mesa: remove unused varpool code in glsl compiler

src/mesa/shader/slang/slang_compile.c

@@ -74,18 +74,6 @@ legal_identifier(slang_atom name)
 }
 
 
-/**
- * Allocate storage for a variable of 'size' bytes from given pool.
- * Return the allocated address for the variable.
- */
-static GLuint
-slang_var_pool_alloc(slang_var_pool * pool, unsigned int size)
-{
-   const GLuint addr = pool->next_addr;
-   pool->next_addr += size;
-   return addr;
-}
-
 /*
  * slang_code_unit
  */
@@ -120,7 +108,6 @@ _slang_code_object_ctr(slang_code_object * self)
    for (i = 0; i < SLANG_BUILTIN_TOTAL; i++)
       _slang_code_unit_ctr(&self->builtin[i], self);
    _slang_code_unit_ctr(&self->unit, self);
-   self->varpool.next_addr = 0;
    slang_atom_pool_construct(&self->atompool);
 }
 
@@ -156,7 +143,6 @@ typedef struct slang_output_ctx_
    slang_variable_scope *vars;
    slang_function_scope *funs;
    slang_struct_scope *structs;
-   slang_var_pool *global_pool;
    struct gl_program *program;
    slang_var_table *vartable;
    GLuint default_precision[TYPE_SPECIFIER_COUNT];
@@ -2058,7 +2044,6 @@ parse_init_declarator(slang_parse_ctx * C, slang_output_ctx * O,
             && var->array_len == 0)) {
       if (!calculate_var_size(C, O, var))
          return GL_FALSE;
-      var->address = slang_var_pool_alloc(O->global_pool, var->size);
    }
 
    /* emit code for global var decl */
@@ -2358,7 +2343,6 @@ parse_code_unit(slang_parse_ctx * C, slang_code_unit * unit,
    o.funs = &unit->funs;
    o.structs = &unit->structs;
    o.vars = &unit->vars;
-   o.global_pool = &unit->object->varpool;
    o.program = shader ? shader->Program : NULL;
    o.vartable = _slang_new_var_table(maxRegs);
    _slang_push_var_table(o.vartable);

src/mesa/shader/slang/slang_compile.h

@@ -53,12 +53,6 @@ typedef enum slang_unit_type_
 } slang_unit_type;
 
 
-typedef struct slang_var_pool_
-{
-   GLuint next_addr;
-} slang_var_pool;
-
-
 typedef struct slang_code_unit_
 {
    slang_variable_scope vars;
@@ -86,7 +80,6 @@ typedef struct slang_code_object_
 {
    slang_code_unit builtin[SLANG_BUILTIN_TOTAL];
    slang_code_unit unit;
-   slang_var_pool varpool;
    slang_atom_pool atompool;
 } slang_code_object;
 

src/mesa/shader/slang/slang_compile_variable.c

@@ -164,7 +164,6 @@ slang_variable_construct(slang_variable * var)
    var->a_name = SLANG_ATOM_NULL;
    var->array_len = 0;
    var->initializer = NULL;
-   var->address = ~0;
    var->size = 0;
    var->isTemp = GL_FALSE;
    var->store = NULL;
@@ -219,7 +218,6 @@ slang_variable_copy(slang_variable * x, const slang_variable * y)
          return 0;
       }
    }
-   z.address = y->address;
    z.size = y->size;
    slang_variable_destruct(x);
    *x = z;

src/mesa/shader/slang/slang_compile_variable.h

@@ -38,7 +38,6 @@ typedef struct slang_variable_
    slang_atom a_name;               /**< The variable's name (char *) */
    GLuint array_len;                /**< only if type == SLANG_SPEC_ARRAy */
    struct slang_operation_ *initializer; /**< Optional initializer code */
-   GLuint address;                  /**< Storage location */
    GLuint size;                     /**< Variable's size in bytes */
    GLboolean isTemp;                /**< a named temporary (__resultTmp) */
    GLboolean declared;              /**< for debug */