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agx: Implement load_helper_invocation

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Passes dEQP-GLES31.functional.shaders.helper_invocation.*

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21265>
This commit is contained in:
Alyssa Rosenzweig
2023-02-09 22:58:59 -05:00
committed by Marge Bot
parent 6214c9921a
commit e785ae6125
2 changed files with 9 additions and 0 deletions
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8
src/asahi/compiler/agx_compile.c
View File

@@ -763,6 +763,14 @@ agx_emit_intrinsic(agx_builder *b, nir_intrinsic_instr *instr)
case nir_intrinsic_load_back_face_agx: case nir_intrinsic_load_back_face_agx:
return agx_get_sr_to(b, dst, AGX_SR_BACKFACING); return agx_get_sr_to(b, dst, AGX_SR_BACKFACING);
case nir_intrinsic_load_helper_invocation:
/* Compare special register to zero. We could lower this in NIR (letting
* us fold in an inot) but meh?
*/
return agx_icmpsel_to(b, dst, agx_get_sr(b, 32, AGX_SR_IS_ACTIVE_THREAD),
agx_zero(), agx_immediate(1), agx_zero(),
AGX_ICOND_UEQ);
case nir_intrinsic_load_vertex_id: case nir_intrinsic_load_vertex_id:
return agx_mov_to(b, dst, agx_abs(agx_vertex_id(b))); return agx_mov_to(b, dst, agx_abs(agx_vertex_id(b)));

1
src/asahi/compiler/agx_opcodes.py
View File

@@ -138,6 +138,7 @@ SR = enum("sr", {
56: 'active_thread_index_in_quad', 56: 'active_thread_index_in_quad',
58: 'active_thread_index_in_subgroup', 58: 'active_thread_index_in_subgroup',
62: 'backfacing', 62: 'backfacing',
63: 'is_active_thread',
80: 'thread_position_in_grid.x', 80: 'thread_position_in_grid.x',
81: 'thread_position_in_grid.y', 81: 'thread_position_in_grid.y',
82: 'thread_position_in_grid.z', 82: 'thread_position_in_grid.z',