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kc3-lang/angle/src/libANGLE/formatutils.cpp
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Author :
Courtney Goeltzenleuchter
Date : 2019-04-18 16:31:25
Hash : eaf2d928
Message : Add support for OES_depth_texture Note: Includes workaround for http://anglebug.com/3452 - some Android devices do not indicate filtering support on VK_FORMAT_D16_UNORM. Bug: angleproject:3103 Test: angle_end2end_tests --gtest_filter=DepthStencilFormatsTest.DepthTexture/* angle_end2end_tests --gtest_filter=DepthStencilFormatsTest.PackedDepthStencil/* angle_end2end_tests --gtest_filter=DepthStencilFormatsTest.DepthTextureRender/ES2_VULKAN Change-Id: Ic325fb94ab0e619a17c2e149e0e0865fa4142f3a Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1575426 Commit-Queue: Courtney Goeltzenleuchter <courtneygo@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org>
- src/libANGLE/formatutils.cpp
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// // 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 "libANGLE/formatutils.h" #include "common/mathutil.h" #include "libANGLE/Context.h" #include "libANGLE/Framebuffer.h" using namespace angle; namespace gl { // 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. GLenum GetSizedFormatInternal(GLenum format, GLenum type); namespace { using InternalFormatInfoMap = std::unordered_map<GLenum, std::unordered_map<GLenum, InternalFormat>>; bool CheckedMathResult(const CheckedNumeric<GLuint> &value, GLuint *resultOut) { if (!value.IsValid()) { return false; } else { *resultOut = value.ValueOrDie(); return true; } } constexpr uint32_t PackTypeInfo(GLuint bytes, bool specialized) { // static_assert within constexpr requires c++17 // static_assert(isPow2(bytes)); return bytes | (rx::Log2(bytes) << 8) | (specialized << 16); } } // 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; } bool operator<(const Type &a, const Type &b) { return memcmp(&a, &b, sizeof(Type)) < 0; } // Information about internal formats static bool AlwaysSupported(const Version &, const Extensions &) { return true; } static bool NeverSupported(const Version &, const Extensions &) { return false; } template <GLuint minCoreGLMajorVersion, GLuint minCoreGLMinorVersion> static bool RequireES(const Version &clientVersion, const Extensions &) { return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion); } // 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(const Version &, const Extensions &extensions) { return extensions.*bool1; } // Check for a minimum client version or a single extension template <GLuint minCoreGLMajorVersion, GLuint minCoreGLMinorVersion, ExtensionBool bool1> static bool RequireESOrExt(const Version &clientVersion, const Extensions &extensions) { return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion) || extensions.*bool1; } // Check for a minimum client version or two extensions template <GLuint minCoreGLMajorVersion, GLuint minCoreGLMinorVersion, ExtensionBool bool1, ExtensionBool bool2> static bool RequireESOrExtAndExt(const Version &clientVersion, const Extensions &extensions) { return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion) || (extensions.*bool1 && extensions.*bool2); } // Check for a minimum client version or at least one of two extensions template <GLuint minCoreGLMajorVersion, GLuint minCoreGLMinorVersion, ExtensionBool bool1, ExtensionBool bool2> static bool RequireESOrExtOrExt(const Version &clientVersion, const Extensions &extensions) { return clientVersion >= Version(minCoreGLMajorVersion, minCoreGLMinorVersion) || extensions.*bool1 || extensions.*bool2; } // Check support for two extensions template <ExtensionBool bool1, ExtensionBool bool2> static bool RequireExtAndExt(const Version &, const Extensions &extensions) { return extensions.*bool1 && extensions.*bool2; } // Check support for either of two extensions template <ExtensionBool bool1, ExtensionBool bool2> static bool RequireExtOrExt(const Version &, const Extensions &extensions) { return extensions.*bool1 || extensions.*bool2; } // Check support for any of three extensions template <ExtensionBool bool1, ExtensionBool bool2, ExtensionBool bool3> static bool RequireExtOrExtOrExt(const Version &, const Extensions &extensions) { return extensions.*bool1 || extensions.*bool2 || extensions.*bool3; } // R8, RG8 static bool SizedRGSupport(const Version &clientVersion, const Extensions &extensions) { return clientVersion >= Version(3, 0) || (extensions.textureStorage && extensions.textureRG); } // R16F, RG16F with HALF_FLOAT_OES type static bool SizedHalfFloatOESRGSupport(const Version &clientVersion, const Extensions &extensions) { return extensions.textureStorage && extensions.textureHalfFloat && extensions.textureRG; } static bool SizedHalfFloatOESRGTextureAttachmentSupport(const Version &clientVersion, const Extensions &extensions) { return SizedHalfFloatOESRGSupport(clientVersion, extensions) && extensions.colorBufferHalfFloat; } // R16F, RG16F with either HALF_FLOAT_OES or HALF_FLOAT types static bool SizedHalfFloatRGSupport(const Version &clientVersion, const Extensions &extensions) { // HALF_FLOAT if (clientVersion >= Version(3, 0)) { return true; } // HALF_FLOAT_OES else { return SizedHalfFloatOESRGSupport(clientVersion, extensions); } } static bool SizedHalfFloatRGTextureAttachmentSupport(const Version &clientVersion, const Extensions &extensions) { // HALF_FLOAT if (clientVersion >= Version(3, 0)) { return extensions.colorBufferFloat; } // HALF_FLOAT_OES else { return SizedHalfFloatOESRGTextureAttachmentSupport(clientVersion, extensions); } } static bool SizedHalfFloatRGRenderbufferSupport(const Version &clientVersion, const Extensions &extensions) { return (clientVersion >= Version(3, 0) || (extensions.textureHalfFloat && extensions.textureRG)) && (extensions.colorBufferFloat || extensions.colorBufferHalfFloat); } // RGB16F, RGBA16F with HALF_FLOAT_OES type static bool SizedHalfFloatOESSupport(const Version &clientVersion, const Extensions &extensions) { return extensions.textureStorage && extensions.textureHalfFloat; } static bool SizedHalfFloatOESTextureAttachmentSupport(const Version &clientVersion, const Extensions &extensions) { return SizedHalfFloatOESSupport(clientVersion, extensions) && extensions.colorBufferHalfFloat; } // RGB16F, RGBA16F with either HALF_FLOAT_OES or HALF_FLOAT types static bool SizedHalfFloatSupport(const Version &clientVersion, const Extensions &extensions) { // HALF_FLOAT if (clientVersion >= Version(3, 0)) { return true; } // HALF_FLOAT_OES else { return SizedHalfFloatOESSupport(clientVersion, extensions); } } static bool SizedHalfFloatFilterSupport(const Version &clientVersion, const Extensions &extensions) { // HALF_FLOAT if (clientVersion >= Version(3, 0)) { return true; } // HALF_FLOAT_OES else { return extensions.textureHalfFloatLinear; } } static bool SizedHalfFloatRGBTextureAttachmentSupport(const Version &clientVersion, const Extensions &extensions) { // HALF_FLOAT if (clientVersion >= Version(3, 0)) { // It is unclear how EXT_color_buffer_half_float applies to ES3.0 and above, however, // dEQP GLES3 es3fFboColorbufferTests.cpp verifies that texture attachment of GL_RGB16F // is possible, so assume that all GLES implementations support it. return extensions.colorBufferHalfFloat; } // HALF_FLOAT_OES else { return SizedHalfFloatOESTextureAttachmentSupport(clientVersion, extensions); } } static bool SizedHalfFloatRGBRenderbufferSupport(const Version &clientVersion, const Extensions &extensions) { return (clientVersion >= Version(3, 0) || extensions.textureHalfFloat) && extensions.colorBufferHalfFloat; } static bool SizedHalfFloatRGBATextureAttachmentSupport(const Version &clientVersion, const Extensions &extensions) { // HALF_FLOAT if (clientVersion >= Version(3, 0)) { return extensions.colorBufferFloat; } // HALF_FLOAT_OES else { return SizedHalfFloatOESTextureAttachmentSupport(clientVersion, extensions); } } static bool SizedHalfFloatRGBARenderbufferSupport(const Version &clientVersion, const Extensions &extensions) { return (clientVersion >= Version(3, 0) || extensions.textureHalfFloat) && (extensions.colorBufferFloat || extensions.colorBufferHalfFloat); } // R32F, RG32F static bool SizedFloatRGSupport(const Version &clientVersion, const Extensions &extensions) { return clientVersion >= Version(3, 0) || (extensions.textureStorage && extensions.textureFloat && extensions.textureRG); } // RGB32F static bool SizedFloatRGBSupport(const Version &clientVersion, const Extensions &extensions) { return clientVersion >= Version(3, 0) || (extensions.textureStorage && extensions.textureFloat) || extensions.colorBufferFloatRGB; } // RGBA32F static bool SizedFloatRGBASupport(const Version &clientVersion, const Extensions &extensions) { return clientVersion >= Version(3, 0) || (extensions.textureStorage && extensions.textureFloat) || extensions.colorBufferFloatRGBA; } static bool SizedFloatRGBARenderableSupport(const Version &clientVersion, const Extensions &extensions) { // This logic is the same for both Renderbuffers and TextureAttachment. return extensions.colorBufferFloatRGBA || // ES2 extensions.colorBufferFloat; // ES3 } InternalFormat::InternalFormat() : internalFormat(GL_NONE), sized(false), sizedInternalFormat(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), filterSupport(NeverSupported), textureAttachmentSupport(NeverSupported), renderbufferSupport(NeverSupported) {} InternalFormat::InternalFormat(const InternalFormat &other) = default; bool InternalFormat::isLUMA() const { return ((redBits + greenBits + blueBits + depthBits + stencilBits) == 0 && (luminanceBits + alphaBits) > 0); } GLenum InternalFormat::getReadPixelsFormat() const { return format; } GLenum InternalFormat::getReadPixelsType(const Version &version) const { switch (type) { case GL_HALF_FLOAT: case GL_HALF_FLOAT_OES: if (version < Version(3, 0)) { // 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. HALF_FLOAT becomes core in ES3 and is acceptable to use // as an IMPLEMENTATION_READ_TYPE. return GL_HALF_FLOAT_OES; } else { return GL_HALF_FLOAT; } default: return type; } } bool InternalFormat::isRequiredRenderbufferFormat(const Version &version) const { // GLES 3.0.5 section 4.4.2.2: // "Implementations are required to support the same internal formats for renderbuffers as the // required formats for textures enumerated in section 3.8.3.1, with the exception of the color // formats labelled "texture-only"." if (!sized || compressed) { return false; } // Luma formats. if (isLUMA()) { return false; } // Depth/stencil formats. if (depthBits > 0 || stencilBits > 0) { // GLES 2.0.25 table 4.5. // GLES 3.0.5 section 3.8.3.1. // GLES 3.1 table 8.14. // Required formats in all versions. switch (internalFormat) { case GL_DEPTH_COMPONENT16: case GL_STENCIL_INDEX8: // Note that STENCIL_INDEX8 is not mentioned in GLES 3.0.5 section 3.8.3.1, but it // is in section 4.4.2.2. return true; default: break; } if (version.major < 3) { return false; } // Required formats in GLES 3.0 and up. switch (internalFormat) { case GL_DEPTH_COMPONENT32F: case GL_DEPTH_COMPONENT24: case GL_DEPTH32F_STENCIL8: case GL_DEPTH24_STENCIL8: return true; default: return false; } } // RGBA formats. // GLES 2.0.25 table 4.5. // GLES 3.0.5 section 3.8.3.1. // GLES 3.1 table 8.13. // Required formats in all versions. switch (internalFormat) { case GL_RGBA4: case GL_RGB5_A1: case GL_RGB565: return true; default: break; } if (version.major < 3) { return false; } if (format == GL_BGRA_EXT) { return false; } switch (componentType) { case GL_SIGNED_NORMALIZED: case GL_FLOAT: return false; case GL_UNSIGNED_INT: case GL_INT: // Integer RGB formats are not required renderbuffer formats. if (alphaBits == 0 && blueBits != 0) { return false; } // All integer R and RG formats are required. // Integer RGBA formats including RGB10_A2_UI are required. return true; case GL_UNSIGNED_NORMALIZED: if (internalFormat == GL_SRGB8) { return false; } return true; default: UNREACHABLE(); #if !UNREACHABLE_IS_NORETURN return false; #endif } } Format::Format(GLenum internalFormat) : Format(GetSizedInternalFormatInfo(internalFormat)) {} Format::Format(const InternalFormat &internalFormat) : info(&internalFormat) {} Format::Format(GLenum internalFormat, GLenum type) : info(&GetInternalFormatInfo(internalFormat, type)) {} Format::Format(const Format &other) = default; Format &Format::operator=(const Format &other) = default; bool Format::valid() const { return info->internalFormat != GL_NONE; } // static bool Format::SameSized(const Format &a, const Format &b) { return a.info->sizedInternalFormat == b.info->sizedInternalFormat; } static GLenum EquivalentBlitInternalFormat(GLenum internalformat) { // BlitFramebuffer works if the color channels are identically // sized, even if there is a swizzle (for example, blitting from a // multisampled RGBA8 renderbuffer to a BGRA8 texture). This could // be expanded and/or autogenerated if that is found necessary. if (internalformat == GL_BGRA8_EXT) return GL_RGBA8; return internalformat; } // static bool Format::EquivalentForBlit(const Format &a, const Format &b) { return (EquivalentBlitInternalFormat(a.info->sizedInternalFormat) == EquivalentBlitInternalFormat(b.info->sizedInternalFormat)); } // static Format Format::Invalid() { static Format invalid(GL_NONE, GL_NONE); return invalid; } std::ostream &operator<<(std::ostream &os, const Format &fmt) { // TODO(ynovikov): return string representation when available return FmtHex(os, fmt.info->sizedInternalFormat); } bool InternalFormat::operator==(const InternalFormat &other) const { // We assume all internal formats are unique if they have the same internal format and type return internalFormat == other.internalFormat && type == other.type; } bool InternalFormat::operator!=(const InternalFormat &other) const { return !(*this == other); } void InsertFormatInfo(InternalFormatInfoMap *map, const InternalFormat &formatInfo) { ASSERT(!formatInfo.sized || (*map).count(formatInfo.internalFormat) == 0); ASSERT((*map)[formatInfo.internalFormat].count(formatInfo.type) == 0); (*map)[formatInfo.internalFormat][formatInfo.type] = formatInfo; } void AddRGBAFormat(InternalFormatInfoMap *map, GLenum internalFormat, bool sized, GLuint red, GLuint green, GLuint blue, GLuint alpha, GLuint shared, GLenum format, GLenum type, GLenum componentType, bool srgb, InternalFormat::SupportCheckFunction textureSupport, InternalFormat::SupportCheckFunction filterSupport, InternalFormat::SupportCheckFunction textureAttachmentSupport, InternalFormat::SupportCheckFunction renderbufferSupport) { InternalFormat formatInfo; formatInfo.internalFormat = internalFormat; formatInfo.sized = sized; formatInfo.sizedInternalFormat = sized ? internalFormat : GetSizedFormatInternal(internalFormat, type); 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.filterSupport = filterSupport; formatInfo.textureAttachmentSupport = textureAttachmentSupport; formatInfo.renderbufferSupport = renderbufferSupport; InsertFormatInfo(map, formatInfo); } static void AddLUMAFormat(InternalFormatInfoMap *map, GLenum internalFormat, bool sized, GLuint luminance, GLuint alpha, GLenum format, GLenum type, GLenum componentType, InternalFormat::SupportCheckFunction textureSupport, InternalFormat::SupportCheckFunction filterSupport, InternalFormat::SupportCheckFunction textureAttachmentSupport, InternalFormat::SupportCheckFunction renderbufferSupport) { InternalFormat formatInfo; formatInfo.internalFormat = internalFormat; formatInfo.sized = sized; formatInfo.sizedInternalFormat = sized ? internalFormat : GetSizedFormatInternal(internalFormat, 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.filterSupport = filterSupport; formatInfo.textureAttachmentSupport = textureAttachmentSupport; formatInfo.renderbufferSupport = renderbufferSupport; InsertFormatInfo(map, formatInfo); } void AddDepthStencilFormat(InternalFormatInfoMap *map, GLenum internalFormat, bool sized, GLuint depthBits, GLuint stencilBits, GLuint unusedBits, GLenum format, GLenum type, GLenum componentType, InternalFormat::SupportCheckFunction textureSupport, InternalFormat::SupportCheckFunction filterSupport, InternalFormat::SupportCheckFunction textureAttachmentSupport, InternalFormat::SupportCheckFunction renderbufferSupport) { InternalFormat formatInfo; formatInfo.internalFormat = internalFormat; formatInfo.sized = sized; formatInfo.sizedInternalFormat = sized ? internalFormat : GetSizedFormatInternal(internalFormat, type); 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.filterSupport = filterSupport; formatInfo.textureAttachmentSupport = textureAttachmentSupport; formatInfo.renderbufferSupport = renderbufferSupport; InsertFormatInfo(map, formatInfo); } void AddCompressedFormat(InternalFormatInfoMap *map, GLenum internalFormat, GLuint compressedBlockWidth, GLuint compressedBlockHeight, GLuint compressedBlockSize, GLuint componentCount, bool srgb, InternalFormat::SupportCheckFunction textureSupport, InternalFormat::SupportCheckFunction filterSupport, InternalFormat::SupportCheckFunction textureAttachmentSupport, InternalFormat::SupportCheckFunction renderbufferSupport) { InternalFormat formatInfo; formatInfo.internalFormat = internalFormat; formatInfo.sized = true; formatInfo.sizedInternalFormat = internalFormat; formatInfo.compressedBlockWidth = compressedBlockWidth; formatInfo.compressedBlockHeight = compressedBlockHeight; formatInfo.pixelBytes = compressedBlockSize / 8; formatInfo.componentCount = componentCount; formatInfo.format = internalFormat; formatInfo.type = GL_UNSIGNED_BYTE; formatInfo.componentType = GL_UNSIGNED_NORMALIZED; formatInfo.colorEncoding = (srgb ? GL_SRGB : GL_LINEAR); formatInfo.compressed = true; formatInfo.textureSupport = textureSupport; formatInfo.filterSupport = filterSupport; formatInfo.textureAttachmentSupport = textureAttachmentSupport; formatInfo.renderbufferSupport = renderbufferSupport; InsertFormatInfo(map, formatInfo); } // Notes: // 1. "Texture supported" includes all the means by which texture can be created, however, // GL_EXT_texture_storage in ES2 is a special case, when only glTexStorage* is allowed. // The assumption is that ES2 validation will not check textureSupport for sized formats. // // 2. Sized half float types are a combination of GL_HALF_FLOAT and GL_HALF_FLOAT_OES support, // due to a limitation that only one type for sized formats is allowed. // // TODO(ynovikov): http://anglebug.com/2846 Verify support fields of BGRA, depth, stencil // and compressed formats. Perform texturable check as part of filterable and attachment checks. static InternalFormatInfoMap BuildInternalFormatInfoMap() { InternalFormatInfoMap map; // From ES 3.0.1 spec, table 3.12 map[GL_NONE][GL_NONE] = InternalFormat(); // clang-format off // | Internal format |sized| R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | AddRGBAFormat(&map, GL_R8, true, 8, 0, 0, 0, 0, GL_RED, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, SizedRGSupport, AlwaysSupported, SizedRGSupport, RequireESOrExt<3, 0, &Extensions::textureRG> ); AddRGBAFormat(&map, GL_R8_SNORM, true, 8, 0, 0, 0, 0, GL_RED, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3, 0>, AlwaysSupported, NeverSupported, NeverSupported ); AddRGBAFormat(&map, GL_RG8, true, 8, 8, 0, 0, 0, GL_RG, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, SizedRGSupport, AlwaysSupported, SizedRGSupport, RequireESOrExt<3, 0, &Extensions::textureRG> ); AddRGBAFormat(&map, GL_RG8_SNORM, true, 8, 8, 0, 0, 0, GL_RG, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3, 0>, AlwaysSupported, NeverSupported, NeverSupported ); AddRGBAFormat(&map, GL_RGB8, true, 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureStorage>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::textureStorage>, RequireESOrExt<3, 0, &Extensions::rgb8rgba8> ); AddRGBAFormat(&map, GL_RGB8_SNORM, true, 8, 8, 8, 0, 0, GL_RGB, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3, 0>, AlwaysSupported, NeverSupported, NeverSupported ); AddRGBAFormat(&map, GL_RGB565, true, 5, 6, 5, 0, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureStorage>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::textureStorage>, RequireES<2, 0> ); AddRGBAFormat(&map, GL_RGBA4, true, 4, 4, 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureStorage>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::textureStorage>, RequireES<2, 0> ); AddRGBAFormat(&map, GL_RGB5_A1, true, 5, 5, 5, 1, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureStorage>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::textureStorage>, RequireES<2, 0> ); AddRGBAFormat(&map, GL_RGBA8, true, 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireESOrExt<3, 0, &Extensions::textureStorage>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::textureStorage>, RequireESOrExt<3, 0, &Extensions::rgb8rgba8> ); AddRGBAFormat(&map, GL_RGBA8_SNORM, true, 8, 8, 8, 8, 0, GL_RGBA, GL_BYTE, GL_SIGNED_NORMALIZED, false, RequireES<3, 0>, AlwaysSupported, NeverSupported, NeverSupported ); AddRGBAFormat(&map, GL_RGB10_A2, true, 10, 10, 10, 2, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, RequireES<3, 0>, AlwaysSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_RGB10_A2UI, true, 10, 10, 10, 2, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_SRGB8, true, 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireES<3, 0>, AlwaysSupported, NeverSupported, NeverSupported ); AddRGBAFormat(&map, GL_SRGB8_ALPHA8, true, 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireES<3, 0>, AlwaysSupported, RequireES<3, 0>, RequireESOrExt<3, 0, &Extensions::sRGB> ); AddRGBAFormat(&map, GL_R11F_G11F_B10F, true, 11, 11, 10, 0, 0, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, GL_FLOAT, false, RequireES<3, 0>, AlwaysSupported, RequireExt<&Extensions::colorBufferFloat>, RequireExt<&Extensions::colorBufferFloat> ); AddRGBAFormat(&map, GL_RGB9_E5, true, 9, 9, 9, 0, 5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, GL_FLOAT, false, RequireES<3, 0>, AlwaysSupported, NeverSupported, NeverSupported ); AddRGBAFormat(&map, GL_R8I, true, 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_R8UI, true, 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_R16I, true, 16, 0, 0, 0, 0, GL_RED_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_R16UI, true, 16, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_R32I, true, 32, 0, 0, 0, 0, GL_RED_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_R32UI, true, 32, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_RG8I, true, 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_RG8UI, true, 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_RG16I, true, 16, 16, 0, 0, 0, GL_RG_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_RG16UI, true, 16, 16, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_RG32I, true, 32, 32, 0, 0, 0, GL_RG_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_RG32UI, true, 32, 32, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_RGB8I, true, 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported ); AddRGBAFormat(&map, GL_RGB8UI, true, 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported ); AddRGBAFormat(&map, GL_RGB16I, true, 16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported ); AddRGBAFormat(&map, GL_RGB16UI, true, 16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported ); AddRGBAFormat(&map, GL_RGB32I, true, 32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported ); AddRGBAFormat(&map, GL_RGB32UI, true, 32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported ); AddRGBAFormat(&map, GL_RGBA8I, true, 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_RGBA8UI, true, 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_RGBA16I, true, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_RGBA16UI, true, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_RGBA32I, true, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_RGBA32UI, true, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, RequireES<3, 0>, RequireES<3, 0> ); AddRGBAFormat(&map, GL_BGRA8_EXT, true, 8, 8, 8, 8, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported, RequireExt<&Extensions::textureFormatBGRA8888>, RequireExt<&Extensions::textureFormatBGRA8888>); AddRGBAFormat(&map, GL_BGRA4_ANGLEX, true, 4, 4, 4, 4, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported, RequireExt<&Extensions::textureFormatBGRA8888>, RequireExt<&Extensions::textureFormatBGRA8888>); AddRGBAFormat(&map, GL_BGR5_A1_ANGLEX, true, 5, 5, 5, 1, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported, RequireExt<&Extensions::textureFormatBGRA8888>, RequireExt<&Extensions::textureFormatBGRA8888>); // Special format that is used for D3D textures that are used within ANGLE via the // EGL_ANGLE_d3d_texture_client_buffer extension. We don't allow uploading texture images with // this format, but textures in this format can be created from D3D textures, and filtering them // and rendering to them is allowed. AddRGBAFormat(&map, GL_BGRA8_SRGB_ANGLEX, true, 8, 8, 8, 8, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, NeverSupported, AlwaysSupported, AlwaysSupported, AlwaysSupported ); // Special format which is not really supported, so always false for all supports. AddRGBAFormat(&map, GL_BGRX8_ANGLEX, true, 8, 8, 8, 0, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported ); AddRGBAFormat(&map, GL_BGR565_ANGLEX, true, 5, 6, 5, 1, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported ); // Floating point formats // | Internal format |sized| R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | // It's not possible to have two entries per sized format. // E.g. for GL_RG16F, one with GL_HALF_FLOAT type and the other with GL_HALF_FLOAT_OES type. // So, GL_HALF_FLOAT type formats conditions are merged with GL_HALF_FLOAT_OES type conditions. AddRGBAFormat(&map, GL_R16F, true, 16, 0, 0, 0, 0, GL_RED, GL_HALF_FLOAT, GL_FLOAT, false, SizedHalfFloatRGSupport, SizedHalfFloatFilterSupport, SizedHalfFloatRGTextureAttachmentSupport, SizedHalfFloatRGRenderbufferSupport ); AddRGBAFormat(&map, GL_RG16F, true, 16, 16, 0, 0, 0, GL_RG, GL_HALF_FLOAT, GL_FLOAT, false, SizedHalfFloatRGSupport, SizedHalfFloatFilterSupport, SizedHalfFloatRGTextureAttachmentSupport, SizedHalfFloatRGRenderbufferSupport ); AddRGBAFormat(&map, GL_RGB16F, true, 16, 16, 16, 0, 0, GL_RGB, GL_HALF_FLOAT, GL_FLOAT, false, SizedHalfFloatSupport, SizedHalfFloatFilterSupport, SizedHalfFloatRGBTextureAttachmentSupport, SizedHalfFloatRGBRenderbufferSupport ); AddRGBAFormat(&map, GL_RGBA16F, true, 16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT, GL_FLOAT, false, SizedHalfFloatSupport, SizedHalfFloatFilterSupport, SizedHalfFloatRGBATextureAttachmentSupport, SizedHalfFloatRGBARenderbufferSupport ); AddRGBAFormat(&map, GL_R32F, true, 32, 0, 0, 0, 0, GL_RED, GL_FLOAT, GL_FLOAT, false, SizedFloatRGSupport, RequireExt<&Extensions::textureFloatLinear>, RequireExt<&Extensions::colorBufferFloat>, RequireExt<&Extensions::colorBufferFloat>); AddRGBAFormat(&map, GL_RG32F, true, 32, 32, 0, 0, 0, GL_RG, GL_FLOAT, GL_FLOAT, false, SizedFloatRGSupport, RequireExt<&Extensions::textureFloatLinear>, RequireExt<&Extensions::colorBufferFloat>, RequireExt<&Extensions::colorBufferFloat>); AddRGBAFormat(&map, GL_RGB32F, true, 32, 32, 32, 0, 0, GL_RGB, GL_FLOAT, GL_FLOAT, false, SizedFloatRGBSupport, RequireExt<&Extensions::textureFloatLinear>, RequireExt<&Extensions::colorBufferFloatRGB>, NeverSupported ); AddRGBAFormat(&map, GL_RGBA32F, true, 32, 32, 32, 32, 0, GL_RGBA, GL_FLOAT, GL_FLOAT, false, SizedFloatRGBASupport, RequireExt<&Extensions::textureFloatLinear>, SizedFloatRGBARenderableSupport, SizedFloatRGBARenderableSupport ); // ANGLE Depth stencil formats // | Internal format |sized| D |S | X | Format | Type | Component type | Texture supported | Filterable | Texture attachment | Renderbuffer | AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT16, true, 16, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, RequireES<1, 0>, RequireESOrExtOrExt<3, 0, &Extensions::depthTextureANGLE, &Extensions::depthTextureOES>, RequireES<1, 0>, RequireES<1, 0> ); AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT24, true, 24, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, RequireES<3, 0>, RequireESOrExt<3, 0, &Extensions::depthTextureANGLE>, RequireES<3, 0>, RequireES<3, 0> ); AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT32F, true, 32, 0, 0, GL_DEPTH_COMPONENT, GL_FLOAT, GL_FLOAT, RequireES<3, 0>, RequireESOrExt<3, 0, &Extensions::depthTextureANGLE>, RequireES<3, 0>, RequireES<3, 0> ); AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT32_OES, true, 32, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, RequireExtOrExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES, &Extensions::depth32>, AlwaysSupported, RequireExtOrExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES, &Extensions::depth32>, RequireExtOrExtOrExt<&Extensions::depthTextureANGLE, &Extensions::depthTextureOES, &Extensions::depth32>); AddDepthStencilFormat(&map, GL_DEPTH24_STENCIL8, true, 24, 8, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, GL_UNSIGNED_NORMALIZED, RequireESOrExt<3, 0, &Extensions::depthTextureANGLE>, AlwaysSupported, RequireESOrExtOrExt<3, 0, &Extensions::depthTextureANGLE, &Extensions::packedDepthStencil>, RequireESOrExtOrExt<3, 0, &Extensions::depthTextureANGLE, &Extensions::packedDepthStencil>); AddDepthStencilFormat(&map, GL_DEPTH32F_STENCIL8, true, 32, 8, 24, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, GL_FLOAT, RequireES<3, 0>, AlwaysSupported, RequireES<3, 0>, RequireES<3, 0> ); // STENCIL_INDEX8 is special-cased, see around the bottom of the list. // Luminance alpha formats // | Internal format |sized| L | A | Format | Type | Component type | Texture supported | Filterable | Texture attachment | Renderbuffer | AddLUMAFormat(&map, GL_ALPHA8_EXT, true, 0, 8, GL_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorage>, AlwaysSupported, NeverSupported, NeverSupported); AddLUMAFormat(&map, GL_LUMINANCE8_EXT, true, 8, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorage>, AlwaysSupported, NeverSupported, NeverSupported); AddLUMAFormat(&map, GL_LUMINANCE8_ALPHA8_EXT, true, 8, 8, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireExt<&Extensions::textureStorage>, AlwaysSupported, NeverSupported, NeverSupported); AddLUMAFormat(&map, GL_ALPHA16F_EXT, true, 0, 16, GL_ALPHA, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureHalfFloat>, RequireExt<&Extensions::textureHalfFloatLinear>, NeverSupported, NeverSupported); AddLUMAFormat(&map, GL_LUMINANCE16F_EXT, true, 16, 0, GL_LUMINANCE, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureHalfFloat>, RequireExt<&Extensions::textureHalfFloatLinear>, NeverSupported, NeverSupported); AddLUMAFormat(&map, GL_LUMINANCE_ALPHA16F_EXT, true, 16, 16, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureHalfFloat>, RequireExt<&Extensions::textureHalfFloatLinear>, NeverSupported, NeverSupported); AddLUMAFormat(&map, GL_ALPHA32F_EXT, true, 0, 32, GL_ALPHA, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureFloat>, RequireExt<&Extensions::textureFloatLinear>, NeverSupported, NeverSupported); AddLUMAFormat(&map, GL_LUMINANCE32F_EXT, true, 32, 0, GL_LUMINANCE, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureFloat>, RequireExt<&Extensions::textureFloatLinear>, NeverSupported, NeverSupported); AddLUMAFormat(&map, GL_LUMINANCE_ALPHA32F_EXT, true, 32, 32, GL_LUMINANCE_ALPHA, GL_FLOAT, GL_FLOAT, RequireExtAndExt<&Extensions::textureStorage, &Extensions::textureFloat>, RequireExt<&Extensions::textureFloatLinear>, NeverSupported, NeverSupported); // Compressed formats, From ES 3.0.1 spec, table 3.16 // | Internal format |W |H | BS |CC| SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | AddCompressedFormat(&map, GL_COMPRESSED_R11_EAC, 4, 4, 64, 1, false, RequireESOrExtOrExt<3, 0, &Extensions::compressedTextureETC, &Extensions::compressedEACR11UnsignedTexture>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SIGNED_R11_EAC, 4, 4, 64, 1, false, RequireESOrExtOrExt<3, 0, &Extensions::compressedTextureETC, &Extensions::compressedEACR11SignedTexture>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RG11_EAC, 4, 4, 128, 2, false, RequireESOrExtOrExt<3, 0, &Extensions::compressedTextureETC, &Extensions::compressedEACRG11UnsignedTexture>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SIGNED_RG11_EAC, 4, 4, 128, 2, false, RequireESOrExtOrExt<3, 0, &Extensions::compressedTextureETC, &Extensions::compressedEACRG11SignedTexture>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGB8_ETC2, 4, 4, 64, 3, false, RequireESOrExtOrExt<3, 0, &Extensions::compressedTextureETC, &Extensions::compressedETC2RGB8Texture>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ETC2, 4, 4, 64, 3, true, RequireESOrExtOrExt<3, 0, &Extensions::compressedTextureETC, &Extensions::compressedETC2sRGB8Texture>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, 4, 4, 64, 3, false, RequireESOrExtOrExt<3, 0, &Extensions::compressedTextureETC, &Extensions::compressedETC2PunchthroughARGB8Texture>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, 4, 4, 64, 3, true, RequireESOrExtOrExt<3, 0, &Extensions::compressedTextureETC, &Extensions::compressedETC2PunchthroughAsRGB8AlphaTexture>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGBA8_ETC2_EAC, 4, 4, 128, 4, false, RequireESOrExtOrExt<3, 0, &Extensions::compressedTextureETC, &Extensions::compressedETC2RGBA8Texture>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, 4, 4, 128, 4, true, RequireESOrExtOrExt<3, 0, &Extensions::compressedTextureETC, &Extensions::compressedETC2sRGB8Alpha8Texture>, AlwaysSupported, NeverSupported, NeverSupported); // From GL_EXT_texture_compression_dxt1 // | Internal format |W |H | BS |CC| SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | AddCompressedFormat(&map, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 4, 4, 64, 3, false, RequireExt<&Extensions::textureCompressionDXT1>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 4, 4, 64, 4, false, RequireExt<&Extensions::textureCompressionDXT1>, AlwaysSupported, NeverSupported, NeverSupported); // From GL_ANGLE_texture_compression_dxt3 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, 4, 4, 128, 4, false, RequireExt<&Extensions::textureCompressionDXT3>, AlwaysSupported, NeverSupported, NeverSupported); // From GL_ANGLE_texture_compression_dxt5 AddCompressedFormat(&map, GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, 4, 4, 128, 4, false, RequireExt<&Extensions::textureCompressionDXT5>, AlwaysSupported, NeverSupported, NeverSupported); // From GL_OES_compressed_ETC1_RGB8_texture AddCompressedFormat(&map, GL_ETC1_RGB8_OES, 4, 4, 64, 3, false, RequireExt<&Extensions::compressedETC1RGB8Texture>, AlwaysSupported, NeverSupported, NeverSupported); // From GL_EXT_texture_compression_s3tc_srgb // | Internal format |W |H | BS |CC|SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | AddCompressedFormat(&map, GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, 4, 4, 64, 3, true, RequireExt<&Extensions::textureCompressionS3TCsRGB>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, 4, 4, 64, 4, true, RequireExt<&Extensions::textureCompressionS3TCsRGB>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, 4, 4, 128, 4, true, RequireExt<&Extensions::textureCompressionS3TCsRGB>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, 4, 4, 128, 4, true, RequireExt<&Extensions::textureCompressionS3TCsRGB>, AlwaysSupported, NeverSupported, NeverSupported); // From KHR_texture_compression_astc_hdr // | Internal format | W | H | BS |CC| SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_4x4_KHR, 4, 4, 128, 4, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_5x4_KHR, 5, 4, 128, 4, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_5x5_KHR, 5, 5, 128, 4, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_6x5_KHR, 6, 5, 128, 4, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_6x6_KHR, 6, 6, 128, 4, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_8x5_KHR, 8, 5, 128, 4, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_8x6_KHR, 8, 6, 128, 4, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_8x8_KHR, 8, 8, 128, 4, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_10x5_KHR, 10, 5, 128, 4, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_10x6_KHR, 10, 6, 128, 4, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_10x8_KHR, 10, 8, 128, 4, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_10x10_KHR, 10, 10, 128, 4, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_12x10_KHR, 12, 10, 128, 4, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGBA_ASTC_12x12_KHR, 12, 12, 128, 4, false, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR, 4, 4, 128, 4, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR, 5, 4, 128, 4, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR, 5, 5, 128, 4, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR, 6, 5, 128, 4, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR, 6, 6, 128, 4, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR, 8, 5, 128, 4, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR, 8, 6, 128, 4, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR, 8, 8, 128, 4, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR, 10, 5, 128, 4, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR, 10, 6, 128, 4, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR, 10, 8, 128, 4, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR, 10, 10, 128, 4, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, 12, 10, 128, 4, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR, 12, 12, 128, 4, true, RequireExtOrExt<&Extensions::textureCompressionASTCHDR, &Extensions::textureCompressionASTCLDR>, AlwaysSupported, NeverSupported, NeverSupported); // From EXT_texture_compression_bptc // | Internal format | W | H | BS |CC| SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | AddCompressedFormat(&map, GL_COMPRESSED_RGBA_BPTC_UNORM_EXT, 4, 4, 128, 4, false, RequireExt<&Extensions::textureCompressionBPTC>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT, 4, 4, 128, 4, true, RequireExt<&Extensions::textureCompressionBPTC>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT, 4, 4, 128, 4, false, RequireExt<&Extensions::textureCompressionBPTC>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT, 4, 4, 128, 4, false, RequireExt<&Extensions::textureCompressionBPTC>, AlwaysSupported, NeverSupported, NeverSupported); // 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 |sized|D |S |X | Format | Type | Component type | Texture supported | Filterable | Texture attachment | Renderbuffer | AddDepthStencilFormat(&map, GL_STENCIL_INDEX8, true, 0, 8, 0, GL_STENCIL, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireES<1, 0>, NeverSupported, RequireES<1, 0>, RequireES<1, 0>); // From GL_ANGLE_lossy_etc_decode // | Internal format |W |H |BS |CC| SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | AddCompressedFormat(&map, GL_ETC1_RGB8_LOSSY_DECODE_ANGLE, 4, 4, 64, 3, false, RequireExt<&Extensions::lossyETCDecode>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGB8_LOSSY_DECODE_ETC2_ANGLE, 4, 4, 64, 3, false, RequireExt<&Extensions::lossyETCDecode>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_LOSSY_DECODE_ETC2_ANGLE, 4, 4, 64, 3, true, RequireExt<&Extensions::lossyETCDecode>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE, 4, 4, 64, 3, false, RequireExt<&Extensions::lossyETCDecode>, AlwaysSupported, NeverSupported, NeverSupported); AddCompressedFormat(&map, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE, 4, 4, 64, 3, true, RequireExt<&Extensions::lossyETCDecode>, AlwaysSupported, NeverSupported, NeverSupported); // From GL_EXT_texture_norm16 // | Internal format |sized| R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | AddRGBAFormat(&map, GL_R16_EXT, true, 16, 0, 0, 0, 0, GL_RED, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, AlwaysSupported, RequireExt<&Extensions::textureNorm16>, RequireExt<&Extensions::textureNorm16>); AddRGBAFormat(&map, GL_R16_SNORM_EXT, true, 16, 0, 0, 0, 0, GL_RED, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, AlwaysSupported, NeverSupported, NeverSupported ); AddRGBAFormat(&map, GL_RG16_EXT, true, 16, 16, 0, 0, 0, GL_RG, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, AlwaysSupported, RequireExt<&Extensions::textureNorm16>, RequireExt<&Extensions::textureNorm16>); AddRGBAFormat(&map, GL_RG16_SNORM_EXT, true, 16, 16, 0, 0, 0, GL_RG, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, AlwaysSupported, NeverSupported, NeverSupported ); AddRGBAFormat(&map, GL_RGB16_EXT, true, 16, 16, 16, 0, 0, GL_RGB, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, AlwaysSupported, NeverSupported, NeverSupported ); AddRGBAFormat(&map, GL_RGB16_SNORM_EXT, true, 16, 16, 16, 0, 0, GL_RGB, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, AlwaysSupported, NeverSupported, NeverSupported ); AddRGBAFormat(&map, GL_RGBA16_EXT, true, 16, 16, 16, 16, 0, GL_RGBA, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, AlwaysSupported, RequireExt<&Extensions::textureNorm16>, RequireExt<&Extensions::textureNorm16>); AddRGBAFormat(&map, GL_RGBA16_SNORM_EXT, true, 16, 16, 16, 16, 0, GL_RGBA, GL_SHORT, GL_SIGNED_NORMALIZED, false, RequireExt<&Extensions::textureNorm16>, AlwaysSupported, NeverSupported, NeverSupported ); // Unsized formats // | Internal format |sized | R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | AddRGBAFormat(&map, GL_RED, false, 8, 0, 0, 0, 0, GL_RED, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureRG>, AlwaysSupported, RequireExt<&Extensions::textureRG>, NeverSupported); AddRGBAFormat(&map, GL_RED, false, 8, 0, 0, 0, 0, GL_RED, GL_BYTE, GL_SIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RG, false, 8, 8, 0, 0, 0, GL_RG, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureRG>, AlwaysSupported, RequireExt<&Extensions::textureRG>, NeverSupported); AddRGBAFormat(&map, GL_RG, false, 8, 8, 0, 0, 0, GL_RG, GL_BYTE, GL_SIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGB, false, 8, 8, 8, 0, 0, GL_RGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, RequireES<2, 0>, NeverSupported); AddRGBAFormat(&map, GL_RGB, false, 5, 6, 5, 0, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, RequireES<2, 0>, NeverSupported); AddRGBAFormat(&map, GL_RGB, false, 8, 8, 8, 0, 0, GL_RGB, GL_BYTE, GL_SIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGBA, false, 4, 4, 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, RequireES<2, 0>, NeverSupported); AddRGBAFormat(&map, GL_RGBA, false, 5, 5, 5, 1, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, RequireES<2, 0>, NeverSupported); AddRGBAFormat(&map, GL_RGBA, false, 8, 8, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, AlwaysSupported, AlwaysSupported, RequireES<2, 0>, NeverSupported); AddRGBAFormat(&map, GL_RGBA, false, 10, 10, 10, 2, 0, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGBA, false, 8, 8, 8, 8, 0, GL_RGBA, GL_BYTE, GL_SIGNED_NORMALIZED, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_SRGB, false, 8, 8, 8, 0, 0, GL_SRGB, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireExt<&Extensions::sRGB>, AlwaysSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_SRGB_ALPHA_EXT, false, 8, 8, 8, 8, 0, GL_SRGB_ALPHA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, true, RequireExt<&Extensions::sRGB>, AlwaysSupported, RequireExt<&Extensions::sRGB>, NeverSupported); AddRGBAFormat(&map, GL_BGRA_EXT, false, 8, 8, 8, 8, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, false, RequireExt<&Extensions::textureFormatBGRA8888>, AlwaysSupported, RequireExt<&Extensions::textureFormatBGRA8888>, NeverSupported); // Unsized integer formats // |Internal format |sized | R | G | B | A |S | Format | Type | Component type | SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | AddRGBAFormat(&map, GL_RED_INTEGER, false, 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RED_INTEGER, false, 8, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RED_INTEGER, false, 16, 0, 0, 0, 0, GL_RED_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RED_INTEGER, false, 16, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RED_INTEGER, false, 32, 0, 0, 0, 0, GL_RED_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RED_INTEGER, false, 32, 0, 0, 0, 0, GL_RED_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RG_INTEGER, false, 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RG_INTEGER, false, 8, 8, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RG_INTEGER, false, 16, 16, 0, 0, 0, GL_RG_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RG_INTEGER, false, 16, 16, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RG_INTEGER, false, 32, 32, 0, 0, 0, GL_RG_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RG_INTEGER, false, 32, 32, 0, 0, 0, GL_RG_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGB_INTEGER, false, 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGB_INTEGER, false, 8, 8, 8, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGB_INTEGER, false, 16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGB_INTEGER, false, 16, 16, 16, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGB_INTEGER, false, 32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGB_INTEGER, false, 32, 32, 32, 0, 0, GL_RGB_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_BYTE, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 8, 8, 8, 8, 0, GL_RGBA_INTEGER, GL_UNSIGNED_BYTE, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_SHORT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 16, 16, 16, 16, 0, GL_RGBA_INTEGER, GL_UNSIGNED_SHORT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_INT, GL_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 32, 32, 32, 32, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGBA_INTEGER, false, 10, 10, 10, 2, 0, GL_RGBA_INTEGER, GL_UNSIGNED_INT_2_10_10_10_REV, GL_UNSIGNED_INT, false, RequireES<3, 0>, NeverSupported, NeverSupported, NeverSupported); // Unsized floating point formats // |Internal format |sized | R | G | B | A |S | Format | Type | Comp | SRGB | Texture supported | Filterable | Texture attachment | Renderbuffer | AddRGBAFormat(&map, GL_RED, false, 16, 0, 0, 0, 0, GL_RED, GL_HALF_FLOAT, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RG, false, 16, 16, 0, 0, 0, GL_RG, GL_HALF_FLOAT, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGB, false, 16, 16, 16, 0, 0, GL_RGB, GL_HALF_FLOAT, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGBA, false, 16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RED, false, 16, 0, 0, 0, 0, GL_RED, GL_HALF_FLOAT_OES, GL_FLOAT, false, RequireExtAndExt<&Extensions::textureHalfFloat, &Extensions::textureRG>, RequireExt<&Extensions::textureHalfFloatLinear>, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RG, false, 16, 16, 0, 0, 0, GL_RG, GL_HALF_FLOAT_OES, GL_FLOAT, false, RequireExtAndExt<&Extensions::textureHalfFloat, &Extensions::textureRG>, RequireExt<&Extensions::textureHalfFloatLinear>, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGB, false, 16, 16, 16, 0, 0, GL_RGB, GL_HALF_FLOAT_OES, GL_FLOAT, false, RequireExt<&Extensions::textureHalfFloat>, RequireExt<&Extensions::textureHalfFloatLinear>, RequireExtAndExt<&Extensions::colorBufferHalfFloat, &Extensions::webglCompatibility>, NeverSupported); AddRGBAFormat(&map, GL_RGBA, false, 16, 16, 16, 16, 0, GL_RGBA, GL_HALF_FLOAT_OES, GL_FLOAT, false, RequireExt<&Extensions::textureHalfFloat>, RequireExt<&Extensions::textureHalfFloatLinear>, RequireExt<&Extensions::colorBufferHalfFloat>, NeverSupported); AddRGBAFormat(&map, GL_RED, false, 32, 0, 0, 0, 0, GL_RED, GL_FLOAT, GL_FLOAT, false, RequireExtAndExt<&Extensions::textureFloat, &Extensions::textureRG>, RequireExt<&Extensions::textureFloatLinear>, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RG, false, 32, 32, 0, 0, 0, GL_RG, GL_FLOAT, GL_FLOAT, false, RequireExtAndExt<&Extensions::textureFloat, &Extensions::textureRG>, RequireExt<&Extensions::textureFloatLinear>, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGB, false, 32, 32, 32, 0, 0, GL_RGB, GL_FLOAT, GL_FLOAT, false, RequireExt<&Extensions::textureFloat>, RequireExt<&Extensions::textureFloatLinear>, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGB, false, 9, 9, 9, 0, 5, GL_RGB, GL_UNSIGNED_INT_5_9_9_9_REV, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGB, false, 11, 11, 10, 0, 0, GL_RGB, GL_UNSIGNED_INT_10F_11F_11F_REV, GL_FLOAT, false, NeverSupported, NeverSupported, NeverSupported, NeverSupported); AddRGBAFormat(&map, GL_RGBA, false, 32, 32, 32, 32, 0, GL_RGBA, GL_FLOAT, GL_FLOAT, false, RequireExt<&Extensions::textureFloat>, RequireExt<&Extensions::textureFloatLinear>, NeverSupported, NeverSupported); // Unsized luminance alpha formats // | Internal format |sized | L | A | Format | Type | Component type | Texture supported | Filterable | Texture attachment | Renderbuffer | AddLUMAFormat(&map, GL_ALPHA, false, 0, 8, GL_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, AlwaysSupported, AlwaysSupported, NeverSupported, NeverSupported); AddLUMAFormat(&map, GL_LUMINANCE, false, 8, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, AlwaysSupported, AlwaysSupported, NeverSupported, NeverSupported); AddLUMAFormat(&map, GL_LUMINANCE_ALPHA, false, 8, 8, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, AlwaysSupported, AlwaysSupported, NeverSupported, NeverSupported); AddLUMAFormat(&map, GL_ALPHA, false, 0, 16, GL_ALPHA, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExt<&Extensions::textureHalfFloat>, RequireExt<&Extensions::textureHalfFloatLinear>, NeverSupported, NeverSupported); AddLUMAFormat(&map, GL_LUMINANCE, false, 16, 0, GL_LUMINANCE, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExt<&Extensions::textureHalfFloat>, RequireExt<&Extensions::textureHalfFloatLinear>, NeverSupported, NeverSupported); AddLUMAFormat(&map, GL_LUMINANCE_ALPHA, false, 16, 16, GL_LUMINANCE_ALPHA, GL_HALF_FLOAT_OES, GL_FLOAT, RequireExt<&Extensions::textureHalfFloat>, RequireExt<&Extensions::textureHalfFloatLinear>, NeverSupported, NeverSupported); AddLUMAFormat(&map, GL_ALPHA, false, 0, 32, GL_ALPHA, GL_FLOAT, GL_FLOAT, RequireExt<&Extensions::textureFloat>, RequireExt<&Extensions::textureFloatLinear>, NeverSupported, NeverSupported); AddLUMAFormat(&map, GL_LUMINANCE, false, 32, 0, GL_LUMINANCE, GL_FLOAT, GL_FLOAT, RequireExt<&Extensions::textureFloat>, RequireExt<&Extensions::textureFloatLinear>, NeverSupported, NeverSupported); AddLUMAFormat(&map, GL_LUMINANCE_ALPHA, false, 32, 32, GL_LUMINANCE_ALPHA, GL_FLOAT, GL_FLOAT, RequireExt<&Extensions::textureFloat>, RequireExt<&Extensions::textureFloatLinear>, NeverSupported, NeverSupported); // Unsized depth stencil formats // | Internal format |sized | D |S | X | Format | Type | Component type | Texture supported | Filterable | Texture attachment | Renderbuffer | AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT, false, 16, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, GL_UNSIGNED_NORMALIZED, RequireES<1, 0>, AlwaysSupported, RequireES<1, 0>, RequireES<1, 0> ); AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT, false, 24, 0, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, GL_UNSIGNED_NORMALIZED, RequireES<1, 0>, AlwaysSupported, RequireES<1, 0>, RequireES<1, 0> ); AddDepthStencilFormat(&map, GL_DEPTH_COMPONENT, false, 32, 0, 0, GL_DEPTH_COMPONENT, GL_FLOAT, GL_FLOAT, RequireES<1, 0>, AlwaysSupported, RequireES<1, 0>, RequireES<1, 0> ); AddDepthStencilFormat(&map, GL_DEPTH_STENCIL, false, 24, 8, 0, GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8, GL_UNSIGNED_NORMALIZED, RequireESOrExt<3, 0, &Extensions::packedDepthStencil>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::packedDepthStencil>, RequireESOrExt<3, 0, &Extensions::packedDepthStencil>); AddDepthStencilFormat(&map, GL_DEPTH_STENCIL, false, 32, 8, 24, GL_DEPTH_STENCIL, GL_FLOAT_32_UNSIGNED_INT_24_8_REV, GL_FLOAT, RequireESOrExt<3, 0, &Extensions::packedDepthStencil>, AlwaysSupported, RequireESOrExt<3, 0, &Extensions::packedDepthStencil>, RequireESOrExt<3, 0, &Extensions::packedDepthStencil>); AddDepthStencilFormat(&map, GL_STENCIL, false, 0, 8, 0, GL_STENCIL, GL_UNSIGNED_BYTE, GL_UNSIGNED_NORMALIZED, RequireES<1, 0>, NeverSupported , RequireES<1, 0>, RequireES<1, 0> ); // clang-format on return map; } static const InternalFormatInfoMap &GetInternalFormatMap() { static const InternalFormatInfoMap formatMap = BuildInternalFormatInfoMap(); return formatMap; } static FormatSet BuildAllSizedInternalFormatSet() { FormatSet result; for (const auto &internalFormat : GetInternalFormatMap()) { for (const auto &type : internalFormat.second) { if (type.second.sized) { // TODO(jmadill): Fix this hack. if (internalFormat.first == GL_BGR565_ANGLEX) continue; result.insert(internalFormat.first); } } } return result; } uint32_t GetPackedTypeInfo(GLenum type) { switch (type) { case GL_UNSIGNED_BYTE: case GL_BYTE: { static constexpr uint32_t kPacked = PackTypeInfo(1, false); return kPacked; } case GL_UNSIGNED_SHORT: case GL_SHORT: case GL_HALF_FLOAT: case GL_HALF_FLOAT_OES: { static constexpr uint32_t kPacked = PackTypeInfo(2, false); return kPacked; } case GL_UNSIGNED_INT: case GL_INT: case GL_FLOAT: { static constexpr uint32_t kPacked = PackTypeInfo(4, false); return kPacked; } 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 constexpr uint32_t kPacked = PackTypeInfo(2, true); return kPacked; } 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 constexpr uint32_t kPacked = PackTypeInfo(4, true); return kPacked; } case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: { static constexpr uint32_t kPacked = PackTypeInfo(8, true); return kPacked; } default: { return 0; } } } const InternalFormat &GetSizedInternalFormatInfo(GLenum internalFormat) { static const InternalFormat defaultInternalFormat; const InternalFormatInfoMap &formatMap = GetInternalFormatMap(); auto iter = formatMap.find(internalFormat); // Sized internal formats only have one type per entry if (iter == formatMap.end() || iter->second.size() != 1) { return defaultInternalFormat; } const InternalFormat &internalFormatInfo = iter->second.begin()->second; if (!internalFormatInfo.sized) { return defaultInternalFormat; } return internalFormatInfo; } const InternalFormat &GetInternalFormatInfo(GLenum internalFormat, GLenum type) { static const InternalFormat defaultInternalFormat; const InternalFormatInfoMap &formatMap = GetInternalFormatMap(); auto internalFormatIter = formatMap.find(internalFormat); if (internalFormatIter == formatMap.end()) { return defaultInternalFormat; } // If the internal format is sized, simply return it without the type check. if (internalFormatIter->second.size() == 1 && internalFormatIter->second.begin()->second.sized) { return internalFormatIter->second.begin()->second; } auto typeIter = internalFormatIter->second.find(type); if (typeIter == internalFormatIter->second.end()) { return defaultInternalFormat; } return typeIter->second; } GLuint InternalFormat::computePixelBytes(GLenum formatType) const { const auto &typeInfo = GetTypeInfo(formatType); GLuint components = typeInfo.specialInterpretation ? 1u : componentCount; return components * typeInfo.bytes; } bool InternalFormat::computeRowPitch(GLenum formatType, GLsizei width, GLint alignment, GLint rowLength, GLuint *resultOut) const { // Compressed images do not use pack/unpack parameters. if (compressed) { ASSERT(rowLength == 0); return computeCompressedImageSize(Extents(width, 1, 1), resultOut); } 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); return CheckedMathResult(aligned, resultOut); } bool InternalFormat::computeDepthPitch(GLsizei height, GLint imageHeight, GLuint rowPitch, GLuint *resultOut) const { GLuint rows = (imageHeight > 0 ? static_cast<GLuint>(imageHeight) : static_cast<GLuint>(height)); CheckedNumeric<GLuint> checkedRowPitch(rowPitch); return CheckedMathResult(checkedRowPitch * rows, resultOut); } bool InternalFormat::computeDepthPitch(GLenum formatType, GLsizei width, GLsizei height, GLint alignment, GLint rowLength, GLint imageHeight, GLuint *resultOut) const { GLuint rowPitch = 0; if (!computeRowPitch(formatType, width, alignment, rowLength, &rowPitch)) { return false; } return computeDepthPitch(height, imageHeight, rowPitch, resultOut); } bool InternalFormat::computeCompressedImageSize(const Extents &size, GLuint *resultOut) 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; return CheckedMathResult(bytes, resultOut); } bool InternalFormat::computeSkipBytes(GLenum formatType, GLuint rowPitch, GLuint depthPitch, const PixelStoreStateBase &state, bool is3D, GLuint *resultOut) const { CheckedNumeric<GLuint> checkedRowPitch(rowPitch); CheckedNumeric<GLuint> checkedDepthPitch(depthPitch); CheckedNumeric<GLuint> checkedSkipImages(static_cast<GLuint>(state.skipImages)); CheckedNumeric<GLuint> checkedSkipRows(static_cast<GLuint>(state.skipRows)); CheckedNumeric<GLuint> checkedSkipPixels(static_cast<GLuint>(state.skipPixels)); CheckedNumeric<GLuint> checkedPixelBytes(computePixelBytes(formatType)); auto checkedSkipImagesBytes = checkedSkipImages * checkedDepthPitch; if (!is3D) { checkedSkipImagesBytes = 0; } auto skipBytes = checkedSkipImagesBytes + checkedSkipRows * checkedRowPitch + checkedSkipPixels * checkedPixelBytes; return CheckedMathResult(skipBytes, resultOut); } bool InternalFormat::computePackUnpackEndByte(GLenum formatType, const Extents &size, const PixelStoreStateBase &state, bool is3D, GLuint *resultOut) const { GLuint rowPitch = 0; if (!computeRowPitch(formatType, size.width, state.alignment, state.rowLength, &rowPitch)) { return false; } GLuint depthPitch = 0; if (is3D && !computeDepthPitch(size.height, state.imageHeight, rowPitch, &depthPitch)) { return false; } CheckedNumeric<GLuint> checkedCopyBytes(0); if (compressed) { GLuint copyBytes = 0; if (!computeCompressedImageSize(size, ©Bytes)) { return false; } checkedCopyBytes = copyBytes; } else if (size.height != 0 && (!is3D || size.depth != 0)) { CheckedNumeric<GLuint> bytes = computePixelBytes(formatType); checkedCopyBytes += size.width * bytes; CheckedNumeric<GLuint> heightMinusOne = size.height - 1; checkedCopyBytes += heightMinusOne * rowPitch; if (is3D) { CheckedNumeric<GLuint> depthMinusOne = size.depth - 1; checkedCopyBytes += depthMinusOne * depthPitch; } } GLuint skipBytes = 0; if (!computeSkipBytes(formatType, rowPitch, depthPitch, state, is3D, &skipBytes)) { return false; } CheckedNumeric<GLuint> endByte = checkedCopyBytes + CheckedNumeric<GLuint>(skipBytes); return CheckedMathResult(endByte, resultOut); } GLenum GetUnsizedFormat(GLenum internalFormat) { auto sizedFormatInfo = GetSizedInternalFormatInfo(internalFormat); if (sizedFormatInfo.internalFormat != GL_NONE) { return sizedFormatInfo.format; } return internalFormat; } 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(); #if !UNREACHABLE_IS_NORETURN return ATTRIBUTE_FLOAT; #endif } } angle::FormatID GetVertexFormatID(VertexAttribType type, GLboolean normalized, GLuint components, bool pureInteger) { switch (type) { case VertexAttribType::Byte: switch (components) { case 1: if (pureInteger) return angle::FormatID::R8_SINT; if (normalized) return angle::FormatID::R8_SNORM; return angle::FormatID::R8_SSCALED; case 2: if (pureInteger) return angle::FormatID::R8G8_SINT; if (normalized) return angle::FormatID::R8G8_SNORM; return angle::FormatID::R8G8_SSCALED; case 3: if (pureInteger) return angle::FormatID::R8G8B8_SINT; if (normalized) return angle::FormatID::R8G8B8_SNORM; return angle::FormatID::R8G8B8_SSCALED; case 4: if (pureInteger) return angle::FormatID::R8G8B8A8_SINT; if (normalized) return angle::FormatID::R8G8B8A8_SNORM; return angle::FormatID::R8G8B8A8_SSCALED; default: UNREACHABLE(); #if !UNREACHABLE_IS_NORETURN return angle::FormatID::NONE; #endif } case VertexAttribType::UnsignedByte: switch (components) { case 1: if (pureInteger) return angle::FormatID::R8_UINT; if (normalized) return angle::FormatID::R8_UNORM; return angle::FormatID::R8_USCALED; case 2: if (pureInteger) return angle::FormatID::R8G8_UINT; if (normalized) return angle::FormatID::R8G8_UNORM; return angle::FormatID::R8G8_USCALED; case 3: if (pureInteger) return angle::FormatID::R8G8B8_UINT; if (normalized) return angle::FormatID::R8G8B8_UNORM; return angle::FormatID::R8G8B8_USCALED; case 4: if (pureInteger) return angle::FormatID::R8G8B8A8_UINT; if (normalized) return angle::FormatID::R8G8B8A8_UNORM; return angle::FormatID::R8G8B8A8_USCALED; default: UNREACHABLE(); #if !UNREACHABLE_IS_NORETURN return angle::FormatID::NONE; #endif } case VertexAttribType::Short: switch (components) { case 1: if (pureInteger) return angle::FormatID::R16_SINT; if (normalized) return angle::FormatID::R16_SNORM; return angle::FormatID::R16_SSCALED; case 2: if (pureInteger) return angle::FormatID::R16G16_SINT; if (normalized) return angle::FormatID::R16G16_SNORM; return angle::FormatID::R16G16_SSCALED; case 3: if (pureInteger) return angle::FormatID::R16G16B16_SINT; if (normalized) return angle::FormatID::R16G16B16_SNORM; return angle::FormatID::R16G16B16_SSCALED; case 4: if (pureInteger) return angle::FormatID::R16G16B16A16_SINT; if (normalized) return angle::FormatID::R16G16B16A16_SNORM; return angle::FormatID::R16G16B16A16_SSCALED; default: UNREACHABLE(); #if !UNREACHABLE_IS_NORETURN return angle::FormatID::NONE; #endif } case VertexAttribType::UnsignedShort: switch (components) { case 1: if (pureInteger) return angle::FormatID::R16_UINT; if (normalized) return angle::FormatID::R16_UNORM; return angle::FormatID::R16_USCALED; case 2: if (pureInteger) return angle::FormatID::R16G16_UINT; if (normalized) return angle::FormatID::R16G16_UNORM; return angle::FormatID::R16G16_USCALED; case 3: if (pureInteger) return angle::FormatID::R16G16B16_UINT; if (normalized) return angle::FormatID::R16G16B16_UNORM; return angle::FormatID::R16G16B16_USCALED; case 4: if (pureInteger) return angle::FormatID::R16G16B16A16_UINT; if (normalized) return angle::FormatID::R16G16B16A16_UNORM; return angle::FormatID::R16G16B16A16_USCALED; default: UNREACHABLE(); #if !UNREACHABLE_IS_NORETURN return angle::FormatID::NONE; #endif } case VertexAttribType::Int: switch (components) { case 1: if (pureInteger) return angle::FormatID::R32_SINT; if (normalized) return angle::FormatID::R32_SNORM; return angle::FormatID::R32_SSCALED; case 2: if (pureInteger) return angle::FormatID::R32G32_SINT; if (normalized) return angle::FormatID::R32G32_SNORM; return angle::FormatID::R32G32_SSCALED; case 3: if (pureInteger) return angle::FormatID::R32G32B32_SINT; if (normalized) return angle::FormatID::R32G32B32_SNORM; return angle::FormatID::R32G32B32_SSCALED; case 4: if (pureInteger) return angle::FormatID::R32G32B32A32_SINT; if (normalized) return angle::FormatID::R32G32B32A32_SNORM; return angle::FormatID::R32G32B32A32_SSCALED; default: UNREACHABLE(); #if !UNREACHABLE_IS_NORETURN return angle::FormatID::NONE; #endif } case VertexAttribType::UnsignedInt: switch (components) { case 1: if (pureInteger) return angle::FormatID::R32_UINT; if (normalized) return angle::FormatID::R32_UNORM; return angle::FormatID::R32_USCALED; case 2: if (pureInteger) return angle::FormatID::R32G32_UINT; if (normalized) return angle::FormatID::R32G32_UNORM; return angle::FormatID::R32G32_USCALED; case 3: if (pureInteger) return angle::FormatID::R32G32B32_UINT; if (normalized) return angle::FormatID::R32G32B32_UNORM; return angle::FormatID::R32G32B32_USCALED; case 4: if (pureInteger) return angle::FormatID::R32G32B32A32_UINT; if (normalized) return angle::FormatID::R32G32B32A32_UNORM; return angle::FormatID::R32G32B32A32_USCALED; default: UNREACHABLE(); #if !UNREACHABLE_IS_NORETURN return angle::FormatID::NONE; #endif } case VertexAttribType::Float: switch (components) { case 1: return angle::FormatID::R32_FLOAT; case 2: return angle::FormatID::R32G32_FLOAT; case 3: return angle::FormatID::R32G32B32_FLOAT; case 4: return angle::FormatID::R32G32B32A32_FLOAT; default: UNREACHABLE(); #if !UNREACHABLE_IS_NORETURN return angle::FormatID::NONE; #endif } case VertexAttribType::HalfFloat: switch (components) { case 1: return angle::FormatID::R16_FLOAT; case 2: return angle::FormatID::R16G16_FLOAT; case 3: return angle::FormatID::R16G16B16_FLOAT; case 4: return angle::FormatID::R16G16B16A16_FLOAT; default: UNREACHABLE(); #if !UNREACHABLE_IS_NORETURN return angle::FormatID::NONE; #endif } case VertexAttribType::Fixed: switch (components) { case 1: return angle::FormatID::R32_FIXED; case 2: return angle::FormatID::R32G32_FIXED; case 3: return angle::FormatID::R32G32B32_FIXED; case 4: return angle::FormatID::R32G32B32A32_FIXED; default: UNREACHABLE(); #if !UNREACHABLE_IS_NORETURN return angle::FormatID::NONE; #endif } case VertexAttribType::Int2101010: if (pureInteger) return angle::FormatID::R10G10B10A2_SINT; if (normalized) return angle::FormatID::R10G10B10A2_SNORM; return angle::FormatID::R10G10B10A2_SSCALED; case VertexAttribType::UnsignedInt2101010: if (pureInteger) return angle::FormatID::R10G10B10A2_UINT; if (normalized) return angle::FormatID::R10G10B10A2_UNORM; return angle::FormatID::R10G10B10A2_USCALED; default: UNREACHABLE(); #if !UNREACHABLE_IS_NORETURN return angle::FormatID::NONE; #endif } } angle::FormatID GetVertexFormatID(const VertexAttribute &attrib, VertexAttribType currentValueType) { if (!attrib.enabled) { return GetVertexFormatID(currentValueType, GL_FALSE, 4, (currentValueType != VertexAttribType::Float)); } return GetVertexFormatID(attrib); } const VertexFormat &GetVertexFormatFromID(angle::FormatID vertexFormatID) { switch (vertexFormatID) { case angle::FormatID::R8_SSCALED: { static const VertexFormat format(GL_BYTE, GL_FALSE, 1, false); return format; } case angle::FormatID::R8_SNORM: { static const VertexFormat format(GL_BYTE, GL_TRUE, 1, false); return format; } case angle::FormatID::R8G8_SSCALED: { static const VertexFormat format(GL_BYTE, GL_FALSE, 2, false); return format; } case angle::FormatID::R8G8_SNORM: { static const VertexFormat format(GL_BYTE, GL_TRUE, 2, false); return format; } case angle::FormatID::R8G8B8_SSCALED: { static const VertexFormat format(GL_BYTE, GL_FALSE, 3, false); return format; } case angle::FormatID::R8G8B8_SNORM: { static const VertexFormat format(GL_BYTE, GL_TRUE, 3, false); return format; } case angle::FormatID::R8G8B8A8_SSCALED: { static const VertexFormat format(GL_BYTE, GL_FALSE, 4, false); return format; } case angle::FormatID::R8G8B8A8_SNORM: { static const VertexFormat format(GL_BYTE, GL_TRUE, 4, false); return format; } case angle::FormatID::R8_USCALED: { static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 1, false); return format; } case angle::FormatID::R8_UNORM: { static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 1, false); return format; } case angle::FormatID::R8G8_USCALED: { static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 2, false); return format; } case angle::FormatID::R8G8_UNORM: { static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 2, false); return format; } case angle::FormatID::R8G8B8_USCALED: { static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 3, false); return format; } case angle::FormatID::R8G8B8_UNORM: { static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 3, false); return format; } case angle::FormatID::R8G8B8A8_USCALED: { static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 4, false); return format; } case angle::FormatID::R8G8B8A8_UNORM: { static const VertexFormat format(GL_UNSIGNED_BYTE, GL_TRUE, 4, false); return format; } case angle::FormatID::R16_SSCALED: { static const VertexFormat format(GL_SHORT, GL_FALSE, 1, false); return format; } case angle::FormatID::R16_SNORM: { static const VertexFormat format(GL_SHORT, GL_TRUE, 1, false); return format; } case angle::FormatID::R16G16_SSCALED: { static const VertexFormat format(GL_SHORT, GL_FALSE, 2, false); return format; } case angle::FormatID::R16G16_SNORM: { static const VertexFormat format(GL_SHORT, GL_TRUE, 2, false); return format; } case angle::FormatID::R16G16B16_SSCALED: { static const VertexFormat format(GL_SHORT, GL_FALSE, 3, false); return format; } case angle::FormatID::R16G16B16_SNORM: { static const VertexFormat format(GL_SHORT, GL_TRUE, 3, false); return format; } case angle::FormatID::R16G16B16A16_SSCALED: { static const VertexFormat format(GL_SHORT, GL_FALSE, 4, false); return format; } case angle::FormatID::R16G16B16A16_SNORM: { static const VertexFormat format(GL_SHORT, GL_TRUE, 4, false); return format; } case angle::FormatID::R16_USCALED: { static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 1, false); return format; } case angle::FormatID::R16_UNORM: { static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 1, false); return format; } case angle::FormatID::R16G16_USCALED: { static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 2, false); return format; } case angle::FormatID::R16G16_UNORM: { static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 2, false); return format; } case angle::FormatID::R16G16B16_USCALED: { static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 3, false); return format; } case angle::FormatID::R16G16B16_UNORM: { static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 3, false); return format; } case angle::FormatID::R16G16B16A16_USCALED: { static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 4, false); return format; } case angle::FormatID::R16G16B16A16_UNORM: { static const VertexFormat format(GL_UNSIGNED_SHORT, GL_TRUE, 4, false); return format; } case angle::FormatID::R32_SSCALED: { static const VertexFormat format(GL_INT, GL_FALSE, 1, false); return format; } case angle::FormatID::R32_SNORM: { static const VertexFormat format(GL_INT, GL_TRUE, 1, false); return format; } case angle::FormatID::R32G32_SSCALED: { static const VertexFormat format(GL_INT, GL_FALSE, 2, false); return format; } case angle::FormatID::R32G32_SNORM: { static const VertexFormat format(GL_INT, GL_TRUE, 2, false); return format; } case angle::FormatID::R32G32B32_SSCALED: { static const VertexFormat format(GL_INT, GL_FALSE, 3, false); return format; } case angle::FormatID::R32G32B32_SNORM: { static const VertexFormat format(GL_INT, GL_TRUE, 3, false); return format; } case angle::FormatID::R32G32B32A32_SSCALED: { static const VertexFormat format(GL_INT, GL_FALSE, 4, false); return format; } case angle::FormatID::R32G32B32A32_SNORM: { static const VertexFormat format(GL_INT, GL_TRUE, 4, false); return format; } case angle::FormatID::R32_USCALED: { static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 1, false); return format; } case angle::FormatID::R32_UNORM: { static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 1, false); return format; } case angle::FormatID::R32G32_USCALED: { static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 2, false); return format; } case angle::FormatID::R32G32_UNORM: { static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 2, false); return format; } case angle::FormatID::R32G32B32_USCALED: { static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 3, false); return format; } case angle::FormatID::R32G32B32_UNORM: { static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 3, false); return format; } case angle::FormatID::R32G32B32A32_USCALED: { static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 4, false); return format; } case angle::FormatID::R32G32B32A32_UNORM: { static const VertexFormat format(GL_UNSIGNED_INT, GL_TRUE, 4, false); return format; } case angle::FormatID::R8_SINT: { static const VertexFormat format(GL_BYTE, GL_FALSE, 1, true); return format; } case angle::FormatID::R8G8_SINT: { static const VertexFormat format(GL_BYTE, GL_FALSE, 2, true); return format; } case angle::FormatID::R8G8B8_SINT: { static const VertexFormat format(GL_BYTE, GL_FALSE, 3, true); return format; } case angle::FormatID::R8G8B8A8_SINT: { static const VertexFormat format(GL_BYTE, GL_FALSE, 4, true); return format; } case angle::FormatID::R8_UINT: { static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 1, true); return format; } case angle::FormatID::R8G8_UINT: { static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 2, true); return format; } case angle::FormatID::R8G8B8_UINT: { static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 3, true); return format; } case angle::FormatID::R8G8B8A8_UINT: { static const VertexFormat format(GL_UNSIGNED_BYTE, GL_FALSE, 4, true); return format; } case angle::FormatID::R16_SINT: { static const VertexFormat format(GL_SHORT, GL_FALSE, 1, true); return format; } case angle::FormatID::R16G16_SINT: { static const VertexFormat format(GL_SHORT, GL_FALSE, 2, true); return format; } case angle::FormatID::R16G16B16_SINT: { static const VertexFormat format(GL_SHORT, GL_FALSE, 3, true); return format; } case angle::FormatID::R16G16B16A16_SINT: { static const VertexFormat format(GL_SHORT, GL_FALSE, 4, true); return format; } case angle::FormatID::R16_UINT: { static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 1, true); return format; } case angle::FormatID::R16G16_UINT: { static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 2, true); return format; } case angle::FormatID::R16G16B16_UINT: { static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 3, true); return format; } case angle::FormatID::R16G16B16A16_UINT: { static const VertexFormat format(GL_UNSIGNED_SHORT, GL_FALSE, 4, true); return format; } case angle::FormatID::R32_SINT: { static const VertexFormat format(GL_INT, GL_FALSE, 1, true); return format; } case angle::FormatID::R32G32_SINT: { static const VertexFormat format(GL_INT, GL_FALSE, 2, true); return format; } case angle::FormatID::R32G32B32_SINT: { static const VertexFormat format(GL_INT, GL_FALSE, 3, true); return format; } case angle::FormatID::R32G32B32A32_SINT: { static const VertexFormat format(GL_INT, GL_FALSE, 4, true); return format; } case angle::FormatID::R32_UINT: { static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 1, true); return format; } case angle::FormatID::R32G32_UINT: { static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 2, true); return format; } case angle::FormatID::R32G32B32_UINT: { static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 3, true); return format; } case angle::FormatID::R32G32B32A32_UINT: { static const VertexFormat format(GL_UNSIGNED_INT, GL_FALSE, 4, true); return format; } case angle::FormatID::R32_FIXED: { static const VertexFormat format(GL_FIXED, GL_FALSE, 1, false); return format; } case angle::FormatID::R32G32_FIXED: { static const VertexFormat format(GL_FIXED, GL_FALSE, 2, false); return format; } case angle::FormatID::R32G32B32_FIXED: { static const VertexFormat format(GL_FIXED, GL_FALSE, 3, false); return format; } case angle::FormatID::R32G32B32A32_FIXED: { static const VertexFormat format(GL_FIXED, GL_FALSE, 4, false); return format; } case angle::FormatID::R16_FLOAT: { static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 1, false); return format; } case angle::FormatID::R16G16_FLOAT: { static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 2, false); return format; } case angle::FormatID::R16G16B16_FLOAT: { static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 3, false); return format; } case angle::FormatID::R16G16B16A16_FLOAT: { static const VertexFormat format(GL_HALF_FLOAT, GL_FALSE, 4, false); return format; } case angle::FormatID::R32_FLOAT: { static const VertexFormat format(GL_FLOAT, GL_FALSE, 1, false); return format; } case angle::FormatID::R32G32_FLOAT: { static const VertexFormat format(GL_FLOAT, GL_FALSE, 2, false); return format; } case angle::FormatID::R32G32B32_FLOAT: { static const VertexFormat format(GL_FLOAT, GL_FALSE, 3, false); return format; } case angle::FormatID::R32G32B32A32_FLOAT: { static const VertexFormat format(GL_FLOAT, GL_FALSE, 4, false); return format; } case angle::FormatID::R10G10B10A2_SSCALED: { static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_FALSE, 4, false); return format; } case angle::FormatID::R10G10B10A2_USCALED: { static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_FALSE, 4, false); return format; } case angle::FormatID::R10G10B10A2_SNORM: { static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_TRUE, 4, false); return format; } case angle::FormatID::R10G10B10A2_UNORM: { static const VertexFormat format(GL_UNSIGNED_INT_2_10_10_10_REV, GL_TRUE, 4, false); return format; } case angle::FormatID::R10G10B10A2_SINT: { static const VertexFormat format(GL_INT_2_10_10_10_REV, GL_FALSE, 4, true); return format; } case angle::FormatID::R10G10B10A2_UINT: { 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; } } } size_t GetVertexFormatSize(angle::FormatID vertexFormatID) { switch (vertexFormatID) { case angle::FormatID::R8_SSCALED: case angle::FormatID::R8_SNORM: case angle::FormatID::R8_USCALED: case angle::FormatID::R8_UNORM: case angle::FormatID::R8_SINT: case angle::FormatID::R8_UINT: return 1; case angle::FormatID::R8G8_SSCALED: case angle::FormatID::R8G8_SNORM: case angle::FormatID::R8G8_USCALED: case angle::FormatID::R8G8_UNORM: case angle::FormatID::R8G8_SINT: case angle::FormatID::R8G8_UINT: case angle::FormatID::R16_SSCALED: case angle::FormatID::R16_SNORM: case angle::FormatID::R16_USCALED: case angle::FormatID::R16_UNORM: case angle::FormatID::R16_SINT: case angle::FormatID::R16_UINT: case angle::FormatID::R16_FLOAT: return 2; case angle::FormatID::R8G8B8_SSCALED: case angle::FormatID::R8G8B8_SNORM: case angle::FormatID::R8G8B8_USCALED: case angle::FormatID::R8G8B8_UNORM: case angle::FormatID::R8G8B8_SINT: case angle::FormatID::R8G8B8_UINT: return 3; case angle::FormatID::R8G8B8A8_SSCALED: case angle::FormatID::R8G8B8A8_SNORM: case angle::FormatID::R8G8B8A8_USCALED: case angle::FormatID::R8G8B8A8_UNORM: case angle::FormatID::R8G8B8A8_SINT: case angle::FormatID::R8G8B8A8_UINT: case angle::FormatID::R16G16_SSCALED: case angle::FormatID::R16G16_SNORM: case angle::FormatID::R16G16_USCALED: case angle::FormatID::R16G16_UNORM: case angle::FormatID::R16G16_SINT: case angle::FormatID::R16G16_UINT: case angle::FormatID::R32_SSCALED: case angle::FormatID::R32_SNORM: case angle::FormatID::R32_USCALED: case angle::FormatID::R32_UNORM: case angle::FormatID::R32_SINT: case angle::FormatID::R32_UINT: case angle::FormatID::R16G16_FLOAT: case angle::FormatID::R32_FIXED: case angle::FormatID::R32_FLOAT: case angle::FormatID::R10G10B10A2_SSCALED: case angle::FormatID::R10G10B10A2_USCALED: case angle::FormatID::R10G10B10A2_SNORM: case angle::FormatID::R10G10B10A2_UNORM: case angle::FormatID::R10G10B10A2_SINT: case angle::FormatID::R10G10B10A2_UINT: return 4; case angle::FormatID::R16G16B16_SSCALED: case angle::FormatID::R16G16B16_SNORM: case angle::FormatID::R16G16B16_USCALED: case angle::FormatID::R16G16B16_UNORM: case angle::FormatID::R16G16B16_SINT: case angle::FormatID::R16G16B16_UINT: case angle::FormatID::R16G16B16_FLOAT: return 6; case angle::FormatID::R16G16B16A16_SSCALED: case angle::FormatID::R16G16B16A16_SNORM: case angle::FormatID::R16G16B16A16_USCALED: case angle::FormatID::R16G16B16A16_UNORM: case angle::FormatID::R16G16B16A16_SINT: case angle::FormatID::R16G16B16A16_UINT: case angle::FormatID::R32G32_SSCALED: case angle::FormatID::R32G32_SNORM: case angle::FormatID::R32G32_USCALED: case angle::FormatID::R32G32_UNORM: case angle::FormatID::R32G32_SINT: case angle::FormatID::R32G32_UINT: case angle::FormatID::R16G16B16A16_FLOAT: case angle::FormatID::R32G32_FIXED: case angle::FormatID::R32G32_FLOAT: return 8; case angle::FormatID::R32G32B32_SSCALED: case angle::FormatID::R32G32B32_SNORM: case angle::FormatID::R32G32B32_USCALED: case angle::FormatID::R32G32B32_UNORM: case angle::FormatID::R32G32B32_SINT: case angle::FormatID::R32G32B32_UINT: case angle::FormatID::R32G32B32_FIXED: case angle::FormatID::R32G32B32_FLOAT: return 12; case angle::FormatID::R32G32B32A32_SSCALED: case angle::FormatID::R32G32B32A32_SNORM: case angle::FormatID::R32G32B32A32_USCALED: case angle::FormatID::R32G32B32A32_UNORM: case angle::FormatID::R32G32B32A32_SINT: case angle::FormatID::R32G32B32A32_UINT: case angle::FormatID::R32G32B32A32_FIXED: case angle::FormatID::R32G32B32A32_FLOAT: return 16; case angle::FormatID::NONE: default: UNREACHABLE(); #if !UNREACHABLE_IS_NORETURN return 0; #endif } } bool ValidES3InternalFormat(GLenum internalFormat) { const InternalFormatInfoMap &formatMap = GetInternalFormatMap(); return internalFormat != GL_NONE && formatMap.find(internalFormat) != formatMap.end(); } 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); } } // namespace gl