diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_winsys.h')
| -rw-r--r-- | src/gallium/drivers/r300/r300_winsys.h | 146 |
1 files changed, 137 insertions, 9 deletions
diff --git a/src/gallium/drivers/r300/r300_winsys.h b/src/gallium/drivers/r300/r300_winsys.h index ddf2b790039..e5183a8239c 100644 --- a/src/gallium/drivers/r300/r300_winsys.h +++ b/src/gallium/drivers/r300/r300_winsys.h @@ -23,10 +23,6 @@ #ifndef R300_WINSYS_H #define R300_WINSYS_H -#ifdef __cplusplus -extern "C" { -#endif - /* The public interface header for the r300 pipe driver. * Any winsys hosting this pipe needs to implement r300_winsys and then * call r300_create_screen to start things. */ @@ -34,14 +30,146 @@ extern "C" { #include "pipe/p_defines.h" #include "pipe/p_state.h" -struct radeon_winsys; +struct r300_winsys_screen; /* Creates a new r300 screen. */ -struct pipe_screen* r300_create_screen(struct radeon_winsys* radeon_winsys); +struct pipe_screen* r300_create_screen(struct r300_winsys_screen *rws); + +struct r300_winsys_buffer; + + +boolean r300_get_texture_buffer(struct pipe_screen* screen, + struct pipe_texture* texture, + struct r300_winsys_buffer** buffer, + unsigned *stride); + +enum r300_value_id { + R300_VID_PCI_ID, + R300_VID_GB_PIPES, + R300_VID_Z_PIPES, +}; + +#define R300_USAGE_FLAG_DONT_SYNC (1 << 17) + +struct r300_winsys_screen { + void (*destroy)(struct r300_winsys_screen *ws); + + /** + * Buffer management. Buffer attributes are mostly fixed over its lifetime. + * + * Remember that gallium gets to choose the interface it needs, and the + * window systems must then implement that interface (rather than the + * other way around...). + * + * usage is a bitmask of R300_WINSYS_BUFFER_USAGE_PIXEL/VERTEX/INDEX/CONSTANT. This + * usage argument is only an optimization hint, not a guarantee, therefore + * proper behavior must be observed in all circumstances. + * + * alignment indicates the client's alignment requirements, eg for + * SSE instructions. + */ + struct r300_winsys_buffer *(*buffer_create)(struct r300_winsys_screen *ws, + unsigned alignment, + unsigned usage, + unsigned size); + + /** + * Map the entire data store of a buffer object into the client's address. + * flags is bitmask of R300_WINSYS_BUFFER_USAGE_CPU_READ/WRITE flags. + */ + void *(*buffer_map)( struct r300_winsys_screen *ws, + struct r300_winsys_buffer *buf, + unsigned usage); + + void (*buffer_unmap)( struct r300_winsys_screen *ws, + struct r300_winsys_buffer *buf ); + + void (*buffer_destroy)( struct r300_winsys_buffer *buf ); + + + void (*buffer_reference)(struct r300_winsys_screen *rws, + struct r300_winsys_buffer **pdst, + struct r300_winsys_buffer *src); + + boolean (*buffer_references)(struct r300_winsys_buffer *a, + struct r300_winsys_buffer *b); + + void (*buffer_flush_range)(struct r300_winsys_screen *rws, + struct r300_winsys_buffer *buf, + unsigned offset, + unsigned length); + + /* Add a pipe_buffer to the list of buffer objects to validate. */ + boolean (*add_buffer)(struct r300_winsys_screen *winsys, + struct r300_winsys_buffer *buf, + uint32_t rd, + uint32_t wd); + + + /* Revalidate all currently setup pipe_buffers. + * Returns TRUE if a flush is required. */ + boolean (*validate)(struct r300_winsys_screen* winsys); + + /* Check to see if there's room for commands. */ + boolean (*check_cs)(struct r300_winsys_screen* winsys, int size); + + /* Start a command emit. */ + void (*begin_cs)(struct r300_winsys_screen* winsys, + int size, + const char* file, + const char* function, + int line); + + /* Write a dword to the command buffer. */ + void (*write_cs_dword)(struct r300_winsys_screen* winsys, uint32_t dword); + + /* Write a relocated dword to the command buffer. */ + void (*write_cs_reloc)(struct r300_winsys_screen *winsys, + struct r300_winsys_buffer *buf, + uint32_t rd, + uint32_t wd, + uint32_t flags); + + /* Finish a command emit. */ + void (*end_cs)(struct r300_winsys_screen* winsys, + const char* file, + const char* function, + int line); + + /* Flush the CS. */ + void (*flush_cs)(struct r300_winsys_screen* winsys); + + /* winsys flush - callback from winsys when flush required */ + void (*set_flush_cb)(struct r300_winsys_screen *winsys, + void (*flush_cb)(void *), void *data); + + void (*reset_bos)(struct r300_winsys_screen *winsys); + + void (*buffer_set_tiling)(struct r300_winsys_screen *winsys, + struct r300_winsys_buffer *buffer, + uint32_t pitch, + boolean microtiled, + boolean macrotiled); + + uint32_t (*get_value)(struct r300_winsys_screen *winsys, + enum r300_value_id vid); + + struct r300_winsys_buffer *(*buffer_from_handle)(struct r300_winsys_screen *winsys, + struct pipe_screen *screen, + struct winsys_handle *whandle, + unsigned *stride); + boolean (*buffer_get_handle)(struct r300_winsys_screen *winsys, + struct r300_winsys_buffer *buffer, + unsigned stride, + struct winsys_handle *whandle); + + boolean (*is_buffer_referenced)(struct r300_winsys_screen *winsys, + struct r300_winsys_buffer *buffer); + +}; -#ifdef __cplusplus -} -#endif +struct r300_winsys_screen * +r300_winsys_screen(struct pipe_screen *screen); #endif /* R300_WINSYS_H */ |