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i965: get uses discard from nir info

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This is a step towards dropping the GLSL IR version of
do_set_program_inouts() in i965 and moving towards native nir support.

This is important because we want to eventually convert to nir and
use its optimisations passes before we can call this GLSL IR pass.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Timothy Arceri 2016-10-05 15:13:23 +11:00
parent ee829cba8e
commit 556335eb99
1 changed files with 4 additions and 2 deletions
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6
src/mesa/drivers/dri/i965/brw_wm.c
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@ -448,8 +448,10 @@ brw_wm_populate_key(struct brw_context *brw, struct brw_wm_prog_key *key)
*/
if (brw->gen < 6) {
/* _NEW_COLOR */
if (fp->program.UsesKill || ctx->Color.AlphaEnabled)
if (fp->program.Base.nir->info.fs.uses_discard ||
ctx->Color.AlphaEnabled) {
lookup |= IZ_PS_KILL_ALPHATEST_BIT;
}
if (fp->program.Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH))
lookup |= IZ_PS_COMPUTES_DEPTH_BIT;
@ -601,7 +603,7 @@ brw_fs_precompile(struct gl_context *ctx,
memset(&key, 0, sizeof(key));
if (brw->gen < 6) {
if (fp->UsesKill)
if (fp->Base.nir->info.fs.uses_discard)
key.iz_lookup |= IZ_PS_KILL_ALPHATEST_BIT;
if (fp->Base.OutputsWritten & BITFIELD64_BIT(FRAG_RESULT_DEPTH))