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Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/Caps.h')
| -rw-r--r-- | src/3rdparty/angle/src/libGLESv2/Caps.h | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/Caps.h b/src/3rdparty/angle/src/libGLESv2/Caps.h new file mode 100644 index 0000000000..a08618ec9c --- /dev/null +++ b/src/3rdparty/angle/src/libGLESv2/Caps.h @@ -0,0 +1,222 @@ +#ifndef LIBGLESV2_CAPS_H +#define LIBGLESV2_CAPS_H + +// +// 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 "angle_gl.h" + +#include <set> +#include <unordered_map> +#include <vector> +#include <string> + +namespace gl +{ + +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; + + std::set<GLuint> sampleCounts; +}; + +class TextureCapsMap +{ + public: + typedef std::unordered_map<GLenum, TextureCaps>::const_iterator const_iterator; + + void insert(GLenum internalFormat, const TextureCaps &caps); + void remove(GLenum internalFormat); + + const TextureCaps &get(GLenum internalFormat) const; + + const_iterator begin() const; + const_iterator end() const; + + size_t size() const; + + private: + typedef std::unordered_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_rgb8_rgba8 + // GL_EXT_texture_format_BGRA8888 + // 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_ANGLE_depth_texture + // GL_EXT_color_buffer_float + 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_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_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_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_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_frag_depth + bool fragDepth; + + // GL_ANGLE_texture_usage + bool textureUsage; + + // GL_ANGLE_translated_shader_source + bool translatedShaderSource; + + // ES3 Extension support + + // GL_EXT_color_buffer_float + bool colorBufferFloat; +}; + +struct Caps +{ + Caps(); + + // Table 6.28, implementation dependent values + GLuint64 maxElementIndex; + GLuint max3DTextureSize; + GLuint max2DTextureSize; + GLuint maxArrayTextureLayers; + GLfloat maxLODBias; + GLuint maxCubeMapTextureSize; + GLuint maxRenderbufferSize; + GLuint maxDrawBuffers; + GLuint maxColorAttachments; + GLuint maxViewportWidth; + GLuint maxViewportHeight; + GLfloat minAliasedPointSize; + GLfloat maxAliasedPointSize; + GLfloat minAliasedLineWidth; + GLfloat maxAliasedLineWidth; + +}; + +} + +#endif // LIBGLESV2_CAPS_H |