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glsl: Initialize coordinate to NULL in ir_texture constructor.

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I ran into this while trying to create a TXS query, which doesn't have a
coordinate.  Since it didn't get initialized to NULL, a bunch of
visitors tried to access it and crashed.

Most of the time, this won't be a problem, but it's just a good idea.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Kenneth Graunke 2012-07-09 12:36:49 -07:00
parent d9a8cd76e5
commit b656df990f
1 changed files with 2 additions and 1 deletions
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3
src/glsl/ir.h
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@ -1341,7 +1341,8 @@ enum ir_texture_opcode {
class ir_texture : public ir_rvalue {
public:
ir_texture(enum ir_texture_opcode op)
: op(op), projector(NULL), shadow_comparitor(NULL), offset(NULL)
: op(op), coordinate(NULL), projector(NULL), shadow_comparitor(NULL),
offset(NULL)
{
this->ir_type = ir_type_texture;
}