g3dvl: Ignore client flush requests unless entire frame is buffered.

src/gallium/state_trackers/g3dvl/vl_r16snorm_mc_buf.c

@@ -576,6 +576,9 @@ static int vlFlush
 	unsigned int			num_macroblocks[vlNumMacroBlockExTypes] = {0};
 	unsigned int			offset[vlNumMacroBlockExTypes];
 	unsigned int			vb_start = 0;
+	unsigned int			mbw;
+	unsigned int			mbh;
+	unsigned int			num_mb_per_frame;
 	unsigned int			i;
 
 	assert(render);
@@ -585,6 +588,13 @@ static int vlFlush
 	if (!mc->buffered_surface)
 		return 0;
 
+	mbw = align(mc->picture_width, VL_MACROBLOCK_WIDTH) / VL_MACROBLOCK_WIDTH;
+	mbh = align(mc->picture_height, VL_MACROBLOCK_HEIGHT) / VL_MACROBLOCK_HEIGHT;
+	num_mb_per_frame = mbw * mbh;
+
+	if (mc->num_macroblocks < num_mb_per_frame)
+		return 0;
+
 	pipe = mc->pipe;
 
 	for (i = 0; i < mc->num_macroblocks; ++i)

src/gallium/state_trackers/g3dvl/vl_surface.c

@@ -179,6 +179,7 @@ int vlSurfaceGetStatus
 	}
 
 	*status = vlResourceStatusFree;
+
 	return 0;
 }