diff options
| author | Ben Widawsky <[email protected]> | 2015-11-16 17:23:01 -0800 |
|---|---|---|
| committer | Ben Widawsky <[email protected]> | 2015-11-17 14:47:33 -0800 |
| commit | c531d409274328c9713221f33f1d24e0f4877451 (patch) | |
| tree | afa3a55fd06d4fca3ad3e96b29323534b99498ed /src | |
| parent | 2bec154b479c0135c9be54bf15fc817b2be12dce (diff) | |
i965: Add assertion for src_stencil payload size
This helps address a coverity warning and prevents future questions about this
code.
Reported-by: Coverity (via Ilia)
Cc: Ilia Mirkin <[email protected]>
Signed-off-by: Ben Widawsky <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 84b5920d4f5..995ab229544 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -3603,6 +3603,12 @@ lower_fb_write_logical_send(const fs_builder &bld, fs_inst *inst, assert(devinfo->gen >= 9); assert(bld.dispatch_width() != 16); + /* XXX: src_stencil is only available on gen9+. dst_depth is never + * available on gen9+. As such it's impossible to have both enabled at the + * same time and therefore length cannot overrun the array. + */ + assert(length < 15); + sources[length] = bld.vgrf(BRW_REGISTER_TYPE_UD); bld.exec_all().annotate("FB write OS") .emit(FS_OPCODE_PACK_STENCIL_REF, sources[length], |