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-rw-r--r--src/mesa/drivers/dri/i965/brw_wm_glsl.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
index 2b2df7329c0..23caf59435f 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
@@ -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;
}