| // |
| // 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. |
| // |
| |
| // formatutils.cpp: Queries for GL image formats. |
| |
| #include "common/mathutil.h" |
| #include "libANGLE/formatutils.h" |
| #include "libANGLE/Context.h" |
| #include "libANGLE/Framebuffer.h" |
| |
| using namespace angle; |
| |
| namespace gl |
| { |
| |
| namespace |
| { |
| // ES2 requires that format is equal to internal format at all glTex*Image2D entry points and the implementation |
| // can decide the true, sized, internal format. The ES2FormatMap determines the internal format for all valid |
| // format and type combinations. |
| |
| typedef std::pair<FormatType, GLenum> FormatPair; |
| typedef std::map<FormatType, GLenum> FormatMap; |
| |
| // A helper function to insert data into the format map with fewer characters. |
| void InsertFormatMapping(FormatMap *map, GLenum format, GLenum type, GLenum internalFormat) |
| { |
| map->insert(FormatPair(FormatType(format, type), internalFormat)); |
| } |
| |
| FormatMap BuildFormatMap() |
| { |
| FormatMap map; |
| |
| // clang-format off |
| // | Format | Type | Internal format | |
| InsertFormatMapping(&map, GL_RGBA, GL_UNSIGNED_BYTE, GL_RGBA8); |
| InsertFormatMapping(&map, GL_RGBA, GL_BYTE, GL_RGBA8_SNORM); |
| InsertFormatMapping(&map, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, GL_RGBA4); |
| InsertFormatMapping(&map, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, GL_RGB5_A1); |
| InsertFormatMapping(&map, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, GL_RGB10_A2); |
| InsertFormatMapping(&map, GL_RGBA, GL_FLOAT, GL_RGBA32F); |
| InsertFormatMapping(&map, GL_RGBA, GL_HALF_FLOAT, GL_RGBA16F); |
| InsertFormatMapping(&map, GL_RGBA, GL_HALF_FLOAT_OES, GL_RGBA16F); |
| |
| InsertFormatMapping(&map, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, GL_RGBA8UI); |
| InsertFormatMapping(&map, GL_RGBA_INTEGER, GL_BYTE, GL_RGBA8I); |
| InsertFormatMapping(&map, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, GL_RGBA16UI); |
| InsertFormatMapping(&map, GL_RGBA_INTEGER, GL_SHORT, GL_RGBA16I); |
| InsertFormatMapping(&map, GL_RGBA_INTEGER, GL_UNSIGNED_INT, GL_RGBA32UI); |
| InsertFormatMapping(&map, GL_RGBA_INTEGER, GL_INT, GL_RGBA32I); |
| InsertFormatMapping(&map, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, GL_RGB10_A2UI); |
| |
| InsertFormatMapping(&map, GL_RGB, GL_UNSIGNED_BYTE, GL_RGB8); |
| InsertFormatMapping(&map, GL_RGB, GL_BYTE, GL_RGB8_SNORM); |
| InsertFormatMapping(&map, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, GL_RGB565); |
| InsertFormatMapping(&map, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, GL_R11F_G11F_B10F); |
| InsertFormatMapping(&map, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, GL_RGB9_E5); |
| InsertFormatMapping(&map, GL_RGB, GL_FLOAT, GL_RGB32F); |
| InsertFormatMapping(&map, GL_RGB, GL_HALF_FLOAT, GL_RGB16F); |
| InsertFormatMapping(&map, GL_RGB, GL_HALF_FLOAT_OES, GL_RGB16F); |
| |
| InsertFormatMapping(&map, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, GL_RGB8UI); |
| InsertFormatMapping(&map, GL_RGB_INTEGER, GL_BYTE, GL_RGB8I); |
| InsertFormatMapping(&map, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, GL_RGB16UI); |
| InsertFormatMapping(&map, GL_RGB_INTEGER, GL_SHORT, GL_RGB16I); |
| InsertFormatMapping(&map, GL_RGB_INTEGER, GL_UNSIGNED_INT, GL_RGB32UI); |
| InsertFormatMapping(&map, GL_RGB_INTEGER, GL_INT, GL_RGB32I); |
| |
| InsertFormatMapping(&map, GL_RG, GL_UNSIGNED_BYTE, GL_RG8); |
| InsertFormatMapping(&map, GL_RG, GL_BYTE, GL_RG8_SNORM); |
| InsertFormatMapping(&map, GL_RG, GL_FLOAT, GL_RG32F); |
| InsertFormatMapping(&map, GL_RG, GL_HALF_FLOAT, GL_RG16F); |
| InsertFormatMapping(&map, GL_RG, GL_HALF_FLOAT_OES, GL_RG16F); |
| |
| InsertFormatMapping(&map, GL_RG_INTEGER, GL_UNSIGNED_BYTE, GL_RG8UI); |
| InsertFormatMapping(&map, GL_RG_INTEGER, GL_BYTE, GL_RG8I); |
| InsertFormatMapping(&map, GL_RG_INTEGER, GL_UNSIGNED_SHORT, GL_RG16UI); |
| InsertFormatMapping(&map, GL_RG_INTEGER, GL_SHORT, GL_RG16I); |
| InsertFormatMapping(&map, GL_RG_INTEGER, GL_UNSIGNED_INT, GL_RG32UI); |
| InsertFormatMapping(&map, GL_RG_INTEGER, GL_INT, GL_RG32I); |
| |
| InsertFormatMapping(&map, GL_RED, GL_UNSIGNED_BYTE, GL_R8); |
| InsertFormatMapping(&map, GL_RED, GL_BYTE, GL_R8_SNORM); |
| InsertFormatMapping(&map, GL_RED, GL_FLOAT, GL_R32F); |
| InsertFormatMapping(&map, GL_RED, GL_HALF_FLOAT, GL_R16F); |
| InsertFormatMapping(&map, GL_RED, GL_HALF_FLOAT_OES, GL_R16F); |
| |
| InsertFormatMapping(&map, GL_RED_INTEGER, GL_UNSIGNED_BYTE, GL_R8UI); |
| InsertFormatMapping(&map, GL_RED_INTEGER, GL_BYTE, GL_R8I); |
| InsertFormatMapping(&map, GL_RED_INTEGER, GL_UNSIGNED_SHORT, GL_R16UI); |
| InsertFormatMapping(&map, GL_RED_INTEGER, GL_SHORT, GL_R16I); |
| InsertFormatMapping(&map, GL_RED_INTEGER, GL_UNSIGNED_INT, GL_R32UI); |
| InsertFormatMapping(&map, GL_RED_INTEGER, GL_INT, GL_R32I); |
| |
| InsertFormatMapping(&map, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, GL_LUMINANCE8_ALPHA8_EXT); |
| InsertFormatMapping(&map, GL_LUMINANCE, GL_UNSIGNED_BYTE, GL_LUMINANCE8_EXT); |
| InsertFormatMapping(&map, GL_ALPHA, GL_UNSIGNED_BYTE, GL_ALPHA8_EXT); |
| InsertFormatMapping(&map, GL_LUMINANCE_ALPHA, GL_FLOAT, GL_LUMINANCE_ALPHA32F_EXT); |
| InsertFormatMapping(&map, GL_LUMINANCE, GL_FLOAT, GL_LUMINANCE32F_EXT); |
| InsertFormatMapping(&map, GL_ALPHA, GL_FLOAT, GL_ALPHA32F_EXT); |
| InsertFormatMapping(&map, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT, GL_LUMINANCE_ALPHA16F_EXT); |
| InsertFormatMapping(&map, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES, GL_LUMINANCE_ALPHA16F_EXT); |
| InsertFormatMapping(&map, GL_LUMINANCE, GL_HALF_FLOAT, GL_LUMINANCE16F_EXT); |
| InsertFormatMapping(&map, GL_LUMINANCE, GL_HALF_FLOAT_OES, GL_LUMINANCE16F_EXT); |
| InsertFormatMapping(&map, GL_ALPHA, GL_HALF_FLOAT, GL_ALPHA16F_EXT); |
| InsertFormatMapping(&map, GL_ALPHA, GL_HALF_FLOAT_OES, GL_ALPHA16F_EXT); |
| |
| InsertFormatMapping(&map, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_BGRA8_EXT); |
| InsertFormatMapping(&map, GL_BGRA_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, GL_BGRA4_ANGLEX); |
| InsertFormatMapping(&map, GL_BGRA_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, GL_BGR5_A1_ANGLEX); |
| |
| InsertFormatMapping(&map, GL_SRGB_EXT, GL_UNSIGNED_BYTE, GL_SRGB8); |
| InsertFormatMapping(&map, GL_SRGB_ALPHA_EXT, GL_UNSIGNED_BYTE, GL_SRGB8_ALPHA8); |
| |
| InsertFormatMapping(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, GL_COMPRESSED_RGB_S3TC_DXT1_EXT); |
| InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_UNSIGNED_BYTE, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT); |
| InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE); |
| InsertFormatMapping(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE); |
| |
| InsertFormatMapping(&map, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, GL_DEPTH_COMPONENT16); |
| InsertFormatMapping(&map, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_DEPTH_COMPONENT32_OES); |
| InsertFormatMapping(&map, GL_DEPTH_COMPONENT, GL_FLOAT, GL_DEPTH_COMPONENT32F); |
| |
| InsertFormatMapping(&map, GL_STENCIL, GL_UNSIGNED_BYTE, GL_STENCIL_INDEX8); |
| |
| InsertFormatMapping(&map, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, GL_DEPTH24_STENCIL8); |
| InsertFormatMapping(&map, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, GL_DEPTH32F_STENCIL8); |
| |
| // From GL_EXT_texture_norm16 |
| InsertFormatMapping(&map, GL_RED, GL_UNSIGNED_SHORT, GL_R16_EXT); |
| InsertFormatMapping(&map, GL_RED, GL_SHORT, GL_R16_SNORM_EXT); |
| InsertFormatMapping(&map, GL_RG, GL_UNSIGNED_SHORT, GL_RG16_EXT); |
| InsertFormatMapping(&map, GL_RG, GL_SHORT, GL_RG16_SNORM_EXT); |
| InsertFormatMapping(&map, GL_RGB, GL_UNSIGNED_SHORT, GL_RGB16_EXT); |
| InsertFormatMapping(&map, GL_RGB, GL_SHORT, GL_RGB16_SNORM_EXT); |
| InsertFormatMapping(&map, GL_RGBA, GL_UNSIGNED_SHORT, GL_RGBA16_EXT); |
| InsertFormatMapping(&map, GL_RGBA, GL_SHORT, GL_RGBA16_SNORM_EXT); |
| // clang-format on |
| |
| return map; |
| } |
| |
| GLenum GetSizedFormatInternal(GLenum format, GLenum type) |
| { |
| static const FormatMap formatMap = BuildFormatMap(); |
| auto iter = formatMap.find(FormatType(format, type)); |
| if (iter != formatMap.end()) |
| { |
| return iter->second; |
| } |
| |
| // TODO(jmadill): Fix this hack. |
| if (format == GL_BGRA_EXT && type == GL_UNSIGNED_SHORT_5_6_5) |
| return GL_BGR565_ANGLEX; |
| |
| if (format == GL_NONE) |
| return GL_NONE; |
| |
| UNREACHABLE(); |
| return GL_NONE; |
| } |
| |
| typedef std::pair<GLenum, InternalFormat> InternalFormatInfoPair; |
| typedef std::map<GLenum, InternalFormat> InternalFormatInfoMap; |
| |
| } // anonymous namespace |
| |
| FormatType::FormatType() : format(GL_NONE), type(GL_NONE) |
| { |
| } |
| |
| FormatType::FormatType(GLenum format_, GLenum type_) : format(format_), type(type_) |
| { |
| } |
| |
| bool FormatType::operator<(const FormatType &other) const |
| { |
| if (format != other.format) |
| return format < other.format; |
| return type < other.type; |
| } |
| |
| Type::Type() |
| : bytes(0), |
| bytesShift(0), |
| specialInterpretation(false) |
| { |
| } |
| |
| static Type GenTypeInfo(GLuint bytes, bool specialInterpretation) |
| { |
| Type info; |
| info.bytes = bytes; |
| GLuint i = 0; |
| while ((1u << i) < bytes) |
| { |
| ++i; |
| } |
| info.bytesShift = i; |
| ASSERT((1u << info.bytesShift) == bytes); |
| info.specialInterpretation = specialInterpretation; |
| return info; |
| } |
| |
| bool operator<(const Type& a, const Type& b) |
| { |
| return memcmp(&a, &b, sizeof(Type)) < 0; |
| } |
| |
| // Information about internal formats |
| static bool AlwaysSupported(GLuint, const Extensions &) |
| { |
| return true; |
| } |
| |
| static bool NeverSupported(GLuint, const Extensions &) |
| { |
| return false; |
| } |
| |
| template <GLuint minCoreGLVersion> |
| static bool RequireES(GLuint clientVersion, const Extensions &) |
| { |
| return clientVersion >= minCoreGLVersion; |
| } |
| |
| // Pointer to a boolean memeber of the Extensions struct |
| typedef bool(Extensions::*ExtensionBool); |
| |
| // Check support for a single extension |
| template <ExtensionBool bool1> |
| static bool RequireExt(GLuint, const Extensions & extensions) |
| { |
| return extensions.*bool1; |
| } |
| |
| // Check for a minimum client version or a single extension |
| template <GLuint minCoreGLVersion, ExtensionBool bool1> |
| static bool RequireESOrExt(GLuint clientVersion, const Extensions &extensions) |
| { |
| return clientVersion >= minCoreGLVersion || extensions.*bool1; |
| } |
| |
| // Check for a minimum client version or two extensions |
| template <GLuint minCoreGLVersion, ExtensionBool bool1, ExtensionBool bool2> |
| static bool RequireESOrExtAndExt(GLuint clientVersion, const Extensions &extensions) |
| { |
| return clientVersion >= minCoreGLVersion || (extensions.*bool1 && extensions.*bool2); |
| } |
| |
| // Check for a minimum client version or at least one of two extensions |
| template <GLuint minCoreGLVersion, ExtensionBool bool1, ExtensionBool bool2> |
| static bool RequireESOrExtOrExt(GLuint clientVersion, const Extensions &extensions) |
| { |
| return clientVersion >= minCoreGLVersion || extensions.*bool1 || extensions.*bool2; |
| } |
| |
| // Check support for two extensions |
| template <ExtensionBool bool1, ExtensionBool bool2> |
| static bool RequireExtAndExt(GLuint, const Extensions &extensions) |
| { |
| return extensions.*bool1 && extensions.*bool2; |
| } |
| |
| // Check support for either of two extensions |
| template <ExtensionBool bool1, ExtensionBool bool2> |
| static bool RequireExtOrExt(GLuint, const Extensions &extensions) |
| { |
| return extensions.*bool1 || extensions.*bool2; |
| } |
| |
| // Special function for half float formats with three or four channels. |
| static bool HalfFloatSupport(GLuint clientVersion, const Extensions &extensions) |
| { |
| return clientVersion >= 3 || extensions.textureHalfFloat; |
| } |
| |
| static bool HalfFloatRenderableSupport(GLuint clientVersion, const Extensions &extensions) |
| { |
| return HalfFloatSupport(clientVersion, extensions) && extensions.colorBufferHalfFloat; |
| } |
| |
| // Special function for half float formats with one or two channels. |
| static bool HalfFloatSupportRG(GLuint clientVersion, const Extensions &extensions) |
| { |
| return clientVersion >= 3 || (extensions.textureHalfFloat && extensions.textureRG); |
| } |
| |
| static bool HalfFloatRenderableSupportRG(GLuint clientVersion, const Extensions &extensions) |
| { |
| return HalfFloatSupportRG(clientVersion, extensions) && extensions.colorBufferHalfFloat; |
| } |
| |
| // Special function for float formats with three or four channels. |
| static bool FloatSupport(GLuint clientVersion, const Extensions &extensions) |
| { |
| return clientVersion >= 3 || extensions.textureFloat; |
| } |
| |
| static bool FloatRenderableSupport(GLuint clientVersion, const Extensions &extensions) |
| { |
| // We don't expose colorBufferFloat in ES2, but we silently support rendering to float. |
| return FloatSupport(clientVersion, extensions) && |
| (extensions.colorBufferFloat || clientVersion == 2); |
| } |
| |
| // Special function for float formats with one or two channels. |
| static bool FloatSupportRG(GLuint clientVersion, const Extensions &extensions) |
| { |
| return clientVersion >= 3 || (extensions.textureFloat && extensions.textureRG); |
| } |
| |
| static bool FloatRenderableSupportRG(GLuint clientVersion, const Extensions &extensions) |
| { |
| // We don't expose colorBufferFloat in ES2, but we silently support rendering to float. |
| return FloatSupportRG(clientVersion, extensions) && |
| (extensions.colorBufferFloat || clientVersion == 2); |
| } |
| |
| InternalFormat::InternalFormat() |
| : internalFormat(GL_NONE), |
| redBits(0), |
| greenBits(0), |
| blueBits(0), |
| luminanceBits(0), |
| alphaBits(0), |
| sharedBits(0), |
| depthBits(0), |
| stencilBits(0), |
| pixelBytes(0), |
| componentCount(0), |
| compressed(false), |
| compressedBlockWidth(0), |
| compressedBlockHeight(0), |
| format(GL_NONE), |
| type(GL_NONE), |
| componentType(GL_NONE), |
| colorEncoding(GL_NONE), |
| textureSupport(NeverSupported), |
| renderSupport(NeverSupported), |
| filterSupport(NeverSupported) |
| { |
| } |
| |
| bool InternalFormat::isLUMA() const |
| { |
| return ((redBits + greenBits + blueBits + depthBits + stencilBits) == 0 && |
| (luminanceBits + alphaBits) > 0); |
| } |
| |
| GLenum InternalFormat::getReadPixelsFormat() const |
| { |
| return format; |
| } |
| |
| GLenum InternalFormat::getReadPixelsType() const |
| { |
| switch (type) |
| { |
| case GL_HALF_FLOAT: |
| // The internal format may have a type of GL_HALF_FLOAT but when exposing this type as |
| // the IMPLEMENTATION_READ_TYPE, only HALF_FLOAT_OES is allowed by |
| // OES_texture_half_float |
| return GL_HALF_FLOAT_OES; |
| |
| default: |
| return type; |
| } |
| } |
| |
| Format::Format(GLenum internalFormat) : Format(GetInternalFormatInfo(internalFormat)) |
| { |
| } |
| |
| Format::Format(const InternalFormat &internalFormat) |
| : info(&internalFormat), format(info->format), type(info->type), sized(true) |
| { |
| ASSERT((info->pixelBytes > 0 && format != GL_NONE && type != GL_NONE) || |
| internalFormat.format == GL_NONE); |
| } |
| |
| Format::Format(GLenum internalFormat, GLenum format, GLenum type) |
| : info(nullptr), format(format), type(type), sized(false) |
| { |
| const auto &plainInfo = GetInternalFormatInfo(internalFormat); |
| sized = plainInfo.pixelBytes > 0; |
| info = (sized ? &plainInfo : &GetInternalFormatInfo(GetSizedFormatInternal(format, type))); |
| ASSERT(format == GL_NONE || info->pixelBytes > 0); |
| } |
| |
| Format::Format(const Format &other) = default; |
| Format &Format::operator=(const Format &other) = default; |
| |
| GLenum Format::asSized() const |
| { |
| return sized ? info->internalFormat : GetSizedFormatInternal(format, type); |
| } |
| |
| bool Format::valid() const |
| { |
| return info->format != GL_NONE; |
| } |
| |
| // static |
| bool Format::SameSized(const Format &a, const Format &b) |
| { |
| return (a.info == b.info); |
| } |
| |
| // static |
| Format Format::Invalid() |
| { |
| static Format invalid(GL_NONE, GL_NONE, GL_NONE); |
| return invalid; |
| } |
| |
| bool InternalFormat::operator==(const InternalFormat &other) const |
| { |
| // We assume there are no duplicates. |
| ASSERT((this == &other) == (internalFormat == other.internalFormat)); |
| return internalFormat == other.internalFormat; |
| } |
| |
| bool InternalFormat::operator!=(const InternalFormat &other) const |
| { |
| // We assume there are no duplicates. |
| ASSERT((this != &other) == (internalFormat != other.internalFormat)); |
| return internalFormat != other.internalFormat; |
| } |
| |
| static void AddUnsizedFormat(InternalFormatInfoMap *map, |
| GLenum internalFormat, |
| GLenum format, |
| InternalFormat::SupportCheckFunction textureSupport, |
| InternalFormat::SupportCheckFunction renderSupport, |
| InternalFormat::SupportCheckFunction filterSupport) |
| { |
| InternalFormat formatInfo; |
| formatInfo.internalFormat = internalFormat; |
| formatInfo.format = format; |
| formatInfo.textureSupport = textureSupport; |
| formatInfo.renderSupport = renderSupport; |
| formatInfo.filterSupport = filterSupport; |
| ASSERT(map->count(internalFormat) == 0); |
| (*map)[internalFormat] = formatInfo; |
| } |
| |
| void AddRGBAFormat(InternalFormatInfoMap *map, |
| GLenum internalFormat, |
| 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.internalFormat = internalFormat; |
| 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; |
| ASSERT(map->count(internalFormat) == 0); |
| (*map)[internalFormat] = 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.internalFormat = GetSizedFormatInternal(format, type); |
| 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; |
| } |
| |
| void AddDepthStencilFormat(InternalFormatInfoMap *map, |
| GLenum internalFormat, |
| GLuint depthBits, |
| GLuint stencilBits, |
| GLuint unusedBits, |
| GLenum format, |
| GLenum type, |
| GLenum componentType, |
| InternalFormat::SupportCheckFunction textureSupport, |
| InternalFormat::SupportCheckFunction renderSupport, |
| InternalFormat::SupportCheckFunction filterSupport) |
| { |
| InternalFormat formatInfo; |
| formatInfo.internalFormat = internalFormat; |
| 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; |
| ASSERT(map->count(internalFormat) == 0); |
| (*map)[internalFormat] = 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.internalFormat = format; |
| 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; |
| } |
| |
| static InternalFormatInfoMap BuildInternalFormatInfoMap() |
| { |
| InternalFormatInfoMap map; |
| |
| // From ES 3.0.1 spec, table 3.12 |
| map.insert(InternalFormatInfoPair(GL_NONE, InternalFormat())); |
| |
| // clang-format off |
| |
| // | Internal format | R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Renderable | Filterable | |
| AddRGBAFormat(&map, GL_R8, 8, 0, 0, 0, 0, GL_RED, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, &Extensions::textureRG>, RequireESOrExt<3, &Extensions::textureRG>, AlwaysSupported); |
| AddRGBAFormat(&map, GL_R8_SNORM, 8, 0, 0, 0, 0, GL_RED, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3>, NeverSupported, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RG8, 8, 8, 0, 0, 0, GL_RG, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, &Extensions::textureRG>, RequireESOrExt<3, &Extensions::textureRG>, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RG8_SNORM, 8, 8, 0, 0, 0, GL_RG, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3>, NeverSupported, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RGB8, 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, &Extensions::rgb8rgba8>, RequireESOrExt<3, &Extensions::rgb8rgba8>, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RGB8_SNORM, 8, 8, 8, 0, 0, GL_RGB, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3>, NeverSupported, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RGB565, 5, 6, 5, 0, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_NORMALIZED, false, RequireES<2>, RequireES<2>, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RGBA4, 4, 4, 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_NORMALIZED, false, RequireES<2>, RequireES<2>, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RGB5_A1, 5, 5, 5, 1, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_NORMALIZED, false, RequireES<2>, RequireES<2>, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RGBA8, 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, &Extensions::rgb8rgba8>, RequireESOrExt<3, &Extensions::rgb8rgba8>, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RGBA8_SNORM, 8, 8, 8, 8, 0, GL_RGBA, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3>, NeverSupported, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RGB10_A2, 10, 10, 10, 2, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, RequireES<3>, RequireES<3>, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RGB10_A2UI, 10, 10, 10, 2, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_SRGB8, 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireESOrExt<3, &Extensions::sRGB>, NeverSupported, AlwaysSupported); |
| AddRGBAFormat(&map, GL_SRGB8_ALPHA8, 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireESOrExt<3, &Extensions::sRGB>, RequireESOrExt<3, &Extensions::sRGB>, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RGB9_E5, 9, 9, 9, 0, 5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, GL_FLOAT, false, RequireES<3>, NeverSupported, AlwaysSupported); |
| AddRGBAFormat(&map, GL_R8I, 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_BYTE, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_R8UI, 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_R16I, 16, 0, 0, 0, 0, GL_RED_INTEGER, GL_SHORT, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_R16UI, 16, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_R32I, 32, 0, 0, 0, 0, GL_RED_INTEGER, GL_INT, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_R32UI, 32, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_RG8I, 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_BYTE, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_RG8UI, 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_RG16I, 16, 16, 0, 0, 0, GL_RG_INTEGER, GL_SHORT, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_RG16UI, 16, 16, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_RG32I, 32, 32, 0, 0, 0, GL_RG_INTEGER, GL_INT, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_R11F_G11F_B10F, 11, 11, 10, 0, 0, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, GL_FLOAT, false, RequireES<3>, RequireExt<&Extensions::colorBufferFloat>, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RG32UI, 32, 32, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_RGB8I, 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_BYTE, GL_INT, false, RequireES<3>, NeverSupported, NeverSupported); |
| AddRGBAFormat(&map, GL_RGB8UI, 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3>, NeverSupported, NeverSupported); |
| AddRGBAFormat(&map, GL_RGB16I, 16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_SHORT, GL_INT, false, RequireES<3>, NeverSupported, NeverSupported); |
| AddRGBAFormat(&map, GL_RGB16UI, 16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3>, NeverSupported, NeverSupported); |
| AddRGBAFormat(&map, GL_RGB32I, 32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_INT, GL_INT, false, RequireES<3>, NeverSupported, NeverSupported); |
| AddRGBAFormat(&map, GL_RGB32UI, 32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3>, NeverSupported, NeverSupported); |
| AddRGBAFormat(&map, GL_RGBA8I, 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_BYTE, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_RGBA8UI, 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_RGBA16I, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_SHORT, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_RGBA16UI, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_RGBA32I, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_INT, GL_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| AddRGBAFormat(&map, GL_RGBA32UI, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3>, RequireES<3>, NeverSupported); |
| |
| AddRGBAFormat(&map, GL_BGRA8_EXT, 8, 8, 8, 8, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888>, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported); |
| AddRGBAFormat(&map, GL_BGRA4_ANGLEX, 4, 4, 4, 4, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888>, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported); |
| AddRGBAFormat(&map, GL_BGR5_A1_ANGLEX, 5, 5, 5, 1, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888>, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported); |
| |
| // Special format which is not really supported, so always false for all supports. |
| AddRGBAFormat(&map, GL_BGR565_ANGLEX, 5, 6, 5, 1, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported); |
| |
| // Floating point renderability and filtering is provided by OES_texture_float and OES_texture_half_float |
| // | Internal format | D |S | Format | Type | Comp | SRGB | Texture supported | Renderable | Filterable | |
| // | | | | | | type | | | | | |
| AddRGBAFormat(&map, GL_R16F, 16, 0, 0, 0, 0, GL_RED, GL_HALF_FLOAT, GL_FLOAT, false, HalfFloatSupportRG, HalfFloatRenderableSupportRG, RequireExt<&Extensions::textureHalfFloatLinear>); |
| AddRGBAFormat(&map, GL_RG16F, 16, 16, 0, 0, 0, GL_RG, GL_HALF_FLOAT, GL_FLOAT, false, HalfFloatSupportRG, HalfFloatRenderableSupportRG, RequireExt<&Extensions::textureHalfFloatLinear>); |
| AddRGBAFormat(&map, GL_RGB16F, 16, 16, 16, 0, 0, GL_RGB, GL_HALF_FLOAT, GL_FLOAT, false, HalfFloatSupport, HalfFloatRenderableSupport, RequireExt<&Extensions::textureHalfFloatLinear>); |
| AddRGBAFormat(&map, GL_RGBA16F, 16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT, GL_FLOAT, false, HalfFloatSupport, HalfFloatRenderableSupport, RequireExt<&Extensions::textureHalfFloatLinear>); |
| AddRGBAFormat(&map, GL_R32F, 32, 0, 0, 0, 0, GL_RED, GL_FLOAT, GL_FLOAT, false, FloatSupportRG, FloatRenderableSupportRG, RequireExt<&Extensions::textureFloatLinear> ); |
| AddRGBAFormat(&map, GL_RG32F, 32, 32, 0, 0, 0, GL_RG, GL_FLOAT, GL_FLOAT, false, FloatSupportRG, FloatRenderableSupportRG, RequireExt<&Extensions::textureFloatLinear> ); |
| AddRGBAFormat(&map, GL_RGB32F, 32, 32, 32, 0, 0, GL_RGB, GL_FLOAT, GL_FLOAT, false, FloatSupport, FloatRenderableSupport, RequireExt<&Extensions::textureFloatLinear> ); |
| AddRGBAFormat(&map, GL_RGBA32F, 32, 32, 32, 32, 0, GL_RGBA, GL_FLOAT, GL_FLOAT, false, FloatSupport, FloatRenderableSupport, RequireExt<&Extensions::textureFloatLinear> ); |
| |
| // Depth stencil formats |
| // | Internal format | D |S | X | Format | Type | Component type | Supported | Renderable | Filterable | |
| AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT16, 16, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, RequireES<2>, RequireES<2>, RequireESOrExt<3, &Extensions::depthTextures>); |
| AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT24, 24, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, RequireES<3>, RequireES<3>, RequireESOrExt<3, &Extensions::depthTextures>); |
| AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT32F, 32, 0, 0, GL_DEPTH_COMPONENT, GL_FLOAT, GL_FLOAT, RequireES<3>, RequireES<3>, RequireESOrExt<3, &Extensions::depthTextures>); |
| AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT32_OES, 32, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, RequireExtOrExt<&Extensions::depthTextures, &Extensions::depth32>, RequireExtOrExt<&Extensions::depthTextures, &Extensions::depth32>, AlwaysSupported ); |
| AddDepthStencilFormat(&map, GL_DEPTH24_STENCIL8, 24, 8, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, GL_UNSIGNED_NORMALIZED, RequireESOrExt<3, &Extensions::depthTextures>, RequireESOrExtOrExt<3, &Extensions::depthTextures, &Extensions::packedDepthStencil>, AlwaysSupported ); |
| AddDepthStencilFormat(&map, GL_DEPTH32F_STENCIL8, 32, 8, 24, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, GL_FLOAT, RequireES<3>, RequireES<3>, AlwaysSupported ); |
| // STENCIL_INDEX8 is special-cased, see around the bottom of the list. |
| |
| // Luminance alpha formats |
| // | 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, RequireExt<&Extensions::textureStorage>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_LUMINANCE8_EXT, LUMAFormat( 8, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorage>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_ALPHA32F_EXT, LUMAFormat( 0, 32, GL_ALPHA, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureFloat>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_LUMINANCE32F_EXT, LUMAFormat(32, 0, GL_LUMINANCE, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureFloat>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_ALPHA16F_EXT, LUMAFormat( 0, 16, GL_ALPHA, GL_HALF_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureHalfFloat>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_LUMINANCE16F_EXT, LUMAFormat(16, 0, GL_LUMINANCE, GL_HALF_FLOAT, GL_FLOAT, RequireExtAndExt<&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, RequireExt<&Extensions::textureStorage>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_LUMINANCE_ALPHA32F_EXT, LUMAFormat(32, 32, GL_LUMINANCE_ALPHA, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureFloat>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_LUMINANCE_ALPHA16F_EXT, LUMAFormat(16, 16, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureHalfFloat>, NeverSupported, AlwaysSupported))); |
| |
| // Unsized formats |
| // | Internal format | Format | Supported | Renderable | Filterable | |
| AddUnsizedFormat(&map, GL_ALPHA, GL_ALPHA, RequireES<2>, NeverSupported, AlwaysSupported); |
| AddUnsizedFormat(&map, GL_LUMINANCE, GL_LUMINANCE, RequireES<2>, NeverSupported, AlwaysSupported); |
| AddUnsizedFormat(&map, GL_LUMINANCE_ALPHA, GL_LUMINANCE_ALPHA, RequireES<2>, NeverSupported, AlwaysSupported); |
| AddUnsizedFormat(&map, GL_RED, GL_RED, RequireESOrExt<3, &Extensions::textureRG>, NeverSupported, AlwaysSupported); |
| AddUnsizedFormat(&map, GL_RG, GL_RG, RequireESOrExt<3, &Extensions::textureRG>, NeverSupported, AlwaysSupported); |
| AddUnsizedFormat(&map, GL_RGB, GL_RGB, RequireES<2>, RequireES<2>, AlwaysSupported); |
| AddUnsizedFormat(&map, GL_RGBA, GL_RGBA, RequireES<2>, RequireES<2>, AlwaysSupported); |
| AddUnsizedFormat(&map, GL_RED_INTEGER, GL_RED_INTEGER, RequireES<3>, NeverSupported, NeverSupported ); |
| AddUnsizedFormat(&map, GL_RG_INTEGER, GL_RG_INTEGER, RequireES<3>, NeverSupported, NeverSupported ); |
| AddUnsizedFormat(&map, GL_RGB_INTEGER, GL_RGB_INTEGER, RequireES<3>, NeverSupported, NeverSupported ); |
| AddUnsizedFormat(&map, GL_RGBA_INTEGER, GL_RGBA_INTEGER, RequireES<3>, NeverSupported, NeverSupported ); |
| AddUnsizedFormat(&map, GL_BGRA_EXT, GL_BGRA_EXT, RequireExt<&Extensions::textureFormatBGRA8888>, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported); |
| AddUnsizedFormat(&map, GL_DEPTH_COMPONENT, GL_DEPTH_COMPONENT, RequireES<2>, RequireES<2>, AlwaysSupported); |
| AddUnsizedFormat(&map, GL_DEPTH_STENCIL, GL_DEPTH_STENCIL, RequireESOrExt<3, &Extensions::packedDepthStencil>, RequireESOrExt<3, &Extensions::packedDepthStencil>, AlwaysSupported); |
| AddUnsizedFormat(&map, GL_SRGB_EXT, GL_RGB, RequireESOrExt<3, &Extensions::sRGB>, NeverSupported, AlwaysSupported); |
| AddUnsizedFormat(&map, GL_SRGB_ALPHA_EXT, GL_RGBA, RequireESOrExt<3, &Extensions::sRGB>, RequireESOrExt<3, &Extensions::sRGB>, AlwaysSupported); |
| |
| // Compressed formats, From ES 3.0.1 spec, table 3.16 |
| // | 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, RequireES<3>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SIGNED_R11_EAC, CompressedFormat(4, 4, 64, 1, GL_COMPRESSED_SIGNED_R11_EAC, GL_UNSIGNED_BYTE, false, RequireES<3>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RG11_EAC, CompressedFormat(4, 4, 128, 2, GL_COMPRESSED_RG11_EAC, GL_UNSIGNED_BYTE, false, RequireES<3>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SIGNED_RG11_EAC, CompressedFormat(4, 4, 128, 2, GL_COMPRESSED_SIGNED_RG11_EAC, GL_UNSIGNED_BYTE, false, RequireES<3>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGB8_ETC2, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_RGB8_ETC2, GL_UNSIGNED_BYTE, false, RequireES<3>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ETC2, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_SRGB8_ETC2, GL_UNSIGNED_BYTE, true, RequireES<3>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, false, RequireES<3>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, CompressedFormat(4, 4, 64, 3, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_UNSIGNED_BYTE, true, RequireES<3>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA8_ETC2_EAC, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA8_ETC2_EAC, GL_UNSIGNED_BYTE, false, RequireES<3>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, GL_UNSIGNED_BYTE, true, RequireES<3>, NeverSupported, AlwaysSupported))); |
| |
| // From GL_EXT_texture_compression_dxt1 |
| // | 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, RequireExt<&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, RequireExt<&Extensions::textureCompressionDXT1>, NeverSupported, AlwaysSupported))); |
| |
| // From GL_ANGLE_texture_compression_dxt3 |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT5>, NeverSupported, AlwaysSupported))); |
| |
| // From GL_ANGLE_texture_compression_dxt5 |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, CompressedFormat(4, 4, 128, 4, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::textureCompressionDXT5>, NeverSupported, AlwaysSupported))); |
| |
| // From GL_OES_compressed_ETC1_RGB8_texture |
| map.insert(InternalFormatInfoPair(GL_ETC1_RGB8_OES, CompressedFormat(4, 4, 64, 3, GL_ETC1_RGB8_OES, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::compressedETC1RGB8Texture>, NeverSupported, AlwaysSupported))); |
| |
| // From KHR_texture_compression_astc_hdr |
| // | Internal format | | W | H | BS |CC| Format | Type | SRGB | Supported | Renderable | Filterable | |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_4x4_KHR, CompressedFormat( 4, 4, 128, 4, GL_COMPRESSED_RGBA_ASTC_4x4_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_5x4_KHR, CompressedFormat( 5, 4, 128, 4, GL_COMPRESSED_RGBA_ASTC_5x4_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_5x5_KHR, CompressedFormat( 5, 5, 128, 4, GL_COMPRESSED_RGBA_ASTC_5x5_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_6x5_KHR, CompressedFormat( 6, 5, 128, 4, GL_COMPRESSED_RGBA_ASTC_6x5_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_6x6_KHR, CompressedFormat( 6, 6, 128, 4, GL_COMPRESSED_RGBA_ASTC_6x6_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_8x5_KHR, CompressedFormat( 8, 5, 128, 4, GL_COMPRESSED_RGBA_ASTC_8x5_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_8x6_KHR, CompressedFormat( 8, 6, 128, 4, GL_COMPRESSED_RGBA_ASTC_8x6_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_8x8_KHR, CompressedFormat( 8, 8, 128, 4, GL_COMPRESSED_RGBA_ASTC_8x8_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_10x5_KHR, CompressedFormat(10, 5, 128, 4, GL_COMPRESSED_RGBA_ASTC_10x5_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_10x6_KHR, CompressedFormat(10, 6, 128, 4, GL_COMPRESSED_RGBA_ASTC_10x6_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_10x8_KHR, CompressedFormat(10, 8, 128, 4, GL_COMPRESSED_RGBA_ASTC_10x8_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_10x10_KHR, CompressedFormat(10, 10, 128, 4, GL_COMPRESSED_RGBA_ASTC_10x10_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_12x10_KHR, CompressedFormat(12, 10, 128, 4, GL_COMPRESSED_RGBA_ASTC_12x10_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_RGBA_ASTC_12x12_KHR, CompressedFormat(12, 12, 128, 4, GL_COMPRESSED_RGBA_ASTC_12x12_KHR, GL_UNSIGNED_BYTE, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR, CompressedFormat( 4, 4, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR, CompressedFormat( 5, 4, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR, CompressedFormat( 5, 5, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR, CompressedFormat( 6, 5, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR, CompressedFormat( 6, 6, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR, CompressedFormat( 8, 5, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR, CompressedFormat( 8, 6, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR, CompressedFormat( 8, 8, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR, CompressedFormat(10, 5, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR, CompressedFormat(10, 6, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR, CompressedFormat(10, 8, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR, CompressedFormat(10, 10, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, CompressedFormat(12, 10, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| map.insert(InternalFormatInfoPair(GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR, CompressedFormat(12, 12, 128, 4, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR, GL_UNSIGNED_BYTE, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, NeverSupported, AlwaysSupported))); |
| |
| // For STENCIL_INDEX8 we chose a normalized component type for the following reasons: |
| // - Multisampled buffer are disallowed for non-normalized integer component types and we want to support it for STENCIL_INDEX8 |
| // - All other stencil formats (all depth-stencil) are either float or normalized |
| // - It affects only validation of internalformat in RenderbufferStorageMultisample. |
| // | Internal format |D |S |X | Format | Type | Component type | Supported | Renderable | Filterable | |
| AddDepthStencilFormat(&map, GL_STENCIL_INDEX8, 0, 8, 0, GL_STENCIL, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireES<2>, RequireES<2>, NeverSupported); |
| |
| // From GL_ANGLE_lossy_etc_decode |
| map.insert(InternalFormatInfoPair(GL_ETC1_RGB8_LOSSY_DECODE_ANGLE, CompressedFormat(4, 4, 64, 3, GL_ETC1_RGB8_LOSSY_DECODE_ANGLE, GL_UNSIGNED_BYTE, false, RequireExt<&Extensions::lossyETCDecode>, NeverSupported, AlwaysSupported))); |
| |
| // From GL_EXT_texture_norm16 |
| // | Internal format | R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Renderable | Filterable | |
| AddRGBAFormat(&map, GL_R16_EXT, 16, 0, 0, 0, 0, GL_RED, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, RequireExt<&Extensions::textureNorm16>, AlwaysSupported); |
| AddRGBAFormat(&map, GL_R16_SNORM_EXT, 16, 0, 0, 0, 0, GL_RED, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, NeverSupported, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RG16_EXT, 16, 16, 0, 0, 0, GL_RG, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, RequireExt<&Extensions::textureNorm16>, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RG16_SNORM_EXT, 16, 16, 0, 0, 0, GL_RG, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, NeverSupported, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RGB16_EXT, 16, 16, 16, 0, 0, GL_RGB, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, NeverSupported, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RGB16_SNORM_EXT, 16, 16, 16, 0, 0, GL_RGB, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, NeverSupported, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RGBA16_EXT, 16, 16, 16, 16, 0, GL_RGBA, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, RequireExt<&Extensions::textureNorm16>, AlwaysSupported); |
| AddRGBAFormat(&map, GL_RGBA16_SNORM_EXT, 16, 16, 16, 16, 0, GL_RGBA, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, NeverSupported, AlwaysSupported); |
| |
| // clang-format on |
| |
| return map; |
| } |
| |
| static const InternalFormatInfoMap &GetInternalFormatMap() |
| { |
| static const InternalFormatInfoMap formatMap = BuildInternalFormatInfoMap(); |
| return formatMap; |
| } |
| |
| static FormatSet BuildAllSizedInternalFormatSet() |
| { |
| FormatSet result; |
| |
| for (auto iter : GetInternalFormatMap()) |
| { |
| if (iter.second.pixelBytes > 0) |
| { |
| // TODO(jmadill): Fix this hack. |
| if (iter.first == GL_BGR565_ANGLEX) |
| continue; |
| |
| result.insert(iter.first); |
| } |
| } |
| |
| return result; |
| } |
| |
| const Type &GetTypeInfo(GLenum type) |
| { |
| switch (type) |
| { |
| case GL_UNSIGNED_BYTE: |
| case GL_BYTE: |
| { |
| static const Type info = GenTypeInfo(1, false); |
| return info; |
| } |
| case GL_UNSIGNED_SHORT: |
| case GL_SHORT: |
| case GL_HALF_FLOAT: |
| case GL_HALF_FLOAT_OES: |
| { |
| static const Type info = GenTypeInfo(2, false); |
| return info; |
| } |
| case GL_UNSIGNED_INT: |
| case GL_INT: |
| case GL_FLOAT: |
| { |
| static const Type info = GenTypeInfo(4, false); |
| return info; |
| } |
| case GL_UNSIGNED_SHORT_5_6_5: |
| case GL_UNSIGNED_SHORT_4_4_4_4: |
| case GL_UNSIGNED_SHORT_5_5_5_1: |
| case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT: |
| case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT: |
| { |
| static const Type info = GenTypeInfo(2, true); |
| return info; |
| } |
| case GL_UNSIGNED_INT_2_10_10_10_REV: |
| case GL_UNSIGNED_INT_24_8: |
| case GL_UNSIGNED_INT_10F_11F_11F_REV: |
| case GL_UNSIGNED_INT_5_9_9_9_REV: |
| { |
| ASSERT(GL_UNSIGNED_INT_24_8_OES == GL_UNSIGNED_INT_24_8); |
| static const Type info = GenTypeInfo(4, true); |
| return info; |
| } |
| case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: |
| { |
| static const Type info = GenTypeInfo(8, true); |
| return info; |
| } |
| default: |
| { |
| static const Type defaultInfo; |
| return defaultInfo; |
| } |
| } |
| } |
| |
| const InternalFormat &GetInternalFormatInfo(GLenum internalFormat) |
| { |
| const InternalFormatInfoMap &formatMap = GetInternalFormatMap(); |
| auto iter = formatMap.find(internalFormat); |
| if (iter != formatMap.end()) |
| { |
| return iter->second; |
| } |
| else |
| { |
| static const InternalFormat defaultInternalFormat; |
| UNREACHABLE(); |
| return defaultInternalFormat; |
| } |
| } |
| |
| GLuint InternalFormat::computePixelBytes(GLenum formatType) const |
| { |
| const auto &typeInfo = GetTypeInfo(formatType); |
| GLuint components = typeInfo.specialInterpretation ? 1u : componentCount; |
| return components * typeInfo.bytes; |
| } |
| |
| gl::ErrorOrResult<GLuint> InternalFormat::computeRowPitch(GLenum formatType, |
| GLsizei width, |
| GLint alignment, |
| GLint rowLength) const |
| { |
| // Compressed images do not use pack/unpack parameters. |
| if (compressed) |
| { |
| ASSERT(rowLength == 0); |
| return computeCompressedImageSize(formatType, gl::Extents(width, 1, 1)); |
| } |
| |
| CheckedNumeric<GLuint> checkedWidth(rowLength > 0 ? rowLength : width); |
| CheckedNumeric<GLuint> checkedRowBytes = checkedWidth * computePixelBytes(formatType); |
| |
| ASSERT(alignment > 0 && isPow2(alignment)); |
| CheckedNumeric<GLuint> checkedAlignment(alignment); |
| auto aligned = rx::roundUp(checkedRowBytes, checkedAlignment); |
| ANGLE_TRY_CHECKED_MATH(aligned); |
| return aligned.ValueOrDie(); |
| } |
| |
| gl::ErrorOrResult<GLuint> InternalFormat::computeDepthPitch(GLenum formatType, |
| GLsizei width, |
| GLsizei height, |
| GLint alignment, |
| GLint rowLength, |
| GLint imageHeight) const |
| { |
| GLuint rows = |
| (imageHeight > 0 ? static_cast<GLuint>(imageHeight) : static_cast<GLuint>(height)); |
| GLuint rowPitch = 0; |
| ANGLE_TRY_RESULT(computeRowPitch(formatType, width, alignment, rowLength), rowPitch); |
| |
| CheckedNumeric<GLuint> checkedRowPitch(rowPitch); |
| auto depthPitch = checkedRowPitch * rows; |
| ANGLE_TRY_CHECKED_MATH(depthPitch); |
| return depthPitch.ValueOrDie(); |
| } |
| |
| gl::ErrorOrResult<GLuint> InternalFormat::computeCompressedImageSize(GLenum formatType, |
| const gl::Extents &size) const |
| { |
| CheckedNumeric<GLuint> checkedWidth(size.width); |
| CheckedNumeric<GLuint> checkedHeight(size.height); |
| CheckedNumeric<GLuint> checkedDepth(size.depth); |
| CheckedNumeric<GLuint> checkedBlockWidth(compressedBlockWidth); |
| CheckedNumeric<GLuint> checkedBlockHeight(compressedBlockHeight); |
| |
| ASSERT(compressed); |
| auto numBlocksWide = (checkedWidth + checkedBlockWidth - 1u) / checkedBlockWidth; |
| auto numBlocksHigh = (checkedHeight + checkedBlockHeight - 1u) / checkedBlockHeight; |
| auto bytes = numBlocksWide * numBlocksHigh * pixelBytes * checkedDepth; |
| ANGLE_TRY_CHECKED_MATH(bytes); |
| return bytes.ValueOrDie(); |
| } |
| |
| gl::ErrorOrResult<GLuint> InternalFormat::computeSkipBytes(GLuint rowPitch, |
| GLuint depthPitch, |
| GLint skipImages, |
| GLint skipRows, |
| GLint skipPixels, |
| bool applySkipImages) const |
| { |
| CheckedNumeric<GLuint> checkedRowPitch(rowPitch); |
| CheckedNumeric<GLuint> checkedDepthPitch(depthPitch); |
| CheckedNumeric<GLuint> checkedSkipImages(static_cast<GLuint>(skipImages)); |
| CheckedNumeric<GLuint> checkedSkipRows(static_cast<GLuint>(skipRows)); |
| CheckedNumeric<GLuint> checkedSkipPixels(static_cast<GLuint>(skipPixels)); |
| CheckedNumeric<GLuint> checkedPixelBytes(pixelBytes); |
| auto checkedSkipImagesBytes = checkedSkipImages * checkedDepthPitch; |
| if (!applySkipImages) |
| { |
| checkedSkipImagesBytes = 0; |
| } |
| auto skipBytes = checkedSkipImagesBytes + checkedSkipRows * checkedRowPitch + |
| checkedSkipPixels * checkedPixelBytes; |
| ANGLE_TRY_CHECKED_MATH(skipBytes); |
| return skipBytes.ValueOrDie(); |
| } |
| |
| gl::ErrorOrResult<GLuint> InternalFormat::computePackSize(GLenum formatType, |
| const gl::Extents &size, |
| const gl::PixelPackState &pack) const |
| { |
| ASSERT(!compressed); |
| |
| if (size.height == 0) |
| { |
| return 0; |
| } |
| |
| CheckedNumeric<GLuint> rowPitch; |
| ANGLE_TRY_RESULT(computeRowPitch(formatType, size.width, pack.alignment, pack.rowLength), |
| rowPitch); |
| |
| CheckedNumeric<GLuint> heightMinusOne = size.height - 1; |
| CheckedNumeric<GLuint> bytes = computePixelBytes(formatType); |
| |
| CheckedNumeric<GLuint> totalSize = heightMinusOne * rowPitch; |
| totalSize += size.width * bytes; |
| |
| ANGLE_TRY_CHECKED_MATH(totalSize); |
| |
| return totalSize.ValueOrDie(); |
| } |
| |
| gl::ErrorOrResult<GLuint> InternalFormat::computeUnpackSize( |
| GLenum formatType, |
| const gl::Extents &size, |
| const gl::PixelUnpackState &unpack) const |
| { |
| // Compressed images do not use unpack parameters. |
| if (compressed) |
| { |
| return computeCompressedImageSize(formatType, size); |
| } |
| |
| if (size.height == 0 || size.depth == 0) |
| { |
| return 0; |
| } |
| |
| CheckedNumeric<GLuint> rowPitch; |
| CheckedNumeric<GLuint> depthPitch; |
| ANGLE_TRY_RESULT(computeRowPitch(formatType, size.width, unpack.alignment, unpack.rowLength), |
| rowPitch); |
| ANGLE_TRY_RESULT(computeDepthPitch(formatType, size.width, size.height, unpack.alignment, |
| unpack.rowLength, unpack.imageHeight), |
| depthPitch); |
| |
| CheckedNumeric<GLuint> depthMinusOne = size.depth - 1; |
| CheckedNumeric<GLuint> heightMinusOne = size.height - 1; |
| CheckedNumeric<GLuint> bytes = computePixelBytes(formatType); |
| |
| CheckedNumeric<GLuint> totalSize = depthMinusOne * depthPitch; |
| totalSize += heightMinusOne * rowPitch; |
| totalSize += size.width * bytes; |
| |
| ANGLE_TRY_CHECKED_MATH(totalSize); |
| |
| return totalSize.ValueOrDie(); |
| } |
| |
| gl::ErrorOrResult<GLuint> InternalFormat::computePackEndByte(GLenum formatType, |
| const gl::Extents &size, |
| const gl::PixelPackState &pack) const |
| { |
| GLuint rowPitch; |
| CheckedNumeric<GLuint> checkedSkipBytes; |
| CheckedNumeric<GLuint> checkedCopyBytes; |
| |
| ANGLE_TRY_RESULT(computeRowPitch(formatType, size.width, pack.alignment, pack.rowLength), |
| rowPitch); |
| ANGLE_TRY_RESULT(computeSkipBytes(rowPitch, 0, 0, pack.skipRows, pack.skipPixels, false), |
| checkedSkipBytes); |
| ANGLE_TRY_RESULT(computePackSize(formatType, size, pack), checkedCopyBytes); |
| |
| CheckedNumeric<GLuint> endByte = checkedCopyBytes + checkedSkipBytes; |
| |
| ANGLE_TRY_CHECKED_MATH(endByte); |
| return endByte.ValueOrDie(); |
| } |
| |
| gl::ErrorOrResult<GLuint> InternalFormat::computeUnpackEndByte(GLenum formatType, |
| const gl::Extents &size, |
| const gl::PixelUnpackState &unpack, |
| bool applySkipImages) const |
| { |
| GLuint rowPitch; |
| GLuint depthPitch; |
| CheckedNumeric<GLuint> checkedSkipBytes; |
| CheckedNumeric<GLuint> checkedCopyBytes; |
| |
| ANGLE_TRY_RESULT(computeRowPitch(formatType, size.width, unpack.alignment, unpack.rowLength), |
| rowPitch); |
| ANGLE_TRY_RESULT(computeDepthPitch(formatType, size.width, size.height, unpack.alignment, |
| unpack.rowLength, unpack.imageHeight), |
| depthPitch); |
| ANGLE_TRY_RESULT(computeSkipBytes(rowPitch, depthPitch, unpack.skipImages, unpack.skipRows, |
| unpack.skipPixels, applySkipImages), |
| checkedSkipBytes); |
| ANGLE_TRY_RESULT(computeUnpackSize(formatType, size, unpack), checkedCopyBytes); |
| |
| CheckedNumeric<GLuint> endByte = checkedCopyBytes + checkedSkipBytes; |
| |
| ANGLE_TRY_CHECKED_MATH(endByte); |
| return endByte.ValueOrDie(); |
| } |
| |
| GLenum GetSizedInternalFormat(GLenum internalFormat, GLenum type) |
| { |
| const InternalFormat &formatInfo = GetInternalFormatInfo(internalFormat); |
| if (formatInfo.pixelBytes > 0) |
| { |
| return internalFormat; |
| } |
| return GetSizedFormatInternal(internalFormat, type); |
| } |
| |
| const FormatSet &GetAllSizedInternalFormats() |
| { |
| static FormatSet formatSet = BuildAllSizedInternalFormatSet(); |
| return formatSet; |
| } |
| |
| AttributeType GetAttributeType(GLenum enumValue) |
| { |
| switch (enumValue) |
| { |
| case GL_FLOAT: |
| return ATTRIBUTE_FLOAT; |
| case GL_FLOAT_VEC2: |
| return ATTRIBUTE_VEC2; |
| case GL_FLOAT_VEC3: |
| return ATTRIBUTE_VEC3; |
| case GL_FLOAT_VEC4: |
| return ATTRIBUTE_VEC4; |
| case GL_INT: |
| return ATTRIBUTE_INT; |
| case GL_INT_VEC2: |
| return ATTRIBUTE_IVEC2; |
| case GL_INT_VEC3: |
| return ATTRIBUTE_IVEC3; |
| case GL_INT_VEC4: |
| return ATTRIBUTE_IVEC4; |
| case GL_UNSIGNED_INT: |
| return ATTRIBUTE_UINT; |
| case GL_UNSIGNED_INT_VEC2: |
| return ATTRIBUTE_UVEC2; |
| case GL_UNSIGNED_INT_VEC3: |
| return ATTRIBUTE_UVEC3; |
| case GL_UNSIGNED_INT_VEC4: |
| return ATTRIBUTE_UVEC4; |
| case GL_FLOAT_MAT2: |
| return ATTRIBUTE_MAT2; |
| case GL_FLOAT_MAT3: |
| return ATTRIBUTE_MAT3; |
| case GL_FLOAT_MAT4: |
| return ATTRIBUTE_MAT4; |
| case GL_FLOAT_MAT2x3: |
| return ATTRIBUTE_MAT2x3; |
| case GL_FLOAT_MAT2x4: |
| return ATTRIBUTE_MAT2x4; |
| case GL_FLOAT_MAT3x2: |
| return ATTRIBUTE_MAT3x2; |
| case GL_FLOAT_MAT3x4: |
| return ATTRIBUTE_MAT3x4; |
| case GL_FLOAT_MAT4x2: |
| return ATTRIBUTE_MAT4x2; |
| case GL_FLOAT_MAT4x3: |
| return ATTRIBUTE_MAT4x3; |
| default: |
| UNREACHABLE(); |
| return ATTRIBUTE_FLOAT; |
| } |
| } |
| |
| VertexFormatType GetVertexFormatType(GLenum type, GLboolean normalized, GLuint components, bool pureInteger) |
| { |
| switch (type) |
| { |
| case GL_BYTE: |
| switch (components) |
| { |
| case 1: |
| if (pureInteger) |
| return VERTEX_FORMAT_SBYTE1_INT; |
| if (normalized) |
| return VERTEX_FORMAT_SBYTE1_NORM; |
| return VERTEX_FORMAT_SBYTE1; |
| case 2: |
| if (pureInteger) |
| return VERTEX_FORMAT_SBYTE2_INT; |
| if (normalized) |
| return VERTEX_FORMAT_SBYTE2_NORM; |
| return VERTEX_FORMAT_SBYTE2; |
| case 3: |
| if (pureInteger) |
| return VERTEX_FORMAT_SBYTE3_INT; |
| if (normalized) |
| return VERTEX_FORMAT_SBYTE3_NORM; |
| return VERTEX_FORMAT_SBYTE3; |
| case 4: |
| if (pureInteger) |
| return VERTEX_FORMAT_SBYTE4_INT; |
| if (normalized) |
| return VERTEX_FORMAT_SBYTE4_NORM; |
| return VERTEX_FORMAT_SBYTE4; |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| case GL_UNSIGNED_BYTE: |
| switch (components) |
| { |
| case 1: |
| if (pureInteger) |
| return VERTEX_FORMAT_UBYTE1_INT; |
| if (normalized) |
| return VERTEX_FORMAT_UBYTE1_NORM; |
| return VERTEX_FORMAT_UBYTE1; |
| case 2: |
| if (pureInteger) |
| return VERTEX_FORMAT_UBYTE2_INT; |
| if (normalized) |
| return VERTEX_FORMAT_UBYTE2_NORM; |
| return VERTEX_FORMAT_UBYTE2; |
| case 3: |
| if (pureInteger) |
| return VERTEX_FORMAT_UBYTE3_INT; |
| if (normalized) |
| return VERTEX_FORMAT_UBYTE3_NORM; |
| return VERTEX_FORMAT_UBYTE3; |
| case 4: |
| if (pureInteger) |
| return VERTEX_FORMAT_UBYTE4_INT; |
| if (normalized) |
| return VERTEX_FORMAT_UBYTE4_NORM; |
| return VERTEX_FORMAT_UBYTE4; |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| case GL_SHORT: |
| switch (components) |
| { |
| case 1: |
| if (pureInteger) |
| return VERTEX_FORMAT_SSHORT1_INT; |
| if (normalized) |
| return VERTEX_FORMAT_SSHORT1_NORM; |
| return VERTEX_FORMAT_SSHORT1; |
| case 2: |
| if (pureInteger) |
| return VERTEX_FORMAT_SSHORT2_INT; |
| if (normalized) |
| return VERTEX_FORMAT_SSHORT2_NORM; |
| return VERTEX_FORMAT_SSHORT2; |
| case 3: |
| if (pureInteger) |
| return VERTEX_FORMAT_SSHORT3_INT; |
| if (normalized) |
| return VERTEX_FORMAT_SSHORT3_NORM; |
| return VERTEX_FORMAT_SSHORT3; |
| case 4: |
| if (pureInteger) |
| return VERTEX_FORMAT_SSHORT4_INT; |
| if (normalized) |
| return VERTEX_FORMAT_SSHORT4_NORM; |
| return VERTEX_FORMAT_SSHORT4; |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| case GL_UNSIGNED_SHORT: |
| switch (components) |
| { |
| case 1: |
| if (pureInteger) |
| return VERTEX_FORMAT_USHORT1_INT; |
| if (normalized) |
| return VERTEX_FORMAT_USHORT1_NORM; |
| return VERTEX_FORMAT_USHORT1; |
| case 2: |
| if (pureInteger) |
| return VERTEX_FORMAT_USHORT2_INT; |
| if (normalized) |
| return VERTEX_FORMAT_USHORT2_NORM; |
| return VERTEX_FORMAT_USHORT2; |
| case 3: |
| if (pureInteger) |
| return VERTEX_FORMAT_USHORT3_INT; |
| if (normalized) |
| return VERTEX_FORMAT_USHORT3_NORM; |
| return VERTEX_FORMAT_USHORT3; |
| case 4: |
| if (pureInteger) |
| return VERTEX_FORMAT_USHORT4_INT; |
| if (normalized) |
| return VERTEX_FORMAT_USHORT4_NORM; |
| return VERTEX_FORMAT_USHORT4; |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| case GL_INT: |
| switch (components) |
| { |
| case 1: |
| if (pureInteger) |
| return VERTEX_FORMAT_SINT1_INT; |
| if (normalized) |
| return VERTEX_FORMAT_SINT1_NORM; |
| return VERTEX_FORMAT_SINT1; |
| case 2: |
| if (pureInteger) |
| return VERTEX_FORMAT_SINT2_INT; |
| if (normalized) |
| return VERTEX_FORMAT_SINT2_NORM; |
| return VERTEX_FORMAT_SINT2; |
| case 3: |
| if (pureInteger) |
| return VERTEX_FORMAT_SINT3_INT; |
| if (normalized) |
| return VERTEX_FORMAT_SINT3_NORM; |
| return VERTEX_FORMAT_SINT3; |
| case 4: |
| if (pureInteger) |
| return VERTEX_FORMAT_SINT4_INT; |
| if (normalized) |
| return VERTEX_FORMAT_SINT4_NORM; |
| return VERTEX_FORMAT_SINT4; |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| case GL_UNSIGNED_INT: |
| switch (components) |
| { |
| case 1: |
| if (pureInteger) |
| return VERTEX_FORMAT_UINT1_INT; |
| if (normalized) |
| return VERTEX_FORMAT_UINT1_NORM; |
| return VERTEX_FORMAT_UINT1; |
| case 2: |
| if (pureInteger) |
| return VERTEX_FORMAT_UINT2_INT; |
| if (normalized) |
| return VERTEX_FORMAT_UINT2_NORM; |
| return VERTEX_FORMAT_UINT2; |
| case 3: |
| if (pureInteger) |
| return VERTEX_FORMAT_UINT3_INT; |
| if (normalized) |
| return VERTEX_FORMAT_UINT3_NORM; |
| return VERTEX_FORMAT_UINT3; |
| case 4: |
| if (pureInteger) |
| return VERTEX_FORMAT_UINT4_INT; |
| if (normalized) |
| return VERTEX_FORMAT_UINT4_NORM; |
| return VERTEX_FORMAT_UINT4; |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| case GL_FLOAT: |
| switch (components) |
| { |
| case 1: |
| return VERTEX_FORMAT_FLOAT1; |
| case 2: |
| return VERTEX_FORMAT_FLOAT2; |
| case 3: |
| return VERTEX_FORMAT_FLOAT3; |
| case 4: |
| return VERTEX_FORMAT_FLOAT4; |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| case GL_HALF_FLOAT: |
| switch (components) |
| { |
| case 1: |
| return VERTEX_FORMAT_HALF1; |
| case 2: |
| return VERTEX_FORMAT_HALF2; |
| case 3: |
| return VERTEX_FORMAT_HALF3; |
| case 4: |
| return VERTEX_FORMAT_HALF4; |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| case GL_FIXED: |
| switch (components) |
| { |
| case 1: |
| return VERTEX_FORMAT_FIXED1; |
| case 2: |
| return VERTEX_FORMAT_FIXED2; |
| case 3: |
| return VERTEX_FORMAT_FIXED3; |
| case 4: |
| return VERTEX_FORMAT_FIXED4; |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| case GL_INT_2_10_10_10_REV: |
| if (pureInteger) |
| return VERTEX_FORMAT_SINT210_INT; |
| if (normalized) |
| return VERTEX_FORMAT_SINT210_NORM; |
| return VERTEX_FORMAT_SINT210; |
| case GL_UNSIGNED_INT_2_10_10_10_REV: |
| if (pureInteger) |
| return VERTEX_FORMAT_UINT210_INT; |
| if (normalized) |
| return VERTEX_FORMAT_UINT210_NORM; |
| return VERTEX_FORMAT_UINT210; |
| default: |
| UNREACHABLE(); |
| break; |
| } |
| return VERTEX_FORMAT_UBYTE1; |
| } |
| |
| VertexFormatType GetVertexFormatType(const VertexAttribute &attrib) |
| { |
| return GetVertexFormatType(attrib.type, attrib.normalized, attrib.size, attrib.pureInteger); |
| } |
| |
| VertexFormatType GetVertexFormatType(const VertexAttribute &attrib, GLenum currentValueType) |
| { |
| if (!attrib.enabled) |
| { |
| return GetVertexFormatType(currentValueType, GL_FALSE, 4, (currentValueType != GL_FLOAT)); |
| } |
| return GetVertexFormatType(attrib); |
| } |
| |
| const VertexFormat &GetVertexFormatFromType(VertexFormatType vertexFormatType) |
| { |
| switch (vertexFormatType) |
| { |
| case VERTEX_FORMAT_SBYTE1: |
| { |
| static const VertexFormat format(GL_BYTE, GL_FALSE, 1, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SBYTE1_NORM: |
| { |
| static const VertexFormat format(GL_BYTE, GL_TRUE, 1, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SBYTE2: |
| { |
| static const VertexFormat format(GL_BYTE, GL_FALSE, 2, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SBYTE2_NORM: |
| { |
| static const VertexFormat format(GL_BYTE, GL_TRUE, 2, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SBYTE3: |
| { |
| static const VertexFormat format(GL_BYTE, GL_FALSE, 3, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SBYTE3_NORM: |
| { |
| static const VertexFormat format(GL_BYTE, GL_TRUE, 3, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SBYTE4: |
| { |
| static const VertexFormat format(GL_BYTE, GL_FALSE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SBYTE4_NORM: |
| { |
| static const VertexFormat format(GL_BYTE, GL_TRUE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UBYTE1: |
| { |
| static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 1, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UBYTE1_NORM: |
| { |
| static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 1, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UBYTE2: |
| { |
| static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 2, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UBYTE2_NORM: |
| { |
| static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 2, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UBYTE3: |
| { |
| static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 3, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UBYTE3_NORM: |
| { |
| static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 3, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UBYTE4: |
| { |
| static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UBYTE4_NORM: |
| { |
| static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SSHORT1: |
| { |
| static const VertexFormat format(GL_SHORT, GL_FALSE, 1, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SSHORT1_NORM: |
| { |
| static const VertexFormat format(GL_SHORT, GL_TRUE, 1, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SSHORT2: |
| { |
| static const VertexFormat format(GL_SHORT, GL_FALSE, 2, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SSHORT2_NORM: |
| { |
| static const VertexFormat format(GL_SHORT, GL_TRUE, 2, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SSHORT3: |
| { |
| static const VertexFormat format(GL_SHORT, GL_FALSE, 3, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SSHORT3_NORM: |
| { |
| static const VertexFormat format(GL_SHORT, GL_TRUE, 3, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SSHORT4: |
| { |
| static const VertexFormat format(GL_SHORT, GL_FALSE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SSHORT4_NORM: |
| { |
| static const VertexFormat format(GL_SHORT, GL_TRUE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_USHORT1: |
| { |
| static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 1, false); |
| return format; |
| } |
| case VERTEX_FORMAT_USHORT1_NORM: |
| { |
| static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 1, false); |
| return format; |
| } |
| case VERTEX_FORMAT_USHORT2: |
| { |
| static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 2, false); |
| return format; |
| } |
| case VERTEX_FORMAT_USHORT2_NORM: |
| { |
| static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 2, false); |
| return format; |
| } |
| case VERTEX_FORMAT_USHORT3: |
| { |
| static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 3, false); |
| return format; |
| } |
| case VERTEX_FORMAT_USHORT3_NORM: |
| { |
| static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 3, false); |
| return format; |
| } |
| case VERTEX_FORMAT_USHORT4: |
| { |
| static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_USHORT4_NORM: |
| { |
| static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SINT1: |
| { |
| static const VertexFormat format(GL_INT, GL_FALSE, 1, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SINT1_NORM: |
| { |
| static const VertexFormat format(GL_INT, GL_TRUE, 1, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SINT2: |
| { |
| static const VertexFormat format(GL_INT, GL_FALSE, 2, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SINT2_NORM: |
| { |
| static const VertexFormat format(GL_INT, GL_TRUE, 2, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SINT3: |
| { |
| static const VertexFormat format(GL_INT, GL_FALSE, 3, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SINT3_NORM: |
| { |
| static const VertexFormat format(GL_INT, GL_TRUE, 3, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SINT4: |
| { |
| static const VertexFormat format(GL_INT, GL_FALSE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SINT4_NORM: |
| { |
| static const VertexFormat format(GL_INT, GL_TRUE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UINT1: |
| { |
| static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 1, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UINT1_NORM: |
| { |
| static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 1, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UINT2: |
| { |
| static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 2, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UINT2_NORM: |
| { |
| static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 2, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UINT3: |
| { |
| static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 3, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UINT3_NORM: |
| { |
| static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 3, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UINT4: |
| { |
| static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UINT4_NORM: |
| { |
| static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SBYTE1_INT: |
| { |
| static const VertexFormat format(GL_BYTE, GL_FALSE, 1, true); |
| return format; |
| } |
| case VERTEX_FORMAT_SBYTE2_INT: |
| { |
| static const VertexFormat format(GL_BYTE, GL_FALSE, 2, true); |
| return format; |
| } |
| case VERTEX_FORMAT_SBYTE3_INT: |
| { |
| static const VertexFormat format(GL_BYTE, GL_FALSE, 3, true); |
| return format; |
| } |
| case VERTEX_FORMAT_SBYTE4_INT: |
| { |
| static const VertexFormat format(GL_BYTE, GL_FALSE, 4, true); |
| return format; |
| } |
| case VERTEX_FORMAT_UBYTE1_INT: |
| { |
| static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 1, true); |
| return format; |
| } |
| case VERTEX_FORMAT_UBYTE2_INT: |
| { |
| static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 2, true); |
| return format; |
| } |
| case VERTEX_FORMAT_UBYTE3_INT: |
| { |
| static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 3, true); |
| return format; |
| } |
| case VERTEX_FORMAT_UBYTE4_INT: |
| { |
| static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 4, true); |
| return format; |
| } |
| case VERTEX_FORMAT_SSHORT1_INT: |
| { |
| static const VertexFormat format(GL_SHORT, GL_FALSE, 1, true); |
| return format; |
| } |
| case VERTEX_FORMAT_SSHORT2_INT: |
| { |
| static const VertexFormat format(GL_SHORT, GL_FALSE, 2, true); |
| return format; |
| } |
| case VERTEX_FORMAT_SSHORT3_INT: |
| { |
| static const VertexFormat format(GL_SHORT, GL_FALSE, 3, true); |
| return format; |
| } |
| case VERTEX_FORMAT_SSHORT4_INT: |
| { |
| static const VertexFormat format(GL_SHORT, GL_FALSE, 4, true); |
| return format; |
| } |
| case VERTEX_FORMAT_USHORT1_INT: |
| { |
| static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 1, true); |
| return format; |
| } |
| case VERTEX_FORMAT_USHORT2_INT: |
| { |
| static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 2, true); |
| return format; |
| } |
| case VERTEX_FORMAT_USHORT3_INT: |
| { |
| static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 3, true); |
| return format; |
| } |
| case VERTEX_FORMAT_USHORT4_INT: |
| { |
| static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 4, true); |
| return format; |
| } |
| case VERTEX_FORMAT_SINT1_INT: |
| { |
| static const VertexFormat format(GL_INT, GL_FALSE, 1, true); |
| return format; |
| } |
| case VERTEX_FORMAT_SINT2_INT: |
| { |
| static const VertexFormat format(GL_INT, GL_FALSE, 2, true); |
| return format; |
| } |
| case VERTEX_FORMAT_SINT3_INT: |
| { |
| static const VertexFormat format(GL_INT, GL_FALSE, 3, true); |
| return format; |
| } |
| case VERTEX_FORMAT_SINT4_INT: |
| { |
| static const VertexFormat format(GL_INT, GL_FALSE, 4, true); |
| return format; |
| } |
| case VERTEX_FORMAT_UINT1_INT: |
| { |
| static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 1, true); |
| return format; |
| } |
| case VERTEX_FORMAT_UINT2_INT: |
| { |
| static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 2, true); |
| return format; |
| } |
| case VERTEX_FORMAT_UINT3_INT: |
| { |
| static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 3, true); |
| return format; |
| } |
| case VERTEX_FORMAT_UINT4_INT: |
| { |
| static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 4, true); |
| return format; |
| } |
| case VERTEX_FORMAT_FIXED1: |
| { |
| static const VertexFormat format(GL_FIXED, GL_FALSE, 1, false); |
| return format; |
| } |
| case VERTEX_FORMAT_FIXED2: |
| { |
| static const VertexFormat format(GL_FIXED, GL_FALSE, 2, false); |
| return format; |
| } |
| case VERTEX_FORMAT_FIXED3: |
| { |
| static const VertexFormat format(GL_FIXED, GL_FALSE, 3, false); |
| return format; |
| } |
| case VERTEX_FORMAT_FIXED4: |
| { |
| static const VertexFormat format(GL_FIXED, GL_FALSE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_HALF1: |
| { |
| static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 1, false); |
| return format; |
| } |
| case VERTEX_FORMAT_HALF2: |
| { |
| static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 2, false); |
| return format; |
| } |
| case VERTEX_FORMAT_HALF3: |
| { |
| static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 3, false); |
| return format; |
| } |
| case VERTEX_FORMAT_HALF4: |
| { |
| static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_FLOAT1: |
| { |
| static const VertexFormat format(GL_FLOAT, GL_FALSE, 1, false); |
| return format; |
| } |
| case VERTEX_FORMAT_FLOAT2: |
| { |
| static const VertexFormat format(GL_FLOAT, GL_FALSE, 2, false); |
| return format; |
| } |
| case VERTEX_FORMAT_FLOAT3: |
| { |
| static const VertexFormat format(GL_FLOAT, GL_FALSE, 3, false); |
| return format; |
| } |
| case VERTEX_FORMAT_FLOAT4: |
| { |
| static const VertexFormat format(GL_FLOAT, GL_FALSE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SINT210: |
| { |
| static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_FALSE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UINT210: |
| { |
| static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_FALSE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SINT210_NORM: |
| { |
| static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_TRUE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_UINT210_NORM: |
| { |
| static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_TRUE, 4, false); |
| return format; |
| } |
| case VERTEX_FORMAT_SINT210_INT: |
| { |
| static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_FALSE, 4, true); |
| return format; |
| } |
| case VERTEX_FORMAT_UINT210_INT: |
| { |
| static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_FALSE, 4, true); |
| return format; |
| } |
| default: |
| { |
| static const VertexFormat format(GL_NONE, GL_FALSE, 0, false); |
| return format; |
| } |
| } |
| } |
| |
| VertexFormat::VertexFormat(GLenum typeIn, GLboolean normalizedIn, GLuint componentsIn, bool pureIntegerIn) |
| : type(typeIn), |
| normalized(normalizedIn), |
| components(componentsIn), |
| pureInteger(pureIntegerIn) |
| { |
| // float -> !normalized |
| ASSERT(!(type == GL_FLOAT || type == GL_HALF_FLOAT || type == GL_FIXED) || normalized == GL_FALSE); |
| } |
| |
| } |