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framebuffer read lock; gl raster to image

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aap
2021-01-21 02:23:28 +01:00
parent baa8666a03
commit 9260bddc66
7 changed files with 210 additions and 57 deletions
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22
src/d3d/d3d.cpp
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@@ -579,7 +579,7 @@ rasterLock(Raster *raster, int32 level, int32 lockMode)
if(lockMode & Raster::LOCKREAD)
flags |= D3DLOCK_READONLY | D3DLOCK_NO_DIRTY_UPDATE;
IDirect3DTexture9 *tex = (IDirect3DTexture9*)natras->texture;
IDirect3DSurface9 *surf;
IDirect3DSurface9 *surf, *rt;
D3DLOCKED_RECT lr;
switch(raster->type){
@@ -592,6 +592,26 @@ rasterLock(Raster *raster, int32 level, int32 lockMode)
break;
}
case Raster::CAMERATEXTURE:
case Raster::CAMERA: {
if(lockMode & Raster::PRIVATELOCK_WRITE)
assert(0 && "can't lock framebuffer for writing");
if(raster->type == Raster::CAMERA)
rt = d3d9Globals.defaultRenderTarget;
else
tex->GetSurfaceLevel(level, &rt);
D3DSURFACE_DESC desc;
rt->GetDesc(&desc);
HRESULT res = d3ddevice->CreateOffscreenPlainSurface(desc.Width, desc.Height, desc.Format, D3DPOOL_SYSTEMMEM, &rt, nil);
if(res != D3D_OK)
return nil;
d3ddevice->GetRenderTargetData(rt, surf);
natras->lockedSurf = surf;
res = surf->LockRect(&lr, 0, flags);
assert(res == D3D_OK);
break;
}
default:
assert(0 && "can't lock this raster type (yet)");
}