diff options
Diffstat (limited to 'src/gallium/drivers/i965/brw_winsys.h')
-rw-r--r-- | src/gallium/drivers/i965/brw_winsys.h | 56 |
1 files changed, 37 insertions, 19 deletions
diff --git a/src/gallium/drivers/i965/brw_winsys.h b/src/gallium/drivers/i965/brw_winsys.h index d941fbc..f61c541 100644 --- a/src/gallium/drivers/i965/brw_winsys.h +++ b/src/gallium/drivers/i965/brw_winsys.h @@ -28,6 +28,7 @@ #include "pipe/p_compiler.h" #include "pipe/p_error.h" +#include "pipe/p_refcnt.h" struct brw_winsys; struct pipe_fence_handle; @@ -36,10 +37,13 @@ struct pipe_fence_handle; */ #define BRW_BATCH_SIZE (32*1024) +struct brw_winsys_screen; /* Need a tiny bit of information inside the abstract buffer struct: */ struct brw_winsys_buffer { + struct pipe_reference reference; + struct brw_winsys_screen *sws; unsigned *offset; unsigned size; }; @@ -105,6 +109,10 @@ enum brw_buffer_data_type { BRW_DATA_MAX }; + + + + struct brw_winsys_screen { @@ -116,33 +124,33 @@ struct brw_winsys_screen { /** * Create a buffer. */ - struct brw_winsys_buffer *(*bo_alloc)( struct brw_winsys_screen *sws, - enum brw_buffer_type type, - unsigned size, - unsigned alignment ); + enum pipe_error (*bo_alloc)( struct brw_winsys_screen *sws, + enum brw_buffer_type type, + unsigned size, + unsigned alignment, + struct brw_winsys_buffer **bo_out ); - /* Reference and unreference buffers: + /* Destroy a buffer when our refcount goes to zero: */ - void (*bo_reference)( struct brw_winsys_buffer *buffer ); - void (*bo_unreference)( struct brw_winsys_buffer *buffer ); + void (*bo_destroy)( struct brw_winsys_buffer *buffer ); /* delta -- added to b2->offset, and written into buffer * offset -- location above value is written to within buffer */ - int (*bo_emit_reloc)( struct brw_winsys_buffer *buffer, - enum brw_buffer_usage usage, - unsigned delta, - unsigned offset, - struct brw_winsys_buffer *b2); + enum pipe_error (*bo_emit_reloc)( struct brw_winsys_buffer *buffer, + enum brw_buffer_usage usage, + unsigned delta, + unsigned offset, + struct brw_winsys_buffer *b2); - int (*bo_exec)( struct brw_winsys_buffer *buffer, - unsigned bytes_used ); + enum pipe_error (*bo_exec)( struct brw_winsys_buffer *buffer, + unsigned bytes_used ); - int (*bo_subdata)(struct brw_winsys_buffer *buffer, - enum brw_buffer_data_type data_type, - size_t offset, - size_t size, - const void *data); + enum pipe_error (*bo_subdata)(struct brw_winsys_buffer *buffer, + enum brw_buffer_data_type data_type, + size_t offset, + size_t size, + const void *data); boolean (*bo_is_busy)(struct brw_winsys_buffer *buffer); boolean (*bo_references)(struct brw_winsys_buffer *a, @@ -175,6 +183,16 @@ struct brw_winsys_screen { }; +static INLINE void +bo_reference(struct brw_winsys_buffer **ptr, struct brw_winsys_buffer *buf) +{ + struct brw_winsys_buffer *old_buf = *ptr; + + if (pipe_reference((struct pipe_reference **)ptr, &buf->reference)) + old_buf->sws->bo_destroy(old_buf); +} + + /** * Create brw pipe_screen. */ |