Swapchain creation, resizing, and destruction
parent
387addd67d
commit
9bdad47a36
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@ -36,9 +36,17 @@
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#include "Refresh_Driver_D3D11_cdefines.h"
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#include <SDL.h>
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#include <SDL_syswm.h>
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/* Defines */
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#define D3D11_DLL "d3d11.dll"
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#define DXGI_DLL "dxgi.dll"
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#define WINDOW_SWAPCHAIN_DATA "Refresh_D3D11Swapchain"
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#define NOT_IMPLEMENTED SDL_assert(0 && "Not implemented!");
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/* Macros */
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#define ERROR_CHECK(msg) \
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if (FAILED(res)) \
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@ -78,9 +86,7 @@
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); \
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}
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#define NOT_IMPLEMENTED SDL_assert(0 && "Not implemented!");
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/* Conversions */
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/* Conversions */
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static DXGI_FORMAT RefreshToD3D11_SurfaceFormat[] =
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{
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@ -235,13 +241,26 @@ static D3D11_TEXTURE_ADDRESS_MODE RefreshToD3D11_SamplerAddressMode[] =
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/* Structs */
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typedef struct D3D11Texture
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{
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ID3D11RenderTargetView *rtv;
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} D3D11Texture;
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typedef struct D3D11SwapchainData
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{
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IDXGISwapChain* swapchain;
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D3D11Texture refreshTexture;
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void* windowHandle;
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} D3D11SwapchainData;
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typedef struct D3D11CommandBuffer
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{
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ID3D11DeviceContext *context;
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ID3D11CommandList *commandList;
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D3D11SwapchainData *swapchainData;
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SDL_threadID threadID;
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uint8_t recording;
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uint8_t fixed;
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ID3D11CommandList *commandList;
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} D3D11CommandBuffer;
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typedef struct D3D11CommandBufferPool
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@ -253,7 +272,6 @@ typedef struct D3D11CommandBufferPool
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typedef struct D3D11Renderer
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{
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/* Persistent D3D11 Objects*/
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ID3D11Device *device;
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ID3D11DeviceContext *immediateContext;
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IDXGIFactory1 *factory;
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@ -261,18 +279,22 @@ typedef struct D3D11Renderer
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void *d3d11_dll;
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void *dxgi_dll;
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/* Deferred Contexts */
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D3D11CommandBufferPool *commandBufferPool;
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/* Blend State */
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D3D11SwapchainData** swapchainDatas;
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uint32_t swapchainDataCount;
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uint32_t swapchainDataCapacity;
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Refresh_Vec4 blendFactor;
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/* Capabilities */
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uint8_t debugMode;
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D3D_FEATURE_LEVEL featureLevel;
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} D3D11Renderer;
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/* Predeclarations */
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static void D3D11_Wait(Refresh_Renderer* driverData);
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/* Logging */
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static void D3D11_INTERNAL_LogError(
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@ -331,6 +353,187 @@ static void D3D11_INTERNAL_LogError(
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Refresh_LogError("%s! Error Code: %s (0x%08X)", msg, wszMsgBuff, res);
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}
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/* Swapchain Management */
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static uint8_t D3D11_INTERNAL_CreateSwapchain(
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D3D11Renderer *renderer,
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void *windowHandle
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) {
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IDXGIFactory1 *pParent;
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DXGI_MODE_DESC swapchainBufferDesc;
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DXGI_SWAP_CHAIN_DESC swapchainDesc;
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IDXGISwapChain *swapchain;
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D3D11SwapchainData *swapchainData;
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SDL_SysWMinfo info;
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HWND dxgiHandle;
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ID3D11Texture2D *swapchainTexture;
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D3D11_RENDER_TARGET_VIEW_DESC swapchainViewDesc;
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HRESULT res;
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SDL_VERSION(&info.version);
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SDL_GetWindowWMInfo((SDL_Window*) windowHandle, &info);
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dxgiHandle = info.info.win.window;
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/* Initialize swapchain buffer descriptor */
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swapchainBufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
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swapchainBufferDesc.Width = 0;
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swapchainBufferDesc.Height = 0;
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swapchainBufferDesc.RefreshRate.Numerator = 0;
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swapchainBufferDesc.RefreshRate.Denominator = 0;
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swapchainBufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
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swapchainBufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
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/* Initialize the swapchain descriptor */
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swapchainDesc.BufferDesc = swapchainBufferDesc;
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swapchainDesc.BufferCount = 3;
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swapchainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
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swapchainDesc.OutputWindow = dxgiHandle;
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swapchainDesc.Flags = 0;
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swapchainDesc.SampleDesc.Count = 1;
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swapchainDesc.SampleDesc.Quality = 0;
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swapchainDesc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
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swapchainDesc.Windowed = 1;
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/* Create the swapchain! */
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res = IDXGIFactory1_CreateSwapChain(
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renderer->factory,
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(IUnknown*) renderer->device,
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&swapchainDesc,
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&swapchain
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);
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ERROR_CHECK_RETURN("Could not create swap chain", 0);
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/*
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* The swapchain's parent is a separate factory from the factory that
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* we used to create the swapchain, and only that parent can be used to
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* set the window association. Trying to set an association on our factory
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* will silently fail and doesn't even verify arguments or return errors.
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* See https://gamedev.net/forums/topic/634235-dxgidisabling-altenter/4999955/
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*/
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res = IDXGISwapChain_GetParent(
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swapchain,
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&D3D_IID_IDXGIFactory1,
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(void**) &pParent
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);
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if (FAILED(res))
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{
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Refresh_LogWarn(
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"Could not get swapchain parent! Error Code: %08X",
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res
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);
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}
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else
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{
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/* Disable DXGI window crap */
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res = IDXGIFactory1_MakeWindowAssociation(
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pParent,
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dxgiHandle,
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DXGI_MWA_NO_WINDOW_CHANGES
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);
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if (FAILED(res))
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{
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Refresh_LogWarn(
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"MakeWindowAssociation failed! Error Code: %08X",
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res
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);
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}
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}
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/* Set up the swapchain data */
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swapchainData = (D3D11SwapchainData*) SDL_malloc(sizeof(D3D11SwapchainData));
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swapchainData->swapchain = swapchain;
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swapchainData->windowHandle = windowHandle;
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swapchainData->refreshTexture.rtv = NULL;
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SDL_SetWindowData((SDL_Window*) windowHandle, WINDOW_SWAPCHAIN_DATA, swapchainData);
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if (renderer->swapchainDataCount >= renderer->swapchainDataCapacity)
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{
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renderer->swapchainDataCapacity *= 2;
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renderer->swapchainDatas = SDL_realloc(
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renderer->swapchainDatas,
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renderer->swapchainDataCapacity * sizeof(D3D11SwapchainData*)
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);
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}
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renderer->swapchainDatas[renderer->swapchainDataCount] = swapchainData;
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renderer->swapchainDataCount += 1;
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/* Create the RTV for the swapchain */
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swapchainViewDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
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swapchainViewDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
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swapchainViewDesc.Texture2D.MipSlice = 0;
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res = IDXGISwapChain_GetBuffer(
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swapchainData->swapchain,
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0,
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&D3D_IID_ID3D11Texture2D,
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(void**) &swapchainTexture
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);
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ERROR_CHECK_RETURN("Could not get buffer from swapchain", 0);
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res = ID3D11Device_CreateRenderTargetView(
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renderer->device,
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(ID3D11Resource*) swapchainTexture,
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&swapchainViewDesc,
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&swapchainData->refreshTexture.rtv
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);
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ERROR_CHECK_RETURN("Swapchain RT view creation failed", 0);
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/* Cleanup */
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ID3D11Texture2D_Release(swapchainTexture);
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return 1;
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}
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static uint8_t D3D11_INTERNAL_ResizeSwapchain(
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D3D11Renderer *renderer,
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D3D11SwapchainData *swapchainData
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) {
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ID3D11Texture2D *swapchainTexture;
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D3D11_RENDER_TARGET_VIEW_DESC swapchainViewDesc;
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int w, h;
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HRESULT res;
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/* Release the old RTV */
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ID3D11RenderTargetView_Release(swapchainData->refreshTexture.rtv);
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/* Resize the swapchain */
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SDL_GetWindowSize((SDL_Window*) swapchainData->windowHandle, &w, &h);
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res = IDXGISwapChain_ResizeBuffers(
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swapchainData->swapchain,
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0, /* Keep buffer count the same */
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w,
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h,
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DXGI_FORMAT_UNKNOWN, /* Keep the old format */
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0
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);
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ERROR_CHECK_RETURN("Could not resize swapchain buffers", 0);
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/* Recreate the RTV using the new swapchain buffer */
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swapchainViewDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
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swapchainViewDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
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swapchainViewDesc.Texture2D.MipSlice = 0;
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res = IDXGISwapChain_GetBuffer(
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swapchainData->swapchain,
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0,
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&D3D_IID_ID3D11Texture2D,
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&swapchainTexture
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);
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ERROR_CHECK_RETURN("Could not get buffer from swapchain", 0);
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res = ID3D11Device_CreateRenderTargetView(
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renderer->device,
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(ID3D11Resource*) swapchainTexture,
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&swapchainViewDesc,
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&swapchainData->refreshTexture.rtv
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);
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ERROR_CHECK_RETURN("Could not create render target view for swapchain", 0);
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/* Cleanup */
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ID3D11Texture2D_Release(swapchainTexture);
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return 1;
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}
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/* Quit */
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static void D3D11_DestroyDevice(
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@ -354,6 +557,15 @@ static void D3D11_DestroyDevice(
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SDL_free(renderer->commandBufferPool->elements);
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SDL_free(renderer->commandBufferPool);
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/* Release swapchain */
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for (i = 0; i < renderer->swapchainDataCount; i += 1)
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{
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ID3D11RenderTargetView_Release(renderer->swapchainDatas[i]->refreshTexture.rtv);
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IDXGISwapChain_Release(renderer->swapchainDatas[i]->swapchain);
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SDL_free(renderer->swapchainDatas[i]);
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}
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SDL_free(renderer->swapchainDatas);
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/* Release persistent D3D11 objects */
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ID3D11DeviceContext_Release(renderer->immediateContext);
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ID3D11Device_Release(renderer->device);
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@ -776,24 +988,79 @@ static Refresh_CommandBuffer* D3D11_AcquireCommandBuffer(
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commandBuffer->threadID = SDL_ThreadID();
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commandBuffer->recording = 1;
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commandBuffer->fixed = fixed;
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commandBuffer->swapchainData = NULL;
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commandBuffer->commandList = NULL;
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return (Refresh_CommandBuffer*) commandBuffer;
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}
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Refresh_Texture* D3D11_AcquireSwapchainTexture(
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Refresh_Renderer* driverData,
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Refresh_CommandBuffer* commandBuffer,
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static D3D11SwapchainData* D3D11_INTERNAL_FetchSwapchainData(
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D3D11Renderer* renderer,
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void* windowHandle
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) {
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NOT_IMPLEMENTED
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D3D11SwapchainData* swapchainData = NULL;
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swapchainData = (D3D11SwapchainData*) SDL_GetWindowData(windowHandle, WINDOW_SWAPCHAIN_DATA);
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if (swapchainData == NULL)
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{
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if (D3D11_INTERNAL_CreateSwapchain(renderer, windowHandle))
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{
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swapchainData = (D3D11SwapchainData*) SDL_GetWindowData(windowHandle, WINDOW_SWAPCHAIN_DATA);
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}
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}
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return swapchainData;
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}
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Refresh_Texture* D3D11_AcquireSwapchainTexture(
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Refresh_Renderer *driverData,
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Refresh_CommandBuffer *commandBuffer,
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void *windowHandle
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) {
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D3D11Renderer *renderer = (D3D11Renderer*) driverData;
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D3D11CommandBuffer *cmdbuf = (D3D11CommandBuffer*) commandBuffer;
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D3D11SwapchainData *swapchainData;
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DXGI_SWAP_CHAIN_DESC swapchainDesc;
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int w, h;
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HRESULT res;
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/* Fetch the swapchain data, creating a new swapchain if needed. */
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swapchainData = D3D11_INTERNAL_FetchSwapchainData(renderer, windowHandle);
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if (swapchainData == NULL)
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{
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return NULL;
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}
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/* Check for window size changes and resize the swapchain if needed. */
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IDXGISwapChain_GetDesc(swapchainData->swapchain, &swapchainDesc);
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SDL_GetWindowSize((SDL_Window*) windowHandle, &w, &h);
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if (w != swapchainDesc.BufferDesc.Width || h != swapchainDesc.BufferDesc.Height)
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{
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res = D3D11_INTERNAL_ResizeSwapchain(renderer, swapchainData);
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ERROR_CHECK_RETURN("Could not resize swapchain", NULL);
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}
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/* Let's try this again... */
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swapchainData = D3D11_INTERNAL_FetchSwapchainData(renderer, windowHandle);
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if (swapchainData == NULL)
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{
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return NULL;
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}
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/* Let the command buffer know it's associated with this swapchain. */
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cmdbuf->swapchainData = swapchainData;
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/* Return the swapchain texture */
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return (Refresh_Texture*) &swapchainData->refreshTexture;
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}
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Refresh_TextureFormat D3D11_GetSwapchainFormat(
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Refresh_Renderer* driverData,
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void* windowHandle
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) {
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NOT_IMPLEMENTED
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return DXGI_FORMAT_R8G8B8A8_UNORM;
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}
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static void D3D11_Submit(
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@ -814,6 +1081,7 @@ static void D3D11_Submit(
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if (commandBuffer->fixed && !commandBuffer->recording)
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{
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/* Grab the prerecorded command list. */
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commandList = commandBuffer->commandList;
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}
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else
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@ -847,6 +1115,16 @@ static void D3D11_Submit(
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/* Mark the command buffer as not-recording so that it can be used to record again. */
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commandBuffer->recording = 0;
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/* Present, if applicable */
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if (commandBuffer->swapchainData)
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{
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IDXGISwapChain_Present(
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commandBuffer->swapchainData->swapchain,
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1, /* FIXME: Assumes vsync! */
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0
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);
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}
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}
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}
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@ -1002,6 +1280,18 @@ tryCreateDevice:
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result->driverData = (Refresh_Renderer*) renderer;
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/* Create the initial swapchain */
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renderer->swapchainDataCapacity = 1;
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renderer->swapchainDataCount = 0;
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renderer->swapchainDatas = SDL_malloc(
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renderer->swapchainDataCapacity * sizeof(D3D11SwapchainData*)
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);
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if (!D3D11_INTERNAL_CreateSwapchain(renderer, presentationParameters->deviceWindowHandle))
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{
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return NULL;
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}
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return result;
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}
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@ -32,6 +32,7 @@ typedef HRESULT(WINAPI* PFN_CREATE_DXGI_FACTORY)(const GUID* riid, void** ppFact
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static const IID D3D_IID_IDXGIFactory1 = { 0x770aae78,0xf26f,0x4dba,{0xa8,0x29,0x25,0x3c,0x83,0xd1,0xb3,0x87} };
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static const IID D3D_IID_IDXGIFactory6 = { 0xc1b6694f,0xff09,0x44a9,{0xb0,0x3c,0x77,0x90,0x0a,0x0a,0x1d,0x17} };
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static const IID D3D_IID_IDXGIAdapter1 = { 0x29038f61,0x3839,0x4626,{0x91,0xfd,0x08,0x68,0x79,0x01,0x1a,0x05} };
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static const IID D3D_IID_ID3D11Texture2D = { 0x6f15aaf2,0xd208,0x4e89,{0x9a,0xb4,0x48,0x95,0x35,0xd3,0x4f,0x9c} };
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/* IDXGIFactory6 (taken from dxgi1_6.h, cleaned up a bit) */
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typedef enum
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