mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-07-04 13:45:52 +00:00
Code Issues 1 Projects Releases Wiki Activity

d3d11colorconvert: Avoid copy in/out texture if possible

Browse source 
When input and/or output d3d11memory has its own view, use them for
rendering to avoid texture copy
This commit is contained in:
Seungha Yang 2019-10-06 21:59:54 +09:00 committed by GStreamer Merge Bot
parent da3545e8c8
commit 5edf64d655
1 changed files with 85 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

102
sys/d3d11/gstd3d11colorconvert.c
View file

@ -1853,10 +1853,15 @@ do_convert (GstD3D11Device * device, DoConvertData * data)
UINT vertex_stride = sizeof (VertexData);
UINT offsets = 0;
ID3D11ShaderResourceView *clear_view[GST_VIDEO_MAX_PLANES] = { NULL, };
gint i;
ID3D11ShaderResourceView *resource_view[GST_VIDEO_MAX_PLANES] = { NULL, };
ID3D11RenderTargetView *render_view[GST_VIDEO_MAX_PLANES] = { NULL, };
gint i, j, view_index;
gboolean copy_input = FALSE;
gboolean copy_output = FALSE;
context_handle = gst_d3d11_device_get_device_context_handle (device);
view_index = 0;
for (i = 0; i < gst_buffer_n_memory (data->in_buf); i++) {
GstMemory *mem = gst_buffer_peek_memory (data->in_buf, i);
GstD3D11Memory *d3d11_mem;
@ -1869,14 +1874,66 @@ do_convert (GstD3D11Device * device, DoConvertData * data)
gst_memory_unmap (mem, &info);
d3d11_mem = (GstD3D11Memory *) mem;
ID3D11DeviceContext_CopySubresourceRegion (context_handle,
(ID3D11Resource *) self->in_texture[i], 0, 0, 0, 0,
(ID3D11Resource *) d3d11_mem->texture, 0, NULL);
if (gst_d3d11_memory_ensure_shader_resource_view (mem)) {
for (j = 0; j < d3d11_mem->num_shader_resource_views; j++) {
resource_view[view_index] = d3d11_mem->shader_resource_view[j];
view_index++;
}
} else {
copy_input = TRUE;
break;
}
}
/* if input memory has no resource view,
* copy texture into our fallback texture */
if (copy_input) {
for (i = 0; i < gst_buffer_n_memory (data->in_buf); i++) {
GstMemory *mem = gst_buffer_peek_memory (data->in_buf, i);
GstD3D11Memory *d3d11_mem;
g_assert (gst_is_d3d11_memory (mem));
d3d11_mem = (GstD3D11Memory *) mem;
ID3D11DeviceContext_CopySubresourceRegion (context_handle,
(ID3D11Resource *) self->in_texture[i], 0, 0, 0, 0,
(ID3D11Resource *) d3d11_mem->texture, 0, NULL);
}
}
view_index = 0;
for (i = 0; i < gst_buffer_n_memory (data->out_buf); i++) {
GstMemory *mem = gst_buffer_peek_memory (data->out_buf, i);
GstD3D11Memory *d3d11_mem;
g_assert (gst_is_d3d11_memory (mem));
d3d11_mem = (GstD3D11Memory *) mem;
if (gst_d3d11_memory_ensure_render_target_view (mem)) {
for (j = 0; j < d3d11_mem->num_render_target_views; j++) {
render_view[view_index] = d3d11_mem->render_target_view[j];
view_index++;
}
} else {
copy_output = TRUE;
break;
}
}
if (copy_output) {
GST_TRACE_OBJECT (self, "Render to fallback output texture");
ID3D11DeviceContext_OMSetRenderTargets (context_handle,
self->num_output_view, self->render_target_view, NULL);
} else {
GST_TRACE_OBJECT (self, "Render to output texture directly");
ID3D11DeviceContext_OMSetRenderTargets (context_handle,
self->num_output_view, render_view, NULL);
}
ID3D11DeviceContext_OMSetRenderTargets (context_handle,
self->num_output_view, self->render_target_view, NULL);
ID3D11DeviceContext_IASetPrimitiveTopology (context_handle,
D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
ID3D11DeviceContext_IASetInputLayout (context_handle, self->layout);
@ -1895,8 +1952,17 @@ do_convert (GstD3D11Device * device, DoConvertData * data)
0, 1, &self->const_buffer);
}
ID3D11DeviceContext_PSSetShaderResources (context_handle,
0, self->num_input_view, self->shader_resource_view);
if (copy_input) {
GST_TRACE_OBJECT (self, "Render using fallback input texture");
ID3D11DeviceContext_PSSetShaderResources (context_handle,
0, self->num_input_view, self->shader_resource_view);
} else {
GST_TRACE_OBJECT (self, "Use input texture resource without copy");
ID3D11DeviceContext_PSSetShaderResources (context_handle,
0, self->num_input_view, resource_view);
}
/* FIXME: handle multiple shader case */
ID3D11DeviceContext_PSSetShader (context_handle, self->pixel_shader, NULL, 0);
@ -1907,17 +1973,19 @@ do_convert (GstD3D11Device * device, DoConvertData * data)
ID3D11DeviceContext_PSSetShaderResources (context_handle,
0, self->num_input_view, clear_view);
for (i = 0; i < gst_buffer_n_memory (data->out_buf); i++) {
GstMemory *mem = gst_buffer_peek_memory (data->out_buf, i);
GstD3D11Memory *d3d11_mem;
if (copy_output) {
for (i = 0; i < gst_buffer_n_memory (data->out_buf); i++) {
GstMemory *mem = gst_buffer_peek_memory (data->out_buf, i);
GstD3D11Memory *d3d11_mem;
g_assert (gst_is_d3d11_memory (mem));
g_assert (gst_is_d3d11_memory (mem));
d3d11_mem = (GstD3D11Memory *) mem;
d3d11_mem = (GstD3D11Memory *) mem;
ID3D11DeviceContext_CopySubresourceRegion (context_handle,
(ID3D11Resource *) d3d11_mem->texture, 0, 0, 0, 0,
(ID3D11Resource *) self->out_texture[i], 0, NULL);
ID3D11DeviceContext_CopySubresourceRegion (context_handle,
(ID3D11Resource *) d3d11_mem->texture, 0, 0, 0, 0,
(ID3D11Resource *) self->out_texture[i], 0, NULL);
}
}
}