mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-11-25 19:21:06 +00:00
Code Issues 1 Projects Releases Wiki Activity

d3d11overlaycompositor: Add support for d3d11 memory

Browse source 
If overlay buffer is d3d11 memory, use it directly

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4826>
This commit is contained in:
Seungha Yang 2023-06-15 18:40:38 +09:00 committed by GStreamer Marge Bot
parent a72ca72a27
commit 01edbf6c6b
1 changed files with 69 additions and 37 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

32
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11overlaycompositor.cpp
View file

@ -105,6 +105,8 @@ struct GstD3D11CompositionOverlay
{
if (overlay_rect)
gst_video_overlay_rectangle_unref (overlay_rect);
if (d3d11_buffer)
gst_buffer_unref (d3d11_buffer);
}
GstVideoOverlayRectangle *overlay_rect = nullptr;
@ -112,6 +114,7 @@ struct GstD3D11CompositionOverlay
ComPtr<ID3D11ShaderResourceView> srv;
ComPtr<ID3D11Buffer> vertex_buffer;
gboolean premul_alpha = FALSE;
GstBuffer *d3d11_buffer = nullptr;
};
typedef std::shared_ptr<GstD3D11CompositionOverlay> GstD3D11CompositionOverlayPtr;
@ -195,6 +198,8 @@ gst_d3d11_composition_overlay_new (GstD3D11OverlayCompositor * self,
ComPtr < ID3D11Buffer > vertex_buffer;
GstVideoOverlayFormatFlags flags;
gboolean premul_alpha = FALSE;
GstMemory *mem;
gboolean is_d3d11 = FALSE;
memset (&subresource_data, 0, sizeof (subresource_data));
memset (&texture_desc, 0, sizeof (texture_desc));
@ -225,6 +230,20 @@ gst_d3d11_composition_overlay_new (GstD3D11OverlayCompositor * self,
return nullptr;
}
mem = gst_buffer_peek_memory (buf, 0);
if (gst_is_d3d11_memory (mem)) {
GstD3D11Memory *dmem = GST_D3D11_MEMORY_CAST (mem);
if (dmem->device == self->device) {
srv = gst_d3d11_memory_get_shader_resource_view (dmem, 0);
if (srv) {
texture = (ID3D11Texture2D *)
gst_d3d11_memory_get_resource_handle (dmem);
is_d3d11 = TRUE;
}
}
}
if (!is_d3d11) {
vmeta = gst_buffer_get_video_meta (buf);
if (!vmeta) {
GST_ERROR_OBJECT (self, "Failed to get video meta");
@ -271,6 +290,7 @@ gst_d3d11_composition_overlay_new (GstD3D11OverlayCompositor * self,
GST_ERROR_OBJECT (self, "Failed to create shader resource view");
return nullptr;
}
}
buffer_desc.Usage = D3D11_USAGE_DYNAMIC;
buffer_desc.ByteWidth = sizeof (VertexData) * 4;
@ -346,6 +366,8 @@ gst_d3d11_composition_overlay_new (GstD3D11OverlayCompositor * self,
overlay->srv = srv;
overlay->vertex_buffer = vertex_buffer;
overlay->premul_alpha = premul_alpha;
if (is_d3d11)
overlay->d3d11_buffer = gst_buffer_ref (buf);
return overlay;
}
@ -680,6 +702,13 @@ gst_d3d11_overlay_compositor_draw_unlocked (GstD3D11OverlayCompositor *
for (auto overlay : priv->overlays) {
ID3D11ShaderResourceView *srv[] = { overlay->srv.Get () };
ID3D11Buffer *vertex_buf[] = { overlay->vertex_buffer.Get () };
GstMapInfo info;
GstMemory *mem = nullptr;
if (overlay->d3d11_buffer) {
mem = gst_buffer_peek_memory (overlay->d3d11_buffer, 0);
gst_memory_map (mem, &info, (GstMapFlags) (GST_MAP_D3D11 | GST_MAP_READ));
}
if (overlay->premul_alpha)
context->PSSetShader (priv->premul_ps.Get (), nullptr, 0);
@ -690,6 +719,9 @@ gst_d3d11_overlay_compositor_draw_unlocked (GstD3D11OverlayCompositor *
context->IASetVertexBuffers (0, 1, vertex_buf, &strides, &offsets);
context->DrawIndexed (6, 0, 0);
if (mem)
gst_memory_unmap (mem, &info);
}
/* *INDENT-ON* */