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Diffstat (limited to 'gfx/angle/src/libANGLE/Caps.h')
| -rwxr-xr-x | gfx/angle/src/libANGLE/Caps.h | 678 |
1 files changed, 678 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/Caps.h b/gfx/angle/src/libANGLE/Caps.h new file mode 100755 index 000000000..277b4a490 --- /dev/null +++ b/gfx/angle/src/libANGLE/Caps.h @@ -0,0 +1,678 @@ +// +// 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. +// + +#ifndef LIBANGLE_CAPS_H_ +#define LIBANGLE_CAPS_H_ + +#include "angle_gl.h" +#include "libANGLE/angletypes.h" + +#include <map> +#include <set> +#include <string> +#include <vector> +#include <array> + +namespace gl +{ + +typedef std::set<GLuint> SupportedSampleSet; + +struct TextureCaps +{ + TextureCaps(); + + // Supports for basic texturing: glTexImage, glTexSubImage, etc + bool texturable; + + // Support for linear or anisotropic filtering + bool filterable; + + // Support for being used as a framebuffer attachment or renderbuffer format + bool renderable; + + // Set of supported sample counts, only guaranteed to be valid in ES3. + SupportedSampleSet sampleCounts; + + // Get the maximum number of samples supported + GLuint getMaxSamples() const; + + // Get the number of supported samples that is at least as many as requested. Returns 0 if + // there are no sample counts available + GLuint getNearestSamples(GLuint requestedSamples) const; +}; + +class TextureCapsMap +{ + public: + typedef std::map<GLenum, TextureCaps>::const_iterator const_iterator; + + void insert(GLenum internalFormat, const TextureCaps &caps); + void remove(GLenum internalFormat); + void clear(); + + const TextureCaps &get(GLenum internalFormat) const; + + const_iterator begin() const; + const_iterator end() const; + + size_t size() const; + + private: + typedef std::map<GLenum, TextureCaps> InternalFormatToCapsMap; + InternalFormatToCapsMap mCapsMap; +}; + +struct Extensions +{ + Extensions(); + + // Generate a vector of supported extension strings + std::vector<std::string> getStrings() const; + + // Set all texture related extension support based on the supported textures. + // Determines support for: + // GL_OES_packed_depth_stencil + // GL_OES_rgb8_rgba8 + // GL_EXT_texture_format_BGRA8888 + // GL_EXT_color_buffer_half_float, + // GL_OES_texture_half_float, GL_OES_texture_half_float_linear + // GL_OES_texture_float, GL_OES_texture_float_linear + // GL_EXT_texture_rg + // GL_EXT_texture_compression_dxt1, GL_ANGLE_texture_compression_dxt3, + // GL_ANGLE_texture_compression_dxt5 + // GL_KHR_texture_compression_astc_hdr, GL_KHR_texture_compression_astc_ldr + // GL_OES_compressed_ETC1_RGB8_texture + // GL_EXT_sRGB + // GL_ANGLE_depth_texture, GL_OES_depth32 + // GL_EXT_color_buffer_float + // GL_EXT_texture_norm16 + void setTextureExtensionSupport(const TextureCapsMap &textureCaps); + + // ES2 Extension support + + // GL_OES_element_index_uint + bool elementIndexUint; + + // GL_OES_packed_depth_stencil + bool packedDepthStencil; + + // GL_OES_get_program_binary + bool getProgramBinary; + + // GL_OES_rgb8_rgba8 + // Implies that TextureCaps for GL_RGB8 and GL_RGBA8 exist + bool rgb8rgba8; + + // GL_EXT_texture_format_BGRA8888 + // Implies that TextureCaps for GL_BGRA8 exist + bool textureFormatBGRA8888; + + // GL_EXT_read_format_bgra + bool readFormatBGRA; + + // GL_NV_pixel_buffer_object + bool pixelBufferObject; + + // GL_OES_mapbuffer and GL_EXT_map_buffer_range + bool mapBuffer; + bool mapBufferRange; + + // GL_EXT_color_buffer_half_float + // Together with GL_OES_texture_half_float in a GLES 2.0 context, implies that half-float + // textures are renderable. + bool colorBufferHalfFloat; + + // GL_OES_texture_half_float and GL_OES_texture_half_float_linear + // Implies that TextureCaps for GL_RGB16F, GL_RGBA16F, GL_ALPHA32F_EXT, GL_LUMINANCE32F_EXT and + // GL_LUMINANCE_ALPHA32F_EXT exist + bool textureHalfFloat; + bool textureHalfFloatLinear; + + // GL_OES_texture_float and GL_OES_texture_float_linear + // Implies that TextureCaps for GL_RGB32F, GL_RGBA32F, GL_ALPHA16F_EXT, GL_LUMINANCE16F_EXT and + // GL_LUMINANCE_ALPHA16F_EXT exist + bool textureFloat; + bool textureFloatLinear; + + // GL_EXT_texture_rg + // Implies that TextureCaps for GL_R8, GL_RG8 (and floating point R/RG texture formats if floating point extensions + // are also present) exist + bool textureRG; + + // GL_EXT_texture_compression_dxt1, GL_ANGLE_texture_compression_dxt3 and GL_ANGLE_texture_compression_dxt5 + // Implies that TextureCaps for GL_COMPRESSED_RGB_S3TC_DXT1_EXT, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT + // GL_COMPRESSED_RGBA_S3TC_DXT3_ANGLE and GL_COMPRESSED_RGBA_S3TC_DXT5_ANGLE + bool textureCompressionDXT1; + bool textureCompressionDXT3; + bool textureCompressionDXT5; + + // GL_KHR_texture_compression_astc_hdr + bool textureCompressionASTCHDR; + + // GL_KHR_texture_compression_astc_ldr + bool textureCompressionASTCLDR; + + // GL_OES_compressed_ETC1_RGB8_texture + // Implies that TextureCaps for GL_ETC1_RGB8_OES exist + bool compressedETC1RGB8Texture; + + // GL_EXT_sRGB + // Implies that TextureCaps for GL_SRGB8_ALPHA8 and GL_SRGB8 exist + // TODO: Don't advertise this extension in ES3 + bool sRGB; + + // GL_ANGLE_depth_texture + bool depthTextures; + + // GL_OES_depth32 + // Allows DEPTH_COMPONENT32_OES as a valid Renderbuffer format. + bool depth32; + + // GL_EXT_texture_storage + bool textureStorage; + + // GL_OES_texture_npot + bool textureNPOT; + + // GL_EXT_draw_buffers + bool drawBuffers; + + // GL_EXT_texture_filter_anisotropic + bool textureFilterAnisotropic; + GLfloat maxTextureAnisotropy; + + // GL_EXT_occlusion_query_boolean + bool occlusionQueryBoolean; + + // GL_NV_fence + bool fence; + + // GL_ANGLE_timer_query + bool timerQuery; + + // GL_EXT_disjoint_timer_query + bool disjointTimerQuery; + GLuint queryCounterBitsTimeElapsed; + GLuint queryCounterBitsTimestamp; + + // GL_EXT_robustness + bool robustness; + + // GL_EXT_blend_minmax + bool blendMinMax; + + // GL_ANGLE_framebuffer_blit + bool framebufferBlit; + + // GL_ANGLE_framebuffer_multisample + bool framebufferMultisample; + + // GL_ANGLE_instanced_arrays + bool instancedArrays; + + // GL_ANGLE_pack_reverse_row_order + bool packReverseRowOrder; + + // GL_OES_standard_derivatives + bool standardDerivatives; + + // GL_EXT_shader_texture_lod + bool shaderTextureLOD; + + // GL_EXT_shader_framebuffer_fetch + bool shaderFramebufferFetch; + + // GL_ARM_shader_framebuffer_fetch + bool ARMshaderFramebufferFetch; + + // GL_NV_shader_framebuffer_fetch + bool NVshaderFramebufferFetch; + + // GL_EXT_frag_depth + bool fragDepth; + + // GL_ANGLE_texture_usage + bool textureUsage; + + // GL_ANGLE_translated_shader_source + bool translatedShaderSource; + + // GL_OES_fbo_render_mipmap + bool fboRenderMipmap; + + // GL_EXT_discard_framebuffer + bool discardFramebuffer; + + // EXT_debug_marker + bool debugMarker; + + // GL_OES_EGL_image + bool eglImage; + + // GL_OES_EGL_image_external + bool eglImageExternal; + + // GL_OES_EGL_image_external_essl3 + bool eglImageExternalEssl3; + + // NV_EGL_stream_consumer_external + bool eglStreamConsumerExternal; + + // EXT_unpack_subimage + bool unpackSubimage; + + // NV_pack_subimage + bool packSubimage; + + // GL_OES_vertex_array_object + bool vertexArrayObject; + + // GL_KHR_debug + bool debug; + GLuint maxDebugMessageLength; + GLuint maxDebugLoggedMessages; + GLuint maxDebugGroupStackDepth; + GLuint maxLabelLength; + + // KHR_no_error + bool noError; + + // GL_ANGLE_lossy_etc_decode + bool lossyETCDecode; + + // GL_CHROMIUM_bind_uniform_location + bool bindUniformLocation; + + // GL_CHROMIUM_sync_query + bool syncQuery; + + // GL_CHROMIUM_copy_texture + bool copyTexture; + + // GL_CHROMIUM_copy_compressed_texture + bool copyCompressedTexture; + + // GL_ANGLE_webgl_compatibility + bool webglCompatibility; + + // GL_CHROMIUM_bind_generates_resource + bool bindGeneratesResource; + + // GL_ANGLE_robust_client_memory + bool robustClientMemory; + + // GL_EXT_texture_sRGB_decode + bool textureSRGBDecode; + + // GL_EXT_sRGB_write_control + bool sRGBWriteControl; + + // ES3 Extension support + + // GL_EXT_color_buffer_float + bool colorBufferFloat; + + // GL_EXT_multisample_compatibility. + // written against ES 3.1 but can apply to earlier versions. + bool multisampleCompatibility; + + // GL_CHROMIUM_framebuffer_mixed_samples + bool framebufferMixedSamples; + + // GL_EXT_texture_norm16 + // written against ES 3.1 but can apply to ES 3.0 as well. + bool textureNorm16; + + // GL_CHROMIUM_path_rendering + bool pathRendering; +}; + +struct ExtensionInfo +{ + // If this extension can be enabled with glEnableExtension (GL_ANGLE_webgl_compatibility) + bool Enableable = false; + + // Pointer to a boolean member of the Extensions struct + typedef bool(Extensions::*ExtensionBool); + ExtensionBool ExtensionsMember = nullptr; +}; + +using ExtensionInfoMap = std::map<std::string, ExtensionInfo>; +const ExtensionInfoMap &GetExtensionInfoMap(); + +struct Limitations +{ + Limitations(); + + // Renderer doesn't support gl_FrontFacing in fragment shaders + bool noFrontFacingSupport; + + // Renderer doesn't support GL_SAMPLE_ALPHA_TO_COVERAGE + bool noSampleAlphaToCoverageSupport; + + // In glVertexAttribDivisorANGLE, attribute zero must have a zero divisor + bool attributeZeroRequiresZeroDivisorInEXT; + + // Unable to support different values for front and back faces for stencil refs and masks + bool noSeparateStencilRefsAndMasks; + + // Renderer doesn't support non-constant indexing loops in fragment shader + bool shadersRequireIndexedLoopValidation; + + // Renderer doesn't support Simultaneous use of GL_CONSTANT_ALPHA/GL_ONE_MINUS_CONSTANT_ALPHA + // and GL_CONSTANT_COLOR/GL_ONE_MINUS_CONSTANT_COLOR blend functions. + bool noSimultaneousConstantColorAndAlphaBlendFunc; +}; + +struct TypePrecision +{ + TypePrecision(); + + void setIEEEFloat(); + void setTwosComplementInt(unsigned int bits); + void setSimulatedInt(unsigned int range); + + void get(GLint *returnRange, GLint *returnPrecision) const; + + GLint range[2]; + GLint precision; +}; + +struct Caps +{ + Caps(); + + // ES 3.1 (April 29, 2015) 20.39: implementation dependent values + GLuint64 maxElementIndex; + GLuint max3DTextureSize; + GLuint max2DTextureSize; + GLuint maxArrayTextureLayers; + GLfloat maxLODBias; + GLuint maxCubeMapTextureSize; + GLuint maxRenderbufferSize; + GLfloat minAliasedPointSize; + GLfloat maxAliasedPointSize; + GLfloat minAliasedLineWidth; + GLfloat maxAliasedLineWidth; + + // ES 3.1 (April 29, 2015) 20.40: implementation dependent values (cont.) + GLuint maxDrawBuffers; + GLuint maxFramebufferWidth; + GLuint maxFramebufferHeight; + GLuint maxFramebufferSamples; + GLuint maxColorAttachments; + GLuint maxViewportWidth; + GLuint maxViewportHeight; + GLuint maxSampleMaskWords; + GLuint maxColorTextureSamples; + GLuint maxDepthTextureSamples; + GLuint maxIntegerSamples; + GLuint64 maxServerWaitTimeout; + + // ES 3.1 (April 29, 2015) Table 20.41: Implementation dependent values (cont.) + GLint maxVertexAttribRelativeOffset; + GLint maxVertexAttribBindings; + GLint maxVertexAttribStride; + GLuint maxElementsIndices; + GLuint maxElementsVertices; + std::vector<GLenum> compressedTextureFormats; + std::vector<GLenum> programBinaryFormats; + std::vector<GLenum> shaderBinaryFormats; + TypePrecision vertexHighpFloat; + TypePrecision vertexMediumpFloat; + TypePrecision vertexLowpFloat; + TypePrecision vertexHighpInt; + TypePrecision vertexMediumpInt; + TypePrecision vertexLowpInt; + TypePrecision fragmentHighpFloat; + TypePrecision fragmentMediumpFloat; + TypePrecision fragmentLowpFloat; + TypePrecision fragmentHighpInt; + TypePrecision fragmentMediumpInt; + TypePrecision fragmentLowpInt; + + // ES 3.1 (April 29, 2015) Table 20.43: Implementation dependent Vertex shader limits + GLuint maxVertexAttributes; + GLuint maxVertexUniformComponents; + GLuint maxVertexUniformVectors; + GLuint maxVertexUniformBlocks; + GLuint maxVertexOutputComponents; + GLuint maxVertexTextureImageUnits; + GLuint maxVertexAtomicCounterBuffers; + GLuint maxVertexAtomicCounters; + GLuint maxVertexImageUniforms; + GLuint maxVertexShaderStorageBlocks; + + // ES 3.1 (April 29, 2015) Table 20.44: Implementation dependent Fragment shader limits + GLuint maxFragmentUniformComponents; + GLuint maxFragmentUniformVectors; + GLuint maxFragmentUniformBlocks; + GLuint maxFragmentInputComponents; + GLuint maxTextureImageUnits; + GLuint maxFragmentAtomicCounterBuffers; + GLuint maxFragmentAtomicCounters; + GLuint maxFragmentImageUniforms; + GLuint maxFragmentShaderStorageBlocks; + GLint minProgramTextureGatherOffset; + GLuint maxProgramTextureGatherOffset; + GLint minProgramTexelOffset; + GLint maxProgramTexelOffset; + + // ES 3.1 (April 29, 2015) Table 20.45: implementation dependent compute shader limits + std::array<GLuint, 3> maxComputeWorkGroupCount; + std::array<GLuint, 3> maxComputeWorkGroupSize; + GLuint maxComputeWorkGroupInvocations; + GLuint maxComputeUniformBlocks; + GLuint maxComputeTextureImageUnits; + GLuint maxComputeSharedMemorySize; + GLuint maxComputeUniformComponents; + GLuint maxComputeAtomicCounterBuffers; + GLuint maxComputeAtomicCounters; + GLuint maxComputeImageUniforms; + GLuint maxCombinedComputeUniformComponents; + GLuint maxComputeShaderStorageBlocks; + + // ES 3.1 (April 29, 2015) Table 20.46: implementation dependent aggregate shader limits + GLuint maxUniformBufferBindings; + GLuint64 maxUniformBlockSize; + GLuint uniformBufferOffsetAlignment; + GLuint maxCombinedUniformBlocks; + GLuint64 maxCombinedVertexUniformComponents; + GLuint64 maxCombinedFragmentUniformComponents; + GLuint maxVaryingComponents; + GLuint maxVaryingVectors; + GLuint maxCombinedTextureImageUnits; + GLuint maxCombinedShaderOutputResources; + + // ES 3.1 (April 29, 2015) Table 20.47: implementation dependent aggregate shader limits (cont.) + GLuint maxUniformLocations; + GLuint maxAtomicCounterBufferBindings; + GLuint maxAtomicCounterBufferSize; + GLuint maxCombinedAtomicCounterBuffers; + GLuint maxCombinedAtomicCounters; + GLuint maxImageUnits; + GLuint maxCombinedImageUniforms; + GLuint maxShaderStorageBufferBindings; + GLuint64 maxShaderStorageBlockSize; + GLuint maxCombinedShaderStorageBlocks; + GLuint shaderStorageBufferOffsetAlignment; + + // ES 3.1 (April 29, 2015) Table 20.48: implementation dependent transform feedback limits + GLuint maxTransformFeedbackInterleavedComponents; + GLuint maxTransformFeedbackSeparateAttributes; + GLuint maxTransformFeedbackSeparateComponents; + + // ES 3.1 (April 29, 2015) Table 20.49: Framebuffer Dependent Values + GLuint maxSamples; +}; + +} + +namespace egl +{ + +struct Caps +{ + Caps(); + + // Support for NPOT surfaces + bool textureNPOT; +}; + +struct DisplayExtensions +{ + DisplayExtensions(); + + // Generate a vector of supported extension strings + std::vector<std::string> getStrings() const; + + // EGL_EXT_create_context_robustness + bool createContextRobustness; + + // EGL_ANGLE_d3d_share_handle_client_buffer + bool d3dShareHandleClientBuffer; + + // EGL_ANGLE_d3d_texture_client_buffer + bool d3dTextureClientBuffer; + + // EGL_ANGLE_surface_d3d_texture_2d_share_handle + bool surfaceD3DTexture2DShareHandle; + + // EGL_ANGLE_query_surface_pointer + bool querySurfacePointer; + + // EGL_ANGLE_window_fixed_size + bool windowFixedSize; + + // EGL_ANGLE_keyed_mutex + bool keyedMutex; + + // EGL_ANGLE_surface_orientation + bool surfaceOrientation; + + // EGL_NV_post_sub_buffer + bool postSubBuffer; + + // EGL_KHR_create_context + bool createContext; + + // EGL_EXT_device_query + bool deviceQuery; + + // EGL_KHR_image + bool image; + + // EGL_KHR_image_base + bool imageBase; + + // EGL_KHR_image_pixmap + bool imagePixmap; + + // EGL_KHR_gl_texture_2D_image + bool glTexture2DImage; + + // EGL_KHR_gl_texture_cubemap_image + bool glTextureCubemapImage; + + // EGL_KHR_gl_texture_3D_image + bool glTexture3DImage; + + // EGL_KHR_gl_renderbuffer_image + bool glRenderbufferImage; + + // EGL_KHR_get_all_proc_addresses + bool getAllProcAddresses; + + // EGL_ANGLE_flexible_surface_compatibility + bool flexibleSurfaceCompatibility; + + // EGL_ANGLE_direct_composition + bool directComposition; + + // KHR_create_context_no_error + bool createContextNoError; + + // EGL_KHR_stream + bool stream; + + // EGL_KHR_stream_consumer_gltexture + bool streamConsumerGLTexture; + + // EGL_NV_stream_consumer_gltexture_yuv + bool streamConsumerGLTextureYUV; + + // EGL_ANGLE_stream_producer_d3d_texture_nv12 + bool streamProducerD3DTextureNV12; + + // EGL_ANGLE_create_context_webgl_compatibility + bool createContextWebGLCompatibility; + + // EGL_CHROMIUM_create_context_bind_generates_resource + bool createContextBindGeneratesResource; + + // EGL_EXT_swap_buffers_with_damage + bool swapBuffersWithDamage; +}; + +struct DeviceExtensions +{ + DeviceExtensions(); + + // Generate a vector of supported extension strings + std::vector<std::string> getStrings() const; + + // EGL_ANGLE_device_d3d + bool deviceD3D; +}; + +struct ClientExtensions +{ + ClientExtensions(); + + // Generate a vector of supported extension strings + std::vector<std::string> getStrings() const; + + // EGL_EXT_client_extensions + bool clientExtensions; + + // EGL_EXT_platform_base + bool platformBase; + + // EGL_EXT_platform_device + bool platformDevice; + + // EGL_ANGLE_platform_angle + bool platformANGLE; + + // EGL_ANGLE_platform_angle_d3d + bool platformANGLED3D; + + // EGL_ANGLE_platform_angle_opengl + bool platformANGLEOpenGL; + + // EGL_ANGLE_platform_angle_null + bool platformANGLENULL; + + // EGL_ANGLE_device_creation + bool deviceCreation; + + // EGL_ANGLE_device_creation_d3d11 + bool deviceCreationD3D11; + + // EGL_ANGLE_x11_visual + bool x11Visual; + + // EGL_ANGLE_experimental_present_path + bool experimentalPresentPath; + + // EGL_KHR_client_get_all_proc_addresses + bool clientGetAllProcAddresses; +}; + +} + +#endif // LIBANGLE_CAPS_H_ |