nkeynes@31 | 1 | /**
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nkeynes@561 | 2 | * $Id$
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nkeynes@31 | 3 | *
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nkeynes@103 | 4 | * PVR2 (video chip) functions and macros.
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nkeynes@31 | 5 | *
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nkeynes@31 | 6 | * Copyright (c) 2005 Nathan Keynes.
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nkeynes@31 | 7 | *
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nkeynes@31 | 8 | * This program is free software; you can redistribute it and/or modify
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nkeynes@31 | 9 | * it under the terms of the GNU General Public License as published by
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nkeynes@31 | 10 | * the Free Software Foundation; either version 2 of the License, or
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nkeynes@31 | 11 | * (at your option) any later version.
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nkeynes@31 | 12 | *
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nkeynes@31 | 13 | * This program is distributed in the hope that it will be useful,
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nkeynes@31 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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nkeynes@31 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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nkeynes@31 | 16 | * GNU General Public License for more details.
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nkeynes@31 | 17 | */
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nkeynes@31 | 18 |
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nkeynes@653 | 19 | #ifndef lxdream_pvr2_H
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nkeynes@653 | 20 | #define lxdream_pvr2_H 1
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nkeynes@653 | 21 |
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nkeynes@653 | 22 | #include <stdio.h>
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nkeynes@653 | 23 | #include "lxdream.h"
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nkeynes@144 | 24 | #include "display.h"
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nkeynes@1 | 25 |
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nkeynes@736 | 26 | #ifdef __cplusplus
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nkeynes@736 | 27 | extern "C" {
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nkeynes@736 | 28 | #endif
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nkeynes@736 | 29 |
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nkeynes@189 | 30 | typedef unsigned int pvraddr_t;
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nkeynes@189 | 31 | typedef unsigned int pvr64addr_t;
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nkeynes@1 | 32 |
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nkeynes@335 | 33 | #define DISPMODE_ENABLE 0x00000001 /* Display enable */
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nkeynes@335 | 34 | #define DISPMODE_LINEDOUBLE 0x00000002 /* scanline double */
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nkeynes@335 | 35 | #define DISPMODE_COLFMT 0x0000000C /* Colour mode */
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nkeynes@335 | 36 | #define DISPMODE_CLOCKDIV 0x08000000 /* Clock divide-by-2 */
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nkeynes@1 | 37 |
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nkeynes@1 | 38 | #define DISPSIZE_MODULO 0x3FF00000 /* line skip +1 (32-bit words)*/
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nkeynes@1 | 39 | #define DISPSIZE_LPF 0x000FFC00 /* lines per field */
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nkeynes@1 | 40 | #define DISPSIZE_PPL 0x000003FF /* pixel words (32 bit) per line */
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nkeynes@1 | 41 |
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nkeynes@103 | 42 | #define DISPCFG_VP 0x00000001 /* V-sync polarity */
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nkeynes@103 | 43 | #define DISPCFG_HP 0x00000002 /* H-sync polarity */
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nkeynes@103 | 44 | #define DISPCFG_I 0x00000010 /* Interlace enable */
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nkeynes@103 | 45 | #define DISPCFG_BS 0x000000C0 /* Broadcast standard */
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nkeynes@103 | 46 | #define DISPCFG_VO 0x00000100 /* Video output enable */
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nkeynes@1 | 47 |
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nkeynes@432 | 48 | #define DISPSYNC_LINE_MASK 0x000003FF
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nkeynes@432 | 49 | #define DISPSYNC_EVEN_FIELD 0x00000000
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nkeynes@432 | 50 | #define DISPSYNC_ODD_FIELD 0x00000400
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nkeynes@432 | 51 | #define DISPSYNC_ACTIVE 0x00000800
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nkeynes@432 | 52 | #define DISPSYNC_HSYNC 0x00001000
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nkeynes@432 | 53 | #define DISPSYNC_VSYNC 0x00002000
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nkeynes@432 | 54 |
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nkeynes@1 | 55 | #define BS_NTSC 0x00000000
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nkeynes@1 | 56 | #define BS_PAL 0x00000040
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nkeynes@1 | 57 | #define BS_PALM 0x00000080 /* ? */
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nkeynes@1 | 58 | #define BS_PALN 0x000000C0 /* ? */
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nkeynes@1 | 59 |
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nkeynes@827 | 60 | #define SCALER_HSCALE 0x00010000
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nkeynes@827 | 61 |
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nkeynes@103 | 62 | #define PVR2_RAM_BASE 0x05000000
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nkeynes@103 | 63 | #define PVR2_RAM_BASE_INT 0x04000000
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nkeynes@103 | 64 | #define PVR2_RAM_SIZE (8 * 1024 * 1024)
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nkeynes@103 | 65 | #define PVR2_RAM_PAGES (PVR2_RAM_SIZE>>12)
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nkeynes@189 | 66 | #define PVR2_RAM_MASK 0x7FFFFF
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nkeynes@103 | 67 |
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nkeynes@222 | 68 | #define RENDER_ZONLY 0
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nkeynes@222 | 69 | #define RENDER_NORMAL 1 /* Render non-modified polygons */
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nkeynes@222 | 70 | #define RENDER_CHEAPMOD 2 /* Render cheap-modified polygons */
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nkeynes@222 | 71 | #define RENDER_FULLMOD 3 /* Render the fully-modified version of the polygons */
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nkeynes@222 | 72 |
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nkeynes@1076 | 73 | /**
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nkeynes@1076 | 74 | * Advance to the next frame
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nkeynes@1076 | 75 | */
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nkeynes@1 | 76 | void pvr2_next_frame( void );
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nkeynes@1076 | 77 |
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nkeynes@1076 | 78 | /**
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nkeynes@1076 | 79 | * Draw the current frame on the output window.
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nkeynes@1076 | 80 | */
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nkeynes@1076 | 81 | void pvr2_draw_frame();
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nkeynes@19 | 82 | void pvr2_set_base_address( uint32_t );
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nkeynes@133 | 83 | int pvr2_get_frame_count( void );
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nkeynes@295 | 84 | gboolean pvr2_save_next_scene( const gchar *filename );
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nkeynes@56 | 85 |
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nkeynes@103 | 86 | #define PVR2_CMD_END_OF_LIST 0x00
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nkeynes@103 | 87 | #define PVR2_CMD_USER_CLIP 0x20
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nkeynes@103 | 88 | #define PVR2_CMD_POLY_OPAQUE 0x80
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nkeynes@103 | 89 | #define PVR2_CMD_MOD_OPAQUE 0x81
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nkeynes@103 | 90 | #define PVR2_CMD_POLY_TRANS 0x82
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nkeynes@103 | 91 | #define PVR2_CMD_MOD_TRANS 0x83
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nkeynes@103 | 92 | #define PVR2_CMD_POLY_PUNCHOUT 0x84
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nkeynes@103 | 93 | #define PVR2_CMD_VERTEX 0xE0
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nkeynes@103 | 94 | #define PVR2_CMD_VERTEX_LAST 0xF0
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nkeynes@103 | 95 |
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nkeynes@864 | 96 | #define PVR2_VOLUME_NORMAL 0x00000000
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nkeynes@864 | 97 | #define PVR2_VOLUME_REGION1 0x20000000
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nkeynes@864 | 98 | #define PVR2_VOLUME_REGION0 0x40000000
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nkeynes@864 | 99 |
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nkeynes@103 | 100 | #define PVR2_POLY_TEXTURED 0x00000008
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nkeynes@103 | 101 | #define PVR2_POLY_SPECULAR 0x00000004
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nkeynes@103 | 102 | #define PVR2_POLY_SHADED 0x00000002
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nkeynes@103 | 103 | #define PVR2_POLY_UV_16BIT 0x00000001
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nkeynes@103 | 104 |
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nkeynes@133 | 105 | #define PVR2_POLY_MODE_CLAMP_RGB 0x00200000
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nkeynes@133 | 106 | #define PVR2_POLY_MODE_ALPHA 0x00100000
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nkeynes@133 | 107 | #define PVR2_POLY_MODE_TEXALPHA 0x00080000
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nkeynes@133 | 108 | #define PVR2_POLY_MODE_FLIP_S 0x00040000
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nkeynes@133 | 109 | #define PVR2_POLY_MODE_FLIP_T 0x00020000
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nkeynes@133 | 110 | #define PVR2_POLY_MODE_CLAMP_S 0x00010000
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nkeynes@133 | 111 | #define PVR2_POLY_MODE_CLAMP_T 0x00008000
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nkeynes@133 | 112 |
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nkeynes@337 | 113 | #define PVR2_POLY_FOG_LOOKUP 0x00000000
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nkeynes@337 | 114 | #define PVR2_POLY_FOG_VERTEX 0x00400000
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nkeynes@337 | 115 | #define PVR2_POLY_FOG_DISABLED 0x00800000
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nkeynes@337 | 116 | #define PVR2_POLY_FOG_LOOKUP2 0x00C00000
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nkeynes@337 | 117 |
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nkeynes@337 | 118 |
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nkeynes@103 | 119 | #define PVR2_TEX_FORMAT_ARGB1555 0x00000000
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nkeynes@103 | 120 | #define PVR2_TEX_FORMAT_RGB565 0x08000000
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nkeynes@103 | 121 | #define PVR2_TEX_FORMAT_ARGB4444 0x10000000
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nkeynes@103 | 122 | #define PVR2_TEX_FORMAT_YUV422 0x18000000
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nkeynes@103 | 123 | #define PVR2_TEX_FORMAT_BUMPMAP 0x20000000
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nkeynes@103 | 124 | #define PVR2_TEX_FORMAT_IDX4 0x28000000
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nkeynes@103 | 125 | #define PVR2_TEX_FORMAT_IDX8 0x30000000
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nkeynes@103 | 126 |
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nkeynes@103 | 127 | #define PVR2_TEX_MIPMAP 0x80000000
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nkeynes@103 | 128 | #define PVR2_TEX_COMPRESSED 0x40000000
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nkeynes@103 | 129 | #define PVR2_TEX_FORMAT_MASK 0x38000000
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nkeynes@103 | 130 | #define PVR2_TEX_UNTWIDDLED 0x04000000
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nkeynes@284 | 131 | #define PVR2_TEX_STRIDE 0x02000000
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nkeynes@337 | 132 | #define PVR2_TEX_IS_PALETTE(mode) ( (mode & PVR2_TEX_FORMAT_MASK) == PVR2_TEX_FORMAT_IDX4 || (mode&PVR2_TEX_FORMAT_MASK) == PVR2_TEX_FORMAT_IDX8 )
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nkeynes@337 | 133 |
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nkeynes@103 | 134 |
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nkeynes@108 | 135 | #define PVR2_TEX_ADDR(x) ( ((x)&0x01FFFFF)<<3 );
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nkeynes@348 | 136 | #define PVR2_TEX_IS_MIPMAPPED(x) ( ((x) & 0x84000000) == 0x80000000 )
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nkeynes@103 | 137 | #define PVR2_TEX_IS_COMPRESSED(x) ( (x) & PVR2_TEX_COMPRESSED )
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nkeynes@103 | 138 | #define PVR2_TEX_IS_TWIDDLED(x) (((x) & PVR2_TEX_UNTWIDDLED) == 0)
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nkeynes@284 | 139 | #define PVR2_TEX_IS_STRIDE(x) (((x) & 0x06000000) == 0x06000000)
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nkeynes@103 | 140 |
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nkeynes@103 | 141 | /****************************** Frame Buffer *****************************/
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nkeynes@103 | 142 |
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nkeynes@934 | 143 | extern unsigned char pvr2_main_ram[];
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nkeynes@934 | 144 |
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nkeynes@103 | 145 | /**
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nkeynes@827 | 146 | * Write a block of data to an address in the DMA range (0x10000000 -
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nkeynes@325 | 147 | * 0x13FFFFFF), ie TA, YUV, or texture ram.
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nkeynes@325 | 148 | */
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nkeynes@429 | 149 | void pvr2_dma_write( sh4addr_t dest, unsigned char *src, uint32_t length );
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nkeynes@325 | 150 |
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nkeynes@325 | 151 | /**
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nkeynes@1294 | 152 | * Write to the linear memory address space (aka 32-bit address space).
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nkeynes@1294 | 153 | */
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nkeynes@1294 | 154 | void pvr2_vram32_write( sh4addr_t dest, unsigned char *src, uint32_t length );
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nkeynes@1294 | 155 |
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nkeynes@1294 | 156 | /**
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nkeynes@103 | 157 | * Write to the interleaved memory address space (aka 64-bit address space).
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nkeynes@103 | 158 | */
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nkeynes@429 | 159 | void pvr2_vram64_write( sh4addr_t dest, unsigned char *src, uint32_t length );
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nkeynes@103 | 160 |
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nkeynes@103 | 161 | /**
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nkeynes@282 | 162 | * Write to the interleaved memory address space (aka 64-bit address space),
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nkeynes@282 | 163 | * using a line length and stride.
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nkeynes@282 | 164 | */
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nkeynes@429 | 165 | void pvr2_vram64_write_stride( sh4addr_t dest, unsigned char *src, uint32_t line_bytes,
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nkeynes@736 | 166 | uint32_t line_stride_bytes, uint32_t line_count );
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nkeynes@282 | 167 |
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nkeynes@282 | 168 | /**
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nkeynes@103 | 169 | * Read from the interleaved memory address space (aka 64-bit address space)
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nkeynes@103 | 170 | */
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nkeynes@429 | 171 | void pvr2_vram64_read( unsigned char *dest, sh4addr_t src, uint32_t length );
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nkeynes@103 | 172 |
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nkeynes@127 | 173 | /**
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nkeynes@310 | 174 | * Read a twiddled image from interleaved memory address space (aka 64-bit address
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nkeynes@827 | 175 | * space), writing the image to the destination buffer in detwiddled format.
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nkeynes@310 | 176 | * Width and height must be powers of 2
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nkeynes@315 | 177 | * This version reads 4-bit pixels.
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nkeynes@315 | 178 | */
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nkeynes@429 | 179 | void pvr2_vram64_read_twiddled_4( unsigned char *dest, sh4addr_t src, uint32_t width, uint32_t height );
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nkeynes@315 | 180 |
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nkeynes@315 | 181 |
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nkeynes@315 | 182 | /**
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nkeynes@315 | 183 | * Read a twiddled image from interleaved memory address space (aka 64-bit address
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nkeynes@827 | 184 | * space), writing the image to the destination buffer in detwiddled format.
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nkeynes@315 | 185 | * Width and height must be powers of 2
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nkeynes@310 | 186 | * This version reads 8-bit pixels.
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nkeynes@310 | 187 | */
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nkeynes@429 | 188 | void pvr2_vram64_read_twiddled_8( unsigned char *dest, sh4addr_t src, uint32_t width, uint32_t height );
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nkeynes@310 | 189 |
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nkeynes@310 | 190 | /**
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nkeynes@310 | 191 | * Read a twiddled image from interleaved memory address space (aka 64-bit address
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nkeynes@827 | 192 | * space), writing the image to the destination buffer in detwiddled format.
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nkeynes@310 | 193 | * Width and height must be powers of 2, and src must be 16-bit aligned.
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nkeynes@310 | 194 | * This version reads 16-bit pixels.
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nkeynes@310 | 195 | */
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nkeynes@429 | 196 | void pvr2_vram64_read_twiddled_16( unsigned char *dest, sh4addr_t src, uint32_t width, uint32_t height );
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nkeynes@310 | 197 |
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nkeynes@310 | 198 | /**
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nkeynes@827 | 199 | * Read an image from the interleaved memory address space (aka 64-bit address space)
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nkeynes@284 | 200 | * where the source and destination line sizes may differ. Note that both byte
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nkeynes@284 | 201 | * counts must be a multiple of 4, and the src address must be 32-bit aligned.
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nkeynes@284 | 202 | */
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nkeynes@429 | 203 | void pvr2_vram64_read_stride( unsigned char *dest, uint32_t dest_line_bytes, sh4addr_t srcaddr,
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nkeynes@736 | 204 | uint32_t src_line_bytes, uint32_t line_count );
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nkeynes@284 | 205 | /**
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nkeynes@827 | 206 | * Dump a portion of vram to a stream from the interleaved memory address
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nkeynes@127 | 207 | * space.
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nkeynes@127 | 208 | */
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nkeynes@127 | 209 | void pvr2_vram64_dump( sh4addr_t addr, uint32_t length, FILE *f );
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nkeynes@127 | 210 |
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nkeynes@315 | 211 | /**
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nkeynes@315 | 212 | * Flush the indicated render buffer back to PVR. Caller is responsible for
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nkeynes@315 | 213 | * tracking whether there is actually anything in the buffer.
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nkeynes@315 | 214 | *
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nkeynes@315 | 215 | * @param buffer A render buffer indicating the address to store to, and the
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nkeynes@315 | 216 | * format the data needs to be in.
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nkeynes@827 | 217 | * @param backBuffer TRUE to flush the back buffer, FALSE for
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nkeynes@315 | 218 | * the front buffer.
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nkeynes@315 | 219 | */
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nkeynes@352 | 220 | void pvr2_render_buffer_copy_to_sh4( render_buffer_t buffer );
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nkeynes@315 | 221 |
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nkeynes@315 | 222 | /**
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nkeynes@315 | 223 | * Invalidate any caching on the supplied SH4 address
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nkeynes@315 | 224 | */
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nkeynes@352 | 225 | gboolean pvr2_render_buffer_invalidate( sh4addr_t addr, gboolean isWrite );
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nkeynes@315 | 226 |
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nkeynes@315 | 227 |
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nkeynes@103 | 228 | /**************************** Tile Accelerator ***************************/
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nkeynes@56 | 229 | /**
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nkeynes@56 | 230 | * Process the data in the supplied buffer as an array of TA command lists.
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nkeynes@56 | 231 | * Any excess bytes are held pending until a complete list is sent
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nkeynes@56 | 232 | */
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nkeynes@429 | 233 | void pvr2_ta_write( unsigned char *buf, uint32_t length );
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nkeynes@100 | 234 |
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nkeynes@931 | 235 | void FASTCALL pvr2_ta_write_burst( sh4addr_t addr, unsigned char *buf );
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nkeynes@931 | 236 |
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nkeynes@753 | 237 | /**
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nkeynes@753 | 238 | * Find the first polygon or sprite context in the supplied buffer of TA
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nkeynes@753 | 239 | * data.
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nkeynes@827 | 240 | * @return A pointer to the context, or NULL if it cannot be found
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nkeynes@753 | 241 | */
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nkeynes@753 | 242 | uint32_t *pvr2_ta_find_polygon_context( uint32_t *buf, uint32_t length );
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nkeynes@100 | 243 |
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nkeynes@103 | 244 | /**
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nkeynes@103 | 245 | * (Re)initialize the tile accelerator in preparation for the next scene.
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nkeynes@103 | 246 | * Normally called immediately before commencing polygon transmission.
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nkeynes@103 | 247 | */
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nkeynes@103 | 248 | void pvr2_ta_init( void );
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nkeynes@103 | 249 |
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nkeynes@429 | 250 | void pvr2_ta_reset( void );
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nkeynes@429 | 251 |
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nkeynes@429 | 252 | void pvr2_ta_save_state( FILE *f );
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nkeynes@429 | 253 |
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nkeynes@429 | 254 | int pvr2_ta_load_state( FILE *f );
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nkeynes@282 | 255 |
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nkeynes@282 | 256 | /****************************** YUV Converter ****************************/
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nkeynes@282 | 257 |
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nkeynes@282 | 258 | /**
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nkeynes@282 | 259 | * Process a block of YUV data.
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nkeynes@282 | 260 | */
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nkeynes@429 | 261 | void pvr2_yuv_write( unsigned char *buf, uint32_t length );
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nkeynes@282 | 262 |
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nkeynes@282 | 263 | /**
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nkeynes@282 | 264 | * Initialize the YUV converter.
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nkeynes@282 | 265 | */
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nkeynes@284 | 266 | void pvr2_yuv_init( uint32_t target_addr );
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nkeynes@284 | 267 |
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nkeynes@284 | 268 | void pvr2_yuv_set_config( uint32_t config );
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nkeynes@282 | 269 |
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nkeynes@429 | 270 | void pvr2_yuv_save_state( FILE *f );
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nkeynes@429 | 271 |
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nkeynes@429 | 272 | int pvr2_yuv_load_state( FILE *f );
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nkeynes@429 | 273 |
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nkeynes@103 | 274 | /********************************* Renderer ******************************/
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nkeynes@103 | 275 |
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nkeynes@103 | 276 | /**
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nkeynes@103 | 277 | * Render the current scene stored in PVR ram to the GL back buffer.
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nkeynes@103 | 278 | */
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nkeynes@669 | 279 | void pvr2_scene_render( render_buffer_t buffer );
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nkeynes@103 | 280 |
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nkeynes@103 | 281 | /**
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nkeynes@669 | 282 | * Perform the initial once-off GL setup, usually immediately after the GL
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nkeynes@669 | 283 | * context is first bound.
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nkeynes@103 | 284 | */
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nkeynes@669 | 285 | void pvr2_setup_gl_context();
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nkeynes@219 | 286 |
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nkeynes@1275 | 287 | void pvr2_shutdown_gl_context();
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nkeynes@1275 | 288 |
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nkeynes@219 | 289 | void render_backplane( uint32_t *polygon, uint32_t width, uint32_t height, uint32_t mode );
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nkeynes@219 | 290 |
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nkeynes@669 | 291 | void render_autosort_tile( pvraddr_t tile_entry, int render_mode );
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nkeynes@669 | 292 |
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nkeynes@1154 | 293 | struct polygon_struct;
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nkeynes@1154 | 294 | void gl_render_triangle( struct polygon_struct *poly, int index );
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nkeynes@219 | 295 |
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nkeynes@1137 | 296 | void gl_render_tilelist( pvraddr_t tile_entry, gboolean set_depth );
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nkeynes@429 | 297 |
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nkeynes@856 | 298 | render_buffer_t pvr2_create_render_buffer( sh4addr_t addr, int width, int height, GLuint tex_id );
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nkeynes@856 | 299 |
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nkeynes@861 | 300 | void pvr2_finish_render_buffer( render_buffer_t buffer );
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nkeynes@861 | 301 |
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nkeynes@856 | 302 | void pvr2_destroy_render_buffer( render_buffer_t buffer );
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nkeynes@856 | 303 |
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nkeynes@1280 | 304 | /**
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nkeynes@1280 | 305 | * Destroy all open render buffers
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nkeynes@1280 | 306 | */
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nkeynes@1280 | 307 | void pvr2_destroy_render_buffers( void );
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nkeynes@1280 | 308 |
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nkeynes@1282 | 309 | /**
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nkeynes@1282 | 310 | * Preserve render buffers in main memory
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nkeynes@1282 | 311 | */
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nkeynes@1282 | 312 | void pvr2_preserve_render_buffers( void );
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nkeynes@1282 | 313 |
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nkeynes@1282 | 314 | /**
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nkeynes@1282 | 315 | * Restore render buffers from a previous call to pvr2_preserve_render_buffers()
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nkeynes@1282 | 316 | */
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nkeynes@1282 | 317 | void pvr2_restore_render_buffers( void );
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nkeynes@856 | 318 |
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nkeynes@319 | 319 | /**
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nkeynes@319 | 320 | * Structure to hold a complete unpacked vertex (excluding modifier
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nkeynes@319 | 321 | * volume parameters - generate separate vertexes in that case).
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nkeynes@319 | 322 | */
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nkeynes@319 | 323 | struct vertex_unpacked {
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nkeynes@319 | 324 | float x,y,z;
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nkeynes@319 | 325 | float u,v; /* Texture coordinates */
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nkeynes@319 | 326 | float rgba[4]; /* Fragment colour (RGBA order) */
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nkeynes@319 | 327 | float offset_rgba[4]; /* Offset color (RGBA order) */
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nkeynes@319 | 328 | };
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nkeynes@319 | 329 |
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nkeynes@103 | 330 | /****************************** Texture Cache ****************************/
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nkeynes@103 | 331 |
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nkeynes@103 | 332 | /**
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nkeynes@108 | 333 | * Initialize the texture cache.
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nkeynes@103 | 334 | */
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nkeynes@103 | 335 | void texcache_init( void );
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nkeynes@103 | 336 |
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nkeynes@108 | 337 | /**
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nkeynes@108 | 338 | * Initialize the GL side of the texture cache (texture ids and such).
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nkeynes@108 | 339 | */
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nkeynes@1256 | 340 | void texcache_gl_init( );
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nkeynes@103 | 341 |
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nkeynes@103 | 342 | /**
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nkeynes@103 | 343 | * Flush all textures and delete. The cache will be non-functional until
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nkeynes@1275 | 344 | * the next call to texcache_gl_init(). This would typically be done if
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nkeynes@103 | 345 | * switching GL targets.
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nkeynes@827 | 346 | */
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nkeynes@1275 | 347 | void texcache_gl_shutdown( void );
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nkeynes@103 | 348 |
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nkeynes@103 | 349 | /**
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nkeynes@432 | 350 | * Flush (ie free) all textures.
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nkeynes@432 | 351 | */
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nkeynes@432 | 352 | void texcache_flush( void );
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nkeynes@432 | 353 |
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nkeynes@432 | 354 | /**
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nkeynes@432 | 355 | * Flush all palette-based textures (if any)
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nkeynes@432 | 356 | */
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nkeynes@432 | 357 | void texcache_invalidate_palette(void);
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nkeynes@432 | 358 |
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nkeynes@432 | 359 | /**
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nkeynes@103 | 360 | * Evict all textures contained in the page identified by a texture address.
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nkeynes@103 | 361 | */
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nkeynes@103 | 362 | void texcache_invalidate_page( uint32_t texture_addr );
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nkeynes@103 | 363 |
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nkeynes@103 | 364 | /**
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nkeynes@886 | 365 | * Set the global texture parameters for the scene (possibly invalidating
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nkeynes@886 | 366 | * some existing textures)
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nkeynes@886 | 367 | */
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nkeynes@1135 | 368 | void texcache_begin_scene( uint32_t palette_mode, uint32_t stride_width );
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nkeynes@886 | 369 |
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nkeynes@886 | 370 | /**
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nkeynes@103 | 371 | * Return a texture ID for the texture specified at the supplied address
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nkeynes@103 | 372 | * and given parameters (the same sequence of bytes could in theory have
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nkeynes@103 | 373 | * multiple interpretations). We use the texture address as the primary
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nkeynes@103 | 374 | * index, but allow for multiple instances at each address. The texture
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nkeynes@103 | 375 | * will be bound to the GL_TEXTURE_2D target before being returned.
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nkeynes@827 | 376 | *
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nkeynes@103 | 377 | * If the texture has already been bound, return the ID to which it was
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nkeynes@103 | 378 | * bound. Otherwise obtain an unused texture ID and set it up appropriately.
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nkeynes@103 | 379 | */
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nkeynes@1135 | 380 | GLuint texcache_get_texture( uint32_t poly2_word, uint32_t texture_word );
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nkeynes@221 | 381 |
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nkeynes@856 | 382 | render_buffer_t texcache_get_render_buffer( uint32_t texture_addr, int mode, int width, int height );
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nkeynes@856 | 383 |
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nkeynes@429 | 384 | void pvr2_check_palette_changed(void);
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nkeynes@429 | 385 |
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nkeynes@432 | 386 | int pvr2_render_save_scene( const gchar *filename );
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nkeynes@432 | 387 |
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nkeynes@850 | 388 | /**
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nkeynes@850 | 389 | * Queue a gun position event to occur at the specified position. Unless
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nkeynes@850 | 390 | * cancelled, when the display reaches the position:
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nkeynes@850 | 391 | * GUNPOS is updated with the position, and
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nkeynes@850 | 392 | * EVENT_MAPLE_DMA is fired.
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nkeynes@850 | 393 | */
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nkeynes@850 | 394 | void pvr2_queue_gun_event( int xpos, int ypos );
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nkeynes@432 | 395 |
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nkeynes@221 | 396 | /************************* Rendering support macros **************************/
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nkeynes@864 | 397 | #define POLY1_VOLUME_MODE(poly1) ((poly1)&0xE0000000)
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nkeynes@221 | 398 | #define POLY1_DEPTH_MODE(poly1) ( pvr2_poly_depthmode[(poly1)>>29] )
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nkeynes@653 | 399 | #define POLY1_DEPTH_WRITE(poly1) (((poly1)&0x04000000) == 0 )
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nkeynes@221 | 400 | #define POLY1_CULL_MODE(poly1) (((poly1)>>27)&0x03)
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nkeynes@653 | 401 | #define POLY1_CULL_ENABLE(poly1) (((poly1)>>28)&0x01)
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nkeynes@221 | 402 | #define POLY1_TEXTURED(poly1) (((poly1)&0x02000000))
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nkeynes@221 | 403 | #define POLY1_SPECULAR(poly1) (((poly1)&0x01000000))
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nkeynes@319 | 404 | #define POLY1_GOURAUD_SHADED(poly1) ((poly1)&0x00800000)
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nkeynes@221 | 405 | #define POLY1_SHADE_MODEL(poly1) (((poly1)&0x00800000) ? GL_SMOOTH : GL_FLAT)
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nkeynes@221 | 406 | #define POLY1_UV16(poly1) (((poly1)&0x00400000))
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nkeynes@221 | 407 | #define POLY1_SINGLE_TILE(poly1) (((poly1)&0x00200000))
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nkeynes@221 | 408 |
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nkeynes@221 | 409 | #define POLY2_SRC_BLEND(poly2) ( pvr2_poly_srcblend[(poly2) >> 29] )
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nkeynes@221 | 410 | #define POLY2_DEST_BLEND(poly2) ( pvr2_poly_dstblend[((poly2)>>26)&0x07] )
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nkeynes@322 | 411 | #define POLY2_SRC_BLEND_TARGET(poly2) ((poly2)&0x02000000)
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nkeynes@322 | 412 | #define POLY2_DEST_BLEND_TARGET(poly2) ((poly2)&0x01000000)
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nkeynes@337 | 413 | #define POLY2_FOG_MODE(poly2) ((poly2)&0x00C00000)
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nkeynes@221 | 414 | #define POLY2_COLOUR_CLAMP_ENABLE(poly2) ((poly2)&0x00200000)
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nkeynes@322 | 415 | #define POLY2_ALPHA_ENABLE(poly2) ((poly2)&0x00100000)
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nkeynes@322 | 416 | #define POLY2_TEX_ALPHA_ENABLE(poly2) (((poly2)&0x00080000) == 0 )
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nkeynes@655 | 417 | #define POLY2_TEX_MIRROR_U(poly2) ((poly2)&0x00040000)
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nkeynes@655 | 418 | #define POLY2_TEX_MIRROR_V(poly2) ((poly2)&0x00020000)
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nkeynes@322 | 419 | #define POLY2_TEX_CLAMP_U(poly2) ((poly2)&0x00010000)
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nkeynes@322 | 420 | #define POLY2_TEX_CLAMP_V(poly2) ((poly2)&0x00008000)
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nkeynes@221 | 421 | #define POLY2_TEX_WIDTH(poly2) ( 1<< ((((poly2) >> 3) & 0x07 ) + 3) )
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nkeynes@221 | 422 | #define POLY2_TEX_HEIGHT(poly2) ( 1<< (((poly2) & 0x07 ) + 3) )
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nkeynes@338 | 423 | #define POLY2_TEX_BLEND(poly2) (((poly2) >> 6)&0x03)
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nkeynes@221 | 424 | extern int pvr2_poly_depthmode[8];
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nkeynes@221 | 425 | extern int pvr2_poly_srcblend[8];
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nkeynes@221 | 426 | extern int pvr2_poly_dstblend[8];
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nkeynes@221 | 427 | extern int pvr2_render_colour_format[8];
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nkeynes@221 | 428 |
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nkeynes@653 | 429 | #define CULL_NONE 0
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nkeynes@653 | 430 | #define CULL_SMALL 1
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nkeynes@653 | 431 | #define CULL_CCW 2
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nkeynes@653 | 432 | #define CULL_CW 3
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nkeynes@653 | 433 |
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nkeynes@653 | 434 | #define SEGMENT_END 0x80000000
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nkeynes@653 | 435 | #define SEGMENT_ZCLEAR 0x40000000
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nkeynes@653 | 436 | #define SEGMENT_SORT_TRANS 0x20000000
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nkeynes@653 | 437 | #define SEGMENT_START 0x10000000
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nkeynes@653 | 438 | #define SEGMENT_X(c) (((c) >> 2) & 0x3F)
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nkeynes@653 | 439 | #define SEGMENT_Y(c) (((c) >> 8) & 0x3F)
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nkeynes@653 | 440 | #define NO_POINTER 0x80000000
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nkeynes@653 | 441 | #define IS_TILE_PTR(p) ( ((p)&NO_POINTER) == 0 )
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nkeynes@653 | 442 | #define IS_LAST_SEGMENT(s) (((s)->control) & SEGMENT_END)
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nkeynes@653 | 443 |
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nkeynes@653 | 444 | struct tile_segment {
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nkeynes@653 | 445 | uint32_t control;
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nkeynes@653 | 446 | pvraddr_t opaque_ptr;
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nkeynes@653 | 447 | pvraddr_t opaquemod_ptr;
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nkeynes@653 | 448 | pvraddr_t trans_ptr;
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nkeynes@653 | 449 | pvraddr_t transmod_ptr;
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nkeynes@653 | 450 | pvraddr_t punchout_ptr;
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nkeynes@653 | 451 | };
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nkeynes@653 | 452 |
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nkeynes@1145 | 453 |
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nkeynes@1145 | 454 | struct tile_bounds {
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nkeynes@1145 | 455 | int32_t x1, y1, x2, y2;
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nkeynes@1145 | 456 | };
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nkeynes@1145 | 457 |
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nkeynes@736 | 458 | #ifdef __cplusplus
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nkeynes@736 | 459 | }
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nkeynes@736 | 460 | #endif
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nkeynes@736 | 461 |
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nkeynes@653 | 462 | #endif /* !lxdream_pvr2_H */
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