win32: map pbo with GL_READ_WRITE

snes9xgit · Oct 22, 2012 · b43623f · b43623f
1 parent ac60d91
commit b43623f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/win32/COpenGL.cpp b/win32/COpenGL.cpp
@@ -428,7 +428,7 @@ void COpenGL::Render(SSurface Src)
 
 	if(pboFunctionsLoaded) {
 		glBindBuffer(GL_PIXEL_UNPACK_BUFFER, drawBuffer);
-		Dst.Surface = (unsigned char *)glMapBuffer(GL_PIXEL_UNPACK_BUFFER,GL_WRITE_ONLY);
+		Dst.Surface = (unsigned char *)glMapBuffer(GL_PIXEL_UNPACK_BUFFER,GL_READ_WRITE);
 	} else {
 		Dst.Surface = noPboBuffer;
 	}