asahi/clc: promote bindless textures

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35949>

src/asahi/clc/asahi_clc.c

@@ -347,6 +347,13 @@ main(int argc, char **argv)
             bool is_helper = !strcmp(libfunc->name, "libagx_helper");
             struct agx_shader_key key = {
                .promote_constants = !is_helper,
+
+               /* Most of the internal programs don't use textures at all, but
+                * the few that do are exclusively bindless, so we want to
+                * promote their access.
+                */
+               .promote_textures = true,
+
                .reserved_preamble = layout.size_B / 2,
                .is_helper = is_helper,
             };

src/asahi/compiler/agx_compile.h

@@ -178,6 +178,7 @@ static inline struct agx_precompiled_kernel_info
 agx_compact_kernel_info(struct agx_shader_info *info)
 {
    assert(info->has_preamble == (info->nr_preamble_gprs > 0));
+   assert(info->texture_state_count <= 8 && "static maximum, no need to plumb");
 
    return (struct agx_precompiled_kernel_info){
       .preamble_offset = info->preamble_offset,

src/asahi/lib/agx_bg_eot.c

@@ -261,7 +261,7 @@ agx_get_precompiled_locked(struct agx_bg_eot_cache *cache, unsigned program)
 
    /* Bake launch */
    agx_pack(&p->b.launch, CDM_LAUNCH_WORD_0, cfg) {
-      cfg.texture_state_register_count = 0;
+      cfg.texture_state_register_count = 8 /* same encoding as 0 */;
       cfg.sampler_state_register_count = 1;
       cfg.uniform_register_count = info->push_count;
       cfg.preshader_register_count = info->nr_preamble_gprs;