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Vulkan: Use multiple command pools, one per frame

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Instead of resetting two command buffers, now we only have to call
vkResetCommandPool once at the start of a frame.

NV's recommends using one pool per frame/thread. May offer a very small
boost in performance on some systems.
This commit is contained in:
Stenzek
2016-11-03 23:42:41 +11:00
parent 017ab71fcf
commit 3c92b35422
2 changed files with 30 additions and 48 deletions
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7
Source/Core/VideoBackends/Vulkan/CommandBufferManager.h
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@ -33,7 +33,6 @@ public:
bool Initialize();
VkCommandPool GetCommandPool() const { return m_command_pool; }
// These command buffers are allocated per-frame. They are valid until the command buffer
// is submitted, after that you should call these functions again.
VkCommandBuffer GetCurrentInitCommandBuffer()
@ -100,9 +99,6 @@ public:
void RemoveFencePointCallback(const void* key);
private:
bool CreateCommandPool();
void DestroyCommandPool();
bool CreateCommandBuffers();
void DestroyCommandBuffers();
@ -113,11 +109,10 @@ private:
void OnCommandBufferExecuted(size_t index);
VkCommandPool m_command_pool = VK_NULL_HANDLE;
struct FrameResources
{
// [0] - Init (upload) command buffer, [1] - draw command buffer
VkCommandPool command_pool;
std::array<VkCommandBuffer, 2> command_buffers;
VkDescriptorPool descriptor_pool;
VkFence fence;