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[host] correct invalid copy size for U & V planes

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This commit is contained in:
Geoffrey McRae 2018-07-28 07:23:51 +10:00
parent eba99f6968
commit 63b4dd633c
1 changed files with 3 additions and 1 deletions
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4
host/Capture/DXGI.cpp
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@ -583,7 +583,9 @@ GrabStatus Capture::DXGI::GrabFrameYUV420(struct FrameInfo & frame, struct Curso
{
HRESULT status;
D3D11_MAPPED_SUBRESOURCE mapping;
D3D11_TEXTURE2D_DESC desc;
m_texture[i]->GetDesc(&desc);
status = m_deviceContext->Map(m_texture[i], 0, D3D11_MAP_READ, 0, &mapping);
if (FAILED(status))
{
@ -592,7 +594,7 @@ GrabStatus Capture::DXGI::GrabFrameYUV420(struct FrameInfo & frame, struct Curso
return GRAB_STATUS_ERROR;
}
const unsigned int size = m_height * mapping.RowPitch;
const unsigned int size = desc.Height * mapping.RowPitch;
if (size > remain)
{
m_deviceContext->Unmap(m_texture[i], 0);