- int cmd_reserved = 0;
- int cmd_written = 0;
- drm_radeon_cmd_header_t *cmd = NULL;
- unsigned long t_addr;
- unsigned long magic_1, magic_2;
-
- assert(elt_size == 2 || elt_size == 4);
-
- if (addr & (elt_size - 1)) {
- WARN_ONCE("Badly aligned buffer\n");
- return;
- }
-
- magic_1 = (addr % 32) / 4;
- t_addr = addr & ~0x1d;
- magic_2 = (vertex_count + 1 + (t_addr & 0x2)) / 2 + magic_1;
-
- start_packet3(RADEON_CP_PACKET3_3D_DRAW_INDX_2, 0);
- if (elt_size == 4) {
- e32(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (vertex_count << 16) | type | R300_VAP_VF_CNTL__INDEX_SIZE_32bit);
- } else {
- e32(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (vertex_count << 16) | type);
- }
-
- start_packet3(RADEON_CP_PACKET3_INDX_BUFFER, 2);
-#ifdef OPTIMIZE_ELTS
- if (elt_size == 4) {
- e32(R300_EB_UNK1 | (0 << 16) | R300_EB_UNK2);
- e32(addr);
- } else {
- e32(R300_EB_UNK1 | (magic_1 << 16) | R300_EB_UNK2);
- e32(t_addr);
- }
-#else
- e32(R300_EB_UNK1 | (0 << 16) | R300_EB_UNK2);
- e32(addr);
-#endif
-
- if (elt_size == 4) {
- e32(vertex_count);
- } else {
-#ifdef OPTIMIZE_ELTS
- e32(magic_2);
-#else
- e32((vertex_count + 1) / 2);
-#endif
- }
+ BATCH_LOCALS(rmesa);
+
+ if (vertex_count > 0) {
+ BEGIN_BATCH(8);
+ OUT_BATCH_PACKET3(R300_PACKET3_3D_DRAW_INDX_2, 0);
+ OUT_BATCH(R300_VAP_VF_CNTL__PRIM_WALK_INDICES |
+ ((vertex_count + 0) << 16) |
+ type |
+ R300_VAP_VF_CNTL__INDEX_SIZE_32bit);
+
+ if (!rmesa->radeon.radeonScreen->driScreen->dri2.enabled) {
+ OUT_BATCH_PACKET3(R300_PACKET3_INDX_BUFFER, 2);
+ OUT_BATCH(R300_EB_UNK1 | (0 << 16) | R300_EB_UNK2);
+ OUT_BATCH_RELOC(rmesa->state.elt_dma_offset,
+ rmesa->state.elt_dma_bo,
+ rmesa->state.elt_dma_offset,
+ RADEON_GEM_DOMAIN_GTT, 0, 0);
+ OUT_BATCH(vertex_count);
+ } else {
+ OUT_BATCH_PACKET3(R300_PACKET3_INDX_BUFFER, 2);
+ OUT_BATCH(R300_EB_UNK1 | (0 << 16) | R300_EB_UNK2);
+ OUT_BATCH(rmesa->state.elt_dma_offset);
+ OUT_BATCH(vertex_count);
+ radeon_cs_write_reloc(rmesa->cmdbuf.cs,
+ rmesa->state.elt_dma_bo,
+ 0,
+ rmesa->state.elt_dma_bo->size,
+ RADEON_GEM_DOMAIN_GTT, 0, 0);
+ }
+ END_BATCH();
+ }