diff options
| author | Francisco Jerez <[email protected]> | 2016-08-23 11:18:19 -0700 |
|---|---|---|
| committer | Francisco Jerez <[email protected]> | 2016-08-30 16:54:19 -0700 |
| commit | 342f945b1320d588e61e4efe1ccc7852a3c8ad9f (patch) | |
| tree | f26bb75996fe9aeecdcaf24e52ab28612c02d7b9 /src/compiler/glsl | |
| parent | cb4b38af41952c2e5ee77253592f0d0833aefd28 (diff) | |
st/glsl_to_tgsi: Use SecondaryOutputsWritten to determine dual-source fragment outputs.
Currently the mesa state tracker relies on there being two bits set
per dual-source output in the gl_program::OutputsWritten bitset, but
that only worked due to a GLSL front-end bug that caused it to set the
OutputsWritten bit for both location and location+1 even though at the
GLSL level the primary and secondary color outputs used for
dual-source blending have the same location. Fix it by extending
outputMapping[] to 2*FRAG_RESULT_MAX elements in order to represent a
mapping from a (location, index) pair to its TGSI output, which should
also make it slightly easier to add support for dual-source blending
in combination with multiple render targets in the long run.
No Piglit regressions on llvmpipe.
Reviewed-by: Ilia Mirkin <[email protected]>
Diffstat (limited to 'src/compiler/glsl')
0 files changed, 0 insertions, 0 deletions