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r300: fragprog tex instruction now take writemask into acount.

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This commit is contained in:
Jerome Glisse 2007-10-07 22:49:56 +02:00
parent d85e8b088b
commit 32699696e3
1 changed files with 5 additions and 1 deletions
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6
src/mesa/drivers/dri/r300/r300_fragprog.c
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@ -951,6 +951,10 @@ static void emit_tex(struct r300_fragment_program *fp,
if (REG_GET_TYPE(dest) == REG_TYPE_OUTPUT) {
rdest = dest;
dest = get_temp_reg_tex(fp);
} else if (fpi->DstReg.WriteMask != WRITEMASK_XYZW) {
/* in case write mask isn't XYZW */
rdest = dest;
dest = get_temp_reg_tex(fp);
}
hwdest =
t_hw_dst(fp, dest, GL_TRUE,
@ -1016,7 +1020,7 @@ static void emit_tex(struct r300_fragment_program *fp,
/* Copy from temp to output if needed */
if (REG_GET_VALID(rdest)) {
emit_arith(fp, PFS_OP_MAD, rdest, WRITEMASK_XYZW, dest,
emit_arith(fp, PFS_OP_MAD, rdest, fpi->DstReg.WriteMask, dest,
pfs_one, pfs_zero, 0);
free_temp(fp, dest);
}