| // |
| // Copyright 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() = default; |
| |
| TextureCaps::TextureCaps(const TextureCaps &other) = default; |
| |
| TextureCaps &TextureCaps::operator=(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.blendable = internalFormatInfo.blendSupport(clientVersion, extensions); |
| |
| caps.sampleCounts.insert(0); |
| if (internalFormatInfo.isRequiredRenderbufferFormat(clientVersion)) |
| { |
| if ((clientVersion.major >= 3 && clientVersion.minor >= 1) || |
| (clientVersion.major >= 3 && !internalFormatInfo.isInt())) |
| { |
| 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[formatID]; |
| } |
| |
| TextureCaps &TextureCapsMap::get(angle::FormatID formatID) |
| { |
| return mFormatData[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() = default; |
| |
| Extensions::Extensions(const Extensions &other) = default; |
| |
| Extensions &Extensions::operator=(const Extensions &other) = default; |
| |
| 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() = default; |
| Limitations::Limitations(const Limitations &other) = default; |
| |
| Limitations &Limitations::operator=(const Limitations &other) = default; |
| |
| static bool GetFormatSupportBase(const TextureCapsMap &textureCaps, |
| const GLenum *requiredFormats, |
| size_t requiredFormatsSize, |
| bool requiresTexturing, |
| bool requiresFiltering, |
| bool requiresAttachingTexture, |
| bool requiresRenderbufferSupport, |
| bool requiresBlending) |
| { |
| 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; |
| } |
| |
| if (requiresBlending && !cap.blendable) |
| { |
| 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, |
| bool requiresBlending) |
| { |
| return GetFormatSupportBase(textureCaps, requiredFormats, N, requiresTexturing, |
| requiresFiltering, requiresAttachingTexture, |
| requiresRenderbufferSupport, requiresBlending); |
| } |
| |
| // Check for GL_OES_packed_depth_stencil support |
| static bool DeterminePackedDepthStencilSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_DEPTH24_STENCIL8, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, false, false, true, true, false); |
| } |
| |
| // Checks for GL_NV_read_depth support |
| static bool DetermineReadDepthSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_DEPTH_COMPONENT16, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, false, true, false, false); |
| } |
| |
| // Checks for GL_NV_read_stencil support |
| static bool DetermineReadStencilSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_STENCIL_INDEX8, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, false, false, true, false, false); |
| } |
| |
| // Checks for GL_NV_depth_buffer_float2 support |
| static bool DetermineDepthBufferFloat2Support(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_DEPTH_COMPONENT32F, |
| GL_DEPTH32F_STENCIL8, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, false, true, false, false); |
| } |
| |
| // Checks for GL_OES_rgb8_rgba8 support |
| static bool DetermineRGB8AndRGBA8TextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_RGB8, |
| GL_RGBA8, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, false, false, false, true, false); |
| } |
| |
| // 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, false); |
| } |
| |
| // Checks for GL_EXT_read_format_bgra support |
| static bool DetermineBGRAReadFormatSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_BGRA8_EXT, |
| // TODO(http://anglebug.com/4302): GL_EXT_read_format_bgra specifies 2 more types, which are |
| // currently ignored. The equivalent formats would be: GL_BGRA4_ANGLEX, GL_BGR5_A1_ANGLEX |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true, false); |
| } |
| |
| // Checks for GL_OES_color_buffer_half_float support |
| static bool DetermineColorBufferHalfFloatSupport(const TextureCapsMap &textureCaps) |
| { |
| // EXT_color_buffer_half_float issue #2 states that an implementation doesn't need to support |
| // rendering to any of the formats but is expected to be able to render to at least one. WebGL |
| // requires that at least RGBA16F is renderable so we make the same requirement. |
| constexpr GLenum requiredFormats[] = { |
| GL_RGBA16F, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, false, false, true, true, false); |
| } |
| |
| // Checks for GL_OES_texture_half_float support |
| static bool DetermineHalfFloatTextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_RGBA16F, GL_RGB16F, GL_LUMINANCE_ALPHA16F_EXT, GL_LUMINANCE16F_EXT, GL_ALPHA16F_EXT, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, false, false, false, false); |
| } |
| |
| // Checks for GL_OES_texture_half_float_linear support |
| static bool DetermineHalfFloatTextureFilteringSupport(const TextureCapsMap &textureCaps, |
| bool checkLegacyFormats) |
| { |
| constexpr GLenum requiredFormats[] = {GL_RGBA16F, GL_RGB16F}; |
| // If GL_OES_texture_half_float is present, this extension must also support legacy formats |
| // introduced by that extension |
| constexpr GLenum requiredFormatsES2[] = {GL_LUMINANCE_ALPHA16F_EXT, GL_LUMINANCE16F_EXT, |
| GL_ALPHA16F_EXT}; |
| |
| if (checkLegacyFormats && |
| !GetFormatSupport(textureCaps, requiredFormatsES2, false, true, false, false, false)) |
| { |
| return false; |
| } |
| |
| return GetFormatSupport(textureCaps, requiredFormats, false, true, false, false, false); |
| } |
| |
| // Checks for GL_OES_texture_float support |
| static bool DetermineFloatTextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_RGBA32F, GL_RGB32F, GL_LUMINANCE_ALPHA32F_EXT, GL_LUMINANCE32F_EXT, GL_ALPHA32F_EXT, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, false, false, false, false); |
| } |
| |
| // Checks for GL_OES_texture_float_linear support |
| static bool DetermineFloatTextureFilteringSupport(const TextureCapsMap &textureCaps, |
| bool checkLegacyFormats) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_RGBA32F, |
| GL_RGB32F, |
| }; |
| // If GL_OES_texture_float is present, this extension must also support legacy formats |
| // introduced by that extension |
| constexpr GLenum requiredFormatsES2[] = { |
| GL_LUMINANCE_ALPHA32F_EXT, |
| GL_LUMINANCE32F_EXT, |
| GL_ALPHA32F_EXT, |
| }; |
| |
| if (checkLegacyFormats && |
| !GetFormatSupport(textureCaps, requiredFormatsES2, false, true, false, false, false)) |
| { |
| return false; |
| } |
| |
| return GetFormatSupport(textureCaps, requiredFormats, false, true, false, false, false); |
| } |
| |
| // Checks for GL_EXT_texture_rg support |
| static bool DetermineRGTextureSupport(const TextureCapsMap &textureCaps, |
| bool checkHalfFloatFormats, |
| bool checkFloatFormats) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_R8, |
| GL_RG8, |
| }; |
| constexpr GLenum requiredHalfFloatFormats[] = { |
| GL_R16F, |
| GL_RG16F, |
| }; |
| constexpr GLenum requiredFloatFormats[] = { |
| GL_R32F, |
| GL_RG32F, |
| }; |
| |
| if (checkHalfFloatFormats && |
| !GetFormatSupport(textureCaps, requiredHalfFloatFormats, true, false, false, false, false)) |
| { |
| return false; |
| } |
| |
| if (checkFloatFormats && |
| !GetFormatSupport(textureCaps, requiredFloatFormats, true, false, false, false, false)) |
| { |
| return false; |
| } |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, true, true, false); |
| } |
| |
| static bool DetermineTextureFormat2101010Support(const TextureCapsMap &textureCaps) |
| { |
| // GL_EXT_texture_type_2_10_10_10_REV specifies both RGBA and RGB support whereas desktop GL |
| // only specifies RGBA support, so check both RGBA and RGB before marking as supported. |
| constexpr GLenum requiredFormats[] = { |
| GL_RGB10_A2, |
| GL_RGB10_UNORM_ANGLEX, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for GL_EXT_texture_compression_dxt1 support |
| 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, false); |
| } |
| |
| // Check for GL_ANGLE_texture_compression_dxt3 support |
| static bool DetermineDXT3TextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for GL_ANGLE_texture_compression_dxt5 support |
| static bool DetermineDXT5TextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for GL_EXT_texture_compression_s3tc_srgb support |
| 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, false); |
| } |
| |
| // Check for GL_KHR_texture_compression_astc_ldr support |
| static bool DetermineASTCLDRTextureSupport(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, false); |
| } |
| |
| // Check for GL_OES_texture_compression_astc support |
| static bool DetermineASTCOESTExtureSupport(const TextureCapsMap &textureCaps) |
| { |
| if (!DetermineASTCLDRTextureSupport(textureCaps)) |
| { |
| return false; |
| } |
| |
| // The OES version of the extension also requires the 3D ASTC formats |
| constexpr GLenum requiredFormats[] = { |
| GL_COMPRESSED_RGBA_ASTC_3x3x3_OES, GL_COMPRESSED_RGBA_ASTC_4x3x3_OES, |
| GL_COMPRESSED_RGBA_ASTC_4x4x3_OES, GL_COMPRESSED_RGBA_ASTC_4x4x4_OES, |
| GL_COMPRESSED_RGBA_ASTC_5x4x4_OES, GL_COMPRESSED_RGBA_ASTC_5x5x4_OES, |
| GL_COMPRESSED_RGBA_ASTC_5x5x5_OES, GL_COMPRESSED_RGBA_ASTC_6x5x5_OES, |
| GL_COMPRESSED_RGBA_ASTC_6x6x5_OES, GL_COMPRESSED_RGBA_ASTC_6x6x6_OES, |
| GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES, |
| GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES, |
| GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES, |
| GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES, |
| GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES, GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for GL_ETC1_RGB8_OES support |
| static bool DetermineETC1RGB8TextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_ETC1_RGB8_OES, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for OES_compressed_ETC2_RGB8_texture support |
| static bool DetermineETC2RGB8TextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_COMPRESSED_RGB8_ETC2, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for OES_compressed_ETC2_sRGB8_texture support |
| static bool DetermineETC2sRGB8TextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_COMPRESSED_SRGB8_ETC2, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for OES_compressed_ETC2_punchthroughA_RGBA8_texture support |
| static bool DetermineETC2PunchthroughARGB8TextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for OES_compressed_ETC2_punchthroughA_sRGB8_alpha_texture support |
| static bool DetermineETC2PunchthroughAsRGB8AlphaTextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for OES_compressed_ETC2_RGBA8_texture support |
| static bool DetermineETC2RGBA8TextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_COMPRESSED_RGBA8_ETC2_EAC, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for OES_compressed_ETC2_sRGB8_alpha8_texture support |
| static bool DetermineETC2sRGB8Alpha8TextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for OES_compressed_EAC_R11_unsigned_texture support |
| static bool DetermineEACR11UnsignedTextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_COMPRESSED_R11_EAC, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for OES_compressed_EAC_R11_signed_texture support |
| static bool DetermineEACR11SignedTextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_COMPRESSED_SIGNED_R11_EAC, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for OES_compressed_EAC_RG11_unsigned_texture support |
| static bool DetermineEACRG11UnsignedTextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_COMPRESSED_RG11_EAC, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for OES_compressed_EAC_RG11_signed_texture support |
| static bool DetermineEACRG11SignedTextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_COMPRESSED_SIGNED_RG11_EAC, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for GL_EXT_sRGB support |
| 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, false) && |
| GetFormatSupport(textureCaps, requiredRenderFormats, true, false, true, true, false); |
| } |
| |
| // Check for GL_EXT_texture_sRGB_R8 support |
| static bool DetermineSRGBR8TextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFilterFormats[] = {GL_SR8_EXT}; |
| |
| return GetFormatSupport(textureCaps, requiredFilterFormats, true, true, false, false, false); |
| } |
| |
| // Check for GL_EXT_texture_sRGB_RG8 support |
| static bool DetermineSRGBRG8TextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFilterFormats[] = {GL_SRG8_EXT}; |
| |
| return GetFormatSupport(textureCaps, requiredFilterFormats, true, true, false, false, false); |
| } |
| |
| // Check for GL_ANGLE_depth_texture support |
| static bool DetermineDepthTextureANGLESupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_DEPTH_COMPONENT16, |
| #if !defined(ANGLE_PLATFORM_IOS) && \ |
| (!defined(ANGLE_PLATFORM_MACCATALYST) || !defined(ANGLE_CPU_ARM64)) |
| // anglebug.com/6082 |
| // TODO(dino): Temporarily Removing the need for GL_DEPTH_COMPONENT32_OES |
| // because it is not supported on iOS. |
| // TODO(dino): I think this needs to be a runtime check when running an iOS app on Mac. |
| GL_DEPTH_COMPONENT32_OES, |
| #endif |
| GL_DEPTH24_STENCIL8_OES, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, false, true, false, false); |
| } |
| |
| // Check for GL_OES_depth_texture support |
| static bool DetermineDepthTextureOESSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_DEPTH_COMPONENT16, |
| #if !defined(ANGLE_PLATFORM_IOS) && \ |
| (!defined(ANGLE_PLATFORM_MACCATALYST) || !defined(ANGLE_CPU_ARM64)) |
| // anglebug.com/6082 |
| // TODO(dino): Temporarily Removing the need for GL_DEPTH_COMPONENT32_OES |
| // because it is not supported on iOS. |
| // TODO(dino): I think this needs to be a runtime check when running an iOS app on Mac. |
| GL_DEPTH_COMPONENT32_OES, |
| #endif |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true, false); |
| } |
| |
| // Check for GL_OES_depth24 |
| static bool DetermineDepth24OESSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_DEPTH_COMPONENT24_OES, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, false, false, false, true, false); |
| } |
| |
| // Check for GL_OES_depth32 support |
| static bool DetermineDepth32Support(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_DEPTH_COMPONENT32_OES, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, false, false, true, true, false); |
| } |
| |
| // Check for GL_CHROMIUM_color_buffer_float_rgb support |
| static bool DetermineColorBufferFloatRGBSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_RGB32F, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, false, true, false, false); |
| } |
| |
| // Check for GL_CHROMIUM_color_buffer_float_rgba support |
| static bool DetermineColorBufferFloatRGBASupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_RGBA32F, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true, false); |
| } |
| |
| // Check for GL_EXT_color_buffer_float support |
| static bool DetermineColorBufferFloatSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum nonBlendableFormats[] = { |
| GL_R32F, |
| GL_RG32F, |
| GL_RGBA32F, |
| }; |
| |
| constexpr GLenum blendableFormats[] = { |
| GL_R16F, |
| GL_RG16F, |
| GL_RGBA16F, |
| GL_R11F_G11F_B10F, |
| }; |
| |
| return GetFormatSupport(textureCaps, nonBlendableFormats, true, false, true, true, false) && |
| GetFormatSupport(textureCaps, blendableFormats, true, false, true, true, true); |
| } |
| |
| // Check for GL_EXT_float_blend support |
| static bool DetermineFloatBlendSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_R32F, |
| GL_RG32F, |
| GL_RGBA32F, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, false, true, true, true); |
| } |
| |
| // Check for GL_EXT_texture_norm16 support |
| 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, false) && |
| GetFormatSupport(textureCaps, requiredRenderFormats, true, false, true, true, false); |
| } |
| |
| // Check for EXT_texture_compression_rgtc support |
| static bool DetermineRGTCTextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_COMPRESSED_RED_RGTC1_EXT, GL_COMPRESSED_SIGNED_RED_RGTC1_EXT, |
| GL_COMPRESSED_RED_GREEN_RGTC2_EXT, GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for EXT_texture_compression_bptc support |
| static bool DetermineBPTCTextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_COMPRESSED_RGBA_BPTC_UNORM_EXT, GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT, |
| GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT, GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT}; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for GL_IMG_texture_compression_pvrtc support |
| static bool DeterminePVRTCTextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG, GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG, |
| GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Check for GL_EXT_pvrtc_sRGB support |
| static bool DeterminePVRTCsRGBTextureSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_COMPRESSED_SRGB_PVRTC_2BPPV1_EXT, GL_COMPRESSED_SRGB_PVRTC_4BPPV1_EXT, |
| GL_COMPRESSED_SRGB_ALPHA_PVRTC_2BPPV1_EXT, GL_COMPRESSED_SRGB_ALPHA_PVRTC_4BPPV1_EXT}; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| bool DetermineCompressedTextureETCSupport(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = {GL_COMPRESSED_R11_EAC, |
| GL_COMPRESSED_SIGNED_R11_EAC, |
| GL_COMPRESSED_RG11_EAC, |
| GL_COMPRESSED_SIGNED_RG11_EAC, |
| GL_COMPRESSED_RGB8_ETC2, |
| GL_COMPRESSED_SRGB8_ETC2, |
| GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, |
| GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, |
| GL_COMPRESSED_RGBA8_ETC2_EAC, |
| GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC}; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, true, true, false, false, false); |
| } |
| |
| // Checks for GL_OES_texture_stencil8 support |
| static bool DetermineStencilIndex8Support(const TextureCapsMap &textureCaps) |
| { |
| constexpr GLenum requiredFormats[] = { |
| GL_STENCIL_INDEX8, |
| }; |
| |
| return GetFormatSupport(textureCaps, requiredFormats, false, false, true, false, false); |
| } |
| |
| void Extensions::setTextureExtensionSupport(const TextureCapsMap &textureCaps) |
| { |
| // TODO(ynovikov): rgb8Rgba8OES, colorBufferHalfFloatEXT, textureHalfFloatOES, |
| // textureHalfFloatLinearOES, textureFloatOES, textureFloatLinearOES, textureRgEXT, sRGB, |
| // colorBufferFloatRgbCHROMIUM, colorBufferFloatRgbaCHROMIUM and colorBufferFloatEXT were |
| // verified. Verify the rest. |
| packedDepthStencilOES = DeterminePackedDepthStencilSupport(textureCaps); |
| rgb8Rgba8OES = DetermineRGB8AndRGBA8TextureSupport(textureCaps); |
| readDepthNV = DetermineReadDepthSupport(textureCaps); |
| readStencilNV = DetermineReadStencilSupport(textureCaps); |
| depthBufferFloat2NV = DetermineDepthBufferFloat2Support(textureCaps); |
| textureFormatBGRA8888EXT = DetermineBGRA8TextureSupport(textureCaps); |
| readFormatBgraEXT = DetermineBGRAReadFormatSupport(textureCaps); |
| textureHalfFloatOES = DetermineHalfFloatTextureSupport(textureCaps); |
| textureHalfFloatLinearOES = |
| DetermineHalfFloatTextureFilteringSupport(textureCaps, textureHalfFloatOES); |
| textureFloatOES = DetermineFloatTextureSupport(textureCaps); |
| textureFloatLinearOES = DetermineFloatTextureFilteringSupport(textureCaps, textureFloatOES); |
| textureRgEXT = DetermineRGTextureSupport(textureCaps, textureHalfFloatOES, textureFloatOES); |
| colorBufferHalfFloatEXT = |
| textureHalfFloatOES && DetermineColorBufferHalfFloatSupport(textureCaps); |
| textureType2101010REVEXT = DetermineTextureFormat2101010Support(textureCaps); |
| textureCompressionDxt1EXT = DetermineDXT1TextureSupport(textureCaps); |
| textureCompressionDxt3ANGLE = DetermineDXT3TextureSupport(textureCaps); |
| textureCompressionDxt5ANGLE = DetermineDXT5TextureSupport(textureCaps); |
| textureCompressionS3tcSrgbEXT = DetermineS3TCsRGBTextureSupport(textureCaps); |
| textureCompressionAstcLdrKHR = DetermineASTCLDRTextureSupport(textureCaps); |
| textureCompressionAstcOES = DetermineASTCOESTExtureSupport(textureCaps); |
| compressedETC1RGB8TextureOES = DetermineETC1RGB8TextureSupport(textureCaps); |
| compressedETC2RGB8TextureOES = DetermineETC2RGB8TextureSupport(textureCaps); |
| compressedETC2SRGB8TextureOES = DetermineETC2sRGB8TextureSupport(textureCaps); |
| compressedETC2PunchthroughARGBA8TextureOES = |
| DetermineETC2PunchthroughARGB8TextureSupport(textureCaps); |
| compressedETC2PunchthroughASRGB8AlphaTextureOES = |
| DetermineETC2PunchthroughAsRGB8AlphaTextureSupport(textureCaps); |
| compressedETC2RGBA8TextureOES = DetermineETC2RGBA8TextureSupport(textureCaps); |
| compressedETC2SRGB8Alpha8TextureOES = DetermineETC2sRGB8Alpha8TextureSupport(textureCaps); |
| compressedEACR11UnsignedTextureOES = DetermineEACR11UnsignedTextureSupport(textureCaps); |
| compressedEACR11SignedTextureOES = DetermineEACR11SignedTextureSupport(textureCaps); |
| compressedEACRG11UnsignedTextureOES = DetermineEACRG11UnsignedTextureSupport(textureCaps); |
| compressedEACRG11SignedTextureOES = DetermineEACRG11SignedTextureSupport(textureCaps); |
| sRGBEXT = DetermineSRGBTextureSupport(textureCaps); |
| textureSRGBR8EXT = DetermineSRGBR8TextureSupport(textureCaps); |
| textureSRGBRG8EXT = DetermineSRGBRG8TextureSupport(textureCaps); |
| depthTextureANGLE = DetermineDepthTextureANGLESupport(textureCaps); |
| depthTextureOES = DetermineDepthTextureOESSupport(textureCaps); |
| depth24OES = DetermineDepth24OESSupport(textureCaps); |
| depth32OES = DetermineDepth32Support(textureCaps); |
| colorBufferFloatRgbCHROMIUM = DetermineColorBufferFloatRGBSupport(textureCaps); |
| colorBufferFloatRgbaCHROMIUM = DetermineColorBufferFloatRGBASupport(textureCaps); |
| colorBufferFloatEXT = DetermineColorBufferFloatSupport(textureCaps); |
| floatBlendEXT = DetermineFloatBlendSupport(textureCaps); |
| textureNorm16EXT = DetermineTextureNorm16Support(textureCaps); |
| textureCompressionRgtcEXT = DetermineRGTCTextureSupport(textureCaps); |
| textureCompressionBptcEXT = DetermineBPTCTextureSupport(textureCaps); |
| textureCompressionPvrtcIMG = DeterminePVRTCTextureSupport(textureCaps); |
| pvrtcSRGBEXT = DeterminePVRTCsRGBTextureSupport(textureCaps); |
| textureStencil8OES = DetermineStencilIndex8Support(textureCaps); |
| } |
| |
| TypePrecision::TypePrecision() = default; |
| |
| TypePrecision::TypePrecision(const TypePrecision &other) = default; |
| |
| TypePrecision &TypePrecision::operator=(const TypePrecision &other) = default; |
| |
| void TypePrecision::setIEEEFloat() |
| { |
| range = {{127, 127}}; |
| precision = 23; |
| } |
| |
| void TypePrecision::setIEEEHalfFloat() |
| { |
| range = {{15, 15}}; |
| precision = 10; |
| } |
| |
| 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() = default; |
| Caps::Caps(const Caps &other) = default; |
| Caps::~Caps() = default; |
| Caps &Caps::operator=(const Caps &other) = 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; |
| |
| // Table 3.35 |
| caps.maxSamples = 4; |
| } |
| |
| 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] = limits::kMinimumShaderUniformBlocks; |
| caps.maxVertexOutputComponents = limits::kMinimumVertexOutputComponents; |
| caps.maxShaderTextureImageUnits[ShaderType::Vertex] = 16; |
| |
| // Table 6.32 |
| caps.maxShaderUniformComponents[ShaderType::Fragment] = 896; |
| caps.maxFragmentUniformVectors = 224; |
| caps.maxShaderUniformBlocks[ShaderType::Fragment] = limits::kMinimumShaderUniformBlocks; |
| 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; |
| } |
| |
| 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] = limits::kMinimumShaderUniformBlocks; |
| 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.textureRectangleANGLE) |
| { |
| caps.maxRectangleTextureSize = 64; |
| } |
| |
| if (extensions.geometryShaderAny()) |
| { |
| // 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] = limits::kMinimumShaderUniformBlocks; |
| 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; |
| } |
| |
| if (extensions.tessellationShaderEXT) |
| { |
| // Table 20.43 "Implementation Dependent Tessellation Shader Limits" |
| caps.maxTessControlInputComponents = 64; |
| caps.maxTessControlOutputComponents = 64; |
| caps.maxShaderTextureImageUnits[ShaderType::TessControl] = 16; |
| caps.maxShaderUniformComponents[ShaderType::TessControl] = 1024; |
| caps.maxTessControlTotalOutputComponents = 2048; |
| caps.maxShaderImageUniforms[ShaderType::TessControl] = 0; |
| caps.maxShaderAtomicCounters[ShaderType::TessControl] = 0; |
| caps.maxShaderAtomicCounterBuffers[ShaderType::TessControl] = 0; |
| |
| caps.maxTessPatchComponents = 120; |
| caps.maxPatchVertices = 32; |
| caps.maxTessGenLevel = 64; |
| |
| caps.maxTessEvaluationInputComponents = 64; |
| caps.maxTessEvaluationOutputComponents = 64; |
| caps.maxShaderTextureImageUnits[ShaderType::TessEvaluation] = 16; |
| caps.maxShaderUniformComponents[ShaderType::TessEvaluation] = 1024; |
| caps.maxShaderImageUniforms[ShaderType::TessEvaluation] = 0; |
| caps.maxShaderAtomicCounters[ShaderType::TessEvaluation] = 0; |
| caps.maxShaderAtomicCounterBuffers[ShaderType::TessEvaluation] = 0; |
| |
| // Table 20.46 "Implementation Dependent Aggregate Shader Limits" |
| caps.maxUniformBufferBindings = 72; |
| caps.maxCombinedUniformBlocks = 60; |
| caps.maxCombinedTextureImageUnits = 96; |
| } |
| |
| for (ShaderType shaderType : AllShaderTypes()) |
| { |
| caps.maxCombinedShaderUniformComponents[shaderType] = |
| caps.maxShaderUniformBlocks[shaderType] * |
| static_cast<GLuint>(caps.maxUniformBlockSize / 4) + |
| caps.maxShaderUniformComponents[shaderType]; |
| } |
| |
| return caps; |
| } |
| } // namespace gl |
| |
| namespace egl |
| { |
| |
| Caps::Caps() = default; |
| |
| DisplayExtensions::DisplayExtensions() = default; |
| |
| 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_ANGLE_windows_ui_composition", windowsUIComposition, &extensionStrings); |
| InsertExtensionString("EGL_NV_post_sub_buffer", postSubBuffer, &extensionStrings); |
| InsertExtensionString("EGL_KHR_create_context", createContext, &extensionStrings); |
| InsertExtensionString("EGL_KHR_image", image, &extensionStrings); |
| InsertExtensionString("EGL_KHR_image_base", imageBase, &extensionStrings); |
| InsertExtensionString("EGL_KHR_image_pixmap", imagePixmap, &extensionStrings); |
| InsertExtensionString("EGL_EXT_image_gl_colorspace", imageGlColorspace, &extensionStrings); |
| InsertExtensionString("EGL_KHR_gl_colorspace", glColorspace, &extensionStrings); |
| InsertExtensionString("EGL_EXT_gl_colorspace_scrgb", glColorspaceScrgb, &extensionStrings); |
| InsertExtensionString("EGL_EXT_gl_colorspace_scrgb_linear", glColorspaceScrgbLinear, &extensionStrings); |
| InsertExtensionString("EGL_EXT_gl_colorspace_display_p3", glColorspaceDisplayP3, &extensionStrings); |
| InsertExtensionString("EGL_EXT_gl_colorspace_display_p3_linear", glColorspaceDisplayP3Linear, &extensionStrings); |
| InsertExtensionString("EGL_EXT_gl_colorspace_display_p3_passthrough", glColorspaceDisplayP3Passthrough, &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_KHR_fence_sync", fenceSync, &extensionStrings); |
| InsertExtensionString("EGL_KHR_wait_sync", waitSync, &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", syncControlCHROMIUM, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_sync_control_rate", syncControlRateANGLE, &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_display_semaphore_share_group", displaySemaphoreShareGroup, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_create_context_client_arrays", createContextClientArrays, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_program_cache_control", programCacheControlANGLE, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_robust_resource_initialization", robustResourceInitializationANGLE, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_iosurface_client_buffer", iosurfaceClientBuffer, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_metal_texture_client_buffer", mtlTextureClientBuffer, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_create_context_extensions_enabled", createContextExtensionsEnabled, &extensionStrings); |
| InsertExtensionString("EGL_ANDROID_presentation_time", presentationTime, &extensionStrings); |
| InsertExtensionString("EGL_ANDROID_blob_cache", blobCache, &extensionStrings); |
| InsertExtensionString("EGL_ANDROID_framebuffer_target", framebufferTargetANDROID, &extensionStrings); |
| InsertExtensionString("EGL_ANDROID_image_native_buffer", imageNativeBuffer, &extensionStrings); |
| InsertExtensionString("EGL_ANDROID_get_frame_timestamps", getFrameTimestamps, &extensionStrings); |
| InsertExtensionString("EGL_ANDROID_recordable", recordable, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_power_preference", powerPreference, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_image_d3d11_texture", imageD3D11Texture, &extensionStrings); |
| InsertExtensionString("EGL_ANDROID_create_native_client_buffer", createNativeClientBufferANDROID, &extensionStrings); |
| InsertExtensionString("EGL_ANDROID_get_native_client_buffer", getNativeClientBufferANDROID, &extensionStrings); |
| InsertExtensionString("EGL_ANDROID_native_fence_sync", nativeFenceSyncANDROID, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_create_context_backwards_compatible", createContextBackwardsCompatible, &extensionStrings); |
| InsertExtensionString("EGL_KHR_no_config_context", noConfigContext, &extensionStrings); |
| InsertExtensionString("EGL_IMG_context_priority", contextPriority, &extensionStrings); |
| InsertExtensionString("EGL_KHR_create_context_no_error", createContextNoError, &extensionStrings); |
| InsertExtensionString("EGL_EXT_image_dma_buf_import", imageDmaBufImportEXT, &extensionStrings); |
| InsertExtensionString("EGL_EXT_image_dma_buf_import_modifiers", imageDmaBufImportModifiersEXT, &extensionStrings); |
| InsertExtensionString("EGL_NOK_texture_from_pixmap", textureFromPixmapNOK, &extensionStrings); |
| InsertExtensionString("EGL_NV_robustness_video_memory_purge", robustnessVideoMemoryPurgeNV, &extensionStrings); |
| InsertExtensionString("EGL_KHR_reusable_sync", reusableSyncKHR, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_external_context_and_surface", externalContextAndSurface, &extensionStrings); |
| InsertExtensionString("EGL_EXT_buffer_age", bufferAgeEXT, &extensionStrings); |
| InsertExtensionString("EGL_KHR_mutable_render_buffer", mutableRenderBufferKHR, &extensionStrings); |
| InsertExtensionString("EGL_EXT_protected_content", protectedContentEXT, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_create_surface_swap_interval", createSurfaceSwapIntervalANGLE, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_context_virtualization", contextVirtualizationANGLE, &extensionStrings); |
| InsertExtensionString("EGL_KHR_lock_surface3", lockSurface3KHR, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_vulkan_image", vulkanImageANGLE, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_metal_create_context_ownership_identity", metalCreateContextOwnershipIdentityANGLE, &extensionStrings); |
| InsertExtensionString("EGL_KHR_partial_update", partialUpdateKHR, &extensionStrings); |
| // clang-format on |
| |
| return extensionStrings; |
| } |
| |
| DeviceExtensions::DeviceExtensions() = default; |
| |
| 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); |
| InsertExtensionString("EGL_ANGLE_device_cgl", deviceCGL, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_device_eagl", deviceEAGL, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_device_metal", deviceMetal, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_device_vulkan", deviceVulkan, &extensionStrings); |
| |
| // clang-format on |
| |
| return extensionStrings; |
| } |
| |
| ClientExtensions::ClientExtensions() = default; |
| 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_device_query", deviceQueryEXT, &extensionStrings); |
| InsertExtensionString("EGL_EXT_platform_base", platformBase, &extensionStrings); |
| InsertExtensionString("EGL_EXT_platform_device", platformDevice, &extensionStrings); |
| InsertExtensionString("EGL_KHR_platform_gbm", platformGbmKHR, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_platform_angle", platformANGLE, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_platform_angle_d3d", platformANGLED3D, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_platform_angle_d3d11on12", platformANGLED3D11ON12, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_platform_angle_device_type_egl_angle", platformANGLEDeviceTypeEGLANGLE, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_platform_angle_device_type_swiftshader", platformANGLEDeviceTypeSwiftShader, &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_metal", platformANGLEMetal, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_platform_device_context_volatile_eagl", platformANGLEDeviceContextVolatileEagl, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_platform_device_context_volatile_cgl", platformANGLEDeviceContextVolatileCgl, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_platform_angle_device_id", platformANGLEDeviceId, &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_feature_control", featureControlANGLE, &extensionStrings); |
| InsertExtensionString("EGL_ANGLE_display_power_preference", displayPowerPreferenceANGLE, &extensionStrings); |
| // clang-format on |
| |
| return extensionStrings; |
| } |
| |
| } // namespace egl |
