From 90a8b792c04679fc745e5a68ead9f7c37b8d07c4 Mon Sep 17 00:00:00 2001 From: Chad Versace Date: Fri, 8 Oct 2010 17:28:34 -0700 Subject: [PATCH] glsl: Implement constant expr evaluation for bitwise-not Implement by adding a case to ir_expression::constant_expression_value() for ir_unop_bit_not. --- src/glsl/ir_constant_expression.cpp | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/src/glsl/ir_constant_expression.cpp b/src/glsl/ir_constant_expression.cpp index 8301e68..4327175 100644 --- a/src/glsl/ir_constant_expression.cpp +++ b/src/glsl/ir_constant_expression.cpp @@ -100,6 +100,21 @@ ir_expression::constant_expression_value() } switch (this->operation) { + case ir_unop_bit_not: + switch (op[0]->type->base_type) { + case GLSL_TYPE_INT: + for (unsigned c = 0; c < components; c++) + data.i[c] = ~ op[0]->value.i[c]; + break; + case GLSL_TYPE_UINT: + for (unsigned c = 0; c < components; c++) + data.u[c] = ~ op[0]->value.u[c]; + break; + default: + assert(0); + } + break; + case ir_unop_logic_not: assert(op[0]->type->base_type == GLSL_TYPE_BOOL); for (unsigned c = 0; c < op[0]->type->components(); c++) -- 2.7.4