diff options
Diffstat (limited to 'src/mesa')
-rw-r--r-- | src/mesa/shader/slang/slang_codegen.c | 73 |
1 files changed, 21 insertions, 52 deletions
diff --git a/src/mesa/shader/slang/slang_codegen.c b/src/mesa/shader/slang/slang_codegen.c index 80bbf2a5e5..753e5c45c4 100644 --- a/src/mesa/shader/slang/slang_codegen.c +++ b/src/mesa/shader/slang/slang_codegen.c @@ -296,44 +296,6 @@ _slang_array_size(GLint elemSize, GLint arrayLen) } - -/** - * Establish the binding between a slang_ir_node and a slang_variable. - * Then, allocate/attach a slang_ir_storage object to the IR node if needed. - * The IR node must be a IR_VAR or IR_VAR_DECL node. - * \param n the IR node - * \param var the variable to associate with the IR node - */ -static void -_slang_attach_storage(slang_ir_node *n, slang_variable *var) -{ - assert(n); - assert(var); - assert(n->Opcode == IR_VAR || n->Opcode == IR_VAR_DECL); - assert(!n->Var || n->Var == var); - - n->Var = var; - - if (!n->Store) { - /* need to setup node's storage */ - if (var->store) { - /* node's storage = var's storage */ - n->Store = var->store; - } - else { - /* alloc new storage info */ - n->Store = _slang_new_ir_storage(PROGRAM_UNDEFINED, -7, -5); -#if 0 - printf("%s var=%s Store=%p Size=%d\n", __FUNCTION__, - (char*) var->a_name, - (void*) n->Store, n->Store->Size); -#endif - var->store = n->Store; - } - } -} - - /** * Return the TEXTURE_*_INDEX value that corresponds to a sampler type, * or -1 if the type is not a sampler. @@ -743,8 +705,14 @@ new_var(slang_assemble_ctx *A, slang_variable *var) { slang_ir_node *n = new_node0(IR_VAR); if (n) { + ASSERT(var); ASSERT(var->store); - _slang_attach_storage(n, var); + ASSERT(!n->Store); + ASSERT(!n->Var); + + /* Set IR node's Var and Store pointers */ + n->Var = var; + n->Store = var->store; } return n; } @@ -3027,22 +2995,23 @@ _slang_gen_var_decl(slang_assemble_ctx *A, slang_variable *var, if (!varDecl) return NULL; - _slang_attach_storage(varDecl, var); /* undefined storage at first */ - assert(var->store); - assert(varDecl->Store == var->store); - assert(varDecl->Store); - assert(varDecl->Store->Index < 0); - store = var->store; + /* Allocate slang_ir_storage for this variable if needed. + * Note that we may not actually allocate a constant or temporary register + * until later. + */ + if (!var->store) { + GLint index = -7; /* TBD / unknown */ + var->store = _slang_new_ir_storage(file, index, totalSize); + if (!var->store) + return NULL; /* out of memory */ + } - assert(store == varDecl->Store); + /* set the IR node's Var and Store pointers */ + varDecl->Var = var; + varDecl->Store = var->store; - /* Fill in storage fields which we now know. store->Index/Swizzle may be - * set for some cases below. Otherwise, store->Index/Swizzle will be set - * during code emit. - */ - store->File = file; - store->Size = totalSize; + store = var->store; /* if there's an initializer, generate IR for the expression */ if (initializer) { |