Make unlock of the backbuffer correctly restore the contents.

ba69d050 · Jason Edmeades · Alexandre Julliard · 82f46ab1 · ba69d050
Commit ba69d050 authored Sep 30, 2003 by Jason Edmeades Committed by Alexandre Julliard Sep 30, 2003
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surface.c dlls/d3d8/surface.c +4 -0

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--- a/dlls/d3d8/surface.c
+++ b/dlls/d3d8/surface.c
@@ -321,6 +321,8 @@ HRESULT WINAPI IDirect3DSurface8Impl_UnlockRect(LPDIRECT3DSURFACE8 iface) {
 	vcheckGLcall("glIntegerv");
 	glGetIntegerv(GL_CURRENT_RASTER_POSITION, &prev_rasterpos[0]);
 	vcheckGLcall("glIntegerv");
+        glPixelZoom(1.0, -1.0);
+        vcheckGLcall("glPixelZoom");

 	if (This == This->Device->backBuffer) {
 	  glDrawBuffer(GL_BACK);
@@ -361,6 +363,8 @@ HRESULT WINAPI IDirect3DSurface8Impl_UnlockRect(LPDIRECT3DSURFACE8 iface) {
 	  FIXME("Unsupported Format %u in locking func\n", This->myDesc.Format);
 	}

+        glPixelZoom(1.0,1.0);
+        vcheckGLcall("glPixelZoom");
 	glDrawBuffer(prev_draw);
 	vcheckGLcall("glDrawBuffer");
 	glRasterPos3iv(&prev_rasterpos[0]);