vk/0.210.0: Rework device features and limits
[mesa.git] / src / vulkan / anv_nir_apply_pipeline_layout.c
index dea2dee3b32ab772206211c167332f6b67ed87e1..1b196cd62b782b14ff0ea771dcf0399323e463ca 100644 (file)
@@ -28,33 +28,11 @@ struct apply_pipeline_layout_state {
    nir_shader *shader;
    nir_builder builder;
 
-   VkShaderStage stage;
    const struct anv_pipeline_layout *layout;
 
    bool progress;
 };
 
-static nir_intrinsic_op
-lowered_op(nir_intrinsic_op op)
-{
-   switch (op) {
-   case nir_intrinsic_load_ubo_vk:
-      return nir_intrinsic_load_ubo;
-   case nir_intrinsic_load_ubo_vk_indirect:
-      return nir_intrinsic_load_ubo_indirect;
-   case nir_intrinsic_load_ssbo_vk:
-      return nir_intrinsic_load_ssbo;
-   case nir_intrinsic_load_ssbo_vk_indirect:
-      return nir_intrinsic_load_ssbo_indirect;
-   case nir_intrinsic_store_ssbo_vk:
-      return nir_intrinsic_store_ssbo;
-   case nir_intrinsic_store_ssbo_vk_indirect:
-      return nir_intrinsic_store_ssbo_indirect;
-   default:
-      unreachable("Invalid intrinsic for lowering");
-   }
-}
-
 static uint32_t
 get_surface_index(unsigned set, unsigned binding,
                   struct apply_pipeline_layout_state *state)
@@ -63,41 +41,53 @@ get_surface_index(unsigned set, unsigned binding,
    struct anv_descriptor_set_layout *set_layout =
       state->layout->set[set].layout;
 
+   gl_shader_stage stage = state->shader->stage;
+
    assert(binding < set_layout->binding_count);
 
-   assert(set_layout->binding[binding].stage[state->stage].surface_index >= 0);
+   assert(set_layout->binding[binding].stage[stage].surface_index >= 0);
 
    uint32_t surface_index =
-      state->layout->set[set].stage[state->stage].surface_start +
-      set_layout->binding[binding].stage[state->stage].surface_index;
+      state->layout->set[set].stage[stage].surface_start +
+      set_layout->binding[binding].stage[stage].surface_index;
 
-   assert(surface_index < state->layout->stage[state->stage].surface_count);
+   assert(surface_index < state->layout->stage[stage].surface_count);
 
    return surface_index;
 }
 
-static bool
-try_lower_intrinsic(nir_intrinsic_instr *intrin,
-                    struct apply_pipeline_layout_state *state)
+static uint32_t
+get_sampler_index(unsigned set, unsigned binding, nir_texop tex_op,
+                  struct apply_pipeline_layout_state *state)
 {
-   nir_builder *b = &state->builder;
+   assert(set < state->layout->num_sets);
+   struct anv_descriptor_set_layout *set_layout =
+      state->layout->set[set].layout;
 
-   int block_idx_src;
-   switch (intrin->intrinsic) {
-   case nir_intrinsic_load_ubo_vk:
-   case nir_intrinsic_load_ubo_vk_indirect:
-   case nir_intrinsic_load_ssbo_vk:
-   case nir_intrinsic_load_ssbo_vk_indirect:
-      block_idx_src = 0;
-      break;
-   case nir_intrinsic_store_ssbo_vk:
-   case nir_intrinsic_store_ssbo_vk_indirect:
-      block_idx_src = 1;
-      break;
-   default:
-      return false;
+   assert(binding < set_layout->binding_count);
+
+   gl_shader_stage stage = state->shader->stage;
+
+   if (set_layout->binding[binding].stage[stage].sampler_index < 0) {
+      assert(tex_op == nir_texop_txf);
+      return 0;
    }
 
+   uint32_t sampler_index =
+      state->layout->set[set].stage[stage].sampler_start +
+      set_layout->binding[binding].stage[stage].sampler_index;
+
+   assert(sampler_index < state->layout->stage[stage].sampler_count);
+
+   return sampler_index;
+}
+
+static void
+lower_res_index_intrinsic(nir_intrinsic_instr *intrin,
+                          struct apply_pipeline_layout_state *state)
+{
+   nir_builder *b = &state->builder;
+
    b->cursor = nir_before_instr(&intrin->instr);
 
    uint32_t set = intrin->const_index[0];
@@ -106,44 +96,31 @@ try_lower_intrinsic(nir_intrinsic_instr *intrin,
    uint32_t surface_index = get_surface_index(set, binding, state);
 
    nir_const_value *const_block_idx =
-      nir_src_as_const_value(intrin->src[block_idx_src]);
+      nir_src_as_const_value(intrin->src[0]);
 
    nir_ssa_def *block_index;
    if (const_block_idx) {
       block_index = nir_imm_int(b, surface_index + const_block_idx->u[0]);
    } else {
       block_index = nir_iadd(b, nir_imm_int(b, surface_index),
-                             nir_ssa_for_src(b, intrin->src[block_idx_src], 1));
+                             nir_ssa_for_src(b, intrin->src[0], 1));
    }
 
-   nir_instr_rewrite_src(&intrin->instr, &intrin->src[block_idx_src],
-                         nir_src_for_ssa(block_index));
-
-   intrin->intrinsic = lowered_op(intrin->intrinsic);
-   /* Shift the offset indices down */
-   intrin->const_index[0] = intrin->const_index[2];
-   intrin->const_index[1] = intrin->const_index[3];
-
-   return true;
+   assert(intrin->dest.is_ssa);
+   nir_ssa_def_rewrite_uses(&intrin->dest.ssa, nir_src_for_ssa(block_index));
+   nir_instr_remove(&intrin->instr);
 }
 
 static void
-lower_tex(nir_tex_instr *tex, struct apply_pipeline_layout_state *state)
+lower_tex_deref(nir_tex_instr *tex, nir_deref_var *deref,
+                unsigned *const_index, nir_tex_src_type src_type,
+                struct apply_pipeline_layout_state *state)
 {
-   /* No one should have come by and lowered it already */
-   assert(tex->sampler);
-
-   unsigned set = tex->sampler->var->data.descriptor_set;
-   unsigned binding = tex->sampler->var->data.binding;
+   if (deref->deref.child) {
+      assert(deref->deref.child->deref_type == nir_deref_type_array);
+      nir_deref_array *deref_array = nir_deref_as_array(deref->deref.child);
 
-   tex->sampler_index = get_surface_index(set, binding, state);
-
-   if (tex->sampler->deref.child) {
-      assert(tex->sampler->deref.child->deref_type == nir_deref_type_array);
-      nir_deref_array *deref_array =
-         nir_deref_as_array(tex->sampler->deref.child);
-
-      tex->sampler_index += deref_array->base_offset;
+      *const_index += deref_array->base_offset;
 
       if (deref_array->deref_array_type == nir_deref_array_type_indirect) {
          nir_tex_src *new_srcs = rzalloc_array(tex, nir_tex_src,
@@ -160,13 +137,52 @@ lower_tex(nir_tex_instr *tex, struct apply_pipeline_layout_state *state)
          /* Now we can go ahead and move the source over to being a
           * first-class texture source.
           */
-         tex->src[tex->num_srcs].src_type = nir_tex_src_sampler_offset;
+         tex->src[tex->num_srcs].src_type = src_type;
          tex->num_srcs++;
-         nir_instr_move_src(&tex->instr, &tex->src[tex->num_srcs - 1].src,
-                            &deref_array->indirect);
+         assert(deref_array->indirect.is_ssa);
+         nir_instr_rewrite_src(&tex->instr, &tex->src[tex->num_srcs - 1].src,
+                               deref_array->indirect);
       }
    }
+}
+
+static void
+cleanup_tex_deref(nir_tex_instr *tex, nir_deref_var *deref)
+{
+   if (deref->deref.child == NULL)
+      return;
 
+   nir_deref_array *deref_array = nir_deref_as_array(deref->deref.child);
+
+   if (deref_array->deref_array_type != nir_deref_array_type_indirect)
+      return;
+
+   nir_instr_rewrite_src(&tex->instr, &deref_array->indirect, NIR_SRC_INIT);
+}
+
+static void
+lower_tex(nir_tex_instr *tex, struct apply_pipeline_layout_state *state)
+{
+   /* No one should have come by and lowered it already */
+   assert(tex->sampler);
+
+   nir_deref_var *tex_deref = tex->texture ? tex->texture : tex->sampler;
+   tex->texture_index =
+      get_surface_index(tex_deref->var->data.descriptor_set,
+                        tex_deref->var->data.binding, state);
+   lower_tex_deref(tex, tex_deref, &tex->texture_index,
+                   nir_tex_src_texture_offset, state);
+
+   tex->sampler_index =
+      get_sampler_index(tex->sampler->var->data.descriptor_set,
+                        tex->sampler->var->data.binding, tex->op, state);
+   lower_tex_deref(tex, tex->sampler, &tex->sampler_index,
+                   nir_tex_src_sampler_offset, state);
+
+   if (tex->texture)
+      cleanup_tex_deref(tex, tex->texture);
+   cleanup_tex_deref(tex, tex->sampler);
+   tex->texture = NULL;
    tex->sampler = NULL;
 }
 
@@ -177,10 +193,14 @@ apply_pipeline_layout_block(nir_block *block, void *void_state)
 
    nir_foreach_instr_safe(block, instr) {
       switch (instr->type) {
-      case nir_instr_type_intrinsic:
-         if (try_lower_intrinsic(nir_instr_as_intrinsic(instr), state))
+      case nir_instr_type_intrinsic: {
+         nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr);
+         if (intrin->intrinsic == nir_intrinsic_vulkan_resource_index) {
+            lower_res_index_intrinsic(intrin, state);
             state->progress = true;
+         }
          break;
+      }
       case nir_instr_type_tex:
          lower_tex(nir_instr_as_tex(instr), state);
          /* All texture instructions need lowering */
@@ -200,7 +220,6 @@ anv_nir_apply_pipeline_layout(nir_shader *shader,
 {
    struct apply_pipeline_layout_state state = {
       .shader = shader,
-      .stage = anv_vk_shader_stage_for_mesa_stage(shader->stage),
       .layout = layout,
    };