| // Copyright (c) 2012 The Chromium 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 GPU_COMMAND_BUFFER_SERVICE_FEATURE_INFO_H_ |
| #define GPU_COMMAND_BUFFER_SERVICE_FEATURE_INFO_H_ |
| |
| #include <memory> |
| #include <string> |
| |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "gpu/command_buffer/common/context_creation_attribs.h" |
| #include "gpu/command_buffer/common/gpu_memory_buffer_support.h" |
| #include "gpu/command_buffer/service/gles2_cmd_decoder.h" |
| #include "gpu/command_buffer/service/gles2_cmd_validation.h" |
| #include "gpu/config/gpu_driver_bug_workarounds.h" |
| #include "gpu/config/gpu_feature_info.h" |
| #include "gpu/gpu_gles2_export.h" |
| #include "ui/gfx/extension_set.h" |
| |
| namespace base { |
| class CommandLine; |
| } |
| |
| namespace gl { |
| struct GLVersionInfo; |
| } |
| |
| namespace gpu { |
| namespace gles2 { |
| |
| // FeatureInfo records the features that are available for a ContextGroup. |
| class GPU_GLES2_EXPORT FeatureInfo : public base::RefCounted<FeatureInfo> { |
| public: |
| struct FeatureFlags { |
| FeatureFlags(); |
| |
| GpuMemoryBufferFormatSet gpu_memory_buffer_formats = { |
| gfx::BufferFormat::BGR_565, gfx::BufferFormat::RGBA_4444, |
| gfx::BufferFormat::RGBA_8888, gfx::BufferFormat::RGBX_8888, |
| gfx::BufferFormat::YVU_420, |
| }; |
| // Use glBlitFramebuffer() and glRenderbufferStorageMultisample() with |
| // GL_EXT_framebuffer_multisample-style semantics (as opposed to |
| // GL_EXT_multisampled_render_to_texture semantics). |
| bool chromium_framebuffer_multisample = false; |
| bool chromium_sync_query = false; |
| bool multisampled_render_to_texture = false; |
| // Use the IMG GLenum values rather than EXT. |
| bool use_img_for_multisampled_render_to_texture = false; |
| bool chromium_screen_space_antialiasing = false; |
| bool use_chromium_screen_space_antialiasing_via_shaders = false; |
| bool oes_standard_derivatives = false; |
| bool oes_egl_image_external = false; |
| bool nv_egl_stream_consumer_external = false; |
| bool oes_depth24 = false; |
| bool oes_compressed_etc1_rgb8_texture = false; |
| bool packed_depth24_stencil8 = false; |
| bool npot_ok = false; |
| bool enable_texture_float_linear = false; |
| bool enable_texture_half_float_linear = false; |
| bool enable_color_buffer_float = false; |
| bool enable_color_buffer_half_float = false; |
| bool angle_translated_shader_source = false; |
| bool angle_pack_reverse_row_order = false; |
| bool arb_texture_rectangle = false; |
| bool angle_instanced_arrays = false; |
| bool occlusion_query = false; |
| bool occlusion_query_boolean = false; |
| bool use_arb_occlusion_query2_for_occlusion_query_boolean = false; |
| bool use_arb_occlusion_query_for_occlusion_query_boolean = false; |
| bool native_vertex_array_object = false; |
| bool ext_texture_format_astc = false; |
| bool ext_texture_format_atc = false; |
| bool ext_texture_format_bgra8888 = false; |
| bool ext_texture_format_dxt1 = false; |
| bool ext_texture_format_dxt5 = false; |
| bool enable_shader_name_hashing = false; |
| bool enable_samplers = false; |
| bool ext_draw_buffers = false; |
| bool nv_draw_buffers = false; |
| bool ext_frag_depth = false; |
| bool ext_shader_texture_lod = false; |
| bool use_async_readpixels = false; |
| bool map_buffer_range = false; |
| bool ext_discard_framebuffer = false; |
| bool angle_depth_texture = false; |
| bool is_swiftshader_for_webgl = false; |
| bool is_swiftshader = false; |
| bool chromium_texture_filtering_hint = false; |
| bool angle_texture_usage = false; |
| bool ext_texture_storage = false; |
| bool chromium_path_rendering = false; |
| bool chromium_raster_transport = false; |
| bool chromium_framebuffer_mixed_samples = false; |
| bool blend_equation_advanced = false; |
| bool blend_equation_advanced_coherent = false; |
| bool ext_texture_rg = false; |
| bool ext_texture_norm16 = false; |
| bool chromium_image_ycbcr_420v = false; |
| bool chromium_image_ycbcr_422 = false; |
| bool chromium_image_xr30 = false; |
| bool chromium_image_xb30 = false; |
| bool emulate_primitive_restart_fixed_index = false; |
| bool ext_render_buffer_format_bgra8888 = false; |
| bool ext_multisample_compatibility = false; |
| bool ext_blend_func_extended = false; |
| bool ext_read_format_bgra = false; |
| bool desktop_srgb_support = false; |
| bool arb_es3_compatibility = false; |
| bool chromium_color_buffer_float_rgb = false; |
| bool chromium_color_buffer_float_rgba = false; |
| bool angle_robust_client_memory = false; |
| bool khr_debug = false; |
| bool chromium_bind_generates_resource = false; |
| bool angle_webgl_compatibility = false; |
| bool ext_srgb_write_control = false; |
| bool ext_srgb = false; |
| bool chromium_copy_texture = false; |
| bool chromium_copy_compressed_texture = false; |
| bool ext_disjoint_timer_query = false; |
| bool angle_client_arrays = false; |
| bool angle_request_extension = false; |
| bool ext_debug_marker = false; |
| bool arb_robustness = false; |
| bool khr_robustness = false; |
| bool ext_robustness = false; |
| bool ext_pixel_buffer_object = false; |
| bool oes_rgb8_rgba8 = false; |
| bool angle_robust_resource_initialization = false; |
| bool nv_fence = false; |
| bool chromium_texture_storage_image = false; |
| bool ext_window_rectangles = false; |
| bool chromium_gpu_fence = false; |
| bool unpremultiply_and_dither_copy = false; |
| bool separate_stencil_ref_mask_writemask = false; |
| bool mesa_framebuffer_flip_y = false; |
| bool angle_multiview = false; |
| bool khr_parallel_shader_compile = false; |
| bool android_surface_control = false; |
| bool khr_robust_buffer_access_behavior = false; |
| }; |
| |
| FeatureInfo(); |
| |
| // Constructor with workarounds taken from the current process's CommandLine |
| FeatureInfo(const GpuDriverBugWorkarounds& gpu_driver_bug_workarounds, |
| const GpuFeatureInfo& gpu_feature_info); |
| |
| // Initializes the feature information. Needs a current GL context. |
| void Initialize(ContextType context_type, |
| bool is_passthrough_cmd_decoder, |
| const DisallowedFeatures& disallowed_features); |
| |
| // Helper that defaults to no disallowed features and a GLES2 context. |
| void InitializeForTesting(); |
| // Helper that defaults to no disallowed Features. |
| void InitializeForTesting(ContextType context_type); |
| // Helper that defaults to a GLES2 context. |
| void InitializeForTesting(const DisallowedFeatures& disallowed_features); |
| |
| const Validators* validators() const { |
| return &validators_; |
| } |
| |
| ContextType context_type() const { return context_type_; } |
| |
| const gfx::ExtensionSet& extensions() const { return extensions_; } |
| |
| const FeatureFlags& feature_flags() const { |
| return feature_flags_; |
| } |
| |
| const GpuDriverBugWorkarounds& workarounds() const { return workarounds_; } |
| |
| const DisallowedFeatures& disallowed_features() const { |
| return disallowed_features_; |
| } |
| |
| const gl::GLVersionInfo& gl_version_info() const { |
| DCHECK(gl_version_info_.get()); |
| return *(gl_version_info_.get()); |
| } |
| |
| bool IsES3Capable() const; |
| void EnableES3Validators(); |
| |
| bool disable_shader_translator() const { return disable_shader_translator_; } |
| |
| bool IsWebGLContext() const; |
| bool IsWebGL1OrES2Context() const; |
| bool IsWebGL2OrES3Context() const; |
| bool IsWebGL2OrES3OrHigherContext() const; |
| bool IsWebGL2ComputeContext() const; |
| |
| void EnableCHROMIUMTextureStorageImage(); |
| void EnableCHROMIUMColorBufferFloatRGBA(); |
| void EnableCHROMIUMColorBufferFloatRGB(); |
| void EnableEXTColorBufferFloat(); |
| void EnableEXTColorBufferHalfFloat(); |
| void EnableOESTextureFloatLinear(); |
| void EnableOESTextureHalfFloatLinear(); |
| |
| bool ext_color_buffer_float_available() const { |
| return ext_color_buffer_float_available_; |
| } |
| |
| bool ext_color_buffer_half_float_available() const { |
| return ext_color_buffer_half_float_available_; |
| } |
| |
| bool oes_texture_float_linear_available() const { |
| return oes_texture_float_linear_available_; |
| } |
| |
| bool oes_texture_half_float_linear_available() const { |
| return oes_texture_half_float_linear_available_; |
| } |
| |
| private: |
| friend class base::RefCounted<FeatureInfo>; |
| friend class BufferManagerClientSideArraysTest; |
| |
| ~FeatureInfo(); |
| |
| void AddExtensionString(const base::StringPiece& s); |
| void InitializeBasicState(const base::CommandLine* command_line); |
| void InitializeFeatures(); |
| void InitializeFloatAndHalfFloatFeatures(const gfx::ExtensionSet& extensions); |
| |
| Validators validators_; |
| |
| DisallowedFeatures disallowed_features_; |
| |
| ContextType context_type_ = CONTEXT_TYPE_OPENGLES2; |
| bool is_passthrough_cmd_decoder_ = false; |
| |
| // The set of extensions returned by glGetString(GL_EXTENSIONS); |
| gfx::ExtensionSet extensions_; |
| |
| // Flags for some features |
| FeatureFlags feature_flags_; |
| |
| // Flags for Workarounds. |
| GpuDriverBugWorkarounds workarounds_; |
| |
| bool ext_color_buffer_float_available_ = false; |
| bool ext_color_buffer_half_float_available_ = false; |
| bool oes_texture_float_linear_available_ = false; |
| bool oes_texture_half_float_linear_available_ = false; |
| |
| bool disable_shader_translator_; |
| std::unique_ptr<gl::GLVersionInfo> gl_version_info_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FeatureInfo); |
| }; |
| |
| } // namespace gles2 |
| } // namespace gpu |
| |
| #endif // GPU_COMMAND_BUFFER_SERVICE_FEATURE_INFO_H_ |