Groundwork for D3D11. Yoinked most of this from the prior work, but updated the ABI

CMakeLists.txt

@@ -41,6 +41,12 @@ add_definitions(
 	-DREFRESH_DRIVER_VULKAN
 )
 
+if (WIN32)
+	add_definitions(
+		-DREFRESH_DRIVER_D3D11
+	)
+endif()
+
 # Source lists
 add_library(Refresh
 	# Public Headers
@@ -51,6 +57,7 @@ add_library(Refresh
 	src/Refresh_Driver_Vulkan_vkfuncs.h
 	# Source Files
 	src/Refresh.c
+	src/Refresh_Driver_D3D11.c
 	src/Refresh_Driver_Vulkan.c
 	src/Refresh_Image.c
 )

include/Refresh.h

@@ -343,6 +343,7 @@ typedef enum Refresh_Backend
 {
 	REFRESH_BACKEND_DONTCARE,
 	REFRESH_BACKEND_VULKAN,
+	REFRESH_BACKEND_D3D11,
 	REFRESH_BACKEND_PS5,
 	REFRESH_BACKEND_INVALID
 } Refresh_Backend;

src/Refresh.c

@@ -39,6 +39,12 @@
 	#define VULKAN_DRIVER NULL
 #endif
 
+#ifdef REFRESH_DRIVER_D3D11
+	#define D3D11_DRIVER &D3D11Driver
+#else
+	#define D3D11_DRIVER NULL
+#endif
+
 #ifdef REFRESH_DRIVER_PS5
 	#define PS5_DRIVER &PS5Driver
 #else
@@ -47,6 +53,7 @@
 
 static const Refresh_Driver *backends[] = {
 	NULL,
+	D3D11_DRIVER,
 	VULKAN_DRIVER,
 	PS5_DRIVER
 };

src/Refresh_Driver.h

@@ -661,6 +661,7 @@ typedef struct Refresh_Driver
 } Refresh_Driver;
 
 extern Refresh_Driver VulkanDriver;
+extern Refresh_Driver D3D11Driver;
 extern Refresh_Driver PS5Driver;
 
 #endif /* REFRESH_DRIVER_H */

src/Refresh_Driver_D3D11_cdefines.h

@@ -0,0 +1,215 @@
+/* Refresh - XNA-inspired 3D Graphics Library with modern capabilities
+ *
+ * Copyright (c) 2020 Evan Hemsley
+ *
+ * This software is provided 'as-is', without any express or implied warranty.
+ * In no event will the authors be held liable for any damages arising from
+ * the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software in a
+ * product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source distribution.
+ *
+ * Evan "cosmonaut" Hemsley <evan@moonside.games>
+ *
+ */
+
+/* Function Pointer Signatures */
+typedef HRESULT(WINAPI* PFN_CREATE_DXGI_FACTORY)(const GUID* riid, void** ppFactory);
+
+ /* IIDs (from https://magnumdb.com) */
+
+static const IID D3D_IID_IDXGIFactory1 = { 0x770aae78,0xf26f,0x4dba,{0xa8,0x29,0x25,0x3c,0x83,0xd1,0xb3,0x87} };
+static const IID D3D_IID_IDXGIFactory6 = { 0xc1b6694f,0xff09,0x44a9,{0xb0,0x3c,0x77,0x90,0x0a,0x0a,0x1d,0x17} };
+static const IID D3D_IID_IDXGIAdapter1 = { 0x29038f61,0x3839,0x4626,{0x91,0xfd,0x08,0x68,0x79,0x01,0x1a,0x05} };
+static const IID D3D_IID_ID3D11Texture2D = { 0x6f15aaf2,0xd208,0x4e89,{0x9a,0xb4,0x48,0x95,0x35,0xd3,0x4f,0x9c} };
+
+/* IDXGIFactory6 (taken from dxgi1_6.h, cleaned up a bit) */
+typedef enum
+{
+	DXGI_FEATURE_PRESENT_ALLOW_TEARING = 0
+} DXGI_FEATURE;
+
+typedef enum
+{
+	DXGI_GPU_PREFERENCE_UNSPECIFIED = 0,
+	DXGI_GPU_PREFERENCE_MINIMUM_POWER = (DXGI_GPU_PREFERENCE_UNSPECIFIED + 1),
+	DXGI_GPU_PREFERENCE_HIGH_PERFORMANCE = (DXGI_GPU_PREFERENCE_MINIMUM_POWER + 1)
+} DXGI_GPU_PREFERENCE;
+
+typedef struct IDXGIFactory6 IDXGIFactory6;
+typedef struct IDXGIFactory6Vtbl
+{
+	HRESULT(STDMETHODCALLTYPE* QueryInterface)(
+		IDXGIFactory6* This,
+		REFIID riid,
+		void** ppvObject);
+
+	ULONG(STDMETHODCALLTYPE* AddRef)(
+		IDXGIFactory6* This);
+
+	ULONG(STDMETHODCALLTYPE* Release)(
+		IDXGIFactory6* This);
+
+	HRESULT(STDMETHODCALLTYPE* SetPrivateData)(
+		IDXGIFactory6* This,
+		REFGUID Name,
+		UINT DataSize,
+		const void* pData);
+
+	HRESULT(STDMETHODCALLTYPE* SetPrivateDataInterface)(
+		IDXGIFactory6* This,
+		REFGUID Name,
+		const IUnknown* pUnknown);
+
+	HRESULT(STDMETHODCALLTYPE* GetPrivateData)(
+		IDXGIFactory6* This,
+		REFGUID Name,
+		UINT* pDataSize,
+		void* pData);
+
+	HRESULT(STDMETHODCALLTYPE* GetParent)(
+		IDXGIFactory6* This,
+		REFIID riid,
+		void** ppParent);
+
+	HRESULT(STDMETHODCALLTYPE* EnumAdapters)(
+		IDXGIFactory6* This,
+		UINT Adapter,
+		IDXGIAdapter** ppAdapter);
+
+	HRESULT(STDMETHODCALLTYPE* MakeWindowAssociation)(
+		IDXGIFactory6* This,
+		HWND WindowHandle,
+		UINT Flags);
+
+	HRESULT(STDMETHODCALLTYPE* GetWindowAssociation)(
+		IDXGIFactory6* This,
+		HWND* pWindowHandle);
+
+	HRESULT(STDMETHODCALLTYPE* CreateSwapChain)(
+		IDXGIFactory6* This,
+		IUnknown* pDevice,
+		DXGI_SWAP_CHAIN_DESC* pDesc,
+		IDXGISwapChain** ppSwapChain);
+
+	HRESULT(STDMETHODCALLTYPE* CreateSoftwareAdapter)(
+		IDXGIFactory6* This,
+		HMODULE Module,
+		IDXGIAdapter** ppAdapter);
+
+	HRESULT(STDMETHODCALLTYPE* EnumAdapters1)(
+		IDXGIFactory6* This,
+		UINT Adapter,
+		IDXGIAdapter1** ppAdapter);
+
+	BOOL(STDMETHODCALLTYPE* IsCurrent)(
+		IDXGIFactory6* This);
+
+	BOOL(STDMETHODCALLTYPE* IsWindowedStereoEnabled)(
+		IDXGIFactory6* This);
+
+	HRESULT(STDMETHODCALLTYPE* CreateSwapChainForHwnd)(
+		IDXGIFactory6* This,
+		IUnknown* pDevice,
+		HWND hWnd,
+		void* pDesc,
+		void* pFullscreenDesc,
+		void* pRestrictToOutput,
+		void** ppSwapChain);
+
+	HRESULT(STDMETHODCALLTYPE* CreateSwapChainForCoreWindow)(
+		IDXGIFactory6* This,
+		IUnknown* pDevice,
+		IUnknown* pWindow,
+		void* pDesc,
+		void* pRestrictToOutput,
+		void** ppSwapChain);
+
+	HRESULT(STDMETHODCALLTYPE* GetSharedResourceAdapterLuid)(
+		IDXGIFactory6* This,
+		HANDLE hResource,
+		LUID* pLuid);
+
+	HRESULT(STDMETHODCALLTYPE* RegisterStereoStatusWindow)(
+		IDXGIFactory6* This,
+		HWND WindowHandle,
+		UINT wMsg,
+		DWORD* pdwCookie);
+
+	HRESULT(STDMETHODCALLTYPE* RegisterStereoStatusEvent)(
+		IDXGIFactory6* This,
+		HANDLE hEvent,
+		DWORD* pdwCookie);
+
+	void (STDMETHODCALLTYPE* UnregisterStereoStatus)(
+		IDXGIFactory6* This,
+		DWORD dwCookie);
+
+	HRESULT(STDMETHODCALLTYPE* RegisterOcclusionStatusWindow)(
+		IDXGIFactory6* This,
+		HWND WindowHandle,
+		UINT wMsg,
+		DWORD* pdwCookie);
+
+	HRESULT(STDMETHODCALLTYPE* RegisterOcclusionStatusEvent)(
+		IDXGIFactory6* This,
+		HANDLE hEvent,
+		DWORD* pdwCookie);
+
+	void (STDMETHODCALLTYPE* UnregisterOcclusionStatus)(
+		IDXGIFactory6* This,
+		DWORD dwCookie);
+
+	HRESULT(STDMETHODCALLTYPE* CreateSwapChainForComposition)(
+		IDXGIFactory6* This,
+		IUnknown* pDevice,
+		void* pDesc,
+		void* pRestrictToOutput,
+		void** ppSwapChain);
+
+	UINT(STDMETHODCALLTYPE* GetCreationFlags)(
+		IDXGIFactory6* This);
+
+	HRESULT(STDMETHODCALLTYPE* EnumAdapterByLuid)(
+		IDXGIFactory6* This,
+		LUID AdapterLuid,
+		REFIID riid,
+		void** ppvAdapter);
+
+	HRESULT(STDMETHODCALLTYPE* EnumWarpAdapter)(
+		IDXGIFactory6* This,
+		REFIID riid,
+		void** ppvAdapter);
+
+	HRESULT(STDMETHODCALLTYPE* CheckFeatureSupport)(
+		IDXGIFactory6* This,
+		DXGI_FEATURE Feature,
+		void* pFeatureSupportData,
+		UINT FeatureSupportDataSize);
+
+	HRESULT(STDMETHODCALLTYPE* EnumAdapterByGpuPreference)(
+		IDXGIFactory6* This,
+		UINT Adapter,
+		DXGI_GPU_PREFERENCE GpuPreference,
+		REFIID riid,
+		void** ppvAdapter);
+} IDXGIFactory6Vtbl;
+
+struct IDXGIFactory6
+{
+	struct IDXGIFactory6Vtbl* lpVtbl;
+};
+
+#define IDXGIFactory6_EnumAdapterByGpuPreference(This,Adapter,GpuPreference,riid,ppvAdapter)	\
+	( (This)->lpVtbl -> EnumAdapterByGpuPreference(This,Adapter,GpuPreference,riid,ppvAdapter) ) 

visualc/Refresh.vcxproj

@@ -61,7 +61,7 @@
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
-      <PreprocessorDefinitions>REFRESH_DRIVER_VULKAN;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>REFRESH_DRIVER_VULKAN;REFRESH_DRIVER_D3D11;%(PreprocessorDefinitions)</PreprocessorDefinitions>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>DebugFull</GenerateDebugInformation>
@@ -72,7 +72,7 @@
     <ClCompile>
       <WarningLevel>Level3</WarningLevel>
       <Optimization>MaxSpeed</Optimization>
-      <PreprocessorDefinitions>REFRESH_DRIVER_VULKAN;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>REFRESH_DRIVER_VULKAN;REFRESH_DRIVER_D3D11;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
     </ClCompile>
@@ -84,6 +84,7 @@
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="..\src\Refresh.c" />
+    <ClCompile Include="..\src\Refresh_Driver_D3D11.c" />
     <ClCompile Include="..\src\Refresh_Driver_Vulkan.c" />
     <ClCompile Include="..\src\Refresh_Image.c" />
   </ItemGroup>
@@ -91,6 +92,7 @@
     <ClInclude Include="..\include\Refresh.h" />
     <ClInclude Include="..\include\Refresh_Image.h" />
     <ClInclude Include="..\src\Refresh_Driver.h" />
+    <ClInclude Include="..\src\Refresh_Driver_D3D11_cdefines.h" />
     <ClInclude Include="..\src\Refresh_Driver_Vulkan_vkfuncs.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />

visualc/Refresh.vcxproj.filters

@@ -10,6 +10,9 @@
     <ClCompile Include="..\src\Refresh_Image.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\src\Refresh_Driver_D3D11.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\include\Refresh.h">
@@ -24,6 +27,9 @@
     <ClInclude Include="..\include\Refresh_Image.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\src\Refresh_Driver_D3D11_cdefines.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Filter Include="Header Files">