chaphidoesstuff/suyu
1
0
Fork 0
forked from suyu/suyu
Code Pull requests Activity

opengl: Fix asynchronous shaders

Browse source 
Wait for shader to build before configuring it, and wait for the shader
to build before sharing it with other contexts.
This commit is contained in:
ReinUsesLisp 2021-07-20 03:05:41 -03:00 committed by ameerj
parent 258f35515d
commit 8381490a04
2 changed files with 33 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

30
src/video_core/renderer_opengl/gl_graphics_pipeline.cpp
View file

@ -237,10 +237,12 @@ GraphicsPipeline::GraphicsPipeline(
if (key.xfb_enabled && device.UseAssemblyShaders()) {
GenerateTransformFeedbackState();
}
auto func{[this, device, sources, sources_spirv,
shader_notify](ShaderContext::Context*) mutable {
const bool in_parallel = thread_worker != nullptr;
const auto backend = device.GetShaderBackend();
auto func{[this, sources = std::move(sources), sources_spirv = std::move(sources_spirv),
shader_notify, backend, in_parallel](ShaderContext::Context*) mutable {
for (size_t stage = 0; stage < 5; ++stage) {
switch (device.GetShaderBackend()) {
switch (backend) {
case Settings::ShaderBackend::GLSL:
if (!sources[stage].empty()) {
source_programs[stage] = CreateProgram(sources[stage], Stage(stage));
@ -249,6 +251,10 @@ GraphicsPipeline::GraphicsPipeline(
case Settings::ShaderBackend::GLASM:
if (!sources[stage].empty()) {
assembly_programs[stage] = CompileProgram(sources[stage], AssemblyStage(stage));
if (in_parallel) {
// Make sure program is built before continuing when building in parallel
glGetString(GL_PROGRAM_ERROR_STRING_NV);
}
}
break;
case Settings::ShaderBackend::SPIRV:
@ -258,10 +264,20 @@ GraphicsPipeline::GraphicsPipeline(
break;
}
}
if (in_parallel && backend != Settings::ShaderBackend::GLASM) {
// Make sure programs have built if we are building shaders in parallel
for (OGLProgram& program : source_programs) {
if (program.handle != 0) {
GLint status{};
glGetProgramiv(program.handle, GL_LINK_STATUS, &status);
}
}
}
if (shader_notify) {
shader_notify->MarkShaderComplete();
}
is_built = true;
built_condvar.notify_one();
}};
if (thread_worker) {
thread_worker->QueueWork(std::move(func));
@ -434,6 +450,9 @@ void GraphicsPipeline::ConfigureImpl(bool is_indexed) {
buffer_cache.UpdateGraphicsBuffers(is_indexed);
buffer_cache.BindHostGeometryBuffers(is_indexed);
if (!is_built.load(std::memory_order::relaxed)) {
WaitForBuild();
}
if (assembly_programs[0].handle != 0) {
program_manager.BindAssemblyPrograms(assembly_programs, enabled_stages_mask);
} else {
@ -545,4 +564,9 @@ void GraphicsPipeline::GenerateTransformFeedbackState() {
num_xfb_strides = static_cast<GLsizei>(current_stream - xfb_streams.data());
}
void GraphicsPipeline::WaitForBuild() {
std::unique_lock lock{built_mutex};
built_condvar.wait(lock, [this] { return is_built.load(std::memory_order::relaxed); });
}
} // namespace OpenGL

7
src/video_core/renderer_opengl/gl_graphics_pipeline.h
View file

@ -119,6 +119,8 @@ private:
void GenerateTransformFeedbackState();
void WaitForBuild();
TextureCache& texture_cache;
BufferCache& buffer_cache;
Tegra::MemoryManager& gpu_memory;
@ -143,13 +145,16 @@ private:
bool use_storage_buffers{};
bool writes_global_memory{};
std::atomic_bool is_built{false};
static constexpr std::size_t XFB_ENTRY_STRIDE = 3;
GLsizei num_xfb_attribs{};
GLsizei num_xfb_strides{};
std::array<GLint, 128 * XFB_ENTRY_STRIDE * Maxwell::NumTransformFeedbackBuffers> xfb_attribs{};
std::array<GLint, Maxwell::NumTransformFeedbackBuffers> xfb_streams{};
std::mutex built_mutex;
std::condition_variable built_condvar;
std::atomic_bool is_built{false};
};
} // namespace OpenGL