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DX11:

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Implement safe texture cache.
Fix screenshot functionality.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5732 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
NeoBrainX
2010-06-17 14:21:31 +00:00
parent e266347160
commit 0a46dead9c
2 changed files with 56 additions and 4 deletions
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26
Source/Plugins/Plugin_VideoDX11/Src/Render.cpp
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@ -879,7 +879,31 @@ void Renderer::Swap(u32 xfbAddr, FieldType field, u32 fbWidth, u32 fbHeight)
}
if (s_bScreenshot)
{
HRESULT hr = D3DX11SaveTextureToFileA(D3D::context, D3D::GetBackBuffer()->GetTex(), D3DX11_IFF_PNG, s_sScreenshotName);
// copy back buffer to system memory
ID3D11Texture2D* buftex;
D3D11_TEXTURE2D_DESC tex_desc = CD3D11_TEXTURE2D_DESC(DXGI_FORMAT_R8G8B8A8_UNORM, D3D::GetBackBufferWidth(), D3D::GetBackBufferHeight(), 1, 1, 0, D3D11_USAGE_STAGING, D3D11_CPU_ACCESS_READ|D3D11_CPU_ACCESS_WRITE);
HRESULT hr = D3D::device->CreateTexture2D(&tex_desc, NULL, &buftex);
if (FAILED(hr)) PanicAlert("Failed to create screenshot buffer texture");
D3D::context->CopyResource(buftex, (ID3D11Resource*)D3D::GetBackBuffer()->GetTex());
// D3DX11SaveTextureToFileA doesn't allow us to ignore the alpha channel, so we need to strip it out ourselves
D3D11_MAPPED_SUBRESOURCE map;
D3D::context->Map(buftex, 0, D3D11_MAP_READ_WRITE, 0, &map);
for (unsigned int y = 0; y < D3D::GetBackBufferHeight(); ++y)
{
u32* ptr = (u32*)((u8*)map.pData + y * map.RowPitch);
for (unsigned int x = 0; x < D3D::GetBackBufferWidth(); ++x)
{
*ptr = 0xFF000000 | (*ptr & 0xFFFFFF);
ptr++;
}
}
D3D::context->Unmap(buftex, 0);
// ready to be saved
hr = D3DX11SaveTextureToFileA(D3D::context, buftex, D3DX11_IFF_PNG, s_sScreenshotName);
if (FAILED(hr)) PanicAlert("Failed to save screenshot");
buftex->Release();
s_bScreenshot = false;
}