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i965: Add Gen7+ tessellation engine state (3DSTATE_TE).

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Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Kenneth Graunke 2015-11-11 23:15:23 -08:00
parent 37b0b11cef
commit b3c32f5f34
1 changed files with 28 additions and 8 deletions
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36
src/mesa/drivers/dri/i965/gen7_te_state.c
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@ -29,19 +29,39 @@
static void
upload_te_state(struct brw_context *brw)
{
/* Disable the TE */
BEGIN_BATCH(4);
OUT_BATCH(_3DSTATE_TE << 16 | (4 - 2));
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
ADVANCE_BATCH();
/* BRW_NEW_TESS_EVAL_PROGRAM */
bool active = brw->tess_eval_program;
if (active)
assert(brw->tess_ctrl_program);
const struct brw_tes_prog_data *tes_prog_data = brw->tes.prog_data;
if (active) {
BEGIN_BATCH(4);
OUT_BATCH(_3DSTATE_TE << 16 | (4 - 2));
OUT_BATCH((tes_prog_data->partitioning << GEN7_TE_PARTITIONING_SHIFT) |
(tes_prog_data->output_topology << GEN7_TE_OUTPUT_TOPOLOGY_SHIFT) |
(tes_prog_data->domain << GEN7_TE_DOMAIN_SHIFT) |
GEN7_TE_ENABLE);
OUT_BATCH_F(63.0);
OUT_BATCH_F(64.0);
ADVANCE_BATCH();
} else {
BEGIN_BATCH(4);
OUT_BATCH(_3DSTATE_TE << 16 | (4 - 2));
OUT_BATCH(0);
OUT_BATCH_F(0);
OUT_BATCH_F(0);
ADVANCE_BATCH();
}
}
const struct brw_tracked_state gen7_te_state = {
.dirty = {
.mesa = 0,
.brw = BRW_NEW_CONTEXT,
.brw = BRW_NEW_CONTEXT |
BRW_NEW_TES_PROG_DATA |
BRW_NEW_TESS_EVAL_PROGRAM,
},
.emit = upload_te_state,
};