83 lines
2.3 KiB
C++
Executable File
83 lines
2.3 KiB
C++
Executable File
// Copyright 2018 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <cstddef>
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#include <glad/glad.h>
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#include "video_core/renderer_opengl/gl_resource_manager.h"
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#include "video_core/renderer_opengl/maxwell_to_gl.h"
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namespace OpenGL {
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class Device;
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/// Uniform structure for the Uniform Buffer Object, all vectors must be 16-byte aligned
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/// @note Always keep a vec4 at the end. The GL spec is not clear whether the alignment at
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/// the end of a uniform block is included in UNIFORM_BLOCK_DATA_SIZE or not.
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/// Not following that rule will cause problems on some AMD drivers.
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struct alignas(16) MaxwellUniformData {
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void SetFromRegs(const Tegra::Engines::Maxwell3D& maxwell);
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GLfloat y_direction;
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};
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static_assert(sizeof(MaxwellUniformData) == 16, "MaxwellUniformData structure size is incorrect");
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static_assert(sizeof(MaxwellUniformData) < 16384,
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"MaxwellUniformData structure must be less than 16kb as per the OpenGL spec");
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class ProgramManager {
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public:
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explicit ProgramManager(const Device& device);
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~ProgramManager();
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/// Binds a compute program
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void BindCompute(GLuint program);
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/// Updates bound programs.
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void BindGraphicsPipeline();
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/// Binds an OpenGL pipeline object unsynchronized with the guest state.
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void BindHostPipeline(GLuint pipeline);
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/// Rewinds BindHostPipeline state changes.
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void RestoreGuestPipeline();
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/// Binds an OpenGL GLSL program object unsynchronized with the guest state.
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void BindHostCompute(GLuint program);
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/// Rewinds BindHostCompute state changes.
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void RestoreGuestCompute();
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void UseVertexShader(GLuint program);
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void UseGeometryShader(GLuint program);
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void UseFragmentShader(GLuint program);
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private:
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struct PipelineState {
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GLuint vertex = 0;
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GLuint geometry = 0;
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GLuint fragment = 0;
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};
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/// Update GLSL programs.
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void UpdateSourcePrograms();
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OGLPipeline graphics_pipeline;
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PipelineState current_state;
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PipelineState old_state;
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bool use_assembly_programs = false;
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bool is_graphics_bound = true;
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bool vertex_enabled = false;
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bool geometry_enabled = false;
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bool fragment_enabled = false;
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};
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} // namespace OpenGL
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