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nir: Implement __intrinsic_store_ssbo

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v2 (Connor):
 - Make the STORE() macro take arguments for the extra sources (and their
   size) and any extra indices required.

Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
This commit is contained in:
Iago Toral Quiroga
2015-07-09 10:26:42 +02:00
committed by Samuel Iglesias Gonsalvez
parent f17c6b9066
commit 9bb7d9ecf8
2 changed files with 48 additions and 8 deletions
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20
src/glsl/nir/nir_intrinsics.h
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@@ -205,15 +205,19 @@ LOAD(input, 0, 1, NIR_INTRINSIC_CAN_ELIMINATE | NIR_INTRINSIC_CAN_REORDER)
/*
* 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.
* offset. SSBO stores are similar, but they accept an extra source for the
* block index and an extra index with the writemask to use.
*/
#define STORE(name, num_indices, flags) \
INTRINSIC(store_##name, 1, ARR(0), false, 0, 0, num_indices, flags) \
INTRINSIC(store_##name##_indirect, 2, ARR(0, 1), false, 0, 0, \
num_indices, flags) \
#define STORE(name, extra_srcs, extra_srcs_size, extra_indices, flags) \
INTRINSIC(store_##name, 1 + extra_srcs, \
ARR(0, extra_srcs_size, extra_srcs_size, extra_srcs_size), \
false, 0, 0, 1 + extra_indices, flags) \
INTRINSIC(store_##name##_indirect, 2 + extra_srcs, \
ARR(0, 1, extra_srcs_size, extra_srcs_size), \
false, 0, 0, 1 + extra_indices, flags)
STORE(output, 1, 0)
/* STORE(ssbo, 2, 0) */
STORE(output, 0, 0, 0, 0)
STORE(ssbo, 1, 1, 1, 0)
LAST_INTRINSIC(store_output_indirect)
LAST_INTRINSIC(store_ssbo_indirect)