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r300g: fix draw_elements for "start" != 0 

Reported-by: Andre Maasikas <amaasikas@gmail.com>
This commit is contained in:
Marek Olšák 2010-02-22 13:51:38 +01:00
parent b330928549
commit 902ccfcb40
1 changed files with 2 additions and 7 deletions
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9
src/gallium/drivers/r300/r300_render.c
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@ -258,11 +258,6 @@ static void r300_emit_draw_elements(struct r300_context *r300,
assert((start * indexSize) % 4 == 0);
/* XXX Non-zero offset locks up. */
if (offset_dwords != 0) {
return;
}
if (alt_num_verts) {
assert(count < (1 << 24));
BEGIN_CS(16);
@ -276,13 +271,13 @@ static void r300_emit_draw_elements(struct r300_context *r300,
OUT_CS_REG(R300_VAP_VF_MAX_VTX_INDX, maxIndex);
OUT_CS_PKT3(R300_PACKET3_3D_DRAW_INDX_2, 0);
if (indexSize == 4) {
count_dwords = count + start;
count_dwords = count;
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
R300_VAP_VF_CNTL__INDEX_SIZE_32bit |
r300_translate_primitive(mode) |
(alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0));
} else {
count_dwords = (count + start + 1) / 2;
count_dwords = (count + 1) / 2;
OUT_CS(R300_VAP_VF_CNTL__PRIM_WALK_INDICES | (count << 16) |
r300_translate_primitive(mode) |
(alt_num_verts ? R500_VAP_VF_CNTL__USE_ALT_NUM_VERTS : 0));