Added SDL_PROP_GPU_TEXTURE_CREATE_DXGI_SHARED_HANDLE_POINTER

This allows sharing textures from other APIs with the GPU API

Author: slouken

include/SDL3/SDL_gpu.h

@@ -2733,6 +2733,7 @@ extern SDL_DECLSPEC SDL_GPUShader * SDLCALL SDL_CreateGPUShader(
  *   clear the texture to a stencil of this Uint8 value. Defaults to zero.
  * - `SDL_PROP_GPU_TEXTURE_CREATE_NAME_STRING`: a name that can be displayed
  *   in debugging tools.
+ * - `SDL_PROP_GPU_TEXTURE_CREATE_DXGI_SHARED_HANDLE_POINTER`: a DXGI shared handle associated with the texture, if you want to wrap an existing texture. The texture must have been created with D3D11_RESOURCE_MISC_SHARED_KEYEDMUTEX.
  *
  * \param device a GPU Context.
  * \param createinfo a struct describing the state of the texture to create.
@@ -2758,13 +2759,14 @@ extern SDL_DECLSPEC SDL_GPUTexture * SDLCALL SDL_CreateGPUTexture(
     SDL_GPUDevice *device,
     const SDL_GPUTextureCreateInfo *createinfo);
 
-#define SDL_PROP_GPU_TEXTURE_CREATE_D3D12_CLEAR_R_FLOAT         "SDL.gpu.texture.create.d3d12.clear.r"
-#define SDL_PROP_GPU_TEXTURE_CREATE_D3D12_CLEAR_G_FLOAT         "SDL.gpu.texture.create.d3d12.clear.g"
-#define SDL_PROP_GPU_TEXTURE_CREATE_D3D12_CLEAR_B_FLOAT         "SDL.gpu.texture.create.d3d12.clear.b"
-#define SDL_PROP_GPU_TEXTURE_CREATE_D3D12_CLEAR_A_FLOAT         "SDL.gpu.texture.create.d3d12.clear.a"
-#define SDL_PROP_GPU_TEXTURE_CREATE_D3D12_CLEAR_DEPTH_FLOAT     "SDL.gpu.texture.create.d3d12.clear.depth"
-#define SDL_PROP_GPU_TEXTURE_CREATE_D3D12_CLEAR_STENCIL_NUMBER  "SDL.gpu.texture.create.d3d12.clear.stencil"
-#define SDL_PROP_GPU_TEXTURE_CREATE_NAME_STRING                 "SDL.gpu.texture.create.name"
+#define SDL_PROP_GPU_TEXTURE_CREATE_D3D12_CLEAR_R_FLOAT             "SDL.gpu.texture.create.d3d12.clear.r"
+#define SDL_PROP_GPU_TEXTURE_CREATE_D3D12_CLEAR_G_FLOAT             "SDL.gpu.texture.create.d3d12.clear.g"
+#define SDL_PROP_GPU_TEXTURE_CREATE_D3D12_CLEAR_B_FLOAT             "SDL.gpu.texture.create.d3d12.clear.b"
+#define SDL_PROP_GPU_TEXTURE_CREATE_D3D12_CLEAR_A_FLOAT             "SDL.gpu.texture.create.d3d12.clear.a"
+#define SDL_PROP_GPU_TEXTURE_CREATE_D3D12_CLEAR_DEPTH_FLOAT         "SDL.gpu.texture.create.d3d12.clear.depth"
+#define SDL_PROP_GPU_TEXTURE_CREATE_D3D12_CLEAR_STENCIL_NUMBER      "SDL.gpu.texture.create.d3d12.clear.stencil"
+#define SDL_PROP_GPU_TEXTURE_CREATE_NAME_STRING                     "SDL.gpu.texture.create.name"
+#define SDL_PROP_GPU_TEXTURE_CREATE_DXGI_SHARED_HANDLE_POINTER      "SDL.gpu.texture.create.dxgi_handle"
 
 /**
  * Creates a buffer object to be used in graphics or compute workflows.