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Added SDL_RenderGetD3D11Device() to get access to the device associated with the D3D11 renderer

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This commit is contained in:
Sam Lantinga 2021-01-01 11:12:30 -08:00
parent 5f0b2a7f54
commit 223af86c62
4 changed files with 42 additions and 1 deletions
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29
src/render/direct3d11/SDL_render_d3d11.c
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@ -20,6 +20,9 @@
*/
#include "../../SDL_internal.h"
#include "SDL_render.h"
#include "SDL_system.h"
#if SDL_VIDEO_RENDER_D3D11 && !SDL_RENDER_DISABLED
#define COBJMACROS
@ -2595,4 +2598,30 @@ SDL_RenderDriver D3D11_RenderDriver = {
#endif /* SDL_VIDEO_RENDER_D3D11 && !SDL_RENDER_DISABLED */
#ifdef __WIN32__
/* This function needs to always exist on Windows, for the Dynamic API. */
ID3D11Device *
SDL_RenderGetD3D11Device(SDL_Renderer * renderer)
{
ID3D11Device *device = NULL;
#if SDL_VIDEO_RENDER_D3D11 && !SDL_RENDER_DISABLED
D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
/* Make sure that this is a D3D renderer */
if (renderer->DestroyRenderer != D3D11_DestroyRenderer) {
SDL_SetError("Renderer is not a D3D11 renderer");
return NULL;
}
device = (ID3D11Device *)data->d3dDevice;
if (device) {
ID3D11Device_AddRef(device);
}
#endif /* SDL_VIDEO_RENDER_D3D11 && !SDL_RENDER_DISABLED */
return device;
}
#endif /* __WIN32__ */
/* vi: set ts=4 sw=4 expandtab: */