filename | src/pvr2/pvr2.h |
changeset | 1275:83b15705cdde |
prev | 1256:a9d29fe74bf3 |
next | 1280:38f2b0e60261 |
author | nkeynes |
date | Tue Mar 20 08:29:38 2012 +1000 (12 years ago) |
permissions | -rw-r--r-- |
last change | More android WIP - Implement onPause/onResume (although resume is not actually working yet) - Implement BGRA => RGBA texture conversion (BGRA doesn't seem to work on the TFP) Boot swirl is now displayed, albeit depth buffering seems to be broken. |
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nkeynes@31 | 1 | /** |
nkeynes@561 | 2 | * $Id$ |
nkeynes@31 | 3 | * |
nkeynes@103 | 4 | * PVR2 (video chip) functions and macros. |
nkeynes@31 | 5 | * |
nkeynes@31 | 6 | * Copyright (c) 2005 Nathan Keynes. |
nkeynes@31 | 7 | * |
nkeynes@31 | 8 | * This program is free software; you can redistribute it and/or modify |
nkeynes@31 | 9 | * it under the terms of the GNU General Public License as published by |
nkeynes@31 | 10 | * the Free Software Foundation; either version 2 of the License, or |
nkeynes@31 | 11 | * (at your option) any later version. |
nkeynes@31 | 12 | * |
nkeynes@31 | 13 | * This program is distributed in the hope that it will be useful, |
nkeynes@31 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
nkeynes@31 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
nkeynes@31 | 16 | * GNU General Public License for more details. |
nkeynes@31 | 17 | */ |
nkeynes@31 | 18 | |
nkeynes@653 | 19 | #ifndef lxdream_pvr2_H |
nkeynes@653 | 20 | #define lxdream_pvr2_H 1 |
nkeynes@653 | 21 | |
nkeynes@653 | 22 | #include <stdio.h> |
nkeynes@653 | 23 | #include "lxdream.h" |
nkeynes@144 | 24 | #include "display.h" |
nkeynes@1 | 25 | |
nkeynes@736 | 26 | #ifdef __cplusplus |
nkeynes@736 | 27 | extern "C" { |
nkeynes@736 | 28 | #endif |
nkeynes@736 | 29 | |
nkeynes@189 | 30 | typedef unsigned int pvraddr_t; |
nkeynes@189 | 31 | typedef unsigned int pvr64addr_t; |
nkeynes@1 | 32 | |
nkeynes@335 | 33 | #define DISPMODE_ENABLE 0x00000001 /* Display enable */ |
nkeynes@335 | 34 | #define DISPMODE_LINEDOUBLE 0x00000002 /* scanline double */ |
nkeynes@335 | 35 | #define DISPMODE_COLFMT 0x0000000C /* Colour mode */ |
nkeynes@335 | 36 | #define DISPMODE_CLOCKDIV 0x08000000 /* Clock divide-by-2 */ |
nkeynes@1 | 37 | |
nkeynes@1 | 38 | #define DISPSIZE_MODULO 0x3FF00000 /* line skip +1 (32-bit words)*/ |
nkeynes@1 | 39 | #define DISPSIZE_LPF 0x000FFC00 /* lines per field */ |
nkeynes@1 | 40 | #define DISPSIZE_PPL 0x000003FF /* pixel words (32 bit) per line */ |
nkeynes@1 | 41 | |
nkeynes@103 | 42 | #define DISPCFG_VP 0x00000001 /* V-sync polarity */ |
nkeynes@103 | 43 | #define DISPCFG_HP 0x00000002 /* H-sync polarity */ |
nkeynes@103 | 44 | #define DISPCFG_I 0x00000010 /* Interlace enable */ |
nkeynes@103 | 45 | #define DISPCFG_BS 0x000000C0 /* Broadcast standard */ |
nkeynes@103 | 46 | #define DISPCFG_VO 0x00000100 /* Video output enable */ |
nkeynes@1 | 47 | |
nkeynes@432 | 48 | #define DISPSYNC_LINE_MASK 0x000003FF |
nkeynes@432 | 49 | #define DISPSYNC_EVEN_FIELD 0x00000000 |
nkeynes@432 | 50 | #define DISPSYNC_ODD_FIELD 0x00000400 |
nkeynes@432 | 51 | #define DISPSYNC_ACTIVE 0x00000800 |
nkeynes@432 | 52 | #define DISPSYNC_HSYNC 0x00001000 |
nkeynes@432 | 53 | #define DISPSYNC_VSYNC 0x00002000 |
nkeynes@432 | 54 | |
nkeynes@1 | 55 | #define BS_NTSC 0x00000000 |
nkeynes@1 | 56 | #define BS_PAL 0x00000040 |
nkeynes@1 | 57 | #define BS_PALM 0x00000080 /* ? */ |
nkeynes@1 | 58 | #define BS_PALN 0x000000C0 /* ? */ |
nkeynes@1 | 59 | |
nkeynes@827 | 60 | #define SCALER_HSCALE 0x00010000 |
nkeynes@827 | 61 | |
nkeynes@103 | 62 | #define PVR2_RAM_BASE 0x05000000 |
nkeynes@103 | 63 | #define PVR2_RAM_BASE_INT 0x04000000 |
nkeynes@103 | 64 | #define PVR2_RAM_SIZE (8 * 1024 * 1024) |
nkeynes@103 | 65 | #define PVR2_RAM_PAGES (PVR2_RAM_SIZE>>12) |
nkeynes@189 | 66 | #define PVR2_RAM_MASK 0x7FFFFF |
nkeynes@103 | 67 | |
nkeynes@222 | 68 | #define RENDER_ZONLY 0 |
nkeynes@222 | 69 | #define RENDER_NORMAL 1 /* Render non-modified polygons */ |
nkeynes@222 | 70 | #define RENDER_CHEAPMOD 2 /* Render cheap-modified polygons */ |
nkeynes@222 | 71 | #define RENDER_FULLMOD 3 /* Render the fully-modified version of the polygons */ |
nkeynes@222 | 72 | |
nkeynes@1076 | 73 | /** |
nkeynes@1076 | 74 | * Advance to the next frame |
nkeynes@1076 | 75 | */ |
nkeynes@1 | 76 | void pvr2_next_frame( void ); |
nkeynes@1076 | 77 | |
nkeynes@1076 | 78 | /** |
nkeynes@1076 | 79 | * Draw the current frame on the output window. |
nkeynes@1076 | 80 | */ |
nkeynes@1076 | 81 | void pvr2_draw_frame(); |
nkeynes@19 | 82 | void pvr2_set_base_address( uint32_t ); |
nkeynes@133 | 83 | int pvr2_get_frame_count( void ); |
nkeynes@295 | 84 | gboolean pvr2_save_next_scene( const gchar *filename ); |
nkeynes@56 | 85 | |
nkeynes@103 | 86 | #define PVR2_CMD_END_OF_LIST 0x00 |
nkeynes@103 | 87 | #define PVR2_CMD_USER_CLIP 0x20 |
nkeynes@103 | 88 | #define PVR2_CMD_POLY_OPAQUE 0x80 |
nkeynes@103 | 89 | #define PVR2_CMD_MOD_OPAQUE 0x81 |
nkeynes@103 | 90 | #define PVR2_CMD_POLY_TRANS 0x82 |
nkeynes@103 | 91 | #define PVR2_CMD_MOD_TRANS 0x83 |
nkeynes@103 | 92 | #define PVR2_CMD_POLY_PUNCHOUT 0x84 |
nkeynes@103 | 93 | #define PVR2_CMD_VERTEX 0xE0 |
nkeynes@103 | 94 | #define PVR2_CMD_VERTEX_LAST 0xF0 |
nkeynes@103 | 95 | |
nkeynes@864 | 96 | #define PVR2_VOLUME_NORMAL 0x00000000 |
nkeynes@864 | 97 | #define PVR2_VOLUME_REGION1 0x20000000 |
nkeynes@864 | 98 | #define PVR2_VOLUME_REGION0 0x40000000 |
nkeynes@864 | 99 | |
nkeynes@103 | 100 | #define PVR2_POLY_TEXTURED 0x00000008 |
nkeynes@103 | 101 | #define PVR2_POLY_SPECULAR 0x00000004 |
nkeynes@103 | 102 | #define PVR2_POLY_SHADED 0x00000002 |
nkeynes@103 | 103 | #define PVR2_POLY_UV_16BIT 0x00000001 |
nkeynes@103 | 104 | |
nkeynes@133 | 105 | #define PVR2_POLY_MODE_CLAMP_RGB 0x00200000 |
nkeynes@133 | 106 | #define PVR2_POLY_MODE_ALPHA 0x00100000 |
nkeynes@133 | 107 | #define PVR2_POLY_MODE_TEXALPHA 0x00080000 |
nkeynes@133 | 108 | #define PVR2_POLY_MODE_FLIP_S 0x00040000 |
nkeynes@133 | 109 | #define PVR2_POLY_MODE_FLIP_T 0x00020000 |
nkeynes@133 | 110 | #define PVR2_POLY_MODE_CLAMP_S 0x00010000 |
nkeynes@133 | 111 | #define PVR2_POLY_MODE_CLAMP_T 0x00008000 |
nkeynes@133 | 112 | |
nkeynes@337 | 113 | #define PVR2_POLY_FOG_LOOKUP 0x00000000 |
nkeynes@337 | 114 | #define PVR2_POLY_FOG_VERTEX 0x00400000 |
nkeynes@337 | 115 | #define PVR2_POLY_FOG_DISABLED 0x00800000 |
nkeynes@337 | 116 | #define PVR2_POLY_FOG_LOOKUP2 0x00C00000 |
nkeynes@337 | 117 | |
nkeynes@337 | 118 | |
nkeynes@103 | 119 | #define PVR2_TEX_FORMAT_ARGB1555 0x00000000 |
nkeynes@103 | 120 | #define PVR2_TEX_FORMAT_RGB565 0x08000000 |
nkeynes@103 | 121 | #define PVR2_TEX_FORMAT_ARGB4444 0x10000000 |
nkeynes@103 | 122 | #define PVR2_TEX_FORMAT_YUV422 0x18000000 |
nkeynes@103 | 123 | #define PVR2_TEX_FORMAT_BUMPMAP 0x20000000 |
nkeynes@103 | 124 | #define PVR2_TEX_FORMAT_IDX4 0x28000000 |
nkeynes@103 | 125 | #define PVR2_TEX_FORMAT_IDX8 0x30000000 |
nkeynes@103 | 126 | |
nkeynes@103 | 127 | #define PVR2_TEX_MIPMAP 0x80000000 |
nkeynes@103 | 128 | #define PVR2_TEX_COMPRESSED 0x40000000 |
nkeynes@103 | 129 | #define PVR2_TEX_FORMAT_MASK 0x38000000 |
nkeynes@103 | 130 | #define PVR2_TEX_UNTWIDDLED 0x04000000 |
nkeynes@284 | 131 | #define PVR2_TEX_STRIDE 0x02000000 |
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 ) |
nkeynes@337 | 133 | |
nkeynes@103 | 134 | |
nkeynes@108 | 135 | #define PVR2_TEX_ADDR(x) ( ((x)&0x01FFFFF)<<3 ); |
nkeynes@348 | 136 | #define PVR2_TEX_IS_MIPMAPPED(x) ( ((x) & 0x84000000) == 0x80000000 ) |
nkeynes@103 | 137 | #define PVR2_TEX_IS_COMPRESSED(x) ( (x) & PVR2_TEX_COMPRESSED ) |
nkeynes@103 | 138 | #define PVR2_TEX_IS_TWIDDLED(x) (((x) & PVR2_TEX_UNTWIDDLED) == 0) |
nkeynes@284 | 139 | #define PVR2_TEX_IS_STRIDE(x) (((x) & 0x06000000) == 0x06000000) |
nkeynes@103 | 140 | |
nkeynes@103 | 141 | /****************************** Frame Buffer *****************************/ |
nkeynes@103 | 142 | |
nkeynes@934 | 143 | extern unsigned char pvr2_main_ram[]; |
nkeynes@934 | 144 | |
nkeynes@103 | 145 | /** |
nkeynes@827 | 146 | * Write a block of data to an address in the DMA range (0x10000000 - |
nkeynes@325 | 147 | * 0x13FFFFFF), ie TA, YUV, or texture ram. |
nkeynes@325 | 148 | */ |
nkeynes@429 | 149 | void pvr2_dma_write( sh4addr_t dest, unsigned char *src, uint32_t length ); |
nkeynes@325 | 150 | |
nkeynes@325 | 151 | /** |
nkeynes@103 | 152 | * Write to the interleaved memory address space (aka 64-bit address space). |
nkeynes@103 | 153 | */ |
nkeynes@429 | 154 | void pvr2_vram64_write( sh4addr_t dest, unsigned char *src, uint32_t length ); |
nkeynes@103 | 155 | |
nkeynes@103 | 156 | /** |
nkeynes@282 | 157 | * Write to the interleaved memory address space (aka 64-bit address space), |
nkeynes@282 | 158 | * using a line length and stride. |
nkeynes@282 | 159 | */ |
nkeynes@429 | 160 | void pvr2_vram64_write_stride( sh4addr_t dest, unsigned char *src, uint32_t line_bytes, |
nkeynes@736 | 161 | uint32_t line_stride_bytes, uint32_t line_count ); |
nkeynes@282 | 162 | |
nkeynes@282 | 163 | /** |
nkeynes@103 | 164 | * Read from the interleaved memory address space (aka 64-bit address space) |
nkeynes@103 | 165 | */ |
nkeynes@429 | 166 | void pvr2_vram64_read( unsigned char *dest, sh4addr_t src, uint32_t length ); |
nkeynes@103 | 167 | |
nkeynes@127 | 168 | /** |
nkeynes@310 | 169 | * Read a twiddled image from interleaved memory address space (aka 64-bit address |
nkeynes@827 | 170 | * space), writing the image to the destination buffer in detwiddled format. |
nkeynes@310 | 171 | * Width and height must be powers of 2 |
nkeynes@315 | 172 | * This version reads 4-bit pixels. |
nkeynes@315 | 173 | */ |
nkeynes@429 | 174 | void pvr2_vram64_read_twiddled_4( unsigned char *dest, sh4addr_t src, uint32_t width, uint32_t height ); |
nkeynes@315 | 175 | |
nkeynes@315 | 176 | |
nkeynes@315 | 177 | /** |
nkeynes@315 | 178 | * Read a twiddled image from interleaved memory address space (aka 64-bit address |
nkeynes@827 | 179 | * space), writing the image to the destination buffer in detwiddled format. |
nkeynes@315 | 180 | * Width and height must be powers of 2 |
nkeynes@310 | 181 | * This version reads 8-bit pixels. |
nkeynes@310 | 182 | */ |
nkeynes@429 | 183 | void pvr2_vram64_read_twiddled_8( unsigned char *dest, sh4addr_t src, uint32_t width, uint32_t height ); |
nkeynes@310 | 184 | |
nkeynes@310 | 185 | /** |
nkeynes@310 | 186 | * Read a twiddled image from interleaved memory address space (aka 64-bit address |
nkeynes@827 | 187 | * space), writing the image to the destination buffer in detwiddled format. |
nkeynes@310 | 188 | * Width and height must be powers of 2, and src must be 16-bit aligned. |
nkeynes@310 | 189 | * This version reads 16-bit pixels. |
nkeynes@310 | 190 | */ |
nkeynes@429 | 191 | void pvr2_vram64_read_twiddled_16( unsigned char *dest, sh4addr_t src, uint32_t width, uint32_t height ); |
nkeynes@310 | 192 | |
nkeynes@310 | 193 | /** |
nkeynes@827 | 194 | * Read an image from the interleaved memory address space (aka 64-bit address space) |
nkeynes@284 | 195 | * where the source and destination line sizes may differ. Note that both byte |
nkeynes@284 | 196 | * counts must be a multiple of 4, and the src address must be 32-bit aligned. |
nkeynes@284 | 197 | */ |
nkeynes@429 | 198 | void pvr2_vram64_read_stride( unsigned char *dest, uint32_t dest_line_bytes, sh4addr_t srcaddr, |
nkeynes@736 | 199 | uint32_t src_line_bytes, uint32_t line_count ); |
nkeynes@284 | 200 | /** |
nkeynes@827 | 201 | * Dump a portion of vram to a stream from the interleaved memory address |
nkeynes@127 | 202 | * space. |
nkeynes@127 | 203 | */ |
nkeynes@127 | 204 | void pvr2_vram64_dump( sh4addr_t addr, uint32_t length, FILE *f ); |
nkeynes@127 | 205 | |
nkeynes@315 | 206 | /** |
nkeynes@315 | 207 | * Flush the indicated render buffer back to PVR. Caller is responsible for |
nkeynes@315 | 208 | * tracking whether there is actually anything in the buffer. |
nkeynes@315 | 209 | * |
nkeynes@315 | 210 | * @param buffer A render buffer indicating the address to store to, and the |
nkeynes@315 | 211 | * format the data needs to be in. |
nkeynes@827 | 212 | * @param backBuffer TRUE to flush the back buffer, FALSE for |
nkeynes@315 | 213 | * the front buffer. |
nkeynes@315 | 214 | */ |
nkeynes@352 | 215 | void pvr2_render_buffer_copy_to_sh4( render_buffer_t buffer ); |
nkeynes@315 | 216 | |
nkeynes@315 | 217 | /** |
nkeynes@315 | 218 | * Invalidate any caching on the supplied SH4 address |
nkeynes@315 | 219 | */ |
nkeynes@352 | 220 | gboolean pvr2_render_buffer_invalidate( sh4addr_t addr, gboolean isWrite ); |
nkeynes@315 | 221 | |
nkeynes@315 | 222 | |
nkeynes@103 | 223 | /**************************** Tile Accelerator ***************************/ |
nkeynes@56 | 224 | /** |
nkeynes@56 | 225 | * Process the data in the supplied buffer as an array of TA command lists. |
nkeynes@56 | 226 | * Any excess bytes are held pending until a complete list is sent |
nkeynes@56 | 227 | */ |
nkeynes@429 | 228 | void pvr2_ta_write( unsigned char *buf, uint32_t length ); |
nkeynes@100 | 229 | |
nkeynes@931 | 230 | void FASTCALL pvr2_ta_write_burst( sh4addr_t addr, unsigned char *buf ); |
nkeynes@931 | 231 | |
nkeynes@753 | 232 | /** |
nkeynes@753 | 233 | * Find the first polygon or sprite context in the supplied buffer of TA |
nkeynes@753 | 234 | * data. |
nkeynes@827 | 235 | * @return A pointer to the context, or NULL if it cannot be found |
nkeynes@753 | 236 | */ |
nkeynes@753 | 237 | uint32_t *pvr2_ta_find_polygon_context( uint32_t *buf, uint32_t length ); |
nkeynes@100 | 238 | |
nkeynes@103 | 239 | /** |
nkeynes@103 | 240 | * (Re)initialize the tile accelerator in preparation for the next scene. |
nkeynes@103 | 241 | * Normally called immediately before commencing polygon transmission. |
nkeynes@103 | 242 | */ |
nkeynes@103 | 243 | void pvr2_ta_init( void ); |
nkeynes@103 | 244 | |
nkeynes@429 | 245 | void pvr2_ta_reset( void ); |
nkeynes@429 | 246 | |
nkeynes@429 | 247 | void pvr2_ta_save_state( FILE *f ); |
nkeynes@429 | 248 | |
nkeynes@429 | 249 | int pvr2_ta_load_state( FILE *f ); |
nkeynes@282 | 250 | |
nkeynes@282 | 251 | /****************************** YUV Converter ****************************/ |
nkeynes@282 | 252 | |
nkeynes@282 | 253 | /** |
nkeynes@282 | 254 | * Process a block of YUV data. |
nkeynes@282 | 255 | */ |
nkeynes@429 | 256 | void pvr2_yuv_write( unsigned char *buf, uint32_t length ); |
nkeynes@282 | 257 | |
nkeynes@282 | 258 | /** |
nkeynes@282 | 259 | * Initialize the YUV converter. |
nkeynes@282 | 260 | */ |
nkeynes@284 | 261 | void pvr2_yuv_init( uint32_t target_addr ); |
nkeynes@284 | 262 | |
nkeynes@284 | 263 | void pvr2_yuv_set_config( uint32_t config ); |
nkeynes@282 | 264 | |
nkeynes@429 | 265 | void pvr2_yuv_save_state( FILE *f ); |
nkeynes@429 | 266 | |
nkeynes@429 | 267 | int pvr2_yuv_load_state( FILE *f ); |
nkeynes@429 | 268 | |
nkeynes@103 | 269 | /********************************* Renderer ******************************/ |
nkeynes@103 | 270 | |
nkeynes@103 | 271 | /** |
nkeynes@103 | 272 | * Render the current scene stored in PVR ram to the GL back buffer. |
nkeynes@103 | 273 | */ |
nkeynes@669 | 274 | void pvr2_scene_render( render_buffer_t buffer ); |
nkeynes@103 | 275 | |
nkeynes@103 | 276 | /** |
nkeynes@669 | 277 | * Perform the initial once-off GL setup, usually immediately after the GL |
nkeynes@669 | 278 | * context is first bound. |
nkeynes@103 | 279 | */ |
nkeynes@669 | 280 | void pvr2_setup_gl_context(); |
nkeynes@219 | 281 | |
nkeynes@1275 | 282 | void pvr2_shutdown_gl_context(); |
nkeynes@1275 | 283 | |
nkeynes@219 | 284 | void render_backplane( uint32_t *polygon, uint32_t width, uint32_t height, uint32_t mode ); |
nkeynes@219 | 285 | |
nkeynes@669 | 286 | void render_autosort_tile( pvraddr_t tile_entry, int render_mode ); |
nkeynes@669 | 287 | |
nkeynes@1154 | 288 | struct polygon_struct; |
nkeynes@1154 | 289 | void gl_render_triangle( struct polygon_struct *poly, int index ); |
nkeynes@219 | 290 | |
nkeynes@1137 | 291 | void gl_render_tilelist( pvraddr_t tile_entry, gboolean set_depth ); |
nkeynes@429 | 292 | |
nkeynes@856 | 293 | render_buffer_t pvr2_create_render_buffer( sh4addr_t addr, int width, int height, GLuint tex_id ); |
nkeynes@856 | 294 | |
nkeynes@861 | 295 | void pvr2_finish_render_buffer( render_buffer_t buffer ); |
nkeynes@861 | 296 | |
nkeynes@856 | 297 | void pvr2_destroy_render_buffer( render_buffer_t buffer ); |
nkeynes@856 | 298 | |
nkeynes@856 | 299 | |
nkeynes@319 | 300 | /** |
nkeynes@319 | 301 | * Structure to hold a complete unpacked vertex (excluding modifier |
nkeynes@319 | 302 | * volume parameters - generate separate vertexes in that case). |
nkeynes@319 | 303 | */ |
nkeynes@319 | 304 | struct vertex_unpacked { |
nkeynes@319 | 305 | float x,y,z; |
nkeynes@319 | 306 | float u,v; /* Texture coordinates */ |
nkeynes@319 | 307 | float rgba[4]; /* Fragment colour (RGBA order) */ |
nkeynes@319 | 308 | float offset_rgba[4]; /* Offset color (RGBA order) */ |
nkeynes@319 | 309 | }; |
nkeynes@319 | 310 | |
nkeynes@103 | 311 | /****************************** Texture Cache ****************************/ |
nkeynes@103 | 312 | |
nkeynes@103 | 313 | /** |
nkeynes@108 | 314 | * Initialize the texture cache. |
nkeynes@103 | 315 | */ |
nkeynes@103 | 316 | void texcache_init( void ); |
nkeynes@103 | 317 | |
nkeynes@108 | 318 | /** |
nkeynes@108 | 319 | * Initialize the GL side of the texture cache (texture ids and such). |
nkeynes@108 | 320 | */ |
nkeynes@1256 | 321 | void texcache_gl_init( ); |
nkeynes@103 | 322 | |
nkeynes@103 | 323 | /** |
nkeynes@103 | 324 | * Flush all textures and delete. The cache will be non-functional until |
nkeynes@1275 | 325 | * the next call to texcache_gl_init(). This would typically be done if |
nkeynes@103 | 326 | * switching GL targets. |
nkeynes@827 | 327 | */ |
nkeynes@1275 | 328 | void texcache_gl_shutdown( void ); |
nkeynes@103 | 329 | |
nkeynes@103 | 330 | /** |
nkeynes@432 | 331 | * Flush (ie free) all textures. |
nkeynes@432 | 332 | */ |
nkeynes@432 | 333 | void texcache_flush( void ); |
nkeynes@432 | 334 | |
nkeynes@432 | 335 | /** |
nkeynes@432 | 336 | * Flush all palette-based textures (if any) |
nkeynes@432 | 337 | */ |
nkeynes@432 | 338 | void texcache_invalidate_palette(void); |
nkeynes@432 | 339 | |
nkeynes@432 | 340 | /** |
nkeynes@103 | 341 | * Evict all textures contained in the page identified by a texture address. |
nkeynes@103 | 342 | */ |
nkeynes@103 | 343 | void texcache_invalidate_page( uint32_t texture_addr ); |
nkeynes@103 | 344 | |
nkeynes@103 | 345 | /** |
nkeynes@886 | 346 | * Set the global texture parameters for the scene (possibly invalidating |
nkeynes@886 | 347 | * some existing textures) |
nkeynes@886 | 348 | */ |
nkeynes@1135 | 349 | void texcache_begin_scene( uint32_t palette_mode, uint32_t stride_width ); |
nkeynes@886 | 350 | |
nkeynes@886 | 351 | /** |
nkeynes@103 | 352 | * Return a texture ID for the texture specified at the supplied address |
nkeynes@103 | 353 | * and given parameters (the same sequence of bytes could in theory have |
nkeynes@103 | 354 | * multiple interpretations). We use the texture address as the primary |
nkeynes@103 | 355 | * index, but allow for multiple instances at each address. The texture |
nkeynes@103 | 356 | * will be bound to the GL_TEXTURE_2D target before being returned. |
nkeynes@827 | 357 | * |
nkeynes@103 | 358 | * If the texture has already been bound, return the ID to which it was |
nkeynes@103 | 359 | * bound. Otherwise obtain an unused texture ID and set it up appropriately. |
nkeynes@103 | 360 | */ |
nkeynes@1135 | 361 | GLuint texcache_get_texture( uint32_t poly2_word, uint32_t texture_word ); |
nkeynes@221 | 362 | |
nkeynes@856 | 363 | render_buffer_t texcache_get_render_buffer( uint32_t texture_addr, int mode, int width, int height ); |
nkeynes@856 | 364 | |
nkeynes@429 | 365 | void pvr2_check_palette_changed(void); |
nkeynes@429 | 366 | |
nkeynes@432 | 367 | int pvr2_render_save_scene( const gchar *filename ); |
nkeynes@432 | 368 | |
nkeynes@850 | 369 | /** |
nkeynes@850 | 370 | * Queue a gun position event to occur at the specified position. Unless |
nkeynes@850 | 371 | * cancelled, when the display reaches the position: |
nkeynes@850 | 372 | * GUNPOS is updated with the position, and |
nkeynes@850 | 373 | * EVENT_MAPLE_DMA is fired. |
nkeynes@850 | 374 | */ |
nkeynes@850 | 375 | void pvr2_queue_gun_event( int xpos, int ypos ); |
nkeynes@432 | 376 | |
nkeynes@221 | 377 | /************************* Rendering support macros **************************/ |
nkeynes@864 | 378 | #define POLY1_VOLUME_MODE(poly1) ((poly1)&0xE0000000) |
nkeynes@221 | 379 | #define POLY1_DEPTH_MODE(poly1) ( pvr2_poly_depthmode[(poly1)>>29] ) |
nkeynes@653 | 380 | #define POLY1_DEPTH_WRITE(poly1) (((poly1)&0x04000000) == 0 ) |
nkeynes@221 | 381 | #define POLY1_CULL_MODE(poly1) (((poly1)>>27)&0x03) |
nkeynes@653 | 382 | #define POLY1_CULL_ENABLE(poly1) (((poly1)>>28)&0x01) |
nkeynes@221 | 383 | #define POLY1_TEXTURED(poly1) (((poly1)&0x02000000)) |
nkeynes@221 | 384 | #define POLY1_SPECULAR(poly1) (((poly1)&0x01000000)) |
nkeynes@319 | 385 | #define POLY1_GOURAUD_SHADED(poly1) ((poly1)&0x00800000) |
nkeynes@221 | 386 | #define POLY1_SHADE_MODEL(poly1) (((poly1)&0x00800000) ? GL_SMOOTH : GL_FLAT) |
nkeynes@221 | 387 | #define POLY1_UV16(poly1) (((poly1)&0x00400000)) |
nkeynes@221 | 388 | #define POLY1_SINGLE_TILE(poly1) (((poly1)&0x00200000)) |
nkeynes@221 | 389 | |
nkeynes@221 | 390 | #define POLY2_SRC_BLEND(poly2) ( pvr2_poly_srcblend[(poly2) >> 29] ) |
nkeynes@221 | 391 | #define POLY2_DEST_BLEND(poly2) ( pvr2_poly_dstblend[((poly2)>>26)&0x07] ) |
nkeynes@322 | 392 | #define POLY2_SRC_BLEND_TARGET(poly2) ((poly2)&0x02000000) |
nkeynes@322 | 393 | #define POLY2_DEST_BLEND_TARGET(poly2) ((poly2)&0x01000000) |
nkeynes@337 | 394 | #define POLY2_FOG_MODE(poly2) ((poly2)&0x00C00000) |
nkeynes@221 | 395 | #define POLY2_COLOUR_CLAMP_ENABLE(poly2) ((poly2)&0x00200000) |
nkeynes@322 | 396 | #define POLY2_ALPHA_ENABLE(poly2) ((poly2)&0x00100000) |
nkeynes@322 | 397 | #define POLY2_TEX_ALPHA_ENABLE(poly2) (((poly2)&0x00080000) == 0 ) |
nkeynes@655 | 398 | #define POLY2_TEX_MIRROR_U(poly2) ((poly2)&0x00040000) |
nkeynes@655 | 399 | #define POLY2_TEX_MIRROR_V(poly2) ((poly2)&0x00020000) |
nkeynes@322 | 400 | #define POLY2_TEX_CLAMP_U(poly2) ((poly2)&0x00010000) |
nkeynes@322 | 401 | #define POLY2_TEX_CLAMP_V(poly2) ((poly2)&0x00008000) |
nkeynes@221 | 402 | #define POLY2_TEX_WIDTH(poly2) ( 1<< ((((poly2) >> 3) & 0x07 ) + 3) ) |
nkeynes@221 | 403 | #define POLY2_TEX_HEIGHT(poly2) ( 1<< (((poly2) & 0x07 ) + 3) ) |
nkeynes@338 | 404 | #define POLY2_TEX_BLEND(poly2) (((poly2) >> 6)&0x03) |
nkeynes@221 | 405 | extern int pvr2_poly_depthmode[8]; |
nkeynes@221 | 406 | extern int pvr2_poly_srcblend[8]; |
nkeynes@221 | 407 | extern int pvr2_poly_dstblend[8]; |
nkeynes@221 | 408 | extern int pvr2_render_colour_format[8]; |
nkeynes@221 | 409 | |
nkeynes@653 | 410 | #define CULL_NONE 0 |
nkeynes@653 | 411 | #define CULL_SMALL 1 |
nkeynes@653 | 412 | #define CULL_CCW 2 |
nkeynes@653 | 413 | #define CULL_CW 3 |
nkeynes@653 | 414 | |
nkeynes@653 | 415 | #define SEGMENT_END 0x80000000 |
nkeynes@653 | 416 | #define SEGMENT_ZCLEAR 0x40000000 |
nkeynes@653 | 417 | #define SEGMENT_SORT_TRANS 0x20000000 |
nkeynes@653 | 418 | #define SEGMENT_START 0x10000000 |
nkeynes@653 | 419 | #define SEGMENT_X(c) (((c) >> 2) & 0x3F) |
nkeynes@653 | 420 | #define SEGMENT_Y(c) (((c) >> 8) & 0x3F) |
nkeynes@653 | 421 | #define NO_POINTER 0x80000000 |
nkeynes@653 | 422 | #define IS_TILE_PTR(p) ( ((p)&NO_POINTER) == 0 ) |
nkeynes@653 | 423 | #define IS_LAST_SEGMENT(s) (((s)->control) & SEGMENT_END) |
nkeynes@653 | 424 | |
nkeynes@653 | 425 | struct tile_segment { |
nkeynes@653 | 426 | uint32_t control; |
nkeynes@653 | 427 | pvraddr_t opaque_ptr; |
nkeynes@653 | 428 | pvraddr_t opaquemod_ptr; |
nkeynes@653 | 429 | pvraddr_t trans_ptr; |
nkeynes@653 | 430 | pvraddr_t transmod_ptr; |
nkeynes@653 | 431 | pvraddr_t punchout_ptr; |
nkeynes@653 | 432 | }; |
nkeynes@653 | 433 | |
nkeynes@1145 | 434 | |
nkeynes@1145 | 435 | struct tile_bounds { |
nkeynes@1145 | 436 | int32_t x1, y1, x2, y2; |
nkeynes@1145 | 437 | }; |
nkeynes@1145 | 438 | |
nkeynes@736 | 439 | #ifdef __cplusplus |
nkeynes@736 | 440 | } |
nkeynes@736 | 441 | #endif |
nkeynes@736 | 442 | |
nkeynes@653 | 443 | #endif /* !lxdream_pvr2_H */ |
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