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Added mutexes for command buffer acquisition and command list execution

Caleb Cornett 2022-03-07 22:30:06 -05:00
parent fef2a957d5
commit 0738ccb1d9
1 changed files with 18 additions and 10 deletions
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28
src/Refresh_Driver_D3D11.c
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@ -61,14 +61,6 @@
return ret; \ return ret; \
} }
#define ERROR_CHECK_UNLOCK_RETURN(msg, ret) \
if (FAILED(res)) \
{ \
D3D11_INTERNAL_LogError(renderer->device, msg, res); \
SDL_UnlockMutex(renderer->ctxLock); \
return ret; \
}
#define EXPAND_ELEMENTS_IF_NEEDED(arr, initialValue, type) \ #define EXPAND_ELEMENTS_IF_NEEDED(arr, initialValue, type) \
if (arr->count == arr->capacity) \ if (arr->count == arr->capacity) \
{ \ { \
@ -278,8 +270,10 @@ typedef struct D3D11Renderer
IDXGIAdapter1* adapter; IDXGIAdapter1* adapter;
void *d3d11_dll; void *d3d11_dll;
void *dxgi_dll; void *dxgi_dll;
SDL_mutex *immediateContextMutex;
D3D11CommandBufferPool *commandBufferPool; D3D11CommandBufferPool *commandBufferPool;
SDL_mutex *commandBufferAcquisitionMutex;
D3D11SwapchainData** swapchainDatas; D3D11SwapchainData** swapchainDatas;
uint32_t swapchainDataCount; uint32_t swapchainDataCount;
@ -993,6 +987,9 @@ static Refresh_CommandBuffer* D3D11_AcquireCommandBuffer(
uint32_t i; uint32_t i;
HRESULT res; HRESULT res;
/* Make sure multiple threads can't acquire the same command buffer. */
SDL_LockMutex(renderer->commandBufferAcquisitionMutex);
/* Try to use an existing command buffer, if one is available. */ /* Try to use an existing command buffer, if one is available. */
for (i = 0; i < renderer->commandBufferPool->count; i += 1) for (i = 0; i < renderer->commandBufferPool->count; i += 1)
{ {
@ -1025,7 +1022,11 @@ static Refresh_CommandBuffer* D3D11_AcquireCommandBuffer(
0, 0,
&renderer->commandBufferPool->elements[i]->context &renderer->commandBufferPool->elements[i]->context
); );
ERROR_CHECK_RETURN("Could not create deferred context for command buffer", NULL); if (FAILED(res))
{
SDL_UnlockMutex(renderer->commandBufferAcquisitionMutex);
ERROR_CHECK_RETURN("Could not create deferred context for command buffer", NULL);
}
/* Now we have a new command buffer we can use! */ /* Now we have a new command buffer we can use! */
commandBuffer = renderer->commandBufferPool->elements[i]; commandBuffer = renderer->commandBufferPool->elements[i];
@ -1039,6 +1040,8 @@ static Refresh_CommandBuffer* D3D11_AcquireCommandBuffer(
commandBuffer->swapchainData = NULL; commandBuffer->swapchainData = NULL;
commandBuffer->commandList = NULL; commandBuffer->commandList = NULL;
SDL_UnlockMutex(renderer->commandBufferAcquisitionMutex);
return (Refresh_CommandBuffer*) commandBuffer; return (Refresh_CommandBuffer*) commandBuffer;
} }
@ -1144,12 +1147,13 @@ static void D3D11_Submit(
} }
/* Submit the command list to the immediate context */ /* Submit the command list to the immediate context */
/* FIXME: Mutex lock me! */ SDL_LockMutex(renderer->immediateContextMutex);
ID3D11DeviceContext_ExecuteCommandList( ID3D11DeviceContext_ExecuteCommandList(
renderer->immediateContext, renderer->immediateContext,
commandList, commandList,
0 0
); );
SDL_UnlockMutex(renderer->immediateContextMutex);
/* Now that we're done, either save the command list or release it. */ /* Now that we're done, either save the command list or release it. */
if (commandBuffer->fixed) if (commandBuffer->fixed)
@ -1315,6 +1319,10 @@ tryCreateDevice:
); );
SDL_memset(renderer->commandBufferPool, 0, sizeof(D3D11CommandBufferPool)); SDL_memset(renderer->commandBufferPool, 0, sizeof(D3D11CommandBufferPool));
/* Create mutexes */
renderer->immediateContextMutex = SDL_CreateMutex();
renderer->commandBufferAcquisitionMutex = SDL_CreateMutex();
/* Initialize miscellaneous renderer members */ /* Initialize miscellaneous renderer members */
renderer->debugMode = (flags & D3D11_CREATE_DEVICE_DEBUG) != 0; renderer->debugMode = (flags & D3D11_CREATE_DEVICE_DEBUG) != 0;
renderer->blendFactor.x = 1.0f; renderer->blendFactor.x = 1.0f;