2 * $Id: pvr2.h,v 1.13 2006-05-15 08:28:52 nkeynes Exp $
4 * PVR2 (video chip) functions and macros.
6 * Copyright (c) 2005 Nathan Keynes.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
22 #include "pvr2/pvr2mmio.h"
26 #define DISPMODE_DE 0x00000001 /* Display enable */
27 #define DISPMODE_SD 0x00000002 /* Scan double */
28 #define DISPMODE_COL 0x0000000C /* Colour mode */
29 #define DISPMODE_CD 0x08000000 /* Clock double */
31 #define COLFMT_RGB15 0x00000000
32 #define COLFMT_RGB16 0x00000004
33 #define COLFMT_RGB24 0x00000008
34 #define COLFMT_RGB32 0x0000000C
36 #define DISPSIZE_MODULO 0x3FF00000 /* line skip +1 (32-bit words)*/
37 #define DISPSIZE_LPF 0x000FFC00 /* lines per field */
38 #define DISPSIZE_PPL 0x000003FF /* pixel words (32 bit) per line */
40 #define DISPCFG_VP 0x00000001 /* V-sync polarity */
41 #define DISPCFG_HP 0x00000002 /* H-sync polarity */
42 #define DISPCFG_I 0x00000010 /* Interlace enable */
43 #define DISPCFG_BS 0x000000C0 /* Broadcast standard */
44 #define DISPCFG_VO 0x00000100 /* Video output enable */
46 #define BS_NTSC 0x00000000
47 #define BS_PAL 0x00000040
48 #define BS_PALM 0x00000080 /* ? */
49 #define BS_PALN 0x000000C0 /* ? */
51 #define PVR2_RAM_BASE 0x05000000
52 #define PVR2_RAM_BASE_INT 0x04000000
53 #define PVR2_RAM_SIZE (8 * 1024 * 1024)
54 #define PVR2_RAM_PAGES (PVR2_RAM_SIZE>>12)
56 void pvr2_next_frame( void );
57 void pvr2_set_base_address( uint32_t );
58 int pvr2_get_frame_count( void );
60 #define PVR2_CMD_END_OF_LIST 0x00
61 #define PVR2_CMD_USER_CLIP 0x20
62 #define PVR2_CMD_POLY_OPAQUE 0x80
63 #define PVR2_CMD_MOD_OPAQUE 0x81
64 #define PVR2_CMD_POLY_TRANS 0x82
65 #define PVR2_CMD_MOD_TRANS 0x83
66 #define PVR2_CMD_POLY_PUNCHOUT 0x84
67 #define PVR2_CMD_VERTEX 0xE0
68 #define PVR2_CMD_VERTEX_LAST 0xF0
70 #define PVR2_POLY_TEXTURED 0x00000008
71 #define PVR2_POLY_SPECULAR 0x00000004
72 #define PVR2_POLY_SHADED 0x00000002
73 #define PVR2_POLY_UV_16BIT 0x00000001
75 #define PVR2_POLY_MODE_CLAMP_RGB 0x00200000
76 #define PVR2_POLY_MODE_ALPHA 0x00100000
77 #define PVR2_POLY_MODE_TEXALPHA 0x00080000
78 #define PVR2_POLY_MODE_FLIP_S 0x00040000
79 #define PVR2_POLY_MODE_FLIP_T 0x00020000
80 #define PVR2_POLY_MODE_CLAMP_S 0x00010000
81 #define PVR2_POLY_MODE_CLAMP_T 0x00008000
83 #define PVR2_TEX_FORMAT_ARGB1555 0x00000000
84 #define PVR2_TEX_FORMAT_RGB565 0x08000000
85 #define PVR2_TEX_FORMAT_ARGB4444 0x10000000
86 #define PVR2_TEX_FORMAT_YUV422 0x18000000
87 #define PVR2_TEX_FORMAT_BUMPMAP 0x20000000
88 #define PVR2_TEX_FORMAT_IDX4 0x28000000
89 #define PVR2_TEX_FORMAT_IDX8 0x30000000
91 #define PVR2_TEX_MIPMAP 0x80000000
92 #define PVR2_TEX_COMPRESSED 0x40000000
93 #define PVR2_TEX_FORMAT_MASK 0x38000000
94 #define PVR2_TEX_UNTWIDDLED 0x04000000
96 #define PVR2_TEX_ADDR(x) ( ((x)&0x01FFFFF)<<3 );
97 #define PVR2_TEX_IS_MIPMAPPED(x) ( (x) & PVR2_TEX_MIPMAP )
98 #define PVR2_TEX_IS_COMPRESSED(x) ( (x) & PVR2_TEX_COMPRESSED )
99 #define PVR2_TEX_IS_TWIDDLED(x) (((x) & PVR2_TEX_UNTWIDDLED) == 0)
101 /****************************** Frame Buffer *****************************/
104 * Write to the interleaved memory address space (aka 64-bit address space).
106 void pvr2_vram64_write( sh4addr_t dest, char *src, uint32_t length );
109 * Read from the interleaved memory address space (aka 64-bit address space)
111 void pvr2_vram64_read( char *dest, sh4addr_t src, uint32_t length );
114 * Dump a portion of vram to a stream from the interleaved memory address
117 void pvr2_vram64_dump( sh4addr_t addr, uint32_t length, FILE *f );
119 /**************************** Tile Accelerator ***************************/
121 * Process the data in the supplied buffer as an array of TA command lists.
122 * Any excess bytes are held pending until a complete list is sent
124 void pvr2_ta_write( char *buf, uint32_t length );
128 * (Re)initialize the tile accelerator in preparation for the next scene.
129 * Normally called immediately before commencing polygon transmission.
131 void pvr2_ta_init( void );
133 /********************************* Renderer ******************************/
136 * Initialize the rendering pipeline.
137 * @return TRUE on success, FALSE on failure.
139 gboolean pvr2_render_init( void );
142 * Render the current scene stored in PVR ram to the GL back buffer.
144 void pvr2_render_scene( void );
147 * Display the scene rendered to the supplied address.
148 * @return TRUE if there was an available render that was displayed,
149 * otherwise FALSE (and no action was taken)
151 gboolean pvr2_render_display_frame( uint32_t address );
153 /****************************** Texture Cache ****************************/
156 * Initialize the texture cache.
158 void texcache_init( void );
161 * Initialize the GL side of the texture cache (texture ids and such).
163 void texcache_gl_init( void );
166 * Flush all textures and delete. The cache will be non-functional until
167 * the next call to texcache_init(). This would typically be done if
168 * switching GL targets.
170 void texcache_shutdown( void );
173 * Evict all textures contained in the page identified by a texture address.
175 void texcache_invalidate_page( uint32_t texture_addr );
178 * Return a texture ID for the texture specified at the supplied address
179 * and given parameters (the same sequence of bytes could in theory have
180 * multiple interpretations). We use the texture address as the primary
181 * index, but allow for multiple instances at each address. The texture
182 * will be bound to the GL_TEXTURE_2D target before being returned.
184 * If the texture has already been bound, return the ID to which it was
185 * bound. Otherwise obtain an unused texture ID and set it up appropriately.
187 GLuint texcache_get_texture( uint32_t texture_addr, int width, int height,
.