diff options
| author | Paul Berry <[email protected]> | 2012-06-18 14:50:04 -0700 |
|---|---|---|
| committer | Paul Berry <[email protected]> | 2012-07-02 13:27:36 -0700 |
| commit | 3f929efa2872aa5a4402520ec9fd551392e2413a (patch) | |
| tree | fa71cc399a09981dfac0d16016719a2acb792f71 /src/mesa/drivers/dri/i965/brw_defines.h | |
| parent | 8aa78c104a6fa9497cba558b54c41f6f2292bd74 (diff) | |
i965/fs: Add FS_OPCODE_MOV_DISPATCH_TO_FLAGS to fragment shader backend.
In order to compute centroid varyings correctly, the fragment shader
needs to be able to load the current pixel/sample mask into a flag
register. This patch adds an opcode to the fragment shader back-end
to do this; the opcode gets translated into the instruction
mov(1) f0<1>UW g1.14<0,1,0>UW { align1 WE_all }
Since this instruction clobbers f0, instruction scheduling has to
treat it the same as instructions that have a conditional modifier.
Reviewed-by: Eric Anholt <[email protected]>
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_defines.h')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_defines.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h index 73a8c906692..3234b0e7419 100644 --- a/src/mesa/drivers/dri/i965/brw_defines.h +++ b/src/mesa/drivers/dri/i965/brw_defines.h @@ -675,6 +675,7 @@ enum opcode { FS_OPCODE_SPILL, FS_OPCODE_UNSPILL, FS_OPCODE_PULL_CONSTANT_LOAD, + FS_OPCODE_MOV_DISPATCH_TO_FLAGS, VS_OPCODE_URB_WRITE, VS_OPCODE_SCRATCH_READ, |