d3d11overlaycompositor: Add support for d3d11 memory

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

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));
@ -225,51 +230,66 @@ gst_d3d11_composition_overlay_new (GstD3D11OverlayCompositor * self,
return nullptr;
}
vmeta = gst_buffer_get_video_meta (buf);
if (!vmeta) {
GST_ERROR_OBJECT (self, "Failed to get video meta");
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 (!gst_video_meta_map (vmeta,
0, &info, (gpointer *) & data, &stride, GST_MAP_READ)) {
GST_ERROR_OBJECT (self, "Failed to map");
return nullptr;
}
if (!is_d3d11) {
vmeta = gst_buffer_get_video_meta (buf);
if (!vmeta) {
GST_ERROR_OBJECT (self, "Failed to get video meta");
return nullptr;
}
/* Do create texture and upload data at once, for create immutable texture */
subresource_data.pSysMem = data;
subresource_data.SysMemPitch = stride;
subresource_data.SysMemSlicePitch = 0;
if (!gst_video_meta_map (vmeta,
0, &info, (gpointer *) & data, &stride, GST_MAP_READ)) {
GST_ERROR_OBJECT (self, "Failed to map");
return nullptr;
}
texture_desc.Width = vmeta->width;
texture_desc.Height = vmeta->height;
texture_desc.MipLevels = 1;
texture_desc.ArraySize = 1;
texture_desc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
texture_desc.SampleDesc.Count = 1;
texture_desc.SampleDesc.Quality = 0;
texture_desc.Usage = D3D11_USAGE_IMMUTABLE;
texture_desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
texture_desc.CPUAccessFlags = 0;
/* Do create texture and upload data at once, for create immutable texture */
subresource_data.pSysMem = data;
subresource_data.SysMemPitch = stride;
subresource_data.SysMemSlicePitch = 0;
hr = device_handle->CreateTexture2D (&texture_desc,
&subresource_data, &texture);
gst_video_meta_unmap (vmeta, 0, &info);
texture_desc.Width = vmeta->width;
texture_desc.Height = vmeta->height;
texture_desc.MipLevels = 1;
texture_desc.ArraySize = 1;
texture_desc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
texture_desc.SampleDesc.Count = 1;
texture_desc.SampleDesc.Quality = 0;
texture_desc.Usage = D3D11_USAGE_IMMUTABLE;
texture_desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
texture_desc.CPUAccessFlags = 0;
if (!gst_d3d11_result (hr, device)) {
GST_ERROR_OBJECT (self, "Failed to create texture");
return nullptr;
}
hr = device_handle->CreateTexture2D (&texture_desc,
&subresource_data, &texture);
gst_video_meta_unmap (vmeta, 0, &info);
srv_desc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
srv_desc.Texture2D.MipLevels = 1;
if (!gst_d3d11_result (hr, device)) {
GST_ERROR_OBJECT (self, "Failed to create texture");
return nullptr;
}
hr = device_handle->CreateShaderResourceView (texture.Get (), &srv_desc,
&srv);
if (!gst_d3d11_result (hr, device) || !srv) {
GST_ERROR_OBJECT (self, "Failed to create shader resource view");
return nullptr;
srv_desc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D;
srv_desc.Texture2D.MipLevels = 1;
hr = device_handle->CreateShaderResourceView (texture.Get (), &srv_desc,
&srv);
if (!gst_d3d11_result (hr, device) || !srv) {
GST_ERROR_OBJECT (self, "Failed to create shader resource view");
return nullptr;
}
}
buffer_desc.Usage = D3D11_USAGE_DYNAMIC;
@ -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* */