Module: Mesa Branch: master Commit: d9e930997f1addafe37e10ddc0f56d0684be0086 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=d9e930997f1addafe37e10ddc0f56d0684be0086
Author: Francisco Jerez <[email protected]> Date: Tue May 5 22:58:39 2015 +0300 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]> --- src/glsl/nir/nir_intrinsics.h | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/src/glsl/nir/nir_intrinsics.h b/src/glsl/nir/nir_intrinsics.h index 8e28765..2a0df2b 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) _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
