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win32-fix bug making old opengl renderer not work well at all

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zeromus 2013-02-07 00:43:22 +00:00
parent 9bd7b25aff
commit 0e380f908a
1 changed files with 4 additions and 1 deletions
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5
desmume/src/windows/ogl.cpp
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@ -111,7 +111,10 @@ bool windows_opengl_init()
pfd.cStencilBits = 8;
pfd.iLayerType = PFD_MAIN_PLANE;
HWND fakeWindow = CreateWindow("EDIT", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
//make a fake, invisible window, to render into. it's unclear yet how well this works, but i refuse to give up yet on making opengl render headless without relying on PBO and the like.
//the width and height of this window must be lager than 256,192 for some reason, to give old crappy opengl profiles room to render into
//if we ever support 3d upscaling, this would have to be changed. perhaps we could re-initialize the video system to use an appropriate window size
HWND fakeWindow = CreateWindow("EDIT", 0, 0, 0, 0, 512, 512, 0, 0, 0, 0);
main_hDC = GetDC(fakeWindow);
PixelFormat = ChoosePixelFormat(main_hDC, &pfd);