From 323d909ab21c9f378903e2027fcfef5ba9e890f9 Mon Sep 17 00:00:00 2001 From: Kenneth Graunke Date: Thu, 8 Jul 2010 23:21:36 -0700 Subject: [PATCH] ir_constant_expression: Add support for ir_unop_trunc. This uses a C99 function. --- src/glsl/ir_constant_expression.cpp | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/glsl/ir_constant_expression.cpp b/src/glsl/ir_constant_expression.cpp index 292461e..09bc5b6 100644 --- a/src/glsl/ir_constant_expression.cpp +++ b/src/glsl/ir_constant_expression.cpp @@ -206,6 +206,13 @@ ir_constant_visitor::visit(ir_expression *ir) } break; + case ir_unop_trunc: + assert(op[0]->type->base_type == GLSL_TYPE_FLOAT); + for (unsigned c = 0; c < ir->operands[0]->type->components(); c++) { + data.f[c] = truncf(op[0]->value.f[c]); + } + break; + case ir_unop_fract: for (unsigned c = 0; c < ir->operands[0]->type->components(); c++) { switch (ir->type->base_type) { -- 2.7.4