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glsl-optimizer: Flip dFdy for Metal.

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This commit is contained in:
Branimir Karadžić 2016-02-13 21:15:47 -08:00
parent 377e77f6b5
commit 94b6e384a1
1 changed files with 11 additions and 1 deletions

12
3rdparty/glsl-optimizer/src/glsl/ir_print_metal_visitor.cpp vendored
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@ -1020,7 +1020,17 @@ void ir_print_metal_visitor::visit(ir_expression *ir)
const bool halfCast = (arg_prec == glsl_precision_medium || arg_prec == glsl_precision_low);
buffer.asprintf_append (halfCast ? "((half)1.0/(" : "(1.0/(");
} else {
buffer.asprintf_append ("%s(", operator_glsl_strs[ir->operation]);
switch(ir->operation) {
case ir_unop_dFdy:
case ir_unop_dFdy_coarse:
case ir_unop_dFdy_fine:
buffer.asprintf_append ("%s(-", operator_glsl_strs[ir->operation]);
break;
default:
buffer.asprintf_append ("%s(", operator_glsl_strs[ir->operation]);
break;
}
}
if (ir->operands[0])
ir->operands[0]->accept(this);