From dcac27b5d867ddfa440c60dfc5c0bf866c0836fc Mon Sep 17 00:00:00 2001 From: Caleb Cornett Date: Fri, 9 Feb 2024 11:19:51 -0600 Subject: [PATCH] Use NO_OVERWRITE on uniform buffers after the initial WRITE_DISCARD + SetBufferData cleanup --- src/Refresh_Driver_D3D11.c | 137 +++++++++++++++---------------------- 1 file changed, 57 insertions(+), 80 deletions(-) diff --git a/src/Refresh_Driver_D3D11.c b/src/Refresh_Driver_D3D11.c index 4dd899f..ee49475 100644 --- a/src/Refresh_Driver_D3D11.c +++ b/src/Refresh_Driver_D3D11.c @@ -440,6 +440,7 @@ typedef struct D3D11UniformBuffer { D3D11Buffer *d3d11Buffer; uint32_t offset; + uint8_t hasDiscarded; } D3D11UniformBuffer; typedef struct D3D11Fence @@ -1795,65 +1796,6 @@ static void D3D11_CopyTextureToBuffer( /* Buffer Data */ -static void D3D11_INTERNAL_SetBufferData( - D3D11Renderer *renderer, - D3D11CommandBuffer *commandBuffer, - D3D11Buffer *buffer, - uint32_t offsetInBytes, - void* data, - uint32_t dataLength, - uint8_t isUniformBuffer -) { - D3D11_BOX dstBox; - D3D11_MAPPED_SUBRESOURCE subres; - HRESULT res; - - if (isUniformBuffer) - { - res = ID3D11DeviceContext_Map( - commandBuffer->context, - (ID3D11Resource*) buffer->handle, - 0, - D3D11_MAP_WRITE_DISCARD, /* FIXME: Use NoOverwrite for subsequent writes! */ - 0, - &subres - ); - ERROR_CHECK_RETURN("Could not map buffer for writing!", ); - - SDL_memcpy( - (uint8_t*) subres.pData + offsetInBytes, - data, - dataLength - ); - - ID3D11DeviceContext_Unmap( - commandBuffer->context, - (ID3D11Resource*) buffer->handle, - 0 - ); - } - else - { - dstBox.left = offsetInBytes; - dstBox.right = offsetInBytes + dataLength; - dstBox.top = 0; - dstBox.bottom = 1; - dstBox.front = 0; - dstBox.back = 1; - - ID3D11DeviceContext1_UpdateSubresource1( - commandBuffer->context, - (ID3D11Resource*) buffer->handle, - 0, - &dstBox, - data, - dataLength, - 1, - dataLength == buffer->size ? D3D11_COPY_DISCARD : 0 - ); - } -} - static void D3D11_SetBufferData( Refresh_Renderer *driverData, Refresh_CommandBuffer *commandBuffer, @@ -1862,14 +1804,19 @@ static void D3D11_SetBufferData( void* data, uint32_t dataLength ) { - D3D11_INTERNAL_SetBufferData( - (D3D11Renderer*) driverData, - (D3D11CommandBuffer*) commandBuffer, - (D3D11Buffer*) buffer, - offsetInBytes, + D3D11CommandBuffer *d3d11CommandBuffer = (D3D11CommandBuffer*) commandBuffer; + D3D11Buffer *d3d11Buffer = (D3D11Buffer*) buffer; + D3D11_BOX dstBox = { offsetInBytes, 0, 0, offsetInBytes + dataLength, 1, 1 }; + + ID3D11DeviceContext1_UpdateSubresource1( + d3d11CommandBuffer->context, + (ID3D11Resource*) d3d11Buffer->handle, + 0, + &dstBox, data, dataLength, - 0 + 1, + dataLength == d3d11Buffer->size ? D3D11_COPY_DISCARD : 0 ); } @@ -1975,6 +1922,7 @@ static uint8_t D3D11_INTERNAL_CreateUniformBuffer( uniformBuffer = SDL_malloc(sizeof(D3D11UniformBuffer)); uniformBuffer->offset = 0; + uniformBuffer->hasDiscarded = 0; uniformBuffer->d3d11Buffer = SDL_malloc(sizeof(D3D11Buffer)); uniformBuffer->d3d11Buffer->handle = bufferHandle; uniformBuffer->d3d11Buffer->size = UBO_BUFFER_SIZE; @@ -2024,6 +1972,7 @@ static uint8_t D3D11_INTERNAL_AcquireUniformBuffer( SDL_UnlockMutex(renderer->uniformBufferLock); /* Reset the uniform buffer */ + uniformBuffer->hasDiscarded = 0; uniformBuffer->offset = 0; /* Bind the uniform buffer to the command buffer */ @@ -2043,6 +1992,40 @@ static uint8_t D3D11_INTERNAL_AcquireUniformBuffer( return 1; } +static void D3D11_INTERNAL_SetUniformBufferData( + D3D11Renderer *renderer, + D3D11CommandBuffer *commandBuffer, + D3D11UniformBuffer *uniformBuffer, + void* data, + uint32_t dataLength +) { + D3D11_MAPPED_SUBRESOURCE subres; + + HRESULT res = ID3D11DeviceContext_Map( + commandBuffer->context, + (ID3D11Resource*) uniformBuffer->d3d11Buffer->handle, + 0, + uniformBuffer->hasDiscarded ? D3D11_MAP_WRITE_NO_OVERWRITE : D3D11_MAP_WRITE_DISCARD, + 0, + &subres + ); + ERROR_CHECK_RETURN("Could not map buffer for writing!", ); + + SDL_memcpy( + (uint8_t*) subres.pData + uniformBuffer->offset, + data, + dataLength + ); + + ID3D11DeviceContext_Unmap( + commandBuffer->context, + (ID3D11Resource*) uniformBuffer->d3d11Buffer->handle, + 0 + ); + + uniformBuffer->hasDiscarded = 1; +} + static uint32_t D3D11_PushVertexShaderUniforms( Refresh_Renderer *driverData, Refresh_CommandBuffer *commandBuffer, @@ -2067,14 +2050,12 @@ static uint32_t D3D11_PushVertexShaderUniforms( offset = d3d11CommandBuffer->vertexUniformBuffer->offset; - D3D11_INTERNAL_SetBufferData( + D3D11_INTERNAL_SetUniformBufferData( renderer, d3d11CommandBuffer, - d3d11CommandBuffer->vertexUniformBuffer->d3d11Buffer, - d3d11CommandBuffer->vertexUniformBuffer->offset, + d3d11CommandBuffer->vertexUniformBuffer, data, - dataLengthInBytes, - 1 + dataLengthInBytes ); d3d11CommandBuffer->vertexUniformBuffer->offset += graphicsPipeline->vertexUniformBlockSize; @@ -2106,14 +2087,12 @@ static uint32_t D3D11_PushFragmentShaderUniforms( offset = d3d11CommandBuffer->fragmentUniformBuffer->offset; - D3D11_INTERNAL_SetBufferData( + D3D11_INTERNAL_SetUniformBufferData( renderer, d3d11CommandBuffer, - d3d11CommandBuffer->fragmentUniformBuffer->d3d11Buffer, - d3d11CommandBuffer->fragmentUniformBuffer->offset, + d3d11CommandBuffer->fragmentUniformBuffer, data, - dataLengthInBytes, - 1 + dataLengthInBytes ); d3d11CommandBuffer->fragmentUniformBuffer->offset += graphicsPipeline->fragmentUniformBlockSize; @@ -2145,14 +2124,12 @@ static uint32_t D3D11_PushComputeShaderUniforms( offset = d3d11CommandBuffer->computeUniformBuffer->offset; - D3D11_INTERNAL_SetBufferData( + D3D11_INTERNAL_SetUniformBufferData( renderer, d3d11CommandBuffer, - d3d11CommandBuffer->computeUniformBuffer->d3d11Buffer, - d3d11CommandBuffer->computeUniformBuffer->offset, + d3d11CommandBuffer->computeUniformBuffer, data, - dataLengthInBytes, - 1 + dataLengthInBytes ); d3d11CommandBuffer->computeUniformBuffer->offset += (uint32_t) computePipeline->computeUniformBlockSize; /* FIXME: Is this cast safe? */