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cell: minor improvements to batch buffer functions

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This commit is contained in:
Brian Paul 2008-10-20 15:44:22 -06:00
parent 6cec79dc4f
commit abfc32a68c
1 changed files with 7 additions and 4 deletions
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11
src/gallium/drivers/cell/ppu/cell_batch.c
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@ -42,7 +42,9 @@
uint
cell_get_empty_buffer(struct cell_context *cell)
{
uint buf = 0, tries = 0;
static uint prev_buffer = 0;
uint buf = (prev_buffer + 1) % CELL_NUM_BUFFERS;
uint tries = 0;
/* Find a buffer that's marked as free by all SPUs */
while (1) {
@ -58,8 +60,9 @@ cell_get_empty_buffer(struct cell_context *cell)
cell->buffer_status[spu][buf][0] = CELL_BUFFER_STATUS_USED;
}
/*
printf("PPU: ALLOC BUFFER %u\n", buf);
printf("PPU: ALLOC BUFFER %u, %u tries\n", buf, tries);
*/
prev_buffer = buf;
return buf;
}
}
@ -169,7 +172,7 @@ cell_batch_append(struct cell_context *cell, const void *data, uint bytes)
size = cell->buffer_size[cell->cur_batch];
if (size + bytes > CELL_BUFFER_SIZE) {
if (bytes > cell_batch_free_space(cell)) {
cell_batch_flush(cell);
size = 0;
}
@ -223,7 +226,7 @@ cell_batch_alloc_aligned(struct cell_context *cell, uint bytes,
padbytes = (alignment - (size % alignment)) % alignment;
if (padbytes + size + bytes > CELL_BUFFER_SIZE) {
if (padbytes + bytes > cell_batch_free_space(cell)) {
cell_batch_flush(cell);
size = 0;
}