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-rw-r--r--src/video_core/renderer_opengl/gl_graphics_pipeline.cpp46
-rw-r--r--src/video_core/renderer_opengl/gl_graphics_pipeline.h7
2 files changed, 32 insertions, 21 deletions
diff --git a/src/video_core/renderer_opengl/gl_graphics_pipeline.cpp b/src/video_core/renderer_opengl/gl_graphics_pipeline.cpp
index f8495896c..9e6732abd 100644
--- a/src/video_core/renderer_opengl/gl_graphics_pipeline.cpp
+++ b/src/video_core/renderer_opengl/gl_graphics_pipeline.cpp
@@ -243,10 +243,6 @@ 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:
@@ -256,20 +252,18 @@ 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 (in_parallel) {
+ std::lock_guard lock{built_mutex};
+ built_fence.Create();
+ // Flush this context to ensure compilation commands and fence are in the GPU pipe.
+ glFlush();
+ built_condvar.notify_one();
+ } else {
+ is_built = true;
}
if (shader_notify) {
shader_notify->MarkShaderComplete();
}
- is_built = true;
- built_condvar.notify_one();
}};
if (thread_worker) {
thread_worker->QueueWork(std::move(func));
@@ -440,7 +434,7 @@ void GraphicsPipeline::ConfigureImpl(bool is_indexed) {
buffer_cache.UpdateGraphicsBuffers(is_indexed);
buffer_cache.BindHostGeometryBuffers(is_indexed);
- if (!is_built.load(std::memory_order::relaxed)) {
+ if (!IsBuilt()) {
WaitForBuild();
}
const bool use_assembly{assembly_programs[0].handle != 0};
@@ -585,8 +579,26 @@ void GraphicsPipeline::GenerateTransformFeedbackState() {
}
void GraphicsPipeline::WaitForBuild() {
- std::unique_lock lock{built_mutex};
- built_condvar.wait(lock, [this] { return is_built.load(std::memory_order::relaxed); });
+ if (built_fence.handle == 0) {
+ std::unique_lock lock{built_mutex};
+ built_condvar.wait(lock, [this] { return built_fence.handle != 0; });
+ }
+ ASSERT(glClientWaitSync(built_fence.handle, 0, GL_TIMEOUT_IGNORED) != GL_WAIT_FAILED);
+ is_built = true;
+}
+
+bool GraphicsPipeline::IsBuilt() noexcept {
+ if (is_built) {
+ return true;
+ }
+ if (built_fence.handle == 0) {
+ return false;
+ }
+ // Timeout of zero means this is non-blocking
+ const auto sync_status = glClientWaitSync(built_fence.handle, 0, 0);
+ ASSERT(sync_status != GL_WAIT_FAILED);
+ is_built = sync_status != GL_TIMEOUT_EXPIRED;
+ return is_built;
}
} // namespace OpenGL
diff --git a/src/video_core/renderer_opengl/gl_graphics_pipeline.h b/src/video_core/renderer_opengl/gl_graphics_pipeline.h
index 4e28d9a42..311d49f3f 100644
--- a/src/video_core/renderer_opengl/gl_graphics_pipeline.h
+++ b/src/video_core/renderer_opengl/gl_graphics_pipeline.h
@@ -100,9 +100,7 @@ public:
return writes_global_memory;
}
- [[nodiscard]] bool IsBuilt() const noexcept {
- return is_built.load(std::memory_order::relaxed);
- }
+ [[nodiscard]] bool IsBuilt() noexcept;
template <typename Spec>
static auto MakeConfigureSpecFunc() {
@@ -154,7 +152,8 @@ private:
std::mutex built_mutex;
std::condition_variable built_condvar;
- std::atomic_bool is_built{false};
+ OGLSync built_fence{};
+ bool is_built{false};
};
} // namespace OpenGL