static void
upload_gs_state(struct brw_context *brw)
{
- struct intel_context *intel = &brw->intel;
-
/* Disable all the constant buffers. */
BEGIN_BATCH(5);
OUT_BATCH(_3DSTATE_CONSTANT_GS << 16 | (5 - 2));
OUT_BATCH(0);
ADVANCE_BATCH();
- // GS should never be used on Gen6. Disable it.
- assert(!brw->gs.prog_active);
- BEGIN_BATCH(7);
- OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2));
- OUT_BATCH(0); /* prog_bo */
- OUT_BATCH((0 << GEN6_GS_SAMPLER_COUNT_SHIFT) |
- (0 << GEN6_GS_BINDING_TABLE_ENTRY_COUNT_SHIFT));
- OUT_BATCH(0); /* scratch space base offset */
- OUT_BATCH((1 << GEN6_GS_DISPATCH_START_GRF_SHIFT) |
- (0 << GEN6_GS_URB_READ_LENGTH_SHIFT) |
- (0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT));
- OUT_BATCH((0 << GEN6_GS_MAX_THREADS_SHIFT) |
- GEN6_GS_STATISTICS_ENABLE |
- GEN6_GS_RENDERING_ENABLE);
- OUT_BATCH(0);
- ADVANCE_BATCH();
+ if (brw->gs.prog_active) {
+ BEGIN_BATCH(7);
+ OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2));
+ OUT_BATCH(brw->gs.prog_offset);
+ OUT_BATCH(GEN6_GS_SPF_MODE | GEN6_GS_VECTOR_MASK_ENABLE);
+ OUT_BATCH(0); /* no scratch space */
+ OUT_BATCH((2 << GEN6_GS_DISPATCH_START_GRF_SHIFT) |
+ (brw->gs.prog_data->urb_read_length << GEN6_GS_URB_READ_LENGTH_SHIFT));
+ OUT_BATCH(((brw->max_gs_threads - 1) << GEN6_GS_MAX_THREADS_SHIFT) |
+ GEN6_GS_STATISTICS_ENABLE |
+ GEN6_GS_SO_STATISTICS_ENABLE |
+ GEN6_GS_RENDERING_ENABLE);
+ OUT_BATCH(GEN6_GS_SVBI_PAYLOAD_ENABLE |
+ GEN6_GS_SVBI_POSTINCREMENT_ENABLE |
+ (brw->gs.prog_data->svbi_postincrement_value <<
+ GEN6_GS_SVBI_POSTINCREMENT_VALUE_SHIFT) |
+ GEN6_GS_ENABLE);
+ ADVANCE_BATCH();
+ } else {
+ BEGIN_BATCH(7);
+ OUT_BATCH(_3DSTATE_GS << 16 | (7 - 2));
+ OUT_BATCH(0); /* prog_bo */
+ OUT_BATCH((0 << GEN6_GS_SAMPLER_COUNT_SHIFT) |
+ (0 << GEN6_GS_BINDING_TABLE_ENTRY_COUNT_SHIFT));
+ OUT_BATCH(0); /* scratch space base offset */
+ OUT_BATCH((1 << GEN6_GS_DISPATCH_START_GRF_SHIFT) |
+ (0 << GEN6_GS_URB_READ_LENGTH_SHIFT) |
+ (0 << GEN6_GS_URB_ENTRY_READ_OFFSET_SHIFT));
+ OUT_BATCH((0 << GEN6_GS_MAX_THREADS_SHIFT) |
+ GEN6_GS_STATISTICS_ENABLE |
+ GEN6_GS_RENDERING_ENABLE);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ }
}
const struct brw_tracked_state gen6_gs_state = {
.dirty = {
.mesa = _NEW_TRANSFORM,
- .brw = (BRW_NEW_URB_FENCE |
- BRW_NEW_CONTEXT),
+ .brw = BRW_NEW_CONTEXT,
.cache = CACHE_NEW_GS_PROG
},
.emit = upload_gs_state,