diff options
| author | Emil Velikov <[email protected]> | 2015-10-07 11:59:26 +0100 |
|---|---|---|
| committer | Emil Velikov <[email protected]> | 2015-10-30 17:22:32 +0000 |
| commit | 7682844f34401f1d27c9c8f80eadbcb57286e7c4 (patch) | |
| tree | 00b4170ba368ba0e3c0311bf9900256ca7dfe2db /src/glsl/nir/nir_intrinsics.h | |
| parent | f1d98fc90ab6f1f424b26a5d3b3ead3b8614069a (diff) | |
nir: add shader_clock intrinsic
v2: Add flags and inline comment/description.
v3: None of the input/outputs are variables
v4: Drop clockARB reference, relate code motion barrier comment wrt
intrinsic flag.
v5: Drop the "thus we can eliminate..." comment (Connor)
Signed-off-by: Emil Velikov <[email protected]>
Reviewed-by: Connor Abbott <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Diffstat (limited to 'src/glsl/nir/nir_intrinsics.h')
| -rw-r--r-- | src/glsl/nir/nir_intrinsics.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/glsl/nir/nir_intrinsics.h b/src/glsl/nir/nir_intrinsics.h index c1fb1bad4bc..c2b6fe7166d 100644 --- a/src/glsl/nir/nir_intrinsics.h +++ b/src/glsl/nir/nir_intrinsics.h @@ -83,6 +83,14 @@ BARRIER(discard) */ BARRIER(memory_barrier) +/* + * Shader clock intrinsic with semantics analogous to the clock2x32ARB() + * GLSL intrinsic. + * The latter can be used as code motion barrier, which is currently not + * feasible with NIR. + */ +INTRINSIC(shader_clock, 0, ARR(), true, 1, 0, 0, NIR_INTRINSIC_CAN_ELIMINATE) + /** A conditional discard, with a single boolean source. */ INTRINSIC(discard_if, 1, ARR(1), false, 0, 0, 0, 0) |