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OpenGL: Add Local Memory warmup shader

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This commit is contained in:
ameerj
2023-06-25 18:43:23 -04:00
parent 3a991f3aef
commit 82107b33a2
5 changed files with 62 additions and 1 deletions
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2
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -222,6 +222,7 @@ void RasterizerOpenGL::PrepareDraw(bool is_indexed, Func&& draw_func) {
gpu.TickWork();
std::scoped_lock lock{buffer_cache.mutex, texture_cache.mutex};
program_manager.LocalMemoryWarmup();
pipeline->SetEngine(maxwell3d, gpu_memory);
pipeline->Configure(is_indexed);
@ -371,6 +372,7 @@ void RasterizerOpenGL::DispatchCompute() {
if (!pipeline) {
return;
}
program_manager.LocalMemoryWarmup();
pipeline->SetEngine(kepler_compute, gpu_memory);
pipeline->Configure();
const auto& qmd{kepler_compute->launch_description};

10
src/video_core/renderer_opengl/gl_shader_manager.cpp
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@ -3,7 +3,9 @@
#include <glad/glad.h>
#include "video_core/host_shaders/opengl_lmem_warmup_comp.h"
#include "video_core/renderer_opengl/gl_shader_manager.h"
#include "video_core/renderer_opengl/gl_shader_util.h"
namespace OpenGL {
@ -12,7 +14,8 @@ static constexpr std::array ASSEMBLY_PROGRAM_ENUMS{
GL_GEOMETRY_PROGRAM_NV, GL_FRAGMENT_PROGRAM_NV,
};
ProgramManager::ProgramManager(const Device& device) {
ProgramManager::ProgramManager(const Device& device)
: lmem_warmup_program(CreateProgram(HostShaders::OPENGL_LMEM_WARMUP_COMP, GL_COMPUTE_SHADER)) {
glCreateProgramPipelines(1, &pipeline.handle);
if (device.UseAssemblyShaders()) {
glEnable(GL_COMPUTE_PROGRAM_NV);
@ -98,6 +101,11 @@ void ProgramManager::BindAssemblyPrograms(std::span<const OGLAssemblyProgram, NU
void ProgramManager::RestoreGuestCompute() {}
void ProgramManager::LocalMemoryWarmup() {
BindComputeProgram(lmem_warmup_program.handle);
glDispatchCompute(1, 1, 1);
}
void ProgramManager::BindPipeline() {
if (!is_pipeline_bound) {
is_pipeline_bound = true;

3
src/video_core/renderer_opengl/gl_shader_manager.h
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@ -30,6 +30,8 @@ public:
void RestoreGuestCompute();
void LocalMemoryWarmup();
private:
void BindPipeline();
@ -44,6 +46,7 @@ private:
u32 current_stage_mask = 0;
std::array<GLuint, NUM_STAGES> current_programs{};
GLuint current_assembly_compute_program = 0;
OGLProgram lmem_warmup_program;
};
} // namespace OpenGL