ast->set_is_lhs(true);
ir_rvalue *result = ast->hir(instructions, state);
+ /* Error happened, bail out. */
+ if (state->error)
+ return 0;
+
ir_constant *const constant =
result->constant_expression_value(mem_ctx);
ir_call *call = new(ctx) ir_call(sig, deref,
actual_parameters, sub_var, array_idx);
instructions->push_tail(call);
- if (sig->is_builtin()) {
- /* inline immediately */
- call->generate_inline(call);
- call->remove();
- }
/* Also emit any necessary out-parameter conversions. */
instructions->append_list(&post_call_conversions);
}
/* Local shader has no exact candidates; check the built-ins. */
- _mesa_glsl_initialize_builtin_functions();
sig = _mesa_glsl_find_builtin_function(state, name, actual_parameters);
/* if _mesa_glsl_find_builtin_function failed, fall back to the result
}
}
+static bool
+function_exists(_mesa_glsl_parse_state *state,
+ struct glsl_symbol_table *symbols, const char *name)
+{
+ ir_function *f = symbols->get_function(name);
+ if (f != NULL) {
+ foreach_in_list(ir_function_signature, sig, &f->signatures) {
+ if (sig->is_builtin() && !sig->is_builtin_available(state))
+ continue;
+ return true;
+ }
+ }
+ return false;
+}
+
static void
print_function_prototypes(_mesa_glsl_parse_state *state, YYLTYPE *loc,
ir_function *f)
{
gl_shader *sh = _mesa_glsl_get_builtin_function_shader();
- if (state->symbols->get_function(name) == NULL
+ if (!function_exists(state, state->symbols, name)
&& (!state->uses_builtin_functions
- || sh->symbols->get_function(name) == NULL)) {
+ || !function_exists(state, sh->symbols, name))) {
_mesa_glsl_error(loc, state, "no function with name '%s'", name);
} else {
char *str = prototype_string(NULL, name, actual_parameters);
new(ctx) ir_dereference_variable(mvp),
new(ctx) ir_dereference_variable(vtx));
} else {
+ bool is_begin_interlock = false;
+ bool is_end_interlock = false;
+ if (sig->is_builtin() &&
+ state->stage == MESA_SHADER_FRAGMENT &&
+ state->ARB_fragment_shader_interlock_enable) {
+ is_begin_interlock = strcmp(func_name, "beginInvocationInterlockARB") == 0;
+ is_end_interlock = strcmp(func_name, "endInvocationInterlockARB") == 0;
+ }
+
if (sig->is_builtin() &&
((state->stage == MESA_SHADER_TESS_CTRL &&
strcmp(func_name, "barrier") == 0) ||
- (state->stage == MESA_SHADER_FRAGMENT &&
- state->ARB_fragment_shader_interlock_enable &&
- (strcmp(func_name, "beginInvocationInterlockARB") == 0 ||
- strcmp(func_name, "endInvocationInterlockARB") == 0)))) {
+ is_begin_interlock || is_end_interlock)) {
if (state->current_function == NULL ||
strcmp(state->current_function->function_name(), "main") != 0) {
_mesa_glsl_error(&loc, state,
}
}
+ /* There can be only one begin/end interlock pair in the function. */
+ if (is_begin_interlock) {
+ if (state->found_begin_interlock)
+ _mesa_glsl_error(&loc, state,
+ "beginInvocationInterlockARB may not be used twice");
+ state->found_begin_interlock = true;
+ } else if (is_end_interlock) {
+ if (!state->found_begin_interlock)
+ _mesa_glsl_error(&loc, state,
+ "endInvocationInterlockARB may not be used "
+ "before beginInvocationInterlockARB");
+ if (state->found_end_interlock)
+ _mesa_glsl_error(&loc, state,
+ "endInvocationInterlockARB may not be used twice");
+ state->found_end_interlock = true;
+ }
+
value = generate_call(instructions, sig, &actual_parameters, sub_var,
array_idx, state);
if (!value) {