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d3d11shader: Allow drawing without shader resource view

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... for the case that we are rendering on target without input texture.
For example, we might want to draw arbitrary shape on render target view
without shader resource view.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1323>
This commit is contained in:
Seungha Yang 2020-08-05 17:27:30 +09:00 committed by GStreamer Merge Bot
parent eecb130bd9
commit 36f7966a5e
1 changed files with 10 additions and 8 deletions
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18
sys/d3d11/gstd3d11shader.c
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@ -274,7 +274,6 @@ gst_d3d11_quad_new (GstD3D11Device * device, ID3D11PixelShader * pixel_shader,
g_return_val_if_fail (pixel_shader != NULL, NULL);
g_return_val_if_fail (vertex_shader != NULL, NULL);
g_return_val_if_fail (layout != NULL, NULL);
g_return_val_if_fail (sampler != NULL, NULL);
g_return_val_if_fail (vertex_buffer != NULL, NULL);
g_return_val_if_fail (vertex_stride > 0, NULL);
g_return_val_if_fail (index_buffer != NULL, NULL);
@ -298,7 +297,8 @@ gst_d3d11_quad_new (GstD3D11Device * device, ID3D11PixelShader * pixel_shader,
ID3D11PixelShader_AddRef (pixel_shader);
ID3D11VertexShader_AddRef (vertex_shader);
ID3D11InputLayout_AddRef (layout);
ID3D11SamplerState_AddRef (sampler);
if (sampler)
ID3D11SamplerState_AddRef (sampler);
if (blend)
ID3D11BlendState_AddRef (blend);
@ -380,8 +380,6 @@ gst_d3d11_draw_quad_unlocked (GstD3D11Quad * quad,
g_return_val_if_fail (quad != NULL, FALSE);
g_return_val_if_fail (viewport != NULL, FALSE);
g_return_val_if_fail (num_viewport <= GST_VIDEO_MAX_PLANES, FALSE);
g_return_val_if_fail (srv != NULL, FALSE);
g_return_val_if_fail (num_srv <= GST_VIDEO_MAX_PLANES, FALSE);
g_return_val_if_fail (rtv != NULL, FALSE);
g_return_val_if_fail (num_rtv <= GST_VIDEO_MAX_PLANES, FALSE);
@ -395,7 +393,8 @@ gst_d3d11_draw_quad_unlocked (GstD3D11Quad * quad,
ID3D11DeviceContext_IASetIndexBuffer (context_handle,
quad->index_buffer, quad->index_format, 0);
ID3D11DeviceContext_PSSetSamplers (context_handle, 0, 1, &quad->sampler);
if (quad->sampler)
ID3D11DeviceContext_PSSetSamplers (context_handle, 0, 1, &quad->sampler);
ID3D11DeviceContext_VSSetShader (context_handle, quad->vs, NULL, 0);
ID3D11DeviceContext_PSSetShader (context_handle, quad->ps, NULL, 0);
ID3D11DeviceContext_RSSetViewports (context_handle, num_viewport, viewport);
@ -404,7 +403,8 @@ gst_d3d11_draw_quad_unlocked (GstD3D11Quad * quad,
ID3D11DeviceContext_PSSetConstantBuffers (context_handle,
0, 1, &quad->const_buffer);
ID3D11DeviceContext_PSSetShaderResources (context_handle, 0, num_srv, srv);
if (srv)
ID3D11DeviceContext_PSSetShaderResources (context_handle, 0, num_srv, srv);
ID3D11DeviceContext_OMSetRenderTargets (context_handle, num_rtv, rtv, dsv);
if (!blend_state)
blend_state = quad->blend;
@ -415,8 +415,10 @@ gst_d3d11_draw_quad_unlocked (GstD3D11Quad * quad,
ID3D11DeviceContext_DrawIndexed (context_handle, quad->index_count, 0, 0);
ID3D11DeviceContext_PSSetShaderResources (context_handle,
0, num_srv, clear_view);
if (srv) {
ID3D11DeviceContext_PSSetShaderResources (context_handle,
0, num_srv, clear_view);
}
ID3D11DeviceContext_OMSetRenderTargets (context_handle, 0, NULL, NULL);
return TRUE;