diff options
| author | Brian <[email protected]> | 2007-03-27 11:02:20 -0600 |
|---|---|---|
| committer | Brian <[email protected]> | 2007-03-27 16:06:47 -0600 |
| commit | a0275b0d2c071ed8254c2af3a0c53eec9d3561a6 (patch) | |
| tree | 17c50d80a0ed4c4dc2ef5fd4591055cbf55c4401 /src/mesa/shader/prog_execute.c | |
| parent | d6d6d20b137b23c1c28ca64f7781213f7df36e9a (diff) | |
fix off by one error in OPCODE_RET
Diffstat (limited to 'src/mesa/shader/prog_execute.c')
| -rw-r--r-- | src/mesa/shader/prog_execute.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c index f881d477caa..37240820e79 100644 --- a/src/mesa/shader/prog_execute.c +++ b/src/mesa/shader/prog_execute.c @@ -752,8 +752,8 @@ _mesa_execute_program(GLcontext * ctx, if (machine->StackDepth >= MAX_PROGRAM_CALL_DEPTH) { return GL_TRUE; /* Per GL_NV_vertex_program2 spec */ } - machine->CallStack[machine->StackDepth++] = pc + 1; - pc = inst->BranchTarget; /* XXX - 1 ??? */ + machine->CallStack[machine->StackDepth++] = pc + 1; /* next inst */ + pc = inst->BranchTarget; } break; case OPCODE_CMP: @@ -1305,7 +1305,8 @@ _mesa_execute_program(GLcontext * ctx, if (machine->StackDepth == 0) { return GL_TRUE; /* Per GL_NV_vertex_program2 spec */ } - pc = machine->CallStack[--machine->StackDepth]; + /* subtract one because of pc++ in the for loop */ + pc = machine->CallStack[--machine->StackDepth] - 1; } break; case OPCODE_RFL: /* reflection vector */ |