diff options
Diffstat (limited to 'src/glsl/ast_to_hir.cpp')
-rw-r--r-- | src/glsl/ast_to_hir.cpp | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/src/glsl/ast_to_hir.cpp b/src/glsl/ast_to_hir.cpp index 7da1461195..a6a0c32831 100644 --- a/src/glsl/ast_to_hir.cpp +++ b/src/glsl/ast_to_hir.cpp @@ -66,6 +66,8 @@ _mesa_ast_to_hir(exec_list *instructions, struct _mesa_glsl_parse_state *state) state->current_function = NULL; + state->toplevel_ir = instructions; + /* Section 4.2 of the GLSL 1.20 specification states: * "The built-in functions are scoped in a scope outside the global scope * users declare global variables in. That is, a shader's global scope, @@ -85,6 +87,8 @@ _mesa_ast_to_hir(exec_list *instructions, struct _mesa_glsl_parse_state *state) ast->hir(instructions, state); detect_recursion_unlinked(state, instructions); + + state->toplevel_ir = NULL; } @@ -2926,23 +2930,16 @@ ast_parameter_declarator::parameters_to_hir(exec_list *ast_parameters, void -emit_function(_mesa_glsl_parse_state *state, exec_list *instructions, - ir_function *f) +emit_function(_mesa_glsl_parse_state *state, ir_function *f) { - /* Emit the new function header */ - if (state->current_function == NULL) { - instructions->push_tail(f); - } else { - /* IR invariants disallow function declarations or definitions nested - * within other function definitions. Insert the new ir_function - * block in the instruction sequence before the ir_function block - * containing the current ir_function_signature. - */ - ir_function *const curr = - const_cast<ir_function *>(state->current_function->function()); - - curr->insert_before(f); - } + /* IR invariants disallow function declarations or definitions + * nested within other function definitions. But there is no + * requirement about the relative order of function declarations + * and definitions with respect to one another. So simply insert + * the new ir_function block at the end of the toplevel instruction + * list. + */ + state->toplevel_ir->push_tail(f); } @@ -3069,7 +3066,7 @@ ast_function::hir(exec_list *instructions, return NULL; } - emit_function(state, instructions, f); + emit_function(state, f); } /* Verify the return type of main() */ |