diff options
| -rw-r--r-- | src/gallium/drivers/r300/r300_render.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/src/gallium/drivers/r300/r300_render.c b/src/gallium/drivers/r300/r300_render.c index e28af7600a1..b4351d541d7 100644 --- a/src/gallium/drivers/r300/r300_render.c +++ b/src/gallium/drivers/r300/r300_render.c @@ -94,41 +94,43 @@ static void r300_emit_draw_elements(struct r300_context *r300, unsigned start, unsigned count) { + uint32_t count_dwords; + uint32_t offset_dwords = indexSize * start / sizeof(uint32_t); CS_LOCALS(r300); + + /* XXX most of these are stupid */ assert(indexSize == 4 || indexSize == 2); assert(count < 65536); assert((start * indexSize) % 4 == 0); - - uint32_t size_dwords; - uint32_t skip_dwords = indexSize * start / sizeof(uint32_t); - assert(skip_dwords == 0); + assert(offset_dwords == 0); BEGIN_CS(10); OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, maxIndex); OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0); if (indexSize == 4) { - size_dwords = count + start; + count_dwords = count + start; OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | R300_VAP_VF_CNTL__INDEX_SIZE_32bit | r300_translate_primitive(mode)); } else { - size_dwords = (count + start + 1) / 2; + count_dwords = (count + start + 1) / 2; OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) | r300_translate_primitive(mode)); } + /* INDX_BUFFER is a truly special packet3. + * Unlike most other packet3, where the offset is after the count, + * the order is reversed, so the relocation ends up carrying the + * size of the indexbuf instead of the offset. + * + * XXX Fix offset + */ OUT_CS_PKT3(R300_PACKET3_INDX_BUFFER, 2); OUT_CS(R300_INDX_BUFFER_ONE_REG_WR | (R300_VAP_PORT_IDX0 >> 2) | (0 << R300_INDX_BUFFER_SKIP_SHIFT)); - OUT_CS(skip_dwords); - OUT_CS(size_dwords); - /* XXX hax */ - cs_winsys->write_cs_reloc(cs_winsys, - indexBuffer, - RADEON_GEM_DOMAIN_GTT, - 0, - 0); - cs_count -= 2; + OUT_CS(offset_dwords); + OUT_CS_RELOC(indexBuffer, count_dwords, + RADEON_GEM_DOMAIN_GTT, 0, 0); END_CS; } |