Type> TypeInfoMap;
-ES3FormatSet BuildES3FormatSet()
+static inline void InsertTypeInfo(TypeInfoMap *map, GLenum type, GLuint bytes, bool specialInterpretation)
{
- ES3FormatSet set;
-
- // Format combinations from ES 3.0.1 spec, table 3.2
-
- // | Internal format | Format | Type |
- // | | | |
- set.insert(FormatInfo(GL_RGBA8, GL_RGBA, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_RGBA4, GL_RGBA, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_SRGB8_ALPHA8, GL_RGBA, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_RGBA8_SNORM, GL_RGBA, GL_BYTE ));
- set.insert(FormatInfo(GL_RGBA4, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4 ));
- set.insert(FormatInfo(GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV ));
- set.insert(FormatInfo(GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV ));
- set.insert(FormatInfo(GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1 ));
- set.insert(FormatInfo(GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT ));
- set.insert(FormatInfo(GL_RGBA32F, GL_RGBA, GL_FLOAT ));
- set.insert(FormatInfo(GL_RGBA16F, GL_RGBA, GL_FLOAT ));
- set.insert(FormatInfo(GL_RGBA8UI, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_RGBA8I, GL_RGBA_INTEGER, GL_BYTE ));
- set.insert(FormatInfo(GL_RGBA16UI, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT ));
- set.insert(FormatInfo(GL_RGBA16I, GL_RGBA_INTEGER, GL_SHORT ));
- set.insert(FormatInfo(GL_RGBA32UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT ));
- set.insert(FormatInfo(GL_RGBA32I, GL_RGBA_INTEGER, GL_INT ));
- set.insert(FormatInfo(GL_RGB10_A2UI, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV ));
- set.insert(FormatInfo(GL_RGB8, GL_RGB, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_RGB565, GL_RGB, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_SRGB8, GL_RGB, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_RGB8_SNORM, GL_RGB, GL_BYTE ));
- set.insert(FormatInfo(GL_RGB565, GL_RGB, GL_UNSIGNED_SHORT_5_6_5 ));
- set.insert(FormatInfo(GL_R11F_G11F_B10F, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV ));
- set.insert(FormatInfo(GL_RGB9_E5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV ));
- set.insert(FormatInfo(GL_RGB16F, GL_RGB, GL_HALF_FLOAT ));
- set.insert(FormatInfo(GL_R11F_G11F_B10F, GL_RGB, GL_HALF_FLOAT ));
- set.insert(FormatInfo(GL_RGB9_E5, GL_RGB, GL_HALF_FLOAT ));
- set.insert(FormatInfo(GL_RGB32F, GL_RGB, GL_FLOAT ));
- set.insert(FormatInfo(GL_RGB16F, GL_RGB, GL_FLOAT ));
- set.insert(FormatInfo(GL_R11F_G11F_B10F, GL_RGB, GL_FLOAT ));
- set.insert(FormatInfo(GL_RGB9_E5, GL_RGB, GL_FLOAT ));
- set.insert(FormatInfo(GL_RGB8UI, GL_RGB_INTEGER, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_RGB8I, GL_RGB_INTEGER, GL_BYTE ));
- set.insert(FormatInfo(GL_RGB16UI, GL_RGB_INTEGER, GL_UNSIGNED_SHORT ));
- set.insert(FormatInfo(GL_RGB16I, GL_RGB_INTEGER, GL_SHORT ));
- set.insert(FormatInfo(GL_RGB32UI, GL_RGB_INTEGER, GL_UNSIGNED_INT ));
- set.insert(FormatInfo(GL_RGB32I, GL_RGB_INTEGER, GL_INT ));
- set.insert(FormatInfo(GL_RG8, GL_RG, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_RG8_SNORM, GL_RG, GL_BYTE ));
- set.insert(FormatInfo(GL_RG16F, GL_RG, GL_HALF_FLOAT ));
- set.insert(FormatInfo(GL_RG32F, GL_RG, GL_FLOAT ));
- set.insert(FormatInfo(GL_RG16F, GL_RG, GL_FLOAT ));
- set.insert(FormatInfo(GL_RG8UI, GL_RG_INTEGER, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_RG8I, GL_RG_INTEGER, GL_BYTE ));
- set.insert(FormatInfo(GL_RG16UI, GL_RG_INTEGER, GL_UNSIGNED_SHORT ));
- set.insert(FormatInfo(GL_RG16I, GL_RG_INTEGER, GL_SHORT ));
- set.insert(FormatInfo(GL_RG32UI, GL_RG_INTEGER, GL_UNSIGNED_INT ));
- set.insert(FormatInfo(GL_RG32I, GL_RG_INTEGER, GL_INT ));
- set.insert(FormatInfo(GL_R8, GL_RED, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_R8_SNORM, GL_RED, GL_BYTE ));
- set.insert(FormatInfo(GL_R16F, GL_RED, GL_HALF_FLOAT ));
- set.insert(FormatInfo(GL_R32F, GL_RED, GL_FLOAT ));
- set.insert(FormatInfo(GL_R16F, GL_RED, GL_FLOAT ));
- set.insert(FormatInfo(GL_R8UI, GL_RED_INTEGER, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_R8I, GL_RED_INTEGER, GL_BYTE ));
- set.insert(FormatInfo(GL_R16UI, GL_RED_INTEGER, GL_UNSIGNED_SHORT ));
- set.insert(FormatInfo(GL_R16I, GL_RED_INTEGER, GL_SHORT ));
- set.insert(FormatInfo(GL_R32UI, GL_RED_INTEGER, GL_UNSIGNED_INT ));
- set.insert(FormatInfo(GL_R32I, GL_RED_INTEGER, GL_INT ));
-
- // Unsized formats
- set.insert(FormatInfo(GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4 ));
- set.insert(FormatInfo(GL_RGBA, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1 ));
- set.insert(FormatInfo(GL_RGB, GL_RGB, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_RGB, GL_RGB, GL_UNSIGNED_SHORT_5_6_5 ));
- set.insert(FormatInfo(GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_ALPHA, GL_ALPHA, GL_UNSIGNED_BYTE ));
-
- // Depth stencil formats
- set.insert(FormatInfo(GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT ));
- set.insert(FormatInfo(GL_DEPTH_COMPONENT24, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT ));
- set.insert(FormatInfo(GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT ));
- set.insert(FormatInfo(GL_DEPTH_COMPONENT32F, GL_DEPTH_COMPONENT, GL_FLOAT ));
- set.insert(FormatInfo(GL_DEPTH24_STENCIL8, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8 ));
- set.insert(FormatInfo(GL_DEPTH32F_STENCIL8, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV));
-
- // From GL_OES_texture_float
- set.insert(FormatInfo(GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_FLOAT ));
- set.insert(FormatInfo(GL_LUMINANCE, GL_LUMINANCE, GL_FLOAT ));
- set.insert(FormatInfo(GL_ALPHA, GL_ALPHA, GL_FLOAT ));
-
- // From GL_OES_texture_half_float
- set.insert(FormatInfo(GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT ));
- set.insert(FormatInfo(GL_LUMINANCE, GL_LUMINANCE, GL_HALF_FLOAT ));
- set.insert(FormatInfo(GL_ALPHA, GL_ALPHA, GL_HALF_FLOAT ));
-
- // From GL_EXT_texture_format_BGRA8888
- set.insert(FormatInfo(GL_BGRA_EXT, GL_BGRA_EXT, GL_UNSIGNED_BYTE ));
-
- // From GL_EXT_texture_storage
- // | Internal format | Format | Type |
- // | | | |
- set.insert(FormatInfo(GL_ALPHA8_EXT, GL_ALPHA, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_LUMINANCE8_EXT, GL_LUMINANCE, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_LUMINANCE8_ALPHA8_EXT, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_ALPHA32F_EXT, GL_ALPHA, GL_FLOAT ));
- set.insert(FormatInfo(GL_LUMINANCE32F_EXT, GL_LUMINANCE, GL_FLOAT ));
- set.insert(FormatInfo(GL_LUMINANCE_ALPHA32F_EXT, GL_LUMINANCE_ALPHA, GL_FLOAT ));
- set.insert(FormatInfo(GL_ALPHA16F_EXT, GL_ALPHA, GL_HALF_FLOAT ));
- set.insert(FormatInfo(GL_LUMINANCE16F_EXT, GL_LUMINANCE, GL_HALF_FLOAT ));
- set.insert(FormatInfo(GL_LUMINANCE_ALPHA16F_EXT, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT ));
-
- // From GL_EXT_texture_storage and GL_EXT_texture_format_BGRA8888
- set.insert(FormatInfo(GL_BGRA8_EXT, GL_BGRA_EXT, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_BGRA4_ANGLEX, GL_BGRA_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT));
- set.insert(FormatInfo(GL_BGRA4_ANGLEX, GL_BGRA_EXT, GL_UNSIGNED_BYTE ));
- set.insert(FormatInfo(GL_BGR5_A1_ANGLEX, GL_BGRA_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT));
- set.insert(FormatInfo(GL_BGR5_A1_ANGLEX, GL_BGRA_EXT, GL_UNSIGNED_BYTE ));
-
- // From GL_ANGLE_depth_texture
- set.insert(FormatInfo(GL_DEPTH_COMPONENT32_OES, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT_24_8_OES ));
-
- // Compressed formats
- // From ES 3.0.1 spec, table 3.16
- // | Internal format | Format | Type |
- // | | | |
- set.insert(FormatInfo(GL_COMPRESSED_R11_EAC, GL_COMPRESSED_R11_EAC, GL_UNSIGNED_BYTE));
- set.insert(FormatInfo(GL_COMPRESSED_R11_EAC, GL_COMPRESSED_R11_EAC, GL_UNSIGNED_BYTE));
- set.insert(FormatInfo(GL_COMPRESSED_SIGNED_R11_EAC, GL_COMPRESSED_SIGNED_R11_EAC, GL_UNSIGNED_BYTE));
- set.insert(FormatInfo(GL_COMPRESSED_RG11_EAC, GL_COMPRESSED_RG11_EAC, GL_UNSIGNED_BYTE));
- set.insert(FormatInfo(GL_COMPRESSED_SIGNED_RG11_EAC, GL_COMPRESSED_SIGNED_RG11_EAC, GL_UNSIGNED_BYTE));
- set.insert(FormatInfo(GL_COMPRESSED_RGB8_ETC2, GL_COMPRESSED_RGB8_ETC2, GL_UNSIGNED_BYTE));
- set.insert(FormatInfo(GL_COMPRESSED_SRGB8_ETC2, GL_COMPRESSED_SRGB8_ETC2, GL_UNSIGNED_BYTE));
- set.insert(FormatInfo(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE));
- set.insert(FormatInfo(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE));
- set.insert(FormatInfo(GL_COMPRESSED_RGBA8_ETC2_EAC, GL_COMPRESSED_RGBA8_ETC2_EAC, GL_UNSIGNED_BYTE));
- set.insert(FormatInfo(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, GL_UNSIGNED_BYTE));
-
-
- // From GL_EXT_texture_compression_dxt1
- set.insert(FormatInfo(GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE));
- set.insert(FormatInfo(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE));
+ Type info;
+ info.bytes = bytes;
+ info.specialInterpretation = specialInterpretation;
- // From GL_ANGLE_texture_compression_dxt3
- set.insert(FormatInfo(GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE));
-
- // From GL_ANGLE_texture_compression_dxt5
- set.insert(FormatInfo(GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE));
-
- return set;
+ map->insert(std::make_pair(type, info));
}
-static const ES3FormatSet &GetES3FormatSet()
+bool operator<(const Type& a, const Type& b)
{
- static const ES3FormatSet es3FormatSet = BuildES3FormatSet();
- return es3FormatSet;
+ return memcmp(&a, &b, sizeof(Type)) < 0;
}
-// Map of sizes of input types
-struct TypeInfo
-{
- GLuint mTypeBytes;
- bool mSpecialInterpretation;
-
- TypeInfo()
- : mTypeBytes(0), mSpecialInterpretation(false) { }
-
- TypeInfo(GLuint typeBytes, bool specialInterpretation)
- : mTypeBytes(typeBytes), mSpecialInterpretation(specialInterpretation) { }
-
- bool operator<(const TypeInfo& other) const
- {
- return memcmp(this, &other, sizeof(TypeInfo)) < 0;
- }
-};
-
-typedef std::pair<GLenum, TypeInfo> TypeInfoPair;
-typedef std::map<GLenum, TypeInfo> TypeInfoMap;
-
static TypeInfoMap BuildTypeInfoMap()
{
TypeInfoMap map;
- map.insert(TypeInfoPair(GL_UNSIGNED_BYTE, TypeInfo( 1, false)));
- map.insert(TypeInfoPair(GL_BYTE, TypeInfo( 1, false)));
- map.insert(TypeInfoPair(GL_UNSIGNED_SHORT, TypeInfo( 2, false)));
- map.insert(TypeInfoPair(GL_SHORT, TypeInfo( 2, false)));
- map.insert(TypeInfoPair(GL_UNSIGNED_INT, TypeInfo( 4, false)));
- map.insert(TypeInfoPair(GL_INT, TypeInfo( 4, false)));
- map.insert(TypeInfoPair(GL_HALF_FLOAT, TypeInfo( 2, false)));
- map.insert(TypeInfoPair(GL_HALF_FLOAT_OES, TypeInfo( 2, false)));
- map.insert(TypeInfoPair(GL_FLOAT, TypeInfo( 4, false)));
- map.insert(TypeInfoPair(GL_UNSIGNED_SHORT_5_6_5, TypeInfo( 2, true )));
- map.insert(TypeInfoPair(GL_UNSIGNED_SHORT_4_4_4_4, TypeInfo( 2, true )));
- map.insert(TypeInfoPair(GL_UNSIGNED_SHORT_5_5_5_1, TypeInfo( 2, true )));
- map.insert(TypeInfoPair(GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, TypeInfo( 2, true )));
- map.insert(TypeInfoPair(GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, TypeInfo( 2, true )));
- map.insert(TypeInfoPair(GL_UNSIGNED_INT_2_10_10_10_REV, TypeInfo( 4, true )));
- map.insert(TypeInfoPair(GL_UNSIGNED_INT_24_8, TypeInfo( 4, true )));
- map.insert(TypeInfoPair(GL_UNSIGNED_INT_10F_11F_11F_REV, TypeInfo( 4, true )));
- map.insert(TypeInfoPair(GL_UNSIGNED_INT_5_9_9_9_REV, TypeInfo( 4, true )));
- map.insert(TypeInfoPair(GL_UNSIGNED_INT_24_8_OES, TypeInfo( 4, true )));
- map.insert(TypeInfoPair(GL_FLOAT_32_UNSIGNED_INT_24_8_REV, TypeInfo( 8, true )));
+ InsertTypeInfo(&map, GL_UNSIGNED_BYTE, 1, false);
+ InsertTypeInfo(&map, GL_BYTE, 1, false);
+ InsertTypeInfo(&map, GL_UNSIGNED_SHORT, 2, false);
+ InsertTypeInfo(&map, GL_SHORT, 2, false);
+ InsertTypeInfo(&map, GL_UNSIGNED_INT, 4, false);
+ InsertTypeInfo(&map, GL_INT, 4, false);
+ InsertTypeInfo(&map, GL_HALF_FLOAT, 2, false);
+ InsertTypeInfo(&map, GL_HALF_FLOAT_OES, 2, false);
+ InsertTypeInfo(&map, GL_FLOAT, 4, false);
+ InsertTypeInfo(&map, GL_UNSIGNED_SHORT_5_6_5, 2, true );
+ InsertTypeInfo(&map, GL_UNSIGNED_SHORT_4_4_4_4, 2, true );
+ InsertTypeInfo(&map, GL_UNSIGNED_SHORT_5_5_5_1, 2, true );
+ InsertTypeInfo(&map, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, 2, true );
+ InsertTypeInfo(&map, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, 2, true );
+ InsertTypeInfo(&map, GL_UNSIGNED_INT_2_10_10_10_REV, 4, true );
+ InsertTypeInfo(&map, GL_UNSIGNED_INT_24_8, 4, true );
+ InsertTypeInfo(&map, GL_UNSIGNED_INT_10F_11F_11F_REV, 4, true );
+ InsertTypeInfo(&map, GL_UNSIGNED_INT_5_9_9_9_REV, 4, true );
+ InsertTypeInfo(&map, GL_UNSIGNED_INT_24_8_OES, 4, true );
+ InsertTypeInfo(&map, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, 8, true );
return map;
}
-static bool GetTypeInfo(GLenum type, TypeInfo *outTypeInfo)
-{
- static const TypeInfoMap infoMap = BuildTypeInfoMap();
- TypeInfoMap::const_iterator iter = infoMap.find(type);
- if (iter != infoMap.end())
- {
- if (outTypeInfo)
- {
- *outTypeInfo = iter->second;
- }
- return true;
- }
- else
- {
- return false;
- }
-}
-
// Information about internal formats
-typedef bool ((Context::*ContextSupportCheckMemberFunction)(void) const);
-typedef bool (*ContextSupportCheckFunction)(const Context *context);
-
-typedef bool ((rx::Renderer::*RendererSupportCheckMemberFunction)(void) const);
-typedef bool (*ContextRendererSupportCheckFunction)(const Context *context, const rx::Renderer *renderer);
-
-template <ContextSupportCheckMemberFunction func>
-bool CheckSupport(const Context *context)
-{
- return (context->*func)();
-}
-
-template <ContextSupportCheckMemberFunction contextFunc, RendererSupportCheckMemberFunction rendererFunc>
-bool CheckSupport(const Context *context, const rx::Renderer *renderer)
-{
- if (context)
- {
- return (context->*contextFunc)();
- }
- else if (renderer)
- {
- return (renderer->*rendererFunc)();
- }
- else
- {
- UNREACHABLE();
- return false;
- }
-}
-
-template <typename objectType>
-bool AlwaysSupported(const objectType*)
-{
- return true;
-}
-
-template <typename objectTypeA, typename objectTypeB>
-bool AlwaysSupported(const objectTypeA*, const objectTypeB*)
+static bool AlwaysSupported(GLuint, const Extensions &)
{
return true;
}
-template <typename objectType>
-bool NeverSupported(const objectType*)
+static bool UnimplementedSupport(GLuint, const Extensions &)
{
return false;
}
-template <typename objectTypeA, typename objectTypeB>
-bool NeverSupported(const objectTypeA *, const objectTypeB *)
+static bool NeverSupported(GLuint, const Extensions &)
{
return false;
}
-template <typename objectType>
-bool UnimplementedSupport(const objectType*)
+template <GLuint minCoreGLVersion>
+static bool RequireESVersion(GLuint clientVersion, const Extensions &)
{
- UNIMPLEMENTED();
- return false;
+ return clientVersion >= minCoreGLVersion;
}
-template <typename objectTypeA, typename objectTypeB>
-bool UnimplementedSupport(const objectTypeA*, const objectTypeB*)
-{
- UNIMPLEMENTED();
- return false;
-}
+// Pointer to a boolean memeber of the Extensions struct
+typedef bool(Extensions::*ExtensionBool);
-struct InternalFormatInfo
+// Check support for a single extension
+template <ExtensionBool bool1>
+static bool RequireExtension(GLuint, const Extensions & extensions)
{
- GLuint mRedBits;
- GLuint mGreenBits;
- GLuint mBlueBits;
-
- GLuint mLuminanceBits;
-
- GLuint mAlphaBits;
- GLuint mSharedBits;
-
- GLuint mDepthBits;
- GLuint mStencilBits;
-
- GLuint mPixelBits;
-
- GLuint mComponentCount;
-
- GLuint mCompressedBlockWidth;
- GLuint mCompressedBlockHeight;
-
- GLenum mFormat;
- GLenum mType;
-
- GLenum mComponentType;
- GLenum mColorEncoding;
-
- bool mIsCompressed;
-
- ContextRendererSupportCheckFunction mIsColorRenderable;
- ContextRendererSupportCheckFunction mIsDepthRenderable;
- ContextRendererSupportCheckFunction mIsStencilRenderable;
- ContextRendererSupportCheckFunction mIsTextureFilterable;
-
- ContextSupportCheckFunction mSupportFunction;
-
- InternalFormatInfo() : mRedBits(0), mGreenBits(0), mBlueBits(0), mLuminanceBits(0), mAlphaBits(0), mSharedBits(0), mDepthBits(0), mStencilBits(0),
- mPixelBits(0), mComponentCount(0), mCompressedBlockWidth(0), mCompressedBlockHeight(0), mFormat(GL_NONE), mType(GL_NONE),
- mComponentType(GL_NONE), mColorEncoding(GL_NONE), mIsCompressed(false), mIsColorRenderable(NeverSupported),
- mIsDepthRenderable(NeverSupported), mIsStencilRenderable(NeverSupported), mIsTextureFilterable(NeverSupported),
- mSupportFunction(NeverSupported)
- {
- }
-
- static InternalFormatInfo UnsizedFormat(GLenum format, ContextSupportCheckFunction supportFunction)
- {
- InternalFormatInfo formatInfo;
- formatInfo.mFormat = format;
- formatInfo.mSupportFunction = supportFunction;
-
- if (format == GL_RGB || format == GL_RGBA)
- formatInfo.mIsColorRenderable = AlwaysSupported;
-
- return formatInfo;
- }
-
- static InternalFormatInfo RGBAFormat(GLuint red, GLuint green, GLuint blue, GLuint alpha, GLuint shared,
- GLenum format, GLenum type, GLenum componentType, bool srgb,
- ContextRendererSupportCheckFunction colorRenderable,
- ContextRendererSupportCheckFunction textureFilterable,
- ContextSupportCheckFunction supportFunction)
- {
- InternalFormatInfo formatInfo;
- formatInfo.mRedBits = red;
- formatInfo.mGreenBits = green;
- formatInfo.mBlueBits = blue;
- formatInfo.mAlphaBits = alpha;
- formatInfo.mSharedBits = shared;
- formatInfo.mPixelBits = red + green + blue + alpha + shared;
- formatInfo.mComponentCount = ((red > 0) ? 1 : 0) + ((green > 0) ? 1 : 0) + ((blue > 0) ? 1 : 0) + ((alpha > 0) ? 1 : 0);
- formatInfo.mFormat = format;
- formatInfo.mType = type;
- formatInfo.mComponentType = componentType;
- formatInfo.mColorEncoding = (srgb ? GL_SRGB : GL_LINEAR);
- formatInfo.mIsColorRenderable = colorRenderable;
- formatInfo.mIsTextureFilterable = textureFilterable;
- formatInfo.mSupportFunction = supportFunction;
- return formatInfo;
- }
-
- static InternalFormatInfo LUMAFormat(GLuint luminance, GLuint alpha, GLenum format, GLenum type, GLenum componentType,
- ContextSupportCheckFunction supportFunction)
- {
- InternalFormatInfo formatInfo;
- formatInfo.mLuminanceBits = luminance;
- formatInfo.mAlphaBits = alpha;
- formatInfo.mPixelBits = luminance + alpha;
- formatInfo.mComponentCount = ((luminance > 0) ? 1 : 0) + ((alpha > 0) ? 1 : 0);
- formatInfo.mFormat = format;
- formatInfo.mType = type;
- formatInfo.mComponentType = componentType;
- formatInfo.mColorEncoding = GL_LINEAR;
- formatInfo.mIsTextureFilterable = AlwaysSupported;
- formatInfo.mSupportFunction = supportFunction;
- return formatInfo;
- }
-
- static InternalFormatInfo DepthStencilFormat(GLuint depthBits, GLuint stencilBits, GLuint unusedBits, GLenum format,
- GLenum type, GLenum componentType,
- ContextRendererSupportCheckFunction depthRenderable,
- ContextRendererSupportCheckFunction stencilRenderable,
- ContextSupportCheckFunction supportFunction)
- {
- InternalFormatInfo formatInfo;
- formatInfo.mDepthBits = depthBits;
- formatInfo.mStencilBits = stencilBits;
- formatInfo.mPixelBits = depthBits + stencilBits + unusedBits;
- formatInfo.mComponentCount = ((depthBits > 0) ? 1 : 0) + ((stencilBits > 0) ? 1 : 0);
- formatInfo.mFormat = format;
- formatInfo.mType = type;
- formatInfo.mComponentType = componentType;
- formatInfo.mColorEncoding = GL_LINEAR;
- formatInfo.mIsDepthRenderable = depthRenderable;
- formatInfo.mIsStencilRenderable = stencilRenderable;
- formatInfo.mIsTextureFilterable = AlwaysSupported;
- formatInfo.mSupportFunction = supportFunction;
- return formatInfo;
- }
-
- static InternalFormatInfo CompressedFormat(GLuint compressedBlockWidth, GLuint compressedBlockHeight, GLuint compressedBlockSize,
- GLuint componentCount, GLenum format, GLenum type, bool srgb,
- ContextSupportCheckFunction supportFunction)
- {
- InternalFormatInfo formatInfo;
- formatInfo.mCompressedBlockWidth = compressedBlockWidth;
- formatInfo.mCompressedBlockHeight = compressedBlockHeight;
- formatInfo.mPixelBits = compressedBlockSize;
- formatInfo.mComponentCount = componentCount;
- formatInfo.mFormat = format;
- formatInfo.mType = type;
- formatInfo.mComponentType = GL_UNSIGNED_NORMALIZED;
- formatInfo.mColorEncoding = (srgb ? GL_SRGB : GL_LINEAR);
- formatInfo.mIsCompressed = true;
- formatInfo.mIsTextureFilterable = AlwaysSupported;
- formatInfo.mSupportFunction = supportFunction;
- return formatInfo;
- }
-};
+ return extensions.*bool1;
+}
-typedef std::pair<GLenum, InternalFormatInfo> InternalFormatInfoPair;
-typedef std::map<GLenum, InternalFormatInfo> InternalFormatInfoMap;
+// Check for a minimum client version or a single extension
+template <GLuint minCoreGLVersion, ExtensionBool bool1>
+static bool RequireESVersionOrExtension(GLuint clientVersion, const Extensions &extensions)
+{
+ return clientVersion >= minCoreGLVersion || extensions.*bool1;
+}
-static InternalFormatInfoMap BuildES3InternalFormatInfoMap()
+// Check for a minimum client version or two extensions
+template <GLuint minCoreGLVersion, ExtensionBool bool1, ExtensionBool bool2>
+static bool RequireESVersionOrExtensions(GLuint clientVersion, const Extensions &extensions)
+{
+ return clientVersion >= minCoreGLVersion || (extensions.*bool1 || extensions.*bool2);
+}
+
+// Check support for two extensions
+template <ExtensionBool bool1, ExtensionBool bool2>
+static bool RequireExtensions(GLuint, const Extensions &extensions)
+{
+ return extensions.*bool1 || extensions.*bool2;
+}
+
+InternalFormat::InternalFormat()
+ : redBits(0),
+ greenBits(0),
+ blueBits(0),
+ luminanceBits(0),
+ alphaBits(0),
+ sharedBits(0),
+ depthBits(0),
+ stencilBits(0),
+ pixelBytes(0),
+ componentCount(0),
+ compressedBlockWidth(0),
+ compressedBlockHeight(0),
+ format(GL_NONE),
+ type(GL_NONE),
+ componentType(GL_NONE),
+ colorEncoding(GL_NONE),
+ compressed(false),
+ textureSupport(NeverSupported),
+ renderSupport(NeverSupported),
+ filterSupport(NeverSupported)
+{
+}
+
+static InternalFormat UnsizedFormat(GLenum format, InternalFormat::SupportCheckFunction textureSupport,
+ InternalFormat::SupportCheckFunction renderSupport,
+ InternalFormat::SupportCheckFunction filterSupport)
+{
+ InternalFormat formatInfo;
+ formatInfo.format = format;
+ formatInfo.textureSupport = textureSupport;
+ formatInfo.renderSupport = renderSupport;
+ formatInfo.filterSupport = filterSupport;
+ return formatInfo;
+}
+
+static InternalFormat RGBAFormat(GLuint red, GLuint green, GLuint blue, GLuint alpha, GLuint shared,
+ GLenum format, GLenum type, GLenum componentType, bool srgb,
+ InternalFormat::SupportCheckFunction textureSupport,
+ InternalFormat::SupportCheckFunction renderSupport,
+ InternalFormat::SupportCheckFunction filterSupport)
+{
+ InternalFormat formatInfo;
+ formatInfo.redBits = red;
+ formatInfo.greenBits = green;
+ formatInfo.blueBits = blue;
+ formatInfo.alphaBits = alpha;
+ formatInfo.sharedBits = shared;
+ formatInfo.pixelBytes = (red + green + blue + alpha + shared) / 8;
+ formatInfo.componentCount = ((red > 0) ? 1 : 0) + ((green > 0) ? 1 : 0) + ((blue > 0) ? 1 : 0) + ((alpha > 0) ? 1 : 0);
+ formatInfo.format = format;
+ formatInfo.type = type;
+ formatInfo.componentType = componentType;
+ formatInfo.colorEncoding = (srgb ? GL_SRGB : GL_LINEAR);
+ formatInfo.textureSupport = textureSupport;
+ formatInfo.renderSupport = renderSupport;
+ formatInfo.filterSupport = filterSupport;
+ return formatInfo;
+}
+
+static InternalFormat LUMAFormat(GLuint luminance, GLuint alpha, GLenum format, GLenum type, GLenum componentType,
+ InternalFormat::SupportCheckFunction textureSupport,
+ InternalFormat::SupportCheckFunction renderSupport,
+ InternalFormat::SupportCheckFunction filterSupport)
+{
+ InternalFormat formatInfo;
+ formatInfo.luminanceBits = luminance;
+ formatInfo.alphaBits = alpha;
+ formatInfo.pixelBytes = (luminance + alpha) / 8;
+ formatInfo.componentCount = ((luminance > 0) ? 1 : 0) + ((alpha > 0) ? 1 : 0);
+ formatInfo.format = format;
+ formatInfo.type = type;
+ formatInfo.componentType = componentType;
+ formatInfo.colorEncoding = GL_LINEAR;
+ formatInfo.textureSupport = textureSupport;
+ formatInfo.renderSupport = renderSupport;
+ formatInfo.filterSupport = filterSupport;
+ return formatInfo;
+}
+
+static InternalFormat DepthStencilFormat(GLuint depthBits, GLuint stencilBits, GLuint unusedBits, GLenum format,
+ GLenum type, GLenum componentType, InternalFormat::SupportCheckFunction textureSupport,
+ InternalFormat::SupportCheckFunction renderSupport,
+ InternalFormat::SupportCheckFunction filterSupport)
+{
+ InternalFormat formatInfo;
+ formatInfo.depthBits = depthBits;
+ formatInfo.stencilBits = stencilBits;
+ formatInfo.pixelBytes = (depthBits + stencilBits + unusedBits) / 8;
+ formatInfo.componentCount = ((depthBits > 0) ? 1 : 0) + ((stencilBits > 0) ? 1 : 0);
+ formatInfo.format = format;
+ formatInfo.type = type;
+ formatInfo.componentType = componentType;
+ formatInfo.colorEncoding = GL_LINEAR;
+ formatInfo.textureSupport = textureSupport;
+ formatInfo.renderSupport = renderSupport;
+ formatInfo.filterSupport = filterSupport;
+ return formatInfo;
+}
+
+static InternalFormat CompressedFormat(GLuint compressedBlockWidth, GLuint compressedBlockHeight, GLuint compressedBlockSize,
+ GLuint componentCount, GLenum format, GLenum type, bool srgb,
+ InternalFormat::SupportCheckFunction textureSupport,
+ InternalFormat::SupportCheckFunction renderSupport,
+ InternalFormat::SupportCheckFunction filterSupport)
+{
+ InternalFormat formatInfo;
+ formatInfo.compressedBlockWidth = compressedBlockWidth;
+ formatInfo.compressedBlockHeight = compressedBlockHeight;
+ formatInfo.pixelBytes = compressedBlockSize / 8;
+ formatInfo.componentCount = componentCount;
+ formatInfo.format = format;
+ formatInfo.type = type;
+ formatInfo.componentType = GL_UNSIGNED_NORMALIZED;
+ formatInfo.colorEncoding = (srgb ? GL_SRGB : GL_LINEAR);
+ formatInfo.compressed = true;
+ formatInfo.textureSupport = textureSupport;
+ formatInfo.renderSupport = renderSupport;
+ formatInfo.filterSupport = filterSupport;
+ return formatInfo;
+}
+
+typedef std::pair<GLenum, InternalFormat> InternalFormatInfoPair;
+typedef std::map<GLenum, InternalFormat> InternalFormatInfoMap;
+
+static InternalFormatInfoMap BuildInternalFormatInfoMap()
{
InternalFormatInfoMap map;
// From ES 3.0.1 spec, table 3.12
- map.insert(InternalFormatInfoPair(GL_NONE, InternalFormatInfo()));
-
- // | Internal format | | R | G | B | A |S | Format | Type | Component type | SRGB | Color | Texture | Supported |
- // | | | | | | | | | | | | renderable | filterable | |
- map.insert(InternalFormatInfoPair(GL_R8, InternalFormatInfo::RGBAFormat( 8, 0, 0, 0, 0, GL_RED, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_R8_SNORM, InternalFormatInfo::RGBAFormat( 8, 0, 0, 0, 0, GL_RED, GL_BYTE, GL_SIGNED_NORMALIZED, false, NeverSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RG8, InternalFormatInfo::RGBAFormat( 8, 8, 0, 0, 0, GL_RG, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RG8_SNORM, InternalFormatInfo::RGBAFormat( 8, 8, 0, 0, 0, GL_RG, GL_BYTE, GL_SIGNED_NORMALIZED, false, NeverSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGB8, InternalFormatInfo::RGBAFormat( 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGB8_SNORM, InternalFormatInfo::RGBAFormat( 8, 8, 8, 0, 0, GL_RGB, GL_BYTE, GL_SIGNED_NORMALIZED, false, NeverSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGB565, InternalFormatInfo::RGBAFormat( 5, 6, 5, 0, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGBA4, InternalFormatInfo::RGBAFormat( 4, 4, 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGB5_A1, InternalFormatInfo::RGBAFormat( 5, 5, 5, 1, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGBA8, InternalFormatInfo::RGBAFormat( 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGBA8_SNORM, InternalFormatInfo::RGBAFormat( 8, 8, 8, 8, 0, GL_RGBA, GL_BYTE, GL_SIGNED_NORMALIZED, false, NeverSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGB10_A2, InternalFormatInfo::RGBAFormat(10, 10, 10, 2, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGB10_A2UI, InternalFormatInfo::RGBAFormat(10, 10, 10, 2, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_SRGB8, InternalFormatInfo::RGBAFormat( 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, NeverSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_SRGB8_ALPHA8, InternalFormatInfo::RGBAFormat( 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, AlwaysSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_R11F_G11F_B10F, InternalFormatInfo::RGBAFormat(11, 11, 10, 0, 0, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, GL_FLOAT, false, AlwaysSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGB9_E5, InternalFormatInfo::RGBAFormat( 9, 9, 9, 0, 5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, GL_FLOAT, false, NeverSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_R8I, InternalFormatInfo::RGBAFormat( 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_BYTE, GL_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_R8UI, InternalFormatInfo::RGBAFormat( 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_R16I, InternalFormatInfo::RGBAFormat(16, 0, 0, 0, 0, GL_RED_INTEGER, GL_SHORT, GL_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_R16UI, InternalFormatInfo::RGBAFormat(16, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_R32I, InternalFormatInfo::RGBAFormat(32, 0, 0, 0, 0, GL_RED_INTEGER, GL_INT, GL_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_R32UI, InternalFormatInfo::RGBAFormat(32, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RG8I, InternalFormatInfo::RGBAFormat( 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_BYTE, GL_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RG8UI, InternalFormatInfo::RGBAFormat( 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RG16I, InternalFormatInfo::RGBAFormat(16, 16, 0, 0, 0, GL_RG_INTEGER, GL_SHORT, GL_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RG16UI, InternalFormatInfo::RGBAFormat(16, 16, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RG32I, InternalFormatInfo::RGBAFormat(32, 32, 0, 0, 0, GL_RG_INTEGER, GL_INT, GL_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RG32UI, InternalFormatInfo::RGBAFormat(32, 32, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGB8I, InternalFormatInfo::RGBAFormat( 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_BYTE, GL_INT, false, NeverSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGB8UI, InternalFormatInfo::RGBAFormat( 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, NeverSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGB16I, InternalFormatInfo::RGBAFormat(16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_SHORT, GL_INT, false, NeverSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGB16UI, InternalFormatInfo::RGBAFormat(16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, NeverSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGB32I, InternalFormatInfo::RGBAFormat(32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_INT, GL_INT, false, NeverSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGB32UI, InternalFormatInfo::RGBAFormat(32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, NeverSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGBA8I, InternalFormatInfo::RGBAFormat( 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_BYTE, GL_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGBA8UI, InternalFormatInfo::RGBAFormat( 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGBA16I, InternalFormatInfo::RGBAFormat(16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_SHORT, GL_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGBA16UI, InternalFormatInfo::RGBAFormat(16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGBA32I, InternalFormatInfo::RGBAFormat(32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_INT, GL_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGBA32UI, InternalFormatInfo::RGBAFormat(32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, AlwaysSupported, NeverSupported, AlwaysSupported )));
-
- map.insert(InternalFormatInfoPair(GL_BGRA8_EXT, InternalFormatInfo::RGBAFormat( 8, 8, 8, 8, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_BGRA4_ANGLEX, InternalFormatInfo::RGBAFormat( 4, 4, 4, 4, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_BGR5_A1_ANGLEX, InternalFormatInfo::RGBAFormat( 5, 5, 5, 1, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported )));
+ map.insert(InternalFormatInfoPair(GL_NONE, InternalFormat()));
+
+ // | Internal format | | R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Renderable | Filterable |
+ map.insert(InternalFormatInfoPair(GL_R8, RGBAFormat( 8, 0, 0, 0, 0, GL_RED, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESVersionOrExtension<3, &Extensions::textureRG>, AlwaysSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_R8_SNORM, RGBAFormat( 8, 0, 0, 0, 0, GL_RED, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireESVersion<3>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_RG8, RGBAFormat( 8, 8, 0, 0, 0, GL_RG, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESVersionOrExtension<3, &Extensions::textureRG>, AlwaysSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_RG8_SNORM, RGBAFormat( 8, 8, 0, 0, 0, GL_RG, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireESVersion<3>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGB8, RGBAFormat( 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESVersionOrExtension<3, &Extensions::rgb8rgba8>, AlwaysSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGB8_SNORM, RGBAFormat( 8, 8, 8, 0, 0, GL_RGB, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireESVersion<3>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGB565, RGBAFormat( 5, 6, 5, 0, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_NORMALIZED, false, RequireESVersion<2>, AlwaysSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGBA4, RGBAFormat( 4, 4, 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_NORMALIZED, false, RequireESVersion<2>, AlwaysSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGB5_A1, RGBAFormat( 5, 5, 5, 1, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_NORMALIZED, false, RequireESVersion<2>, AlwaysSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGBA8, RGBAFormat( 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESVersionOrExtension<3, &Extensions::rgb8rgba8>, AlwaysSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGBA8_SNORM, RGBAFormat( 8, 8, 8, 8, 0, GL_RGBA, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireESVersion<3>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGB10_A2, RGBAFormat(10, 10, 10, 2, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, RequireESVersion<3>, AlwaysSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGB10_A2UI, RGBAFormat(10, 10, 10, 2, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_INT, false, RequireESVersion<3>, NeverSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_SRGB8, RGBAFormat( 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireESVersionOrExtension<3, &Extensions::sRGB>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_SRGB8_ALPHA8, RGBAFormat( 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireESVersionOrExtension<3, &Extensions::sRGB>, AlwaysSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_R11F_G11F_B10F, RGBAFormat(11, 11, 10, 0, 0, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, GL_FLOAT, false, RequireESVersion<3>, RequireExtension<&Extensions::colorBufferFloat>, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGB9_E5, RGBAFormat( 9, 9, 9, 0, 5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, GL_FLOAT, false, RequireESVersion<3>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_R8I, RGBAFormat( 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_BYTE, GL_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_R8UI, RGBAFormat( 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_R16I, RGBAFormat(16, 0, 0, 0, 0, GL_RED_INTEGER, GL_SHORT, GL_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_R16UI, RGBAFormat(16, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_R32I, RGBAFormat(32, 0, 0, 0, 0, GL_RED_INTEGER, GL_INT, GL_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_R32UI, RGBAFormat(32, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RG8I, RGBAFormat( 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_BYTE, GL_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RG8UI, RGBAFormat( 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RG16I, RGBAFormat(16, 16, 0, 0, 0, GL_RG_INTEGER, GL_SHORT, GL_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RG16UI, RGBAFormat(16, 16, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RG32I, RGBAFormat(32, 32, 0, 0, 0, GL_RG_INTEGER, GL_INT, GL_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RG32UI, RGBAFormat(32, 32, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGB8I, RGBAFormat( 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_BYTE, GL_INT, false, RequireESVersion<3>, NeverSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGB8UI, RGBAFormat( 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireESVersion<3>, NeverSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGB16I, RGBAFormat(16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_SHORT, GL_INT, false, RequireESVersion<3>, NeverSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGB16UI, RGBAFormat(16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireESVersion<3>, NeverSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGB32I, RGBAFormat(32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_INT, GL_INT, false, RequireESVersion<3>, NeverSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGB32UI, RGBAFormat(32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireESVersion<3>, NeverSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGBA8I, RGBAFormat( 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_BYTE, GL_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGBA8UI, RGBAFormat( 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGBA16I, RGBAFormat(16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_SHORT, GL_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGBA16UI, RGBAFormat(16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGBA32I, RGBAFormat(32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_INT, GL_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGBA32UI, RGBAFormat(32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireESVersion<3>, AlwaysSupported, NeverSupported)));
+
+ map.insert(InternalFormatInfoPair(GL_BGRA8_EXT, RGBAFormat( 8, 8, 8, 8, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExtension<&Extensions::textureFormatBGRA8888>, AlwaysSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_BGRA4_ANGLEX, RGBAFormat( 4, 4, 4, 4, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, GL_UNSIGNED_NORMALIZED, false, RequireExtension<&Extensions::textureFormatBGRA8888>, AlwaysSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_BGR5_A1_ANGLEX, RGBAFormat( 5, 5, 5, 1, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, GL_UNSIGNED_NORMALIZED, false, RequireExtension<&Extensions::textureFormatBGRA8888>, AlwaysSupported, AlwaysSupported)));
// Floating point renderability and filtering is provided by OES_texture_float and OES_texture_half_float
- // | Internal format | | D |S | Format | Type | Comp | SRGB | Color renderable | Texture filterable | Supported |
- // | | | | | | | type | | | | |
- map.insert(InternalFormatInfoPair(GL_R16F, InternalFormatInfo::RGBAFormat(16, 0, 0, 0, 0, GL_RED, GL_HALF_FLOAT, GL_FLOAT, false, CheckSupport<&Context::supportsFloat16RenderableTextures, &rx::Renderer::getFloat16TextureRenderingSupport>, CheckSupport<&Context::supportsFloat16LinearFilter, &rx::Renderer::getFloat16TextureFilteringSupport>, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RG16F, InternalFormatInfo::RGBAFormat(16, 16, 0, 0, 0, GL_RG, GL_HALF_FLOAT, GL_FLOAT, false, CheckSupport<&Context::supportsFloat16RenderableTextures, &rx::Renderer::getFloat16TextureRenderingSupport>, CheckSupport<&Context::supportsFloat16LinearFilter, &rx::Renderer::getFloat16TextureFilteringSupport>, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGB16F, InternalFormatInfo::RGBAFormat(16, 16, 16, 0, 0, GL_RGB, GL_HALF_FLOAT, GL_FLOAT, false, CheckSupport<&Context::supportsFloat16RenderableTextures, &rx::Renderer::getFloat16TextureRenderingSupport>, CheckSupport<&Context::supportsFloat16LinearFilter, &rx::Renderer::getFloat16TextureFilteringSupport>, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGBA16F, InternalFormatInfo::RGBAFormat(16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT, GL_FLOAT, false, CheckSupport<&Context::supportsFloat16RenderableTextures, &rx::Renderer::getFloat16TextureRenderingSupport>, CheckSupport<&Context::supportsFloat16LinearFilter, &rx::Renderer::getFloat16TextureFilteringSupport>, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_R32F, InternalFormatInfo::RGBAFormat(32, 0, 0, 0, 0, GL_RED, GL_FLOAT, GL_FLOAT, false, CheckSupport<&Context::supportsFloat32RenderableTextures, &rx::Renderer::getFloat32TextureRenderingSupport>, CheckSupport<&Context::supportsFloat32LinearFilter, &rx::Renderer::getFloat32TextureFilteringSupport>, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RG32F, InternalFormatInfo::RGBAFormat(32, 32, 0, 0, 0, GL_RG, GL_FLOAT, GL_FLOAT, false, CheckSupport<&Context::supportsFloat32RenderableTextures, &rx::Renderer::getFloat32TextureRenderingSupport>, CheckSupport<&Context::supportsFloat32LinearFilter, &rx::Renderer::getFloat32TextureFilteringSupport>, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGB32F, InternalFormatInfo::RGBAFormat(32, 32, 32, 0, 0, GL_RGB, GL_FLOAT, GL_FLOAT, false, CheckSupport<&Context::supportsFloat32RenderableTextures, &rx::Renderer::getFloat32TextureRenderingSupport>, CheckSupport<&Context::supportsFloat32LinearFilter, &rx::Renderer::getFloat32TextureFilteringSupport>, AlwaysSupported )));
- map.insert(InternalFormatInfoPair(GL_RGBA32F, InternalFormatInfo::RGBAFormat(32, 32, 32, 32, 0, GL_RGBA, GL_FLOAT, GL_FLOAT, false, CheckSupport<&Context::supportsFloat32RenderableTextures, &rx::Renderer::getFloat32TextureRenderingSupport>, CheckSupport<&Context::supportsFloat32LinearFilter, &rx::Renderer::getFloat32TextureFilteringSupport>, AlwaysSupported )));
+ // | Internal format | | D |S | Format | Type | Comp | SRGB | Texture supported | Renderable | Filterable |
+ // | | | | | | | type | | | | |
+ map.insert(InternalFormatInfoPair(GL_R16F, RGBAFormat(16, 0, 0, 0, 0, GL_RED, GL_HALF_FLOAT, GL_FLOAT, false, RequireESVersionOrExtensions<3, &Extensions::textureHalfFloat, &Extensions::textureRG>, AlwaysSupported, RequireExtension<&Extensions::textureHalfFloatLinear>)));
+ map.insert(InternalFormatInfoPair(GL_RG16F, RGBAFormat(16, 16, 0, 0, 0, GL_RG, GL_HALF_FLOAT, GL_FLOAT, false, RequireESVersionOrExtensions<3, &Extensions::textureHalfFloat, &Extensions::textureRG>, AlwaysSupported, RequireExtension<&Extensions::textureHalfFloatLinear>)));
+ map.insert(InternalFormatInfoPair(GL_RGB16F, RGBAFormat(16, 16, 16, 0, 0, GL_RGB, GL_HALF_FLOAT, GL_FLOAT, false, RequireESVersionOrExtension<3, &Extensions::textureHalfFloat>, AlwaysSupported, RequireExtension<&Extensions::textureHalfFloatLinear>)));
+ map.insert(InternalFormatInfoPair(GL_RGBA16F, RGBAFormat(16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT, GL_FLOAT, false, RequireESVersionOrExtension<3, &Extensions::textureHalfFloat>, AlwaysSupported, RequireExtension<&Extensions::textureHalfFloatLinear>)));
+ map.insert(InternalFormatInfoPair(GL_R32F, RGBAFormat(32, 0, 0, 0, 0, GL_RED, GL_FLOAT, GL_FLOAT, false, RequireESVersionOrExtensions<3, &Extensions::textureFloat, &Extensions::textureRG>, AlwaysSupported, RequireExtension<&Extensions::textureFloatLinear> )));
+ map.insert(InternalFormatInfoPair(GL_RG32F, RGBAFormat(32, 32, 0, 0, 0, GL_RG, GL_FLOAT, GL_FLOAT, false, RequireESVersionOrExtensions<3, &Extensions::textureFloat, &Extensions::textureRG>, AlwaysSupported, RequireExtension<&Extensions::textureFloatLinear> )));
+ map.insert(InternalFormatInfoPair(GL_RGB32F, RGBAFormat(32, 32, 32, 0, 0, GL_RGB, GL_FLOAT, GL_FLOAT, false, RequireESVersionOrExtension<3, &Extensions::textureFloat>, AlwaysSupported, RequireExtension<&Extensions::textureFloatLinear> )));
+ map.insert(InternalFormatInfoPair(GL_RGBA32F, RGBAFormat(32, 32, 32, 32, 0, GL_RGBA, GL_FLOAT, GL_FLOAT, false, RequireESVersionOrExtension<3, &Extensions::textureFloat>, AlwaysSupported, RequireExtension<&Extensions::textureFloatLinear> )));
// Depth stencil formats
- // | Internal format | | D |S | X | Format | Type | Component type | Depth | Stencil | Supported |
- // | | | | | | | | | renderable | renderable | |
- map.insert(InternalFormatInfoPair(GL_DEPTH_COMPONENT16, InternalFormatInfo::DepthStencilFormat(16, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, AlwaysSupported, NeverSupported, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_DEPTH_COMPONENT24, InternalFormatInfo::DepthStencilFormat(24, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, AlwaysSupported, NeverSupported, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_DEPTH_COMPONENT32F, InternalFormatInfo::DepthStencilFormat(32, 0, 0, GL_DEPTH_COMPONENT, GL_FLOAT, GL_FLOAT, AlwaysSupported, NeverSupported, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_DEPTH_COMPONENT32_OES, InternalFormatInfo::DepthStencilFormat(32, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, AlwaysSupported, NeverSupported, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_DEPTH24_STENCIL8, InternalFormatInfo::DepthStencilFormat(24, 8, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, GL_UNSIGNED_NORMALIZED, AlwaysSupported, AlwaysSupported, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_DEPTH32F_STENCIL8, InternalFormatInfo::DepthStencilFormat(32, 8, 24, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, GL_FLOAT, AlwaysSupported, AlwaysSupported, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_STENCIL_INDEX8, InternalFormatInfo::DepthStencilFormat( 0, 8, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, NeverSupported, AlwaysSupported, AlwaysSupported)));
+ // | Internal format | | D |S | X | Format | Type | Component type | Supported |
+ map.insert(InternalFormatInfoPair(GL_DEPTH_COMPONENT16, DepthStencilFormat(16, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, RequireESVersion<2>, AlwaysSupported, RequireESVersionOrExtension<3, &Extensions::depthTextures>)));
+ map.insert(InternalFormatInfoPair(GL_DEPTH_COMPONENT24, DepthStencilFormat(24, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, RequireESVersion<3>, AlwaysSupported, RequireESVersionOrExtension<3, &Extensions::depthTextures>)));
+ map.insert(InternalFormatInfoPair(GL_DEPTH_COMPONENT32F, DepthStencilFormat(32, 0, 0, GL_DEPTH_COMPONENT, GL_FLOAT, GL_FLOAT, RequireESVersion<3>, AlwaysSupported, RequireESVersionOrExtension<3, &Extensions::depthTextures>)));
+ map.insert(InternalFormatInfoPair(GL_DEPTH_COMPONENT32_OES, DepthStencilFormat(32, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, RequireExtension<&Extensions::depthTextures>, AlwaysSupported, AlwaysSupported )));
+ map.insert(InternalFormatInfoPair(GL_DEPTH24_STENCIL8, DepthStencilFormat(24, 8, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, GL_UNSIGNED_NORMALIZED, RequireESVersionOrExtension<2, &Extensions::depthTextures>, AlwaysSupported, AlwaysSupported )));
+ map.insert(InternalFormatInfoPair(GL_DEPTH32F_STENCIL8, DepthStencilFormat(32, 8, 24, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, GL_FLOAT, RequireESVersion<3>, AlwaysSupported, AlwaysSupported )));
+ map.insert(InternalFormatInfoPair(GL_STENCIL_INDEX8, DepthStencilFormat( 0, 8, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, RequireESVersion<2>, AlwaysSupported, NeverSupported )));
// Luminance alpha formats
- // | Internal format | | L | A | Format | Type | Component type | Supported |
- map.insert(InternalFormatInfoPair(GL_ALPHA8_EXT, InternalFormatInfo::LUMAFormat( 0, 8, GL_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_LUMINANCE8_EXT, InternalFormatInfo::LUMAFormat( 8, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_ALPHA32F_EXT, InternalFormatInfo::LUMAFormat( 0, 32, GL_ALPHA, GL_FLOAT, GL_FLOAT, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_LUMINANCE32F_EXT, InternalFormatInfo::LUMAFormat(32, 0, GL_LUMINANCE, GL_FLOAT, GL_FLOAT, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_ALPHA16F_EXT, InternalFormatInfo::LUMAFormat( 0, 16, GL_ALPHA, GL_HALF_FLOAT, GL_FLOAT, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_LUMINANCE16F_EXT, InternalFormatInfo::LUMAFormat(16, 0, GL_LUMINANCE, GL_HALF_FLOAT, GL_FLOAT, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_LUMINANCE8_ALPHA8_EXT, InternalFormatInfo::LUMAFormat( 8, 8, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_LUMINANCE_ALPHA32F_EXT, InternalFormatInfo::LUMAFormat(32, 32, GL_LUMINANCE_ALPHA, GL_FLOAT, GL_FLOAT, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_LUMINANCE_ALPHA16F_EXT, InternalFormatInfo::LUMAFormat(16, 16, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT, GL_FLOAT, AlwaysSupported)));
+ // | Internal format | | L | A | Format | Type | Component type | Supported | Renderable | Filterable |
+ map.insert(InternalFormatInfoPair(GL_ALPHA8_EXT, LUMAFormat( 0, 8, GL_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExtension<&Extensions::textureStorage>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_LUMINANCE8_EXT, LUMAFormat( 8, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExtension<&Extensions::textureStorage>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_ALPHA32F_EXT, LUMAFormat( 0, 32, GL_ALPHA, GL_FLOAT, GL_FLOAT, RequireExtensions<&Extensions::textureStorage, &Extensions::textureFloat>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_LUMINANCE32F_EXT, LUMAFormat(32, 0, GL_LUMINANCE, GL_FLOAT, GL_FLOAT, RequireExtensions<&Extensions::textureStorage, &Extensions::textureFloat>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_ALPHA16F_EXT, LUMAFormat( 0, 16, GL_ALPHA, GL_HALF_FLOAT, GL_FLOAT, RequireExtensions<&Extensions::textureStorage, &Extensions::textureHalfFloat>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_LUMINANCE16F_EXT, LUMAFormat(16, 0, GL_LUMINANCE, GL_HALF_FLOAT, GL_FLOAT, RequireExtensions<&Extensions::textureStorage, &Extensions::textureHalfFloat>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_LUMINANCE8_ALPHA8_EXT, LUMAFormat( 8, 8, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExtension<&Extensions::textureStorage>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_LUMINANCE_ALPHA32F_EXT, LUMAFormat(32, 32, GL_LUMINANCE_ALPHA, GL_FLOAT, GL_FLOAT, RequireExtensions<&Extensions::textureStorage, &Extensions::textureFloat>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_LUMINANCE_ALPHA16F_EXT, LUMAFormat(16, 16, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT, GL_FLOAT, RequireExtensions<&Extensions::textureStorage, &Extensions::textureHalfFloat>, NeverSupported, AlwaysSupported)));
// Unsized formats
- // | Internal format | | Format | Supported |
- map.insert(InternalFormatInfoPair(GL_ALPHA, InternalFormatInfo::UnsizedFormat(GL_ALPHA, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_LUMINANCE, InternalFormatInfo::UnsizedFormat(GL_LUMINANCE, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_LUMINANCE_ALPHA, InternalFormatInfo::UnsizedFormat(GL_LUMINANCE_ALPHA, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_RED, InternalFormatInfo::UnsizedFormat(GL_RED, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_RG, InternalFormatInfo::UnsizedFormat(GL_RG, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_RGB, InternalFormatInfo::UnsizedFormat(GL_RGB, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_RGBA, InternalFormatInfo::UnsizedFormat(GL_RGBA, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_RED_INTEGER, InternalFormatInfo::UnsizedFormat(GL_RED_INTEGER, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_RG_INTEGER, InternalFormatInfo::UnsizedFormat(GL_RG_INTEGER, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_RGB_INTEGER, InternalFormatInfo::UnsizedFormat(GL_RGB_INTEGER, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_RGBA_INTEGER, InternalFormatInfo::UnsizedFormat(GL_RGBA_INTEGER, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_BGRA_EXT, InternalFormatInfo::UnsizedFormat(GL_BGRA_EXT, AlwaysSupported)));
+ // | Internal format | | Format | Supported | Renderable | Filterable |
+ map.insert(InternalFormatInfoPair(GL_ALPHA, UnsizedFormat(GL_ALPHA, RequireESVersion<2>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_LUMINANCE, UnsizedFormat(GL_LUMINANCE, RequireESVersion<2>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_LUMINANCE_ALPHA, UnsizedFormat(GL_LUMINANCE_ALPHA, RequireESVersion<2>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_RED, UnsizedFormat(GL_RED, RequireESVersionOrExtension<3, &Extensions::textureRG>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_RG, UnsizedFormat(GL_RG, RequireESVersionOrExtension<3, &Extensions::textureRG>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGB, UnsizedFormat(GL_RGB, RequireESVersion<2>, AlwaysSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_RGBA, UnsizedFormat(GL_RGBA, RequireESVersion<2>, AlwaysSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_RED_INTEGER, UnsizedFormat(GL_RED_INTEGER, RequireESVersion<3>, NeverSupported, NeverSupported )));
+ map.insert(InternalFormatInfoPair(GL_RG_INTEGER, UnsizedFormat(GL_RG_INTEGER, RequireESVersion<3>, NeverSupported, NeverSupported )));
+ map.insert(InternalFormatInfoPair(GL_RGB_INTEGER, UnsizedFormat(GL_RGB_INTEGER, RequireESVersion<3>, NeverSupported, NeverSupported )));
+ map.insert(InternalFormatInfoPair(GL_RGBA_INTEGER, UnsizedFormat(GL_RGBA_INTEGER, RequireESVersion<3>, NeverSupported, NeverSupported )));
+ map.insert(InternalFormatInfoPair(GL_BGRA_EXT, UnsizedFormat(GL_BGRA_EXT, RequireExtension<&Extensions::textureFormatBGRA8888>, AlwaysSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_DEPTH_COMPONENT, UnsizedFormat(GL_DEPTH_COMPONENT, RequireESVersion<2>, AlwaysSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_DEPTH_STENCIL, UnsizedFormat(GL_DEPTH_STENCIL, RequireESVersionOrExtension<3, &Extensions::packedDepthStencil>, AlwaysSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_SRGB_EXT, UnsizedFormat(GL_RGB, RequireESVersionOrExtension<3, &Extensions::sRGB>, NeverSupported, AlwaysSupported)));
+ map.insert(InternalFormatInfoPair(GL_SRGB_ALPHA_EXT, UnsizedFormat(GL_RGBA, RequireESVersionOrExtension<3, &Extensions::sRGB>, AlwaysSupported, AlwaysSupported)));
// Compressed formats, From ES 3.0.1 spec, table 3.16
- // | Internal format | |W |H | BS |CC| Format | Type | SRGB | Supported |
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_R11_EAC, InternalFormatInfo::CompressedFormat(4, 4, 64, 1, GL_COMPRESSED_R11_EAC, GL_UNSIGNED_BYTE, false, UnimplementedSupport)));
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_SIGNED_R11_EAC, InternalFormatInfo::CompressedFormat(4, 4, 64, 1, GL_COMPRESSED_SIGNED_R11_EAC, GL_UNSIGNED_BYTE, false, UnimplementedSupport)));
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_RG11_EAC, InternalFormatInfo::CompressedFormat(4, 4, 128, 2, GL_COMPRESSED_RG11_EAC, GL_UNSIGNED_BYTE, false, UnimplementedSupport)));
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_SIGNED_RG11_EAC, InternalFormatInfo::CompressedFormat(4, 4, 128, 2, GL_COMPRESSED_SIGNED_RG11_EAC, GL_UNSIGNED_BYTE, false, UnimplementedSupport)));
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGB8_ETC2, InternalFormatInfo::CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_RGB8_ETC2, GL_UNSIGNED_BYTE, false, UnimplementedSupport)));
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ETC2, InternalFormatInfo::CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_SRGB8_ETC2, GL_UNSIGNED_BYTE, true, UnimplementedSupport)));
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, InternalFormatInfo::CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, false, UnimplementedSupport)));
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, InternalFormatInfo::CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, true, UnimplementedSupport)));
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA8_ETC2_EAC, InternalFormatInfo::CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA8_ETC2_EAC, GL_UNSIGNED_BYTE, false, UnimplementedSupport)));
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, InternalFormatInfo::CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, GL_UNSIGNED_BYTE, true, UnimplementedSupport)));
-
- // From GL_EXT_texture_compression_dxt1
- // | Internal format | |W |H | BS |CC| Format | Type | SRGB | Supported |
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGB_S3TC_DXT1_EXT, InternalFormatInfo::CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, false, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, InternalFormatInfo::CompressedFormat(4, 4, 64, 4, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, false, AlwaysSupported)));
-
- // From GL_ANGLE_texture_compression_dxt3
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, InternalFormatInfo::CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE, false, AlwaysSupported)));
-
- // From GL_ANGLE_texture_compression_dxt5
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, InternalFormatInfo::CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE, false, AlwaysSupported)));
-
- return map;
-}
-
-static InternalFormatInfoMap BuildES2InternalFormatInfoMap()
-{
- InternalFormatInfoMap map;
-
- // From ES 2.0.25 table 4.5
- map.insert(InternalFormatInfoPair(GL_NONE, InternalFormatInfo()));
-
- // | Internal format | | R | G | B | A |S | Format | Type | Component type | SRGB | Color | Texture | Supported |
- // | | | | | | | | | | | | renderable | filterable | |
- map.insert(InternalFormatInfoPair(GL_RGBA4, InternalFormatInfo::RGBAFormat( 4, 4, 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_RGB5_A1, InternalFormatInfo::RGBAFormat( 5, 5, 5, 1, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_RGB565, InternalFormatInfo::RGBAFormat( 5, 6, 5, 0, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported)));
-
- // Extension formats
- map.insert(InternalFormatInfoPair(GL_R8_EXT, InternalFormatInfo::RGBAFormat( 8, 0, 0, 0, 0, GL_RED_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, CheckSupport<&Context::supportsRGTextures, &rx::Renderer::getRGTextureSupport>, CheckSupport<&Context::supportsRGTextures, &rx::Renderer::getRGTextureSupport>, CheckSupport<&Context::supportsRGTextures>)));
- map.insert(InternalFormatInfoPair(GL_RG8_EXT, InternalFormatInfo::RGBAFormat( 8, 8, 0, 0, 0, GL_RG_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, CheckSupport<&Context::supportsRGTextures, &rx::Renderer::getRGTextureSupport>, CheckSupport<&Context::supportsRGTextures, &rx::Renderer::getRGTextureSupport>, CheckSupport<&Context::supportsRGTextures>)));
- map.insert(InternalFormatInfoPair(GL_RGB8_OES, InternalFormatInfo::RGBAFormat( 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_RGBA8_OES, InternalFormatInfo::RGBAFormat( 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_BGRA8_EXT, InternalFormatInfo::RGBAFormat( 8, 8, 8, 8, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_BGRA4_ANGLEX, InternalFormatInfo::RGBAFormat( 4, 4, 4, 4, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_NORMALIZED, false, NeverSupported, AlwaysSupported, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_BGR5_A1_ANGLEX, InternalFormatInfo::RGBAFormat( 5, 5, 5, 1, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_NORMALIZED, false, NeverSupported, AlwaysSupported, AlwaysSupported)));
-
- // Floating point formats have to query the renderer for support
- // | Internal format | | R | G | B | A |S | Format | Type | Comp | SRGB | Color renderable | Texture filterable | Supported |
- // | | | | | | | | | | type | | | | |
- map.insert(InternalFormatInfoPair(GL_R16F_EXT, InternalFormatInfo::RGBAFormat(16, 0, 0, 0, 0, GL_RED, GL_HALF_FLOAT_OES, GL_FLOAT, false, CheckSupport<&Context::supportsRGTextures, &rx::Renderer::getRGTextureSupport>, CheckSupport<&Context::supportsRGTextures, &rx::Renderer::getRGTextureSupport>, CheckSupport<&Context::supportsRGTextures> )));
- map.insert(InternalFormatInfoPair(GL_R32F_EXT, InternalFormatInfo::RGBAFormat(32, 0, 0, 0, 0, GL_RED, GL_FLOAT, GL_FLOAT, false, CheckSupport<&Context::supportsRGTextures, &rx::Renderer::getRGTextureSupport>, CheckSupport<&Context::supportsRGTextures, &rx::Renderer::getRGTextureSupport>, CheckSupport<&Context::supportsRGTextures> )));
- map.insert(InternalFormatInfoPair(GL_RG16F_EXT, InternalFormatInfo::RGBAFormat(16, 16, 0, 0, 0, GL_RG, GL_HALF_FLOAT_OES, GL_FLOAT, false, CheckSupport<&Context::supportsRGTextures, &rx::Renderer::getRGTextureSupport>, CheckSupport<&Context::supportsRGTextures, &rx::Renderer::getRGTextureSupport>, CheckSupport<&Context::supportsRGTextures> )));
- map.insert(InternalFormatInfoPair(GL_RG32F_EXT, InternalFormatInfo::RGBAFormat(32, 32, 0, 0, 0, GL_RG, GL_FLOAT, GL_FLOAT, false, CheckSupport<&Context::supportsRGTextures, &rx::Renderer::getRGTextureSupport>, CheckSupport<&Context::supportsRGTextures, &rx::Renderer::getRGTextureSupport>, CheckSupport<&Context::supportsRGTextures> )));
- map.insert(InternalFormatInfoPair(GL_RGB16F_EXT, InternalFormatInfo::RGBAFormat(16, 16, 16, 0, 0, GL_RGB, GL_HALF_FLOAT_OES, GL_FLOAT, false, CheckSupport<&Context::supportsFloat16RenderableTextures, &rx::Renderer::getFloat16TextureRenderingSupport>, CheckSupport<&Context::supportsFloat16LinearFilter, &rx::Renderer::getFloat16TextureFilteringSupport>, CheckSupport<&Context::supportsFloat16Textures>)));
- map.insert(InternalFormatInfoPair(GL_RGB32F_EXT, InternalFormatInfo::RGBAFormat(32, 32, 32, 0, 0, GL_RGB, GL_FLOAT, GL_FLOAT, false, CheckSupport<&Context::supportsFloat32RenderableTextures, &rx::Renderer::getFloat32TextureRenderingSupport>, CheckSupport<&Context::supportsFloat32LinearFilter, &rx::Renderer::getFloat32TextureFilteringSupport>, CheckSupport<&Context::supportsFloat32Textures>)));
- map.insert(InternalFormatInfoPair(GL_RGBA16F_EXT, InternalFormatInfo::RGBAFormat(16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT_OES, GL_FLOAT, false, CheckSupport<&Context::supportsFloat16RenderableTextures, &rx::Renderer::getFloat16TextureRenderingSupport>, CheckSupport<&Context::supportsFloat16LinearFilter, &rx::Renderer::getFloat16TextureFilteringSupport>, CheckSupport<&Context::supportsFloat16Textures>)));
- map.insert(InternalFormatInfoPair(GL_RGBA32F_EXT, InternalFormatInfo::RGBAFormat(32, 32, 32, 32, 0, GL_RGBA, GL_FLOAT, GL_FLOAT, false, CheckSupport<&Context::supportsFloat32RenderableTextures, &rx::Renderer::getFloat32TextureRenderingSupport>, CheckSupport<&Context::supportsFloat32LinearFilter, &rx::Renderer::getFloat32TextureFilteringSupport>, CheckSupport<&Context::supportsFloat32Textures>)));
-
- // Depth and stencil formats
- // | Internal format | | D |S |X | Format | Type | Internal format | Depth | Stencil | Supported |
- // | | | | | | | | type | renderable | renderable | |
- map.insert(InternalFormatInfoPair(GL_DEPTH_COMPONENT32_OES,InternalFormatInfo::DepthStencilFormat(32, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, AlwaysSupported, NeverSupported, CheckSupport<&Context::supportsDepthTextures>)));
- map.insert(InternalFormatInfoPair(GL_DEPTH24_STENCIL8_OES, InternalFormatInfo::DepthStencilFormat(24, 8, 0, GL_DEPTH_STENCIL_OES, GL_UNSIGNED_INT_24_8_OES, GL_UNSIGNED_NORMALIZED, AlwaysSupported, AlwaysSupported, CheckSupport<&Context::supportsDepthTextures>)));
- map.insert(InternalFormatInfoPair(GL_DEPTH_COMPONENT16, InternalFormatInfo::DepthStencilFormat(16, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, AlwaysSupported, NeverSupported, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_STENCIL_INDEX8, InternalFormatInfo::DepthStencilFormat( 0, 8, 0, GL_DEPTH_STENCIL_OES, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, NeverSupported, AlwaysSupported, AlwaysSupported)));
-
- // Unsized formats
- // | Internal format | | Format | Supported |
- map.insert(InternalFormatInfoPair(GL_ALPHA, InternalFormatInfo::UnsizedFormat(GL_ALPHA, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_LUMINANCE, InternalFormatInfo::UnsizedFormat(GL_LUMINANCE, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_LUMINANCE_ALPHA, InternalFormatInfo::UnsizedFormat(GL_LUMINANCE_ALPHA, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_RED_EXT, InternalFormatInfo::UnsizedFormat(GL_RED_EXT, CheckSupport<&Context::supportsRGTextures>)));
- map.insert(InternalFormatInfoPair(GL_RG_EXT, InternalFormatInfo::UnsizedFormat(GL_RG_EXT, CheckSupport<&Context::supportsRGTextures>)));
- map.insert(InternalFormatInfoPair(GL_RGB, InternalFormatInfo::UnsizedFormat(GL_RGB, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_RGBA, InternalFormatInfo::UnsizedFormat(GL_RGBA, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_BGRA_EXT, InternalFormatInfo::UnsizedFormat(GL_BGRA_EXT, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_DEPTH_COMPONENT, InternalFormatInfo::UnsizedFormat(GL_DEPTH_COMPONENT, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_DEPTH_STENCIL_OES, InternalFormatInfo::UnsizedFormat(GL_DEPTH_STENCIL_OES, AlwaysSupported)));
-
- // Luminance alpha formats from GL_EXT_texture_storage
- // | Internal format | | L | A | Format | Type | Component type | Supported |
- map.insert(InternalFormatInfoPair(GL_ALPHA8_EXT, InternalFormatInfo::LUMAFormat( 0, 8, GL_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_LUMINANCE8_EXT, InternalFormatInfo::LUMAFormat( 8, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_ALPHA32F_EXT, InternalFormatInfo::LUMAFormat( 0, 32, GL_ALPHA, GL_FLOAT, GL_FLOAT, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_LUMINANCE32F_EXT, InternalFormatInfo::LUMAFormat(32, 0, GL_LUMINANCE, GL_FLOAT, GL_FLOAT, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_ALPHA16F_EXT, InternalFormatInfo::LUMAFormat( 0, 16, GL_ALPHA, GL_HALF_FLOAT_OES, GL_FLOAT, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_LUMINANCE16F_EXT, InternalFormatInfo::LUMAFormat(16, 0, GL_LUMINANCE, GL_HALF_FLOAT_OES, GL_FLOAT, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_LUMINANCE8_ALPHA8_EXT, InternalFormatInfo::LUMAFormat( 8, 8, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_LUMINANCE_ALPHA32F_EXT, InternalFormatInfo::LUMAFormat(32, 32, GL_LUMINANCE_ALPHA, GL_FLOAT, GL_FLOAT, AlwaysSupported)));
- map.insert(InternalFormatInfoPair(GL_LUMINANCE_ALPHA16F_EXT, InternalFormatInfo::LUMAFormat(16, 16, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES, GL_FLOAT, AlwaysSupported)));
+ // | Internal format | |W |H | BS |CC| Format | Type | SRGB | Supported | Renderable | Filterable |
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_R11_EAC, CompressedFormat(4, 4, 64, 1, GL_COMPRESSED_R11_EAC, GL_UNSIGNED_BYTE, false, UnimplementedSupport, UnimplementedSupport, UnimplementedSupport)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SIGNED_R11_EAC, CompressedFormat(4, 4, 64, 1, GL_COMPRESSED_SIGNED_R11_EAC, GL_UNSIGNED_BYTE, false, UnimplementedSupport, UnimplementedSupport, UnimplementedSupport)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RG11_EAC, CompressedFormat(4, 4, 128, 2, GL_COMPRESSED_RG11_EAC, GL_UNSIGNED_BYTE, false, UnimplementedSupport, UnimplementedSupport, UnimplementedSupport)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SIGNED_RG11_EAC, CompressedFormat(4, 4, 128, 2, GL_COMPRESSED_SIGNED_RG11_EAC, GL_UNSIGNED_BYTE, false, UnimplementedSupport, UnimplementedSupport, UnimplementedSupport)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGB8_ETC2, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_RGB8_ETC2, GL_UNSIGNED_BYTE, false, UnimplementedSupport, UnimplementedSupport, UnimplementedSupport)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ETC2, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_SRGB8_ETC2, GL_UNSIGNED_BYTE, true, UnimplementedSupport, UnimplementedSupport, UnimplementedSupport)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, false, UnimplementedSupport, UnimplementedSupport, UnimplementedSupport)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, true, UnimplementedSupport, UnimplementedSupport, UnimplementedSupport)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA8_ETC2_EAC, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA8_ETC2_EAC, GL_UNSIGNED_BYTE, false, UnimplementedSupport, UnimplementedSupport, UnimplementedSupport)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, GL_UNSIGNED_BYTE, true, UnimplementedSupport, UnimplementedSupport, UnimplementedSupport)));
// From GL_EXT_texture_compression_dxt1
- // | Internal format | |W |H | BS |CC|Format | Type | SRGB | Supported |
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGB_S3TC_DXT1_EXT, InternalFormatInfo::CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, false, CheckSupport<&Context::supportsDXT1Textures>)));
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, InternalFormatInfo::CompressedFormat(4, 4, 64, 4, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, false, CheckSupport<&Context::supportsDXT1Textures>)));
+ // | Internal format | |W |H | BS |CC| Format | Type | SRGB | Supported | Renderable | Filterable |
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGB_S3TC_DXT1_EXT, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, false, RequireExtension<&Extensions::textureCompressionDXT1>, NeverSupported, AlwaysSupported )));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, CompressedFormat(4, 4, 64, 4, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, false, RequireExtension<&Extensions::textureCompressionDXT1>, NeverSupported, AlwaysSupported )));
// From GL_ANGLE_texture_compression_dxt3
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, InternalFormatInfo::CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE, false, CheckSupport<&Context::supportsDXT3Textures>)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE, false, RequireExtension<&Extensions::textureCompressionDXT5>, NeverSupported, AlwaysSupported )));
// From GL_ANGLE_texture_compression_dxt5
- map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, InternalFormatInfo::CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE, false, CheckSupport<&Context::supportsDXT5Textures>)));
+ map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE, false, RequireExtension<&Extensions::textureCompressionDXT5>, NeverSupported, AlwaysSupported )));
return map;
}
-static bool GetInternalFormatInfo(GLenum internalFormat, GLuint clientVersion, InternalFormatInfo *outFormatInfo)
-{
- const InternalFormatInfoMap* map = NULL;
-
- if (clientVersion == 2)
- {
- static const InternalFormatInfoMap formatMap = BuildES2InternalFormatInfoMap();
- map = &formatMap;
- }
- else if (clientVersion == 3)
- {
- static const InternalFormatInfoMap formatMap = BuildES3InternalFormatInfoMap();
- map = &formatMap;
- }
- else
- {
- UNREACHABLE();
- }
-
- InternalFormatInfoMap::const_iterator iter = map->find(internalFormat);
- if (iter != map->end())
- {
- if (outFormatInfo)
- {
- *outFormatInfo = iter->second;
- }
- return true;
- }
- else
- {
- return false;
- }
-}
-
-typedef std::set<GLenum> FormatSet;
-
-static FormatSet BuildES2ValidFormatSet()
-{
- static const FormatMap &formatMap = GetFormatMap(2);
-
- FormatSet set;
-
- for (FormatMap::const_iterator i = formatMap.begin(); i != formatMap.end(); i++)
- {
- const FormatTypePair& formatPair = i->first;
- set.insert(formatPair.first);
- }
-
- return set;
-}
-
-static FormatSet BuildES3ValidFormatSet()
-{
- static const ES3FormatSet &formatSet = GetES3FormatSet();
-
- FormatSet set;
-
- for (ES3FormatSet::const_iterator i = formatSet.begin(); i != formatSet.end(); i++)
- {
- const FormatInfo& formatInfo = *i;
- set.insert(formatInfo.mFormat);
- }
-
- return set;
-}
-
-typedef std::set<GLenum> TypeSet;
-
-static TypeSet BuildES2ValidTypeSet()
-{
- static const FormatMap &formatMap = GetFormatMap(2);
-
- TypeSet set;
-
- for (FormatMap::const_iterator i = formatMap.begin(); i != formatMap.end(); i++)
- {
- const FormatTypePair& formatPair = i->first;
- set.insert(formatPair.second);
- }
-
- return set;
-}
-
-static TypeSet BuildES3ValidTypeSet()
-{
- static const ES3FormatSet &formatSet = GetES3FormatSet();
-
- TypeSet set;
-
- for (ES3FormatSet::const_iterator i = formatSet.begin(); i != formatSet.end(); i++)
- {
- const FormatInfo& formatInfo = *i;
- set.insert(formatInfo.mType);
- }
-
- return set;
-}
-
-struct EffectiveInternalFormatInfo
-{
- GLenum mEffectiveFormat;
- GLenum mDestFormat;
- GLuint mMinRedBits;
- GLuint mMaxRedBits;
- GLuint mMinGreenBits;
- GLuint mMaxGreenBits;
- GLuint mMinBlueBits;
- GLuint mMaxBlueBits;
- GLuint mMinAlphaBits;
- GLuint mMaxAlphaBits;
-
- EffectiveInternalFormatInfo(GLenum effectiveFormat, GLenum destFormat, GLuint minRedBits, GLuint maxRedBits,
- GLuint minGreenBits, GLuint maxGreenBits, GLuint minBlueBits, GLuint maxBlueBits,
- GLuint minAlphaBits, GLuint maxAlphaBits)
- : mEffectiveFormat(effectiveFormat), mDestFormat(destFormat), mMinRedBits(minRedBits),
- mMaxRedBits(maxRedBits), mMinGreenBits(minGreenBits), mMaxGreenBits(maxGreenBits),
- mMinBlueBits(minBlueBits), mMaxBlueBits(maxBlueBits), mMinAlphaBits(minAlphaBits),
- mMaxAlphaBits(maxAlphaBits) {};
-};
-
-typedef std::vector<EffectiveInternalFormatInfo> EffectiveInternalFormatList;
-
-static EffectiveInternalFormatList BuildSizedEffectiveInternalFormatList()
-{
- EffectiveInternalFormatList list;
-
- // OpenGL ES 3.0.3 Specification, Table 3.17, pg 141: Effective internal format coresponding to destination internal format and
- // linear source buffer component sizes.
- // | Source channel min/max sizes |
- // Effective Internal Format | N/A | R | G | B | A |
- list.push_back(EffectiveInternalFormatInfo(GL_ALPHA8_EXT, GL_NONE, 0, 0, 0, 0, 0, 0, 1, 8));
- list.push_back(EffectiveInternalFormatInfo(GL_R8, GL_NONE, 1, 8, 0, 0, 0, 0, 0, 0));
- list.push_back(EffectiveInternalFormatInfo(GL_RG8, GL_NONE, 1, 8, 1, 8, 0, 0, 0, 0));
- list.push_back(EffectiveInternalFormatInfo(GL_RGB565, GL_NONE, 1, 5, 1, 6, 1, 5, 0, 0));
- list.push_back(EffectiveInternalFormatInfo(GL_RGB8, GL_NONE, 6, 8, 7, 8, 6, 8, 0, 0));
- list.push_back(EffectiveInternalFormatInfo(GL_RGBA4, GL_NONE, 1, 4, 1, 4, 1, 4, 1, 4));
- list.push_back(EffectiveInternalFormatInfo(GL_RGB5_A1, GL_NONE, 5, 5, 5, 5, 5, 5, 1, 1));
- list.push_back(EffectiveInternalFormatInfo(GL_RGBA8, GL_NONE, 5, 8, 5, 8, 5, 8, 2, 8));
- list.push_back(EffectiveInternalFormatInfo(GL_RGB10_A2, GL_NONE, 9, 10, 9, 10, 9, 10, 2, 2));
-
- return list;
-}
-
-
-static EffectiveInternalFormatList BuildUnsizedEffectiveInternalFormatList()
-{
- EffectiveInternalFormatList list;
-
- // OpenGL ES 3.0.3 Specification, Table 3.17, pg 141: Effective internal format coresponding to destination internal format and
- // linear source buffer component sizes.
- // | Source channel min/max sizes |
- // Effective Internal Format | Dest Format | R | G | B | A |
- list.push_back(EffectiveInternalFormatInfo(GL_ALPHA8_EXT, GL_ALPHA, 0, UINT_MAX, 0, UINT_MAX, 0, UINT_MAX, 1, 8));
- list.push_back(EffectiveInternalFormatInfo(GL_LUMINANCE8_EXT, GL_LUMINANCE, 1, 8, 0, UINT_MAX, 0, UINT_MAX, 0, UINT_MAX));
- list.push_back(EffectiveInternalFormatInfo(GL_LUMINANCE8_ALPHA8_EXT, GL_LUMINANCE_ALPHA, 1, 8, 0, UINT_MAX, 0, UINT_MAX, 1, 8));
- list.push_back(EffectiveInternalFormatInfo(GL_RGB565, GL_RGB, 1, 5, 1, 6, 1, 5, 0, UINT_MAX));
- list.push_back(EffectiveInternalFormatInfo(GL_RGB8, GL_RGB, 6, 8, 7, 8, 6, 8, 0, UINT_MAX));
- list.push_back(EffectiveInternalFormatInfo(GL_RGBA4, GL_RGBA, 1, 4, 1, 4, 1, 4, 1, 4));
- list.push_back(EffectiveInternalFormatInfo(GL_RGB5_A1, GL_RGBA, 5, 5, 5, 5, 5, 5, 1, 1));
- list.push_back(EffectiveInternalFormatInfo(GL_RGBA8, GL_RGBA, 5, 8, 5, 8, 5, 8, 5, 8));
-
- return list;
-}
-
-static bool GetEffectiveInternalFormat(const InternalFormatInfo &srcFormat, const InternalFormatInfo &destFormat,
- GLuint clientVersion, GLenum *outEffectiveFormat)
-{
- const EffectiveInternalFormatList *list = NULL;
- GLenum targetFormat = GL_NONE;
-
- if (gl::IsSizedInternalFormat(destFormat.mFormat, clientVersion))
- {
- static const EffectiveInternalFormatList sizedList = BuildSizedEffectiveInternalFormatList();
- list = &sizedList;
- }
- else
- {
- static const EffectiveInternalFormatList unsizedList = BuildUnsizedEffectiveInternalFormatList();
- list = &unsizedList;
- targetFormat = destFormat.mFormat;
- }
-
- for (size_t curFormat = 0; curFormat < list->size(); ++curFormat)
- {
- const EffectiveInternalFormatInfo& formatInfo = list->at(curFormat);
- if ((formatInfo.mDestFormat == targetFormat) &&
- (formatInfo.mMinRedBits <= srcFormat.mRedBits && formatInfo.mMaxRedBits >= srcFormat.mRedBits) &&
- (formatInfo.mMinGreenBits <= srcFormat.mGreenBits && formatInfo.mMaxGreenBits >= srcFormat.mGreenBits) &&
- (formatInfo.mMinBlueBits <= srcFormat.mBlueBits && formatInfo.mMaxBlueBits >= srcFormat.mBlueBits) &&
- (formatInfo.mMinAlphaBits <= srcFormat.mAlphaBits && formatInfo.mMaxAlphaBits >= srcFormat.mAlphaBits))
- {
- *outEffectiveFormat = formatInfo.mEffectiveFormat;
- return true;
- }
- }
-
- return false;
-}
-
-struct CopyConversion
-{
- GLenum mTextureFormat;
- GLenum mFramebufferFormat;
-
- CopyConversion(GLenum textureFormat, GLenum framebufferFormat)
- : mTextureFormat(textureFormat), mFramebufferFormat(framebufferFormat) { }
-
- bool operator<(const CopyConversion& other) const
- {
- return memcmp(this, &other, sizeof(CopyConversion)) < 0;
- }
-};
-
-typedef std::set<CopyConversion> CopyConversionSet;
-
-static CopyConversionSet BuildValidES3CopyTexImageCombinations()
-{
- CopyConversionSet set;
-
- // From ES 3.0.1 spec, table 3.15
- set.insert(CopyConversion(GL_ALPHA, GL_RGBA));
- set.insert(CopyConversion(GL_LUMINANCE, GL_RED));
- set.insert(CopyConversion(GL_LUMINANCE, GL_RG));
- set.insert(CopyConversion(GL_LUMINANCE, GL_RGB));
- set.insert(CopyConversion(GL_LUMINANCE, GL_RGBA));
- set.insert(CopyConversion(GL_LUMINANCE_ALPHA, GL_RGBA));
- set.insert(CopyConversion(GL_RED, GL_RED));
- set.insert(CopyConversion(GL_RED, GL_RG));
- set.insert(CopyConversion(GL_RED, GL_RGB));
- set.insert(CopyConversion(GL_RED, GL_RGBA));
- set.insert(CopyConversion(GL_RG, GL_RG));
- set.insert(CopyConversion(GL_RG, GL_RGB));
- set.insert(CopyConversion(GL_RG, GL_RGBA));
- set.insert(CopyConversion(GL_RGB, GL_RGB));
- set.insert(CopyConversion(GL_RGB, GL_RGBA));
- set.insert(CopyConversion(GL_RGBA, GL_RGBA));
-
- // Necessary for ANGLE back-buffers
- set.insert(CopyConversion(GL_ALPHA, GL_BGRA_EXT));
- set.insert(CopyConversion(GL_LUMINANCE, GL_BGRA_EXT));
- set.insert(CopyConversion(GL_LUMINANCE_ALPHA, GL_BGRA_EXT));
- set.insert(CopyConversion(GL_RED, GL_BGRA_EXT));
- set.insert(CopyConversion(GL_RG, GL_BGRA_EXT));
- set.insert(CopyConversion(GL_RGB, GL_BGRA_EXT));
- set.insert(CopyConversion(GL_RGBA, GL_BGRA_EXT));
-
- set.insert(CopyConversion(GL_RED_INTEGER, GL_RED_INTEGER));
- set.insert(CopyConversion(GL_RED_INTEGER, GL_RG_INTEGER));
- set.insert(CopyConversion(GL_RED_INTEGER, GL_RGB_INTEGER));
- set.insert(CopyConversion(GL_RED_INTEGER, GL_RGBA_INTEGER));
- set.insert(CopyConversion(GL_RG_INTEGER, GL_RG_INTEGER));
- set.insert(CopyConversion(GL_RG_INTEGER, GL_RGB_INTEGER));
- set.insert(CopyConversion(GL_RG_INTEGER, GL_RGBA_INTEGER));
- set.insert(CopyConversion(GL_RGB_INTEGER, GL_RGB_INTEGER));
- set.insert(CopyConversion(GL_RGB_INTEGER, GL_RGBA_INTEGER));
- set.insert(CopyConversion(GL_RGBA_INTEGER, GL_RGBA_INTEGER));
-
- return set;
-}
-
-bool IsValidInternalFormat(GLenum internalFormat, const Context *context)
-{
- if (!context)
- {
- return false;
- }
-
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, context->getClientVersion(), &internalFormatInfo))
- {
- ASSERT(internalFormatInfo.mSupportFunction != NULL);
- return internalFormatInfo.mSupportFunction(context);
- }
- else
- {
- return false;
- }
-}
-
-bool IsValidFormat(GLenum format, GLuint clientVersion)
+static const InternalFormatInfoMap &GetInternalFormatMap()
{
- if (clientVersion == 2)
- {
- static const FormatSet formatSet = BuildES2ValidFormatSet();
- return formatSet.find(format) != formatSet.end();
- }
- else if (clientVersion == 3)
- {
- static const FormatSet formatSet = BuildES3ValidFormatSet();
- return formatSet.find(format) != formatSet.end();
- }
- else
- {
- UNREACHABLE();
- return false;
- }
-}
-
-bool IsValidType(GLenum type, GLuint clientVersion)
-{
- if (clientVersion == 2)
- {
- static const TypeSet typeSet = BuildES2ValidTypeSet();
- return typeSet.find(type) != typeSet.end();
- }
- else if (clientVersion == 3)
- {
- static const TypeSet typeSet = BuildES3ValidTypeSet();
- return typeSet.find(type) != typeSet.end();
- }
- else
- {
- UNREACHABLE();
- return false;
- }
+ static const InternalFormatInfoMap formatMap = BuildInternalFormatInfoMap();
+ return formatMap;
}
-bool IsValidFormatCombination(GLenum internalFormat, GLenum format, GLenum type, GLuint clientVersion)
+static FormatSet BuildAllSizedInternalFormatSet()
{
- if (clientVersion == 2)
- {
- static const FormatMap &formats = GetFormatMap(clientVersion);
- FormatMap::const_iterator iter = formats.find(FormatTypePair(format, type));
+ FormatSet result;
- return (iter != formats.end()) && ((internalFormat == (GLint)type) || (internalFormat == iter->second.mInternalFormat));
- }
- else if (clientVersion == 3)
+ const InternalFormatInfoMap &formats = GetInternalFormatMap();
+ for (InternalFormatInfoMap::const_iterator i = formats.begin(); i != formats.end(); i++)
{
- static const ES3FormatSet &formats = GetES3FormatSet();
- return formats.find(FormatInfo(internalFormat, format, type)) != formats.end();
- }
- else
- {
- UNREACHABLE();
- return false;
- }
-}
-
-bool IsValidCopyTexImageCombination(GLenum textureInternalFormat, GLenum frameBufferInternalFormat, GLuint readBufferHandle, GLuint clientVersion)
-{
- InternalFormatInfo textureInternalFormatInfo;
- InternalFormatInfo framebufferInternalFormatInfo;
- if (GetInternalFormatInfo(textureInternalFormat, clientVersion, &textureInternalFormatInfo) &&
- GetInternalFormatInfo(frameBufferInternalFormat, clientVersion, &framebufferInternalFormatInfo))
- {
- if (clientVersion == 2)
- {
- UNIMPLEMENTED();
- return false;
- }
- else if (clientVersion == 3)
- {
- static const CopyConversionSet conversionSet = BuildValidES3CopyTexImageCombinations();
- const CopyConversion conversion = CopyConversion(textureInternalFormatInfo.mFormat,
- framebufferInternalFormatInfo.mFormat);
- if (conversionSet.find(conversion) != conversionSet.end())
- {
- // Section 3.8.5 of the GLES 3.0.3 spec states that source and destination formats
- // must both be signed, unsigned, or fixed point and both source and destinations
- // must be either both SRGB or both not SRGB. EXT_color_buffer_float adds allowed
- // conversion between fixed and floating point.
-
- if ((textureInternalFormatInfo.mColorEncoding == GL_SRGB) != (framebufferInternalFormatInfo.mColorEncoding == GL_SRGB))
- {
- return false;
- }
-
- if (((textureInternalFormatInfo.mComponentType == GL_INT) != (framebufferInternalFormatInfo.mComponentType == GL_INT)) ||
- ((textureInternalFormatInfo.mComponentType == GL_UNSIGNED_INT) != (framebufferInternalFormatInfo.mComponentType == GL_UNSIGNED_INT)))
- {
- return false;
- }
-
- if (gl::IsFloatOrFixedComponentType(textureInternalFormatInfo.mComponentType) &&
- !gl::IsFloatOrFixedComponentType(framebufferInternalFormatInfo.mComponentType))
- {
- return false;
- }
-
- // GLES specification 3.0.3, sec 3.8.5, pg 139-140:
- // The effective internal format of the source buffer is determined with the following rules applied in order:
- // * If the source buffer is a texture or renderbuffer that was created with a sized internal format then the
- // effective internal format is the source buffer's sized internal format.
- // * If the source buffer is a texture that was created with an unsized base internal format, then the
- // effective internal format is the source image array's effective internal format, as specified by table
- // 3.12, which is determined from the <format> and <type> that were used when the source image array was
- // specified by TexImage*.
- // * Otherwise the effective internal format is determined by the row in table 3.17 or 3.18 where
- // Destination Internal Format matches internalformat and where the [source channel sizes] are consistent
- // with the values of the source buffer's [channel sizes]. Table 3.17 is used if the
- // FRAMEBUFFER_ATTACHMENT_ENCODING is LINEAR and table 3.18 is used if the FRAMEBUFFER_ATTACHMENT_ENCODING
- // is SRGB.
- InternalFormatInfo sourceEffectiveFormat;
- if (readBufferHandle != 0)
- {
- // Not the default framebuffer, therefore the read buffer must be a user-created texture or renderbuffer
- if (gl::IsSizedInternalFormat(framebufferInternalFormatInfo.mFormat, clientVersion))
- {
- sourceEffectiveFormat = framebufferInternalFormatInfo;
- }
- else
- {
- // Renderbuffers cannot be created with an unsized internal format, so this must be an unsized-format
- // texture. We can use the same table we use when creating textures to get its effective sized format.
- GLenum effectiveFormat = gl::GetSizedInternalFormat(framebufferInternalFormatInfo.mFormat,
- framebufferInternalFormatInfo.mType, clientVersion);
- gl::GetInternalFormatInfo(effectiveFormat, clientVersion, &sourceEffectiveFormat);
- }
- }
- else
- {
- // The effective internal format must be derived from the source framebuffer's channel sizes.
- // This is done in GetEffectiveInternalFormat for linear buffers (table 3.17)
- if (framebufferInternalFormatInfo.mColorEncoding == GL_LINEAR)
- {
- GLenum effectiveFormat;
- if (GetEffectiveInternalFormat(framebufferInternalFormatInfo, textureInternalFormatInfo, clientVersion, &effectiveFormat))
- {
- gl::GetInternalFormatInfo(effectiveFormat, clientVersion, &sourceEffectiveFormat);
- }
- else
- {
- return false;
- }
- }
- else if (framebufferInternalFormatInfo.mColorEncoding == GL_SRGB)
- {
- // SRGB buffers can only be copied to sized format destinations according to table 3.18
- if (gl::IsSizedInternalFormat(textureInternalFormat, clientVersion) &&
- (framebufferInternalFormatInfo.mRedBits >= 1 && framebufferInternalFormatInfo.mRedBits <= 8) &&
- (framebufferInternalFormatInfo.mGreenBits >= 1 && framebufferInternalFormatInfo.mGreenBits <= 8) &&
- (framebufferInternalFormatInfo.mBlueBits >= 1 && framebufferInternalFormatInfo.mBlueBits <= 8) &&
- (framebufferInternalFormatInfo.mAlphaBits >= 1 && framebufferInternalFormatInfo.mAlphaBits <= 8))
- {
- gl::GetInternalFormatInfo(GL_SRGB8_ALPHA8, clientVersion, &sourceEffectiveFormat);
- }
- else
- {
- return false;
- }
- }
- else
- {
- UNREACHABLE();
- }
- }
-
- if (gl::IsSizedInternalFormat(textureInternalFormatInfo.mFormat, clientVersion))
- {
- // Section 3.8.5 of the GLES 3.0.3 spec, pg 139, requires that, if the destination format is sized,
- // component sizes of the source and destination formats must exactly match
- if (textureInternalFormatInfo.mRedBits != sourceEffectiveFormat.mRedBits ||
- textureInternalFormatInfo.mGreenBits != sourceEffectiveFormat.mGreenBits ||
- textureInternalFormatInfo.mBlueBits != sourceEffectiveFormat.mBlueBits ||
- textureInternalFormatInfo.mAlphaBits != sourceEffectiveFormat.mAlphaBits)
- {
- return false;
- }
- }
-
-
- return true; // A conversion function exists, and no rule in the specification has precluded conversion
- // between these formats.
- }
-
- return false;
- }
- else
+ if (i->second.pixelBytes > 0)
{
- UNREACHABLE();
- return false;
+ result.insert(i->first);
}
}
- else
- {
- UNREACHABLE();
- return false;
- }
-}
-
-bool IsSizedInternalFormat(GLenum internalFormat, GLuint clientVersion)
-{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- return internalFormatInfo.mPixelBits > 0;
- }
- else
- {
- UNREACHABLE();
- return false;
- }
-}
-
-GLenum GetSizedInternalFormat(GLenum format, GLenum type, GLuint clientVersion)
-{
- const FormatMap &formats = GetFormatMap(clientVersion);
- FormatMap::const_iterator iter = formats.find(FormatTypePair(format, type));
- return (iter != formats.end()) ? iter->second.mInternalFormat : GL_NONE;
-}
-
-GLuint GetPixelBytes(GLenum internalFormat, GLuint clientVersion)
-{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- return internalFormatInfo.mPixelBits / 8;
- }
- else
- {
- UNREACHABLE();
- return 0;
- }
-}
-
-GLuint GetAlphaBits(GLenum internalFormat, GLuint clientVersion)
-{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- return internalFormatInfo.mAlphaBits;
- }
- else
- {
- UNREACHABLE();
- return 0;
- }
-}
-
-GLuint GetRedBits(GLenum internalFormat, GLuint clientVersion)
-{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- return internalFormatInfo.mRedBits;
- }
- else
- {
- UNREACHABLE();
- return 0;
- }
-}
-
-GLuint GetGreenBits(GLenum internalFormat, GLuint clientVersion)
-{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- return internalFormatInfo.mGreenBits;
- }
- else
- {
- UNREACHABLE();
- return 0;
- }
-}
-
-GLuint GetBlueBits(GLenum internalFormat, GLuint clientVersion)
-{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- return internalFormatInfo.mBlueBits;
- }
- else
- {
- UNREACHABLE();
- return 0;
- }
-}
-
-GLuint GetLuminanceBits(GLenum internalFormat, GLuint clientVersion)
-{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- return internalFormatInfo.mLuminanceBits;
- }
- else
- {
- UNREACHABLE();
- return 0;
- }
-}
-
-GLuint GetDepthBits(GLenum internalFormat, GLuint clientVersion)
-{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- return internalFormatInfo.mDepthBits;
- }
- else
- {
- UNREACHABLE();
- return 0;
- }
-}
-
-GLuint GetStencilBits(GLenum internalFormat, GLuint clientVersion)
-{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- return internalFormatInfo.mStencilBits;
- }
- else
- {
- UNREACHABLE();
- return 0;
- }
-}
-
-GLuint GetTypeBytes(GLenum type)
-{
- TypeInfo typeInfo;
- if (GetTypeInfo(type, &typeInfo))
- {
- return typeInfo.mTypeBytes;
- }
- else
- {
- UNREACHABLE();
- return 0;
- }
-}
-
-bool IsSpecialInterpretationType(GLenum type)
-{
- TypeInfo typeInfo;
- if (GetTypeInfo(type, &typeInfo))
- {
- return typeInfo.mSpecialInterpretation;
- }
- else
- {
- UNREACHABLE();
- return false;
- }
-}
-
-bool IsFloatOrFixedComponentType(GLenum type)
-{
- if (type == GL_UNSIGNED_NORMALIZED ||
- type == GL_SIGNED_NORMALIZED ||
- type == GL_FLOAT)
- {
- return true;
- }
- else
- {
- return false;
- }
-}
-
-GLenum GetFormat(GLenum internalFormat, GLuint clientVersion)
-{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- return internalFormatInfo.mFormat;
- }
- else
- {
- UNREACHABLE();
- return GL_NONE;
- }
-}
-
-GLenum GetType(GLenum internalFormat, GLuint clientVersion)
-{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- return internalFormatInfo.mType;
- }
- else
- {
- UNREACHABLE();
- return GL_NONE;
- }
-}
-
-GLenum GetComponentType(GLenum internalFormat, GLuint clientVersion)
-{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- return internalFormatInfo.mComponentType;
- }
- else
- {
- UNREACHABLE();
- return GL_NONE;
- }
-}
-
-GLuint GetComponentCount(GLenum internalFormat, GLuint clientVersion)
-{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- return internalFormatInfo.mComponentCount;
- }
- else
- {
- UNREACHABLE();
- return false;
- }
-}
-
-GLenum GetColorEncoding(GLenum internalFormat, GLuint clientVersion)
-{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- return internalFormatInfo.mColorEncoding;
- }
- else
- {
- UNREACHABLE();
- return false;
- }
-}
-
-bool IsColorRenderingSupported(GLenum internalFormat, const rx::Renderer *renderer)
-{
- InternalFormatInfo internalFormatInfo;
- if (renderer && GetInternalFormatInfo(internalFormat, renderer->getCurrentClientVersion(), &internalFormatInfo))
- {
- return internalFormatInfo.mIsColorRenderable(NULL, renderer);
- }
- else
- {
- UNREACHABLE();
- return false;
- }
-}
-bool IsColorRenderingSupported(GLenum internalFormat, const Context *context)
-{
- InternalFormatInfo internalFormatInfo;
- if (context && GetInternalFormatInfo(internalFormat, context->getClientVersion(), &internalFormatInfo))
- {
- return internalFormatInfo.mIsColorRenderable(context, NULL);
- }
- else
- {
- UNREACHABLE();
- return false;
- }
+ return result;
}
-bool IsTextureFilteringSupported(GLenum internalFormat, const rx::Renderer *renderer)
+const FormatType &GetFormatTypeInfo(GLenum format, GLenum type)
{
- InternalFormatInfo internalFormatInfo;
- if (renderer && GetInternalFormatInfo(internalFormat, renderer->getCurrentClientVersion(), &internalFormatInfo))
+ static const FormatMap formatMap = BuildFormatMap();
+ FormatMap::const_iterator iter = formatMap.find(FormatTypePair(format, type));
+ if (iter != formatMap.end())
{
- return internalFormatInfo.mIsTextureFilterable(NULL, renderer);
+ return iter->second;
}
else
{
- UNREACHABLE();
- return false;
+ static const FormatType defaultInfo;
+ return defaultInfo;
}
}
-bool IsTextureFilteringSupported(GLenum internalFormat, const Context *context)
+const Type &GetTypeInfo(GLenum type)
{
- InternalFormatInfo internalFormatInfo;
- if (context && GetInternalFormatInfo(internalFormat, context->getClientVersion(), &internalFormatInfo))
+ static const TypeInfoMap infoMap = BuildTypeInfoMap();
+ TypeInfoMap::const_iterator iter = infoMap.find(type);
+ if (iter != infoMap.end())
{
- return internalFormatInfo.mIsTextureFilterable(context, NULL);
+ return iter->second;
}
else
{
- UNREACHABLE();
- return false;
+ static const Type defaultInfo;
+ return defaultInfo;
}
}
-bool IsDepthRenderingSupported(GLenum internalFormat, const rx::Renderer *renderer)
+const InternalFormat &GetInternalFormatInfo(GLenum internalFormat)
{
- InternalFormatInfo internalFormatInfo;
- if (renderer && GetInternalFormatInfo(internalFormat, renderer->getCurrentClientVersion(), &internalFormatInfo))
+ const InternalFormatInfoMap &formatMap = GetInternalFormatMap();
+ InternalFormatInfoMap::const_iterator iter = formatMap.find(internalFormat);
+ if (iter != formatMap.end())
{
- return internalFormatInfo.mIsDepthRenderable(NULL, renderer);
+ return iter->second;
}
else
{
- UNREACHABLE();
- return false;
+ static const InternalFormat defaultInternalFormat;
+ return defaultInternalFormat;
}
}
-bool IsDepthRenderingSupported(GLenum internalFormat, const Context *context)
+GLuint InternalFormat::computeRowPitch(GLenum type, GLsizei width, GLint alignment) const
{
- InternalFormatInfo internalFormatInfo;
- if (context && GetInternalFormatInfo(internalFormat, context->getClientVersion(), &internalFormatInfo))
- {
- return internalFormatInfo.mIsDepthRenderable(context, NULL);
- }
- else
- {
- UNREACHABLE();
- return false;
- }
+ ASSERT(alignment > 0 && isPow2(alignment));
+ return rx::roundUp(computeBlockSize(type, width, 1), static_cast<GLuint>(alignment));
}
-bool IsStencilRenderingSupported(GLenum internalFormat, const rx::Renderer *renderer)
+GLuint InternalFormat::computeDepthPitch(GLenum type, GLsizei width, GLsizei height, GLint alignment) const
{
- InternalFormatInfo internalFormatInfo;
- if (renderer && GetInternalFormatInfo(internalFormat, renderer->getCurrentClientVersion(), &internalFormatInfo))
- {
- return internalFormatInfo.mIsStencilRenderable(NULL, renderer);
- }
- else
- {
- UNREACHABLE();
- return false;
- }
+ return computeRowPitch(type, width, alignment) * height;
}
-bool IsStencilRenderingSupported(GLenum internalFormat, const Context *context)
+GLuint InternalFormat::computeBlockSize(GLenum type, GLsizei width, GLsizei height) const
{
- InternalFormatInfo internalFormatInfo;
- if (context && GetInternalFormatInfo(internalFormat, context->getClientVersion(), &internalFormatInfo))
+ if (compressed)
{
- return internalFormatInfo.mIsStencilRenderable(context, NULL);
+ GLsizei numBlocksWide = (width + compressedBlockWidth - 1) / compressedBlockWidth;
+ GLsizei numBlocksHight = (height + compressedBlockHeight - 1) / compressedBlockHeight;
+ return (pixelBytes * numBlocksWide * numBlocksHight);
}
else
{
- UNREACHABLE();
- return false;
- }
-}
-
-GLuint GetRowPitch(GLenum internalFormat, GLenum type, GLuint clientVersion, GLsizei width, GLint alignment)
-{
- ASSERT(alignment > 0 && isPow2(alignment));
- return rx::roundUp(GetBlockSize(internalFormat, type, clientVersion, width, 1), static_cast<GLuint>(alignment));
-}
-
-GLuint GetDepthPitch(GLenum internalFormat, GLenum type, GLuint clientVersion, GLsizei width, GLsizei height, GLint alignment)
-{
- return GetRowPitch(internalFormat, type, clientVersion, width, alignment) * height;
-}
-
-GLuint GetBlockSize(GLenum internalFormat, GLenum type, GLuint clientVersion, GLsizei width, GLsizei height)
-{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- if (internalFormatInfo.mIsCompressed)
+ const Type &typeInfo = GetTypeInfo(type);
+ if (typeInfo.specialInterpretation)
{
- GLsizei numBlocksWide = (width + internalFormatInfo.mCompressedBlockWidth - 1) / internalFormatInfo.mCompressedBlockWidth;
- GLsizei numBlocksHight = (height + internalFormatInfo.mCompressedBlockHeight - 1) / internalFormatInfo.mCompressedBlockHeight;
-
- return (internalFormatInfo.mPixelBits * numBlocksWide * numBlocksHight) / 8;
+ return typeInfo.bytes * width * height;
}
else
{
- TypeInfo typeInfo;
- if (GetTypeInfo(type, &typeInfo))
- {
- if (typeInfo.mSpecialInterpretation)
- {
- return typeInfo.mTypeBytes * width * height;
- }
- else
- {
- return internalFormatInfo.mComponentCount * typeInfo.mTypeBytes * width * height;
- }
- }
- else
- {
- UNREACHABLE();
- return 0;
- }
+ return componentCount * typeInfo.bytes * width * height;
}
}
- else
- {
- UNREACHABLE();
- return 0;
- }
-}
-
-bool IsFormatCompressed(GLenum internalFormat, GLuint clientVersion)
-{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- return internalFormatInfo.mIsCompressed;
- }
- else
- {
- UNREACHABLE();
- return false;
- }
}
-GLuint GetCompressedBlockWidth(GLenum internalFormat, GLuint clientVersion)
+GLenum GetSizedInternalFormat(GLenum internalFormat, GLenum type)
{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- return internalFormatInfo.mCompressedBlockWidth;
- }
- else
- {
- UNREACHABLE();
- return 0;
- }
-}
-
-GLuint GetCompressedBlockHeight(GLenum internalFormat, GLuint clientVersion)
-{
- InternalFormatInfo internalFormatInfo;
- if (GetInternalFormatInfo(internalFormat, clientVersion, &internalFormatInfo))
- {
- return internalFormatInfo.mCompressedBlockHeight;
- }
- else
- {
- UNREACHABLE();
- return 0;
- }
+ const InternalFormat& formatInfo = GetInternalFormatInfo(internalFormat);
+ return (formatInfo.pixelBytes > 0) ? internalFormat : GetFormatTypeInfo(internalFormat, type).internalFormat;
}
-ColorWriteFunction GetColorWriteFunction(GLenum format, GLenum type, GLuint clientVersion)
+const FormatSet &GetAllSizedInternalFormats()
{
- static const FormatMap &formats = GetFormatMap(clientVersion);
- FormatMap::const_iterator iter = formats.find(FormatTypePair(format, type));
- return (iter != formats.end()) ? iter->second.mColorWriteFunction : NULL;
+ static FormatSet formatSet = BuildAllSizedInternalFormatSet();
+ return formatSet;
}
}
projects / platform / framework / web / crosswalk.git / blobdiff