Mesa (staging/21.3): aco: fix loading 64-bit inputs with fragment shaders
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Fri Oct 22 07:05:01 UTC 2021
Module: Mesa
Branch: staging/21.3
Commit: 5f1ec5b752f5748719fcc0499989f6fc3b1ac969
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=5f1ec5b752f5748719fcc0499989f6fc3b1ac969
Author: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Date: Tue Oct 19 09:16:20 2021 +0200
aco: fix loading 64-bit inputs with fragment shaders
Fixes a bunch of 64-bit IO tests with piglit and Zink.
Cc: 21.3 mesa-stable
Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Reviewed-by: Rhys Perry <pendingchaos02 at gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13454>
(cherry picked from commit 996e81fb70419bdf0e7bb9afea18c142897730dc)
---
.pick_status.json | 2 +-
src/amd/compiler/aco_instruction_selection.cpp | 14 ++++++++++----
2 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/.pick_status.json b/.pick_status.json
index 66052ee637c..164a621f482 100644
--- a/.pick_status.json
+++ b/.pick_status.json
@@ -355,7 +355,7 @@
"description": "aco: fix loading 64-bit inputs with fragment shaders",
"nominated": true,
"nomination_type": 0,
- "resolution": 0,
+ "resolution": 1,
"main_sha": null,
"because_sha": null
},
diff --git a/src/amd/compiler/aco_instruction_selection.cpp b/src/amd/compiler/aco_instruction_selection.cpp
index b28bd57676b..808e004edfa 100644
--- a/src/amd/compiler/aco_instruction_selection.cpp
+++ b/src/amd/compiler/aco_instruction_selection.cpp
@@ -5284,16 +5284,22 @@ visit_load_input(isel_context* ctx, nir_intrinsic_instr* instr)
}
}
- if (instr->dest.ssa.num_components == 1) {
+ if (instr->dest.ssa.num_components == 1 &&
+ instr->dest.ssa.bit_size != 64) {
bld.vintrp(aco_opcode::v_interp_mov_f32, Definition(dst), Operand::c32(vertex_id),
bld.m0(prim_mask), idx, component);
} else {
+ unsigned num_components = instr->dest.ssa.num_components;
+ if (instr->dest.ssa.bit_size == 64)
+ num_components *= 2;
aco_ptr<Pseudo_instruction> vec{create_instruction<Pseudo_instruction>(
- aco_opcode::p_create_vector, Format::PSEUDO, instr->dest.ssa.num_components, 1)};
- for (unsigned i = 0; i < instr->dest.ssa.num_components; i++) {
+ aco_opcode::p_create_vector, Format::PSEUDO, num_components, 1)};
+ for (unsigned i = 0; i < num_components; i++) {
+ unsigned chan_component = (component + i) % 4;
+ unsigned chan_idx = idx + (component + i) / 4;
vec->operands[i] = bld.vintrp(
aco_opcode::v_interp_mov_f32, bld.def(instr->dest.ssa.bit_size == 16 ? v2b : v1),
- Operand::c32(vertex_id), bld.m0(prim_mask), idx, component + i);
+ Operand::c32(vertex_id), bld.m0(prim_mask), chan_idx, chan_component);
}
vec->definitions[0] = Definition(dst);
bld.insert(std::move(vec));
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