diff options
| author | Christoph Bumiller <[email protected]> | 2010-09-16 00:51:32 +0200 |
|---|---|---|
| committer | Christoph Bumiller <[email protected]> | 2010-09-16 14:49:20 +0200 |
| commit | e0aa7e043803b10f503440ed088d89b67f5fd66f (patch) | |
| tree | ed0bda4d639313609d17ac3f43f6e78f7f7a50b7 | |
| parent | 8fbe968a62f845da2a1491c398acf0b2140d2372 (diff) | |
nv50: don't segfault on shaders with 0 instructions
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_pc.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/gallium/drivers/nv50/nv50_pc.c b/src/gallium/drivers/nv50/nv50_pc.c index bb464ec4c9f..676540538e5 100644 --- a/src/gallium/drivers/nv50/nv50_pc.c +++ b/src/gallium/drivers/nv50/nv50_pc.c @@ -459,7 +459,8 @@ nv50_emit_program(struct nv_pc *pc) assert(pc->emit == &code[pc->bin_size / 4]); /* XXX: we can do better than this ... */ - if (!(pc->emit[-2] & 1) || (pc->emit[-2] & 2) || (pc->emit[-1] & 3)) { + if (!pc->bin_size || + !(pc->emit[-2] & 1) || (pc->emit[-2] & 2) || (pc->emit[-1] & 3)) { pc->emit[0] = 0xf0000001; pc->emit[1] = 0xe0000000; pc->bin_size += 8; @@ -523,6 +524,7 @@ nv50_generate_code(struct nv50_translation_info *ti) ret = nv_pc_exec_pass2(pc); if (ret) goto out; + assert(!(pc->bin_size % 8)); pc->emit = CALLOC(pc->bin_size / 4 + 2, 4); if (!pc->emit) { |