From ffcec135997545b4dc2b3393ccb02558083373a0 Mon Sep 17 00:00:00 2001 From: Kenneth Graunke Date: Wed, 21 Jul 2010 20:09:21 -0700 Subject: ir_constant_expression: Extract dot product calculation for reuse. --- src/glsl/ir_constant_expression.cpp | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) (limited to 'src/glsl/ir_constant_expression.cpp') diff --git a/src/glsl/ir_constant_expression.cpp b/src/glsl/ir_constant_expression.cpp index 799bd4a60b..c4a416aa35 100644 --- a/src/glsl/ir_constant_expression.cpp +++ b/src/glsl/ir_constant_expression.cpp @@ -39,6 +39,18 @@ #include "ir_visitor.h" #include "glsl_types.h" +static float +dot(ir_constant *op0, ir_constant *op1) +{ + assert(op0->type->is_float() && op1->type->is_float()); + + float result = 0; + for (unsigned c = 0; c < op0->type->components(); c++) + result += op0->value.f[c] * op1->value.f[c]; + + return result; +} + ir_constant * ir_expression::constant_expression_value() { @@ -326,14 +338,9 @@ ir_expression::constant_expression_value() break; case ir_binop_dot: - assert(op[0]->type->is_vector() && op[1]->type->is_vector()); - assert(op[0]->type->is_float() && op[1]->type->is_float()); - data.f[0] = 0; - for (unsigned c = 0; c < op[0]->type->components(); c++) { - data.f[0] += op[0]->value.f[c] * op[1]->value.f[c]; - } - + data.f[0] = dot(op[0], op[1]); break; + case ir_binop_min: assert(op[0]->type == op[1]->type || op0_scalar || op1_scalar); for (unsigned c = 0, c0 = 0, c1 = 0; -- cgit v1.2.3