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r300g: fix draw_vbo splitting on r3xx-r4xx

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NOTE: This is a candidate for the 7.10 branch.
This commit is contained in:
Marek Olšák 2011-06-09 00:50:29 +02:00
parent f48412c39f
commit 578d4539ba
1 changed files with 10 additions and 5 deletions
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15
src/gallium/drivers/r300/r300_render.c
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@ -673,10 +673,11 @@ static void r300_draw_elements(struct r300_context *r300,
indices3);
} else {
do {
if (indexSize == 2 && (start & 1))
short_count = MIN2(count, 65535);
else
short_count = MIN2(count, 65534);
/* The maximum must be divisible by 4 and 3,
* so that quad and triangle lists are split correctly.
*
* Strips, loops, and fans won't work. */
short_count = MIN2(count, 65532);
r300_emit_draw_elements(r300, indexBuffer, indexSize,
info->min_index, info->max_index,
@ -722,7 +723,11 @@ static void r300_draw_arrays(struct r300_context *r300,
r300_emit_draw_arrays(r300, info->mode, count);
} else {
do {
short_count = MIN2(count, 65535);
/* The maximum must be divisible by 4 and 3,
* so that quad and triangle lists are split correctly.
*
* Strips, loops, and fans won't work. */
short_count = MIN2(count, 65532);
r300_emit_draw_arrays(r300, info->mode, short_count);
start += short_count;