From: Henri Verbeet <hverbeet@gmail.com>
Date: Tue, 8 Jun 2010 19:29:04 +0000 (-0400)
Subject: r600: Assert output registers have a valid export index.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1bf75a921bcd11dfdc389f490081d83ab536fc58;p=mesa.git

r600: Assert output registers have a valid export index.
---

diff --git a/src/mesa/drivers/dri/r600/r700_assembler.c b/src/mesa/drivers/dri/r600/r700_assembler.c
index 2e64a5778c9..652fd65995c 100644
--- a/src/mesa/drivers/dri/r600/r700_assembler.c
+++ b/src/mesa/drivers/dri/r600/r700_assembler.c
@@ -2609,6 +2609,8 @@ GLboolean next_ins(r700_AssemblerBase *pAsm)
       
     if(pAsm->D.dst.rtype == DST_REG_OUT) 
     {
+        assert(pAsm->D.dst.reg >= pAsm->starting_export_register_number);
+
         if(pAsm->D.dst.op3) 
         {        
             // There is no mask for OP3 instructions, so all channels are written        
@@ -6347,6 +6349,8 @@ GLboolean Process_Export(r700_AssemblerBase* pAsm,
 
     if (export_count == 1) 
     {
+        assert(starting_register_number >= pAsm->starting_export_register_number);
+
         ucWriteMask = pAsm->pucOutMask[starting_register_number - pAsm->starting_export_register_number];
 	/* exports Z as a float into Red channel */
 	if (GL_TRUE == is_depth_export)