Module: Mesa Branch: master Commit: 3803295fc2b9c517e80aa46f2338308e23e64e4a URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=3803295fc2b9c517e80aa46f2338308e23e64e4a
Author: Ian Romanick <[email protected]> Date: Fri Feb 11 15:19:05 2011 -0800 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. --- 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 d0ec23f..7f905ae 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; } _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
