diff options
Diffstat (limited to 'src/gallium/drivers/cell/ppu/cell_batch.c')
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_batch.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_batch.c b/src/gallium/drivers/cell/ppu/cell_batch.c index 5d007d4c8ce..a32a8c5633a 100644 --- a/src/gallium/drivers/cell/ppu/cell_batch.c +++ b/src/gallium/drivers/cell/ppu/cell_batch.c @@ -32,6 +32,13 @@ +/** + * Search the buffer pool for an empty/free buffer and return its index. + * Buffers are used for storing vertex data, state and commands which + * will be sent to the SPUs. + * If no empty buffers are available, wait for one. + * \return buffer index in [0, CELL_NUM_BUFFERS-1] + */ uint cell_get_empty_buffer(struct cell_context *cell) { @@ -74,6 +81,11 @@ cell_get_empty_buffer(struct cell_context *cell) } +/** + * Flush the current batch buffer to the SPUs. + * An empty buffer will be found and set as the new current batch buffer + * for subsequent commands/data. + */ void cell_batch_flush(struct cell_context *cell) { @@ -120,6 +132,9 @@ cell_batch_flush(struct cell_context *cell) } +/** + * Return the number of bytes free in the current batch buffer. + */ uint cell_batch_free_space(const struct cell_context *cell) { @@ -129,7 +144,7 @@ cell_batch_free_space(const struct cell_context *cell) /** - * Append data to current batch. + * Append data to the current batch buffer. * \param data address of block of bytes to append * \param bytes size of block of bytes */ |