diff options
| author | Francisco Jerez <[email protected]> | 2015-05-05 22:58:39 +0300 |
|---|---|---|
| committer | Francisco Jerez <[email protected]> | 2015-05-12 15:47:57 +0300 |
| commit | d9e930997f1addafe37e10ddc0f56d0684be0086 (patch) | |
| tree | b6a34b2d5baae2133a75cfc64dc20c42ba62fdf4 /src/glsl | |
| parent | ee1a8b5a8cc118b49b47c7074fa18cf1b4820885 (diff) | |
nir: Define image load, store and atomic intrinsics.
v2: Undefine coordinate components not applicable to the target.
Reviewed-by: Connor Abbott <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/glsl')
| -rw-r--r-- | src/glsl/nir/nir_intrinsics.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/glsl/nir/nir_intrinsics.h b/src/glsl/nir/nir_intrinsics.h index 8e28765c13a..2a0df2be025 100644 --- a/src/glsl/nir/nir_intrinsics.h +++ b/src/glsl/nir/nir_intrinsics.h @@ -89,6 +89,33 @@ ATOMIC(inc, 0) ATOMIC(dec, 0) ATOMIC(read, NIR_INTRINSIC_CAN_ELIMINATE) +/* + * Image load, store and atomic intrinsics. + * + * All image intrinsics take an image target passed as a nir_variable. Image + * variables contain a number of memory and layout qualifiers that influence + * the semantics of the intrinsic. + * + * All image intrinsics take a four-coordinate vector and a sample index as + * first two sources, determining the location within the image that will be + * accessed by the intrinsic. Components not applicable to the image target + * in use are undefined. Image store takes an additional four-component + * argument with the value to be written, and image atomic operations take + * either one or two additional scalar arguments with the same meaning as in + * the ARB_shader_image_load_store specification. + */ +INTRINSIC(image_load, 2, ARR(4, 1), true, 4, 1, 0, + NIR_INTRINSIC_CAN_ELIMINATE) +INTRINSIC(image_store, 3, ARR(4, 1, 4), false, 0, 1, 0, 0) +INTRINSIC(image_atomic_add, 3, ARR(4, 1, 1), true, 1, 1, 0, 0) +INTRINSIC(image_atomic_min, 3, ARR(4, 1, 1), true, 1, 1, 0, 0) +INTRINSIC(image_atomic_max, 3, ARR(4, 1, 1), true, 1, 1, 0, 0) +INTRINSIC(image_atomic_and, 3, ARR(4, 1, 1), true, 1, 1, 0, 0) +INTRINSIC(image_atomic_or, 3, ARR(4, 1, 1), true, 1, 1, 0, 0) +INTRINSIC(image_atomic_xor, 3, ARR(4, 1, 1), true, 1, 1, 0, 0) +INTRINSIC(image_atomic_exchange, 3, ARR(4, 1, 1), true, 1, 1, 0, 0) +INTRINSIC(image_atomic_comp_swap, 4, ARR(4, 1, 1, 1), true, 1, 1, 0, 0) + #define SYSTEM_VALUE(name, components) \ INTRINSIC(load_##name, 0, ARR(), true, components, 0, 0, \ NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER) |