diff options
| author | Chris Forbes <chrisf@ijw.co.nz> | 2013-10-28 04:18:29 +1300 |
|---|---|---|
| committer | Carl Worth <cworth@cworth.org> | 2013-12-12 16:00:25 -0800 |
| commit | 56b0e3271a26d90f760319434ccb518b205dc2bb (patch) | |
| tree | 38039f4f813457f9602993a7aa37dc553a735139 | |
| parent | 4f247c28e5e626772804f713e0ec72bb517bb0cc (diff) | |
i965/fs: Gen4-5: Setup discard masks for MRT alpha test
The same setup is required here as when the user-provided shader
explicitly uses KIL or discard.
Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Eric Anholt <eric@anholt.net>
(cherry picked from commit ca82ba90dd7ef78be2b95972dc19913c76d5e6a8)
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs.cpp | 2 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_emit.cpp | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp index 62dccc1063..e96e5ff49e 100644 --- a/src/mesa/drivers/dri/i965/brw_fs.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs.cpp @@ -2920,7 +2920,7 @@ fs_visitor::run() /* We handle discards by keeping track of the still-live pixels in f0.1. * Initialize it with the dispatched pixels. */ - if (fp->UsesKill) { + if (fp->UsesKill || c->key.alpha_test_func) { fs_inst *discard_init = emit(FS_OPCODE_MOV_DISPATCH_TO_FLAGS); discard_init->flag_subreg = 1; } diff --git a/src/mesa/drivers/dri/i965/brw_fs_emit.cpp b/src/mesa/drivers/dri/i965/brw_fs_emit.cpp index 422592225c..8b02ea92cc 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_emit.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_emit.cpp @@ -107,7 +107,7 @@ fs_generator::generate_fb_write(fs_inst *inst) brw_set_mask_control(p, BRW_MASK_DISABLE); brw_set_compression_control(p, BRW_COMPRESSION_NONE); - if (fp->UsesKill) { + if (fp->UsesKill || c->key.alpha_test_func) { struct brw_reg pixel_mask; if (brw->gen >= 6) |