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/*
* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
*
* 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_screen;
/* Creates a new r300 screen. */
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,
R300_VID_SQUARE_TILING_SUPPORT
};
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,
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);
};
struct r300_winsys_screen *
r300_winsys_screen(struct pipe_screen *screen);
#endif /* R300_WINSYS_H */
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