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dxgsg9: Implement ability to get screenshot from multisample backbuffer

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Fixes #1225
This commit is contained in:
rdb 2021-12-31 13:21:08 +01:00
parent ce0d020cfd
commit ecc6fb6b0c
1 changed files with 29 additions and 0 deletions
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29
panda/src/dxgsg9/dxGraphicsStateGuardian9.cxx
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@ -2070,6 +2070,35 @@ do_framebuffer_copy_to_ram(Texture *tex, int view, int z,
backbuffer -> GetDesc (&surface_description);
// We can't directly call GetRenderTargetData on a multisampled buffer.
// Instead, blit it into a temporary target.
if (surface_description.MultiSampleType != D3DMULTISAMPLE_NONE) {
IDirect3DSurface9 *resolved;
hr = _d3d_device->CreateRenderTarget(surface_description.Width,
surface_description.Height,
surface_description.Format,
D3DMULTISAMPLE_NONE, 0, FALSE,
&resolved, nullptr);
if (FAILED(hr)) {
dxgsg9_cat.error()
<< "CreateRenderTarget failed" << D3DERRORSTRING(hr) << "\n";
backbuffer->Release();
return false;
}
_d3d_device->StretchRect(backbuffer, nullptr, resolved, nullptr, D3DTEXF_NONE);
if (FAILED(hr)) {
dxgsg9_cat.error()
<< "StretchRect failed" << D3DERRORSTRING(hr) << "\n";
backbuffer->Release();
resolved->Release();
return false;
}
backbuffer->Release();
backbuffer = resolved;
}
pool = D3DPOOL_SYSTEMMEM;
hr = _d3d_device->CreateOffscreenPlainSurface(
surface_description.Width,