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d3d11convert: Prefer video processor over shader

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... if video processor was used previously. Otherwise, switching
between video processor and shader would result in inconsistent
output image quality.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2051>
This commit is contained in:
Seungha Yang 2021-03-02 21:35:00 +09:00
parent 6ba1ee8d0f
commit 82a4e7e773
1 changed files with 7 additions and 1 deletions
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8
sys/d3d11/gstd3d11colorconvert.c
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@ -66,6 +66,7 @@ struct _GstD3D11BaseConvert
GstD3D11ColorConverter *converter;
GstD3D11VideoProcessor *processor;
gboolean processor_in_use;
/* used for fallback texture copy */
D3D11_BOX in_src_box;
@ -309,6 +310,8 @@ gst_d3d11_base_convert_clear_shader_resource (GstD3D11BaseConvert * self)
g_clear_pointer (&self->converter, gst_d3d11_color_converter_free);
g_clear_pointer (&self->processor, gst_d3d11_video_processor_free);
self->processor_in_use = FALSE;
}
static void
@ -1598,7 +1601,8 @@ gst_d3d11_base_convert_prefer_video_processor (GstD3D11BaseConvert * self,
/* If we can use shader, we prefer to use shader instead of video processor
* because video processor implementation is vendor dependent
* and not flexible */
if (gst_d3d11_memory_get_shader_resource_view_size (dmem))
if (!self->processor_in_use &&
gst_d3d11_memory_get_shader_resource_view_size (dmem))
return FALSE;
if (!gst_d3d11_video_processor_get_input_view (self->processor, dmem))
@ -1695,6 +1699,8 @@ gst_d3d11_base_convert_transform (GstBaseTransform * trans,
goto conversion_failed;
}
self->processor_in_use = TRUE;
gst_d3d11_buffer_unmap (inbuf, in_map);
gst_d3d11_buffer_unmap (outbuf, out_map);