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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-11-04 15:57:24 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-11-04 18:12:38 +0000 |
| commit | 573b23c6b618af808d3236395bbf4f4993b406e5 (patch) | |
| tree | 7afcd56fb9011a3bf153fd31d4b06d797469d595 | |
| parent | 4ba55c3d110ba51400a72da7d4f4c62efcea1335 (diff) | |
sna: Add some asserts to detect buffer overflow.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
| -rw-r--r-- | src/sna/sna_render_inline.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/sna/sna_render_inline.h b/src/sna/sna_render_inline.h index f05063df..8ad755c1 100644 --- a/src/sna/sna_render_inline.h +++ b/src/sna/sna_render_inline.h @@ -23,11 +23,13 @@ static inline int vertex_space(struct sna *sna) } static inline void vertex_emit(struct sna *sna, float v) { + assert(sna->render.vertex_used < ARRAY_SIZE(sna->render.vertex_data)); sna->render.vertex_data[sna->render.vertex_used++] = v; } static inline void vertex_emit_2s(struct sna *sna, int16_t x, int16_t y) { int16_t *v = (int16_t *)&sna->render.vertex_data[sna->render.vertex_used++]; + assert(sna->render.vertex_used <= ARRAY_SIZE(sna->render.vertex_data)); v[0] = x; v[1] = y; } @@ -50,6 +52,7 @@ static inline int batch_space(struct sna *sna) static inline void batch_emit(struct sna *sna, uint32_t dword) { + assert(sna->kgem.nbatch < sna->kgem.surface); sna->kgem.batch[sna->kgem.nbatch++] = dword; } |