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i965: Emit a real 3DSTATE_HS on Gen7.

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Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Kenneth Graunke
2015-11-25 17:12:17 -08:00
parent 74b83fe368
commit 2c240b05e9
1 changed files with 47 additions and 11 deletions
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58
src/mesa/drivers/dri/i965/gen7_hs_state.c
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@@ -60,22 +60,58 @@ const struct brw_tracked_state gen7_tcs_push_constants = {
static void
gen7_upload_hs_state(struct brw_context *brw)
{
/* Disable the HS Unit */
BEGIN_BATCH(7);
OUT_BATCH(_3DSTATE_HS << 16 | (7 - 2));
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
ADVANCE_BATCH();
const struct brw_stage_state *stage_state = &brw->tcs.base;
/* BRW_NEW_TESS_PROGRAMS */
bool active = brw->tess_eval_program;
/* BRW_NEW_TCS_PROG_DATA */
const struct brw_vue_prog_data *prog_data = &brw->tcs.prog_data->base;
if (active) {
BEGIN_BATCH(7);
OUT_BATCH(_3DSTATE_HS << 16 | (7 - 2));
OUT_BATCH(SET_FIELD(DIV_ROUND_UP(stage_state->sampler_count, 4),
GEN7_HS_SAMPLER_COUNT) |
SET_FIELD(prog_data->base.binding_table.size_bytes / 4,
GEN7_HS_BINDING_TABLE_ENTRY_COUNT) |
(brw->max_hs_threads - 1));
OUT_BATCH(GEN7_HS_ENABLE |
GEN7_HS_STATISTICS_ENABLE |
SET_FIELD(brw->tcs.prog_data->instances - 1,
GEN7_HS_INSTANCE_COUNT));
OUT_BATCH(stage_state->prog_offset);
if (prog_data->base.total_scratch) {
OUT_RELOC(stage_state->scratch_bo,
I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
ffs(prog_data->base.total_scratch) - 11);
} else {
OUT_BATCH(0);
}
OUT_BATCH(GEN7_HS_INCLUDE_VERTEX_HANDLES |
SET_FIELD(prog_data->base.dispatch_grf_start_reg,
GEN7_HS_DISPATCH_START_GRF));
/* Ignore URB semaphores */
OUT_BATCH(0);
ADVANCE_BATCH();
} else {
BEGIN_BATCH(7);
OUT_BATCH(_3DSTATE_HS << 16 | (7 - 2));
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
ADVANCE_BATCH();
}
brw->tcs.enabled = active;
}
const struct brw_tracked_state gen7_hs_state = {
.dirty = {
.mesa = 0,
.brw = BRW_NEW_CONTEXT,
.brw = BRW_NEW_BATCH |
BRW_NEW_TCS_PROG_DATA |
BRW_NEW_TESS_PROGRAMS,
},
.emit = gen7_upload_hs_state,
};