wined3d: Use CTXUSAGE_RESOURCELOAD for ActivateContext() in color_fill_fbo().

dlls/wined3d/device.c

@@ -6182,7 +6182,7 @@ static void color_fill_fbo(IWineD3DDevice *iface, IWineD3DSurface *surface, CONS
 
         TRACE("Surface %p is onscreen\n", surface);
 
-        ActivateContext(This, surface, CTXUSAGE_CLEAR);
+        ActivateContext(This, surface, CTXUSAGE_RESOURCELOAD);
         ENTER_GL();
         GL_EXTCALL(glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0));
         buffer = surface_get_gl_buffer(surface, swapchain);
@@ -6191,7 +6191,7 @@ static void color_fill_fbo(IWineD3DDevice *iface, IWineD3DSurface *surface, CONS
     } else {
         TRACE("Surface %p is offscreen\n", surface);
 
-        ActivateContext(This, This->lastActiveRenderTarget, CTXUSAGE_CLEAR);
+        ActivateContext(This, This->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);
         ENTER_GL();
         bind_fbo(iface, GL_FRAMEBUFFER_EXT, &This->dst_fbo);
         attach_surface_fbo(This, GL_FRAMEBUFFER_EXT, 0, surface);
@@ -6211,6 +6211,10 @@ static void color_fill_fbo(IWineD3DDevice *iface, IWineD3DSurface *surface, CONS
     } else {
         glDisable(GL_SCISSOR_TEST);
     }
+    IWineD3DDeviceImpl_MarkStateDirty(This, STATE_RENDER(WINED3DRS_SCISSORTESTENABLE));
+
+    glDisable(GL_BLEND);
+    IWineD3DDeviceImpl_MarkStateDirty(This, STATE_RENDER(WINED3DRS_ALPHABLENDENABLE));
 
     glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
     IWineD3DDeviceImpl_MarkStateDirty(This, STATE_RENDER(WINED3DRS_COLORWRITEENABLE));