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Since high bits can be used for flags, mask them out.

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This stops arbvpwarpmesh from segfaulting and it actually works - with immediate mode rendering.
This commit is contained in:
Vladimir Dergachev 2005-02-03 06:33:44 +00:00
parent 3f0926b612
commit 19b260119a
1 changed files with 2 additions and 1 deletions
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3
src/mesa/drivers/dri/r300/r300_vertexprog.c
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@ -39,6 +39,7 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
#define SCALAR_FLAG (1<<31)
#define FLAG_MASK (1<<31)
#define OP_MASK (0xf) /* we are unlikely to have more than 15 */
#define OPN(operator, ip, op) {#operator, VP_OPCODE_##operator, ip, op}
struct{
@ -430,7 +431,7 @@ static unsigned long op_operands(enum vp_opcode opcode)
/* Can we trust mesas opcodes to be in order ? */
for(i=0; i < sizeof(op_names) / sizeof(*op_names); i++)
if(op_names[i].opcode == opcode)
return op_names[i].ip;
return op_names[i].ip & OP_MASK;
fprintf(stderr, "op %d not found in op_names\n", opcode);
exit(-1);