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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
#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_context to start things. */
#include "pipe/p_defines.h"
#include "pipe/p_state.h"
struct radeon_cs;
struct r300_winsys {
/* PCI ID */
uint32_t pci_id;
/* GB pipe count */
uint32_t gb_pipes;
/* CS object. This is very much like Intel's batchbuffer.
* Fill it full of dwords and relocs and then submit.
* Repeat as needed. */
/* Note: Unlike Mesa's version of this, we don't keep a copy of the CSM
* that was used to create this CS. Is this a good idea? */
/* Note: The pipe driver doesn't know how to use this. This is purely
* for the winsys. */
struct radeon_cs* cs;
/* Check to see if there's room for commands. */
boolean (*check_cs)(struct radeon_cs* cs, int size);
/* Start a command emit. */
void (*begin_cs)(struct radeon_cs* cs,
int size,
const char* file,
const char* function,
int line);
/* Write a dword to the command buffer. */
void (*write_cs_dword)(struct radeon_cs* cs, uint32_t dword);
/* Write a relocated dword to the command buffer. */
void (*write_cs_reloc)(struct radeon_cs* cs,
struct pipe_buffer* bo,
uint32_t rd,
uint32_t wd,
uint32_t flags);
/* Finish a command emit. */
void (*end_cs)(struct radeon_cs* cs,
const char* file,
const char* function,
int line);
/* Flush the CS. */
void (*flush_cs)(struct radeon_cs* cs);
};
struct pipe_context* r300_create_context(struct pipe_screen* screen,
struct pipe_winsys* winsys,
struct r300_winsys* r300_winsys);
#ifdef __cplusplus
}
#endif
#endif /* R300_WINSYS_H */
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