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authorBrian Paul <brian.paul@tungstengraphics.com>2008-10-20 15:44:22 -0600
committerBrian Paul <brian.paul@tungstengraphics.com>2008-10-20 15:44:22 -0600
commitabfc32a68cbf95a7951b1b9fc18a9af7c524b69e (patch)
tree60ee6ff07104a7e992fddbffce50cf08ac567860 /src
parent6cec79dc4fc8f6ebde3e4c90ac56fa8022f2d4aa (diff)
cell: minor improvements to batch buffer functions
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/cell/ppu/cell_batch.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_batch.c b/src/gallium/drivers/cell/ppu/cell_batch.c
index 16882c0129..01254aed60 100644
--- a/src/gallium/drivers/cell/ppu/cell_batch.c
+++ b/src/gallium/drivers/cell/ppu/cell_batch.c
@@ -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;
}