diff options
Diffstat (limited to 'src/mesa/pipe/cell/ppu/cell_batch.c')
-rw-r--r-- | src/mesa/pipe/cell/ppu/cell_batch.c | 84 |
1 files changed, 49 insertions, 35 deletions
diff --git a/src/mesa/pipe/cell/ppu/cell_batch.c b/src/mesa/pipe/cell/ppu/cell_batch.c index c894ef8608..178caa74e1 100644 --- a/src/mesa/pipe/cell/ppu/cell_batch.c +++ b/src/mesa/pipe/cell/ppu/cell_batch.c @@ -31,12 +31,46 @@ #include "cell_spu.h" + +uint +cell_get_empty_buffer(struct cell_context *cell) +{ + uint buf = 0; + + /* Find a buffer that's marked as free by all SPUs */ + while (1) { + uint spu, num_free = 0; + + for (spu = 0; spu < cell->num_spus; spu++) { + if (cell->buffer_status[spu][buf][0] == CELL_BUFFER_STATUS_FREE) { + num_free++; + + if (num_free == cell->num_spus) { + /* found a free buffer, now mark status as used */ + for (spu = 0; spu < cell->num_spus; spu++) { + cell->buffer_status[spu][buf][0] = CELL_BUFFER_STATUS_USED; + } + return buf; + } + } + else { + break; + } + } + + /* try next buf */ + buf = (buf + 1) % CELL_NUM_BUFFERS; + } +} + + + void cell_batch_flush(struct cell_context *cell) { static boolean flushing = FALSE; uint batch = cell->cur_batch; - const uint size = cell->batch_buffer_size[batch]; + const uint size = cell->buffer_size[batch]; uint spu, cmd_word; assert(!flushing); @@ -46,7 +80,7 @@ cell_batch_flush(struct cell_context *cell) flushing = TRUE; - assert(batch < CELL_NUM_BATCH_BUFFERS); + assert(batch < CELL_NUM_BUFFERS); /* printf("cell_batch_dispatch: buf %u at %p, size %u\n", @@ -68,28 +102,9 @@ cell_batch_flush(struct cell_context *cell) * array indicating that the PPU can re-use the buffer. */ + batch = cell_get_empty_buffer(cell); - /* Find a buffer that's marked as free by all SPUs */ - while (1) { - uint num_free = 0; - - batch = (batch + 1) % CELL_NUM_BATCH_BUFFERS; - - for (spu = 0; spu < cell->num_spus; spu++) { - if (cell->buffer_status[spu][batch][0] == CELL_BUFFER_STATUS_FREE) - num_free++; - } - - if (num_free == cell->num_spus) { - /* found a free buffer, now mark status as used */ - for (spu = 0; spu < cell->num_spus; spu++) { - cell->buffer_status[spu][batch][0] = CELL_BUFFER_STATUS_USED; - } - break; - } - } - - cell->batch_buffer_size[batch] = 0; /* empty */ + cell->buffer_size[batch] = 0; /* empty */ cell->cur_batch = batch; flushing = FALSE; @@ -99,8 +114,7 @@ cell_batch_flush(struct cell_context *cell) uint cell_batch_free_space(const struct cell_context *cell) { - uint free = CELL_BATCH_BUFFER_SIZE - - cell->batch_buffer_size[cell->cur_batch]; + uint free = CELL_BUFFER_SIZE - cell->buffer_size[cell->cur_batch]; return free; } @@ -117,18 +131,18 @@ cell_batch_append(struct cell_context *cell, const void *cmd, uint length) assert(length % 4 == 0); assert(cell->cur_batch >= 0); - size = cell->batch_buffer_size[cell->cur_batch]; + size = cell->buffer_size[cell->cur_batch]; - if (size + length > CELL_BATCH_BUFFER_SIZE) { + if (size + length > CELL_BUFFER_SIZE) { cell_batch_flush(cell); size = 0; } - assert(size + length <= CELL_BATCH_BUFFER_SIZE); + assert(size + length <= CELL_BUFFER_SIZE); - memcpy(cell->batch_buffer[cell->cur_batch] + size, cmd, length); + memcpy(cell->buffer[cell->cur_batch] + size, cmd, length); - cell->batch_buffer_size[cell->cur_batch] = size + length; + cell->buffer_size[cell->cur_batch] = size + length; } @@ -142,18 +156,18 @@ cell_batch_alloc(struct cell_context *cell, uint bytes) assert(cell->cur_batch >= 0); - size = cell->batch_buffer_size[cell->cur_batch]; + size = cell->buffer_size[cell->cur_batch]; - if (size + bytes > CELL_BATCH_BUFFER_SIZE) { + if (size + bytes > CELL_BUFFER_SIZE) { cell_batch_flush(cell); size = 0; } - assert(size + bytes <= CELL_BATCH_BUFFER_SIZE); + assert(size + bytes <= CELL_BUFFER_SIZE); - pos = (void *) (cell->batch_buffer[cell->cur_batch] + size); + pos = (void *) (cell->buffer[cell->cur_batch] + size); - cell->batch_buffer_size[cell->cur_batch] = size + bytes; + cell->buffer_size[cell->cur_batch] = size + bytes; return pos; } |