diff options
| -rw-r--r-- | src/glsl/ir_validate.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/glsl/ir_validate.cpp b/src/glsl/ir_validate.cpp index e35514aa6f9..70fb939b10a 100644 --- a/src/glsl/ir_validate.cpp +++ b/src/glsl/ir_validate.cpp @@ -67,6 +67,7 @@ public: virtual ir_visitor_status visit_enter(ir_function_signature *ir); virtual ir_visitor_status visit_leave(ir_expression *ir); + virtual ir_visitor_status visit_leave(ir_swizzle *ir); virtual ir_visitor_status visit_enter(ir_assignment *ir); @@ -365,6 +366,23 @@ ir_validate::visit_leave(ir_expression *ir) } ir_visitor_status +ir_validate::visit_leave(ir_swizzle *ir) +{ + int chans[4] = {ir->mask.x, ir->mask.y, ir->mask.z, ir->mask.w}; + + for (unsigned int i = 0; i < ir->type->vector_elements; i++) { + if (chans[i] >= ir->val->type->vector_elements) { + printf("ir_swizzle @ %p specifies a channel not present " + "in the value.\n", (void *) ir); + ir->print(); + abort(); + } + } + + return visit_continue; +} + +ir_visitor_status ir_validate::visit(ir_variable *ir) { /* An ir_variable is the one thing that can (and will) appear multiple times |