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Create capture surface only on request.

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This commit is contained in:
bkaradzic 2013-01-21 21:40:54 -08:00
parent d5f7f243d5
commit 58a1d91ea3
1 changed files with 50 additions and 44 deletions
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94
src/renderer_d3d11.cpp
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@ -772,34 +772,37 @@ namespace bgfx
void capturePostReset() void capturePostReset()
{ {
ID3D11Texture2D* backBuffer; if (m_flags&BGFX_RESET_CAPTURE)
DX_CHECK(m_swapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (void**)&backBuffer) );
D3D11_TEXTURE2D_DESC backBufferDesc;
backBuffer->GetDesc(&backBufferDesc);
D3D11_TEXTURE2D_DESC desc;
memcpy(&desc, &backBufferDesc, sizeof(desc) );
desc.SampleDesc.Count = 1;
desc.SampleDesc.Quality = 0;
desc.Usage = D3D11_USAGE_STAGING;
desc.BindFlags = 0;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
HRESULT hr = m_device->CreateTexture2D(&desc, NULL, &m_captureTexture);
if (SUCCEEDED(hr) )
{ {
if (backBufferDesc.SampleDesc.Count != 1) ID3D11Texture2D* backBuffer;
DX_CHECK(m_swapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (void**)&backBuffer) );
D3D11_TEXTURE2D_DESC backBufferDesc;
backBuffer->GetDesc(&backBufferDesc);
D3D11_TEXTURE2D_DESC desc;
memcpy(&desc, &backBufferDesc, sizeof(desc) );
desc.SampleDesc.Count = 1;
desc.SampleDesc.Quality = 0;
desc.Usage = D3D11_USAGE_STAGING;
desc.BindFlags = 0;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
HRESULT hr = m_device->CreateTexture2D(&desc, NULL, &m_captureTexture);
if (SUCCEEDED(hr) )
{ {
desc.Usage = D3D11_USAGE_DEFAULT; if (backBufferDesc.SampleDesc.Count != 1)
desc.CPUAccessFlags = 0; {
m_device->CreateTexture2D(&desc, NULL, &m_captureResolve); desc.Usage = D3D11_USAGE_DEFAULT;
desc.CPUAccessFlags = 0;
m_device->CreateTexture2D(&desc, NULL, &m_captureResolve);
}
g_callback->captureBegin(backBufferDesc.Width, backBufferDesc.Height, backBufferDesc.Width*4, TextureFormat::BGRA8, false);
} }
g_callback->captureBegin(backBufferDesc.Width, backBufferDesc.Height, backBufferDesc.Width*4, TextureFormat::BGRA8, false); DX_RELEASE(backBuffer, 0);
} }
DX_RELEASE(backBuffer, 0);
} }
void capturePreReset() void capturePreReset()
@ -815,29 +818,32 @@ namespace bgfx
void capture() void capture()
{ {
ID3D11Texture2D* backBuffer; if (NULL != m_captureTexture)
DX_CHECK(m_swapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (void**)&backBuffer) );
DXGI_MODE_DESC& desc = m_scd.BufferDesc;
if (NULL == m_captureResolve)
{ {
m_deviceCtx->CopyResource(m_captureTexture, backBuffer); ID3D11Texture2D* backBuffer;
DX_CHECK(m_swapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (void**)&backBuffer) );
DXGI_MODE_DESC& desc = m_scd.BufferDesc;
if (NULL == m_captureResolve)
{
m_deviceCtx->CopyResource(m_captureTexture, backBuffer);
}
else
{
m_deviceCtx->ResolveSubresource(m_captureResolve, 0, backBuffer, 0, desc.Format);
m_deviceCtx->CopyResource(m_captureTexture, m_captureResolve);
}
D3D11_MAPPED_SUBRESOURCE mapped;
DX_CHECK(m_deviceCtx->Map(m_captureTexture, 0, D3D11_MAP_READ, 0, &mapped) );
g_callback->captureFrame(mapped.pData, desc.Height*mapped.RowPitch);
m_deviceCtx->Unmap(m_captureTexture, 0);
DX_RELEASE(backBuffer, 0);
} }
else
{
m_deviceCtx->ResolveSubresource(m_captureResolve, 0, backBuffer, 0, desc.Format);
m_deviceCtx->CopyResource(m_captureTexture, m_captureResolve);
}
D3D11_MAPPED_SUBRESOURCE mapped;
DX_CHECK(m_deviceCtx->Map(m_captureTexture, 0, D3D11_MAP_READ, 0, &mapped) );
g_callback->captureFrame(mapped.pData, desc.Height*mapped.RowPitch);
m_deviceCtx->Unmap(m_captureTexture, 0);
DX_RELEASE(backBuffer, 0);
} }
void saveScreenShot(Memory* _mem) void saveScreenShot(Memory* _mem)