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Fix unnecessary queue drains in predication and suspend points

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This commit is contained in:
nmzik
2026-09-30 16:51:40 +04:00
parent 05057c9441
commit 840b9f5753
5 changed files with 289 additions and 110 deletions
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src/graphics/guest_gpu/graphicsRun.h
+13 -10
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@@ -13,6 +13,7 @@
#include <deque>
#include <memory>
#include <mutex>
#include <semaphore>
#include <span>
#include <thread>
@@ -32,11 +33,14 @@ public:
void SendCommandSync(Common::UniqueFunction<void>&& command);
// Submitted command memory is borrowed and must remain valid until GPU execution completes.
void Submit(std::span<const uint32_t> draw_commands,
std::span<const uint32_t> constant_commands);
void SubmitCompute(uint32_t queue, std::span<const uint32_t> commands);
void SubmitFlipPreparation(uint64_t request_id);
void Done();
void Submit(std::span<const uint32_t> draw_commands,
std::span<const uint32_t> constant_commands);
void SubmitCompute(uint32_t queue, std::span<const uint32_t> commands);
void SubmitFlipPreparation(uint64_t request_id);
// Insert an ordered graphics drain; only a previous suspend point can block the caller.
void SuspendPoint();
// Wait for guest command processing, including all compute queues (not native GPU completion).
void WaitForIdle();
[[nodiscard]] int GetFrameNum() const;
[[nodiscard]] static bool IsGpuThread() noexcept;
@@ -48,7 +52,7 @@ private:
static constexpr uint32_t ComputeQueueBase = 0x20;
static constexpr uint32_t QueueCount = 1 + ComputeQueueCount;
enum class SubmissionType { Graphics, Compute, FlipPreparation };
enum class SubmissionType { Graphics, Compute, FlipPreparation, SuspendPoint };
struct Submission {
SubmissionType type = SubmissionType::Graphics;
@@ -57,7 +61,6 @@ private:
std::span<const uint32_t> constant_commands;
Pm4Execution command_execution;
Pm4Execution constant_execution;
bool reset_processor = false;
bool started = false;
bool command_complete = false;
bool constant_complete = false;
@@ -66,14 +69,12 @@ private:
};
void Enqueue(Submission submission);
void WaitForIdle();
void ProcessCommands();
bool Process(Submission& submission);
static void ThreadRun(void* data);
CommandProcessor& GetProcessor(uint32_t queue_id);
RenderContext& m_renderer;
Common::Mutex m_submission_mutex;
Common::Mutex m_queue_mutex;
std::mutex m_shutdown_mutex;
Common::CondVar m_work_available;
@@ -84,10 +85,12 @@ private:
uint32_t m_next_queue = 0;
uint32_t m_submission_count = 0;
bool m_processing = false;
bool m_graphics_done = true;
bool m_accepting = true;
bool m_stopping = false;
bool m_shutdown_complete = false;
// Completion callbacks can outlive GuestGpu during renderer shutdown.
std::shared_ptr<std::binary_semaphore> m_suspend_point_ready =
std::make_shared<std::binary_semaphore>(1);
std::unique_ptr<CommandProcessor> m_gfx_cp;
std::array<std::unique_ptr<CommandProcessor>, ComputeQueueCount> m_compute_cp;