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wined3d: ScissorRect correction.

This commit is contained in:
Stefan Dösinger 2006-11-06 14:28:15 +01:00 committed by Alexandre Julliard
parent 2a14dc958a
commit def7df305e
1 changed files with 12 additions and 4 deletions
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16
dlls/wined3d/device.c
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@ -4650,11 +4650,19 @@ static HRESULT WINAPI IWineD3DDeviceImpl_GetSamplerState(IWineD3DDevice *iface,
static HRESULT WINAPI IWineD3DDeviceImpl_SetScissorRect(IWineD3DDevice *iface, CONST RECT* pRect) {
IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
ENTER_GL();
RECT windowRect;
UINT winHeight;
/** FIXME: Windows uses a top,left origin openGL uses a bottom Right? **/
TRACE("(%p)Setting new Scissor Rect to %d:%d-%d:%d\n", This, pRect->left, pRect->top, pRect->right, pRect->bottom);
glScissor(pRect->left, pRect->top, pRect->right - pRect->left, pRect->bottom - pRect->top);
GetClientRect(((IWineD3DSwapChainImpl *)This->swapchains[0])->win_handle, &windowRect);
/* Warning: glScissor uses window coordinates, not viewport coordinates, so our viewport correction does not apply
* Warning2: Even in windowed mode the coords are relative to the window, not the screen
*/
winHeight = windowRect.bottom - windowRect.top;
TRACE("(%p)Setting new Scissor Rect to %d:%d-%d:%d\n", This, pRect->left, pRect->bottom - winHeight,
pRect->right - pRect->left, pRect->bottom - pRect->top);
ENTER_GL();
glScissor(pRect->left, winHeight - pRect->bottom, pRect->right - pRect->left, pRect->bottom - pRect->top);
checkGLcall("glScissor");
LEAVE_GL();
return WINED3D_OK;