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d3d11converter: Create ID3D11Buffer with initial data

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... and remove unnecessary device lock

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5492>
This commit is contained in:
Seungha Yang 2023-10-17 00:53:46 +09:00 committed by GStreamer Marge Bot
parent 4e3d87edf5
commit 65aa1b8faa
1 changed files with 37 additions and 65 deletions
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102
subprojects/gst-plugins-bad/gst-libs/gst/d3d11/gstd3d11converter.cpp
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@ -701,11 +701,9 @@ gst_d3d11_color_convert_setup_shader (GstD3D11Converter * self,
GstD3D11Device *device = self->device;
HRESULT hr;
D3D11_BUFFER_DESC buffer_desc;
D3D11_MAPPED_SUBRESOURCE map;
VertexData *vertex_data;
WORD *indices;
VertexData vertex_data[4];
WORD indices[6];
ID3D11Device *device_handle;
ID3D11DeviceContext *context_handle;
ComPtr < ID3D11VertexShader > vs;
ComPtr < ID3D11InputLayout > layout;
ComPtr < ID3D11SamplerState > sampler;
@ -713,11 +711,12 @@ gst_d3d11_color_convert_setup_shader (GstD3D11Converter * self,
ComPtr < ID3D11Buffer > const_buffer;
ComPtr < ID3D11Buffer > vertex_buffer;
ComPtr < ID3D11Buffer > index_buffer;
D3D11_SUBRESOURCE_DATA subresource;
memset (&subresource, 0, sizeof (subresource));
memset (&buffer_desc, 0, sizeof (buffer_desc));
device_handle = gst_d3d11_device_get_device_handle (device);
context_handle = gst_d3d11_device_get_device_context_handle (device);
hr = gst_d3d11_device_get_sampler (device, sampler_filter, &sampler);
if (!gst_d3d11_result (hr, device)) {
@ -758,7 +757,11 @@ gst_d3d11_color_convert_setup_shader (GstD3D11Converter * self,
buffer_desc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
buffer_desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
hr = device_handle->CreateBuffer (&buffer_desc, nullptr, &const_buffer);
subresource.pSysMem = &priv->const_data;
subresource.SysMemPitch = sizeof (PSConstBuffer);
hr = device_handle->CreateBuffer (&buffer_desc, &subresource,
&const_buffer);
if (!gst_d3d11_result (hr, device)) {
GST_ERROR_OBJECT (self,
"Couldn't create constant buffer, hr: 0x%x", (guint) hr);
@ -766,63 +769,6 @@ gst_d3d11_color_convert_setup_shader (GstD3D11Converter * self,
}
}
/* setup vertext buffer and index buffer */
buffer_desc.Usage = D3D11_USAGE_DYNAMIC;
buffer_desc.ByteWidth = sizeof (VertexData) * 4;
buffer_desc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
buffer_desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
hr = device_handle->CreateBuffer (&buffer_desc, nullptr, &vertex_buffer);
if (!gst_d3d11_result (hr, device)) {
GST_ERROR_OBJECT (self,
"Couldn't create vertex buffer, hr: 0x%x", (guint) hr);
return FALSE;
}
buffer_desc.Usage = D3D11_USAGE_DYNAMIC;
buffer_desc.ByteWidth = sizeof (WORD) * 6;
buffer_desc.BindFlags = D3D11_BIND_INDEX_BUFFER;
buffer_desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
hr = device_handle->CreateBuffer (&buffer_desc, nullptr, &index_buffer);
if (!gst_d3d11_result (hr, device)) {
GST_ERROR ("Couldn't create index buffer, hr: 0x%x", (guint) hr);
return FALSE;
}
GstD3D11DeviceLockGuard lk (device);
if (const_buffer) {
hr = context_handle->Map (const_buffer.Get (), 0, D3D11_MAP_WRITE_DISCARD,
0, &map);
if (!gst_d3d11_result (hr, device)) {
GST_ERROR_OBJECT (self,
"Couldn't map constant buffer, hr: 0x%x", (guint) hr);
return FALSE;
}
memcpy (map.pData, &priv->const_data, sizeof (PSConstBuffer));
context_handle->Unmap (const_buffer.Get (), 0);
}
hr = context_handle->Map (vertex_buffer.Get (), 0, D3D11_MAP_WRITE_DISCARD, 0,
&map);
if (!gst_d3d11_result (hr, device)) {
GST_ERROR_OBJECT (self, "Couldn't map vertex buffer, hr: 0x%x", (guint) hr);
return FALSE;
}
vertex_data = (VertexData *) map.pData;
hr = context_handle->Map (index_buffer.Get (), 0, D3D11_MAP_WRITE_DISCARD, 0,
&map);
if (!gst_d3d11_result (hr, device)) {
GST_ERROR_OBJECT (self, "Couldn't map index buffer, hr: 0x%x", (guint) hr);
context_handle->Unmap (vertex_buffer.Get (), 0);
return FALSE;
}
indices = (WORD *) map.pData;
/* bottom left */
vertex_data[0].position.x = -1.0f;
vertex_data[0].position.y = -1.0f;
@ -851,6 +797,21 @@ gst_d3d11_color_convert_setup_shader (GstD3D11Converter * self,
vertex_data[3].texture.u = 1.0f;
vertex_data[3].texture.v = 1.0f;
buffer_desc.Usage = D3D11_USAGE_DYNAMIC;
buffer_desc.ByteWidth = sizeof (VertexData) * 4;
buffer_desc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
buffer_desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
subresource.pSysMem = vertex_data;
subresource.SysMemPitch = sizeof (VertexData) * 4;
hr = device_handle->CreateBuffer (&buffer_desc, &subresource, &vertex_buffer);
if (!gst_d3d11_result (hr, device)) {
GST_ERROR_OBJECT (self,
"Couldn't create vertex buffer, hr: 0x%x", (guint) hr);
return FALSE;
}
/* clockwise indexing */
indices[0] = 0; /* bottom left */
indices[1] = 1; /* top left */
@ -860,8 +821,19 @@ gst_d3d11_color_convert_setup_shader (GstD3D11Converter * self,
indices[4] = 0; /* bottom left */
indices[5] = 2; /* top right */
context_handle->Unmap (vertex_buffer.Get (), 0);
context_handle->Unmap (index_buffer.Get (), 0);
buffer_desc.Usage = D3D11_USAGE_DYNAMIC;
buffer_desc.ByteWidth = sizeof (WORD) * 6;
buffer_desc.BindFlags = D3D11_BIND_INDEX_BUFFER;
buffer_desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
subresource.pSysMem = indices;
subresource.SysMemPitch = sizeof (WORD) * 6;
hr = device_handle->CreateBuffer (&buffer_desc, &subresource, &index_buffer);
if (!gst_d3d11_result (hr, device)) {
GST_ERROR ("Couldn't create index buffer, hr: 0x%x", (guint) hr);
return FALSE;
}
/* holds vertex buffer for crop rect update */
priv->vertex_buffer = vertex_buffer;