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growable command buffer pool

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This commit is contained in:
nmzik
2026-08-07 18:26:42 +02:00
parent 67cfec9063
commit 5125cd09c7
3 changed files with 108 additions and 36 deletions
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src/graphics/host_gpu/renderer/commandScheduler.h
+26 -21
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@@ -16,6 +16,7 @@
#include <queue>
#include <thread>
#include <vector>
namespace Libs::Graphics {
@@ -31,8 +32,6 @@ struct CommandSlot {
class CommandScheduler {
public:
static constexpr int BufferCount = 8;
CommandScheduler(RenderContext& context, GraphicContext& graphics);
~CommandScheduler();
KYTY_CLASS_NO_COPY(CommandScheduler);
@@ -65,6 +64,8 @@ public:
[[nodiscard]] GraphicContext& Graphics() const noexcept { return m_graphics; }
private:
static constexpr size_t CommandBufferGrowStep = 4;
class CommandPool {
public:
CommandPool() = default;
@@ -94,30 +95,34 @@ private:
void BindCurrent() const;
CommandBuffer& SubmitCurrent(SubmitInfo& submit);
void BeginNext();
void PopPendingOperations(bool refresh_gpu_tick);
[[nodiscard]] int FindReusableBuffer(uint64_t gpu_tick) const;
[[nodiscard]] size_t GrowCommandBuffers();
void PriorityOperationsThread(std::stop_token stop);
void RunOperation(Common::UniqueFunction<void>&& operation);
[[nodiscard]] CommandSlot* AllocateCommandBuffer();
[[nodiscard]] uint64_t NextSubmitSequence() noexcept;
MasterSemaphore m_master;
RenderContext& m_context;
GraphicContext& m_graphics;
CommandPool m_command_pool;
std::array<std::unique_ptr<RenderCommandBuffer>, BufferCount> m_buffers;
std::queue<PendingOperation> m_pending_operations;
std::queue<PendingOperation> m_priority_operations;
std::mutex m_operation_mutex;
std::condition_variable m_operation_available;
std::jthread m_priority_thread;
bool m_priority_active = false;
uint64_t m_priority_active_tick = 0;
OperationState m_operation_state = OperationState::Open;
int m_current = -1;
bool m_recording = false;
HW::Context* m_registers = nullptr;
HW::UserConfig* m_user_config = nullptr;
HW::Shader* m_shaders = nullptr;
std::atomic<uint64_t> m_submit_sequence = 0;
MasterSemaphore m_master;
RenderContext& m_context;
GraphicContext& m_graphics;
CommandPool m_command_pool;
std::vector<std::unique_ptr<RenderCommandBuffer>> m_buffers;
std::vector<uint64_t> m_buffer_ticks;
std::queue<PendingOperation> m_pending_operations;
std::queue<PendingOperation> m_priority_operations;
std::mutex m_operation_mutex;
std::condition_variable m_operation_available;
std::jthread m_priority_thread;
bool m_priority_active = false;
uint64_t m_priority_active_tick = 0;
OperationState m_operation_state = OperationState::Open;
int m_current = -1;
bool m_recording = false;
HW::Context* m_registers = nullptr;
HW::UserConfig* m_user_config = nullptr;
HW::Shader* m_shaders = nullptr;
std::atomic<uint64_t> m_submit_sequence = 0;
friend class CommandBuffer;
};