// Copyright 2013 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef GPU_COMMAND_BUFFER_COMMON_CAPABILITIES_H_ #define GPU_COMMAND_BUFFER_COMMON_CAPABILITIES_H_ #include #include #include "gpu/command_buffer/common/gpu_memory_buffer_support.h" #include "gpu/gpu_export.h" #include "ui/gfx/buffer_types.h" #include "ui/gfx/surface_origin.h" // From gl2.h. We want to avoid including gl headers because client-side and // service-side headers conflict. #define GL_FRAGMENT_SHADER 0x8B30 #define GL_VERTEX_SHADER 0x8B31 #define GL_LOW_FLOAT 0x8DF0 #define GL_MEDIUM_FLOAT 0x8DF1 #define GL_HIGH_FLOAT 0x8DF2 #define GL_LOW_INT 0x8DF3 #define GL_MEDIUM_INT 0x8DF4 #define GL_HIGH_INT 0x8DF5 namespace gpu { // NOTE: When adding members to this struct, also add corresponding // entries in gpu/ipc/common/gpu_command_buffer_traits_multi.h. struct GPU_EXPORT Capabilities { struct ShaderPrecision { ShaderPrecision() : min_range(0), max_range(0), precision(0) {} int min_range; int max_range; int precision; }; struct GPU_EXPORT PerStagePrecisions { PerStagePrecisions(); ShaderPrecision low_int; ShaderPrecision medium_int; ShaderPrecision high_int; ShaderPrecision low_float; ShaderPrecision medium_float; ShaderPrecision high_float; }; Capabilities(); Capabilities(const Capabilities& other); ~Capabilities(); template void VisitStagePrecisions(unsigned stage, PerStagePrecisions* precisions, const T& visitor) { visitor(stage, GL_LOW_INT, &precisions->low_int); visitor(stage, GL_MEDIUM_INT, &precisions->medium_int); visitor(stage, GL_HIGH_INT, &precisions->high_int); visitor(stage, GL_LOW_FLOAT, &precisions->low_float); visitor(stage, GL_MEDIUM_FLOAT, &precisions->medium_float); visitor(stage, GL_HIGH_FLOAT, &precisions->high_float); } template void VisitPrecisions(const T& visitor) { VisitStagePrecisions(GL_VERTEX_SHADER, &vertex_shader_precisions, visitor); VisitStagePrecisions(GL_FRAGMENT_SHADER, &fragment_shader_precisions, visitor); } PerStagePrecisions vertex_shader_precisions; PerStagePrecisions fragment_shader_precisions; int max_combined_texture_image_units = 0; int max_cube_map_texture_size = 0; int max_fragment_uniform_vectors = 0; int max_renderbuffer_size = 0; int max_texture_image_units = 0; // Note this may be smaller than GL_MAX_TEXTURE_SIZE for a GLES context. int max_texture_size = 0; int max_varying_vectors = 0; int max_vertex_attribs = 0; int max_vertex_texture_image_units = 0; int max_vertex_uniform_vectors = 0; // MAX_VIEWPORT_DIMS[2] int max_viewport_width = 0; int max_viewport_height = 0; int num_compressed_texture_formats = 0; int num_shader_binary_formats = 0; int num_stencil_bits = 0; // For the default framebuffer. int bind_generates_resource_chromium = 0; int max_3d_texture_size = 0; int max_array_texture_layers = 0; int max_color_attachments = 0; int64_t max_combined_fragment_uniform_components = 0; int max_combined_uniform_blocks = 0; int64_t max_combined_vertex_uniform_components = 0; int max_copy_texture_chromium_size = 0; int max_draw_buffers = 0; int64_t max_element_index = 0; int max_elements_indices = 0; int max_elements_vertices = 0; int max_fragment_input_components = 0; int max_fragment_uniform_blocks = 0; int max_fragment_uniform_components = 0; int max_program_texel_offset = 0; int max_samples = 0; int64_t max_server_wait_timeout = 0; float max_texture_lod_bias = 0.f; int max_transform_feedback_interleaved_components = 0; int max_transform_feedback_separate_attribs = 0; int max_transform_feedback_separate_components = 0; int64_t max_uniform_block_size = 0; int max_uniform_buffer_bindings = 0; int max_atomic_counter_buffer_bindings = 0; int max_shader_storage_buffer_bindings = 0; int shader_storage_buffer_offset_alignment = 1; int max_varying_components = 0; int max_vertex_output_components = 0; int max_vertex_uniform_blocks = 0; int max_vertex_uniform_components = 0; int min_program_texel_offset = 0; int num_extensions = 0; int num_program_binary_formats = 0; int uniform_buffer_offset_alignment = 1; // Describes how many buffers a surface uses in the swap chain. Default to 2 // since double buffering is the default in most cases. int num_surface_buffers = 2; bool post_sub_buffer = false; bool swap_buffers_with_bounds = false; bool commit_overlay_planes = false; bool egl_image_external = false; bool egl_image_external_essl3 = false; bool texture_format_astc = false; bool texture_format_atc = false; bool texture_format_bgra8888 = false; bool texture_format_dxt1 = false; bool texture_format_dxt5 = false; bool texture_format_etc1 = false; bool texture_format_etc1_npot = false; bool texture_rectangle = false; bool iosurface = false; bool texture_usage = false; bool texture_storage = false; bool discard_framebuffer = false; bool sync_query = false; bool blend_equation_advanced = false; bool blend_equation_advanced_coherent = false; bool texture_rg = false; bool texture_norm16 = false; bool texture_half_float_linear = false; bool color_buffer_half_float_rgba = false; bool image_ycbcr_422 = false; bool image_ycbcr_420v = false; bool image_ycbcr_420v_disabled_for_video_frames = false; bool image_ar30 = false; bool image_ab30 = false; bool image_ycbcr_p010 = false; bool render_buffer_format_bgra8888 = false; bool occlusion_query = false; bool occlusion_query_boolean = false; bool timer_queries = false; bool surfaceless = false; gfx::SurfaceOrigin surface_origin = gfx::SurfaceOrigin::kBottomLeft; bool msaa_is_slow = false; bool disable_one_component_textures = false; bool gpu_rasterization = false; bool avoid_stencil_buffers = false; bool multisample_compatibility = false; // True if DirectComposition layers are enabled. bool dc_layers = false; bool protected_video_swap_chain = false; bool gpu_vsync = false; bool shared_image_d3d = false; bool shared_image_swap_chain = false; bool angle_rgbx_internal_format = false; // When this parameter is true, a CHROMIUM image created with RGB format will // actually have RGBA format. The client is responsible for handling most of // the complexities associated with this. See // gpu/GLES2/extensions/CHROMIUM/CHROMIUM_image.txt for more // details. bool chromium_image_rgb_emulation = false; bool disable_2d_canvas_copy_on_write = false; bool texture_npot = false; bool texture_storage_image = false; bool supports_oop_raster = false; bool chromium_gpu_fence = false; bool separate_stencil_ref_mask_writemask = false; bool use_gpu_fences_for_overlay_planes = false; bool chromium_nonblocking_readback = false; bool mesa_framebuffer_flip_y = false; // Clients should use SharedImageInterface instead. bool disable_legacy_mailbox = false; int major_version = 2; int minor_version = 0; // Used by OOP raster. bool context_supports_distance_field_text = true; 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, }; std::vector texture_target_exception_list; }; } // namespace gpu #endif // GPU_COMMAND_BUFFER_COMMON_CAPABILITIES_H_