filename | src/pvr2/rendcore.c |
changeset | 635:76c63aac3590 |
prev | 561:533f6b478071 |
author | nkeynes |
date | Thu Feb 14 13:54:11 2008 +0000 (16 years ago) |
branch | lxdream-render |
permissions | -rw-r--r-- |
last change | Commit render work in progress. Main changes: * Preliminary OSMesa support * Move the generic gl code out to pvr2/ * Implement scene data structure + reader * Remove the 1/z adjustments |
file | annotate | diff | log | raw |
nkeynes@189 | 1 | /** |
nkeynes@561 | 2 | * $Id$ |
nkeynes@189 | 3 | * |
nkeynes@189 | 4 | * PVR2 renderer core. |
nkeynes@189 | 5 | * |
nkeynes@189 | 6 | * Copyright (c) 2005 Nathan Keynes. |
nkeynes@189 | 7 | * |
nkeynes@189 | 8 | * This program is free software; you can redistribute it and/or modify |
nkeynes@189 | 9 | * it under the terms of the GNU General Public License as published by |
nkeynes@189 | 10 | * the Free Software Foundation; either version 2 of the License, or |
nkeynes@189 | 11 | * (at your option) any later version. |
nkeynes@189 | 12 | * |
nkeynes@189 | 13 | * This program is distributed in the hope that it will be useful, |
nkeynes@189 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
nkeynes@189 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
nkeynes@189 | 16 | * GNU General Public License for more details. |
nkeynes@189 | 17 | */ |
nkeynes@215 | 18 | #include <sys/time.h> |
nkeynes@635 | 19 | #include <assert.h> |
nkeynes@635 | 20 | #include <string.h> |
nkeynes@189 | 21 | #include "pvr2/pvr2.h" |
nkeynes@189 | 22 | #include "asic.h" |
nkeynes@540 | 23 | #include "display.h" |
nkeynes@429 | 24 | |
nkeynes@221 | 25 | int pvr2_poly_depthmode[8] = { GL_NEVER, GL_LESS, GL_EQUAL, GL_LEQUAL, |
nkeynes@189 | 26 | GL_GREATER, GL_NOTEQUAL, GL_GEQUAL, |
nkeynes@189 | 27 | GL_ALWAYS }; |
nkeynes@221 | 28 | int pvr2_poly_srcblend[8] = { |
nkeynes@189 | 29 | GL_ZERO, GL_ONE, GL_DST_COLOR, GL_ONE_MINUS_DST_COLOR, |
nkeynes@189 | 30 | GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_DST_ALPHA, |
nkeynes@189 | 31 | GL_ONE_MINUS_DST_ALPHA }; |
nkeynes@221 | 32 | int pvr2_poly_dstblend[8] = { |
nkeynes@189 | 33 | GL_ZERO, GL_ONE, GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR, |
nkeynes@189 | 34 | GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_DST_ALPHA, |
nkeynes@189 | 35 | GL_ONE_MINUS_DST_ALPHA }; |
nkeynes@221 | 36 | int pvr2_poly_texblend[4] = { |
nkeynes@322 | 37 | GL_REPLACE, |
nkeynes@322 | 38 | GL_MODULATE, |
nkeynes@322 | 39 | GL_DECAL, |
nkeynes@322 | 40 | GL_MODULATE |
nkeynes@322 | 41 | }; |
nkeynes@221 | 42 | int pvr2_render_colour_format[8] = { |
nkeynes@477 | 43 | COLFMT_BGRA1555, COLFMT_RGB565, COLFMT_BGRA4444, COLFMT_BGRA1555, |
nkeynes@477 | 44 | COLFMT_BGR888, COLFMT_BGRA8888, COLFMT_BGRA8888, COLFMT_BGRA4444 }; |
nkeynes@189 | 45 | |
nkeynes@189 | 46 | extern char *video_base; |
nkeynes@189 | 47 | |
nkeynes@322 | 48 | gboolean pvr2_force_fragment_alpha = FALSE; |
nkeynes@338 | 49 | gboolean pvr2_debug_render = FALSE; |
nkeynes@318 | 50 | |
nkeynes@189 | 51 | |
nkeynes@341 | 52 | void render_print_tilelist( FILE *f, uint32_t tile_entry ); |
nkeynes@341 | 53 | |
nkeynes@189 | 54 | /** |
nkeynes@189 | 55 | * Convert a half-float (16-bit) FP number to a regular 32-bit float. |
nkeynes@189 | 56 | * Source is 1-bit sign, 5-bit exponent, 10-bit mantissa. |
nkeynes@189 | 57 | * TODO: Check the correctness of this. |
nkeynes@189 | 58 | */ |
nkeynes@189 | 59 | float halftofloat( uint16_t half ) |
nkeynes@189 | 60 | { |
nkeynes@189 | 61 | union { |
nkeynes@189 | 62 | float f; |
nkeynes@189 | 63 | uint32_t i; |
nkeynes@189 | 64 | } temp; |
nkeynes@308 | 65 | /* int e = ((half & 0x7C00) >> 10) - 15 + 127; |
nkeynes@189 | 66 | |
nkeynes@189 | 67 | temp.i = ((half & 0x8000) << 16) | (e << 23) | |
nkeynes@308 | 68 | ((half & 0x03FF) << 13); */ |
nkeynes@308 | 69 | temp.i = ((uint32_t)half)<<16; |
nkeynes@189 | 70 | return temp.f; |
nkeynes@189 | 71 | } |
nkeynes@189 | 72 | |
nkeynes@189 | 73 | |
nkeynes@189 | 74 | /** |
nkeynes@189 | 75 | * Setup the GL context for the supplied polygon context. |
nkeynes@189 | 76 | * @param context pointer to 3 or 5 words of polygon context |
nkeynes@189 | 77 | * @param modified boolean flag indicating that the modified |
nkeynes@189 | 78 | * version should be used, rather than the normal version. |
nkeynes@189 | 79 | */ |
nkeynes@189 | 80 | void render_set_context( uint32_t *context, int render_mode ) |
nkeynes@189 | 81 | { |
nkeynes@189 | 82 | uint32_t poly1 = context[0], poly2, texture; |
nkeynes@189 | 83 | if( render_mode == RENDER_FULLMOD ) { |
nkeynes@189 | 84 | poly2 = context[3]; |
nkeynes@189 | 85 | texture = context[4]; |
nkeynes@189 | 86 | } else { |
nkeynes@189 | 87 | poly2 = context[1]; |
nkeynes@189 | 88 | texture = context[2]; |
nkeynes@189 | 89 | } |
nkeynes@338 | 90 | |
nkeynes@189 | 91 | if( POLY1_DEPTH_ENABLE(poly1) ) { |
nkeynes@189 | 92 | glEnable( GL_DEPTH_TEST ); |
nkeynes@189 | 93 | glDepthFunc( POLY1_DEPTH_MODE(poly1) ); |
nkeynes@189 | 94 | } else { |
nkeynes@189 | 95 | glDisable( GL_DEPTH_TEST ); |
nkeynes@189 | 96 | } |
nkeynes@189 | 97 | |
nkeynes@189 | 98 | switch( POLY1_CULL_MODE(poly1) ) { |
nkeynes@189 | 99 | case CULL_NONE: |
nkeynes@189 | 100 | case CULL_SMALL: |
nkeynes@189 | 101 | glDisable( GL_CULL_FACE ); |
nkeynes@189 | 102 | break; |
nkeynes@189 | 103 | case CULL_CCW: |
nkeynes@189 | 104 | glEnable( GL_CULL_FACE ); |
nkeynes@189 | 105 | glFrontFace( GL_CW ); |
nkeynes@189 | 106 | break; |
nkeynes@189 | 107 | case CULL_CW: |
nkeynes@189 | 108 | glEnable( GL_CULL_FACE ); |
nkeynes@189 | 109 | glFrontFace( GL_CCW ); |
nkeynes@189 | 110 | break; |
nkeynes@189 | 111 | } |
nkeynes@189 | 112 | |
nkeynes@318 | 113 | if( POLY1_SPECULAR(poly1) ) { |
nkeynes@318 | 114 | glEnable(GL_COLOR_SUM); |
nkeynes@318 | 115 | } else { |
nkeynes@318 | 116 | glDisable(GL_COLOR_SUM); |
nkeynes@318 | 117 | } |
nkeynes@318 | 118 | |
nkeynes@338 | 119 | pvr2_force_fragment_alpha = POLY2_ALPHA_ENABLE(poly2) ? FALSE : TRUE; |
nkeynes@338 | 120 | |
nkeynes@189 | 121 | if( POLY1_TEXTURED(poly1) ) { |
nkeynes@189 | 122 | int width = POLY2_TEX_WIDTH(poly2); |
nkeynes@189 | 123 | int height = POLY2_TEX_HEIGHT(poly2); |
nkeynes@189 | 124 | glEnable(GL_TEXTURE_2D); |
nkeynes@286 | 125 | texcache_get_texture( (texture&0x000FFFFF)<<3, width, height, texture ); |
nkeynes@338 | 126 | switch( POLY2_TEX_BLEND(poly2) ) { |
nkeynes@338 | 127 | case 0: /* Replace */ |
nkeynes@338 | 128 | glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE ); |
nkeynes@338 | 129 | break; |
nkeynes@338 | 130 | case 2:/* Decal */ |
nkeynes@338 | 131 | glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL ); |
nkeynes@338 | 132 | break; |
nkeynes@338 | 133 | case 1: /* Modulate RGB */ |
nkeynes@338 | 134 | /* This is not directly supported by opengl (other than by mucking |
nkeynes@338 | 135 | * with the texture format), but we get the same effect by forcing |
nkeynes@338 | 136 | * the fragment alpha to 1.0 and using GL_MODULATE. |
nkeynes@338 | 137 | */ |
nkeynes@338 | 138 | pvr2_force_fragment_alpha = TRUE; |
nkeynes@338 | 139 | case 3: /* Modulate RGBA */ |
nkeynes@338 | 140 | glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE ); |
nkeynes@338 | 141 | break; |
nkeynes@338 | 142 | } |
nkeynes@352 | 143 | |
nkeynes@308 | 144 | if( POLY2_TEX_CLAMP_U(poly2) ) { |
nkeynes@308 | 145 | glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP ); |
nkeynes@308 | 146 | } else { |
nkeynes@308 | 147 | glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT ); |
nkeynes@308 | 148 | } |
nkeynes@308 | 149 | if( POLY2_TEX_CLAMP_V(poly2) ) { |
nkeynes@308 | 150 | glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP ); |
nkeynes@308 | 151 | } else { |
nkeynes@350 | 152 | glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT ); |
nkeynes@308 | 153 | } |
nkeynes@189 | 154 | } else { |
nkeynes@189 | 155 | glDisable( GL_TEXTURE_2D ); |
nkeynes@189 | 156 | } |
nkeynes@189 | 157 | |
nkeynes@189 | 158 | glShadeModel( POLY1_SHADE_MODEL(poly1) ); |
nkeynes@189 | 159 | |
nkeynes@221 | 160 | int srcblend = POLY2_SRC_BLEND(poly2); |
nkeynes@221 | 161 | int destblend = POLY2_DEST_BLEND(poly2); |
nkeynes@221 | 162 | glBlendFunc( srcblend, destblend ); |
nkeynes@318 | 163 | |
nkeynes@322 | 164 | if( POLY2_SRC_BLEND_TARGET(poly2) || POLY2_DEST_BLEND_TARGET(poly2) ) { |
nkeynes@322 | 165 | ERROR( "Accumulation buffer not supported" ); |
nkeynes@322 | 166 | } |
nkeynes@338 | 167 | |
nkeynes@318 | 168 | |
nkeynes@189 | 169 | } |
nkeynes@189 | 170 | |
nkeynes@319 | 171 | #define FARGB_A(x) (((float)(((x)>>24)+1))/256.0) |
nkeynes@319 | 172 | #define FARGB_R(x) (((float)((((x)>>16)&0xFF)+1))/256.0) |
nkeynes@319 | 173 | #define FARGB_G(x) (((float)((((x)>>8)&0xFF)+1))/256.0) |
nkeynes@319 | 174 | #define FARGB_B(x) (((float)(((x)&0xFF)+1))/256.0) |
nkeynes@319 | 175 | |
nkeynes@319 | 176 | void render_unpack_vertexes( struct vertex_unpacked *out, uint32_t poly1, |
nkeynes@319 | 177 | uint32_t *vertexes, int num_vertexes, |
nkeynes@319 | 178 | int vertex_size, int render_mode ) |
nkeynes@319 | 179 | { |
nkeynes@319 | 180 | int m = 0, i; |
nkeynes@319 | 181 | if( render_mode == RENDER_FULLMOD ) { |
nkeynes@319 | 182 | m = (vertex_size - 3)/2; |
nkeynes@319 | 183 | } |
nkeynes@319 | 184 | |
nkeynes@319 | 185 | for( i=0; i<num_vertexes; i++ ) { |
nkeynes@319 | 186 | float *vertexf = (float *)vertexes; |
nkeynes@319 | 187 | int k = m + 3; |
nkeynes@319 | 188 | out[i].x = vertexf[0]; |
nkeynes@319 | 189 | out[i].y = vertexf[1]; |
nkeynes@319 | 190 | out[i].z = vertexf[2]; |
nkeynes@319 | 191 | if( POLY1_TEXTURED(poly1) ) { |
nkeynes@319 | 192 | if( POLY1_UV16(poly1) ) { |
nkeynes@319 | 193 | out[i].u = halftofloat(vertexes[k]>>16); |
nkeynes@319 | 194 | out[i].v = halftofloat(vertexes[k]); |
nkeynes@319 | 195 | k++; |
nkeynes@319 | 196 | } else { |
nkeynes@319 | 197 | out[i].u = vertexf[k]; |
nkeynes@319 | 198 | out[i].v = vertexf[k+1]; |
nkeynes@319 | 199 | k+=2; |
nkeynes@319 | 200 | } |
nkeynes@319 | 201 | } else { |
nkeynes@319 | 202 | out[i].u = 0; |
nkeynes@319 | 203 | out[i].v = 0; |
nkeynes@319 | 204 | } |
nkeynes@319 | 205 | uint32_t argb = vertexes[k++]; |
nkeynes@319 | 206 | out[i].rgba[0] = FARGB_R(argb); |
nkeynes@319 | 207 | out[i].rgba[1] = FARGB_G(argb); |
nkeynes@319 | 208 | out[i].rgba[2] = FARGB_B(argb); |
nkeynes@319 | 209 | out[i].rgba[3] = FARGB_A(argb); |
nkeynes@319 | 210 | if( POLY1_SPECULAR(poly1) ) { |
nkeynes@319 | 211 | uint32_t offset = vertexes[k++]; |
nkeynes@429 | 212 | out[i].offset_rgba[0] = FARGB_R(offset); |
nkeynes@429 | 213 | out[i].offset_rgba[1] = FARGB_G(offset); |
nkeynes@429 | 214 | out[i].offset_rgba[2] = FARGB_B(offset); |
nkeynes@429 | 215 | out[i].offset_rgba[3] = FARGB_A(offset); |
nkeynes@319 | 216 | } |
nkeynes@319 | 217 | vertexes += vertex_size; |
nkeynes@319 | 218 | } |
nkeynes@319 | 219 | } |
nkeynes@319 | 220 | |
nkeynes@319 | 221 | /** |
nkeynes@319 | 222 | * Unpack the vertexes for a quad, calculating the values for the last |
nkeynes@319 | 223 | * vertex. |
nkeynes@319 | 224 | * FIXME: Integrate this with rendbkg somehow |
nkeynes@319 | 225 | */ |
nkeynes@319 | 226 | void render_unpack_quad( struct vertex_unpacked *unpacked, uint32_t poly1, |
nkeynes@319 | 227 | uint32_t *vertexes, int vertex_size, |
nkeynes@319 | 228 | int render_mode ) |
nkeynes@319 | 229 | { |
nkeynes@319 | 230 | int i; |
nkeynes@319 | 231 | struct vertex_unpacked diff0, diff1; |
nkeynes@319 | 232 | |
nkeynes@319 | 233 | render_unpack_vertexes( unpacked, poly1, vertexes, 3, vertex_size, render_mode ); |
nkeynes@319 | 234 | |
nkeynes@319 | 235 | diff0.x = unpacked[0].x - unpacked[1].x; |
nkeynes@319 | 236 | diff0.y = unpacked[0].y - unpacked[1].y; |
nkeynes@319 | 237 | diff1.x = unpacked[2].x - unpacked[1].x; |
nkeynes@319 | 238 | diff1.y = unpacked[2].y - unpacked[1].y; |
nkeynes@319 | 239 | |
nkeynes@319 | 240 | float detxy = ((diff1.y) * (diff0.x)) - ((diff0.y) * (diff1.x)); |
nkeynes@319 | 241 | float *vertexf = (float *)(vertexes+(vertex_size*3)); |
nkeynes@319 | 242 | if( detxy == 0 ) { |
nkeynes@319 | 243 | memcpy( &unpacked[3], &unpacked[2], sizeof(struct vertex_unpacked) ); |
nkeynes@319 | 244 | unpacked[3].x = vertexf[0]; |
nkeynes@319 | 245 | unpacked[3].y = vertexf[1]; |
nkeynes@319 | 246 | return; |
nkeynes@319 | 247 | } |
nkeynes@319 | 248 | |
nkeynes@319 | 249 | unpacked[3].x = vertexf[0]; |
nkeynes@319 | 250 | unpacked[3].y = vertexf[1]; |
nkeynes@319 | 251 | float t = ((unpacked[3].x - unpacked[1].x) * diff1.y - |
nkeynes@319 | 252 | (unpacked[3].y - unpacked[1].y) * diff1.x) / detxy; |
nkeynes@319 | 253 | float s = ((unpacked[3].y - unpacked[1].y) * diff0.x - |
nkeynes@319 | 254 | (unpacked[3].x - unpacked[1].x) * diff0.y) / detxy; |
nkeynes@635 | 255 | diff0.z = unpacked[0].z - unpacked[1].z; |
nkeynes@635 | 256 | diff1.z = unpacked[2].z - unpacked[1].z; |
nkeynes@635 | 257 | unpacked[3].z = unpacked[1].z + (t*diff0.z) + (s*diff1.z); |
nkeynes@319 | 258 | |
nkeynes@319 | 259 | diff0.u = unpacked[0].u - unpacked[1].u; |
nkeynes@319 | 260 | diff0.v = unpacked[0].v - unpacked[1].v; |
nkeynes@319 | 261 | diff1.u = unpacked[2].u - unpacked[1].u; |
nkeynes@319 | 262 | diff1.v = unpacked[2].v - unpacked[1].v; |
nkeynes@319 | 263 | unpacked[3].u = unpacked[1].u + (t*diff0.u) + (s*diff1.u); |
nkeynes@319 | 264 | unpacked[3].v = unpacked[1].v + (t*diff0.v) + (s*diff1.v); |
nkeynes@319 | 265 | |
nkeynes@319 | 266 | if( !POLY1_GOURAUD_SHADED(poly1) ) { |
nkeynes@319 | 267 | memcpy( unpacked[3].rgba, unpacked[2].rgba, sizeof(unpacked[2].rgba) ); |
nkeynes@319 | 268 | memcpy( unpacked[3].offset_rgba, unpacked[2].offset_rgba, sizeof(unpacked[2].offset_rgba) ); |
nkeynes@319 | 269 | } else { |
nkeynes@319 | 270 | for( i=0; i<4; i++ ) { |
nkeynes@319 | 271 | float d0 = unpacked[0].rgba[i] - unpacked[1].rgba[i]; |
nkeynes@319 | 272 | float d1 = unpacked[2].rgba[i] - unpacked[1].rgba[i]; |
nkeynes@319 | 273 | unpacked[3].rgba[i] = unpacked[1].rgba[i] + (t*d0) + (s*d1); |
nkeynes@319 | 274 | d0 = unpacked[0].offset_rgba[i] - unpacked[1].offset_rgba[i]; |
nkeynes@319 | 275 | d1 = unpacked[2].offset_rgba[i] - unpacked[1].offset_rgba[i]; |
nkeynes@319 | 276 | unpacked[3].offset_rgba[i] = unpacked[1].offset_rgba[i] + (t*d0) + (s*d1); |
nkeynes@319 | 277 | } |
nkeynes@319 | 278 | } |
nkeynes@319 | 279 | } |
nkeynes@319 | 280 | |
nkeynes@319 | 281 | void render_unpacked_vertex_array( uint32_t poly1, struct vertex_unpacked *vertexes[], |
nkeynes@319 | 282 | int num_vertexes ) { |
nkeynes@319 | 283 | int i; |
nkeynes@319 | 284 | |
nkeynes@319 | 285 | glBegin( GL_TRIANGLE_STRIP ); |
nkeynes@319 | 286 | |
nkeynes@319 | 287 | for( i=0; i<num_vertexes; i++ ) { |
nkeynes@319 | 288 | if( POLY1_TEXTURED(poly1) ) { |
nkeynes@319 | 289 | glTexCoord2f( vertexes[i]->u, vertexes[i]->v ); |
nkeynes@319 | 290 | } |
nkeynes@319 | 291 | |
nkeynes@322 | 292 | if( pvr2_force_fragment_alpha ) { |
nkeynes@322 | 293 | glColor4f( vertexes[i]->rgba[0], vertexes[i]->rgba[1], vertexes[i]->rgba[2], 1.0 ); |
nkeynes@322 | 294 | } else { |
nkeynes@322 | 295 | glColor4f( vertexes[i]->rgba[0], vertexes[i]->rgba[1], vertexes[i]->rgba[2], |
nkeynes@322 | 296 | vertexes[i]->rgba[3] ); |
nkeynes@322 | 297 | } |
nkeynes@319 | 298 | if( POLY1_SPECULAR(poly1) ) { |
nkeynes@319 | 299 | glSecondaryColor3fEXT( vertexes[i]->offset_rgba[0], |
nkeynes@319 | 300 | vertexes[i]->offset_rgba[1], |
nkeynes@319 | 301 | vertexes[i]->offset_rgba[2] ); |
nkeynes@319 | 302 | } |
nkeynes@635 | 303 | assert( vertexes[i]->z > 0 && !isinf(vertexes[i]->z) ); |
nkeynes@635 | 304 | glVertex3f( vertexes[i]->x, vertexes[i]->y, vertexes[i]->z ); |
nkeynes@319 | 305 | } |
nkeynes@319 | 306 | |
nkeynes@319 | 307 | glEnd(); |
nkeynes@319 | 308 | } |
nkeynes@319 | 309 | |
nkeynes@319 | 310 | void render_quad_vertexes( uint32_t poly1, uint32_t *vertexes, int vertex_size, int render_mode ) |
nkeynes@319 | 311 | { |
nkeynes@319 | 312 | struct vertex_unpacked unpacked[4]; |
nkeynes@319 | 313 | struct vertex_unpacked *pt[4] = {&unpacked[0], &unpacked[1], &unpacked[3], &unpacked[2]}; |
nkeynes@319 | 314 | render_unpack_quad( unpacked, poly1, vertexes, vertex_size, render_mode ); |
nkeynes@319 | 315 | render_unpacked_vertex_array( poly1, pt, 4 ); |
nkeynes@319 | 316 | } |
nkeynes@319 | 317 | |
nkeynes@319 | 318 | void render_vertex_array( uint32_t poly1, uint32_t *vert_array[], int num_vertexes, int vertex_size, |
nkeynes@319 | 319 | int render_mode ) |
nkeynes@189 | 320 | { |
nkeynes@189 | 321 | int i, m=0; |
nkeynes@189 | 322 | |
nkeynes@189 | 323 | if( render_mode == RENDER_FULLMOD ) { |
nkeynes@189 | 324 | m = (vertex_size - 3)/2; |
nkeynes@189 | 325 | } |
nkeynes@189 | 326 | |
nkeynes@189 | 327 | glBegin( GL_TRIANGLE_STRIP ); |
nkeynes@189 | 328 | |
nkeynes@189 | 329 | for( i=0; i<num_vertexes; i++ ) { |
nkeynes@319 | 330 | uint32_t *vertexes = vert_array[i]; |
nkeynes@319 | 331 | float *vertexf = (float *)vert_array[i]; |
nkeynes@189 | 332 | uint32_t argb; |
nkeynes@318 | 333 | int k = m + 3; |
nkeynes@189 | 334 | if( POLY1_TEXTURED(poly1) ) { |
nkeynes@189 | 335 | if( POLY1_UV16(poly1) ) { |
nkeynes@318 | 336 | glTexCoord2f( halftofloat(vertexes[k]>>16), |
nkeynes@318 | 337 | halftofloat(vertexes[k]) ); |
nkeynes@318 | 338 | k++; |
nkeynes@189 | 339 | } else { |
nkeynes@318 | 340 | glTexCoord2f( vertexf[k], vertexf[k+1] ); |
nkeynes@318 | 341 | k+=2; |
nkeynes@189 | 342 | } |
nkeynes@189 | 343 | } |
nkeynes@189 | 344 | |
nkeynes@318 | 345 | argb = vertexes[k++]; |
nkeynes@318 | 346 | if( pvr2_force_fragment_alpha ) { |
nkeynes@318 | 347 | glColor4ub( (GLubyte)(argb >> 16), (GLubyte)(argb >> 8), |
nkeynes@318 | 348 | (GLubyte)argb, 0xFF ); |
nkeynes@318 | 349 | } else { |
nkeynes@318 | 350 | glColor4ub( (GLubyte)(argb >> 16), (GLubyte)(argb >> 8), |
nkeynes@318 | 351 | (GLubyte)argb, (GLubyte)(argb >> 24) ); |
nkeynes@318 | 352 | } |
nkeynes@318 | 353 | |
nkeynes@318 | 354 | if( POLY1_SPECULAR(poly1) ) { |
nkeynes@318 | 355 | uint32_t spec = vertexes[k++]; |
nkeynes@318 | 356 | glSecondaryColor3ubEXT( (GLubyte)(spec >> 16), (GLubyte)(spec >> 8), |
nkeynes@318 | 357 | (GLubyte)spec ); |
nkeynes@318 | 358 | } |
nkeynes@635 | 359 | // assert( vertexf[2] > 0 && !isinf(vertexf[2]) ); |
nkeynes@635 | 360 | glVertex3f( vertexf[0], vertexf[1], vertexf[2] ); |
nkeynes@189 | 361 | vertexes += vertex_size; |
nkeynes@189 | 362 | } |
nkeynes@189 | 363 | |
nkeynes@189 | 364 | glEnd(); |
nkeynes@189 | 365 | } |
nkeynes@189 | 366 | |
nkeynes@319 | 367 | void render_vertexes( uint32_t poly1, uint32_t *vertexes, int num_vertexes, int vertex_size, |
nkeynes@319 | 368 | int render_mode ) |
nkeynes@319 | 369 | { |
nkeynes@319 | 370 | uint32_t *vert_array[num_vertexes]; |
nkeynes@319 | 371 | int i; |
nkeynes@319 | 372 | for( i=0; i<num_vertexes; i++ ) { |
nkeynes@319 | 373 | vert_array[i] = vertexes; |
nkeynes@319 | 374 | vertexes += vertex_size; |
nkeynes@319 | 375 | } |
nkeynes@319 | 376 | render_vertex_array( poly1, vert_array, num_vertexes, vertex_size, render_mode ); |
nkeynes@319 | 377 | } |
nkeynes@319 | 378 | |
nkeynes@189 | 379 | /** |
nkeynes@189 | 380 | * Render a simple (not auto-sorted) tile |
nkeynes@189 | 381 | */ |
nkeynes@189 | 382 | void render_tile( pvraddr_t tile_entry, int render_mode, gboolean cheap_modifier_mode ) { |
nkeynes@215 | 383 | uint32_t poly_bank = MMIO_READ(PVR2,RENDER_POLYBASE); |
nkeynes@189 | 384 | uint32_t *tile_list = (uint32_t *)(video_base+tile_entry); |
nkeynes@189 | 385 | do { |
nkeynes@189 | 386 | uint32_t entry = *tile_list++; |
nkeynes@189 | 387 | if( entry >> 28 == 0x0F ) { |
nkeynes@189 | 388 | break; |
nkeynes@189 | 389 | } else if( entry >> 28 == 0x0E ) { |
nkeynes@189 | 390 | tile_list = (uint32_t *)(video_base + (entry&0x007FFFFF)); |
nkeynes@189 | 391 | } else { |
nkeynes@215 | 392 | uint32_t *polygon = (uint32_t *)(video_base + poly_bank + ((entry & 0x000FFFFF) << 2)); |
nkeynes@189 | 393 | int is_modified = entry & 0x01000000; |
nkeynes@189 | 394 | int vertex_length = (entry >> 21) & 0x07; |
nkeynes@189 | 395 | int context_length = 3; |
nkeynes@189 | 396 | if( is_modified && !cheap_modifier_mode ) { |
nkeynes@189 | 397 | context_length = 5; |
nkeynes@189 | 398 | vertex_length *= 2 ; |
nkeynes@189 | 399 | } |
nkeynes@189 | 400 | vertex_length += 3; |
nkeynes@308 | 401 | |
nkeynes@189 | 402 | if( (entry & 0xE0000000) == 0x80000000 ) { |
nkeynes@189 | 403 | /* Triangle(s) */ |
nkeynes@189 | 404 | int strip_count = ((entry >> 25) & 0x0F)+1; |
nkeynes@189 | 405 | int polygon_length = 3 * vertex_length + context_length; |
nkeynes@189 | 406 | int i; |
nkeynes@189 | 407 | for( i=0; i<strip_count; i++ ) { |
nkeynes@189 | 408 | render_set_context( polygon, render_mode ); |
nkeynes@189 | 409 | render_vertexes( *polygon, polygon+context_length, 3, vertex_length, |
nkeynes@477 | 410 | render_mode ); |
nkeynes@189 | 411 | polygon += polygon_length; |
nkeynes@189 | 412 | } |
nkeynes@189 | 413 | } else if( (entry & 0xE0000000) == 0xA0000000 ) { |
nkeynes@189 | 414 | /* Sprite(s) */ |
nkeynes@319 | 415 | int strip_count = ((entry >> 25) & 0x0F)+1; |
nkeynes@189 | 416 | int polygon_length = 4 * vertex_length + context_length; |
nkeynes@189 | 417 | int i; |
nkeynes@189 | 418 | for( i=0; i<strip_count; i++ ) { |
nkeynes@189 | 419 | render_set_context( polygon, render_mode ); |
nkeynes@319 | 420 | render_quad_vertexes( *polygon, polygon+context_length, vertex_length, |
nkeynes@477 | 421 | render_mode ); |
nkeynes@189 | 422 | polygon += polygon_length; |
nkeynes@189 | 423 | } |
nkeynes@189 | 424 | } else { |
nkeynes@189 | 425 | /* Polygon */ |
nkeynes@189 | 426 | int i, first=-1, last = -1; |
nkeynes@189 | 427 | for( i=0; i<6; i++ ) { |
nkeynes@189 | 428 | if( entry & (0x40000000>>i) ) { |
nkeynes@189 | 429 | if( first == -1 ) first = i; |
nkeynes@189 | 430 | last = i; |
nkeynes@189 | 431 | } |
nkeynes@189 | 432 | } |
nkeynes@189 | 433 | if( first != -1 ) { |
nkeynes@189 | 434 | first = 0; |
nkeynes@189 | 435 | render_set_context(polygon, render_mode); |
nkeynes@189 | 436 | render_vertexes( *polygon, polygon+context_length + (first*vertex_length), |
nkeynes@477 | 437 | (last-first+3), vertex_length, render_mode ); |
nkeynes@189 | 438 | } |
nkeynes@189 | 439 | } |
nkeynes@189 | 440 | } |
nkeynes@189 | 441 | } while( 1 ); |
nkeynes@189 | 442 | } |
nkeynes@189 | 443 | |
nkeynes@189 | 444 | void pvr2_render_tilebuffer( int width, int height, int clipx1, int clipy1, |
nkeynes@189 | 445 | int clipx2, int clipy2 ) { |
nkeynes@189 | 446 | |
nkeynes@191 | 447 | pvraddr_t segmentbase = MMIO_READ( PVR2, RENDER_TILEBASE ); |
nkeynes@189 | 448 | int tile_sort; |
nkeynes@189 | 449 | gboolean cheap_shadow; |
nkeynes@189 | 450 | |
nkeynes@191 | 451 | int obj_config = MMIO_READ( PVR2, RENDER_OBJCFG ); |
nkeynes@191 | 452 | int isp_config = MMIO_READ( PVR2, RENDER_ISPCFG ); |
nkeynes@191 | 453 | int shadow_cfg = MMIO_READ( PVR2, RENDER_SHADOW ); |
nkeynes@189 | 454 | |
nkeynes@222 | 455 | if( (obj_config & 0x00200000) == 0 ) { |
nkeynes@189 | 456 | if( isp_config & 1 ) { |
nkeynes@189 | 457 | tile_sort = 0; |
nkeynes@189 | 458 | } else { |
nkeynes@189 | 459 | tile_sort = 2; |
nkeynes@189 | 460 | } |
nkeynes@189 | 461 | } else { |
nkeynes@189 | 462 | tile_sort = 1; |
nkeynes@189 | 463 | } |
nkeynes@189 | 464 | |
nkeynes@189 | 465 | cheap_shadow = shadow_cfg & 0x100 ? TRUE : FALSE; |
nkeynes@189 | 466 | |
nkeynes@189 | 467 | struct tile_segment *segment = (struct tile_segment *)(video_base + segmentbase); |
nkeynes@189 | 468 | |
nkeynes@189 | 469 | glEnable( GL_SCISSOR_TEST ); |
nkeynes@268 | 470 | do { |
nkeynes@221 | 471 | // fwrite_dump32v( (uint32_t *)segment, sizeof(struct tile_segment), 6, stderr ); |
nkeynes@189 | 472 | int tilex = SEGMENT_X(segment->control); |
nkeynes@189 | 473 | int tiley = SEGMENT_Y(segment->control); |
nkeynes@189 | 474 | |
nkeynes@189 | 475 | int x1 = tilex << 5; |
nkeynes@189 | 476 | int y1 = tiley << 5; |
nkeynes@189 | 477 | if( x1 + 32 <= clipx1 || |
nkeynes@189 | 478 | y1 + 32 <= clipy1 || |
nkeynes@189 | 479 | x1 >= clipx2 || |
nkeynes@189 | 480 | y1 >= clipy2 ) { |
nkeynes@189 | 481 | /* Tile completely clipped, skip */ |
nkeynes@189 | 482 | continue; |
nkeynes@189 | 483 | } |
nkeynes@215 | 484 | |
nkeynes@189 | 485 | /* Set a scissor on the visible part of the tile */ |
nkeynes@189 | 486 | int w = MIN(x1+32, clipx2) - x1; |
nkeynes@189 | 487 | int h = MIN(y1+32, clipy2) - y1; |
nkeynes@189 | 488 | x1 = MAX(x1,clipx1); |
nkeynes@189 | 489 | y1 = MAX(y1,clipy1); |
nkeynes@189 | 490 | glScissor( x1, height-y1-h, w, h ); |
nkeynes@189 | 491 | |
nkeynes@189 | 492 | if( (segment->opaque_ptr & NO_POINTER) == 0 ) { |
nkeynes@338 | 493 | if( pvr2_debug_render ) { |
nkeynes@338 | 494 | fprintf( stderr, "Tile %d,%d Opaque\n", tilex, tiley ); |
nkeynes@341 | 495 | render_print_tilelist( stderr, segment->opaque_ptr ); |
nkeynes@338 | 496 | } |
nkeynes@189 | 497 | if( (segment->opaquemod_ptr & NO_POINTER) == 0 ) { |
nkeynes@189 | 498 | /* TODO */ |
nkeynes@189 | 499 | } |
nkeynes@189 | 500 | render_tile( segment->opaque_ptr, RENDER_NORMAL, cheap_shadow ); |
nkeynes@189 | 501 | } |
nkeynes@189 | 502 | |
nkeynes@189 | 503 | if( (segment->trans_ptr & NO_POINTER) == 0 ) { |
nkeynes@338 | 504 | if( pvr2_debug_render ) { |
nkeynes@338 | 505 | fprintf( stderr, "Tile %d,%d Trans\n", tilex, tiley ); |
nkeynes@341 | 506 | render_print_tilelist( stderr, segment->trans_ptr ); |
nkeynes@338 | 507 | } |
nkeynes@189 | 508 | if( (segment->transmod_ptr & NO_POINTER) == 0 ) { |
nkeynes@189 | 509 | /* TODO */ |
nkeynes@189 | 510 | } |
nkeynes@222 | 511 | if( tile_sort == 2 || |
nkeynes@222 | 512 | (tile_sort == 1 && ((segment->control & SEGMENT_SORT_TRANS)==0)) ) { |
nkeynes@189 | 513 | render_autosort_tile( segment->trans_ptr, RENDER_NORMAL, cheap_shadow ); |
nkeynes@189 | 514 | } else { |
nkeynes@189 | 515 | render_tile( segment->trans_ptr, RENDER_NORMAL, cheap_shadow ); |
nkeynes@189 | 516 | } |
nkeynes@189 | 517 | } |
nkeynes@189 | 518 | |
nkeynes@189 | 519 | if( (segment->punchout_ptr & NO_POINTER) == 0 ) { |
nkeynes@338 | 520 | if( pvr2_debug_render ) { |
nkeynes@338 | 521 | fprintf( stderr, "Tile %d,%d Punchout\n", tilex, tiley ); |
nkeynes@341 | 522 | render_print_tilelist( stderr, segment->punchout_ptr ); |
nkeynes@338 | 523 | } |
nkeynes@189 | 524 | render_tile( segment->punchout_ptr, RENDER_NORMAL, cheap_shadow ); |
nkeynes@189 | 525 | } |
nkeynes@268 | 526 | } while( ((segment++)->control & SEGMENT_END) == 0 ); |
nkeynes@189 | 527 | glDisable( GL_SCISSOR_TEST ); |
nkeynes@189 | 528 | } |
nkeynes@322 | 529 | |
nkeynes@635 | 530 | static void render_find_maximum_tile_z( pvraddr_t tile_entry, float *minimumz, float *maximumz ) |
nkeynes@322 | 531 | { |
nkeynes@322 | 532 | uint32_t poly_bank = MMIO_READ(PVR2,RENDER_POLYBASE); |
nkeynes@322 | 533 | uint32_t *tile_list = (uint32_t *)(video_base+tile_entry); |
nkeynes@322 | 534 | int shadow_cfg = MMIO_READ( PVR2, RENDER_SHADOW ) & 0x100; |
nkeynes@322 | 535 | int i, j; |
nkeynes@322 | 536 | do { |
nkeynes@322 | 537 | uint32_t entry = *tile_list++; |
nkeynes@322 | 538 | if( entry >> 28 == 0x0F ) { |
nkeynes@322 | 539 | break; |
nkeynes@322 | 540 | } else if( entry >> 28 == 0x0E ) { |
nkeynes@322 | 541 | tile_list = (uint32_t *)(video_base + (entry&0x007FFFFF)); |
nkeynes@322 | 542 | } else { |
nkeynes@322 | 543 | uint32_t *polygon = (uint32_t *)(video_base + poly_bank + ((entry & 0x000FFFFF) << 2)); |
nkeynes@322 | 544 | int vertex_length = (entry >> 21) & 0x07; |
nkeynes@322 | 545 | int context_length = 3; |
nkeynes@351 | 546 | if( (entry & 0x01000000) && (shadow_cfg==0) ) { |
nkeynes@322 | 547 | context_length = 5; |
nkeynes@322 | 548 | vertex_length *= 2 ; |
nkeynes@322 | 549 | } |
nkeynes@322 | 550 | vertex_length += 3; |
nkeynes@322 | 551 | if( (entry & 0xE0000000) == 0x80000000 ) { |
nkeynes@322 | 552 | /* Triangle(s) */ |
nkeynes@322 | 553 | int strip_count = ((entry >> 25) & 0x0F)+1; |
nkeynes@322 | 554 | float *vertexz = (float *)(polygon+context_length+2); |
nkeynes@322 | 555 | for( i=0; i<strip_count; i++ ) { |
nkeynes@322 | 556 | for( j=0; j<3; j++ ) { |
nkeynes@635 | 557 | if( *vertexz > *maximumz ) { |
nkeynes@635 | 558 | *maximumz = *vertexz; |
nkeynes@635 | 559 | } else if( *vertexz < *minimumz ) { |
nkeynes@635 | 560 | *minimumz = *vertexz; |
nkeynes@322 | 561 | } |
nkeynes@322 | 562 | vertexz += vertex_length; |
nkeynes@322 | 563 | } |
nkeynes@322 | 564 | vertexz += context_length; |
nkeynes@322 | 565 | } |
nkeynes@322 | 566 | } else if( (entry & 0xE0000000) == 0xA0000000 ) { |
nkeynes@322 | 567 | /* Sprite(s) */ |
nkeynes@322 | 568 | int strip_count = ((entry >> 25) & 0x0F)+1; |
nkeynes@322 | 569 | int i; |
nkeynes@322 | 570 | float *vertexz = (float *)(polygon+context_length+2); |
nkeynes@322 | 571 | for( i=0; i<strip_count; i++ ) { |
nkeynes@322 | 572 | for( j=0; j<4; j++ ) { |
nkeynes@635 | 573 | if( *vertexz > *maximumz ) { |
nkeynes@635 | 574 | *maximumz = *vertexz; |
nkeynes@635 | 575 | } else if( *vertexz < *minimumz ) { |
nkeynes@635 | 576 | *minimumz = *vertexz; |
nkeynes@322 | 577 | } |
nkeynes@322 | 578 | vertexz += vertex_length; |
nkeynes@322 | 579 | } |
nkeynes@322 | 580 | vertexz+=context_length; |
nkeynes@322 | 581 | } |
nkeynes@322 | 582 | } else { |
nkeynes@322 | 583 | /* Polygon */ |
nkeynes@429 | 584 | int i; |
nkeynes@322 | 585 | float *vertexz = (float *)polygon+context_length+2; |
nkeynes@322 | 586 | for( i=0; i<6; i++ ) { |
nkeynes@635 | 587 | if( (entry & (0x40000000>>i)) ) { |
nkeynes@635 | 588 | if( *vertexz > *maximumz ) { |
nkeynes@635 | 589 | *maximumz = *vertexz; |
nkeynes@635 | 590 | } else if( *vertexz < *minimumz ) { |
nkeynes@635 | 591 | *minimumz = *vertexz; |
nkeynes@635 | 592 | } |
nkeynes@322 | 593 | } |
nkeynes@322 | 594 | vertexz += vertex_length; |
nkeynes@322 | 595 | } |
nkeynes@322 | 596 | } |
nkeynes@322 | 597 | } |
nkeynes@322 | 598 | } while(1); |
nkeynes@322 | 599 | } |
nkeynes@322 | 600 | |
nkeynes@322 | 601 | /** |
nkeynes@322 | 602 | * Scan through the scene to determine the largest z value (in order to set up |
nkeynes@322 | 603 | * an appropriate near clip plane). |
nkeynes@322 | 604 | */ |
nkeynes@635 | 605 | void pvr2_render_find_z_range( float *minimumz, float *maximumz ) |
nkeynes@322 | 606 | { |
nkeynes@322 | 607 | pvraddr_t segmentbase = MMIO_READ( PVR2, RENDER_TILEBASE ); |
nkeynes@635 | 608 | *minimumz = MMIO_READF( PVR2, RENDER_FARCLIP ); /* Initialize to the far clip plane */ |
nkeynes@635 | 609 | *maximumz = *minimumz; |
nkeynes@322 | 610 | |
nkeynes@322 | 611 | struct tile_segment *segment = (struct tile_segment *)(video_base + segmentbase); |
nkeynes@322 | 612 | do { |
nkeynes@322 | 613 | |
nkeynes@322 | 614 | if( (segment->opaque_ptr & NO_POINTER) == 0 ) { |
nkeynes@635 | 615 | render_find_maximum_tile_z(segment->opaque_ptr, minimumz, maximumz); |
nkeynes@322 | 616 | } |
nkeynes@322 | 617 | if( (segment->opaquemod_ptr & NO_POINTER) == 0 ) { |
nkeynes@635 | 618 | render_find_maximum_tile_z(segment->opaquemod_ptr, minimumz, maximumz); |
nkeynes@322 | 619 | } |
nkeynes@322 | 620 | if( (segment->trans_ptr & NO_POINTER) == 0 ) { |
nkeynes@635 | 621 | render_find_maximum_tile_z(segment->trans_ptr, minimumz, maximumz); |
nkeynes@322 | 622 | } |
nkeynes@322 | 623 | if( (segment->transmod_ptr & NO_POINTER) == 0 ) { |
nkeynes@635 | 624 | render_find_maximum_tile_z(segment->transmod_ptr, minimumz, maximumz); |
nkeynes@322 | 625 | } |
nkeynes@322 | 626 | if( (segment->punchout_ptr & NO_POINTER) == 0 ) { |
nkeynes@635 | 627 | render_find_maximum_tile_z(segment->punchout_ptr, minimumz, maximumz); |
nkeynes@322 | 628 | } |
nkeynes@322 | 629 | |
nkeynes@322 | 630 | } while( ((segment++)->control & SEGMENT_END) == 0 ); |
nkeynes@322 | 631 | } |
nkeynes@338 | 632 | |
nkeynes@338 | 633 | /** |
nkeynes@338 | 634 | * Scan the segment info to determine the width and height of the render (in |
nkeynes@338 | 635 | * pixels). |
nkeynes@338 | 636 | * @param x,y output values to receive the width and height info. |
nkeynes@338 | 637 | */ |
nkeynes@338 | 638 | void pvr2_render_getsize( int *x, int *y ) |
nkeynes@338 | 639 | { |
nkeynes@338 | 640 | pvraddr_t segmentbase = MMIO_READ( PVR2, RENDER_TILEBASE ); |
nkeynes@338 | 641 | int maxx = 0, maxy = 0; |
nkeynes@338 | 642 | |
nkeynes@338 | 643 | struct tile_segment *segment = (struct tile_segment *)(video_base + segmentbase); |
nkeynes@338 | 644 | do { |
nkeynes@338 | 645 | int tilex = SEGMENT_X(segment->control); |
nkeynes@338 | 646 | int tiley = SEGMENT_Y(segment->control); |
nkeynes@338 | 647 | if( tilex > maxx ) { |
nkeynes@338 | 648 | maxx = tilex; |
nkeynes@338 | 649 | } |
nkeynes@338 | 650 | if( tiley > maxy ) { |
nkeynes@338 | 651 | maxy = tiley; |
nkeynes@338 | 652 | } |
nkeynes@338 | 653 | } while( ((segment++)->control & SEGMENT_END) == 0 ); |
nkeynes@338 | 654 | |
nkeynes@338 | 655 | *x = (maxx+1)<<5; |
nkeynes@338 | 656 | *y = (maxy+1)<<5; |
nkeynes@338 | 657 | } |
nkeynes@341 | 658 | |
nkeynes@341 | 659 | void render_print_vertexes( FILE *f, uint32_t poly1, uint32_t *vert_array[], |
nkeynes@341 | 660 | int num_vertexes, int vertex_size ) |
nkeynes@341 | 661 | { |
nkeynes@341 | 662 | char buf[256], *p; |
nkeynes@429 | 663 | int i, k; |
nkeynes@341 | 664 | for( i=0; i<num_vertexes; i++ ) { |
nkeynes@341 | 665 | p = buf; |
nkeynes@341 | 666 | float *vertf = (float *)vert_array[i]; |
nkeynes@341 | 667 | uint32_t *verti = (uint32_t *)vert_array[i]; |
nkeynes@341 | 668 | p += sprintf( p, " V %9.5f,%9.5f,%9.5f ", vertf[0], vertf[1], vertf[2] ); |
nkeynes@341 | 669 | k = 3; |
nkeynes@341 | 670 | if( POLY1_TEXTURED(poly1) ) { |
nkeynes@341 | 671 | if( POLY1_UV16(poly1) ) { |
nkeynes@341 | 672 | p += sprintf( p, "uv=%9.5f,%9.5f ", |
nkeynes@341 | 673 | halftofloat(verti[k]>>16), |
nkeynes@341 | 674 | halftofloat(verti[k]) ); |
nkeynes@341 | 675 | k++; |
nkeynes@341 | 676 | } else { |
nkeynes@341 | 677 | p += sprintf( p, "uv=%9.5f,%9.5f ", vertf[k], vertf[k+1] ); |
nkeynes@341 | 678 | k+=2; |
nkeynes@341 | 679 | } |
nkeynes@341 | 680 | } |
nkeynes@341 | 681 | |
nkeynes@341 | 682 | p += sprintf( p, "%08X ", verti[k++] ); |
nkeynes@341 | 683 | if( POLY1_SPECULAR(poly1) ) { |
nkeynes@341 | 684 | p += sprintf( p, "%08X", verti[k++] ); |
nkeynes@341 | 685 | } |
nkeynes@341 | 686 | p += sprintf( p, "\n" ); |
nkeynes@341 | 687 | fprintf( f, buf ); |
nkeynes@341 | 688 | } |
nkeynes@341 | 689 | } |
nkeynes@341 | 690 | |
nkeynes@341 | 691 | void render_print_polygon( FILE *f, uint32_t entry ) |
nkeynes@341 | 692 | { |
nkeynes@341 | 693 | uint32_t poly_bank = MMIO_READ(PVR2,RENDER_POLYBASE); |
nkeynes@341 | 694 | int shadow_cfg = MMIO_READ( PVR2, RENDER_SHADOW ) & 0x100; |
nkeynes@429 | 695 | int i; |
nkeynes@341 | 696 | |
nkeynes@341 | 697 | if( entry >> 28 == 0x0F ) { |
nkeynes@341 | 698 | fprintf( f, "EOT\n" ); |
nkeynes@341 | 699 | } else if( entry >> 28 == 0x0E ) { |
nkeynes@341 | 700 | fprintf( f, "LINK %08X\n", entry &0x7FFFFF ); |
nkeynes@341 | 701 | } else { |
nkeynes@341 | 702 | uint32_t *polygon = (uint32_t *)(video_base + poly_bank + ((entry & 0x000FFFFF) << 2)); |
nkeynes@341 | 703 | int vertex_length = (entry >> 21) & 0x07; |
nkeynes@341 | 704 | int context_length = 3; |
nkeynes@351 | 705 | if( (entry & 0x01000000) && (shadow_cfg==0) ) { |
nkeynes@341 | 706 | context_length = 5; |
nkeynes@341 | 707 | vertex_length *= 2 ; |
nkeynes@341 | 708 | } |
nkeynes@341 | 709 | vertex_length += 3; |
nkeynes@341 | 710 | if( (entry & 0xE0000000) == 0x80000000 ) { |
nkeynes@341 | 711 | /* Triangle(s) */ |
nkeynes@341 | 712 | int strip_count = ((entry >> 25) & 0x0F)+1; |
nkeynes@341 | 713 | for( i=0; i<strip_count; i++ ) { |
nkeynes@341 | 714 | fprintf( f, "TRI %08X %08X %08X\n", polygon[0], polygon[1], polygon[2] ); |
nkeynes@341 | 715 | uint32_t *array[3]; |
nkeynes@341 | 716 | array[0] = polygon + context_length; |
nkeynes@341 | 717 | array[1] = array[0] + vertex_length; |
nkeynes@341 | 718 | array[2] = array[1] + vertex_length; |
nkeynes@341 | 719 | render_print_vertexes( f, *polygon, array, 3, vertex_length ); |
nkeynes@341 | 720 | polygon = array[2] + vertex_length; |
nkeynes@341 | 721 | } |
nkeynes@341 | 722 | } else if( (entry & 0xE0000000) == 0xA0000000 ) { |
nkeynes@341 | 723 | /* Sprite(s) */ |
nkeynes@341 | 724 | int strip_count = ((entry >> 25) & 0x0F)+1; |
nkeynes@341 | 725 | for( i=0; i<strip_count; i++ ) { |
nkeynes@341 | 726 | fprintf( f, "QUAD %08X %08X %08X\n", polygon[0], polygon[1], polygon[2] ); |
nkeynes@341 | 727 | uint32_t *array[4]; |
nkeynes@341 | 728 | array[0] = polygon + context_length; |
nkeynes@341 | 729 | array[1] = array[0] + vertex_length; |
nkeynes@341 | 730 | array[2] = array[1] + vertex_length; |
nkeynes@341 | 731 | array[3] = array[2] + vertex_length; |
nkeynes@341 | 732 | render_print_vertexes( f, *polygon, array, 4, vertex_length ); |
nkeynes@341 | 733 | polygon = array[3] + vertex_length; |
nkeynes@341 | 734 | } |
nkeynes@341 | 735 | } else { |
nkeynes@341 | 736 | /* Polygon */ |
nkeynes@341 | 737 | int last = -1; |
nkeynes@341 | 738 | uint32_t *array[8]; |
nkeynes@341 | 739 | for( i=0; i<6; i++ ) { |
nkeynes@341 | 740 | if( entry & (0x40000000>>i) ) { |
nkeynes@341 | 741 | last = i; |
nkeynes@341 | 742 | } |
nkeynes@341 | 743 | } |
nkeynes@341 | 744 | fprintf( f, "POLY %08X %08X %08X\n", polygon[0], polygon[1], polygon[2] ); |
nkeynes@341 | 745 | for( i=0; i<last+2; i++ ) { |
nkeynes@341 | 746 | array[i] = polygon + context_length + vertex_length*i; |
nkeynes@341 | 747 | } |
nkeynes@341 | 748 | render_print_vertexes( f, *polygon, array, last+2, vertex_length ); |
nkeynes@341 | 749 | } |
nkeynes@341 | 750 | } |
nkeynes@341 | 751 | } |
nkeynes@341 | 752 | |
nkeynes@341 | 753 | void render_print_tilelist( FILE *f, uint32_t tile_entry ) |
nkeynes@341 | 754 | { |
nkeynes@341 | 755 | uint32_t *tile_list = (uint32_t *)(video_base+tile_entry); |
nkeynes@341 | 756 | do { |
nkeynes@341 | 757 | uint32_t entry = *tile_list++; |
nkeynes@341 | 758 | if( entry >> 28 == 0x0F ) { |
nkeynes@341 | 759 | break; |
nkeynes@341 | 760 | } else if( entry >> 28 == 0x0E ) { |
nkeynes@341 | 761 | tile_list = (uint32_t *)(video_base + (entry&0x007FFFFF)); |
nkeynes@341 | 762 | } else { |
nkeynes@341 | 763 | render_print_polygon(f, entry); |
nkeynes@341 | 764 | } |
nkeynes@341 | 765 | } while( 1 ); |
nkeynes@341 | 766 | } |
nkeynes@341 | 767 |
.