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Implemented DX11 capture.

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This commit is contained in:
bkaradzic 2013-01-07 23:10:15 -08:00
parent e85afa6891
commit 4eace601ec
1 changed files with 69 additions and 5 deletions
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74
src/renderer_d3d11.cpp
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@ -279,7 +279,9 @@ namespace bgfx
struct RendererContext
{
RendererContext()
: m_wireframe(false)
: m_captureTexture(NULL)
, m_captureResolve(NULL)
, m_wireframe(false)
, m_vsChanges(0)
, m_fsChanges(0)
{
@ -766,16 +768,74 @@ namespace bgfx
commitTextureStage();
}
void capturePreReset()
{
}
void capturePostReset()
{
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) )
{
if (backBufferDesc.SampleDesc.Count != 1)
{
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);
}
DX_RELEASE(backBuffer, 0);
}
void capturePreReset()
{
if (NULL != m_captureTexture)
{
g_callback->captureEnd();
}
DX_RELEASE(m_captureResolve, 0);
DX_RELEASE(m_captureTexture, 0);
}
void capture()
{
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);
}
void saveScreenShot(Memory* _mem)
@ -843,6 +903,10 @@ namespace bgfx
ID3D11RenderTargetView* m_currentColor;
ID3D11DepthStencilView* m_currentDepthStencil;
ID3D11Texture2D* m_captureTexture;
ID3D11Texture2D* m_captureResolve;
DXGI_FORMAT m_captureFormat;
bool m_wireframe;
DXGI_SWAP_CHAIN_DESC m_scd;