nkeynes@189 | 1 | /**
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nkeynes@429 | 2 | * $Id: rendcore.c,v 1.20 2007-10-08 11:52:13 nkeynes Exp $
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nkeynes@189 | 3 | *
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nkeynes@189 | 4 | * PVR2 renderer core.
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nkeynes@189 | 5 | *
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nkeynes@189 | 6 | * Copyright (c) 2005 Nathan Keynes.
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nkeynes@189 | 7 | *
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nkeynes@189 | 8 | * This program is free software; you can redistribute it and/or modify
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nkeynes@189 | 9 | * it under the terms of the GNU General Public License as published by
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nkeynes@189 | 10 | * the Free Software Foundation; either version 2 of the License, or
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nkeynes@189 | 11 | * (at your option) any later version.
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nkeynes@189 | 12 | *
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nkeynes@189 | 13 | * This program is distributed in the hope that it will be useful,
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nkeynes@189 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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nkeynes@189 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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nkeynes@189 | 16 | * GNU General Public License for more details.
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nkeynes@189 | 17 | */
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nkeynes@215 | 18 | #include <sys/time.h>
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nkeynes@189 | 19 | #include "pvr2/pvr2.h"
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nkeynes@189 | 20 | #include "asic.h"
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nkeynes@189 | 21 |
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nkeynes@429 | 22 | #define GL_GLEXT_PROTOTYPES 1
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nkeynes@429 | 23 | #include <GL/gl.h>
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nkeynes@429 | 24 | #include <GL/glext.h>
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nkeynes@429 | 25 |
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nkeynes@221 | 26 | int pvr2_poly_depthmode[8] = { GL_NEVER, GL_LESS, GL_EQUAL, GL_LEQUAL,
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nkeynes@189 | 27 | GL_GREATER, GL_NOTEQUAL, GL_GEQUAL,
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nkeynes@189 | 28 | GL_ALWAYS };
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nkeynes@221 | 29 | int pvr2_poly_srcblend[8] = {
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nkeynes@189 | 30 | GL_ZERO, GL_ONE, GL_DST_COLOR, GL_ONE_MINUS_DST_COLOR,
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nkeynes@189 | 31 | GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_DST_ALPHA,
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nkeynes@189 | 32 | GL_ONE_MINUS_DST_ALPHA };
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nkeynes@221 | 33 | int pvr2_poly_dstblend[8] = {
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nkeynes@189 | 34 | GL_ZERO, GL_ONE, GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR,
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nkeynes@189 | 35 | GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_DST_ALPHA,
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nkeynes@189 | 36 | GL_ONE_MINUS_DST_ALPHA };
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nkeynes@221 | 37 | int pvr2_poly_texblend[4] = {
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nkeynes@322 | 38 | GL_REPLACE,
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nkeynes@322 | 39 | GL_MODULATE,
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nkeynes@322 | 40 | GL_DECAL,
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nkeynes@322 | 41 | GL_MODULATE
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nkeynes@322 | 42 | };
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nkeynes@221 | 43 | int pvr2_render_colour_format[8] = {
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nkeynes@189 | 44 | COLFMT_ARGB1555, COLFMT_RGB565, COLFMT_ARGB4444, COLFMT_ARGB1555,
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nkeynes@189 | 45 | COLFMT_RGB888, COLFMT_ARGB8888, COLFMT_ARGB8888, COLFMT_ARGB4444 };
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nkeynes@189 | 46 |
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nkeynes@189 | 47 |
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nkeynes@189 | 48 | #define CULL_NONE 0
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nkeynes@189 | 49 | #define CULL_SMALL 1
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nkeynes@189 | 50 | #define CULL_CCW 2
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nkeynes@189 | 51 | #define CULL_CW 3
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nkeynes@189 | 52 |
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nkeynes@189 | 53 | #define SEGMENT_END 0x80000000
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nkeynes@298 | 54 | #define SEGMENT_ZCLEAR 0x40000000
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nkeynes@189 | 55 | #define SEGMENT_SORT_TRANS 0x20000000
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nkeynes@189 | 56 | #define SEGMENT_START 0x10000000
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nkeynes@189 | 57 | #define SEGMENT_X(c) (((c) >> 2) & 0x3F)
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nkeynes@189 | 58 | #define SEGMENT_Y(c) (((c) >> 8) & 0x3F)
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nkeynes@189 | 59 | #define NO_POINTER 0x80000000
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nkeynes@189 | 60 |
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nkeynes@189 | 61 | extern char *video_base;
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nkeynes@189 | 62 |
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nkeynes@322 | 63 | gboolean pvr2_force_fragment_alpha = FALSE;
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nkeynes@338 | 64 | gboolean pvr2_debug_render = FALSE;
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nkeynes@318 | 65 |
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nkeynes@189 | 66 | struct tile_segment {
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nkeynes@189 | 67 | uint32_t control;
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nkeynes@189 | 68 | pvraddr_t opaque_ptr;
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nkeynes@189 | 69 | pvraddr_t opaquemod_ptr;
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nkeynes@189 | 70 | pvraddr_t trans_ptr;
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nkeynes@189 | 71 | pvraddr_t transmod_ptr;
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nkeynes@189 | 72 | pvraddr_t punchout_ptr;
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nkeynes@189 | 73 | };
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nkeynes@189 | 74 |
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nkeynes@341 | 75 | void render_print_tilelist( FILE *f, uint32_t tile_entry );
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nkeynes@341 | 76 |
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nkeynes@189 | 77 | /**
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nkeynes@189 | 78 | * Convert a half-float (16-bit) FP number to a regular 32-bit float.
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nkeynes@189 | 79 | * Source is 1-bit sign, 5-bit exponent, 10-bit mantissa.
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nkeynes@189 | 80 | * TODO: Check the correctness of this.
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nkeynes@189 | 81 | */
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nkeynes@189 | 82 | float halftofloat( uint16_t half )
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nkeynes@189 | 83 | {
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nkeynes@189 | 84 | union {
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nkeynes@189 | 85 | float f;
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nkeynes@189 | 86 | uint32_t i;
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nkeynes@189 | 87 | } temp;
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nkeynes@308 | 88 | /* int e = ((half & 0x7C00) >> 10) - 15 + 127;
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nkeynes@189 | 89 |
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nkeynes@189 | 90 | temp.i = ((half & 0x8000) << 16) | (e << 23) |
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nkeynes@308 | 91 | ((half & 0x03FF) << 13); */
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nkeynes@308 | 92 | temp.i = ((uint32_t)half)<<16;
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nkeynes@189 | 93 | return temp.f;
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nkeynes@189 | 94 | }
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nkeynes@189 | 95 |
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nkeynes@189 | 96 |
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nkeynes@189 | 97 | /**
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nkeynes@189 | 98 | * Setup the GL context for the supplied polygon context.
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nkeynes@189 | 99 | * @param context pointer to 3 or 5 words of polygon context
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nkeynes@189 | 100 | * @param modified boolean flag indicating that the modified
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nkeynes@189 | 101 | * version should be used, rather than the normal version.
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nkeynes@189 | 102 | */
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nkeynes@189 | 103 | void render_set_context( uint32_t *context, int render_mode )
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nkeynes@189 | 104 | {
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nkeynes@189 | 105 | uint32_t poly1 = context[0], poly2, texture;
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nkeynes@189 | 106 | if( render_mode == RENDER_FULLMOD ) {
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nkeynes@189 | 107 | poly2 = context[3];
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nkeynes@189 | 108 | texture = context[4];
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nkeynes@189 | 109 | } else {
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nkeynes@189 | 110 | poly2 = context[1];
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nkeynes@189 | 111 | texture = context[2];
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nkeynes@189 | 112 | }
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nkeynes@338 | 113 |
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nkeynes@189 | 114 | if( POLY1_DEPTH_ENABLE(poly1) ) {
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nkeynes@189 | 115 | glEnable( GL_DEPTH_TEST );
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nkeynes@189 | 116 | glDepthFunc( POLY1_DEPTH_MODE(poly1) );
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nkeynes@189 | 117 | } else {
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nkeynes@189 | 118 | glDisable( GL_DEPTH_TEST );
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nkeynes@189 | 119 | }
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nkeynes@189 | 120 |
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nkeynes@189 | 121 | switch( POLY1_CULL_MODE(poly1) ) {
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nkeynes@189 | 122 | case CULL_NONE:
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nkeynes@189 | 123 | case CULL_SMALL:
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nkeynes@189 | 124 | glDisable( GL_CULL_FACE );
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nkeynes@189 | 125 | break;
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nkeynes@189 | 126 | case CULL_CCW:
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nkeynes@189 | 127 | glEnable( GL_CULL_FACE );
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nkeynes@189 | 128 | glFrontFace( GL_CW );
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nkeynes@189 | 129 | break;
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nkeynes@189 | 130 | case CULL_CW:
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nkeynes@189 | 131 | glEnable( GL_CULL_FACE );
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nkeynes@189 | 132 | glFrontFace( GL_CCW );
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nkeynes@189 | 133 | break;
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nkeynes@189 | 134 | }
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nkeynes@189 | 135 |
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nkeynes@318 | 136 | if( POLY1_SPECULAR(poly1) ) {
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nkeynes@318 | 137 | glEnable(GL_COLOR_SUM);
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nkeynes@318 | 138 | } else {
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nkeynes@318 | 139 | glDisable(GL_COLOR_SUM);
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nkeynes@318 | 140 | }
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nkeynes@318 | 141 |
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nkeynes@338 | 142 | pvr2_force_fragment_alpha = POLY2_ALPHA_ENABLE(poly2) ? FALSE : TRUE;
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nkeynes@338 | 143 |
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nkeynes@189 | 144 | if( POLY1_TEXTURED(poly1) ) {
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nkeynes@189 | 145 | int width = POLY2_TEX_WIDTH(poly2);
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nkeynes@189 | 146 | int height = POLY2_TEX_HEIGHT(poly2);
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nkeynes@189 | 147 | glEnable(GL_TEXTURE_2D);
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nkeynes@286 | 148 | texcache_get_texture( (texture&0x000FFFFF)<<3, width, height, texture );
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nkeynes@338 | 149 | switch( POLY2_TEX_BLEND(poly2) ) {
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nkeynes@338 | 150 | case 0: /* Replace */
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nkeynes@338 | 151 | glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE );
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nkeynes@338 | 152 | break;
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nkeynes@338 | 153 | case 2:/* Decal */
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nkeynes@338 | 154 | glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL );
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nkeynes@338 | 155 | break;
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nkeynes@338 | 156 | case 1: /* Modulate RGB */
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nkeynes@338 | 157 | /* This is not directly supported by opengl (other than by mucking
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nkeynes@338 | 158 | * with the texture format), but we get the same effect by forcing
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nkeynes@338 | 159 | * the fragment alpha to 1.0 and using GL_MODULATE.
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nkeynes@338 | 160 | */
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nkeynes@338 | 161 | pvr2_force_fragment_alpha = TRUE;
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nkeynes@338 | 162 | case 3: /* Modulate RGBA */
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nkeynes@338 | 163 | glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
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nkeynes@338 | 164 | break;
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nkeynes@338 | 165 | }
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nkeynes@352 | 166 |
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nkeynes@308 | 167 | if( POLY2_TEX_CLAMP_U(poly2) ) {
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nkeynes@308 | 168 | glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP );
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nkeynes@308 | 169 | } else {
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nkeynes@308 | 170 | glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT );
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nkeynes@308 | 171 | }
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nkeynes@308 | 172 | if( POLY2_TEX_CLAMP_V(poly2) ) {
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nkeynes@308 | 173 | glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP );
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nkeynes@308 | 174 | } else {
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nkeynes@350 | 175 | glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT );
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nkeynes@308 | 176 | }
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nkeynes@189 | 177 | } else {
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nkeynes@189 | 178 | glDisable( GL_TEXTURE_2D );
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nkeynes@189 | 179 | }
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nkeynes@189 | 180 |
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nkeynes@189 | 181 | glShadeModel( POLY1_SHADE_MODEL(poly1) );
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nkeynes@189 | 182 |
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nkeynes@221 | 183 | int srcblend = POLY2_SRC_BLEND(poly2);
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nkeynes@221 | 184 | int destblend = POLY2_DEST_BLEND(poly2);
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nkeynes@221 | 185 | glBlendFunc( srcblend, destblend );
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nkeynes@318 | 186 |
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nkeynes@322 | 187 | if( POLY2_SRC_BLEND_TARGET(poly2) || POLY2_DEST_BLEND_TARGET(poly2) ) {
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nkeynes@322 | 188 | ERROR( "Accumulation buffer not supported" );
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nkeynes@322 | 189 | }
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nkeynes@338 | 190 |
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nkeynes@318 | 191 |
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nkeynes@189 | 192 | }
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nkeynes@189 | 193 |
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nkeynes@319 | 194 | #define FARGB_A(x) (((float)(((x)>>24)+1))/256.0)
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nkeynes@319 | 195 | #define FARGB_R(x) (((float)((((x)>>16)&0xFF)+1))/256.0)
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nkeynes@319 | 196 | #define FARGB_G(x) (((float)((((x)>>8)&0xFF)+1))/256.0)
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nkeynes@319 | 197 | #define FARGB_B(x) (((float)(((x)&0xFF)+1))/256.0)
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nkeynes@319 | 198 |
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nkeynes@319 | 199 | void render_unpack_vertexes( struct vertex_unpacked *out, uint32_t poly1,
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nkeynes@319 | 200 | uint32_t *vertexes, int num_vertexes,
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nkeynes@319 | 201 | int vertex_size, int render_mode )
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nkeynes@319 | 202 | {
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nkeynes@319 | 203 | int m = 0, i;
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nkeynes@319 | 204 | if( render_mode == RENDER_FULLMOD ) {
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nkeynes@319 | 205 | m = (vertex_size - 3)/2;
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nkeynes@319 | 206 | }
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nkeynes@319 | 207 |
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nkeynes@319 | 208 | for( i=0; i<num_vertexes; i++ ) {
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nkeynes@319 | 209 | float *vertexf = (float *)vertexes;
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nkeynes@319 | 210 | int k = m + 3;
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nkeynes@319 | 211 | out[i].x = vertexf[0];
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nkeynes@319 | 212 | out[i].y = vertexf[1];
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nkeynes@319 | 213 | out[i].z = vertexf[2];
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nkeynes@319 | 214 | if( POLY1_TEXTURED(poly1) ) {
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nkeynes@319 | 215 | if( POLY1_UV16(poly1) ) {
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nkeynes@319 | 216 | out[i].u = halftofloat(vertexes[k]>>16);
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nkeynes@319 | 217 | out[i].v = halftofloat(vertexes[k]);
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nkeynes@319 | 218 | k++;
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nkeynes@319 | 219 | } else {
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nkeynes@319 | 220 | out[i].u = vertexf[k];
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nkeynes@319 | 221 | out[i].v = vertexf[k+1];
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nkeynes@319 | 222 | k+=2;
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nkeynes@319 | 223 | }
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nkeynes@319 | 224 | } else {
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nkeynes@319 | 225 | out[i].u = 0;
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nkeynes@319 | 226 | out[i].v = 0;
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nkeynes@319 | 227 | }
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nkeynes@319 | 228 | uint32_t argb = vertexes[k++];
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nkeynes@319 | 229 | out[i].rgba[0] = FARGB_R(argb);
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nkeynes@319 | 230 | out[i].rgba[1] = FARGB_G(argb);
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nkeynes@319 | 231 | out[i].rgba[2] = FARGB_B(argb);
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nkeynes@319 | 232 | out[i].rgba[3] = FARGB_A(argb);
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nkeynes@319 | 233 | if( POLY1_SPECULAR(poly1) ) {
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nkeynes@319 | 234 | uint32_t offset = vertexes[k++];
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nkeynes@429 | 235 | out[i].offset_rgba[0] = FARGB_R(offset);
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nkeynes@429 | 236 | out[i].offset_rgba[1] = FARGB_G(offset);
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nkeynes@429 | 237 | out[i].offset_rgba[2] = FARGB_B(offset);
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nkeynes@429 | 238 | out[i].offset_rgba[3] = FARGB_A(offset);
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nkeynes@319 | 239 | }
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nkeynes@319 | 240 | vertexes += vertex_size;
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nkeynes@319 | 241 | }
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nkeynes@319 | 242 | }
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nkeynes@319 | 243 |
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nkeynes@319 | 244 | /**
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nkeynes@319 | 245 | * Unpack the vertexes for a quad, calculating the values for the last
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nkeynes@319 | 246 | * vertex.
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nkeynes@319 | 247 | * FIXME: Integrate this with rendbkg somehow
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nkeynes@319 | 248 | */
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nkeynes@319 | 249 | void render_unpack_quad( struct vertex_unpacked *unpacked, uint32_t poly1,
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nkeynes@319 | 250 | uint32_t *vertexes, int vertex_size,
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nkeynes@319 | 251 | int render_mode )
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nkeynes@319 | 252 | {
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nkeynes@319 | 253 | int i;
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nkeynes@319 | 254 | struct vertex_unpacked diff0, diff1;
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nkeynes@319 | 255 |
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nkeynes@319 | 256 | render_unpack_vertexes( unpacked, poly1, vertexes, 3, vertex_size, render_mode );
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nkeynes@319 | 257 |
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nkeynes@319 | 258 | diff0.x = unpacked[0].x - unpacked[1].x;
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nkeynes@319 | 259 | diff0.y = unpacked[0].y - unpacked[1].y;
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nkeynes@319 | 260 | diff1.x = unpacked[2].x - unpacked[1].x;
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nkeynes@319 | 261 | diff1.y = unpacked[2].y - unpacked[1].y;
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nkeynes@319 | 262 |
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nkeynes@319 | 263 | float detxy = ((diff1.y) * (diff0.x)) - ((diff0.y) * (diff1.x));
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nkeynes@319 | 264 | float *vertexf = (float *)(vertexes+(vertex_size*3));
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nkeynes@319 | 265 | if( detxy == 0 ) {
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nkeynes@319 | 266 | memcpy( &unpacked[3], &unpacked[2], sizeof(struct vertex_unpacked) );
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nkeynes@319 | 267 | unpacked[3].x = vertexf[0];
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nkeynes@319 | 268 | unpacked[3].y = vertexf[1];
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nkeynes@319 | 269 | return;
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nkeynes@319 | 270 | }
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nkeynes@319 | 271 |
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nkeynes@319 | 272 | unpacked[3].x = vertexf[0];
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nkeynes@319 | 273 | unpacked[3].y = vertexf[1];
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nkeynes@319 | 274 | float t = ((unpacked[3].x - unpacked[1].x) * diff1.y -
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nkeynes@319 | 275 | (unpacked[3].y - unpacked[1].y) * diff1.x) / detxy;
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nkeynes@319 | 276 | float s = ((unpacked[3].y - unpacked[1].y) * diff0.x -
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nkeynes@319 | 277 | (unpacked[3].x - unpacked[1].x) * diff0.y) / detxy;
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nkeynes@331 | 278 | diff0.z = (1/unpacked[0].z) - (1/unpacked[1].z);
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nkeynes@331 | 279 | diff1.z = (1/unpacked[2].z) - (1/unpacked[1].z);
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nkeynes@331 | 280 | unpacked[3].z = 1/((1/unpacked[1].z) + (t*diff0.z) + (s*diff1.z));
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nkeynes@319 | 281 |
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nkeynes@319 | 282 | diff0.u = unpacked[0].u - unpacked[1].u;
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nkeynes@319 | 283 | diff0.v = unpacked[0].v - unpacked[1].v;
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nkeynes@319 | 284 | diff1.u = unpacked[2].u - unpacked[1].u;
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nkeynes@319 | 285 | diff1.v = unpacked[2].v - unpacked[1].v;
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nkeynes@319 | 286 | unpacked[3].u = unpacked[1].u + (t*diff0.u) + (s*diff1.u);
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nkeynes@319 | 287 | unpacked[3].v = unpacked[1].v + (t*diff0.v) + (s*diff1.v);
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nkeynes@319 | 288 |
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nkeynes@319 | 289 | if( !POLY1_GOURAUD_SHADED(poly1) ) {
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nkeynes@319 | 290 | memcpy( unpacked[3].rgba, unpacked[2].rgba, sizeof(unpacked[2].rgba) );
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nkeynes@319 | 291 | memcpy( unpacked[3].offset_rgba, unpacked[2].offset_rgba, sizeof(unpacked[2].offset_rgba) );
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nkeynes@319 | 292 | } else {
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nkeynes@319 | 293 | for( i=0; i<4; i++ ) {
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nkeynes@319 | 294 | float d0 = unpacked[0].rgba[i] - unpacked[1].rgba[i];
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nkeynes@319 | 295 | float d1 = unpacked[2].rgba[i] - unpacked[1].rgba[i];
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nkeynes@319 | 296 | unpacked[3].rgba[i] = unpacked[1].rgba[i] + (t*d0) + (s*d1);
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nkeynes@319 | 297 | d0 = unpacked[0].offset_rgba[i] - unpacked[1].offset_rgba[i];
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nkeynes@319 | 298 | d1 = unpacked[2].offset_rgba[i] - unpacked[1].offset_rgba[i];
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nkeynes@319 | 299 | unpacked[3].offset_rgba[i] = unpacked[1].offset_rgba[i] + (t*d0) + (s*d1);
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nkeynes@319 | 300 | }
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nkeynes@319 | 301 | }
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nkeynes@319 | 302 | }
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nkeynes@319 | 303 |
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nkeynes@319 | 304 | void render_unpacked_vertex_array( uint32_t poly1, struct vertex_unpacked *vertexes[],
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nkeynes@319 | 305 | int num_vertexes ) {
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nkeynes@319 | 306 | int i;
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nkeynes@319 | 307 |
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nkeynes@319 | 308 | glBegin( GL_TRIANGLE_STRIP );
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nkeynes@319 | 309 |
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nkeynes@319 | 310 | for( i=0; i<num_vertexes; i++ ) {
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nkeynes@319 | 311 | if( POLY1_TEXTURED(poly1) ) {
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nkeynes@319 | 312 | glTexCoord2f( vertexes[i]->u, vertexes[i]->v );
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nkeynes@319 | 313 | }
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nkeynes@319 | 314 |
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nkeynes@322 | 315 | if( pvr2_force_fragment_alpha ) {
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nkeynes@322 | 316 | glColor4f( vertexes[i]->rgba[0], vertexes[i]->rgba[1], vertexes[i]->rgba[2], 1.0 );
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nkeynes@322 | 317 | } else {
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nkeynes@322 | 318 | glColor4f( vertexes[i]->rgba[0], vertexes[i]->rgba[1], vertexes[i]->rgba[2],
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nkeynes@322 | 319 | vertexes[i]->rgba[3] );
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nkeynes@322 | 320 | }
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nkeynes@319 | 321 | if( POLY1_SPECULAR(poly1) ) {
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nkeynes@319 | 322 | glSecondaryColor3fEXT( vertexes[i]->offset_rgba[0],
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nkeynes@319 | 323 | vertexes[i]->offset_rgba[1],
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nkeynes@319 | 324 | vertexes[i]->offset_rgba[2] );
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nkeynes@319 | 325 | }
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nkeynes@331 | 326 | glVertex3f( vertexes[i]->x, vertexes[i]->y, 1/vertexes[i]->z );
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nkeynes@319 | 327 | }
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nkeynes@319 | 328 |
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nkeynes@319 | 329 | glEnd();
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nkeynes@319 | 330 | }
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nkeynes@319 | 331 |
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nkeynes@319 | 332 | void render_quad_vertexes( uint32_t poly1, uint32_t *vertexes, int vertex_size, int render_mode )
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nkeynes@319 | 333 | {
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nkeynes@319 | 334 | struct vertex_unpacked unpacked[4];
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nkeynes@319 | 335 | struct vertex_unpacked *pt[4] = {&unpacked[0], &unpacked[1], &unpacked[3], &unpacked[2]};
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nkeynes@319 | 336 | render_unpack_quad( unpacked, poly1, vertexes, vertex_size, render_mode );
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nkeynes@319 | 337 | render_unpacked_vertex_array( poly1, pt, 4 );
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nkeynes@319 | 338 | }
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nkeynes@319 | 339 |
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nkeynes@319 | 340 | void render_vertex_array( uint32_t poly1, uint32_t *vert_array[], int num_vertexes, int vertex_size,
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nkeynes@319 | 341 | int render_mode )
|
nkeynes@189 | 342 | {
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nkeynes@189 | 343 | int i, m=0;
|
nkeynes@189 | 344 |
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nkeynes@189 | 345 | if( render_mode == RENDER_FULLMOD ) {
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nkeynes@189 | 346 | m = (vertex_size - 3)/2;
|
nkeynes@189 | 347 | }
|
nkeynes@189 | 348 |
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nkeynes@189 | 349 | glBegin( GL_TRIANGLE_STRIP );
|
nkeynes@189 | 350 |
|
nkeynes@189 | 351 | for( i=0; i<num_vertexes; i++ ) {
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nkeynes@319 | 352 | uint32_t *vertexes = vert_array[i];
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nkeynes@319 | 353 | float *vertexf = (float *)vert_array[i];
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nkeynes@189 | 354 | uint32_t argb;
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nkeynes@318 | 355 | int k = m + 3;
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nkeynes@189 | 356 | if( POLY1_TEXTURED(poly1) ) {
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nkeynes@189 | 357 | if( POLY1_UV16(poly1) ) {
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nkeynes@318 | 358 | glTexCoord2f( halftofloat(vertexes[k]>>16),
|
nkeynes@318 | 359 | halftofloat(vertexes[k]) );
|
nkeynes@318 | 360 | k++;
|
nkeynes@189 | 361 | } else {
|
nkeynes@318 | 362 | glTexCoord2f( vertexf[k], vertexf[k+1] );
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nkeynes@318 | 363 | k+=2;
|
nkeynes@189 | 364 | }
|
nkeynes@189 | 365 | }
|
nkeynes@189 | 366 |
|
nkeynes@318 | 367 | argb = vertexes[k++];
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nkeynes@318 | 368 | if( pvr2_force_fragment_alpha ) {
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nkeynes@318 | 369 | glColor4ub( (GLubyte)(argb >> 16), (GLubyte)(argb >> 8),
|
nkeynes@318 | 370 | (GLubyte)argb, 0xFF );
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nkeynes@318 | 371 | } else {
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nkeynes@318 | 372 | glColor4ub( (GLubyte)(argb >> 16), (GLubyte)(argb >> 8),
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nkeynes@318 | 373 | (GLubyte)argb, (GLubyte)(argb >> 24) );
|
nkeynes@318 | 374 | }
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nkeynes@318 | 375 |
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nkeynes@318 | 376 | if( POLY1_SPECULAR(poly1) ) {
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nkeynes@318 | 377 | uint32_t spec = vertexes[k++];
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nkeynes@318 | 378 | glSecondaryColor3ubEXT( (GLubyte)(spec >> 16), (GLubyte)(spec >> 8),
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nkeynes@318 | 379 | (GLubyte)spec );
|
nkeynes@318 | 380 | }
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nkeynes@331 | 381 | glVertex3f( vertexf[0], vertexf[1], 1/vertexf[2] );
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nkeynes@189 | 382 | vertexes += vertex_size;
|
nkeynes@189 | 383 | }
|
nkeynes@189 | 384 |
|
nkeynes@189 | 385 | glEnd();
|
nkeynes@189 | 386 | }
|
nkeynes@189 | 387 |
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nkeynes@319 | 388 | void render_vertexes( uint32_t poly1, uint32_t *vertexes, int num_vertexes, int vertex_size,
|
nkeynes@319 | 389 | int render_mode )
|
nkeynes@319 | 390 | {
|
nkeynes@319 | 391 | uint32_t *vert_array[num_vertexes];
|
nkeynes@319 | 392 | int i;
|
nkeynes@319 | 393 | for( i=0; i<num_vertexes; i++ ) {
|
nkeynes@319 | 394 | vert_array[i] = vertexes;
|
nkeynes@319 | 395 | vertexes += vertex_size;
|
nkeynes@319 | 396 | }
|
nkeynes@319 | 397 | render_vertex_array( poly1, vert_array, num_vertexes, vertex_size, render_mode );
|
nkeynes@319 | 398 | }
|
nkeynes@319 | 399 |
|
nkeynes@189 | 400 | /**
|
nkeynes@189 | 401 | * Render a simple (not auto-sorted) tile
|
nkeynes@189 | 402 | */
|
nkeynes@189 | 403 | void render_tile( pvraddr_t tile_entry, int render_mode, gboolean cheap_modifier_mode ) {
|
nkeynes@215 | 404 | uint32_t poly_bank = MMIO_READ(PVR2,RENDER_POLYBASE);
|
nkeynes@189 | 405 | uint32_t *tile_list = (uint32_t *)(video_base+tile_entry);
|
nkeynes@189 | 406 | do {
|
nkeynes@189 | 407 | uint32_t entry = *tile_list++;
|
nkeynes@189 | 408 | if( entry >> 28 == 0x0F ) {
|
nkeynes@189 | 409 | break;
|
nkeynes@189 | 410 | } else if( entry >> 28 == 0x0E ) {
|
nkeynes@189 | 411 | tile_list = (uint32_t *)(video_base + (entry&0x007FFFFF));
|
nkeynes@189 | 412 | } else {
|
nkeynes@215 | 413 | uint32_t *polygon = (uint32_t *)(video_base + poly_bank + ((entry & 0x000FFFFF) << 2));
|
nkeynes@189 | 414 | int is_modified = entry & 0x01000000;
|
nkeynes@189 | 415 | int vertex_length = (entry >> 21) & 0x07;
|
nkeynes@189 | 416 | int context_length = 3;
|
nkeynes@189 | 417 | if( is_modified && !cheap_modifier_mode ) {
|
nkeynes@189 | 418 | context_length = 5;
|
nkeynes@189 | 419 | vertex_length *= 2 ;
|
nkeynes@189 | 420 | }
|
nkeynes@189 | 421 | vertex_length += 3;
|
nkeynes@308 | 422 |
|
nkeynes@189 | 423 | if( (entry & 0xE0000000) == 0x80000000 ) {
|
nkeynes@189 | 424 | /* Triangle(s) */
|
nkeynes@189 | 425 | int strip_count = ((entry >> 25) & 0x0F)+1;
|
nkeynes@189 | 426 | int polygon_length = 3 * vertex_length + context_length;
|
nkeynes@189 | 427 | int i;
|
nkeynes@189 | 428 | for( i=0; i<strip_count; i++ ) {
|
nkeynes@189 | 429 | render_set_context( polygon, render_mode );
|
nkeynes@189 | 430 | render_vertexes( *polygon, polygon+context_length, 3, vertex_length,
|
nkeynes@189 | 431 | render_mode );
|
nkeynes@189 | 432 | polygon += polygon_length;
|
nkeynes@189 | 433 | }
|
nkeynes@189 | 434 | } else if( (entry & 0xE0000000) == 0xA0000000 ) {
|
nkeynes@189 | 435 | /* Sprite(s) */
|
nkeynes@319 | 436 | int strip_count = ((entry >> 25) & 0x0F)+1;
|
nkeynes@189 | 437 | int polygon_length = 4 * vertex_length + context_length;
|
nkeynes@189 | 438 | int i;
|
nkeynes@189 | 439 | for( i=0; i<strip_count; i++ ) {
|
nkeynes@189 | 440 | render_set_context( polygon, render_mode );
|
nkeynes@319 | 441 | render_quad_vertexes( *polygon, polygon+context_length, vertex_length,
|
nkeynes@319 | 442 | render_mode );
|
nkeynes@189 | 443 | polygon += polygon_length;
|
nkeynes@189 | 444 | }
|
nkeynes@189 | 445 | } else {
|
nkeynes@189 | 446 | /* Polygon */
|
nkeynes@189 | 447 | int i, first=-1, last = -1;
|
nkeynes@189 | 448 | for( i=0; i<6; i++ ) {
|
nkeynes@189 | 449 | if( entry & (0x40000000>>i) ) {
|
nkeynes@189 | 450 | if( first == -1 ) first = i;
|
nkeynes@189 | 451 | last = i;
|
nkeynes@189 | 452 | }
|
nkeynes@189 | 453 | }
|
nkeynes@189 | 454 | if( first != -1 ) {
|
nkeynes@189 | 455 | first = 0;
|
nkeynes@189 | 456 | render_set_context(polygon, render_mode);
|
nkeynes@189 | 457 | render_vertexes( *polygon, polygon+context_length + (first*vertex_length),
|
nkeynes@189 | 458 | (last-first+3), vertex_length, render_mode );
|
nkeynes@189 | 459 | }
|
nkeynes@189 | 460 | }
|
nkeynes@189 | 461 | }
|
nkeynes@189 | 462 | } while( 1 );
|
nkeynes@189 | 463 | }
|
nkeynes@189 | 464 |
|
nkeynes@189 | 465 | void pvr2_render_tilebuffer( int width, int height, int clipx1, int clipy1,
|
nkeynes@189 | 466 | int clipx2, int clipy2 ) {
|
nkeynes@189 | 467 |
|
nkeynes@191 | 468 | pvraddr_t segmentbase = MMIO_READ( PVR2, RENDER_TILEBASE );
|
nkeynes@189 | 469 | int tile_sort;
|
nkeynes@189 | 470 | gboolean cheap_shadow;
|
nkeynes@189 | 471 |
|
nkeynes@191 | 472 | int obj_config = MMIO_READ( PVR2, RENDER_OBJCFG );
|
nkeynes@191 | 473 | int isp_config = MMIO_READ( PVR2, RENDER_ISPCFG );
|
nkeynes@191 | 474 | int shadow_cfg = MMIO_READ( PVR2, RENDER_SHADOW );
|
nkeynes@189 | 475 |
|
nkeynes@222 | 476 | if( (obj_config & 0x00200000) == 0 ) {
|
nkeynes@189 | 477 | if( isp_config & 1 ) {
|
nkeynes@189 | 478 | tile_sort = 0;
|
nkeynes@189 | 479 | } else {
|
nkeynes@189 | 480 | tile_sort = 2;
|
nkeynes@189 | 481 | }
|
nkeynes@189 | 482 | } else {
|
nkeynes@189 | 483 | tile_sort = 1;
|
nkeynes@189 | 484 | }
|
nkeynes@189 | 485 |
|
nkeynes@189 | 486 | cheap_shadow = shadow_cfg & 0x100 ? TRUE : FALSE;
|
nkeynes@189 | 487 |
|
nkeynes@189 | 488 | struct tile_segment *segment = (struct tile_segment *)(video_base + segmentbase);
|
nkeynes@189 | 489 |
|
nkeynes@215 | 490 | struct timeval tv_start, tv_end;
|
nkeynes@215 | 491 | gettimeofday(&tv_start, NULL);
|
nkeynes@189 | 492 | glEnable( GL_SCISSOR_TEST );
|
nkeynes@268 | 493 | do {
|
nkeynes@221 | 494 | // fwrite_dump32v( (uint32_t *)segment, sizeof(struct tile_segment), 6, stderr );
|
nkeynes@189 | 495 | int tilex = SEGMENT_X(segment->control);
|
nkeynes@189 | 496 | int tiley = SEGMENT_Y(segment->control);
|
nkeynes@189 | 497 |
|
nkeynes@189 | 498 | int x1 = tilex << 5;
|
nkeynes@189 | 499 | int y1 = tiley << 5;
|
nkeynes@189 | 500 | if( x1 + 32 <= clipx1 ||
|
nkeynes@189 | 501 | y1 + 32 <= clipy1 ||
|
nkeynes@189 | 502 | x1 >= clipx2 ||
|
nkeynes@189 | 503 | y1 >= clipy2 ) {
|
nkeynes@189 | 504 | /* Tile completely clipped, skip */
|
nkeynes@189 | 505 | continue;
|
nkeynes@189 | 506 | }
|
nkeynes@215 | 507 |
|
nkeynes@189 | 508 | /* Set a scissor on the visible part of the tile */
|
nkeynes@189 | 509 | int w = MIN(x1+32, clipx2) - x1;
|
nkeynes@189 | 510 | int h = MIN(y1+32, clipy2) - y1;
|
nkeynes@189 | 511 | x1 = MAX(x1,clipx1);
|
nkeynes@189 | 512 | y1 = MAX(y1,clipy1);
|
nkeynes@189 | 513 | glScissor( x1, height-y1-h, w, h );
|
nkeynes@189 | 514 |
|
nkeynes@189 | 515 | if( (segment->opaque_ptr & NO_POINTER) == 0 ) {
|
nkeynes@338 | 516 | if( pvr2_debug_render ) {
|
nkeynes@338 | 517 | fprintf( stderr, "Tile %d,%d Opaque\n", tilex, tiley );
|
nkeynes@341 | 518 | render_print_tilelist( stderr, segment->opaque_ptr );
|
nkeynes@338 | 519 | }
|
nkeynes@189 | 520 | if( (segment->opaquemod_ptr & NO_POINTER) == 0 ) {
|
nkeynes@189 | 521 | /* TODO */
|
nkeynes@189 | 522 | }
|
nkeynes@189 | 523 | render_tile( segment->opaque_ptr, RENDER_NORMAL, cheap_shadow );
|
nkeynes@189 | 524 | }
|
nkeynes@189 | 525 |
|
nkeynes@189 | 526 | if( (segment->trans_ptr & NO_POINTER) == 0 ) {
|
nkeynes@338 | 527 | if( pvr2_debug_render ) {
|
nkeynes@338 | 528 | fprintf( stderr, "Tile %d,%d Trans\n", tilex, tiley );
|
nkeynes@341 | 529 | render_print_tilelist( stderr, segment->trans_ptr );
|
nkeynes@338 | 530 | }
|
nkeynes@189 | 531 | if( (segment->transmod_ptr & NO_POINTER) == 0 ) {
|
nkeynes@189 | 532 | /* TODO */
|
nkeynes@189 | 533 | }
|
nkeynes@222 | 534 | if( tile_sort == 2 ||
|
nkeynes@222 | 535 | (tile_sort == 1 && ((segment->control & SEGMENT_SORT_TRANS)==0)) ) {
|
nkeynes@189 | 536 | render_autosort_tile( segment->trans_ptr, RENDER_NORMAL, cheap_shadow );
|
nkeynes@189 | 537 | } else {
|
nkeynes@189 | 538 | render_tile( segment->trans_ptr, RENDER_NORMAL, cheap_shadow );
|
nkeynes@189 | 539 | }
|
nkeynes@189 | 540 | }
|
nkeynes@189 | 541 |
|
nkeynes@189 | 542 | if( (segment->punchout_ptr & NO_POINTER) == 0 ) {
|
nkeynes@338 | 543 | if( pvr2_debug_render ) {
|
nkeynes@338 | 544 | fprintf( stderr, "Tile %d,%d Punchout\n", tilex, tiley );
|
nkeynes@341 | 545 | render_print_tilelist( stderr, segment->punchout_ptr );
|
nkeynes@338 | 546 | }
|
nkeynes@189 | 547 | render_tile( segment->punchout_ptr, RENDER_NORMAL, cheap_shadow );
|
nkeynes@189 | 548 | }
|
nkeynes@268 | 549 | } while( ((segment++)->control & SEGMENT_END) == 0 );
|
nkeynes@189 | 550 | glDisable( GL_SCISSOR_TEST );
|
nkeynes@215 | 551 |
|
nkeynes@215 | 552 | gettimeofday(&tv_end, NULL);
|
nkeynes@215 | 553 | timersub(&tv_end,&tv_start, &tv_start);
|
nkeynes@189 | 554 | }
|
nkeynes@322 | 555 |
|
nkeynes@322 | 556 | static float render_find_maximum_tile_z( pvraddr_t tile_entry, float inputz )
|
nkeynes@322 | 557 | {
|
nkeynes@322 | 558 | uint32_t poly_bank = MMIO_READ(PVR2,RENDER_POLYBASE);
|
nkeynes@322 | 559 | uint32_t *tile_list = (uint32_t *)(video_base+tile_entry);
|
nkeynes@322 | 560 | int shadow_cfg = MMIO_READ( PVR2, RENDER_SHADOW ) & 0x100;
|
nkeynes@322 | 561 | int i, j;
|
nkeynes@322 | 562 | float z = inputz;
|
nkeynes@322 | 563 | do {
|
nkeynes@322 | 564 | uint32_t entry = *tile_list++;
|
nkeynes@322 | 565 | if( entry >> 28 == 0x0F ) {
|
nkeynes@322 | 566 | break;
|
nkeynes@322 | 567 | } else if( entry >> 28 == 0x0E ) {
|
nkeynes@322 | 568 | tile_list = (uint32_t *)(video_base + (entry&0x007FFFFF));
|
nkeynes@322 | 569 | } else {
|
nkeynes@322 | 570 | uint32_t *polygon = (uint32_t *)(video_base + poly_bank + ((entry & 0x000FFFFF) << 2));
|
nkeynes@322 | 571 | int vertex_length = (entry >> 21) & 0x07;
|
nkeynes@322 | 572 | int context_length = 3;
|
nkeynes@351 | 573 | if( (entry & 0x01000000) && (shadow_cfg==0) ) {
|
nkeynes@322 | 574 | context_length = 5;
|
nkeynes@322 | 575 | vertex_length *= 2 ;
|
nkeynes@322 | 576 | }
|
nkeynes@322 | 577 | vertex_length += 3;
|
nkeynes@322 | 578 | if( (entry & 0xE0000000) == 0x80000000 ) {
|
nkeynes@322 | 579 | /* Triangle(s) */
|
nkeynes@322 | 580 | int strip_count = ((entry >> 25) & 0x0F)+1;
|
nkeynes@322 | 581 | float *vertexz = (float *)(polygon+context_length+2);
|
nkeynes@322 | 582 | for( i=0; i<strip_count; i++ ) {
|
nkeynes@322 | 583 | for( j=0; j<3; j++ ) {
|
nkeynes@322 | 584 | if( *vertexz > z ) {
|
nkeynes@322 | 585 | z = *vertexz;
|
nkeynes@322 | 586 | }
|
nkeynes@322 | 587 | vertexz += vertex_length;
|
nkeynes@322 | 588 | }
|
nkeynes@322 | 589 | vertexz += context_length;
|
nkeynes@322 | 590 | }
|
nkeynes@322 | 591 | } else if( (entry & 0xE0000000) == 0xA0000000 ) {
|
nkeynes@322 | 592 | /* Sprite(s) */
|
nkeynes@322 | 593 | int strip_count = ((entry >> 25) & 0x0F)+1;
|
nkeynes@322 | 594 | int i;
|
nkeynes@322 | 595 | float *vertexz = (float *)(polygon+context_length+2);
|
nkeynes@322 | 596 | for( i=0; i<strip_count; i++ ) {
|
nkeynes@322 | 597 | for( j=0; j<4; j++ ) {
|
nkeynes@322 | 598 | if( *vertexz > z ) {
|
nkeynes@322 | 599 | z = *vertexz;
|
nkeynes@322 | 600 | }
|
nkeynes@322 | 601 | vertexz += vertex_length;
|
nkeynes@322 | 602 | }
|
nkeynes@322 | 603 | vertexz+=context_length;
|
nkeynes@322 | 604 | }
|
nkeynes@322 | 605 | } else {
|
nkeynes@322 | 606 | /* Polygon */
|
nkeynes@429 | 607 | int i;
|
nkeynes@322 | 608 | float *vertexz = (float *)polygon+context_length+2;
|
nkeynes@322 | 609 | for( i=0; i<6; i++ ) {
|
nkeynes@322 | 610 | if( (entry & (0x40000000>>i)) && *vertexz > z ) {
|
nkeynes@322 | 611 | z = *vertexz;
|
nkeynes@322 | 612 | }
|
nkeynes@322 | 613 | vertexz += vertex_length;
|
nkeynes@322 | 614 | }
|
nkeynes@322 | 615 | }
|
nkeynes@322 | 616 | }
|
nkeynes@322 | 617 | } while(1);
|
nkeynes@322 | 618 | return z;
|
nkeynes@322 | 619 | }
|
nkeynes@322 | 620 |
|
nkeynes@322 | 621 | /**
|
nkeynes@322 | 622 | * Scan through the scene to determine the largest z value (in order to set up
|
nkeynes@322 | 623 | * an appropriate near clip plane).
|
nkeynes@322 | 624 | */
|
nkeynes@322 | 625 | float pvr2_render_find_maximum_z( )
|
nkeynes@322 | 626 | {
|
nkeynes@322 | 627 | pvraddr_t segmentbase = MMIO_READ( PVR2, RENDER_TILEBASE );
|
nkeynes@322 | 628 | float maximumz = MMIO_READF( PVR2, RENDER_FARCLIP ); /* Initialize to the far clip plane */
|
nkeynes@322 | 629 |
|
nkeynes@322 | 630 | struct tile_segment *segment = (struct tile_segment *)(video_base + segmentbase);
|
nkeynes@322 | 631 | do {
|
nkeynes@322 | 632 |
|
nkeynes@322 | 633 | if( (segment->opaque_ptr & NO_POINTER) == 0 ) {
|
nkeynes@322 | 634 | maximumz = render_find_maximum_tile_z(segment->opaque_ptr, maximumz);
|
nkeynes@322 | 635 | }
|
nkeynes@322 | 636 | if( (segment->opaquemod_ptr & NO_POINTER) == 0 ) {
|
nkeynes@322 | 637 | maximumz = render_find_maximum_tile_z(segment->opaquemod_ptr, maximumz);
|
nkeynes@322 | 638 | }
|
nkeynes@322 | 639 | if( (segment->trans_ptr & NO_POINTER) == 0 ) {
|
nkeynes@322 | 640 | maximumz = render_find_maximum_tile_z(segment->trans_ptr, maximumz);
|
nkeynes@322 | 641 | }
|
nkeynes@322 | 642 | if( (segment->transmod_ptr & NO_POINTER) == 0 ) {
|
nkeynes@322 | 643 | maximumz = render_find_maximum_tile_z(segment->transmod_ptr, maximumz);
|
nkeynes@322 | 644 | }
|
nkeynes@322 | 645 | if( (segment->punchout_ptr & NO_POINTER) == 0 ) {
|
nkeynes@322 | 646 | maximumz = render_find_maximum_tile_z(segment->punchout_ptr, maximumz);
|
nkeynes@322 | 647 | }
|
nkeynes@322 | 648 |
|
nkeynes@322 | 649 | } while( ((segment++)->control & SEGMENT_END) == 0 );
|
nkeynes@322 | 650 |
|
nkeynes@331 | 651 | return 1/maximumz;
|
nkeynes@322 | 652 | }
|
nkeynes@338 | 653 |
|
nkeynes@338 | 654 | /**
|
nkeynes@338 | 655 | * Scan the segment info to determine the width and height of the render (in
|
nkeynes@338 | 656 | * pixels).
|
nkeynes@338 | 657 | * @param x,y output values to receive the width and height info.
|
nkeynes@338 | 658 | */
|
nkeynes@338 | 659 | void pvr2_render_getsize( int *x, int *y )
|
nkeynes@338 | 660 | {
|
nkeynes@338 | 661 | pvraddr_t segmentbase = MMIO_READ( PVR2, RENDER_TILEBASE );
|
nkeynes@338 | 662 | int maxx = 0, maxy = 0;
|
nkeynes@338 | 663 |
|
nkeynes@338 | 664 | struct tile_segment *segment = (struct tile_segment *)(video_base + segmentbase);
|
nkeynes@338 | 665 | do {
|
nkeynes@338 | 666 | int tilex = SEGMENT_X(segment->control);
|
nkeynes@338 | 667 | int tiley = SEGMENT_Y(segment->control);
|
nkeynes@338 | 668 | if( tilex > maxx ) {
|
nkeynes@338 | 669 | maxx = tilex;
|
nkeynes@338 | 670 | }
|
nkeynes@338 | 671 | if( tiley > maxy ) {
|
nkeynes@338 | 672 | maxy = tiley;
|
nkeynes@338 | 673 | }
|
nkeynes@338 | 674 | } while( ((segment++)->control & SEGMENT_END) == 0 );
|
nkeynes@338 | 675 |
|
nkeynes@338 | 676 | *x = (maxx+1)<<5;
|
nkeynes@338 | 677 | *y = (maxy+1)<<5;
|
nkeynes@338 | 678 | }
|
nkeynes@341 | 679 |
|
nkeynes@341 | 680 | void render_print_vertexes( FILE *f, uint32_t poly1, uint32_t *vert_array[],
|
nkeynes@341 | 681 | int num_vertexes, int vertex_size )
|
nkeynes@341 | 682 | {
|
nkeynes@341 | 683 | char buf[256], *p;
|
nkeynes@429 | 684 | int i, k;
|
nkeynes@341 | 685 | for( i=0; i<num_vertexes; i++ ) {
|
nkeynes@341 | 686 | p = buf;
|
nkeynes@341 | 687 | float *vertf = (float *)vert_array[i];
|
nkeynes@341 | 688 | uint32_t *verti = (uint32_t *)vert_array[i];
|
nkeynes@341 | 689 | p += sprintf( p, " V %9.5f,%9.5f,%9.5f ", vertf[0], vertf[1], vertf[2] );
|
nkeynes@341 | 690 | k = 3;
|
nkeynes@341 | 691 | if( POLY1_TEXTURED(poly1) ) {
|
nkeynes@341 | 692 | if( POLY1_UV16(poly1) ) {
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nkeynes@341 | 693 | p += sprintf( p, "uv=%9.5f,%9.5f ",
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nkeynes@341 | 694 | halftofloat(verti[k]>>16),
|
nkeynes@341 | 695 | halftofloat(verti[k]) );
|
nkeynes@341 | 696 | k++;
|
nkeynes@341 | 697 | } else {
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nkeynes@341 | 698 | p += sprintf( p, "uv=%9.5f,%9.5f ", vertf[k], vertf[k+1] );
|
nkeynes@341 | 699 | k+=2;
|
nkeynes@341 | 700 | }
|
nkeynes@341 | 701 | }
|
nkeynes@341 | 702 |
|
nkeynes@341 | 703 | p += sprintf( p, "%08X ", verti[k++] );
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nkeynes@341 | 704 | if( POLY1_SPECULAR(poly1) ) {
|
nkeynes@341 | 705 | p += sprintf( p, "%08X", verti[k++] );
|
nkeynes@341 | 706 | }
|
nkeynes@341 | 707 | p += sprintf( p, "\n" );
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nkeynes@341 | 708 | fprintf( f, buf );
|
nkeynes@341 | 709 | }
|
nkeynes@341 | 710 | }
|
nkeynes@341 | 711 |
|
nkeynes@341 | 712 | void render_print_polygon( FILE *f, uint32_t entry )
|
nkeynes@341 | 713 | {
|
nkeynes@341 | 714 | uint32_t poly_bank = MMIO_READ(PVR2,RENDER_POLYBASE);
|
nkeynes@341 | 715 | int shadow_cfg = MMIO_READ( PVR2, RENDER_SHADOW ) & 0x100;
|
nkeynes@429 | 716 | int i;
|
nkeynes@341 | 717 |
|
nkeynes@341 | 718 | if( entry >> 28 == 0x0F ) {
|
nkeynes@341 | 719 | fprintf( f, "EOT\n" );
|
nkeynes@341 | 720 | } else if( entry >> 28 == 0x0E ) {
|
nkeynes@341 | 721 | fprintf( f, "LINK %08X\n", entry &0x7FFFFF );
|
nkeynes@341 | 722 | } else {
|
nkeynes@341 | 723 | uint32_t *polygon = (uint32_t *)(video_base + poly_bank + ((entry & 0x000FFFFF) << 2));
|
nkeynes@341 | 724 | int vertex_length = (entry >> 21) & 0x07;
|
nkeynes@341 | 725 | int context_length = 3;
|
nkeynes@351 | 726 | if( (entry & 0x01000000) && (shadow_cfg==0) ) {
|
nkeynes@341 | 727 | context_length = 5;
|
nkeynes@341 | 728 | vertex_length *= 2 ;
|
nkeynes@341 | 729 | }
|
nkeynes@341 | 730 | vertex_length += 3;
|
nkeynes@341 | 731 | if( (entry & 0xE0000000) == 0x80000000 ) {
|
nkeynes@341 | 732 | /* Triangle(s) */
|
nkeynes@341 | 733 | int strip_count = ((entry >> 25) & 0x0F)+1;
|
nkeynes@341 | 734 | for( i=0; i<strip_count; i++ ) {
|
nkeynes@341 | 735 | fprintf( f, "TRI %08X %08X %08X\n", polygon[0], polygon[1], polygon[2] );
|
nkeynes@341 | 736 | uint32_t *array[3];
|
nkeynes@341 | 737 | array[0] = polygon + context_length;
|
nkeynes@341 | 738 | array[1] = array[0] + vertex_length;
|
nkeynes@341 | 739 | array[2] = array[1] + vertex_length;
|
nkeynes@341 | 740 | render_print_vertexes( f, *polygon, array, 3, vertex_length );
|
nkeynes@341 | 741 | polygon = array[2] + vertex_length;
|
nkeynes@341 | 742 | }
|
nkeynes@341 | 743 | } else if( (entry & 0xE0000000) == 0xA0000000 ) {
|
nkeynes@341 | 744 | /* Sprite(s) */
|
nkeynes@341 | 745 | int strip_count = ((entry >> 25) & 0x0F)+1;
|
nkeynes@341 | 746 | for( i=0; i<strip_count; i++ ) {
|
nkeynes@341 | 747 | fprintf( f, "QUAD %08X %08X %08X\n", polygon[0], polygon[1], polygon[2] );
|
nkeynes@341 | 748 | uint32_t *array[4];
|
nkeynes@341 | 749 | array[0] = polygon + context_length;
|
nkeynes@341 | 750 | array[1] = array[0] + vertex_length;
|
nkeynes@341 | 751 | array[2] = array[1] + vertex_length;
|
nkeynes@341 | 752 | array[3] = array[2] + vertex_length;
|
nkeynes@341 | 753 | render_print_vertexes( f, *polygon, array, 4, vertex_length );
|
nkeynes@341 | 754 | polygon = array[3] + vertex_length;
|
nkeynes@341 | 755 | }
|
nkeynes@341 | 756 | } else {
|
nkeynes@341 | 757 | /* Polygon */
|
nkeynes@341 | 758 | int last = -1;
|
nkeynes@341 | 759 | uint32_t *array[8];
|
nkeynes@341 | 760 | for( i=0; i<6; i++ ) {
|
nkeynes@341 | 761 | if( entry & (0x40000000>>i) ) {
|
nkeynes@341 | 762 | last = i;
|
nkeynes@341 | 763 | }
|
nkeynes@341 | 764 | }
|
nkeynes@341 | 765 | fprintf( f, "POLY %08X %08X %08X\n", polygon[0], polygon[1], polygon[2] );
|
nkeynes@341 | 766 | for( i=0; i<last+2; i++ ) {
|
nkeynes@341 | 767 | array[i] = polygon + context_length + vertex_length*i;
|
nkeynes@341 | 768 | }
|
nkeynes@341 | 769 | render_print_vertexes( f, *polygon, array, last+2, vertex_length );
|
nkeynes@341 | 770 | }
|
nkeynes@341 | 771 | }
|
nkeynes@341 | 772 | }
|
nkeynes@341 | 773 |
|
nkeynes@341 | 774 | void render_print_tilelist( FILE *f, uint32_t tile_entry )
|
nkeynes@341 | 775 | {
|
nkeynes@341 | 776 | uint32_t *tile_list = (uint32_t *)(video_base+tile_entry);
|
nkeynes@341 | 777 | do {
|
nkeynes@341 | 778 | uint32_t entry = *tile_list++;
|
nkeynes@341 | 779 | if( entry >> 28 == 0x0F ) {
|
nkeynes@341 | 780 | break;
|
nkeynes@341 | 781 | } else if( entry >> 28 == 0x0E ) {
|
nkeynes@341 | 782 | tile_list = (uint32_t *)(video_base + (entry&0x007FFFFF));
|
nkeynes@341 | 783 | } else {
|
nkeynes@341 | 784 | render_print_polygon(f, entry);
|
nkeynes@341 | 785 | }
|
nkeynes@341 | 786 | } while( 1 );
|
nkeynes@341 | 787 | }
|
nkeynes@341 | 788 |
|