+ state->unit[i].convert_unorm_to_snorm =
+ v->base.format == PIPE_FORMAT_RGTC1_SNORM ||
+ v->base.format == PIPE_FORMAT_LATC1_SNORM;
+
+ /* Pass texture swizzling to the compiler, some lowering passes need it. */
+ if (v->base.format == PIPE_FORMAT_RGTC1_SNORM ||
+ v->base.format == PIPE_FORMAT_LATC1_SNORM) {
+ unsigned char swizzle[4];
+
+ util_format_compose_swizzles(
+ util_format_description(v->base.format)->swizzle,
+ v->swizzle,
+ swizzle);
+
+ state->unit[i].texture_swizzle =
+ RC_MAKE_SWIZZLE(swizzle[0], swizzle[1],
+ swizzle[2], swizzle[3]);
+ } else if (state->unit[i].compare_mode_enabled) {
+ state->unit[i].texture_swizzle =
+ RC_MAKE_SWIZZLE(v->swizzle[0], v->swizzle[1],
+ v->swizzle[2], v->swizzle[3]);
+ }