diff options
| author | Ian Romanick <[email protected]> | 2011-02-11 15:19:05 -0800 |
|---|---|---|
| committer | Ian Romanick <[email protected]> | 2011-02-11 15:44:19 -0800 |
| commit | 3803295fc2b9c517e80aa46f2338308e23e64e4a (patch) | |
| tree | f83919df3894cd4549d7d7f49eb199a6d07d525b /src/mesa | |
| parent | a0120e6e0f4fbf11a43725862a03f8dc6904bc4b (diff) | |
ir_to_mesa: Don't dereference a NULL pointer during copy propagation
The ACP may already be NULL, so don't try to make it NULL again.
This should fix bugzilla #34119.
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/program/ir_to_mesa.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp index d0ec23fc857..7f905ae5ce3 100644 --- a/src/mesa/program/ir_to_mesa.cpp +++ b/src/mesa/program/ir_to_mesa.cpp @@ -2754,6 +2754,9 @@ ir_to_mesa_visitor::copy_propagate(void) */ for (int r = 0; r < this->next_temp; r++) { for (int c = 0; c < 4; c++) { + if (!acp[4 * r + c]) + continue; + if (acp[4 * r + c]->src_reg[0].file == PROGRAM_OUTPUT) acp[4 * r + c] = NULL; } |