diff options
| author | Brian <[email protected]> | 2008-01-19 12:04:06 -0700 |
|---|---|---|
| committer | Brian <[email protected]> | 2008-01-19 12:04:06 -0700 |
| commit | a1f4a5e802ad62c88fca6834b9de1c83672230a6 (patch) | |
| tree | 79f89f370a4d2b8197f313fe4ea7d081e386a916 /src/mesa/pipe/cell/common.h | |
| parent | 06b019d16bc20d772a8aed2a68d1c5d37a402a81 (diff) | |
Cell: improve "finished copying batch buffer" signalling.
When the SPU is done copying a batch buffer to local store, use an mfc_put()
to write a "done" message back to the buffer status array in main memory.
We were previously using a mailbox message for synchronization.
Diffstat (limited to 'src/mesa/pipe/cell/common.h')
| -rw-r--r-- | src/mesa/pipe/cell/common.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/mesa/pipe/cell/common.h b/src/mesa/pipe/cell/common.h index 29d1cbeddad..f05070d25a1 100644 --- a/src/mesa/pipe/cell/common.h +++ b/src/mesa/pipe/cell/common.h @@ -62,10 +62,12 @@ #define CELL_CMD_STATE_DEPTH_STENCIL 7 -#define CELL_NUM_BATCH_BUFFERS 2 +#define CELL_NUM_BATCH_BUFFERS 3 #define CELL_BATCH_BUFFER_SIZE 1024 /**< 16KB would be the max */ -#define CELL_BATCH_FINISHED 0x1234 /**< mbox message */ +#define CELL_BUFFER_STATUS_FREE 10 +#define CELL_BUFFER_STATUS_USED 20 + /** @@ -122,6 +124,7 @@ struct cell_init_info unsigned num_spus; struct cell_command *cmd; ubyte *batch_buffers[CELL_NUM_BATCH_BUFFERS]; + uint *buffer_status; /**< points at cell_context->buffer_status */ } ALIGN16_ATTRIB; |