diff options
| author | Michal Krol <michal@tungstengraphics.com> | 2008-11-14 13:31:06 +0100 |
|---|---|---|
| committer | Michal Krol <michal@vmware.com> | 2008-12-22 21:43:07 +0100 |
| commit | 4b3c74b4d6786475bc45f883612e76069e722cbd (patch) | |
| tree | 741dec6717d376d635bb2f4ae7b9f63846039c1d | |
| parent | b8e68f2e55ed22a97b7f976fe9556b2abcc49ea9 (diff) | |
tgsi: Return 0.0 for negative constant register indices.
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_exec.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c index 0756d7db17..d55c337207 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_exec.c +++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c @@ -958,14 +958,22 @@ fetch_src_file_channel( switch( file ) { case TGSI_FILE_CONSTANT: assert(mach->Consts); - assert(index->i[0] >= 0); - assert(index->i[1] >= 0); - assert(index->i[2] >= 0); - assert(index->i[3] >= 0); - chan->f[0] = mach->Consts[index->i[0]][swizzle]; - chan->f[1] = mach->Consts[index->i[1]][swizzle]; - chan->f[2] = mach->Consts[index->i[2]][swizzle]; - chan->f[3] = mach->Consts[index->i[3]][swizzle]; + if (index->i[0] < 0) + chan->f[0] = 0.0f; + else + chan->f[0] = mach->Consts[index->i[0]][swizzle]; + if (index->i[1] < 0) + chan->f[1] = 0.0f; + else + chan->f[1] = mach->Consts[index->i[1]][swizzle]; + if (index->i[2] < 0) + chan->f[2] = 0.0f; + else + chan->f[2] = mach->Consts[index->i[2]][swizzle]; + if (index->i[3] < 0) + chan->f[3] = 0.0f; + else + chan->f[3] = mach->Consts[index->i[3]][swizzle]; break; case TGSI_FILE_INPUT: |