- BEGIN_BATCH(6);
- OUT_BATCH(CMD_3D_PRIM << 16 | (6 - 2) |
- hw_prim << GEN4_3DPRIM_TOPOLOGY_TYPE_SHIFT |
- vertex_access_type);
- OUT_BATCH(verts_per_instance);
- OUT_BATCH(start_vertex_location);
- OUT_BATCH(1); // instance count
- OUT_BATCH(0); // start instance location
- OUT_BATCH(base_vertex_location);
- ADVANCE_BATCH();
-
- if (intel->always_flush_cache) {
- intel_batchbuffer_emit_mi_flush(intel);
+ /* If indirect, emit a bunch of loads from the indirect BO. */
+ if (prim->is_indirect) {
+ struct gl_buffer_object *indirect_buffer = brw->ctx.DrawIndirectBuffer;
+ drm_intel_bo *bo = intel_bufferobj_buffer(brw,
+ intel_buffer_object(indirect_buffer),
+ prim->indirect_offset, 5 * sizeof(GLuint));
+
+ indirect_flag = GEN7_3DPRIM_INDIRECT_PARAMETER_ENABLE;
+
+ brw_load_register_mem(brw, GEN7_3DPRIM_VERTEX_COUNT, bo,
+ I915_GEM_DOMAIN_VERTEX, 0,
+ prim->indirect_offset + 0);
+ brw_load_register_mem(brw, GEN7_3DPRIM_INSTANCE_COUNT, bo,
+ I915_GEM_DOMAIN_VERTEX, 0,
+ prim->indirect_offset + 4);
+
+ brw_load_register_mem(brw, GEN7_3DPRIM_START_VERTEX, bo,
+ I915_GEM_DOMAIN_VERTEX, 0,
+ prim->indirect_offset + 8);
+ if (prim->indexed) {
+ brw_load_register_mem(brw, GEN7_3DPRIM_BASE_VERTEX, bo,
+ I915_GEM_DOMAIN_VERTEX, 0,
+ prim->indirect_offset + 12);
+ brw_load_register_mem(brw, GEN7_3DPRIM_START_INSTANCE, bo,
+ I915_GEM_DOMAIN_VERTEX, 0,
+ prim->indirect_offset + 16);
+ } else {
+ brw_load_register_mem(brw, GEN7_3DPRIM_START_INSTANCE, bo,
+ I915_GEM_DOMAIN_VERTEX, 0,
+ prim->indirect_offset + 12);
+ BEGIN_BATCH(3);
+ OUT_BATCH(MI_LOAD_REGISTER_IMM | (3 - 2));
+ OUT_BATCH(GEN7_3DPRIM_BASE_VERTEX);
+ OUT_BATCH(0);
+ ADVANCE_BATCH();
+ }