[vlc-commits] d3d11_quad: reset the ShaderResources as soon as drawing with it is done

[Steve Lhomme]

vlc | branch: master | Steve Lhomme <robux4 at ycbcr.xyz> | Mon Nov 19 14:30:38 2018 +0100| [cf5e665e47762bc793b87088e7edc235d4b228d2] | committer: Steve Lhomme

d3d11_quad: reset the ShaderResources as soon as drawing with it is done

This may help with performance and avoid an issue when the render target is
also an input texture for another pipeline.

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=cf5e665e47762bc793b87088e7edc235d4b228d2
---

 modules/video_output/win32/d3d11_quad.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/video_output/win32/d3d11_quad.c b/modules/video_output/win32/d3d11_quad.c
index c95bf1c71b..894449ca7c 100644
--- a/modules/video_output/win32/d3d11_quad.c
+++ b/modules/video_output/win32/d3d11_quad.c
@@ -82,6 +82,11 @@ void D3D11_RenderQuad(d3d11_device_t *d3d_dev, d3d_quad_t *quad, d3d_vshader_t *
 
         ID3D11DeviceContext_DrawIndexed(d3d_dev->d3dcontext, quad->indexCount, 0, 0);
     }
+
+    /* force unbinding the input texture, otherwise we get:
+     * OMSetRenderTargets: Resource being set to OM RenderTarget slot 0 is still bound on input! */
+    ID3D11RenderTargetView *reset[D3D11_MAX_SHADER_VIEW] = { 0 };
+    ID3D11DeviceContext_PSSetShaderResources(d3d_dev->d3dcontext, 0, quad->resourceCount, reset);
 }
 
 static bool AllocQuadVertices(vlc_object_t *o, d3d11_device_t *d3d_dev, d3d_quad_t *quad, video_projection_mode_t projection)