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author | liamwhite <liamwhite@users.noreply.github.com> | 2023-01-19 20:58:53 +0100 |
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committer | GitHub <noreply@github.com> | 2023-01-19 20:58:53 +0100 |
commit | 475370c8f89002e3b508eb152b981a5b89049d68 (patch) | |
tree | 79a145e24f2bf5ab5baca6824cae6cd525a8d170 /src/video_core/renderer_opengl/gl_shader_manager.cpp | |
parent | Merge pull request #9623 from liamwhite/wp-oops (diff) | |
parent | Address feedback (diff) | |
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Diffstat (limited to 'src/video_core/renderer_opengl/gl_shader_manager.cpp')
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_manager.cpp | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_manager.cpp b/src/video_core/renderer_opengl/gl_shader_manager.cpp index d9c29d8b7..98841ae65 100644 --- a/src/video_core/renderer_opengl/gl_shader_manager.cpp +++ b/src/video_core/renderer_opengl/gl_shader_manager.cpp @@ -1,2 +1,123 @@ // SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project // SPDX-License-Identifier: GPL-2.0-or-later + +#include <glad/glad.h> + +#include "video_core/renderer_opengl/gl_shader_manager.h" + +namespace OpenGL { + +static constexpr std::array ASSEMBLY_PROGRAM_ENUMS{ + GL_VERTEX_PROGRAM_NV, GL_TESS_CONTROL_PROGRAM_NV, GL_TESS_EVALUATION_PROGRAM_NV, + GL_GEOMETRY_PROGRAM_NV, GL_FRAGMENT_PROGRAM_NV, +}; + +ProgramManager::ProgramManager(const Device& device) { + glCreateProgramPipelines(1, &pipeline.handle); + if (device.UseAssemblyShaders()) { + glEnable(GL_COMPUTE_PROGRAM_NV); + } +} + +void ProgramManager::BindComputeProgram(GLuint program) { + glUseProgram(program); + is_compute_bound = true; +} + +void ProgramManager::BindComputeAssemblyProgram(GLuint program) { + if (current_assembly_compute_program != program) { + current_assembly_compute_program = program; + glBindProgramARB(GL_COMPUTE_PROGRAM_NV, program); + } + UnbindPipeline(); +} + +void ProgramManager::BindSourcePrograms(std::span<const OGLProgram, NUM_STAGES> programs) { + static constexpr std::array<GLenum, 5> stage_enums{ + GL_VERTEX_SHADER_BIT, GL_TESS_CONTROL_SHADER_BIT, GL_TESS_EVALUATION_SHADER_BIT, + GL_GEOMETRY_SHADER_BIT, GL_FRAGMENT_SHADER_BIT, + }; + for (size_t stage = 0; stage < NUM_STAGES; ++stage) { + if (current_programs[stage] != programs[stage].handle) { + current_programs[stage] = programs[stage].handle; + glUseProgramStages(pipeline.handle, stage_enums[stage], programs[stage].handle); + } + } + BindPipeline(); +} + +void ProgramManager::BindPresentPrograms(GLuint vertex, GLuint fragment) { + if (current_programs[0] != vertex) { + current_programs[0] = vertex; + glUseProgramStages(pipeline.handle, GL_VERTEX_SHADER_BIT, vertex); + } + if (current_programs[4] != fragment) { + current_programs[4] = fragment; + glUseProgramStages(pipeline.handle, GL_FRAGMENT_SHADER_BIT, fragment); + } + glUseProgramStages( + pipeline.handle, + GL_TESS_CONTROL_SHADER_BIT | GL_TESS_EVALUATION_SHADER_BIT | GL_GEOMETRY_SHADER_BIT, 0); + current_programs[1] = 0; + current_programs[2] = 0; + current_programs[3] = 0; + + if (current_stage_mask != 0) { + current_stage_mask = 0; + for (const GLenum program_type : ASSEMBLY_PROGRAM_ENUMS) { + glDisable(program_type); + } + } + BindPipeline(); +} + +void ProgramManager::BindAssemblyPrograms(std::span<const OGLAssemblyProgram, NUM_STAGES> programs, + u32 stage_mask) { + const u32 changed_mask = current_stage_mask ^ stage_mask; + current_stage_mask = stage_mask; + + if (changed_mask != 0) { + for (size_t stage = 0; stage < NUM_STAGES; ++stage) { + if (((changed_mask >> stage) & 1) != 0) { + if (((stage_mask >> stage) & 1) != 0) { + glEnable(ASSEMBLY_PROGRAM_ENUMS[stage]); + } else { + glDisable(ASSEMBLY_PROGRAM_ENUMS[stage]); + } + } + } + } + for (size_t stage = 0; stage < NUM_STAGES; ++stage) { + if (current_programs[stage] != programs[stage].handle) { + current_programs[stage] = programs[stage].handle; + glBindProgramARB(ASSEMBLY_PROGRAM_ENUMS[stage], programs[stage].handle); + } + } + UnbindPipeline(); +} + +void ProgramManager::RestoreGuestCompute() {} + +void ProgramManager::BindPipeline() { + if (!is_pipeline_bound) { + is_pipeline_bound = true; + glBindProgramPipeline(pipeline.handle); + } + UnbindCompute(); +} + +void ProgramManager::UnbindPipeline() { + if (is_pipeline_bound) { + is_pipeline_bound = false; + glBindProgramPipeline(0); + } + UnbindCompute(); +} + +void ProgramManager::UnbindCompute() { + if (is_compute_bound) { + is_compute_bound = false; + glUseProgram(0); + } +} +} // namespace OpenGL |