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authorEric Anholt <eric@anholt.net>2010-09-04 21:04:58 -0700
committerEric Anholt <eric@anholt.net>2010-09-07 10:34:09 -0700
commit0002069fd5117b52f0ae2be0b7e3d8e839a3a61c (patch)
tree080f09bb497a8afbcc8fb49056cc42da65117ad7
parent3fb5377ba57aea356a81c521c0cf1975dc290b61 (diff)
i965: Add assertion for another requirement about types.
This catches a failure in the FS backend.
-rw-r--r--src/mesa/drivers/dri/i965/brw_eu_emit.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c
index d715b5f838..d067bccb3e 100644
--- a/src/mesa/drivers/dri/i965/brw_eu_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c
@@ -103,6 +103,8 @@ static void brw_set_dest( struct brw_instruction *insn,
guess_execution_size(insn, dest);
}
+extern int reg_type_size[];
+
static void
validate_reg(struct brw_instruction *insn, struct brw_reg reg)
{
@@ -112,8 +114,18 @@ validate_reg(struct brw_instruction *insn, struct brw_reg reg)
int execsize_for_reg[] = {1, 2, 4, 8, 16};
int width, hstride, vstride, execsize;
- if (reg.file == BRW_IMMEDIATE_VALUE)
+ if (reg.file == BRW_IMMEDIATE_VALUE) {
+ /* 3.3.6: Region Parameters. Restriction: Immediate vectors
+ * mean the destination has to be 128-bit aligned and the
+ * destination horiz stride has to be a word.
+ */
+ if (reg.type == BRW_REGISTER_TYPE_V) {
+ assert(hstride_for_reg[insn->bits1.da1.dest_horiz_stride] *
+ reg_type_size[insn->bits1.da1.dest_reg_type] == 2);
+ }
+
return;
+ }
if (reg.file == BRW_ARCHITECTURE_REGISTER_FILE &&
reg.file == BRW_ARF_NULL)