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broadcom/compiler: Enable PER_QUAD for UBO and SSBO loads. 

Helper invocations need to be able to read from UBOs since those values
can be used for flow control, but writes from helper invocations need to
be dropped.

Fixes CTS tests:
  dEQP-VK.glsl.derivate.*.uniform_loop.*

Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6356>
This commit is contained in:
Arcady Goldmints-Orlov 2020-08-09 22:17:01 -05:00 committed by Marge Bot
parent c3258f927c
commit a104902590
1 changed files with 4 additions and 1 deletions
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5
src/broadcom/compiler/nir_to_vir.c
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@ -339,9 +339,12 @@ ntq_emit_tmu_general(struct v3d_compile *c, nir_intrinsic_instr *instr,
num_components = tmu_writes - 1;
}
uint32_t perquad = is_load
? GENERAL_TMU_LOOKUP_PER_QUAD
: GENERAL_TMU_LOOKUP_PER_PIXEL;
uint32_t config = (0xffffff00 |
tmu_op << 3|
GENERAL_TMU_LOOKUP_PER_PIXEL);
perquad);
if (num_components == 1) {
config |= GENERAL_TMU_LOOKUP_TYPE_32BIT_UI;
} else {