+#if GEN_GEN == 11
+static void
+iris_upload_slice_hashing_state(struct iris_batch *batch)
+{
+ const struct gen_device_info *devinfo = &batch->screen->devinfo;
+ int subslices_delta =
+ devinfo->ppipe_subslices[0] - devinfo->ppipe_subslices[1];
+ if (subslices_delta == 0)
+ return;
+
+ struct iris_context *ice = NULL;
+ ice = container_of(batch, ice, batches[IRIS_BATCH_RENDER]);
+ assert(&ice->batches[IRIS_BATCH_RENDER] == batch);
+
+ unsigned size = GENX(SLICE_HASH_TABLE_length) * 4;
+ uint32_t hash_address;
+ struct pipe_resource *tmp = NULL;
+ uint32_t *map =
+ stream_state(batch, ice->state.dynamic_uploader, &tmp,
+ size, 64, &hash_address);
+ pipe_resource_reference(&tmp, NULL);
+
+ struct GENX(SLICE_HASH_TABLE) table0 = {
+ .Entry = {
+ { 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1 },
+ { 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1 },
+ { 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0 },
+ { 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1 },
+ { 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1 },
+ { 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0 },
+ { 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1 },
+ { 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1 },
+ { 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0 },
+ { 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1 },
+ { 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1 },
+ { 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0 },
+ { 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1 },
+ { 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1 },
+ { 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0 },
+ { 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1 }
+ }
+ };
+
+ struct GENX(SLICE_HASH_TABLE) table1 = {
+ .Entry = {
+ { 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0 },
+ { 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0 },
+ { 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1 },
+ { 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0 },
+ { 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0 },
+ { 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1 },
+ { 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0 },
+ { 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0 },
+ { 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1 },
+ { 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0 },
+ { 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0 },
+ { 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1 },
+ { 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0 },
+ { 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0 },
+ { 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1 },
+ { 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0 }
+ }
+ };
+
+ const struct GENX(SLICE_HASH_TABLE) *table =
+ subslices_delta < 0 ? &table0 : &table1;
+ GENX(SLICE_HASH_TABLE_pack)(NULL, map, table);
+
+ iris_emit_cmd(batch, GENX(3DSTATE_SLICE_TABLE_STATE_POINTERS), ptr) {
+ ptr.SliceHashStatePointerValid = true;
+ ptr.SliceHashTableStatePointer = hash_address;
+ }
+
+ iris_emit_cmd(batch, GENX(3DSTATE_3D_MODE), mode) {
+ mode.SliceHashingTableEnable = true;
+ }
+}
+#endif
+
+static void
+iris_alloc_push_constants(struct iris_batch *batch)
+{
+ /* For now, we set a static partitioning of the push constant area,
+ * assuming that all stages could be in use.
+ *
+ * TODO: Try lazily allocating the HS/DS/GS sections as needed, and
+ * see if that improves performance by offering more space to
+ * the VS/FS when those aren't in use. Also, try dynamically
+ * enabling/disabling it like i965 does. This would be more
+ * stalls and may not actually help; we don't know yet.
+ */
+ for (int i = 0; i <= MESA_SHADER_FRAGMENT; i++) {
+ iris_emit_cmd(batch, GENX(3DSTATE_PUSH_CONSTANT_ALLOC_VS), alloc) {
+ alloc._3DCommandSubOpcode = 18 + i;
+ alloc.ConstantBufferOffset = 6 * i;
+ alloc.ConstantBufferSize = i == MESA_SHADER_FRAGMENT ? 8 : 6;
+ }
+ }
+}
+