| // Copyright 2013 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_COMMON_CAPABILITIES_H_ |
| #define GPU_COMMAND_BUFFER_COMMON_CAPABILITIES_H_ |
| |
| #include "gpu/gpu_export.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 { |
| |
| struct GPU_EXPORT Capabilities { |
| struct ShaderPrecision { |
| ShaderPrecision() : min_range(0), max_range(0), precision(0) {} |
| int min_range; |
| int max_range; |
| int precision; |
| }; |
| |
| struct PerStagePrecisions { |
| PerStagePrecisions(); |
| |
| ShaderPrecision low_int; |
| ShaderPrecision medium_int; |
| ShaderPrecision high_int; |
| ShaderPrecision low_float; |
| ShaderPrecision medium_float; |
| ShaderPrecision high_float; |
| }; |
| |
| Capabilities(); |
| |
| template <typename T> |
| 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 <typename T> |
| 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; |
| int max_cube_map_texture_size; |
| int max_fragment_uniform_vectors; |
| int max_renderbuffer_size; |
| int max_texture_image_units; |
| int max_texture_size; |
| int max_varying_vectors; |
| int max_vertex_attribs; |
| int max_vertex_texture_image_units; |
| int max_vertex_uniform_vectors; |
| int num_compressed_texture_formats; |
| int num_shader_binary_formats; |
| int bind_generates_resource_chromium; |
| |
| int max_3d_texture_size; |
| int max_array_texture_layers; |
| int max_color_attachments; |
| int max_combined_fragment_uniform_components; |
| int max_combined_uniform_blocks; |
| int max_combined_vertex_uniform_components; |
| int max_draw_buffers; |
| int max_element_index; |
| int max_elements_indices; |
| int max_elements_vertices; |
| int max_fragment_input_components; |
| int max_fragment_uniform_blocks; |
| int max_fragment_uniform_components; |
| int max_program_texel_offset; |
| int max_samples; |
| int max_server_wait_timeout; |
| int max_transform_feedback_interleaved_components; |
| int max_transform_feedback_separate_attribs; |
| int max_transform_feedback_separate_components; |
| int max_uniform_block_size; |
| int max_uniform_buffer_bindings; |
| int max_varying_components; |
| int max_vertex_output_components; |
| int max_vertex_uniform_blocks; |
| int max_vertex_uniform_components; |
| int min_program_texel_offset; |
| int num_extensions; |
| int num_program_binary_formats; |
| int uniform_buffer_offset_alignment; |
| |
| bool post_sub_buffer; |
| bool egl_image_external; |
| bool texture_format_atc; |
| bool texture_format_bgra8888; |
| bool texture_format_dxt1; |
| bool texture_format_dxt5; |
| bool texture_format_etc1; |
| bool texture_format_etc1_npot; |
| bool texture_rectangle; |
| bool iosurface; |
| bool texture_usage; |
| bool texture_storage; |
| bool discard_framebuffer; |
| bool sync_query; |
| bool image; |
| bool future_sync_points; |
| bool blend_equation_advanced; |
| bool blend_equation_advanced_coherent; |
| bool texture_rg; |
| |
| int major_version; |
| int minor_version; |
| }; |
| |
| } // namespace gpu |
| |
| #endif // GPU_COMMAND_BUFFER_COMMON_CAPABILITIES_H_ |