X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fgallium%2Fstate_trackers%2Fg3dvl%2Fvl_r16snorm_mc_buf.c;h=e7a070ef4df28a1c4f395cc6c097360ac0b5e3ce;hb=4af0d940a35536f096a9289470af0268a79402b3;hp=62107803ac06c8ac799fae2dc0b42f84b8501646;hpb=111b8f6dd9c97cd30979c8d5f56244e1e6ed60a2;p=mesa.git

diff --git a/src/gallium/state_trackers/g3dvl/vl_r16snorm_mc_buf.c b/src/gallium/state_trackers/g3dvl/vl_r16snorm_mc_buf.c
index 62107803ac0..e7a070ef4df 100644
--- a/src/gallium/state_trackers/g3dvl/vl_r16snorm_mc_buf.c
+++ b/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)