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i965: enable additional code in emit_fb_write()

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Not 100% sure this is right, but the invalid assertion is fixed...
This commit is contained in:
Brian Paul
2009-05-12 14:08:52 -06:00
parent 5590798f6d
commit 10c4a10b97
1 changed files with 10 additions and 11 deletions
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src/mesa/drivers/dri/i965/brw_wm_glsl.c
+10 -11
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@@ -814,27 +814,26 @@ static void emit_fb_write(struct brw_wm_compile *c,
}
if (c->key.dest_depth_reg) {
GLuint comp = c->key.dest_depth_reg / 2;
GLuint off = c->key.dest_depth_reg % 2;
const GLuint comp = c->key.dest_depth_reg / 2;
const GLuint off = c->key.dest_depth_reg % 2;
assert(comp == 1);
assert(off == 0);
#if 0
/* XXX do we need this code? comp always 1, off always 0, it seems */
if (off != 0) {
/* XXX this code needs review/testing */
struct brw_reg arg1_0 = get_src_reg(c, inst, 1, comp);
struct brw_reg arg1_1 = get_src_reg(c, inst, 1, comp+1);
brw_push_insn_state(p);
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
brw_MOV(p, brw_message_reg(nr), offset(arg1[comp],1));
brw_MOV(p, brw_message_reg(nr), offset(arg1_0, 1));
/* 2nd half? */
brw_MOV(p, brw_message_reg(nr+1), arg1[comp+1]);
brw_MOV(p, brw_message_reg(nr+1), arg1_1);
brw_pop_insn_state(p);
}
else
#endif
{
struct brw_reg src = get_src_reg(c, inst, 1, 1);
brw_MOV(p, brw_message_reg(nr), src);
struct brw_reg src = get_src_reg(c, inst, 1, 1);
brw_MOV(p, brw_message_reg(nr), src);
}
nr += 2;
}