diff options
Diffstat (limited to 'src/glsl/nir/nir_intrinsics.h')
| -rw-r--r-- | src/glsl/nir/nir_intrinsics.h | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/src/glsl/nir/nir_intrinsics.h b/src/glsl/nir/nir_intrinsics.h index 75bd12f6a0a..e66273d3847 100644 --- a/src/glsl/nir/nir_intrinsics.h +++ b/src/glsl/nir/nir_intrinsics.h @@ -47,6 +47,21 @@ INTRINSIC(store_var, 1, ARR(0), false, 0, 1, 0, 0) INTRINSIC(copy_var, 0, ARR(), false, 0, 2, 0, 0) /* + * Interpolation of input. The interp_var_at* intrinsics are similar to the + * load_var intrinsic acting an a shader input except that they interpolate + * the input differently. The at_sample and at_offset intrinsics take an + * aditional source that is a integer sample id or a vec2 position offset + * respectively. + */ + +INTRINSIC(interp_var_at_centroid, 0, ARR(0), true, 0, 1, 0, + NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) +INTRINSIC(interp_var_at_sample, 1, ARR(1), true, 0, 1, 0, + NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) +INTRINSIC(interp_var_at_offset, 1, ARR(2), true, 0, 1, 0, + NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) + +/* * a barrier is an intrinsic with no inputs/outputs but which can't be moved * around/optimized in general */ @@ -110,23 +125,6 @@ LOAD(input, 2, NIR_INTRINSIC_CAN_REORDER) /* LOAD(ssbo, 2, 0) */ /* - * Interpolation of input. These are similar to the load_input* intrinsics - * except they interpolate differently. The interp_at_offset* and - * interp_at_offset* intrinsics take a second source that is either a - * sample id or a vec2 position offset. - */ - -#define INTERP(name, num_srcs, src_comps) \ - INTRINSIC(interp_##name, num_srcs, ARR(src_comps), true, \ - 0, 0, 2, NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) \ - INTRINSIC(interp_##name##_indirect, 1 + num_srcs, ARR(1, src_comps), true, \ - 0, 0, 2, NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) - -INTERP(at_centroid, 0, 0) -INTERP(at_sample, 1, 1) -INTERP(at_offset, 1, 1) - -/* * Stores work the same way as loads, except now the first register input is * the value or array to store and the optional second input is the indirect * offset. |