freedreno/ir3: fix constlen in case of load_uniform_indirect

We can't rely on what we get from the assembler if we have indirect
addressing of constant file, since the assembler doesn't know the array
index.  This got lost in the transition to NIR.

Signed-off-by: Rob Clark <robclark@freedesktop.org>

src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c

@@ -1372,6 +1372,11 @@ emit_intrinisic(struct ir3_compile *ctx, nir_intrinsic_instr *intr)
 			dst[i] = create_uniform_indirect(ctx, n,
 					get_addr(ctx, src[0]));
 		}
+		/* NOTE: if relative addressing is used, we set constlen in
+		 * the compiler (to worst-case value) since we don't know in
+		 * the assembler what the max addr reg value can be:
+		 */
+		ctx->so->constlen = ctx->s->num_uniforms;
 		break;
 	case nir_intrinsic_load_ubo:
 	case nir_intrinsic_load_ubo_indirect: