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-rw-r--r--src/gallium/drivers/radeonsi/si_shader.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index 883d42c2e1f..73b5d881bc4 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -2839,12 +2839,20 @@ static void si_llvm_emit_es_epilogue(struct lp_build_tgsi_context *bld_base)
}
}
+static LLVMValueRef si_get_gs_wave_id(struct si_shader_context *ctx)
+{
+ if (ctx->screen->b.chip_class >= GFX9)
+ return unpack_param(ctx, ctx->param_merged_wave_info, 16, 8);
+ else
+ return LLVMGetParam(ctx->main_fn, ctx->param_gs_wave_id);
+}
+
static void si_llvm_emit_gs_epilogue(struct lp_build_tgsi_context *bld_base)
{
struct si_shader_context *ctx = si_shader_context(bld_base);
ac_build_sendmsg(&ctx->ac, AC_SENDMSG_GS_OP_NOP | AC_SENDMSG_GS_DONE,
- LLVMGetParam(ctx->main_fn, ctx->param_gs_wave_id));
+ si_get_gs_wave_id(ctx));
}
static void si_llvm_emit_vs_epilogue(struct lp_build_tgsi_context *bld_base)
@@ -5538,7 +5546,7 @@ static void si_llvm_emit_vertex(
/* Signal vertex emission */
ac_build_sendmsg(&ctx->ac, AC_SENDMSG_GS_OP_EMIT | AC_SENDMSG_GS | (stream << 8),
- LLVMGetParam(ctx->main_fn, ctx->param_gs_wave_id));
+ si_get_gs_wave_id(ctx));
if (!use_kill)
lp_build_endif(&if_state);
}
@@ -5555,7 +5563,7 @@ static void si_llvm_emit_primitive(
/* Signal primitive cut */
stream = si_llvm_get_stream(bld_base, emit_data);
ac_build_sendmsg(&ctx->ac, AC_SENDMSG_GS_OP_CUT | AC_SENDMSG_GS | (stream << 8),
- LLVMGetParam(ctx->main_fn, ctx->param_gs_wave_id));
+ si_get_gs_wave_id(ctx));
}
static void si_llvm_emit_barrier(const struct lp_build_tgsi_action *action,