nir/gather_info: Handle multi-slot variables in io bitfields
[mesa.git] / src / glsl / hir_field_selection.cpp
index cc7ba61c8f1d767f9ee925d5708bb2ccf0217b3e..92bb41391948d292662296b902ca6851060f4a9b 100644 (file)
@@ -22,7 +22,6 @@
  */
 
 #include "ir.h"
-#include "program/symbol_table.h"
 #include "glsl_parser_extras.h"
 #include "ast.h"
 #include "glsl_types.h"
@@ -53,50 +52,12 @@ _mesa_ast_field_selection_to_hir(const ast_expression *expr,
                                              expr->primary_expression.identifier);
 
       if (result->type->is_error()) {
-        _mesa_glsl_error(& loc, state, "Cannot access field `%s' of "
+        _mesa_glsl_error(& loc, state, "cannot access field `%s' of "
                          "structure",
                          expr->primary_expression.identifier);
       }
-   } else if (expr->subexpressions[1] != NULL) {
-      /* Handle "method calls" in GLSL 1.20 - namely, array.length() */
-      state->check_version(120, 300, &loc, "Methods not supported");
-
-      ast_expression *call = expr->subexpressions[1];
-      assert(call->oper == ast_function_call);
-
-      const char *method;
-      method = call->subexpressions[0]->primary_expression.identifier;
-
-      if (strcmp(method, "length") == 0) {
-         if (!call->expressions.is_empty())
-            _mesa_glsl_error(&loc, state, "length method takes no arguments.");
-
-         if (op->type->is_array()) {
-            if (op->type->array_size() == 0)
-               _mesa_glsl_error(&loc, state, "length called on unsized array.");
-
-            result = new(ctx) ir_constant(op->type->array_size());
-         } else if (op->type->is_vector()) {
-            if (state->ARB_shading_language_420pack_enable) {
-               /* .length() returns int. */
-               result = new(ctx) ir_constant((int) op->type->vector_elements);
-            } else {
-               _mesa_glsl_error(&loc, state, "length method on matrix only available"
-                                             "with ARB_shading_language_420pack.");
-            }
-         } else if (op->type->is_matrix()) {
-            if (state->ARB_shading_language_420pack_enable) {
-               /* .length() returns int. */
-               result = new(ctx) ir_constant((int) op->type->matrix_columns);
-            } else {
-               _mesa_glsl_error(&loc, state, "length method on matrix only available"
-                                             "with ARB_shading_language_420pack.");
-            }
-         }
-      } else {
-        _mesa_glsl_error(&loc, state, "Unknown method: `%s'.", method);
-      }
-   } else if (op->type->is_vector()) {
+   } else if (op->type->is_vector() ||
+              (state->has_420pack() && op->type->is_scalar())) {
       ir_swizzle *swiz = ir_swizzle::create(op,
                                            expr->primary_expression.identifier,
                                            op->type->vector_elements);
@@ -107,12 +68,12 @@ _mesa_ast_field_selection_to_hir(const ast_expression *expr,
          * FINISHME: ir_swizzle::create.  This allows the generation of more
          * FINISHME: specific error messages.
          */
-        _mesa_glsl_error(& loc, state, "Invalid swizzle / mask `%s'",
+        _mesa_glsl_error(& loc, state, "invalid swizzle / mask `%s'",
                          expr->primary_expression.identifier);
       }
    } else {
-      _mesa_glsl_error(& loc, state, "Cannot access field `%s' of "
-                      "non-structure / non-vector.",
+      _mesa_glsl_error(& loc, state, "cannot access field `%s' of "
+                      "non-structure / non-vector",
                       expr->primary_expression.identifier);
    }