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path: root/src/gallium/state_trackers/g3dvl/vl_r16snorm_mc_buf.c
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Diffstat (limited to 'src/gallium/state_trackers/g3dvl/vl_r16snorm_mc_buf.c')
-rw-r--r--src/gallium/state_trackers/g3dvl/vl_r16snorm_mc_buf.c10
1 files changed, 10 insertions, 0 deletions
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 62107803ac..e7a070ef4d 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)