filename | src/pvr2/pvr2.c |
changeset | 669:ab344e42bca9 |
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author | nkeynes |
date | Mon May 12 10:00:13 2008 +0000 (15 years ago) |
permissions | -rw-r--r-- |
last change | Cleanup most of the -Wall warnings (getting a bit sloppy...) Convert FP code to use fixed banks rather than indirect pointer (3-4% faster this way now) |
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nkeynes@31 | 1 | /** |
nkeynes@586 | 2 | * $Id$ |
nkeynes@31 | 3 | * |
nkeynes@133 | 4 | * PVR2 (Video) Core module implementation and MMIO registers. |
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@35 | 18 | #define MODULE pvr2_module |
nkeynes@31 | 19 | |
nkeynes@477 | 20 | #include <assert.h> |
nkeynes@1 | 21 | #include "dream.h" |
nkeynes@265 | 22 | #include "eventq.h" |
nkeynes@144 | 23 | #include "display.h" |
nkeynes@1 | 24 | #include "mem.h" |
nkeynes@1 | 25 | #include "asic.h" |
nkeynes@261 | 26 | #include "clock.h" |
nkeynes@103 | 27 | #include "pvr2/pvr2.h" |
nkeynes@669 | 28 | #include "pvr2/scene.h" |
nkeynes@586 | 29 | #include "sh4/sh4.h" |
nkeynes@1 | 30 | #define MMIO_IMPL |
nkeynes@103 | 31 | #include "pvr2/pvr2mmio.h" |
nkeynes@1 | 32 | |
nkeynes@502 | 33 | unsigned char *video_base; |
nkeynes@1 | 34 | |
nkeynes@352 | 35 | #define MAX_RENDER_BUFFERS 4 |
nkeynes@352 | 36 | |
nkeynes@304 | 37 | #define HPOS_PER_FRAME 0 |
nkeynes@304 | 38 | #define HPOS_PER_LINECOUNT 1 |
nkeynes@304 | 39 | |
nkeynes@133 | 40 | static void pvr2_init( void ); |
nkeynes@133 | 41 | static void pvr2_reset( void ); |
nkeynes@133 | 42 | static uint32_t pvr2_run_slice( uint32_t ); |
nkeynes@133 | 43 | static void pvr2_save_state( FILE *f ); |
nkeynes@133 | 44 | static int pvr2_load_state( FILE *f ); |
nkeynes@265 | 45 | static void pvr2_update_raster_posn( uint32_t nanosecs ); |
nkeynes@304 | 46 | static void pvr2_schedule_scanline_event( int eventid, int line, int minimum_lines, int line_time_ns ); |
nkeynes@352 | 47 | static render_buffer_t pvr2_get_render_buffer( frame_buffer_t frame ); |
nkeynes@352 | 48 | static render_buffer_t pvr2_next_render_buffer( ); |
nkeynes@477 | 49 | static render_buffer_t pvr2_frame_buffer_to_render_buffer( frame_buffer_t frame ); |
nkeynes@265 | 50 | uint32_t pvr2_get_sync_status(); |
nkeynes@133 | 51 | |
nkeynes@94 | 52 | void pvr2_display_frame( void ); |
nkeynes@94 | 53 | |
nkeynes@477 | 54 | static int output_colour_formats[] = { COLFMT_BGRA1555, COLFMT_RGB565, COLFMT_BGR888, COLFMT_BGRA8888 }; |
nkeynes@161 | 55 | |
nkeynes@133 | 56 | struct dreamcast_module pvr2_module = { "PVR2", pvr2_init, pvr2_reset, NULL, |
nkeynes@133 | 57 | pvr2_run_slice, NULL, |
nkeynes@133 | 58 | pvr2_save_state, pvr2_load_state }; |
nkeynes@133 | 59 | |
nkeynes@103 | 60 | |
nkeynes@144 | 61 | display_driver_t display_driver = NULL; |
nkeynes@15 | 62 | |
nkeynes@133 | 63 | struct pvr2_state { |
nkeynes@133 | 64 | uint32_t frame_count; |
nkeynes@133 | 65 | uint32_t line_count; |
nkeynes@133 | 66 | uint32_t line_remainder; |
nkeynes@265 | 67 | uint32_t cycles_run; /* Cycles already executed prior to main time slice */ |
nkeynes@304 | 68 | uint32_t irq_hpos_line; |
nkeynes@304 | 69 | uint32_t irq_hpos_line_count; |
nkeynes@304 | 70 | uint32_t irq_hpos_mode; |
nkeynes@304 | 71 | uint32_t irq_hpos_time_ns; /* Time within the line */ |
nkeynes@133 | 72 | uint32_t irq_vpos1; |
nkeynes@133 | 73 | uint32_t irq_vpos2; |
nkeynes@261 | 74 | uint32_t odd_even_field; /* 1 = odd, 0 = even */ |
nkeynes@337 | 75 | gboolean palette_changed; /* TRUE if palette has changed since last render */ |
nkeynes@295 | 76 | gchar *save_next_render_filename; |
nkeynes@261 | 77 | /* timing */ |
nkeynes@261 | 78 | uint32_t dot_clock; |
nkeynes@261 | 79 | uint32_t total_lines; |
nkeynes@261 | 80 | uint32_t line_size; |
nkeynes@261 | 81 | uint32_t line_time_ns; |
nkeynes@261 | 82 | uint32_t vsync_lines; |
nkeynes@261 | 83 | uint32_t hsync_width_ns; |
nkeynes@261 | 84 | uint32_t front_porch_ns; |
nkeynes@261 | 85 | uint32_t back_porch_ns; |
nkeynes@265 | 86 | uint32_t retrace_start_line; |
nkeynes@265 | 87 | uint32_t retrace_end_line; |
nkeynes@261 | 88 | gboolean interlaced; |
nkeynes@133 | 89 | } pvr2_state; |
nkeynes@15 | 90 | |
nkeynes@441 | 91 | static render_buffer_t render_buffers[MAX_RENDER_BUFFERS]; |
nkeynes@441 | 92 | static int render_buffer_count = 0; |
nkeynes@441 | 93 | static render_buffer_t displayed_render_buffer = NULL; |
nkeynes@545 | 94 | static uint32_t displayed_border_colour = 0; |
nkeynes@133 | 95 | |
nkeynes@265 | 96 | /** |
nkeynes@304 | 97 | * Event handler for the hpos callback |
nkeynes@265 | 98 | */ |
nkeynes@304 | 99 | static void pvr2_hpos_callback( int eventid ) { |
nkeynes@265 | 100 | asic_event( eventid ); |
nkeynes@265 | 101 | pvr2_update_raster_posn(sh4r.slice_cycle); |
nkeynes@304 | 102 | if( pvr2_state.irq_hpos_mode == HPOS_PER_LINECOUNT ) { |
nkeynes@304 | 103 | pvr2_state.irq_hpos_line += pvr2_state.irq_hpos_line_count; |
nkeynes@304 | 104 | while( pvr2_state.irq_hpos_line > (pvr2_state.total_lines>>1) ) { |
nkeynes@304 | 105 | pvr2_state.irq_hpos_line -= (pvr2_state.total_lines>>1); |
nkeynes@304 | 106 | } |
nkeynes@304 | 107 | } |
nkeynes@304 | 108 | pvr2_schedule_scanline_event( eventid, pvr2_state.irq_hpos_line, 1, |
nkeynes@304 | 109 | pvr2_state.irq_hpos_time_ns ); |
nkeynes@265 | 110 | } |
nkeynes@265 | 111 | |
nkeynes@265 | 112 | /** |
nkeynes@265 | 113 | * Event handler for the scanline callbacks. Fires the corresponding |
nkeynes@265 | 114 | * ASIC event, and resets the timer for the next field. |
nkeynes@265 | 115 | */ |
nkeynes@265 | 116 | static void pvr2_scanline_callback( int eventid ) { |
nkeynes@265 | 117 | asic_event( eventid ); |
nkeynes@265 | 118 | pvr2_update_raster_posn(sh4r.slice_cycle); |
nkeynes@265 | 119 | if( eventid == EVENT_SCANLINE1 ) { |
nkeynes@304 | 120 | pvr2_schedule_scanline_event( eventid, pvr2_state.irq_vpos1, 1, 0 ); |
nkeynes@265 | 121 | } else { |
nkeynes@304 | 122 | pvr2_schedule_scanline_event( eventid, pvr2_state.irq_vpos2, 1, 0 ); |
nkeynes@265 | 123 | } |
nkeynes@265 | 124 | } |
nkeynes@265 | 125 | |
nkeynes@133 | 126 | static void pvr2_init( void ) |
nkeynes@1 | 127 | { |
nkeynes@352 | 128 | int i; |
nkeynes@1 | 129 | register_io_region( &mmio_region_PVR2 ); |
nkeynes@85 | 130 | register_io_region( &mmio_region_PVR2PAL ); |
nkeynes@56 | 131 | register_io_region( &mmio_region_PVR2TA ); |
nkeynes@304 | 132 | register_event_callback( EVENT_HPOS, pvr2_hpos_callback ); |
nkeynes@265 | 133 | register_event_callback( EVENT_SCANLINE1, pvr2_scanline_callback ); |
nkeynes@265 | 134 | register_event_callback( EVENT_SCANLINE2, pvr2_scanline_callback ); |
nkeynes@1 | 135 | video_base = mem_get_region_by_name( MEM_REGION_VIDEO ); |
nkeynes@133 | 136 | texcache_init(); |
nkeynes@133 | 137 | pvr2_reset(); |
nkeynes@214 | 138 | pvr2_ta_reset(); |
nkeynes@295 | 139 | pvr2_state.save_next_render_filename = NULL; |
nkeynes@352 | 140 | for( i=0; i<MAX_RENDER_BUFFERS; i++ ) { |
nkeynes@352 | 141 | render_buffers[i] = NULL; |
nkeynes@352 | 142 | } |
nkeynes@352 | 143 | render_buffer_count = 0; |
nkeynes@441 | 144 | displayed_render_buffer = NULL; |
nkeynes@545 | 145 | displayed_border_colour = 0; |
nkeynes@133 | 146 | } |
nkeynes@133 | 147 | |
nkeynes@133 | 148 | static void pvr2_reset( void ) |
nkeynes@133 | 149 | { |
nkeynes@477 | 150 | int i; |
nkeynes@133 | 151 | pvr2_state.line_count = 0; |
nkeynes@133 | 152 | pvr2_state.line_remainder = 0; |
nkeynes@265 | 153 | pvr2_state.cycles_run = 0; |
nkeynes@133 | 154 | pvr2_state.irq_vpos1 = 0; |
nkeynes@133 | 155 | pvr2_state.irq_vpos2 = 0; |
nkeynes@265 | 156 | pvr2_state.dot_clock = PVR2_DOT_CLOCK; |
nkeynes@265 | 157 | pvr2_state.back_porch_ns = 4000; |
nkeynes@337 | 158 | pvr2_state.palette_changed = FALSE; |
nkeynes@265 | 159 | mmio_region_PVR2_write( DISP_TOTAL, 0x0270035F ); |
nkeynes@265 | 160 | mmio_region_PVR2_write( DISP_SYNCTIME, 0x07D6A53F ); |
nkeynes@284 | 161 | mmio_region_PVR2_write( YUV_ADDR, 0 ); |
nkeynes@284 | 162 | mmio_region_PVR2_write( YUV_CFG, 0 ); |
nkeynes@133 | 163 | |
nkeynes@133 | 164 | pvr2_ta_init(); |
nkeynes@133 | 165 | texcache_flush(); |
nkeynes@477 | 166 | if( display_driver ) { |
nkeynes@477 | 167 | display_driver->display_blank(0); |
nkeynes@477 | 168 | for( i=0; i<render_buffer_count; i++ ) { |
nkeynes@477 | 169 | display_driver->destroy_render_buffer(render_buffers[i]); |
nkeynes@477 | 170 | render_buffers[i] = NULL; |
nkeynes@477 | 171 | } |
nkeynes@477 | 172 | render_buffer_count = 0; |
nkeynes@477 | 173 | } |
nkeynes@133 | 174 | } |
nkeynes@133 | 175 | |
nkeynes@477 | 176 | void pvr2_save_render_buffer( FILE *f, render_buffer_t buffer ) |
nkeynes@477 | 177 | { |
nkeynes@477 | 178 | struct frame_buffer fbuf; |
nkeynes@477 | 179 | |
nkeynes@477 | 180 | fbuf.width = buffer->width; |
nkeynes@477 | 181 | fbuf.height = buffer->height; |
nkeynes@477 | 182 | fbuf.rowstride = fbuf.width*3; |
nkeynes@477 | 183 | fbuf.colour_format = COLFMT_BGR888; |
nkeynes@477 | 184 | fbuf.inverted = buffer->inverted; |
nkeynes@477 | 185 | fbuf.data = g_malloc0( buffer->width * buffer->height * 3 ); |
nkeynes@477 | 186 | |
nkeynes@477 | 187 | display_driver->read_render_buffer( fbuf.data, buffer, fbuf.rowstride, COLFMT_BGR888 ); |
nkeynes@477 | 188 | write_png_to_stream( f, &fbuf ); |
nkeynes@477 | 189 | g_free( fbuf.data ); |
nkeynes@477 | 190 | |
nkeynes@477 | 191 | fwrite( &buffer->rowstride, sizeof(buffer->rowstride), 1, f ); |
nkeynes@477 | 192 | fwrite( &buffer->colour_format, sizeof(buffer->colour_format), 1, f ); |
nkeynes@477 | 193 | fwrite( &buffer->address, sizeof(buffer->address), 1, f ); |
nkeynes@477 | 194 | fwrite( &buffer->scale, sizeof(buffer->scale), 1, f ); |
nkeynes@477 | 195 | fwrite( &buffer->flushed, sizeof(buffer->flushed), 1, f ); |
nkeynes@477 | 196 | |
nkeynes@477 | 197 | } |
nkeynes@477 | 198 | |
nkeynes@477 | 199 | render_buffer_t pvr2_load_render_buffer( FILE *f ) |
nkeynes@477 | 200 | { |
nkeynes@477 | 201 | frame_buffer_t frame = read_png_from_stream( f ); |
nkeynes@477 | 202 | if( frame == NULL ) { |
nkeynes@477 | 203 | return NULL; |
nkeynes@477 | 204 | } |
nkeynes@477 | 205 | |
nkeynes@477 | 206 | render_buffer_t buffer = pvr2_frame_buffer_to_render_buffer(frame); |
nkeynes@653 | 207 | if( buffer != NULL ) { |
nkeynes@653 | 208 | fread( &buffer->rowstride, sizeof(buffer->rowstride), 1, f ); |
nkeynes@653 | 209 | fread( &buffer->colour_format, sizeof(buffer->colour_format), 1, f ); |
nkeynes@653 | 210 | fread( &buffer->address, sizeof(buffer->address), 1, f ); |
nkeynes@653 | 211 | fread( &buffer->scale, sizeof(buffer->scale), 1, f ); |
nkeynes@653 | 212 | fread( &buffer->flushed, sizeof(buffer->flushed), 1, f ); |
nkeynes@653 | 213 | } else { |
nkeynes@653 | 214 | fseek( f, sizeof(buffer->rowstride)+sizeof(buffer->colour_format)+ |
nkeynes@653 | 215 | sizeof(buffer->address)+sizeof(buffer->scale)+ |
nkeynes@653 | 216 | sizeof(buffer->flushed), SEEK_CUR ); |
nkeynes@653 | 217 | } |
nkeynes@477 | 218 | return buffer; |
nkeynes@477 | 219 | } |
nkeynes@477 | 220 | |
nkeynes@477 | 221 | |
nkeynes@477 | 222 | |
nkeynes@477 | 223 | |
nkeynes@477 | 224 | void pvr2_save_render_buffers( FILE *f ) |
nkeynes@477 | 225 | { |
nkeynes@477 | 226 | int i; |
nkeynes@477 | 227 | fwrite( &render_buffer_count, sizeof(render_buffer_count), 1, f ); |
nkeynes@477 | 228 | if( displayed_render_buffer != NULL ) { |
nkeynes@477 | 229 | i = 1; |
nkeynes@477 | 230 | fwrite( &i, sizeof(i), 1, f ); |
nkeynes@477 | 231 | pvr2_save_render_buffer( f, displayed_render_buffer ); |
nkeynes@477 | 232 | } else { |
nkeynes@477 | 233 | i = 0; |
nkeynes@477 | 234 | fwrite( &i, sizeof(i), 1, f ); |
nkeynes@477 | 235 | } |
nkeynes@477 | 236 | |
nkeynes@477 | 237 | for( i=0; i<render_buffer_count; i++ ) { |
nkeynes@477 | 238 | if( render_buffers[i] != displayed_render_buffer && render_buffers[i] != NULL ) { |
nkeynes@477 | 239 | pvr2_save_render_buffer( f, render_buffers[i] ); |
nkeynes@477 | 240 | } |
nkeynes@477 | 241 | } |
nkeynes@477 | 242 | } |
nkeynes@477 | 243 | |
nkeynes@477 | 244 | gboolean pvr2_load_render_buffers( FILE *f ) |
nkeynes@477 | 245 | { |
nkeynes@477 | 246 | uint32_t count; |
nkeynes@477 | 247 | int i, has_frontbuffer; |
nkeynes@477 | 248 | |
nkeynes@477 | 249 | fread( &count, sizeof(count), 1, f ); |
nkeynes@511 | 250 | if( count > MAX_RENDER_BUFFERS ) { |
nkeynes@477 | 251 | return FALSE; |
nkeynes@477 | 252 | } |
nkeynes@477 | 253 | fread( &has_frontbuffer, sizeof(has_frontbuffer), 1, f ); |
nkeynes@477 | 254 | for( i=0; i<render_buffer_count; i++ ) { |
nkeynes@477 | 255 | display_driver->destroy_render_buffer(render_buffers[i]); |
nkeynes@477 | 256 | render_buffers[i] = NULL; |
nkeynes@477 | 257 | } |
nkeynes@477 | 258 | render_buffer_count = 0; |
nkeynes@477 | 259 | |
nkeynes@477 | 260 | if( has_frontbuffer ) { |
nkeynes@477 | 261 | displayed_render_buffer = pvr2_load_render_buffer(f); |
nkeynes@477 | 262 | display_driver->display_render_buffer( displayed_render_buffer ); |
nkeynes@477 | 263 | count--; |
nkeynes@477 | 264 | } |
nkeynes@477 | 265 | |
nkeynes@477 | 266 | for( i=0; i<count; i++ ) { |
nkeynes@653 | 267 | pvr2_load_render_buffer( f ); |
nkeynes@477 | 268 | } |
nkeynes@477 | 269 | return TRUE; |
nkeynes@477 | 270 | } |
nkeynes@477 | 271 | |
nkeynes@477 | 272 | |
nkeynes@133 | 273 | static void pvr2_save_state( FILE *f ) |
nkeynes@133 | 274 | { |
nkeynes@477 | 275 | pvr2_save_render_buffers( f ); |
nkeynes@133 | 276 | fwrite( &pvr2_state, sizeof(pvr2_state), 1, f ); |
nkeynes@193 | 277 | pvr2_ta_save_state( f ); |
nkeynes@295 | 278 | pvr2_yuv_save_state( f ); |
nkeynes@133 | 279 | } |
nkeynes@133 | 280 | |
nkeynes@133 | 281 | static int pvr2_load_state( FILE *f ) |
nkeynes@133 | 282 | { |
nkeynes@477 | 283 | if( !pvr2_load_render_buffers(f) ) |
nkeynes@477 | 284 | return 1; |
nkeynes@153 | 285 | if( fread( &pvr2_state, sizeof(pvr2_state), 1, f ) != 1 ) |
nkeynes@153 | 286 | return 1; |
nkeynes@295 | 287 | if( pvr2_ta_load_state(f) ) { |
nkeynes@295 | 288 | return 1; |
nkeynes@295 | 289 | } |
nkeynes@295 | 290 | return pvr2_yuv_load_state(f); |
nkeynes@133 | 291 | } |
nkeynes@133 | 292 | |
nkeynes@265 | 293 | /** |
nkeynes@265 | 294 | * Update the current raster position to the given number of nanoseconds, |
nkeynes@265 | 295 | * relative to the last time slice. (ie the raster will be adjusted forward |
nkeynes@265 | 296 | * by nanosecs - nanosecs_already_run_this_timeslice) |
nkeynes@265 | 297 | */ |
nkeynes@265 | 298 | static void pvr2_update_raster_posn( uint32_t nanosecs ) |
nkeynes@265 | 299 | { |
nkeynes@265 | 300 | uint32_t old_line_count = pvr2_state.line_count; |
nkeynes@265 | 301 | if( pvr2_state.line_time_ns == 0 ) { |
nkeynes@265 | 302 | return; /* do nothing */ |
nkeynes@265 | 303 | } |
nkeynes@265 | 304 | pvr2_state.line_remainder += (nanosecs - pvr2_state.cycles_run); |
nkeynes@265 | 305 | pvr2_state.cycles_run = nanosecs; |
nkeynes@265 | 306 | while( pvr2_state.line_remainder >= pvr2_state.line_time_ns ) { |
nkeynes@265 | 307 | pvr2_state.line_count ++; |
nkeynes@265 | 308 | pvr2_state.line_remainder -= pvr2_state.line_time_ns; |
nkeynes@265 | 309 | } |
nkeynes@265 | 310 | |
nkeynes@265 | 311 | if( pvr2_state.line_count >= pvr2_state.total_lines ) { |
nkeynes@265 | 312 | pvr2_state.line_count -= pvr2_state.total_lines; |
nkeynes@265 | 313 | if( pvr2_state.interlaced ) { |
nkeynes@265 | 314 | pvr2_state.odd_even_field = !pvr2_state.odd_even_field; |
nkeynes@265 | 315 | } |
nkeynes@265 | 316 | } |
nkeynes@265 | 317 | if( pvr2_state.line_count >= pvr2_state.retrace_end_line && |
nkeynes@265 | 318 | (old_line_count < pvr2_state.retrace_end_line || |
nkeynes@265 | 319 | old_line_count > pvr2_state.line_count) ) { |
nkeynes@337 | 320 | pvr2_state.frame_count++; |
nkeynes@265 | 321 | pvr2_display_frame(); |
nkeynes@265 | 322 | } |
nkeynes@265 | 323 | } |
nkeynes@265 | 324 | |
nkeynes@133 | 325 | static uint32_t pvr2_run_slice( uint32_t nanosecs ) |
nkeynes@133 | 326 | { |
nkeynes@265 | 327 | pvr2_update_raster_posn( nanosecs ); |
nkeynes@265 | 328 | pvr2_state.cycles_run = 0; |
nkeynes@133 | 329 | return nanosecs; |
nkeynes@133 | 330 | } |
nkeynes@133 | 331 | |
nkeynes@133 | 332 | int pvr2_get_frame_count() |
nkeynes@133 | 333 | { |
nkeynes@133 | 334 | return pvr2_state.frame_count; |
nkeynes@106 | 335 | } |
nkeynes@106 | 336 | |
nkeynes@477 | 337 | render_buffer_t pvr2_get_front_buffer() |
nkeynes@477 | 338 | { |
nkeynes@477 | 339 | return displayed_render_buffer; |
nkeynes@477 | 340 | } |
nkeynes@477 | 341 | |
nkeynes@545 | 342 | uint32_t pvr2_get_border_colour() |
nkeynes@545 | 343 | { |
nkeynes@545 | 344 | return displayed_border_colour; |
nkeynes@545 | 345 | } |
nkeynes@545 | 346 | |
nkeynes@295 | 347 | gboolean pvr2_save_next_scene( const gchar *filename ) |
nkeynes@295 | 348 | { |
nkeynes@295 | 349 | if( pvr2_state.save_next_render_filename != NULL ) { |
nkeynes@295 | 350 | g_free( pvr2_state.save_next_render_filename ); |
nkeynes@295 | 351 | } |
nkeynes@295 | 352 | pvr2_state.save_next_render_filename = g_strdup(filename); |
nkeynes@295 | 353 | return TRUE; |
nkeynes@295 | 354 | } |
nkeynes@295 | 355 | |
nkeynes@295 | 356 | |
nkeynes@295 | 357 | |
nkeynes@103 | 358 | /** |
nkeynes@1 | 359 | * Display the next frame, copying the current contents of video ram to |
nkeynes@1 | 360 | * the window. If the video configuration has changed, first recompute the |
nkeynes@1 | 361 | * new frame size/depth. |
nkeynes@1 | 362 | */ |
nkeynes@94 | 363 | void pvr2_display_frame( void ) |
nkeynes@1 | 364 | { |
nkeynes@197 | 365 | int dispmode = MMIO_READ( PVR2, DISP_MODE ); |
nkeynes@261 | 366 | int vidcfg = MMIO_READ( PVR2, DISP_SYNCCFG ); |
nkeynes@335 | 367 | gboolean bEnabled = (dispmode & DISPMODE_ENABLE) && (vidcfg & DISPCFG_VO ) ? TRUE : FALSE; |
nkeynes@352 | 368 | |
nkeynes@352 | 369 | if( display_driver == NULL ) { |
nkeynes@352 | 370 | return; /* can't really do anything much */ |
nkeynes@352 | 371 | } else if( !bEnabled ) { |
nkeynes@352 | 372 | /* Output disabled == black */ |
nkeynes@545 | 373 | displayed_render_buffer = NULL; |
nkeynes@545 | 374 | displayed_border_colour = 0; |
nkeynes@352 | 375 | display_driver->display_blank( 0 ); |
nkeynes@352 | 376 | } else if( MMIO_READ( PVR2, DISP_CFG2 ) & 0x08 ) { |
nkeynes@352 | 377 | /* Enabled but blanked - border colour */ |
nkeynes@545 | 378 | displayed_border_colour = MMIO_READ( PVR2, DISP_BORDER ); |
nkeynes@441 | 379 | displayed_render_buffer = NULL; |
nkeynes@545 | 380 | display_driver->display_blank( displayed_border_colour ); |
nkeynes@352 | 381 | } else { |
nkeynes@352 | 382 | /* Real output - determine dimensions etc */ |
nkeynes@352 | 383 | struct frame_buffer fbuf; |
nkeynes@352 | 384 | uint32_t dispsize = MMIO_READ( PVR2, DISP_SIZE ); |
nkeynes@352 | 385 | int vid_stride = (((dispsize & DISPSIZE_MODULO) >> 20) - 1); |
nkeynes@352 | 386 | int vid_ppl = ((dispsize & DISPSIZE_PPL)) + 1; |
nkeynes@352 | 387 | |
nkeynes@352 | 388 | fbuf.colour_format = output_colour_formats[(dispmode & DISPMODE_COLFMT) >> 2]; |
nkeynes@352 | 389 | fbuf.width = vid_ppl << 2 / colour_formats[fbuf.colour_format].bpp; |
nkeynes@352 | 390 | fbuf.height = ((dispsize & DISPSIZE_LPF) >> 10) + 1; |
nkeynes@352 | 391 | fbuf.size = vid_ppl << 2 * fbuf.height; |
nkeynes@352 | 392 | fbuf.rowstride = (vid_ppl + vid_stride) << 2; |
nkeynes@352 | 393 | |
nkeynes@352 | 394 | /* Determine the field to display, and deinterlace if possible */ |
nkeynes@352 | 395 | if( pvr2_state.interlaced ) { |
nkeynes@352 | 396 | if( vid_ppl == vid_stride ) { /* Magic deinterlace */ |
nkeynes@352 | 397 | fbuf.height = fbuf.height << 1; |
nkeynes@352 | 398 | fbuf.rowstride = vid_ppl << 2; |
nkeynes@352 | 399 | fbuf.address = MMIO_READ( PVR2, DISP_ADDR1 ); |
nkeynes@352 | 400 | } else { |
nkeynes@352 | 401 | /* Just display the field as is, folks. This is slightly tricky - |
nkeynes@352 | 402 | * we pick the field based on which frame is about to come through, |
nkeynes@352 | 403 | * which may not be the same as the odd_even_field. |
nkeynes@352 | 404 | */ |
nkeynes@352 | 405 | gboolean oddfield = pvr2_state.odd_even_field; |
nkeynes@352 | 406 | if( pvr2_state.line_count >= pvr2_state.retrace_start_line ) { |
nkeynes@352 | 407 | oddfield = !oddfield; |
nkeynes@352 | 408 | } |
nkeynes@352 | 409 | if( oddfield ) { |
nkeynes@352 | 410 | fbuf.address = MMIO_READ( PVR2, DISP_ADDR1 ); |
nkeynes@352 | 411 | } else { |
nkeynes@352 | 412 | fbuf.address = MMIO_READ( PVR2, DISP_ADDR2 ); |
nkeynes@352 | 413 | } |
nkeynes@337 | 414 | } |
nkeynes@352 | 415 | } else { |
nkeynes@352 | 416 | fbuf.address = MMIO_READ( PVR2, DISP_ADDR1 ); |
nkeynes@335 | 417 | } |
nkeynes@352 | 418 | fbuf.address = (fbuf.address & 0x00FFFFFF) + PVR2_RAM_BASE; |
nkeynes@477 | 419 | fbuf.inverted = FALSE; |
nkeynes@477 | 420 | fbuf.data = video_base + (fbuf.address&0x00FFFFFF); |
nkeynes@352 | 421 | |
nkeynes@352 | 422 | render_buffer_t rbuf = pvr2_get_render_buffer( &fbuf ); |
nkeynes@477 | 423 | if( rbuf == NULL ) { |
nkeynes@477 | 424 | rbuf = pvr2_frame_buffer_to_render_buffer( &fbuf ); |
nkeynes@477 | 425 | } |
nkeynes@441 | 426 | displayed_render_buffer = rbuf; |
nkeynes@352 | 427 | if( rbuf != NULL ) { |
nkeynes@352 | 428 | display_driver->display_render_buffer( rbuf ); |
nkeynes@65 | 429 | } |
nkeynes@1 | 430 | } |
nkeynes@1 | 431 | } |
nkeynes@1 | 432 | |
nkeynes@197 | 433 | /** |
nkeynes@197 | 434 | * This has to handle every single register individually as they all get masked |
nkeynes@197 | 435 | * off differently (and its easier to do it at write time) |
nkeynes@197 | 436 | */ |
nkeynes@1 | 437 | void mmio_region_PVR2_write( uint32_t reg, uint32_t val ) |
nkeynes@1 | 438 | { |
nkeynes@1 | 439 | if( reg >= 0x200 && reg < 0x600 ) { /* Fog table */ |
nkeynes@1 | 440 | MMIO_WRITE( PVR2, reg, val ); |
nkeynes@1 | 441 | return; |
nkeynes@1 | 442 | } |
nkeynes@1 | 443 | |
nkeynes@1 | 444 | switch(reg) { |
nkeynes@189 | 445 | case PVRID: |
nkeynes@189 | 446 | case PVRVER: |
nkeynes@261 | 447 | case GUNPOS: /* Read only registers */ |
nkeynes@189 | 448 | break; |
nkeynes@197 | 449 | case PVRRESET: |
nkeynes@197 | 450 | val &= 0x00000007; /* Do stuff? */ |
nkeynes@197 | 451 | MMIO_WRITE( PVR2, reg, val ); |
nkeynes@197 | 452 | break; |
nkeynes@295 | 453 | case RENDER_START: /* Don't really care what value */ |
nkeynes@295 | 454 | if( pvr2_state.save_next_render_filename != NULL ) { |
nkeynes@295 | 455 | if( pvr2_render_save_scene(pvr2_state.save_next_render_filename) == 0 ) { |
nkeynes@295 | 456 | INFO( "Saved scene to %s", pvr2_state.save_next_render_filename); |
nkeynes@295 | 457 | } |
nkeynes@295 | 458 | g_free( pvr2_state.save_next_render_filename ); |
nkeynes@295 | 459 | pvr2_state.save_next_render_filename = NULL; |
nkeynes@295 | 460 | } |
nkeynes@653 | 461 | pvr2_scene_read(); |
nkeynes@352 | 462 | render_buffer_t buffer = pvr2_next_render_buffer(); |
nkeynes@373 | 463 | if( buffer != NULL ) { |
nkeynes@653 | 464 | pvr2_scene_render( buffer ); |
nkeynes@373 | 465 | } |
nkeynes@352 | 466 | asic_event( EVENT_PVR_RENDER_DONE ); |
nkeynes@189 | 467 | break; |
nkeynes@191 | 468 | case RENDER_POLYBASE: |
nkeynes@191 | 469 | MMIO_WRITE( PVR2, reg, val&0x00F00000 ); |
nkeynes@191 | 470 | break; |
nkeynes@191 | 471 | case RENDER_TSPCFG: |
nkeynes@191 | 472 | MMIO_WRITE( PVR2, reg, val&0x00010101 ); |
nkeynes@191 | 473 | break; |
nkeynes@197 | 474 | case DISP_BORDER: |
nkeynes@191 | 475 | MMIO_WRITE( PVR2, reg, val&0x01FFFFFF ); |
nkeynes@191 | 476 | break; |
nkeynes@197 | 477 | case DISP_MODE: |
nkeynes@191 | 478 | MMIO_WRITE( PVR2, reg, val&0x00FFFF7F ); |
nkeynes@191 | 479 | break; |
nkeynes@191 | 480 | case RENDER_MODE: |
nkeynes@191 | 481 | MMIO_WRITE( PVR2, reg, val&0x00FFFF0F ); |
nkeynes@191 | 482 | break; |
nkeynes@191 | 483 | case RENDER_SIZE: |
nkeynes@191 | 484 | MMIO_WRITE( PVR2, reg, val&0x000001FF ); |
nkeynes@191 | 485 | break; |
nkeynes@197 | 486 | case DISP_ADDR1: |
nkeynes@189 | 487 | val &= 0x00FFFFFC; |
nkeynes@189 | 488 | MMIO_WRITE( PVR2, reg, val ); |
nkeynes@265 | 489 | pvr2_update_raster_posn(sh4r.slice_cycle); |
nkeynes@108 | 490 | break; |
nkeynes@197 | 491 | case DISP_ADDR2: |
nkeynes@191 | 492 | MMIO_WRITE( PVR2, reg, val&0x00FFFFFC ); |
nkeynes@337 | 493 | pvr2_update_raster_posn(sh4r.slice_cycle); |
nkeynes@191 | 494 | break; |
nkeynes@197 | 495 | case DISP_SIZE: |
nkeynes@191 | 496 | MMIO_WRITE( PVR2, reg, val&0x3FFFFFFF ); |
nkeynes@191 | 497 | break; |
nkeynes@191 | 498 | case RENDER_ADDR1: |
nkeynes@191 | 499 | case RENDER_ADDR2: |
nkeynes@191 | 500 | MMIO_WRITE( PVR2, reg, val&0x01FFFFFC ); |
nkeynes@191 | 501 | break; |
nkeynes@191 | 502 | case RENDER_HCLIP: |
nkeynes@191 | 503 | MMIO_WRITE( PVR2, reg, val&0x07FF07FF ); |
nkeynes@189 | 504 | break; |
nkeynes@191 | 505 | case RENDER_VCLIP: |
nkeynes@191 | 506 | MMIO_WRITE( PVR2, reg, val&0x03FF03FF ); |
nkeynes@189 | 507 | break; |
nkeynes@197 | 508 | case DISP_HPOSIRQ: |
nkeynes@191 | 509 | MMIO_WRITE( PVR2, reg, val&0x03FF33FF ); |
nkeynes@304 | 510 | pvr2_state.irq_hpos_line = val & 0x03FF; |
nkeynes@304 | 511 | pvr2_state.irq_hpos_time_ns = 2000000*((val>>16)&0x03FF)/pvr2_state.dot_clock; |
nkeynes@304 | 512 | pvr2_state.irq_hpos_mode = (val >> 12) & 0x03; |
nkeynes@304 | 513 | switch( pvr2_state.irq_hpos_mode ) { |
nkeynes@304 | 514 | case 3: /* Reserved - treat as 0 */ |
nkeynes@304 | 515 | case 0: /* Once per frame at specified line */ |
nkeynes@304 | 516 | pvr2_state.irq_hpos_mode = HPOS_PER_FRAME; |
nkeynes@304 | 517 | break; |
nkeynes@304 | 518 | case 2: /* Once per line - as per-line-count */ |
nkeynes@304 | 519 | pvr2_state.irq_hpos_line = 1; |
nkeynes@304 | 520 | pvr2_state.irq_hpos_mode = 1; |
nkeynes@304 | 521 | case 1: /* Once per N lines */ |
nkeynes@304 | 522 | pvr2_state.irq_hpos_line_count = pvr2_state.irq_hpos_line; |
nkeynes@304 | 523 | pvr2_state.irq_hpos_line = (pvr2_state.line_count >> 1) + |
nkeynes@304 | 524 | pvr2_state.irq_hpos_line_count; |
nkeynes@304 | 525 | while( pvr2_state.irq_hpos_line > (pvr2_state.total_lines>>1) ) { |
nkeynes@304 | 526 | pvr2_state.irq_hpos_line -= (pvr2_state.total_lines>>1); |
nkeynes@304 | 527 | } |
nkeynes@304 | 528 | pvr2_state.irq_hpos_mode = HPOS_PER_LINECOUNT; |
nkeynes@304 | 529 | } |
nkeynes@304 | 530 | pvr2_schedule_scanline_event( EVENT_HPOS, pvr2_state.irq_hpos_line, 0, |
nkeynes@304 | 531 | pvr2_state.irq_hpos_time_ns ); |
nkeynes@189 | 532 | break; |
nkeynes@197 | 533 | case DISP_VPOSIRQ: |
nkeynes@189 | 534 | val = val & 0x03FF03FF; |
nkeynes@189 | 535 | pvr2_state.irq_vpos1 = (val >> 16); |
nkeynes@133 | 536 | pvr2_state.irq_vpos2 = val & 0x03FF; |
nkeynes@265 | 537 | pvr2_update_raster_posn(sh4r.slice_cycle); |
nkeynes@304 | 538 | pvr2_schedule_scanline_event( EVENT_SCANLINE1, pvr2_state.irq_vpos1, 0, 0 ); |
nkeynes@304 | 539 | pvr2_schedule_scanline_event( EVENT_SCANLINE2, pvr2_state.irq_vpos2, 0, 0 ); |
nkeynes@189 | 540 | MMIO_WRITE( PVR2, reg, val ); |
nkeynes@103 | 541 | break; |
nkeynes@197 | 542 | case RENDER_NEARCLIP: |
nkeynes@197 | 543 | MMIO_WRITE( PVR2, reg, val & 0x7FFFFFFF ); |
nkeynes@197 | 544 | break; |
nkeynes@191 | 545 | case RENDER_SHADOW: |
nkeynes@191 | 546 | MMIO_WRITE( PVR2, reg, val&0x000001FF ); |
nkeynes@191 | 547 | break; |
nkeynes@191 | 548 | case RENDER_OBJCFG: |
nkeynes@191 | 549 | MMIO_WRITE( PVR2, reg, val&0x003FFFFF ); |
nkeynes@191 | 550 | break; |
nkeynes@191 | 551 | case RENDER_TSPCLIP: |
nkeynes@191 | 552 | MMIO_WRITE( PVR2, reg, val&0x7FFFFFFF ); |
nkeynes@191 | 553 | break; |
nkeynes@197 | 554 | case RENDER_FARCLIP: |
nkeynes@197 | 555 | MMIO_WRITE( PVR2, reg, val&0xFFFFFFF0 ); |
nkeynes@197 | 556 | break; |
nkeynes@191 | 557 | case RENDER_BGPLANE: |
nkeynes@191 | 558 | MMIO_WRITE( PVR2, reg, val&0x1FFFFFFF ); |
nkeynes@191 | 559 | break; |
nkeynes@191 | 560 | case RENDER_ISPCFG: |
nkeynes@191 | 561 | MMIO_WRITE( PVR2, reg, val&0x00FFFFF9 ); |
nkeynes@191 | 562 | break; |
nkeynes@197 | 563 | case VRAM_CFG1: |
nkeynes@197 | 564 | MMIO_WRITE( PVR2, reg, val&0x000000FF ); |
nkeynes@197 | 565 | break; |
nkeynes@197 | 566 | case VRAM_CFG2: |
nkeynes@197 | 567 | MMIO_WRITE( PVR2, reg, val&0x003FFFFF ); |
nkeynes@197 | 568 | break; |
nkeynes@197 | 569 | case VRAM_CFG3: |
nkeynes@197 | 570 | MMIO_WRITE( PVR2, reg, val&0x1FFFFFFF ); |
nkeynes@197 | 571 | break; |
nkeynes@197 | 572 | case RENDER_FOGTBLCOL: |
nkeynes@197 | 573 | case RENDER_FOGVRTCOL: |
nkeynes@197 | 574 | MMIO_WRITE( PVR2, reg, val&0x00FFFFFF ); |
nkeynes@197 | 575 | break; |
nkeynes@197 | 576 | case RENDER_FOGCOEFF: |
nkeynes@197 | 577 | MMIO_WRITE( PVR2, reg, val&0x0000FFFF ); |
nkeynes@197 | 578 | break; |
nkeynes@197 | 579 | case RENDER_CLAMPHI: |
nkeynes@197 | 580 | case RENDER_CLAMPLO: |
nkeynes@197 | 581 | MMIO_WRITE( PVR2, reg, val ); |
nkeynes@197 | 582 | break; |
nkeynes@261 | 583 | case RENDER_TEXSIZE: |
nkeynes@261 | 584 | MMIO_WRITE( PVR2, reg, val&0x00031F1F ); |
nkeynes@197 | 585 | break; |
nkeynes@261 | 586 | case RENDER_PALETTE: |
nkeynes@261 | 587 | MMIO_WRITE( PVR2, reg, val&0x00000003 ); |
nkeynes@261 | 588 | break; |
nkeynes@653 | 589 | case RENDER_ALPHA_REF: |
nkeynes@653 | 590 | MMIO_WRITE( PVR2, reg, val&0x000000FF ); |
nkeynes@653 | 591 | break; |
nkeynes@261 | 592 | /********** CRTC registers *************/ |
nkeynes@197 | 593 | case DISP_HBORDER: |
nkeynes@197 | 594 | case DISP_VBORDER: |
nkeynes@197 | 595 | MMIO_WRITE( PVR2, reg, val&0x03FF03FF ); |
nkeynes@197 | 596 | break; |
nkeynes@261 | 597 | case DISP_TOTAL: |
nkeynes@261 | 598 | val = val & 0x03FF03FF; |
nkeynes@261 | 599 | MMIO_WRITE( PVR2, reg, val ); |
nkeynes@265 | 600 | pvr2_update_raster_posn(sh4r.slice_cycle); |
nkeynes@261 | 601 | pvr2_state.total_lines = (val >> 16) + 1; |
nkeynes@261 | 602 | pvr2_state.line_size = (val & 0x03FF) + 1; |
nkeynes@261 | 603 | pvr2_state.line_time_ns = 1000000 * pvr2_state.line_size / pvr2_state.dot_clock; |
nkeynes@265 | 604 | pvr2_state.retrace_end_line = 0x2A; |
nkeynes@265 | 605 | pvr2_state.retrace_start_line = pvr2_state.total_lines - 6; |
nkeynes@304 | 606 | pvr2_schedule_scanline_event( EVENT_SCANLINE1, pvr2_state.irq_vpos1, 0, 0 ); |
nkeynes@304 | 607 | pvr2_schedule_scanline_event( EVENT_SCANLINE2, pvr2_state.irq_vpos2, 0, 0 ); |
nkeynes@304 | 608 | pvr2_schedule_scanline_event( EVENT_HPOS, pvr2_state.irq_hpos_line, 0, |
nkeynes@304 | 609 | pvr2_state.irq_hpos_time_ns ); |
nkeynes@261 | 610 | break; |
nkeynes@261 | 611 | case DISP_SYNCCFG: |
nkeynes@261 | 612 | MMIO_WRITE( PVR2, reg, val&0x000003FF ); |
nkeynes@261 | 613 | pvr2_state.interlaced = (val & 0x0010) ? TRUE : FALSE; |
nkeynes@261 | 614 | break; |
nkeynes@261 | 615 | case DISP_SYNCTIME: |
nkeynes@261 | 616 | pvr2_state.vsync_lines = (val >> 8) & 0x0F; |
nkeynes@269 | 617 | pvr2_state.hsync_width_ns = ((val & 0x7F) + 1) * 2000000 / pvr2_state.dot_clock; |
nkeynes@197 | 618 | MMIO_WRITE( PVR2, reg, val&0xFFFFFF7F ); |
nkeynes@197 | 619 | break; |
nkeynes@197 | 620 | case DISP_CFG2: |
nkeynes@197 | 621 | MMIO_WRITE( PVR2, reg, val&0x003F01FF ); |
nkeynes@197 | 622 | break; |
nkeynes@197 | 623 | case DISP_HPOS: |
nkeynes@261 | 624 | val = val & 0x03FF; |
nkeynes@261 | 625 | pvr2_state.front_porch_ns = (val + 1) * 1000000 / pvr2_state.dot_clock; |
nkeynes@261 | 626 | MMIO_WRITE( PVR2, reg, val ); |
nkeynes@197 | 627 | break; |
nkeynes@197 | 628 | case DISP_VPOS: |
nkeynes@197 | 629 | MMIO_WRITE( PVR2, reg, val&0x03FF03FF ); |
nkeynes@197 | 630 | break; |
nkeynes@261 | 631 | |
nkeynes@261 | 632 | /*********** Tile accelerator registers ***********/ |
nkeynes@261 | 633 | case TA_POLYPOS: |
nkeynes@261 | 634 | case TA_LISTPOS: |
nkeynes@261 | 635 | /* Readonly registers */ |
nkeynes@197 | 636 | break; |
nkeynes@189 | 637 | case TA_TILEBASE: |
nkeynes@193 | 638 | case TA_LISTEND: |
nkeynes@189 | 639 | case TA_LISTBASE: |
nkeynes@191 | 640 | MMIO_WRITE( PVR2, reg, val&0x00FFFFE0 ); |
nkeynes@189 | 641 | break; |
nkeynes@191 | 642 | case RENDER_TILEBASE: |
nkeynes@189 | 643 | case TA_POLYBASE: |
nkeynes@189 | 644 | case TA_POLYEND: |
nkeynes@191 | 645 | MMIO_WRITE( PVR2, reg, val&0x00FFFFFC ); |
nkeynes@189 | 646 | break; |
nkeynes@189 | 647 | case TA_TILESIZE: |
nkeynes@191 | 648 | MMIO_WRITE( PVR2, reg, val&0x000F003F ); |
nkeynes@189 | 649 | break; |
nkeynes@189 | 650 | case TA_TILECFG: |
nkeynes@191 | 651 | MMIO_WRITE( PVR2, reg, val&0x00133333 ); |
nkeynes@189 | 652 | break; |
nkeynes@261 | 653 | case TA_INIT: |
nkeynes@261 | 654 | if( val & 0x80000000 ) |
nkeynes@261 | 655 | pvr2_ta_init(); |
nkeynes@261 | 656 | break; |
nkeynes@261 | 657 | case TA_REINIT: |
nkeynes@261 | 658 | break; |
nkeynes@261 | 659 | /**************** Scaler registers? ****************/ |
nkeynes@335 | 660 | case RENDER_SCALER: |
nkeynes@261 | 661 | MMIO_WRITE( PVR2, reg, val&0x0007FFFF ); |
nkeynes@261 | 662 | break; |
nkeynes@261 | 663 | |
nkeynes@197 | 664 | case YUV_ADDR: |
nkeynes@284 | 665 | val = val & 0x00FFFFF8; |
nkeynes@284 | 666 | MMIO_WRITE( PVR2, reg, val ); |
nkeynes@284 | 667 | pvr2_yuv_init( val ); |
nkeynes@197 | 668 | break; |
nkeynes@197 | 669 | case YUV_CFG: |
nkeynes@197 | 670 | MMIO_WRITE( PVR2, reg, val&0x01013F3F ); |
nkeynes@284 | 671 | pvr2_yuv_set_config(val); |
nkeynes@197 | 672 | break; |
nkeynes@261 | 673 | |
nkeynes@261 | 674 | /**************** Unknowns ***************/ |
nkeynes@261 | 675 | case PVRUNK1: |
nkeynes@261 | 676 | MMIO_WRITE( PVR2, reg, val&0x000007FF ); |
nkeynes@261 | 677 | break; |
nkeynes@261 | 678 | case PVRUNK2: |
nkeynes@261 | 679 | MMIO_WRITE( PVR2, reg, val&0x00000007 ); |
nkeynes@100 | 680 | break; |
nkeynes@261 | 681 | case PVRUNK3: |
nkeynes@261 | 682 | MMIO_WRITE( PVR2, reg, val&0x000FFF3F ); |
nkeynes@261 | 683 | break; |
nkeynes@261 | 684 | case PVRUNK5: |
nkeynes@261 | 685 | MMIO_WRITE( PVR2, reg, val&0x0000FFFF ); |
nkeynes@261 | 686 | break; |
nkeynes@197 | 687 | case PVRUNK7: |
nkeynes@197 | 688 | MMIO_WRITE( PVR2, reg, val&0x00000001 ); |
nkeynes@197 | 689 | break; |
nkeynes@1 | 690 | } |
nkeynes@1 | 691 | } |
nkeynes@1 | 692 | |
nkeynes@261 | 693 | /** |
nkeynes@261 | 694 | * Calculate the current read value of the syncstat register, using |
nkeynes@261 | 695 | * the current SH4 clock time as an offset from the last timeslice. |
nkeynes@261 | 696 | * The register reads (LSB to MSB) as: |
nkeynes@261 | 697 | * 0..9 Current scan line |
nkeynes@261 | 698 | * 10 Odd/even field (1 = odd, 0 = even) |
nkeynes@261 | 699 | * 11 Display active (including border and overscan) |
nkeynes@261 | 700 | * 12 Horizontal sync off |
nkeynes@261 | 701 | * 13 Vertical sync off |
nkeynes@261 | 702 | * Note this method is probably incorrect for anything other than straight |
nkeynes@265 | 703 | * interlaced PAL/NTSC, and needs further testing. |
nkeynes@261 | 704 | */ |
nkeynes@261 | 705 | uint32_t pvr2_get_sync_status() |
nkeynes@261 | 706 | { |
nkeynes@265 | 707 | pvr2_update_raster_posn(sh4r.slice_cycle); |
nkeynes@265 | 708 | uint32_t result = pvr2_state.line_count; |
nkeynes@261 | 709 | |
nkeynes@265 | 710 | if( pvr2_state.odd_even_field ) { |
nkeynes@261 | 711 | result |= 0x0400; |
nkeynes@261 | 712 | } |
nkeynes@265 | 713 | if( (pvr2_state.line_count & 0x01) == pvr2_state.odd_even_field ) { |
nkeynes@265 | 714 | if( pvr2_state.line_remainder > pvr2_state.hsync_width_ns ) { |
nkeynes@261 | 715 | result |= 0x1000; /* !HSYNC */ |
nkeynes@261 | 716 | } |
nkeynes@265 | 717 | if( pvr2_state.line_count >= pvr2_state.vsync_lines ) { |
nkeynes@265 | 718 | if( pvr2_state.line_remainder > pvr2_state.front_porch_ns ) { |
nkeynes@261 | 719 | result |= 0x2800; /* Display active */ |
nkeynes@261 | 720 | } else { |
nkeynes@261 | 721 | result |= 0x2000; /* Front porch */ |
nkeynes@261 | 722 | } |
nkeynes@261 | 723 | } |
nkeynes@261 | 724 | } else { |
nkeynes@269 | 725 | if( pvr2_state.line_count >= pvr2_state.vsync_lines ) { |
nkeynes@269 | 726 | if( pvr2_state.line_remainder < (pvr2_state.line_time_ns - pvr2_state.back_porch_ns)) { |
nkeynes@269 | 727 | result |= 0x3800; /* Display active */ |
nkeynes@269 | 728 | } else { |
nkeynes@269 | 729 | result |= 0x3000; |
nkeynes@269 | 730 | } |
nkeynes@261 | 731 | } else { |
nkeynes@261 | 732 | result |= 0x1000; /* Back porch */ |
nkeynes@261 | 733 | } |
nkeynes@261 | 734 | } |
nkeynes@261 | 735 | return result; |
nkeynes@261 | 736 | } |
nkeynes@261 | 737 | |
nkeynes@265 | 738 | /** |
nkeynes@265 | 739 | * Schedule a "scanline" event. This actually goes off at |
nkeynes@265 | 740 | * 2 * line in even fields and 2 * line + 1 in odd fields. |
nkeynes@265 | 741 | * Otherwise this behaves as per pvr2_schedule_line_event(). |
nkeynes@265 | 742 | * The raster position should be updated before calling this |
nkeynes@265 | 743 | * method. |
nkeynes@304 | 744 | * @param eventid Event to fire at the specified time |
nkeynes@304 | 745 | * @param line Line on which to fire the event (this is 2n/2n+1 for interlaced |
nkeynes@304 | 746 | * displays). |
nkeynes@304 | 747 | * @param hpos_ns Nanoseconds into the line at which to fire. |
nkeynes@265 | 748 | */ |
nkeynes@304 | 749 | static void pvr2_schedule_scanline_event( int eventid, int line, int minimum_lines, int hpos_ns ) |
nkeynes@265 | 750 | { |
nkeynes@265 | 751 | uint32_t field = pvr2_state.odd_even_field; |
nkeynes@265 | 752 | if( line <= pvr2_state.line_count && pvr2_state.interlaced ) { |
nkeynes@265 | 753 | field = !field; |
nkeynes@265 | 754 | } |
nkeynes@304 | 755 | if( hpos_ns > pvr2_state.line_time_ns ) { |
nkeynes@304 | 756 | hpos_ns = pvr2_state.line_time_ns; |
nkeynes@304 | 757 | } |
nkeynes@265 | 758 | |
nkeynes@265 | 759 | line <<= 1; |
nkeynes@265 | 760 | if( field ) { |
nkeynes@265 | 761 | line += 1; |
nkeynes@265 | 762 | } |
nkeynes@274 | 763 | |
nkeynes@274 | 764 | if( line < pvr2_state.total_lines ) { |
nkeynes@274 | 765 | uint32_t lines; |
nkeynes@274 | 766 | uint32_t time; |
nkeynes@274 | 767 | if( line <= pvr2_state.line_count ) { |
nkeynes@274 | 768 | lines = (pvr2_state.total_lines - pvr2_state.line_count + line); |
nkeynes@274 | 769 | } else { |
nkeynes@274 | 770 | lines = (line - pvr2_state.line_count); |
nkeynes@274 | 771 | } |
nkeynes@274 | 772 | if( lines <= minimum_lines ) { |
nkeynes@274 | 773 | lines += pvr2_state.total_lines; |
nkeynes@274 | 774 | } |
nkeynes@304 | 775 | time = (lines * pvr2_state.line_time_ns) - pvr2_state.line_remainder + hpos_ns; |
nkeynes@274 | 776 | event_schedule( eventid, time ); |
nkeynes@274 | 777 | } else { |
nkeynes@274 | 778 | event_cancel( eventid ); |
nkeynes@274 | 779 | } |
nkeynes@265 | 780 | } |
nkeynes@265 | 781 | |
nkeynes@1 | 782 | MMIO_REGION_READ_FN( PVR2, reg ) |
nkeynes@1 | 783 | { |
nkeynes@1 | 784 | switch( reg ) { |
nkeynes@261 | 785 | case DISP_SYNCSTAT: |
nkeynes@261 | 786 | return pvr2_get_sync_status(); |
nkeynes@1 | 787 | default: |
nkeynes@1 | 788 | return MMIO_READ( PVR2, reg ); |
nkeynes@1 | 789 | } |
nkeynes@1 | 790 | } |
nkeynes@19 | 791 | |
nkeynes@337 | 792 | MMIO_REGION_WRITE_FN( PVR2PAL, reg, val ) |
nkeynes@337 | 793 | { |
nkeynes@337 | 794 | MMIO_WRITE( PVR2PAL, reg, val ); |
nkeynes@337 | 795 | pvr2_state.palette_changed = TRUE; |
nkeynes@337 | 796 | } |
nkeynes@337 | 797 | |
nkeynes@337 | 798 | void pvr2_check_palette_changed() |
nkeynes@337 | 799 | { |
nkeynes@337 | 800 | if( pvr2_state.palette_changed ) { |
nkeynes@337 | 801 | texcache_invalidate_palette(); |
nkeynes@337 | 802 | pvr2_state.palette_changed = FALSE; |
nkeynes@337 | 803 | } |
nkeynes@337 | 804 | } |
nkeynes@337 | 805 | |
nkeynes@337 | 806 | MMIO_REGION_READ_DEFFN( PVR2PAL ); |
nkeynes@85 | 807 | |
nkeynes@19 | 808 | void pvr2_set_base_address( uint32_t base ) |
nkeynes@19 | 809 | { |
nkeynes@197 | 810 | mmio_region_PVR2_write( DISP_ADDR1, base ); |
nkeynes@19 | 811 | } |
nkeynes@56 | 812 | |
nkeynes@56 | 813 | |
nkeynes@65 | 814 | |
nkeynes@98 | 815 | |
nkeynes@56 | 816 | int32_t mmio_region_PVR2TA_read( uint32_t reg ) |
nkeynes@56 | 817 | { |
nkeynes@56 | 818 | return 0xFFFFFFFF; |
nkeynes@56 | 819 | } |
nkeynes@56 | 820 | |
nkeynes@56 | 821 | void mmio_region_PVR2TA_write( uint32_t reg, uint32_t val ) |
nkeynes@56 | 822 | { |
nkeynes@433 | 823 | pvr2_ta_write( (unsigned char *)&val, sizeof(uint32_t) ); |
nkeynes@56 | 824 | } |
nkeynes@56 | 825 | |
nkeynes@352 | 826 | /** |
nkeynes@352 | 827 | * Find the render buffer corresponding to the requested output frame |
nkeynes@352 | 828 | * (does not consider texture renders). |
nkeynes@352 | 829 | * @return the render_buffer if found, or null if no such buffer. |
nkeynes@352 | 830 | * |
nkeynes@352 | 831 | * Note: Currently does not consider "partial matches", ie partial |
nkeynes@352 | 832 | * frame overlap - it probably needs to do this. |
nkeynes@352 | 833 | */ |
nkeynes@352 | 834 | render_buffer_t pvr2_get_render_buffer( frame_buffer_t frame ) |
nkeynes@352 | 835 | { |
nkeynes@352 | 836 | int i; |
nkeynes@352 | 837 | for( i=0; i<render_buffer_count; i++ ) { |
nkeynes@352 | 838 | if( render_buffers[i] != NULL && render_buffers[i]->address == frame->address ) { |
nkeynes@352 | 839 | return render_buffers[i]; |
nkeynes@352 | 840 | } |
nkeynes@352 | 841 | } |
nkeynes@352 | 842 | return NULL; |
nkeynes@352 | 843 | } |
nkeynes@352 | 844 | |
nkeynes@352 | 845 | /** |
nkeynes@477 | 846 | * Allocate a render buffer with the requested parameters. |
nkeynes@477 | 847 | * The order of preference is: |
nkeynes@352 | 848 | * 1. An existing buffer with the same address. (not flushed unless the new |
nkeynes@352 | 849 | * size is smaller than the old one). |
nkeynes@352 | 850 | * 2. An existing buffer with the same size chosen by LRU order. Old buffer |
nkeynes@352 | 851 | * is flushed to vram. |
nkeynes@352 | 852 | * 3. A new buffer if one can be created. |
nkeynes@352 | 853 | * 4. The current display buff |
nkeynes@352 | 854 | * Note: The current display field(s) will never be overwritten except as a last |
nkeynes@352 | 855 | * resort. |
nkeynes@352 | 856 | */ |
nkeynes@477 | 857 | render_buffer_t pvr2_alloc_render_buffer( sh4addr_t render_addr, int width, int height ) |
nkeynes@352 | 858 | { |
nkeynes@477 | 859 | int i; |
nkeynes@352 | 860 | render_buffer_t result = NULL; |
nkeynes@352 | 861 | |
nkeynes@352 | 862 | /* Check existing buffers for an available buffer */ |
nkeynes@352 | 863 | for( i=0; i<render_buffer_count; i++ ) { |
nkeynes@352 | 864 | if( render_buffers[i]->width == width && render_buffers[i]->height == height ) { |
nkeynes@352 | 865 | /* needs to be the right dimensions */ |
nkeynes@352 | 866 | if( render_buffers[i]->address == render_addr ) { |
nkeynes@441 | 867 | if( displayed_render_buffer == render_buffers[i] ) { |
nkeynes@441 | 868 | /* Same address, but we can't use it because the |
nkeynes@441 | 869 | * display has it. Mark it as unaddressed for later. |
nkeynes@477 | 870 | */ |
nkeynes@441 | 871 | render_buffers[i]->address = -1; |
nkeynes@441 | 872 | } else { |
nkeynes@441 | 873 | /* perfect */ |
nkeynes@441 | 874 | result = render_buffers[i]; |
nkeynes@441 | 875 | break; |
nkeynes@441 | 876 | } |
nkeynes@441 | 877 | } else if( render_buffers[i]->address == -1 && result == NULL && |
nkeynes@441 | 878 | displayed_render_buffer != render_buffers[i] ) { |
nkeynes@352 | 879 | result = render_buffers[i]; |
nkeynes@352 | 880 | } |
nkeynes@441 | 881 | |
nkeynes@352 | 882 | } else if( render_buffers[i]->address == render_addr ) { |
nkeynes@352 | 883 | /* right address, wrong size - if it's larger, flush it, otherwise |
nkeynes@352 | 884 | * nuke it quietly */ |
nkeynes@352 | 885 | if( render_buffers[i]->width * render_buffers[i]->height > |
nkeynes@352 | 886 | width*height ) { |
nkeynes@352 | 887 | pvr2_render_buffer_copy_to_sh4( render_buffers[i] ); |
nkeynes@352 | 888 | } |
nkeynes@433 | 889 | render_buffers[i]->address = -1; |
nkeynes@352 | 890 | } |
nkeynes@352 | 891 | } |
nkeynes@352 | 892 | |
nkeynes@352 | 893 | /* Nothing available - make one */ |
nkeynes@352 | 894 | if( result == NULL ) { |
nkeynes@352 | 895 | if( render_buffer_count == MAX_RENDER_BUFFERS ) { |
nkeynes@352 | 896 | /* maximum buffers reached - need to throw one away */ |
nkeynes@352 | 897 | uint32_t field1_addr = MMIO_READ( PVR2, DISP_ADDR1 ); |
nkeynes@352 | 898 | uint32_t field2_addr = MMIO_READ( PVR2, DISP_ADDR2 ); |
nkeynes@352 | 899 | for( i=0; i<render_buffer_count; i++ ) { |
nkeynes@352 | 900 | if( render_buffers[i]->address != field1_addr && |
nkeynes@441 | 901 | render_buffers[i]->address != field2_addr && |
nkeynes@441 | 902 | render_buffers[i] != displayed_render_buffer ) { |
nkeynes@352 | 903 | /* Never throw away the current "front buffer(s)" */ |
nkeynes@352 | 904 | result = render_buffers[i]; |
nkeynes@477 | 905 | if( !result->flushed ) { |
nkeynes@477 | 906 | pvr2_render_buffer_copy_to_sh4( result ); |
nkeynes@477 | 907 | } |
nkeynes@352 | 908 | if( result->width != width || result->height != height ) { |
nkeynes@352 | 909 | display_driver->destroy_render_buffer(render_buffers[i]); |
nkeynes@352 | 910 | result = display_driver->create_render_buffer(width,height); |
nkeynes@352 | 911 | render_buffers[i] = result; |
nkeynes@352 | 912 | } |
nkeynes@352 | 913 | break; |
nkeynes@352 | 914 | } |
nkeynes@352 | 915 | } |
nkeynes@352 | 916 | } else { |
nkeynes@352 | 917 | result = display_driver->create_render_buffer(width,height); |
nkeynes@352 | 918 | if( result != NULL ) { |
nkeynes@352 | 919 | render_buffers[render_buffer_count++] = result; |
nkeynes@352 | 920 | } |
nkeynes@352 | 921 | } |
nkeynes@352 | 922 | } |
nkeynes@352 | 923 | |
nkeynes@477 | 924 | if( result != NULL ) { |
nkeynes@477 | 925 | result->address = render_addr; |
nkeynes@477 | 926 | } |
nkeynes@352 | 927 | return result; |
nkeynes@352 | 928 | } |
nkeynes@352 | 929 | |
nkeynes@352 | 930 | /** |
nkeynes@477 | 931 | * Allocate a render buffer based on the current rendering settings |
nkeynes@477 | 932 | */ |
nkeynes@477 | 933 | render_buffer_t pvr2_next_render_buffer() |
nkeynes@477 | 934 | { |
nkeynes@477 | 935 | render_buffer_t result = NULL; |
nkeynes@477 | 936 | uint32_t render_addr = MMIO_READ( PVR2, RENDER_ADDR1 ); |
nkeynes@477 | 937 | uint32_t render_mode = MMIO_READ( PVR2, RENDER_MODE ); |
nkeynes@477 | 938 | uint32_t render_scale = MMIO_READ( PVR2, RENDER_SCALER ); |
nkeynes@477 | 939 | uint32_t render_stride = MMIO_READ( PVR2, RENDER_SIZE ) << 3; |
nkeynes@477 | 940 | |
nkeynes@477 | 941 | if( render_addr & 0x01000000 ) { /* vram64 */ |
nkeynes@477 | 942 | render_addr = (render_addr & 0x00FFFFFF) + PVR2_RAM_BASE_INT; |
nkeynes@477 | 943 | } else { /* vram32 */ |
nkeynes@477 | 944 | render_addr = (render_addr & 0x00FFFFFF) + PVR2_RAM_BASE; |
nkeynes@477 | 945 | } |
nkeynes@477 | 946 | |
nkeynes@653 | 947 | int width = pvr2_scene_buffer_width(); |
nkeynes@653 | 948 | int height = pvr2_scene_buffer_height(); |
nkeynes@477 | 949 | int colour_format = pvr2_render_colour_format[render_mode&0x07]; |
nkeynes@477 | 950 | |
nkeynes@477 | 951 | result = pvr2_alloc_render_buffer( render_addr, width, height ); |
nkeynes@477 | 952 | /* Setup the buffer */ |
nkeynes@477 | 953 | if( result != NULL ) { |
nkeynes@477 | 954 | result->rowstride = render_stride; |
nkeynes@477 | 955 | result->colour_format = colour_format; |
nkeynes@477 | 956 | result->scale = render_scale; |
nkeynes@477 | 957 | result->size = width * height * colour_formats[colour_format].bpp; |
nkeynes@477 | 958 | result->flushed = FALSE; |
nkeynes@477 | 959 | result->inverted = TRUE; // render buffers are inverted normally |
nkeynes@477 | 960 | } |
nkeynes@477 | 961 | return result; |
nkeynes@477 | 962 | } |
nkeynes@477 | 963 | |
nkeynes@477 | 964 | static render_buffer_t pvr2_frame_buffer_to_render_buffer( frame_buffer_t frame ) |
nkeynes@477 | 965 | { |
nkeynes@477 | 966 | render_buffer_t result = pvr2_alloc_render_buffer( frame->address, frame->width, frame->height ); |
nkeynes@477 | 967 | if( result != NULL ) { |
nkeynes@477 | 968 | int bpp = colour_formats[frame->colour_format].bpp; |
nkeynes@477 | 969 | result->rowstride = frame->rowstride; |
nkeynes@477 | 970 | result->colour_format = frame->colour_format; |
nkeynes@477 | 971 | result->scale = 0x400; |
nkeynes@477 | 972 | result->size = frame->width * frame->height * bpp; |
nkeynes@477 | 973 | result->flushed = TRUE; |
nkeynes@477 | 974 | result->inverted = frame->inverted; |
nkeynes@477 | 975 | display_driver->load_frame_buffer( frame, result ); |
nkeynes@477 | 976 | } |
nkeynes@477 | 977 | return result; |
nkeynes@477 | 978 | } |
nkeynes@477 | 979 | |
nkeynes@477 | 980 | |
nkeynes@477 | 981 | /** |
nkeynes@352 | 982 | * Invalidate any caching on the supplied address. Specifically, if it falls |
nkeynes@352 | 983 | * within any of the render buffers, flush the buffer back to PVR2 ram. |
nkeynes@352 | 984 | */ |
nkeynes@352 | 985 | gboolean pvr2_render_buffer_invalidate( sh4addr_t address, gboolean isWrite ) |
nkeynes@352 | 986 | { |
nkeynes@352 | 987 | int i; |
nkeynes@352 | 988 | address = address & 0x1FFFFFFF; |
nkeynes@352 | 989 | for( i=0; i<render_buffer_count; i++ ) { |
nkeynes@352 | 990 | uint32_t bufaddr = render_buffers[i]->address; |
nkeynes@352 | 991 | if( bufaddr != -1 && bufaddr <= address && |
nkeynes@352 | 992 | (bufaddr + render_buffers[i]->size) > address ) { |
nkeynes@352 | 993 | if( !render_buffers[i]->flushed ) { |
nkeynes@352 | 994 | pvr2_render_buffer_copy_to_sh4( render_buffers[i] ); |
nkeynes@352 | 995 | render_buffers[i]->flushed = TRUE; |
nkeynes@352 | 996 | } |
nkeynes@352 | 997 | if( isWrite ) { |
nkeynes@352 | 998 | render_buffers[i]->address = -1; /* Invalid */ |
nkeynes@352 | 999 | } |
nkeynes@352 | 1000 | return TRUE; /* should never have overlapping buffers */ |
nkeynes@352 | 1001 | } |
nkeynes@352 | 1002 | } |
nkeynes@352 | 1003 | return FALSE; |
nkeynes@352 | 1004 | } |
.