/* * Copyright 2008 Corbin Simpson * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * on the rights to use, copy, modify, merge, publish, distribute, sub * license, and/or sell copies of the Software, and to permit persons to whom * the Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef R300_WINSYS_H #define R300_WINSYS_H /* 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. */ #include "pipe/p_defines.h" #include "pipe/p_state.h" #include "r300_defines.h" struct r300_winsys_buffer; enum r300_value_id { R300_VID_PCI_ID, R300_VID_GB_PIPES, R300_VID_Z_PIPES, R300_VID_SQUARE_TILING_SUPPORT, R300_VID_DRM_2_3_0, }; enum r300_reference_domain { /* bitfield */ R300_REF_CS = 1, R300_REF_HW = 2 }; struct r300_cs_info { /* In DWORDs. */ unsigned used; unsigned free; unsigned capacity; }; 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, enum r300_buffer_domain domain, 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); void (*buffer_wait)(struct r300_winsys_screen *rws, struct r300_winsys_buffer *buf); /* Add a pipe_resource to the list of buffer objects to validate. */ boolean (*add_buffer)(struct r300_winsys_screen *winsys, struct r300_winsys_buffer *buf, enum r300_buffer_domain rd, enum r300_buffer_domain wd); /* Revalidate all currently setup pipe_buffers. * Returns TRUE if a flush is required. */ boolean (*validate)(struct r300_winsys_screen* winsys); /* Return current CS info. */ void (*get_cs_info)(struct r300_winsys_screen *winsys, struct r300_cs_info *info); /* 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 table of dwords to the command buffer. */ void (*write_cs_table)(struct r300_winsys_screen* winsys, const void *dwords, unsigned count); /* Write a relocated dword to the command buffer. */ void (*write_cs_reloc)(struct r300_winsys_screen *winsys, struct r300_winsys_buffer *buf, enum r300_buffer_domain rd, enum r300_buffer_domain 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_get_tiling)(struct r300_winsys_screen *winsys, struct r300_winsys_buffer *buffer, enum r300_buffer_tiling *microtiled, enum r300_buffer_tiling *macrotiled); void (*buffer_set_tiling)(struct r300_winsys_screen *winsys, struct r300_winsys_buffer *buffer, uint32_t pitch, enum r300_buffer_tiling microtiled, enum r300_buffer_tiling 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, enum r300_reference_domain domain); }; struct r300_winsys_screen * r300_winsys_screen(struct pipe_screen *screen); #endif /* R300_WINSYS_H */