intel/fs: keep track of new resource_intel information

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21645>

src/intel/compiler/brw_fs.h

@@ -175,6 +175,16 @@ struct bs_thread_payload : public thread_payload {
    void load_shader_type(const brw::fs_builder &bld, fs_reg &dest) const;
 };
 
+struct brw_fs_bind_info {
+   bool valid;
+   bool bindless;
+   unsigned block;
+   unsigned set;
+   unsigned binding;
+   bblock_t *fs_block;
+   fs_inst *fs_inst_anchor;
+};
+
 /**
  * The fragment shader front-end.
  *
@@ -371,6 +381,8 @@ public:
                          nir_tex_instr *instr);
    void nir_emit_jump(const brw::fs_builder &bld,
                       nir_jump_instr *instr);
+   bool get_nir_src_bindless(const nir_src &src);
+   unsigned get_nir_src_block(const nir_src &src);
    fs_reg get_nir_src(const nir_src &src);
    fs_reg get_nir_src_imm(const nir_src &src);
    fs_reg get_nir_dest(const nir_dest &dest);
@@ -464,6 +476,7 @@ public:
 
    fs_reg *nir_locals;
    fs_reg *nir_ssa_values;
+   struct brw_fs_bind_info *nir_ssa_bind_infos;
    fs_reg *nir_system_values;
 
    bool failed;

src/intel/compiler/brw_fs_builder.h

@@ -829,6 +829,12 @@ namespace brw {
          return inst;
       }
 
+      bblock_t *
+      get_block() const
+      {
+         return block;
+      }
+
       backend_shader *shader;
 
    private:

src/intel/compiler/brw_fs_nir.cpp

@@ -319,6 +319,12 @@ fs_visitor::nir_emit_impl(nir_function_impl *impl)
    nir_ssa_values = reralloc(mem_ctx, nir_ssa_values, fs_reg,
                              impl->ssa_alloc);
 
+   nir_ssa_bind_infos = reralloc(mem_ctx, nir_ssa_bind_infos,
+                                 struct brw_fs_bind_info,
+                                 impl->ssa_alloc);
+   memset(nir_ssa_bind_infos, 0,
+          sizeof(nir_ssa_bind_infos[0]) * impl->ssa_alloc);
+
    nir_emit_cf_list(&impl->body);
 }
 
@@ -1945,6 +1951,24 @@ fs_visitor::nir_emit_load_const(const fs_builder &bld,
    nir_ssa_values[instr->def.index] = reg;
 }
 
+bool
+fs_visitor::get_nir_src_bindless(const nir_src &src)
+{
+   assert(src.is_ssa);
+
+   return nir_ssa_bind_infos[src.ssa->index].bindless;
+}
+
+unsigned
+fs_visitor::get_nir_src_block(const nir_src &src)
+{
+   assert(src.is_ssa);
+
+   return nir_ssa_bind_infos[src.ssa->index].valid ?
+          nir_ssa_bind_infos[src.ssa->index].block :
+          UINT32_MAX;
+}
+
 fs_reg
 fs_visitor::get_nir_src(const nir_src &src)
 {
@@ -3937,12 +3961,19 @@ fs_visitor::get_nir_ssbo_intrinsic_index(const brw::fs_builder &bld,
    const bool is_store =
       instr->intrinsic == nir_intrinsic_store_ssbo ||
       instr->intrinsic == nir_intrinsic_store_ssbo_block_intel;
-   const unsigned src = is_store ? 1 : 0;
+   nir_src src = is_store ? instr->src[1] : instr->src[0];
 
-   if (nir_src_is_const(instr->src[src])) {
+   if (src.is_ssa && src.ssa->parent_instr->type == nir_instr_type_intrinsic) {
-      return brw_imm_ud(nir_src_as_uint(instr->src[src]));
+      nir_intrinsic_instr *intrin =
+         nir_instr_as_intrinsic(src.ssa->parent_instr);
+      if (intrin->intrinsic == nir_intrinsic_resource_intel)
+         src = intrin->src[1];
+   }
+
+   if (nir_src_is_const(src)) {
+      return brw_imm_ud(nir_src_as_uint(src));
    } else {
-      return bld.emit_uniformize(get_nir_src(instr->src[src]));
+      return bld.emit_uniformize(get_nir_src(src));
    }
 }
 
@@ -4094,6 +4125,24 @@ fs_visitor::nir_emit_intrinsic(const fs_builder &bld, nir_intrinsic_instr *instr
       dest = get_nir_dest(instr->dest);
 
    switch (instr->intrinsic) {
+   case nir_intrinsic_resource_intel:
+      nir_ssa_bind_infos[instr->dest.ssa.index].valid = true;
+      nir_ssa_bind_infos[instr->dest.ssa.index].bindless =
+         (nir_intrinsic_resource_access_intel(instr) &
+          nir_resource_intel_bindless) != 0;
+      nir_ssa_bind_infos[instr->dest.ssa.index].block =
+         nir_intrinsic_resource_block_intel(instr);
+      nir_ssa_bind_infos[instr->dest.ssa.index].set =
+         nir_intrinsic_desc_set(instr);
+      nir_ssa_bind_infos[instr->dest.ssa.index].binding =
+         nir_intrinsic_binding(instr);
+      nir_ssa_bind_infos[instr->dest.ssa.index].fs_block =
+         bld.get_block();
+      nir_ssa_bind_infos[instr->dest.ssa.index].fs_inst_anchor =
+         bld.MOV(retype(dest, BRW_REGISTER_TYPE_UD),
+                 retype(get_nir_src(instr->src[1]), BRW_REGISTER_TYPE_UD));
+      break;
+
    case nir_intrinsic_image_load:
    case nir_intrinsic_image_store:
    case nir_intrinsic_image_atomic:

src/intel/compiler/brw_fs_visitor.cpp

@@ -1414,6 +1414,7 @@ fs_visitor::init()
 
    this->nir_locals = NULL;
    this->nir_ssa_values = NULL;
+   this->nir_ssa_bind_infos = NULL;
    this->nir_system_values = NULL;
 
    this->payload_ = NULL;