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136 lines
4.0 KiB
C++
136 lines
4.0 KiB
C++
// Copyright 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef GPU_COMMAND_BUFFER_COMMON_CAPABILITIES_H_
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#define GPU_COMMAND_BUFFER_COMMON_CAPABILITIES_H_
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#include "gpu/gpu_export.h"
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// From gl2.h. We want to avoid including gl headers because client-side and
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// service-side headers conflict.
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#define GL_FRAGMENT_SHADER 0x8B30
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#define GL_VERTEX_SHADER 0x8B31
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#define GL_LOW_FLOAT 0x8DF0
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#define GL_MEDIUM_FLOAT 0x8DF1
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#define GL_HIGH_FLOAT 0x8DF2
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#define GL_LOW_INT 0x8DF3
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#define GL_MEDIUM_INT 0x8DF4
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#define GL_HIGH_INT 0x8DF5
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namespace gpu {
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struct GPU_EXPORT Capabilities {
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struct ShaderPrecision {
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ShaderPrecision() : min_range(0), max_range(0), precision(0) {}
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int min_range;
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int max_range;
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int precision;
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};
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struct PerStagePrecisions {
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PerStagePrecisions();
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ShaderPrecision low_int;
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ShaderPrecision medium_int;
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ShaderPrecision high_int;
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ShaderPrecision low_float;
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ShaderPrecision medium_float;
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ShaderPrecision high_float;
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};
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Capabilities();
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template <typename T>
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void VisitStagePrecisions(unsigned stage,
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PerStagePrecisions* precisions,
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const T& visitor) {
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visitor(stage, GL_LOW_INT, &precisions->low_int);
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visitor(stage, GL_MEDIUM_INT, &precisions->medium_int);
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visitor(stage, GL_HIGH_INT, &precisions->high_int);
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visitor(stage, GL_LOW_FLOAT, &precisions->low_float);
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visitor(stage, GL_MEDIUM_FLOAT, &precisions->medium_float);
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visitor(stage, GL_HIGH_FLOAT, &precisions->high_float);
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}
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template <typename T>
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void VisitPrecisions(const T& visitor) {
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VisitStagePrecisions(GL_VERTEX_SHADER, &vertex_shader_precisions, visitor);
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VisitStagePrecisions(GL_FRAGMENT_SHADER, &fragment_shader_precisions,
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visitor);
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}
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PerStagePrecisions vertex_shader_precisions;
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PerStagePrecisions fragment_shader_precisions;
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int max_combined_texture_image_units;
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int max_cube_map_texture_size;
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int max_fragment_uniform_vectors;
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int max_renderbuffer_size;
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int max_texture_image_units;
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int max_texture_size;
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int max_varying_vectors;
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int max_vertex_attribs;
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int max_vertex_texture_image_units;
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int max_vertex_uniform_vectors;
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int num_compressed_texture_formats;
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int num_shader_binary_formats;
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int bind_generates_resource_chromium;
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int max_3d_texture_size;
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int max_array_texture_layers;
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int max_color_attachments;
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int max_combined_fragment_uniform_components;
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int max_combined_uniform_blocks;
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int max_combined_vertex_uniform_components;
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int max_draw_buffers;
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int max_element_index;
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int max_elements_indices;
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int max_elements_vertices;
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int max_fragment_input_components;
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int max_fragment_uniform_blocks;
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int max_fragment_uniform_components;
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int max_program_texel_offset;
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int max_samples;
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int max_server_wait_timeout;
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int max_transform_feedback_interleaved_components;
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int max_transform_feedback_separate_attribs;
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int max_transform_feedback_separate_components;
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int max_uniform_block_size;
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int max_uniform_buffer_bindings;
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int max_varying_components;
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int max_vertex_output_components;
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int max_vertex_uniform_blocks;
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int max_vertex_uniform_components;
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int min_program_texel_offset;
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int num_extensions;
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int num_program_binary_formats;
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int uniform_buffer_offset_alignment;
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bool post_sub_buffer;
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bool egl_image_external;
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bool texture_format_atc;
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bool texture_format_bgra8888;
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bool texture_format_dxt1;
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bool texture_format_dxt5;
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bool texture_format_etc1;
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bool texture_format_etc1_npot;
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bool texture_rectangle;
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bool iosurface;
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bool texture_usage;
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bool texture_storage;
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bool discard_framebuffer;
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bool sync_query;
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bool image;
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bool future_sync_points;
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bool blend_equation_advanced;
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bool blend_equation_advanced_coherent;
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bool texture_rg;
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int major_version;
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int minor_version;
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};
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} // namespace gpu
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#endif // GPU_COMMAND_BUFFER_COMMON_CAPABILITIES_H_
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