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/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* 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 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 TUNGSTEN GRAPHICS AND/OR ITS 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 MAIN_H
#define MAIN_H
#include <libmisc.h>
#include <spu_mfcio.h>
#include "pipe/cell/common.h"
#define MAX_WIDTH 1024
#define MAX_HEIGHT 1024
extern volatile struct cell_init_info init;
struct framebuffer {
void *color_start; /**< addr of color surface in main memory */
void *depth_start; /**< addr of depth surface in main memory */
enum pipe_format color_format;
enum pipe_format depth_format;
uint width, height; /**< size in pixels */
uint width_tiles, height_tiles; /**< width and height in tiles */
uint color_clear_value;
uint depth_clear_value;
};
/* XXX Collect these globals in a struct: */
extern struct framebuffer fb;
extern uint ctile[TILE_SIZE][TILE_SIZE] ALIGN16_ATTRIB;
extern ushort ztile[TILE_SIZE][TILE_SIZE] ALIGN16_ATTRIB;
/* DMA TAGS */
#define TAG_SURFACE_CLEAR 10
#define TAG_VERTEX_BUFFER 11
#define TAG_READ_TILE_COLOR 12
#define TAG_READ_TILE_Z 13
#define TAG_WRITE_TILE_COLOR 14
#define TAG_WRITE_TILE_Z 15
#define TILE_STATUS_CLEAR 1
#define TILE_STATUS_DEFINED 2 /**< defined pixel data */
#define TILE_STATUS_DIRTY 3 /**< modified, but not put back yet */
extern ubyte tile_status[MAX_HEIGHT/TILE_SIZE][MAX_WIDTH/TILE_SIZE] ALIGN16_ATTRIB;
extern ubyte tile_status_z[MAX_HEIGHT/TILE_SIZE][MAX_WIDTH/TILE_SIZE] ALIGN16_ATTRIB;
void
wait_on_mask(unsigned tag);
void
get_tile(const struct framebuffer *fb, uint tx, uint ty, uint *tile,
int tag, int zBuf);
void
put_tile(const struct framebuffer *fb, uint tx, uint ty, const uint *tile,
int tag, int zBuf);
void
clear_tile(uint tile[TILE_SIZE][TILE_SIZE], uint value);
void
clear_tile_z(ushort tile[TILE_SIZE][TILE_SIZE], uint value);
#endif /* MAIN_H */
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