First pass at fence infrastructure
parent
ebf96ff423
commit
0d6043cfef
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@ -443,6 +443,11 @@ typedef struct D3D11UniformBuffer
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uint32_t offset;
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} D3D11UniformBuffer;
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typedef struct D3D11Fence
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{
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ID3D11Query *handle;
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} D3D11Fence;
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typedef struct D3D11CommandBuffer
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{
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/* D3D11 Object References */
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@ -459,7 +464,7 @@ typedef struct D3D11CommandBuffer
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/* State */
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SDL_threadID threadID;
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ID3D11Query *completionQuery;
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D3D11Fence *fence;
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/* Uniforms */
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D3D11UniformBuffer *vertexUniformBuffer;
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@ -509,9 +514,14 @@ typedef struct D3D11Renderer
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uint32_t availableUniformBufferCount;
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uint32_t availableUniformBufferCapacity;
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D3D11Fence **availableFences;
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uint32_t availableFenceCount;
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uint32_t availableFenceCapacity;
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SDL_mutex *contextLock;
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SDL_mutex *acquireCommandBufferLock;
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SDL_mutex *uniformBufferLock;
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SDL_mutex *acquireFenceLock;
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} D3D11Renderer;
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/* Logging */
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@ -606,7 +616,6 @@ static void D3D11_DestroyDevice(
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for (uint32_t i = 0; i < renderer->availableCommandBufferCount; i += 1)
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{
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D3D11CommandBuffer *commandBuffer = renderer->availableCommandBuffers[i];
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ID3D11Query_Release(commandBuffer->completionQuery);
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ID3D11DeviceContext_Release(commandBuffer->context);
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SDL_free(commandBuffer);
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}
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@ -623,10 +632,20 @@ static void D3D11_DestroyDevice(
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}
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SDL_free(renderer->availableUniformBuffers);
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/* Release fence infrastructure */
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for (uint32_t i = 0; i < renderer->availableFenceCount; i += 1)
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{
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D3D11Fence *fence = renderer->availableFences[i];
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ID3D11Query_Release(fence->handle);
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SDL_free(fence);
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}
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SDL_free(renderer->availableFences);
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/* Release the mutexes */
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SDL_DestroyMutex(renderer->acquireCommandBufferLock);
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SDL_DestroyMutex(renderer->contextLock);
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SDL_DestroyMutex(renderer->uniformBufferLock);
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SDL_DestroyMutex(renderer->acquireFenceLock);
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/* Release the device and associated objects */
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ID3D11DeviceContext_Release(renderer->immediateContext);
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@ -2193,7 +2212,6 @@ static void D3D11_INTERNAL_AllocateCommandBuffers(
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uint32_t allocateCount
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) {
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D3D11CommandBuffer *commandBuffer;
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D3D11_QUERY_DESC queryDesc;
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HRESULT res;
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renderer->availableCommandBufferCapacity += allocateCount;
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@ -2215,16 +2233,6 @@ static void D3D11_INTERNAL_AllocateCommandBuffers(
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);
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ERROR_CHECK("Could not create deferred context");
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/* Fence Query */
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queryDesc.Query = D3D11_QUERY_EVENT;
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queryDesc.MiscFlags = 0;
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res = ID3D11Device_CreateQuery(
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renderer->device,
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&queryDesc,
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&commandBuffer->completionQuery
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);
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ERROR_CHECK("Could not create query");
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/* Bound Uniform Buffers */
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commandBuffer->boundUniformBufferCapacity = 16;
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commandBuffer->boundUniformBufferCount = 0;
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@ -2232,8 +2240,6 @@ static void D3D11_INTERNAL_AllocateCommandBuffers(
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commandBuffer->boundUniformBufferCapacity * sizeof(D3D11UniformBuffer*)
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);
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/* FIXME: Resource tracking? */
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renderer->availableCommandBuffers[renderer->availableCommandBufferCount] = commandBuffer;
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renderer->availableCommandBufferCount += 1;
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}
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@ -2258,6 +2264,59 @@ static D3D11CommandBuffer* D3D11_INTERNAL_GetInactiveCommandBufferFromPool(
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return commandBuffer;
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}
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static void D3D11_INTERNAL_AllocateFences(
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D3D11Renderer *renderer,
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uint32_t allocateCount
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) {
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D3D11Fence *fence;
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D3D11_QUERY_DESC queryDesc;
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HRESULT res;
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renderer->availableFenceCapacity += allocateCount;
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renderer->availableFences = SDL_realloc(
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renderer->availableFences,
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sizeof(D3D11Fence*) * renderer->availableFenceCapacity
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);
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for (uint32_t i = 0; i < allocateCount; i += 1)
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{
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fence = SDL_malloc(sizeof(D3D11Fence));
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queryDesc.Query = D3D11_QUERY_EVENT;
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queryDesc.MiscFlags = 0;
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res = ID3D11Device_CreateQuery(
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renderer->device,
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&queryDesc,
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&fence->handle
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);
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ERROR_CHECK("Could not create query"); /* FIXME: Should this return an error code? */
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renderer->availableFences[renderer->availableFenceCount] = fence;
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renderer->availableFenceCount += 1;
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}
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}
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static D3D11Fence* D3D11_INTERNAL_GetFenceFromPool(
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D3D11Renderer* renderer
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) {
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D3D11Fence *fence;
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SDL_LockMutex(renderer->acquireFenceLock);
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if (renderer->availableFenceCount == 0)
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{
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D3D11_INTERNAL_AllocateFences(renderer, renderer->availableFenceCapacity);
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}
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fence = renderer->availableFences[renderer->availableFenceCount - 1];
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renderer->availableFenceCount -= 1;
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SDL_UnlockMutex(renderer->acquireFenceLock);
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return fence;
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}
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static Refresh_CommandBuffer* D3D11_AcquireCommandBuffer(
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Refresh_Renderer *driverData
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) {
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@ -2267,8 +2326,8 @@ static Refresh_CommandBuffer* D3D11_AcquireCommandBuffer(
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SDL_LockMutex(renderer->acquireCommandBufferLock);
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/* Set up the command buffer */
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commandBuffer = D3D11_INTERNAL_GetInactiveCommandBufferFromPool(renderer);
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commandBuffer->threadID = SDL_ThreadID();
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commandBuffer->swapchainData = NULL;
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commandBuffer->graphicsPipeline = NULL;
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@ -2277,11 +2336,16 @@ static Refresh_CommandBuffer* D3D11_AcquireCommandBuffer(
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commandBuffer->fragmentUniformBuffer = NULL;
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commandBuffer->computeUniformBuffer = NULL;
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commandBuffer->dsView = NULL;
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for (i = 0; i < MAX_COLOR_TARGET_BINDINGS; i += 1)
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{
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commandBuffer->rtViews[i] = NULL;
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}
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SDL_LockMutex(renderer->acquireFenceLock);
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commandBuffer->fence = D3D11_INTERNAL_GetFenceFromPool(renderer);
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SDL_UnlockMutex(renderer->acquireFenceLock);
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SDL_UnlockMutex(renderer->acquireCommandBufferLock);
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return (Refresh_CommandBuffer*) commandBuffer;
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@ -3111,6 +3175,22 @@ static void D3D11_INTERNAL_CleanCommandBuffer(
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commandBuffer->boundUniformBufferCount = 0;
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/* The fence is now available */
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/* FIXME: Not if auto-release is false! */
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SDL_LockMutex(renderer->acquireFenceLock);
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if (renderer->availableFenceCount == renderer->availableFenceCapacity)
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{
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renderer->availableFenceCapacity *= 2;
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renderer->availableFences = SDL_realloc(
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renderer->availableFences,
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renderer->availableFenceCapacity * sizeof(D3D11Fence*)
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);
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}
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renderer->availableFences[renderer->availableFenceCount] = commandBuffer->fence;
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renderer->availableFenceCount += 1;
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SDL_UnlockMutex(renderer->acquireFenceLock);
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/* Return command buffer to pool */
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SDL_LockMutex(renderer->acquireCommandBufferLock);
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@ -3155,7 +3235,7 @@ static void D3D11_Submit(
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/* Notify the command buffer completion query that we have completed recording */
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ID3D11DeviceContext_End(
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renderer->immediateContext,
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(ID3D11Asynchronous*) d3d11CommandBuffer->completionQuery
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(ID3D11Asynchronous*) d3d11CommandBuffer->fence->handle
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);
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/* Serialize the commands into the command list */
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@ -3205,7 +3285,7 @@ static void D3D11_Submit(
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res = ID3D11DeviceContext_GetData(
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renderer->immediateContext,
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(ID3D11Asynchronous*) renderer->submittedCommandBuffers[i]->completionQuery,
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(ID3D11Asynchronous*) renderer->submittedCommandBuffers[i]->fence->handle,
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&queryData,
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sizeof(queryData),
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0
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@ -3245,7 +3325,7 @@ static void D3D11_Wait(
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{
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while (S_OK != ID3D11DeviceContext_GetData(
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renderer->immediateContext,
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(ID3D11Asynchronous*) renderer->submittedCommandBuffers[i]->completionQuery,
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(ID3D11Asynchronous*) renderer->submittedCommandBuffers[i]->fence->handle,
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&queryData,
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sizeof(queryData),
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0
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@ -3262,8 +3342,6 @@ static void D3D11_Wait(
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D3D11_INTERNAL_CleanCommandBuffer(renderer, commandBuffer);
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}
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/* FIXME: D3D11_INTERNAL_PerformPendingDestroys(renderer); */
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SDL_UnlockMutex(renderer->contextLock);
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}
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@ -3615,17 +3693,21 @@ tryCreateDevice:
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renderer->contextLock = SDL_CreateMutex();
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renderer->acquireCommandBufferLock = SDL_CreateMutex();
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renderer->uniformBufferLock = SDL_CreateMutex();
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renderer->acquireFenceLock = SDL_CreateMutex();
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/* Initialize miscellaneous renderer members */
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renderer->debugMode = (flags & D3D11_CREATE_DEVICE_DEBUG);
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/* Create command buffers to initialize the pool */
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/* Create command buffer pool */
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D3D11_INTERNAL_AllocateCommandBuffers(renderer, 2);
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/* Create uniform buffer pool */
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renderer->availableUniformBufferCapacity = 2;
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renderer->availableUniformBuffers = SDL_malloc(sizeof(D3D11UniformBuffer*) * renderer->availableUniformBufferCapacity);
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/* Create fence pool */
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D3D11_INTERNAL_AllocateFences(renderer, 2);
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/* Create the Refresh Device */
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result = (Refresh_Device*) SDL_malloc(sizeof(Refresh_Device));
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ASSIGN_DRIVER(D3D11)
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