glsl: Generate code for constant ir_binop_ldexp expressions
[mesa.git] / src / compiler / glsl / link_uniforms.cpp
index 43ff52522ee74f3228785d6819f832618bfc4311..dbe808fd5328ab600eee4d03a7df8978764370e2 100644 (file)
@@ -65,7 +65,7 @@ program_resource_visitor::process(const glsl_type *type, const char *name)
 
    unsigned record_array_count = 1;
    char *name_copy = ralloc_strdup(NULL, name);
-   unsigned packing = type->interface_packing;
+   enum glsl_interface_packing packing = type->get_interface_packing();
 
    recursion(type, &name_copy, strlen(name), false, NULL, packing, false,
              record_array_count, NULL);
@@ -79,9 +79,9 @@ program_resource_visitor::process(ir_variable *var)
    const bool row_major =
       var->data.matrix_layout == GLSL_MATRIX_LAYOUT_ROW_MAJOR;
 
-   const unsigned packing = var->get_interface_type() ?
-      var->get_interface_type()->interface_packing :
-      var->type->interface_packing;
+   const enum glsl_interface_packing packing = var->get_interface_type() ?
+      var->get_interface_type_packing() :
+      var->type->get_interface_packing();
 
    const glsl_type *t =
       var->data.from_named_ifc_block ? var->get_interface_type() : var->type;
@@ -116,7 +116,7 @@ void
 program_resource_visitor::recursion(const glsl_type *t, char **name,
                                     size_t name_length, bool row_major,
                                     const glsl_type *record_type,
-                                    const unsigned packing,
+                                    const enum glsl_interface_packing packing,
                                     bool last_field,
                                     unsigned record_array_count,
                                     const glsl_struct_field *named_ifc_member)
@@ -228,7 +228,7 @@ void
 program_resource_visitor::visit_field(const glsl_type *type, const char *name,
                                       bool row_major,
                                       const glsl_type *,
-                                      const unsigned,
+                                      const enum glsl_interface_packing,
                                       bool /* last_field */)
 {
    visit_field(type, name, row_major);
@@ -243,13 +243,13 @@ program_resource_visitor::visit_field(const glsl_struct_field *field)
 
 void
 program_resource_visitor::enter_record(const glsl_type *, const char *, bool,
-                                       const unsigned)
+                                       const enum glsl_interface_packing)
 {
 }
 
 void
 program_resource_visitor::leave_record(const glsl_type *, const char *, bool,
-                                       const unsigned)
+                                       const enum glsl_interface_packing)
 {
 }
 
@@ -282,7 +282,7 @@ public:
       : num_active_uniforms(0), num_hidden_uniforms(0), num_values(0),
         num_shader_samplers(0), num_shader_images(0),
         num_shader_uniform_components(0), num_shader_subroutines(0),
-        is_ubo_var(false), is_shader_storage(false), map(map),
+        is_buffer_block(false), is_shader_storage(false), map(map),
         hidden_map(hidden_map)
    {
       /* empty */
@@ -299,7 +299,7 @@ public:
    void process(ir_variable *var)
    {
       this->current_var = var;
-      this->is_ubo_var = var->is_in_buffer_block();
+      this->is_buffer_block = var->is_in_buffer_block();
       this->is_shader_storage = var->is_in_shader_storage_block();
       if (var->is_interface_instance())
          program_resource_visitor::process(var->get_interface_type(),
@@ -340,7 +340,7 @@ public:
     */
    unsigned num_shader_subroutines;
 
-   bool is_ubo_var;
+   bool is_buffer_block;
    bool is_shader_storage;
 
    struct string_to_uint_map *map;
@@ -380,7 +380,7 @@ private:
           * Note that samplers do not count against this limit because they
           * don't use any storage on current hardware.
           */
-         if (!is_ubo_var && !is_shader_storage)
+         if (!is_buffer_block)
             this->num_shader_uniform_components += values;
       }
 
@@ -402,7 +402,9 @@ private:
        * uniforms.
        */
       this->num_active_uniforms++;
-      this->num_values += values;
+
+      if(!is_gl_identifier(name) && !is_shader_storage && !is_buffer_block)
+         this->num_values += values;
    }
 
    struct string_to_uint_map *hidden_map;
@@ -462,7 +464,7 @@ public:
 
       buffer_block_index = -1;
       if (var->is_in_buffer_block()) {
-         struct gl_uniform_block **blks = var->is_in_shader_storage_block() ?
+         struct gl_uniform_block *blks = var->is_in_shader_storage_block() ?
             prog->ShaderStorageBlocks : prog->UniformBlocks;
          unsigned num_blks = var->is_in_shader_storage_block() ?
             prog->NumShaderStorageBlocks : prog->NumUniformBlocks;
@@ -471,15 +473,15 @@ public:
             unsigned l = strlen(var->get_interface_type()->name);
 
             for (unsigned i = 0; i < num_blks; i++) {
-               if (strncmp(var->get_interface_type()->name, blks[i]->Name, l)
-                   == 0 && blks[i]->Name[l] == '[') {
+               if (strncmp(var->get_interface_type()->name, blks[i].Name, l)
+                   == 0 && blks[i].Name[l] == '[') {
                   buffer_block_index = i;
                   break;
                }
             }
          } else {
             for (unsigned i = 0; i < num_blks; i++) {
-               if (strcmp(var->get_interface_type()->name, blks[i]->Name) ==
+               if (strcmp(var->get_interface_type()->name, blks[i].Name) ==
                    0) {
                   buffer_block_index = i;
                   break;
@@ -500,7 +502,7 @@ public:
                     var->get_interface_type()->name);
          } else {
             const struct gl_uniform_block *const block =
-               blks[buffer_block_index];
+               &blks[buffer_block_index];
 
             assert(var->data.location != -1);
 
@@ -660,7 +662,7 @@ private:
    }
 
    virtual void enter_record(const glsl_type *type, const char *,
-                             bool row_major, const unsigned packing) {
+                             bool row_major, const enum glsl_interface_packing packing) {
       assert(type->is_record());
       if (this->buffer_block_index == -1)
          return;
@@ -673,7 +675,7 @@ private:
    }
 
    virtual void leave_record(const glsl_type *type, const char *,
-                             bool row_major, const unsigned packing) {
+                             bool row_major, const enum glsl_interface_packing packing) {
       assert(type->is_record());
       if (this->buffer_block_index == -1)
          return;
@@ -686,8 +688,8 @@ private:
    }
 
    virtual void visit_field(const glsl_type *type, const char *name,
-                            bool row_major, const glsl_type *record_type,
-                            const unsigned packing,
+                            bool row_major, const glsl_type * /* record_type */,
+                            const enum glsl_interface_packing packing,
                             bool /* last_field */)
    {
       assert(!type->without_array()->is_record());
@@ -762,13 +764,15 @@ private:
          current_var->data.how_declared == ir_var_hidden;
       this->uniforms[id].builtin = is_gl_identifier(name);
 
-      /* Do not assign storage if the uniform is builtin */
-      if (!this->uniforms[id].builtin)
-         this->uniforms[id].storage = this->values;
-
       this->uniforms[id].is_shader_storage =
          current_var->is_in_shader_storage_block();
 
+      /* Do not assign storage if the uniform is a builtin or buffer object */
+      if (!this->uniforms[id].builtin &&
+          !this->uniforms[id].is_shader_storage &&
+          this->buffer_block_index == -1)
+         this->uniforms[id].storage = this->values;
+
       if (this->buffer_block_index != -1) {
          this->uniforms[id].block_index = this->buffer_block_index;
 
@@ -819,7 +823,10 @@ private:
          this->uniforms[id].row_major = false;
       }
 
-      this->values += values_for_type(type);
+      if (!this->uniforms[id].builtin &&
+          !this->uniforms[id].is_shader_storage &&
+          this->buffer_block_index == -1)
+         this->values += values_for_type(type);
    }
 
    /**
@@ -874,59 +881,6 @@ public:
    unsigned shader_shadow_samplers;
 };
 
-/**
- * Merges a uniform block into an array of uniform blocks that may or
- * may not already contain a copy of it.
- *
- * Returns the index of the new block in the array.
- */
-int
-link_cross_validate_uniform_block(void *mem_ctx,
-                                  struct gl_uniform_block **linked_blocks,
-                                  unsigned int *num_linked_blocks,
-                                  struct gl_uniform_block *new_block)
-{
-   for (unsigned int i = 0; i < *num_linked_blocks; i++) {
-      struct gl_uniform_block *old_block = &(*linked_blocks)[i];
-
-      if (strcmp(old_block->Name, new_block->Name) == 0)
-         return link_uniform_blocks_are_compatible(old_block, new_block)
-            ? i : -1;
-   }
-
-   *linked_blocks = reralloc(mem_ctx, *linked_blocks,
-                             struct gl_uniform_block,
-                             *num_linked_blocks + 1);
-   int linked_block_index = (*num_linked_blocks)++;
-   struct gl_uniform_block *linked_block = &(*linked_blocks)[linked_block_index];
-
-   memcpy(linked_block, new_block, sizeof(*new_block));
-   linked_block->Uniforms = ralloc_array(*linked_blocks,
-                                         struct gl_uniform_buffer_variable,
-                                         linked_block->NumUniforms);
-
-   memcpy(linked_block->Uniforms,
-          new_block->Uniforms,
-          sizeof(*linked_block->Uniforms) * linked_block->NumUniforms);
-
-   linked_block->Name = ralloc_strdup(*linked_blocks, linked_block->Name);
-
-   for (unsigned int i = 0; i < linked_block->NumUniforms; i++) {
-      struct gl_uniform_buffer_variable *ubo_var =
-         &linked_block->Uniforms[i];
-
-      if (ubo_var->Name == ubo_var->IndexName) {
-         ubo_var->Name = ralloc_strdup(*linked_blocks, ubo_var->Name);
-         ubo_var->IndexName = ubo_var->Name;
-      } else {
-         ubo_var->Name = ralloc_strdup(*linked_blocks, ubo_var->Name);
-         ubo_var->IndexName = ralloc_strdup(*linked_blocks, ubo_var->IndexName);
-      }
-   }
-
-   return linked_block_index;
-}
-
 /**
  * Walks the IR and update the references to uniform blocks in the
  * ir_variables to point at linked shader's list (previously, they
@@ -934,7 +888,7 @@ link_cross_validate_uniform_block(void *mem_ctx,
  * shaders).
  */
 static void
-link_update_uniform_buffer_variables(struct gl_shader *shader)
+link_update_uniform_buffer_variables(struct gl_linked_shader *shader)
 {
    foreach_in_list(ir_instruction, node, shader->ir) {
       ir_variable *const var = node->as_variable();
@@ -960,11 +914,16 @@ link_update_uniform_buffer_variables(struct gl_shader *shader)
          sentinel = '[';
       }
 
+      unsigned num_blocks = var->data.mode == ir_var_uniform ?
+         shader->NumUniformBlocks : shader->NumShaderStorageBlocks;
+      struct gl_uniform_block **blks = var->data.mode == ir_var_uniform ?
+         shader->UniformBlocks : shader->ShaderStorageBlocks;
+
       const unsigned l = strlen(var->name);
-      for (unsigned i = 0; i < shader->NumBufferInterfaceBlocks; i++) {
-         for (unsigned j = 0; j < shader->BufferInterfaceBlocks[i]->NumUniforms; j++) {
+      for (unsigned i = 0; i < num_blocks; i++) {
+         for (unsigned j = 0; j < blks[i]->NumUniforms; j++) {
             if (sentinel) {
-               const char *begin = shader->BufferInterfaceBlocks[i]->Uniforms[j].Name;
+               const char *begin = blks[i]->Uniforms[j].Name;
                const char *end = strchr(begin, sentinel);
 
                if (end == NULL)
@@ -978,8 +937,7 @@ link_update_uniform_buffer_variables(struct gl_shader *shader)
                   var->data.location = j;
                   break;
                }
-            } else if (!strcmp(var->name,
-                               shader->BufferInterfaceBlocks[i]->Uniforms[j].Name)) {
+            } else if (!strcmp(var->name, blks[i]->Uniforms[j].Name)) {
                found = true;
                var->data.location = j;
                break;
@@ -1066,7 +1024,7 @@ link_assign_uniform_locations(struct gl_shader_program *prog,
    struct string_to_uint_map *hiddenUniforms = new string_to_uint_map;
    count_uniform_size uniform_size(prog->UniformHash, hiddenUniforms);
    for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
-      struct gl_shader *sh = prog->_LinkedShaders[i];
+      struct gl_linked_shader *sh = prog->_LinkedShaders[i];
 
       if (sh == NULL)
          continue;
@@ -1104,11 +1062,9 @@ link_assign_uniform_locations(struct gl_shader_program *prog,
       sh->num_uniform_components = uniform_size.num_shader_uniform_components;
       sh->num_combined_uniform_components = sh->num_uniform_components;
 
-      for (unsigned i = 0; i < sh->NumBufferInterfaceBlocks; i++) {
-         if (!sh->BufferInterfaceBlocks[i]->IsShaderStorage) {
-            sh->num_combined_uniform_components +=
-               sh->BufferInterfaceBlocks[i]->UniformBufferSize / 4;
-         }
+      for (unsigned i = 0; i < sh->NumUniformBlocks; i++) {
+         sh->num_combined_uniform_components +=
+            sh->UniformBlocks[i]->UniformBufferSize / 4;
       }
    }
 
@@ -1250,7 +1206,7 @@ link_assign_uniform_locations(struct gl_shader_program *prog,
          continue;
 
       for (unsigned j = 0; j < MESA_SHADER_STAGES; j++) {
-         struct gl_shader *sh = prog->_LinkedShaders[j];
+         struct gl_linked_shader *sh = prog->_LinkedShaders[j];
          if (!sh)
             continue;
 
@@ -1280,7 +1236,7 @@ link_assign_uniform_locations(struct gl_shader_program *prog,
       if (uniforms[i].remap_location != UNMAPPED_UNIFORM_LOC)
          continue;
       for (unsigned j = 0; j < MESA_SHADER_STAGES; j++) {
-         struct gl_shader *sh = prog->_LinkedShaders[j];
+         struct gl_linked_shader *sh = prog->_LinkedShaders[j];
          if (!sh)
             continue;
 
@@ -1302,7 +1258,9 @@ link_assign_uniform_locations(struct gl_shader_program *prog,
 
 #ifndef NDEBUG
    for (unsigned i = 0; i < num_uniforms; i++) {
-      assert(uniforms[i].storage != NULL || uniforms[i].builtin);
+      assert(uniforms[i].storage != NULL || uniforms[i].builtin ||
+             uniforms[i].is_shader_storage ||
+             uniforms[i].block_index != -1);
    }
 
    assert(parcel.values == data_end);