diff options
| author | Jason Ekstrand <[email protected]> | 2014-10-17 17:11:34 -0700 |
|---|---|---|
| committer | Jason Ekstrand <[email protected]> | 2015-01-15 07:18:59 -0800 |
| commit | b600f1a3818d7b1cba4b2e6debded3d177e14449 (patch) | |
| tree | 3ee5a1894fdca0aa7167399be9eca1a45f3f3dc1 /src/glsl/nir | |
| parent | 4b4f90dbff1880e2fd5f1b00813ea4778d63d084 (diff) | |
nir: Add intrinsics to do alternate interpolation on inputs
Reviewed-by: Connor Abbott <[email protected]>
Diffstat (limited to 'src/glsl/nir')
| -rw-r--r-- | src/glsl/nir/nir_intrinsics.h | 52 |
1 files changed, 35 insertions, 17 deletions
diff --git a/src/glsl/nir/nir_intrinsics.h b/src/glsl/nir/nir_intrinsics.h index e82152c7f9e..e4ad8cdc02a 100644 --- a/src/glsl/nir/nir_intrinsics.h +++ b/src/glsl/nir/nir_intrinsics.h @@ -94,24 +94,26 @@ SYSTEM_VALUE(sample_pos, 2) SYSTEM_VALUE(sample_mask_in, 1) SYSTEM_VALUE(invocation_id, 1) -#define LOAD(name, num_indices, flags) \ - INTRINSIC(load_##name##_vec1, 0, ARR(), true, 1, 0, num_indices, \ - NIR_INTRINSIC_CAN_ELIMINATE | flags) \ - INTRINSIC(load_##name##_vec2, 0, ARR(), true, 2, 0, num_indices, \ - NIR_INTRINSIC_CAN_ELIMINATE | flags) \ - INTRINSIC(load_##name##_vec3, 0, ARR(), true, 3, 0, num_indices, \ - NIR_INTRINSIC_CAN_ELIMINATE | flags) \ - INTRINSIC(load_##name##_vec4, 0, ARR(), true, 4, 0, num_indices, \ - NIR_INTRINSIC_CAN_ELIMINATE | flags) \ - INTRINSIC(load_##name##_vec1_indirect, 1, ARR(1), true, 1, 0, num_indices, \ - NIR_INTRINSIC_CAN_ELIMINATE | flags) \ - INTRINSIC(load_##name##_vec2_indirect, 1, ARR(1), true, 2, 0, num_indices, \ - NIR_INTRINSIC_CAN_ELIMINATE | flags) \ - INTRINSIC(load_##name##_vec3_indirect, 1, ARR(1), true, 3, 0, num_indices, \ - NIR_INTRINSIC_CAN_ELIMINATE | flags) \ - INTRINSIC(load_##name##_vec4_indirect, 1, ARR(1), true, 4, 0, num_indices, \ - NIR_INTRINSIC_CAN_ELIMINATE | flags) \ +#define LOAD_OR_INTERP(name, num_srcs, src_comps, num_indices, flags) \ + INTRINSIC(name##_vec1, num_srcs, ARR(src_comps), true, 1, \ + 0, num_indices, NIR_INTRINSIC_CAN_ELIMINATE | flags) \ + INTRINSIC(name##_vec2, num_srcs, ARR(src_comps), true, 2, \ + 0, num_indices, NIR_INTRINSIC_CAN_ELIMINATE | flags) \ + INTRINSIC(name##_vec3, num_srcs, ARR(src_comps), true, 3, \ + 0, num_indices, NIR_INTRINSIC_CAN_ELIMINATE | flags) \ + INTRINSIC(name##_vec4, num_srcs, ARR(src_comps), true, 4, \ + 0, num_indices, NIR_INTRINSIC_CAN_ELIMINATE | flags) \ + INTRINSIC(name##_vec1_indirect, 1 + num_srcs, ARR(1, src_comps), true, 1, \ + 0, num_indices, NIR_INTRINSIC_CAN_ELIMINATE | flags) \ + INTRINSIC(name##_vec2_indirect, 1 + num_srcs, ARR(1, src_comps), true, 2, \ + 0, num_indices, NIR_INTRINSIC_CAN_ELIMINATE | flags) \ + INTRINSIC(name##_vec3_indirect, 1 + num_srcs, ARR(1, src_comps), true, 3, \ + 0, num_indices, NIR_INTRINSIC_CAN_ELIMINATE | flags) \ + INTRINSIC(name##_vec4_indirect, 1 + num_srcs, ARR(1, src_comps), true, 4, \ + 0, num_indices, NIR_INTRINSIC_CAN_ELIMINATE | flags) +#define LOAD(name, num_indices, flags) \ + LOAD_OR_INTERP(load_##name, 0, 0, num_indices, flags) /* * The first index is the address to load from, and the second index is the @@ -132,6 +134,22 @@ LOAD(ubo, 3, NIR_INTRINSIC_CAN_REORDER) 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, flags) \ + LOAD_OR_INTERP(interp_##name, 0, 0, 2, flags) + +#define INTERP_WITH_ARG(name, src_comps, flags) \ + LOAD_OR_INTERP(interp_##name, 1, src_comps, 2, flags) + +INTERP(at_centroid, NIR_INTRINSIC_CAN_REORDER) +INTERP_WITH_ARG(at_sample, 1, NIR_INTRINSIC_CAN_REORDER) +INTERP_WITH_ARG(at_offset, 1, NIR_INTRINSIC_CAN_REORDER) + #define STORE(name, num_indices, flags) \ INTRINSIC(store_##name##_vec1, 1, ARR(1), false, 0, 0, num_indices, flags) \ INTRINSIC(store_##name##_vec2, 1, ARR(2), false, 0, 0, num_indices, flags) \ |