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Code Issues Releases Activity

OpenGL: Limit lmem warmup to NVIDIA

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This commit is contained in:
ameerj 2023-06-25 19:06:51 -04:00
parent 405eae3734
commit 4f160633d3
3 changed files with 15 additions and 4 deletions
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1
src/video_core/renderer_opengl/gl_device.cpp
View file

@ -194,6 +194,7 @@ Device::Device(Core::Frontend::EmuWindow& emu_window) {
has_bool_ref_bug = true;
}
}
has_lmem_perf_bug = is_nvidia;
strict_context_required = emu_window.StrictContextRequired();
// Blocks AMD and Intel OpenGL drivers on Windows from using asynchronous shader compilation.

5
src/video_core/renderer_opengl/gl_device.h
View file

@ -192,6 +192,10 @@ public:
return supports_conditional_barriers;
}
bool HasLmemPerfBug() const {
return has_lmem_perf_bug;
}
private:
static bool TestVariableAoffi();
static bool TestPreciseBug();
@ -238,6 +242,7 @@ private:
bool can_report_memory{};
bool strict_context_required{};
bool supports_conditional_barriers{};
bool has_lmem_perf_bug{};
std::string vendor_name;
};

13
src/video_core/renderer_opengl/gl_shader_manager.cpp
View file

@ -14,12 +14,15 @@ static constexpr std::array ASSEMBLY_PROGRAM_ENUMS{
GL_GEOMETRY_PROGRAM_NV, GL_FRAGMENT_PROGRAM_NV,
};
ProgramManager::ProgramManager(const Device& device)
: lmem_warmup_program(CreateProgram(HostShaders::OPENGL_LMEM_WARMUP_COMP, GL_COMPUTE_SHADER)) {
ProgramManager::ProgramManager(const Device& device) {
glCreateProgramPipelines(1, &pipeline.handle);
if (device.UseAssemblyShaders()) {
glEnable(GL_COMPUTE_PROGRAM_NV);
}
if (device.HasLmemPerfBug()) {
lmem_warmup_program =
CreateProgram(HostShaders::OPENGL_LMEM_WARMUP_COMP, GL_COMPUTE_SHADER);
}
}
void ProgramManager::BindComputeProgram(GLuint program) {
@ -102,8 +105,10 @@ void ProgramManager::BindAssemblyPrograms(std::span<const OGLAssemblyProgram, NU
void ProgramManager::RestoreGuestCompute() {}
void ProgramManager::LocalMemoryWarmup() {
BindComputeProgram(lmem_warmup_program.handle);
glDispatchCompute(1, 1, 1);
if (lmem_warmup_program.handle != 0) {
BindComputeProgram(lmem_warmup_program.handle);
glDispatchCompute(1, 1, 1);
}
}
void ProgramManager::BindPipeline() {