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radv,aco: fix reading primitive ID in FS after TES

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Cc: mesa-stable
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/3530
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6760>
(cherry picked from commit 2228835fb5)
This commit is contained in:
Rhys Perry 2020-09-17 14:41:27 +01:00 • committed by Eric Engestrom
parent 0f61e68ede
commit 78df8e5e38
3 changed files with 11 additions and 4 deletions
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2
.pick_status.json
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@ -868,7 +868,7 @@
"description": "radv,aco: fix reading primitive ID in FS after TES",
"nominated": true,
"nomination_type": 0,
"resolution": 0,
"resolution": 1,
"master_sha": null,
"because_sha": null
},

5
src/amd/compiler/aco_instruction_selection.cpp
View file

@ -9753,7 +9753,10 @@ static void create_vs_exports(isel_context *ctx)
if (outinfo->export_prim_id && !(ctx->stage & hw_ngg_gs)) {
ctx->outputs.mask[VARYING_SLOT_PRIMITIVE_ID] |= 0x1;
ctx->outputs.temps[VARYING_SLOT_PRIMITIVE_ID * 4u] = get_arg(ctx, ctx->args->vs_prim_id);
if (ctx->stage & sw_tes)
ctx->outputs.temps[VARYING_SLOT_PRIMITIVE_ID * 4u] = get_arg(ctx, ctx->args->ac.tes_patch_id);
else
ctx->outputs.temps[VARYING_SLOT_PRIMITIVE_ID * 4u] = get_arg(ctx, ctx->args->vs_prim_id);
}
if (ctx->options->key.has_multiview_view_index) {

8
src/amd/vulkan/radv_nir_to_llvm.c
View file

@ -1987,8 +1987,12 @@ handle_vs_outputs_post(struct radv_shader_context *ctx,
outputs[noutput].slot_name = VARYING_SLOT_PRIMITIVE_ID;
outputs[noutput].slot_index = 0;
outputs[noutput].usage_mask = 0x1;
outputs[noutput].values[0] =
ac_get_arg(&ctx->ac, ctx->args->vs_prim_id);
if (ctx->stage == MESA_SHADER_TESS_EVAL)
outputs[noutput].values[0] =
ac_get_arg(&ctx->ac, ctx->args->ac.tes_patch_id);
else
outputs[noutput].values[0] =
ac_get_arg(&ctx->ac, ctx->args->vs_prim_id);
for (unsigned j = 1; j < 4; j++)
outputs[noutput].values[j] = ctx->ac.f32_0;
noutput++;