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Fix a case where there is no depth buffer for a render to texture.

This commit is contained in:
aignacio_sf 2008-09-18 23:00:35 +00:00
parent a7f8a4af41
commit cfb8fa8b3b
1 changed files with 19 additions and 8 deletions
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27
panda/src/dxgsg9/wdxGraphicsBuffer9.cxx
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@ -186,10 +186,17 @@ save_bitplanes() {
dxgsg9_cat.error ( ) << "GetRenderTarget " << D3DERRORSTRING(hr) FL;
return false;
}
_saved_depth_buffer = 0;
hr = _dxgsg -> _d3d_device -> GetDepthStencilSurface (&_saved_depth_buffer);
if (!SUCCEEDED (hr)) {
dxgsg9_cat.error ( ) << "GetDepthStencilSurface " << D3DERRORSTRING(hr) FL;
return false;
if (hr == D3DERR_NOTFOUND) {
// this case is actually ok
}
else {
if (!SUCCEEDED (hr)) {
dxgsg9_cat.error ( ) << "GetDepthStencilSurface " << D3DERRORSTRING(hr) FL;
return false;
}
}
return true;
}
@ -215,11 +222,13 @@ restore_bitplanes() {
if (!SUCCEEDED (hr)) {
dxgsg9_cat.error ( ) << "SetRenderTarget " << D3DERRORSTRING(hr) FL;
}
hr = _dxgsg -> _d3d_device -> SetDepthStencilSurface (_saved_depth_buffer);
if (!SUCCEEDED (hr)) {
dxgsg9_cat.error ( ) << "SetDepthStencilSurface " << D3DERRORSTRING(hr) FL;
if (_saved_depth_buffer) {
hr = _dxgsg -> _d3d_device -> SetDepthStencilSurface (_saved_depth_buffer);
if (!SUCCEEDED (hr)) {
dxgsg9_cat.error ( ) << "SetDepthStencilSurface " << D3DERRORSTRING(hr) FL;
}
}
// clear all render targets, except for the main render target
for (int i = 1; i<count_textures(); i++) {
hr = _dxgsg -> _d3d_device -> SetRenderTarget (i, NULL);
@ -229,7 +238,9 @@ restore_bitplanes() {
}
_saved_color_buffer->Release();
_saved_depth_buffer->Release();
if (_saved_depth_buffer) {
_saved_depth_buffer->Release();
}
_saved_color_buffer = NULL;
_saved_depth_buffer = NULL;
}