| // | |
| // Copyright (c) 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. | |
| // | |
| #include "libANGLE/Caps.h" | |
| #include "common/angleutils.h" | |
| #include "common/debug.h" | |
| #include "libANGLE/formatutils.h" | |
| #include "angle_gl.h" | |
| #include <algorithm> | |
| #include <sstream> | |
| static void InsertExtensionString(const std::string &extension, | |
| bool supported, | |
| std::vector<std::string> *extensionVector) | |
| { | |
| if (supported) | |
| { | |
| extensionVector->push_back(extension); | |
| } | |
| } | |
| namespace gl | |
| { | |
| TextureCaps::TextureCaps() | |
| : texturable(false), | |
| filterable(false), | |
| textureAttachment(false), | |
| renderbuffer(false), | |
| sampleCounts() | |
| { | |
| } | |
| TextureCaps::TextureCaps(const TextureCaps &other) = default; | |
| TextureCaps::~TextureCaps() = default; | |
| GLuint TextureCaps::getMaxSamples() const | |
| { | |
| return !sampleCounts.empty() ? *sampleCounts.rbegin() : 0; | |
| } | |
| GLuint TextureCaps::getNearestSamples(GLuint requestedSamples) const | |
| { | |
| if (requestedSamples == 0) | |
| { | |
| return 0; | |
| } | |
| for (SupportedSampleSet::const_iterator i = sampleCounts.begin(); i != sampleCounts.end(); i++) | |
| { | |
| GLuint samples = *i; | |
| if (samples >= requestedSamples) | |
| { | |
| return samples; | |
| } | |
| } | |
| return 0; | |
| } | |
| TextureCaps GenerateMinimumTextureCaps(GLenum sizedInternalFormat, | |
| const Version &clientVersion, | |
| const Extensions &extensions) | |
| { | |
| TextureCaps caps; | |
| const InternalFormat &internalFormatInfo = GetSizedInternalFormatInfo(sizedInternalFormat); | |
| caps.texturable = internalFormatInfo.textureSupport(clientVersion, extensions); | |
| caps.filterable = internalFormatInfo.filterSupport(clientVersion, extensions); | |
| caps.textureAttachment = internalFormatInfo.textureAttachmentSupport(clientVersion, extensions); | |
| caps.renderbuffer = internalFormatInfo.renderbufferSupport(clientVersion, extensions); | |
| caps.sampleCounts.insert(0); | |
| if (internalFormatInfo.isRequiredRenderbufferFormat(clientVersion)) | |
| { | |
| if ((clientVersion.major >= 3 && clientVersion.minor >= 1) || | |
| (clientVersion.major >= 3 && internalFormatInfo.componentType != GL_UNSIGNED_INT && | |
| internalFormatInfo.componentType != GL_INT)) | |
| { | |
| caps.sampleCounts.insert(4); | |
| } | |
| } | |
| return caps; | |
| } | |
| TextureCapsMap::TextureCapsMap() | |
| { | |
| } | |
| TextureCapsMap::~TextureCapsMap() | |
| { | |
| } | |
| void TextureCapsMap::insert(GLenum internalFormat, const TextureCaps &caps) | |
| { | |
| angle::FormatID formatID = angle::Format::InternalFormatToID(internalFormat); | |
| get(formatID) = caps; | |
| } | |
| void TextureCapsMap::clear() | |
| { | |
| mFormatData.fill(TextureCaps()); | |
| } | |
| const TextureCaps &TextureCapsMap::get(GLenum internalFormat) const | |
| { | |
| angle::FormatID formatID = angle::Format::InternalFormatToID(internalFormat); | |
| return get(formatID); | |
| } | |
| const TextureCaps &TextureCapsMap::get(angle::FormatID formatID) const | |
| { | |
| return mFormatData[static_cast<size_t>(formatID)]; | |
| } | |
| TextureCaps &TextureCapsMap::get(angle::FormatID formatID) | |
| { | |
| return mFormatData[static_cast<size_t>(formatID)]; | |
| } | |
| void TextureCapsMap::set(angle::FormatID formatID, const TextureCaps &caps) | |
| { | |
| get(formatID) = caps; | |
| } | |
| void InitMinimumTextureCapsMap(const Version &clientVersion, | |
| const Extensions &extensions, | |
| TextureCapsMap *capsMap) | |
| { | |
| for (GLenum internalFormat : GetAllSizedInternalFormats()) | |
| { | |
| capsMap->insert(internalFormat, | |
| GenerateMinimumTextureCaps(internalFormat, clientVersion, extensions)); | |
| } | |
| } | |
| Extensions::Extensions() | |
| : elementIndexUint(false), | |
| packedDepthStencil(false), | |
| getProgramBinary(false), | |
| rgb8rgba8(false), | |
| textureFormatBGRA8888(false), | |
| readFormatBGRA(false), | |
| pixelBufferObject(false), | |
| mapBuffer(false), | |
| mapBufferRange(false), | |
| colorBufferHalfFloat(false), | |
| textureHalfFloat(false), | |
| textureHalfFloatLinear(false), | |
| textureFloat(false), | |
| textureFloatLinear(false), | |
| textureRG(false), | |
| textureCompressionDXT1(false), | |
| textureCompressionDXT3(false), | |
| textureCompressionDXT5(false), | |
| textureCompressionS3TCsRGB(false), | |
| textureCompressionASTCHDR(false), | |
| textureCompressionASTCLDR(false), | |
| compressedETC1RGB8Texture(false), | |
| compressedETC2RGB8Texture(false), | |
| compressedETC2sRGB8Texture(false), | |
| compressedETC2PunchthroughARGB8Texture(false), | |
| compressedETC2PunchthroughAsRGB8AlphaTexture(false), | |
| compressedETC2RGBA8Texture(false), | |
| compressedETC2sRGB8Alpha8Texture(false), | |
| compressedEACR11UnsignedTexture(false), | |
| compressedEACR11SignedTexture(false), | |
| compressedEACRG11UnsignedTexture(false), | |
| compressedEACRG11SignedTexture(false), | |
| sRGB(false), | |
| depthTextures(false), | |
| depth32(false), | |
| textureStorage(false), | |
| textureNPOT(false), | |
| drawBuffers(false), | |
| textureFilterAnisotropic(false), | |
| maxTextureAnisotropy(0.0f), | |
| occlusionQueryBoolean(false), | |
| fence(false), | |
| disjointTimerQuery(false), | |
| queryCounterBitsTimeElapsed(0), | |
| queryCounterBitsTimestamp(0), | |
| robustness(false), | |
| robustBufferAccessBehavior(false), | |
| blendMinMax(false), | |
| framebufferBlit(false), | |
| framebufferMultisample(false), | |
| instancedArrays(false), | |
| packReverseRowOrder(false), | |
| standardDerivatives(false), | |
| shaderTextureLOD(false), | |
| fragDepth(false), | |
| multiview(false), | |
| maxViews(1u), | |
| textureUsage(false), | |
| translatedShaderSource(false), | |
| fboRenderMipmap(false), | |
| discardFramebuffer(false), | |
| debugMarker(false), | |
| eglImage(false), | |
| eglImageExternal(false), | |
| eglImageExternalEssl3(false), | |
| eglStreamConsumerExternal(false), | |
| unpackSubimage(false), | |
| packSubimage(false), | |
| vertexArrayObject(false), | |
| debug(false), | |
| maxDebugMessageLength(0), | |
| maxDebugLoggedMessages(0), | |
| maxDebugGroupStackDepth(0), | |
| maxLabelLength(0), | |
| noError(false), | |
| lossyETCDecode(false), | |
| bindUniformLocation(false), | |
| syncQuery(false), | |
| copyTexture(false), | |
| copyCompressedTexture(false), | |
| webglCompatibility(false), | |
| requestExtension(false), | |
| bindGeneratesResource(false), | |
| robustClientMemory(false), | |
| textureSRGBDecode(false), | |
| sRGBWriteControl(false), | |
| colorBufferFloatRGB(false), | |
| colorBufferFloatRGBA(false), | |
| colorBufferFloat(false), | |
| multisampleCompatibility(false), | |
| framebufferMixedSamples(false), | |
| textureNorm16(false), | |
| pathRendering(false), | |
| surfacelessContext(false), | |
| clientArrays(false), | |
| robustResourceInitialization(false), | |
| programCacheControl(false), | |
| textureRectangle(false), | |
| geometryShader(false), | |
| pointSizeArray(false), | |
| textureCubeMap(false), | |
| pointSprite(false), | |
| drawTexture(false), | |
| explicitContextGles1(false), | |
| explicitContext(false), | |
| parallelShaderCompile(false), | |
| textureStorageMultisample2DArray(false), | |
| multiviewMultisample(false), | |
| blendFuncExtended(false), | |
| maxDualSourceDrawBuffers(0) | |
| { | |
| } | |
| std::vector<std::string> Extensions::getStrings() const | |
| { | |
| std::vector<std::string> extensionStrings; | |
| for (const auto &extensionInfo : GetExtensionInfoMap()) | |
| { | |
| if (this->*(extensionInfo.second.ExtensionsMember)) | |
| { | |
| extensionStrings.push_back(extensionInfo.first); | |
| } | |
| } | |
| return extensionStrings; | |
| } | |
| Limitations::Limitations() | |
| : noFrontFacingSupport(false), | |
| noSampleAlphaToCoverageSupport(false), | |
| attributeZeroRequiresZeroDivisorInEXT(false), | |
| noSeparateStencilRefsAndMasks(false), | |
| shadersRequireIndexedLoopValidation(false), | |
| noSimultaneousConstantColorAndAlphaBlendFunc(false), | |
| noFlexibleVaryingPacking(false) | |
| { | |
| } | |
| static bool GetFormatSupportBase(const TextureCapsMap &textureCaps, | |
| const GLenum *requiredFormats, | |
| size_t requiredFormatsSize, | |
| bool requiresTexturing, | |
| bool requiresFiltering, | |
| bool requiresAttachingTexture, | |
| bool requiresRenderbufferSupport) | |
| { | |
| for (size_t i = 0; i < requiredFormatsSize; i++) | |
| { | |
| const TextureCaps &cap = textureCaps.get(requiredFormats[i]); | |
| if (requiresTexturing && !cap.texturable) | |
| { | |
| return false; | |
| } | |
| if (requiresFiltering && !cap.filterable) | |
| { | |
| return false; | |
| } | |
| if (requiresAttachingTexture && !cap.textureAttachment) | |
| { | |
| return false; | |
| } | |
| if (requiresRenderbufferSupport && !cap.renderbuffer) | |
| { | |
| return false; | |
| } | |
| } | |
| return true; | |
| } | |
| template <size_t N> | |
| static bool GetFormatSupport(const TextureCapsMap &textureCaps, | |
| const GLenum (&requiredFormats)[N], | |
| bool requiresTexturing, | |
| bool requiresFiltering, | |
| bool requiresAttachingTexture, | |
| bool requiresRenderbufferSupport) | |
| { | |
| return GetFormatSupportBase(textureCaps, requiredFormats, N, requiresTexturing, | |
| requiresFiltering, requiresAttachingTexture, | |
| requiresRenderbufferSupport); | |
| } | |
| // Check for GL_OES_packed_depth_stencil | |
| static bool DeterminePackedDepthStencilSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_DEPTH24_STENCIL8, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, false, false, true, true); | |
| } | |
| // Checks for GL_OES_rgb8_rgba8 support | |
| static bool DetermineRGB8AndRGBA8TextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_RGB8, GL_RGBA8, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, true, true); | |
| } | |
| // Checks for GL_EXT_texture_format_BGRA8888 support | |
| static bool DetermineBGRA8TextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_BGRA8_EXT, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, true, true); | |
| } | |
| // Checks for GL_OES_color_buffer_half_float support | |
| static bool DetermineColorBufferHalfFloatSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_RGBA16F, GL_RGB16F, GL_RG16F, GL_R16F, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true); | |
| } | |
| // Checks for GL_OES_texture_half_float support | |
| static bool DetermineHalfFloatTextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_RGB16F, GL_RGBA16F, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, false, false, false); | |
| } | |
| // Checks for GL_OES_texture_half_float_linear support | |
| static bool DetermineHalfFloatTextureFilteringSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_RGB16F, GL_RGBA16F, | |
| }; | |
| return DetermineHalfFloatTextureSupport(textureCaps) && | |
| GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Checks for GL_OES_texture_float support | |
| static bool DetermineFloatTextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_RGB32F, GL_RGBA32F, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, false, false, false); | |
| } | |
| // Checks for GL_OES_texture_float_linear support | |
| static bool DetermineFloatTextureFilteringSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_RGB32F, GL_RGBA32F, | |
| }; | |
| return DetermineFloatTextureSupport(textureCaps) && | |
| GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Checks for GL_EXT_texture_rg support | |
| static bool DetermineRGHalfFloatTextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_R16F, GL_RG16F, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| static bool DetermineRGFloatTextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_R32F, GL_RG32F, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| static bool DetermineRGTextureSupport(const TextureCapsMap &textureCaps, | |
| bool checkHalfFloatFormats, | |
| bool checkFloatFormats) | |
| { | |
| if (checkHalfFloatFormats && !DetermineRGHalfFloatTextureSupport(textureCaps)) | |
| { | |
| return false; | |
| } | |
| if (checkFloatFormats && !DetermineRGFloatTextureSupport(textureCaps)) | |
| { | |
| return false; | |
| } | |
| constexpr GLenum requiredFormats[] = { | |
| GL_R8, GL_RG8, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Check for GL_EXT_texture_compression_dxt1 | |
| static bool DetermineDXT1TextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Check for GL_ANGLE_texture_compression_dxt3 | |
| static bool DetermineDXT3TextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Check for GL_ANGLE_texture_compression_dxt5 | |
| static bool DetermineDXT5TextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Check for GL_EXT_texture_compression_s3tc_srgb | |
| static bool DetermineS3TCsRGBTextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_COMPRESSED_SRGB_S3TC_DXT1_EXT, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT, | |
| GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT, GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Check for GL_KHR_texture_compression_astc_hdr and GL_KHR_texture_compression_astc_ldr | |
| static bool DetermineASTCTextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_COMPRESSED_RGBA_ASTC_4x4_KHR, GL_COMPRESSED_RGBA_ASTC_5x4_KHR, | |
| GL_COMPRESSED_RGBA_ASTC_5x5_KHR, GL_COMPRESSED_RGBA_ASTC_6x5_KHR, | |
| GL_COMPRESSED_RGBA_ASTC_6x6_KHR, GL_COMPRESSED_RGBA_ASTC_8x5_KHR, | |
| GL_COMPRESSED_RGBA_ASTC_8x6_KHR, GL_COMPRESSED_RGBA_ASTC_8x8_KHR, | |
| GL_COMPRESSED_RGBA_ASTC_10x5_KHR, GL_COMPRESSED_RGBA_ASTC_10x6_KHR, | |
| GL_COMPRESSED_RGBA_ASTC_10x8_KHR, GL_COMPRESSED_RGBA_ASTC_10x10_KHR, | |
| GL_COMPRESSED_RGBA_ASTC_12x10_KHR, GL_COMPRESSED_RGBA_ASTC_12x12_KHR, | |
| GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR, | |
| GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR, | |
| GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR, | |
| GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR, | |
| GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR, | |
| GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR, | |
| GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Check for GL_ETC1_RGB8_OES | |
| static bool DetermineETC1RGB8TextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_ETC1_RGB8_OES, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Check for OES_compressed_ETC2_RGB8_texture | |
| static bool DetermineETC2RGB8TextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_COMPRESSED_RGB8_ETC2, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Check for OES_compressed_ETC2_sRGB8_texture | |
| static bool DetermineETC2sRGB8TextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_COMPRESSED_SRGB8_ETC2, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Check for OES_compressed_ETC2_punchthroughA_RGBA8_texture | |
| static bool DetermineETC2PunchthroughARGB8TextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Check for OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture | |
| static bool DetermineETC2PunchthroughAsRGB8AlphaTextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Check for OES_compressed_ETC2_RGBA8_texture | |
| static bool DetermineETC2RGBA8TextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_COMPRESSED_RGBA8_ETC2_EAC, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Check for OES_compressed_ETC2_sRGB8_alpha8_texture | |
| static bool DetermineETC2sRGB8Alpha8TextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Check for OES_compressed_EAC_R11_unsigned_texture | |
| static bool DetermineEACR11UnsignedTextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_COMPRESSED_R11_EAC, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Check for OES_compressed_EAC_R11_signed_texture | |
| static bool DetermineEACR11SignedTextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_COMPRESSED_SIGNED_R11_EAC, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Check for OES_compressed_EAC_RG11_unsigned_texture | |
| static bool DetermineEACRG11UnsignedTextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_COMPRESSED_RG11_EAC, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Check for OES_compressed_EAC_RG11_signed_texture | |
| static bool DetermineEACRG11SignedTextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_COMPRESSED_SIGNED_RG11_EAC, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false); | |
| } | |
| // Check for GL_ANGLE_texture_compression_dxt5 | |
| static bool DetermineSRGBTextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFilterFormats[] = { | |
| GL_SRGB8, GL_SRGB8_ALPHA8, | |
| }; | |
| constexpr GLenum requiredRenderFormats[] = { | |
| GL_SRGB8_ALPHA8, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFilterFormats, true, true, false, false) && | |
| GetFormatSupport(textureCaps, requiredRenderFormats, true, false, true, true); | |
| } | |
| // Check for GL_ANGLE_depth_texture | |
| static bool DetermineDepthTextureSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_DEPTH_COMPONENT16, GL_DEPTH_COMPONENT32_OES, GL_DEPTH24_STENCIL8_OES, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, true, true); | |
| } | |
| // Check for GL_OES_depth32 | |
| static bool DetermineDepth32Support(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_DEPTH_COMPONENT32_OES, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, false, false, true, true); | |
| } | |
| // Check for GL_CHROMIUM_color_buffer_float_rgb | |
| static bool DetermineColorBufferFloatRGBSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_RGB32F, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true); | |
| } | |
| // Check for GL_CHROMIUM_color_buffer_float_rgba | |
| static bool DetermineColorBufferFloatRGBASupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_RGBA32F, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true); | |
| } | |
| // Check for GL_EXT_color_buffer_float | |
| static bool DetermineColorBufferFloatSupport(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFormats[] = { | |
| GL_R16F, GL_RG16F, GL_RGBA16F, GL_R32F, GL_RG32F, GL_RGBA32F, GL_R11F_G11F_B10F, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true); | |
| } | |
| // Check for GL_EXT_texture_norm16 | |
| static bool DetermineTextureNorm16Support(const TextureCapsMap &textureCaps) | |
| { | |
| constexpr GLenum requiredFilterFormats[] = { | |
| GL_R16_EXT, GL_RG16_EXT, GL_RGB16_EXT, GL_RGBA16_EXT, | |
| GL_R16_SNORM_EXT, GL_RG16_SNORM_EXT, GL_RGB16_SNORM_EXT, GL_RGBA16_SNORM_EXT, | |
| }; | |
| constexpr GLenum requiredRenderFormats[] = { | |
| GL_R16_EXT, GL_RG16_EXT, GL_RGBA16_EXT, | |
| }; | |
| return GetFormatSupport(textureCaps, requiredFilterFormats, true, true, false, false) && | |
| GetFormatSupport(textureCaps, requiredRenderFormats, true, false, true, true); | |
| } | |
| void Extensions::setTextureExtensionSupport(const TextureCapsMap &textureCaps) | |
| { | |
| packedDepthStencil = DeterminePackedDepthStencilSupport(textureCaps); | |
| rgb8rgba8 = DetermineRGB8AndRGBA8TextureSupport(textureCaps); | |
| textureFormatBGRA8888 = DetermineBGRA8TextureSupport(textureCaps); | |
| colorBufferHalfFloat = DetermineColorBufferHalfFloatSupport(textureCaps); | |
| textureHalfFloat = DetermineHalfFloatTextureSupport(textureCaps); | |
| textureHalfFloatLinear = DetermineHalfFloatTextureFilteringSupport(textureCaps); | |
| textureFloat = DetermineFloatTextureSupport(textureCaps); | |
| textureFloatLinear = DetermineFloatTextureFilteringSupport(textureCaps); | |
| textureRG = DetermineRGTextureSupport(textureCaps, textureHalfFloat, textureFloat); | |
| textureCompressionDXT1 = DetermineDXT1TextureSupport(textureCaps); | |
| textureCompressionDXT3 = DetermineDXT3TextureSupport(textureCaps); | |
| textureCompressionDXT5 = DetermineDXT5TextureSupport(textureCaps); | |
| textureCompressionS3TCsRGB = DetermineS3TCsRGBTextureSupport(textureCaps); | |
| textureCompressionASTCHDR = DetermineASTCTextureSupport(textureCaps); | |
| textureCompressionASTCLDR = textureCompressionASTCHDR; | |
| compressedETC1RGB8Texture = DetermineETC1RGB8TextureSupport(textureCaps); | |
| compressedETC2RGB8Texture = DetermineETC2RGB8TextureSupport(textureCaps); | |
| compressedETC2sRGB8Texture = DetermineETC2sRGB8TextureSupport(textureCaps); | |
| compressedETC2PunchthroughARGB8Texture = | |
| DetermineETC2PunchthroughARGB8TextureSupport(textureCaps); | |
| compressedETC2PunchthroughAsRGB8AlphaTexture = | |
| DetermineETC2PunchthroughAsRGB8AlphaTextureSupport(textureCaps); | |
| compressedETC2RGBA8Texture = DetermineETC2RGBA8TextureSupport(textureCaps); | |
| compressedETC2sRGB8Alpha8Texture = DetermineETC2sRGB8Alpha8TextureSupport(textureCaps); | |
| compressedEACR11UnsignedTexture = DetermineEACR11UnsignedTextureSupport(textureCaps); | |
| compressedEACR11SignedTexture = DetermineEACR11SignedTextureSupport(textureCaps); | |
| compressedEACRG11UnsignedTexture = DetermineEACRG11UnsignedTextureSupport(textureCaps); | |
| compressedEACRG11SignedTexture = DetermineEACRG11SignedTextureSupport(textureCaps); | |
| sRGB = DetermineSRGBTextureSupport(textureCaps); | |
| depthTextures = DetermineDepthTextureSupport(textureCaps); | |
| depth32 = DetermineDepth32Support(textureCaps); | |
| colorBufferFloatRGB = DetermineColorBufferFloatRGBSupport(textureCaps); | |
| colorBufferFloatRGBA = DetermineColorBufferFloatRGBASupport(textureCaps); | |
| colorBufferFloat = DetermineColorBufferFloatSupport(textureCaps); | |
| textureNorm16 = DetermineTextureNorm16Support(textureCaps); | |
| } | |
| const ExtensionInfoMap &GetExtensionInfoMap() | |
| { | |
| auto buildExtensionInfoMap = []() { | |
| auto enableableExtension = [](ExtensionInfo::ExtensionBool member) { | |
| ExtensionInfo info; | |
| info.Requestable = true; | |
| info.ExtensionsMember = member; | |
| return info; | |
| }; | |
| auto esOnlyExtension = [](ExtensionInfo::ExtensionBool member) { | |
| ExtensionInfo info; | |
| info.ExtensionsMember = member; | |
| return info; | |
| }; | |
| // clang-format off | |
| ExtensionInfoMap map; | |
| map["GL_OES_element_index_uint"] = enableableExtension(&Extensions::elementIndexUint); | |
| map["GL_OES_packed_depth_stencil"] = esOnlyExtension(&Extensions::packedDepthStencil); | |
| map["GL_OES_get_program_binary"] = enableableExtension(&Extensions::getProgramBinary); | |
| map["GL_OES_rgb8_rgba8"] = enableableExtension(&Extensions::rgb8rgba8); | |
| map["GL_EXT_texture_format_BGRA8888"] = enableableExtension(&Extensions::textureFormatBGRA8888); | |
| map["GL_EXT_read_format_bgra"] = esOnlyExtension(&Extensions::readFormatBGRA); | |
| map["GL_NV_pixel_buffer_object"] = enableableExtension(&Extensions::pixelBufferObject); | |
| map["GL_OES_mapbuffer"] = enableableExtension(&Extensions::mapBuffer); | |
| map["GL_EXT_map_buffer_range"] = enableableExtension(&Extensions::mapBufferRange); | |
| map["GL_EXT_color_buffer_half_float"] = enableableExtension(&Extensions::colorBufferHalfFloat); | |
| map["GL_OES_texture_half_float"] = enableableExtension(&Extensions::textureHalfFloat); | |
| map["GL_OES_texture_half_float_linear"] = enableableExtension(&Extensions::textureHalfFloatLinear); | |
| map["GL_OES_texture_float"] = enableableExtension(&Extensions::textureFloat); | |
| map["GL_OES_texture_float_linear"] = enableableExtension(&Extensions::textureFloatLinear); | |
| map["GL_EXT_texture_rg"] = enableableExtension(&Extensions::textureRG); | |
| map["GL_EXT_texture_compression_dxt1"] = enableableExtension(&Extensions::textureCompressionDXT1); | |
| map["GL_ANGLE_texture_compression_dxt3"] = enableableExtension(&Extensions::textureCompressionDXT3); | |
| map["GL_ANGLE_texture_compression_dxt5"] = enableableExtension(&Extensions::textureCompressionDXT5); | |
| map["GL_EXT_texture_compression_s3tc_srgb"] = enableableExtension(&Extensions::textureCompressionS3TCsRGB); | |
| map["GL_KHR_texture_compression_astc_hdr"] = enableableExtension(&Extensions::textureCompressionASTCHDR); | |
| map["GL_KHR_texture_compression_astc_ldr"] = enableableExtension(&Extensions::textureCompressionASTCLDR); | |
| map["GL_OES_compressed_ETC1_RGB8_texture"] = enableableExtension(&Extensions::compressedETC1RGB8Texture); | |
| map["OES_compressed_ETC2_RGB8_texture"] = enableableExtension(&Extensions::compressedETC2RGB8Texture); | |
| map["OES_compressed_ETC2_sRGB8_texture"] = enableableExtension(&Extensions::compressedETC2sRGB8Texture); | |
| map["OES_compressed_ETC2_punchthroughA_RGBA8_texture"] = enableableExtension(&Extensions::compressedETC2PunchthroughARGB8Texture); | |
| map["OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture"] = enableableExtension(&Extensions::compressedETC2PunchthroughAsRGB8AlphaTexture); | |
| map["OES_compressed_ETC2_RGBA8_texture"] = enableableExtension(&Extensions::compressedETC2RGBA8Texture); | |
| map["OES_compressed_ETC2_sRGB8_alpha8_texture"] = enableableExtension(&Extensions::compressedETC2sRGB8Alpha8Texture); | |
| map["OES_compressed_EAC_R11_unsigned_texture"] = enableableExtension(&Extensions::compressedEACR11UnsignedTexture); | |
| map["OES_compressed_EAC_R11_signed_texture"] = enableableExtension(&Extensions::compressedEACR11SignedTexture); | |
| map["OES_compressed_EAC_RG11_unsigned_texture"] = enableableExtension(&Extensions::compressedEACRG11UnsignedTexture); | |
| map["OES_compressed_EAC_RG11_signed_texture"] = enableableExtension(&Extensions::compressedEACRG11SignedTexture); | |
| map["GL_EXT_sRGB"] = enableableExtension(&Extensions::sRGB); | |
| map["GL_ANGLE_depth_texture"] = esOnlyExtension(&Extensions::depthTextures); | |
| map["GL_OES_depth32"] = esOnlyExtension(&Extensions::depth32); | |
| map["GL_EXT_texture_storage"] = enableableExtension(&Extensions::textureStorage); | |
| map["GL_OES_texture_npot"] = enableableExtension(&Extensions::textureNPOT); | |
| map["GL_EXT_draw_buffers"] = enableableExtension(&Extensions::drawBuffers); | |
| map["GL_EXT_texture_filter_anisotropic"] = enableableExtension(&Extensions::textureFilterAnisotropic); | |
| map["GL_EXT_occlusion_query_boolean"] = enableableExtension(&Extensions::occlusionQueryBoolean); | |
| map["GL_NV_fence"] = esOnlyExtension(&Extensions::fence); | |
| map["GL_EXT_disjoint_timer_query"] = enableableExtension(&Extensions::disjointTimerQuery); | |
| map["GL_EXT_robustness"] = esOnlyExtension(&Extensions::robustness); | |
| map["GL_KHR_robust_buffer_access_behavior"] = esOnlyExtension(&Extensions::robustBufferAccessBehavior); | |
| map["GL_EXT_blend_minmax"] = enableableExtension(&Extensions::blendMinMax); | |
| map["GL_ANGLE_framebuffer_blit"] = enableableExtension(&Extensions::framebufferBlit); | |
| map["GL_ANGLE_framebuffer_multisample"] = enableableExtension(&Extensions::framebufferMultisample); | |
| map["GL_ANGLE_instanced_arrays"] = enableableExtension(&Extensions::instancedArrays); | |
| map["GL_ANGLE_pack_reverse_row_order"] = enableableExtension(&Extensions::packReverseRowOrder); | |
| map["GL_OES_standard_derivatives"] = enableableExtension(&Extensions::standardDerivatives); | |
| map["GL_EXT_shader_texture_lod"] = enableableExtension(&Extensions::shaderTextureLOD); | |
| map["GL_EXT_frag_depth"] = enableableExtension(&Extensions::fragDepth); | |
| map["GL_ANGLE_multiview"] = enableableExtension(&Extensions::multiview); | |
| map["GL_ANGLE_texture_usage"] = enableableExtension(&Extensions::textureUsage); | |
| map["GL_ANGLE_translated_shader_source"] = esOnlyExtension(&Extensions::translatedShaderSource); | |
| map["GL_OES_fbo_render_mipmap"] = enableableExtension(&Extensions::fboRenderMipmap); | |
| map["GL_EXT_discard_framebuffer"] = esOnlyExtension(&Extensions::discardFramebuffer); | |
| map["GL_EXT_debug_marker"] = esOnlyExtension(&Extensions::debugMarker); | |
| map["GL_OES_EGL_image"] = enableableExtension(&Extensions::eglImage); | |
| map["GL_OES_EGL_image_external"] = enableableExtension(&Extensions::eglImageExternal); | |
| map["GL_OES_EGL_image_external_essl3"] = enableableExtension(&Extensions::eglImageExternalEssl3); | |
| map["GL_NV_EGL_stream_consumer_external"] = enableableExtension(&Extensions::eglStreamConsumerExternal); | |
| map["GL_EXT_unpack_subimage"] = enableableExtension(&Extensions::unpackSubimage); | |
| map["GL_NV_pack_subimage"] = enableableExtension(&Extensions::packSubimage); | |
| map["GL_EXT_color_buffer_float"] = enableableExtension(&Extensions::colorBufferFloat); | |
| map["GL_OES_vertex_array_object"] = enableableExtension(&Extensions::vertexArrayObject); | |
| map["GL_KHR_debug"] = esOnlyExtension(&Extensions::debug); | |
| // TODO(jmadill): Enable this when complete. | |
| //map["GL_KHR_no_error"] = esOnlyExtension(&Extensions::noError); | |
| map["GL_ANGLE_lossy_etc_decode"] = enableableExtension(&Extensions::lossyETCDecode); | |
| map["GL_CHROMIUM_bind_uniform_location"] = esOnlyExtension(&Extensions::bindUniformLocation); | |
| map["GL_CHROMIUM_sync_query"] = enableableExtension(&Extensions::syncQuery); | |
| map["GL_CHROMIUM_copy_texture"] = esOnlyExtension(&Extensions::copyTexture); | |
| map["GL_CHROMIUM_copy_compressed_texture"] = esOnlyExtension(&Extensions::copyCompressedTexture); | |
| map["GL_ANGLE_webgl_compatibility"] = esOnlyExtension(&Extensions::webglCompatibility); | |
| map["GL_ANGLE_request_extension"] = esOnlyExtension(&Extensions::requestExtension); | |
| map["GL_CHROMIUM_bind_generates_resource"] = esOnlyExtension(&Extensions::bindGeneratesResource); | |
| map["GL_ANGLE_robust_client_memory"] = esOnlyExtension(&Extensions::robustClientMemory); | |
| map["GL_EXT_texture_sRGB_decode"] = esOnlyExtension(&Extensions::textureSRGBDecode); | |
| map["GL_EXT_sRGB_write_control"] = esOnlyExtension(&Extensions::sRGBWriteControl); | |
| map["GL_CHROMIUM_color_buffer_float_rgb"] = enableableExtension(&Extensions::colorBufferFloatRGB); | |
| map["GL_CHROMIUM_color_buffer_float_rgba"] = enableableExtension(&Extensions::colorBufferFloatRGBA); | |
| map["GL_EXT_multisample_compatibility"] = esOnlyExtension(&Extensions::multisampleCompatibility); | |
| map["GL_CHROMIUM_framebuffer_mixed_samples"] = esOnlyExtension(&Extensions::framebufferMixedSamples); | |
| map["GL_EXT_texture_norm16"] = esOnlyExtension(&Extensions::textureNorm16); | |
| map["GL_CHROMIUM_path_rendering"] = esOnlyExtension(&Extensions::pathRendering); | |
| map["GL_OES_surfaceless_context"] = esOnlyExtension(&Extensions::surfacelessContext); | |
| map["GL_ANGLE_client_arrays"] = esOnlyExtension(&Extensions::clientArrays); | |
| map["GL_ANGLE_robust_resource_initialization"] = esOnlyExtension(&Extensions::robustResourceInitialization); | |
| map["GL_ANGLE_program_cache_control"] = esOnlyExtension(&Extensions::programCacheControl); | |
| map["GL_ANGLE_texture_rectangle"] = enableableExtension(&Extensions::textureRectangle); | |
| map["GL_EXT_geometry_shader"] = enableableExtension(&Extensions::geometryShader); | |
| map["GL_ANGLE_explicit_context_gles1"] = enableableExtension(&Extensions::explicitContextGles1); | |
| map["GL_ANGLE_explicit_context"] = enableableExtension(&Extensions::explicitContext); | |
| map["GL_KHR_parallel_shader_compile"] = enableableExtension(&Extensions::parallelShaderCompile); | |
| map["GL_OES_texture_storage_multisample_2d_array"] = enableableExtension(&Extensions::textureStorageMultisample2DArray); | |
| map["GL_ANGLE_multiview_multisample"] = enableableExtension(&Extensions::multiviewMultisample); | |
| map["GL_EXT_blend_func_extended"] = enableableExtension(&Extensions::blendFuncExtended); | |
| // GLES1 extensinos | |
| map["GL_OES_point_size_array"] = enableableExtension(&Extensions::pointSizeArray); | |
| map["GL_OES_texture_cube_map"] = enableableExtension(&Extensions::textureCubeMap); | |
| map["GL_OES_point_sprite"] = enableableExtension(&Extensions::pointSprite); | |
| map["GL_OES_draw_texture"] = enableableExtension(&Extensions::drawTexture); | |
| // clang-format on | |
| return map; | |
| }; | |
| static const ExtensionInfoMap extensionInfo = buildExtensionInfoMap(); | |
| return extensionInfo; | |
| } | |
| TypePrecision::TypePrecision() : range({{0, 0}}), precision(0) | |
| { | |
| } | |
| TypePrecision::TypePrecision(const TypePrecision &other) = default; | |
| void TypePrecision::setIEEEFloat() | |
| { | |
| range = {{127, 127}}; | |
| precision = 23; | |
| } | |
| void TypePrecision::setTwosComplementInt(unsigned int bits) | |
| { | |
| range = {{static_cast<GLint>(bits) - 1, static_cast<GLint>(bits) - 2}}; | |
| precision = 0; | |
| } | |
| void TypePrecision::setSimulatedFloat(unsigned int r, unsigned int p) | |
| { | |
| range = {{static_cast<GLint>(r), static_cast<GLint>(r)}}; | |
| precision = static_cast<GLint>(p); | |
| } | |
| void TypePrecision::setSimulatedInt(unsigned int r) | |
| { | |
| range = {{static_cast<GLint>(r), static_cast<GLint>(r)}}; | |
| precision = 0; | |
| } | |
| void TypePrecision::get(GLint *returnRange, GLint *returnPrecision) const | |
| { | |
| std::copy(range.begin(), range.end(), returnRange); | |
| *returnPrecision = precision; | |
| } | |
| Caps::Caps() | |
| : maxElementIndex(0), | |
| max3DTextureSize(0), | |
| max2DTextureSize(0), | |
| maxRectangleTextureSize(0), | |
| maxArrayTextureLayers(0), | |
| maxLODBias(0), | |
| maxCubeMapTextureSize(0), | |
| maxRenderbufferSize(0), | |
| minAliasedPointSize(1.0f), | |
| maxAliasedPointSize(1.0f), | |
| minAliasedLineWidth(0), | |
| maxAliasedLineWidth(0), | |
| // Table 20.40 | |
| maxDrawBuffers(0), | |
| maxFramebufferWidth(0), | |
| maxFramebufferHeight(0), | |
| maxFramebufferSamples(0), | |
| maxColorAttachments(0), | |
| maxViewportWidth(0), | |
| maxViewportHeight(0), | |
| maxSampleMaskWords(0), | |
| maxColorTextureSamples(0), | |
| maxDepthTextureSamples(0), | |
| maxIntegerSamples(0), | |
| maxServerWaitTimeout(0), | |
| // Table 20.41 | |
| maxVertexAttribRelativeOffset(0), | |
| maxVertexAttribBindings(0), | |
| maxVertexAttribStride(0), | |
| maxElementsIndices(0), | |
| maxElementsVertices(0), | |
| // Table 20.43 | |
| // Table 20.44 | |
| // Table 20.45 | |
| // Table 20.43gs (GL_EXT_geometry_shader) | |
| // Table 20.46 (GL_EXT_geometry_shader) | |
| maxShaderUniformBlocks({}), | |
| maxShaderTextureImageUnits({}), | |
| maxShaderStorageBlocks({}), | |
| maxShaderUniformComponents({}), | |
| maxShaderAtomicCounterBuffers({}), | |
| maxShaderAtomicCounters({}), | |
| maxShaderImageUniforms({}), | |
| maxCombinedShaderUniformComponents({}), | |
| // Table 20.43 | |
| maxVertexAttributes(0), | |
| maxVertexUniformVectors(0), | |
| maxVertexOutputComponents(0), | |
| // Table 20.44 | |
| maxFragmentUniformVectors(0), | |
| maxFragmentInputComponents(0), | |
| minProgramTextureGatherOffset(0), | |
| maxProgramTextureGatherOffset(0), | |
| minProgramTexelOffset(0), | |
| maxProgramTexelOffset(0), | |
| // Table 20.45 | |
| maxComputeWorkGroupInvocations(0), | |
| maxComputeSharedMemorySize(0), | |
| // Table 20.46 | |
| maxUniformBufferBindings(0), | |
| maxUniformBlockSize(0), | |
| uniformBufferOffsetAlignment(0), | |
| maxCombinedUniformBlocks(0), | |
| maxVaryingComponents(0), | |
| maxVaryingVectors(0), | |
| maxCombinedTextureImageUnits(0), | |
| maxCombinedShaderOutputResources(0), | |
| // Table 20.47 | |
| maxUniformLocations(0), | |
| maxAtomicCounterBufferBindings(0), | |
| maxAtomicCounterBufferSize(0), | |
| maxCombinedAtomicCounterBuffers(0), | |
| maxCombinedAtomicCounters(0), | |
| maxImageUnits(0), | |
| maxCombinedImageUniforms(0), | |
| maxShaderStorageBufferBindings(0), | |
| maxShaderStorageBlockSize(0), | |
| maxCombinedShaderStorageBlocks(0), | |
| shaderStorageBufferOffsetAlignment(0), | |
| // Table 20.48 | |
| maxTransformFeedbackInterleavedComponents(0), | |
| maxTransformFeedbackSeparateAttributes(0), | |
| maxTransformFeedbackSeparateComponents(0), | |
| // Table 20.49 | |
| maxSamples(0), | |
| // Table 20.40 (cont.) (GL_EXT_geometry_shader) | |
| maxFramebufferLayers(0), | |
| layerProvokingVertex(0), | |
| // Table 20.43gs (GL_EXT_geometry_shader) | |
| maxGeometryInputComponents(0), | |
| maxGeometryOutputComponents(0), | |
| maxGeometryOutputVertices(0), | |
| maxGeometryTotalOutputComponents(0), | |
| maxGeometryShaderInvocations(0), | |
| // GLES1 emulation: Table 6.20 / 6.22 (ES 1.1 spec) | |
| maxMultitextureUnits(0), | |
| maxClipPlanes(0), | |
| maxLights(0), | |
| maxModelviewMatrixStackDepth(0), | |
| maxProjectionMatrixStackDepth(0), | |
| maxTextureMatrixStackDepth(0), | |
| minSmoothPointSize(0), | |
| maxSmoothPointSize(0), | |
| minSmoothLineWidth(0), | |
| maxSmoothLineWidth(0) | |
| { | |
| for (size_t i = 0; i < 3; ++i) | |
| { | |
| maxComputeWorkGroupCount[i] = 0; | |
| maxComputeWorkGroupSize[i] = 0; | |
| } | |
| } | |
| Caps::Caps(const Caps &other) = default; | |
| Caps::~Caps() = default; | |
| Caps GenerateMinimumCaps(const Version &clientVersion, const Extensions &extensions) | |
| { | |
| Caps caps; | |
| // GLES1 emulation (Minimums taken from Table 6.20 / 6.22 (ES 1.1 spec)) | |
| if (clientVersion < Version(2, 0)) | |
| { | |
| caps.maxMultitextureUnits = 2; | |
| caps.maxLights = 8; | |
| caps.maxClipPlanes = 1; | |
| caps.maxModelviewMatrixStackDepth = 16; | |
| caps.maxProjectionMatrixStackDepth = 2; | |
| caps.maxTextureMatrixStackDepth = 2; | |
| caps.minSmoothPointSize = 1.0f; | |
| caps.maxSmoothPointSize = 1.0f; | |
| } | |
| if (clientVersion >= Version(2, 0)) | |
| { | |
| // Table 6.18 | |
| caps.max2DTextureSize = 64; | |
| caps.maxCubeMapTextureSize = 16; | |
| caps.maxViewportWidth = caps.max2DTextureSize; | |
| caps.maxViewportHeight = caps.max2DTextureSize; | |
| caps.minAliasedPointSize = 1; | |
| caps.maxAliasedPointSize = 1; | |
| caps.minAliasedLineWidth = 1; | |
| caps.maxAliasedLineWidth = 1; | |
| // Table 6.19 | |
| caps.vertexHighpFloat.setSimulatedFloat(62, 16); | |
| caps.vertexMediumpFloat.setSimulatedFloat(14, 10); | |
| caps.vertexLowpFloat.setSimulatedFloat(1, 8); | |
| caps.vertexHighpInt.setSimulatedInt(16); | |
| caps.vertexMediumpInt.setSimulatedInt(10); | |
| caps.vertexLowpInt.setSimulatedInt(8); | |
| caps.fragmentHighpFloat.setSimulatedFloat(62, 16); | |
| caps.fragmentMediumpFloat.setSimulatedFloat(14, 10); | |
| caps.fragmentLowpFloat.setSimulatedFloat(1, 8); | |
| caps.fragmentHighpInt.setSimulatedInt(16); | |
| caps.fragmentMediumpInt.setSimulatedInt(10); | |
| caps.fragmentLowpInt.setSimulatedInt(8); | |
| // Table 6.20 | |
| caps.maxVertexAttributes = 8; | |
| caps.maxVertexUniformVectors = 128; | |
| caps.maxVaryingVectors = 8; | |
| caps.maxCombinedTextureImageUnits = 8; | |
| caps.maxShaderTextureImageUnits[ShaderType::Fragment] = 8; | |
| caps.maxFragmentUniformVectors = 16; | |
| caps.maxRenderbufferSize = 1; | |
| } | |
| if (clientVersion >= Version(3, 0)) | |
| { | |
| // Table 6.28 | |
| caps.maxElementIndex = (1 << 24) - 1; | |
| caps.max3DTextureSize = 256; | |
| caps.max2DTextureSize = 2048; | |
| caps.maxArrayTextureLayers = 256; | |
| caps.maxLODBias = 2.0f; | |
| caps.maxCubeMapTextureSize = 2048; | |
| caps.maxRenderbufferSize = 2048; | |
| caps.maxDrawBuffers = 4; | |
| caps.maxColorAttachments = 4; | |
| caps.maxViewportWidth = caps.max2DTextureSize; | |
| caps.maxViewportHeight = caps.max2DTextureSize; | |
| // Table 6.29 | |
| caps.compressedTextureFormats.push_back(GL_COMPRESSED_R11_EAC); | |
| caps.compressedTextureFormats.push_back(GL_COMPRESSED_SIGNED_R11_EAC); | |
| caps.compressedTextureFormats.push_back(GL_COMPRESSED_RG11_EAC); | |
| caps.compressedTextureFormats.push_back(GL_COMPRESSED_SIGNED_RG11_EAC); | |
| caps.compressedTextureFormats.push_back(GL_COMPRESSED_RGB8_ETC2); | |
| caps.compressedTextureFormats.push_back(GL_COMPRESSED_SRGB8_ETC2); | |
| caps.compressedTextureFormats.push_back(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2); | |
| caps.compressedTextureFormats.push_back(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2); | |
| caps.compressedTextureFormats.push_back(GL_COMPRESSED_RGBA8_ETC2_EAC); | |
| caps.compressedTextureFormats.push_back(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC); | |
| caps.vertexHighpFloat.setIEEEFloat(); | |
| caps.vertexHighpInt.setTwosComplementInt(32); | |
| caps.vertexMediumpInt.setTwosComplementInt(16); | |
| caps.vertexLowpInt.setTwosComplementInt(8); | |
| caps.fragmentHighpFloat.setIEEEFloat(); | |
| caps.fragmentHighpInt.setSimulatedInt(32); | |
| caps.fragmentMediumpInt.setTwosComplementInt(16); | |
| caps.fragmentLowpInt.setTwosComplementInt(8); | |
| caps.maxServerWaitTimeout = 0; | |
| // Table 6.31 | |
| caps.maxVertexAttributes = 16; | |
| caps.maxShaderUniformComponents[ShaderType::Vertex] = 1024; | |
| caps.maxVertexUniformVectors = 256; | |
| caps.maxShaderUniformBlocks[ShaderType::Vertex] = 12; | |
| caps.maxVertexOutputComponents = 64; | |
| caps.maxShaderTextureImageUnits[ShaderType::Vertex] = 16; | |
| // Table 6.32 | |
| caps.maxShaderUniformComponents[ShaderType::Fragment] = 896; | |
| caps.maxFragmentUniformVectors = 224; | |
| caps.maxShaderUniformBlocks[ShaderType::Fragment] = 12; | |
| caps.maxFragmentInputComponents = 60; | |
| caps.maxShaderTextureImageUnits[ShaderType::Fragment] = 16; | |
| caps.minProgramTexelOffset = -8; | |
| caps.maxProgramTexelOffset = 7; | |
| // Table 6.33 | |
| caps.maxUniformBufferBindings = 24; | |
| caps.maxUniformBlockSize = 16384; | |
| caps.uniformBufferOffsetAlignment = 256; | |
| caps.maxCombinedUniformBlocks = 24; | |
| caps.maxVaryingComponents = 60; | |
| caps.maxVaryingVectors = 15; | |
| caps.maxCombinedTextureImageUnits = 32; | |
| // Table 6.34 | |
| caps.maxTransformFeedbackInterleavedComponents = 64; | |
| caps.maxTransformFeedbackSeparateAttributes = 4; | |
| caps.maxTransformFeedbackSeparateComponents = 4; | |
| // Table 3.35 | |
| caps.maxSamples = 4; | |
| } | |
| if (clientVersion >= Version(3, 1)) | |
| { | |
| // Table 20.40 | |
| caps.maxFramebufferWidth = 2048; | |
| caps.maxFramebufferHeight = 2048; | |
| caps.maxFramebufferSamples = 4; | |
| caps.maxSampleMaskWords = 1; | |
| caps.maxColorTextureSamples = 1; | |
| caps.maxDepthTextureSamples = 1; | |
| caps.maxIntegerSamples = 1; | |
| // Table 20.41 | |
| caps.maxVertexAttribRelativeOffset = 2047; | |
| caps.maxVertexAttribBindings = 16; | |
| caps.maxVertexAttribStride = 2048; | |
| // Table 20.43 | |
| caps.maxShaderAtomicCounterBuffers[ShaderType::Vertex] = 0; | |
| caps.maxShaderAtomicCounters[ShaderType::Vertex] = 0; | |
| caps.maxShaderImageUniforms[ShaderType::Vertex] = 0; | |
| caps.maxShaderStorageBlocks[ShaderType::Vertex] = 0; | |
| // Table 20.44 | |
| caps.maxShaderUniformComponents[ShaderType::Fragment] = 1024; | |
| caps.maxFragmentUniformVectors = 256; | |
| caps.maxShaderAtomicCounterBuffers[ShaderType::Fragment] = 0; | |
| caps.maxShaderAtomicCounters[ShaderType::Fragment] = 0; | |
| caps.maxShaderImageUniforms[ShaderType::Fragment] = 0; | |
| caps.maxShaderStorageBlocks[ShaderType::Fragment] = 0; | |
| caps.minProgramTextureGatherOffset = 0; | |
| caps.maxProgramTextureGatherOffset = 0; | |
| // Table 20.45 | |
| caps.maxComputeWorkGroupCount = {{65535, 65535, 65535}}; | |
| caps.maxComputeWorkGroupSize = {{128, 128, 64}}; | |
| caps.maxComputeWorkGroupInvocations = 12; | |
| caps.maxShaderUniformBlocks[ShaderType::Compute] = 12; | |
| caps.maxShaderTextureImageUnits[ShaderType::Compute] = 16; | |
| caps.maxComputeSharedMemorySize = 16384; | |
| caps.maxShaderUniformComponents[ShaderType::Compute] = 1024; | |
| caps.maxShaderAtomicCounterBuffers[ShaderType::Compute] = 1; | |
| caps.maxShaderAtomicCounters[ShaderType::Compute] = 8; | |
| caps.maxShaderImageUniforms[ShaderType::Compute] = 4; | |
| caps.maxShaderStorageBlocks[ShaderType::Compute] = 4; | |
| // Table 20.46 | |
| caps.maxUniformBufferBindings = 36; | |
| caps.maxCombinedTextureImageUnits = 48; | |
| caps.maxCombinedShaderOutputResources = 4; | |
| // Table 20.47 | |
| caps.maxUniformLocations = 1024; | |
| caps.maxAtomicCounterBufferBindings = 1; | |
| caps.maxAtomicCounterBufferSize = 32; | |
| caps.maxCombinedAtomicCounterBuffers = 1; | |
| caps.maxCombinedAtomicCounters = 8; | |
| caps.maxImageUnits = 4; | |
| caps.maxCombinedImageUniforms = 4; | |
| caps.maxShaderStorageBufferBindings = 4; | |
| caps.maxShaderStorageBlockSize = 1 << 27; | |
| caps.maxCombinedShaderStorageBlocks = 4; | |
| caps.shaderStorageBufferOffsetAlignment = 256; | |
| } | |
| if (extensions.textureRectangle) | |
| { | |
| caps.maxRectangleTextureSize = 64; | |
| } | |
| if (extensions.geometryShader) | |
| { | |
| // Table 20.40 (GL_EXT_geometry_shader) | |
| caps.maxFramebufferLayers = 256; | |
| caps.layerProvokingVertex = GL_LAST_VERTEX_CONVENTION_EXT; | |
| // Table 20.43gs (GL_EXT_geometry_shader) | |
| caps.maxShaderUniformComponents[ShaderType::Geometry] = 1024; | |
| caps.maxShaderUniformBlocks[ShaderType::Geometry] = 12; | |
| caps.maxGeometryInputComponents = 64; | |
| caps.maxGeometryOutputComponents = 64; | |
| caps.maxGeometryOutputVertices = 256; | |
| caps.maxGeometryTotalOutputComponents = 1024; | |
| caps.maxShaderTextureImageUnits[ShaderType::Geometry] = 16; | |
| caps.maxShaderAtomicCounterBuffers[ShaderType::Geometry] = 0; | |
| caps.maxShaderAtomicCounters[ShaderType::Geometry] = 0; | |
| caps.maxShaderStorageBlocks[ShaderType::Geometry] = 0; | |
| caps.maxGeometryShaderInvocations = 32; | |
| // Table 20.46 (GL_EXT_geometry_shader) | |
| caps.maxShaderImageUniforms[ShaderType::Geometry] = 0; | |
| // Table 20.46 (GL_EXT_geometry_shader) | |
| caps.maxUniformBufferBindings = 48; | |
| caps.maxCombinedUniformBlocks = 36; | |
| caps.maxCombinedTextureImageUnits = 64; | |
| } | |
| for (ShaderType shaderType : AllShaderTypes()) | |
| { | |
| caps.maxCombinedShaderUniformComponents[shaderType] = | |
| caps.maxShaderUniformBlocks[shaderType] * | |
| static_cast<GLuint>(caps.maxUniformBlockSize / 4) + | |
| caps.maxShaderUniformComponents[shaderType]; | |
| } | |
| return caps; | |
| } | |
| } | |
| namespace egl | |
| { | |
| Caps::Caps() : textureNPOT(false) | |
| { | |
| } | |
| DisplayExtensions::DisplayExtensions() | |
| : createContextRobustness(false), | |
| d3dShareHandleClientBuffer(false), | |
| d3dTextureClientBuffer(false), | |
| surfaceD3DTexture2DShareHandle(false), | |
| querySurfacePointer(false), | |
| windowFixedSize(false), | |
| keyedMutex(false), | |
| surfaceOrientation(false), | |
| postSubBuffer(false), | |
| createContext(false), | |
| deviceQuery(false), | |
| image(false), | |
| imageBase(false), | |
| imagePixmap(false), | |
| glTexture2DImage(false), | |
| glTextureCubemapImage(false), | |
| glTexture3DImage(false), | |
| glRenderbufferImage(false), | |
| getAllProcAddresses(false), | |
| flexibleSurfaceCompatibility(false), | |
| directComposition(false), | |
| createContextNoError(false), | |
| stream(false), | |
| streamConsumerGLTexture(false), | |
| streamConsumerGLTextureYUV(false), | |
| streamProducerD3DTexture(false), | |
| createContextWebGLCompatibility(false), | |
| createContextBindGeneratesResource(false), | |
| getSyncValues(false), | |
| swapBuffersWithDamage(false), | |
| pixelFormatFloat(false), | |
| surfacelessContext(false), | |
| displayTextureShareGroup(false), | |
| createContextClientArrays(false), | |
| programCacheControl(false), | |
| robustResourceInitialization(false), | |
| iosurfaceClientBuffer(false), | |
| createContextExtensionsEnabled(false), | |
| presentationTime(false), | |
| blobCache(false) | |
| { | |
| } | |
| std::vector<std::string> DisplayExtensions::getStrings() const | |
| { | |
| std::vector<std::string> extensionStrings; | |
| // clang-format off | |
| // | Extension name | Supported flag | Output vector | | |
| InsertExtensionString("EGL_EXT_create_context_robustness", createContextRobustness, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_d3d_share_handle_client_buffer", d3dShareHandleClientBuffer, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_d3d_texture_client_buffer", d3dTextureClientBuffer, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_surface_d3d_texture_2d_share_handle", surfaceD3DTexture2DShareHandle, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_query_surface_pointer", querySurfacePointer, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_window_fixed_size", windowFixedSize, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_keyed_mutex", keyedMutex, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_surface_orientation", surfaceOrientation, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_direct_composition", directComposition, &extensionStrings); | |
| InsertExtensionString("EGL_NV_post_sub_buffer", postSubBuffer, &extensionStrings); | |
| InsertExtensionString("EGL_KHR_create_context", createContext, &extensionStrings); | |
| InsertExtensionString("EGL_EXT_device_query", deviceQuery, &extensionStrings); | |
| InsertExtensionString("EGL_KHR_image", image, &extensionStrings); | |
| InsertExtensionString("EGL_KHR_image_base", imageBase, &extensionStrings); | |
| InsertExtensionString("EGL_KHR_image_pixmap", imagePixmap, &extensionStrings); | |
| InsertExtensionString("EGL_KHR_gl_texture_2D_image", glTexture2DImage, &extensionStrings); | |
| InsertExtensionString("EGL_KHR_gl_texture_cubemap_image", glTextureCubemapImage, &extensionStrings); | |
| InsertExtensionString("EGL_KHR_gl_texture_3D_image", glTexture3DImage, &extensionStrings); | |
| InsertExtensionString("EGL_KHR_gl_renderbuffer_image", glRenderbufferImage, &extensionStrings); | |
| InsertExtensionString("EGL_KHR_get_all_proc_addresses", getAllProcAddresses, &extensionStrings); | |
| InsertExtensionString("EGL_KHR_stream", stream, &extensionStrings); | |
| InsertExtensionString("EGL_KHR_stream_consumer_gltexture", streamConsumerGLTexture, &extensionStrings); | |
| InsertExtensionString("EGL_NV_stream_consumer_gltexture_yuv", streamConsumerGLTextureYUV, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_flexible_surface_compatibility", flexibleSurfaceCompatibility, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_stream_producer_d3d_texture", streamProducerD3DTexture, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_create_context_webgl_compatibility", createContextWebGLCompatibility, &extensionStrings); | |
| InsertExtensionString("EGL_CHROMIUM_create_context_bind_generates_resource", createContextBindGeneratesResource, &extensionStrings); | |
| InsertExtensionString("EGL_CHROMIUM_sync_control", getSyncValues, &extensionStrings); | |
| InsertExtensionString("EGL_KHR_swap_buffers_with_damage", swapBuffersWithDamage, &extensionStrings); | |
| InsertExtensionString("EGL_EXT_pixel_format_float", pixelFormatFloat, &extensionStrings); | |
| InsertExtensionString("EGL_KHR_surfaceless_context", surfacelessContext, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_display_texture_share_group", displayTextureShareGroup, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_create_context_client_arrays", createContextClientArrays, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_program_cache_control", programCacheControl, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_robust_resource_initialization", robustResourceInitialization, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_iosurface_client_buffer", iosurfaceClientBuffer, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_create_context_extensions_enabled", createContextExtensionsEnabled, &extensionStrings); | |
| InsertExtensionString("EGL_ANDROID_presentation_time", presentationTime, &extensionStrings); | |
| InsertExtensionString("EGL_ANDROID_blob_cache", blobCache, &extensionStrings); | |
| // TODO(jmadill): Enable this when complete. | |
| //InsertExtensionString("KHR_create_context_no_error", createContextNoError, &extensionStrings); | |
| // clang-format on | |
| return extensionStrings; | |
| } | |
| DeviceExtensions::DeviceExtensions() : deviceD3D(false) | |
| { | |
| } | |
| std::vector<std::string> DeviceExtensions::getStrings() const | |
| { | |
| std::vector<std::string> extensionStrings; | |
| // clang-format off | |
| // | Extension name | Supported flag | Output vector | | |
| InsertExtensionString("EGL_ANGLE_device_d3d", deviceD3D, &extensionStrings); | |
| // clang-format on | |
| return extensionStrings; | |
| } | |
| ClientExtensions::ClientExtensions() | |
| : clientExtensions(false), | |
| platformBase(false), | |
| platformDevice(false), | |
| platformANGLE(false), | |
| platformANGLED3D(false), | |
| platformANGLEOpenGL(false), | |
| platformANGLEVulkan(false), | |
| platformANGLEContextVirtualization(false), | |
| deviceCreation(false), | |
| deviceCreationD3D11(false), | |
| x11Visual(false), | |
| experimentalPresentPath(false), | |
| clientGetAllProcAddresses(false), | |
| debug(false), | |
| explicitContext(false) | |
| { | |
| } | |
| ClientExtensions::ClientExtensions(const ClientExtensions &other) = default; | |
| std::vector<std::string> ClientExtensions::getStrings() const | |
| { | |
| std::vector<std::string> extensionStrings; | |
| // clang-format off | |
| // | Extension name | Supported flag | Output vector | | |
| InsertExtensionString("EGL_EXT_client_extensions", clientExtensions, &extensionStrings); | |
| InsertExtensionString("EGL_EXT_platform_base", platformBase, &extensionStrings); | |
| InsertExtensionString("EGL_EXT_platform_device", platformDevice, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_platform_angle", platformANGLE, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_platform_angle_d3d", platformANGLED3D, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_platform_angle_opengl", platformANGLEOpenGL, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_platform_angle_null", platformANGLENULL, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_platform_angle_vulkan", platformANGLEVulkan, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_platform_angle_context_virtualization", platformANGLEContextVirtualization, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_device_creation", deviceCreation, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_device_creation_d3d11", deviceCreationD3D11, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_x11_visual", x11Visual, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_experimental_present_path", experimentalPresentPath, &extensionStrings); | |
| InsertExtensionString("EGL_KHR_client_get_all_proc_addresses", clientGetAllProcAddresses, &extensionStrings); | |
| InsertExtensionString("EGL_KHR_debug", debug, &extensionStrings); | |
| InsertExtensionString("EGL_ANGLE_explicit_context", explicitContext, &extensionStrings); | |
| // clang-format on | |
| return extensionStrings; | |
| } | |
| } // namespace egl |