rev |
line source |
nuclear@0
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1 #include <stdio.h>
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nuclear@0
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2 #include <stdlib.h>
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nuclear@11
|
3 #include <string.h>
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nuclear@0
|
4 #include <math.h>
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nuclear@0
|
5 #include <assert.h>
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nuclear@3
|
6 #include "opengl.h"
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nuclear@11
|
7 #include "udg.h"
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nuclear@0
|
8 #include "sdr.h"
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nuclear@0
|
9 #include "dither_matrix.h"
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nuclear@3
|
10 #include "scroller.h"
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nuclear@5
|
11 #include "mballs.h"
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nuclear@9
|
12 #include "dsys.h"
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nuclear@11
|
13 #include "post.h"
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nuclear@0
|
14
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nuclear@2
|
15 #define DITHER_SZ 8
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nuclear@0
|
16 #define DITHER_LEVELS 16
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nuclear@0
|
17
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nuclear@1
|
18 #if DITHER_SZ == 4
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nuclear@1
|
19 #define dither_matrix dither_matrix4
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nuclear@1
|
20 #elif DITHER_SZ == 8
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nuclear@3
|
21 #define dither_matrix halftone_matrix8
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nuclear@1
|
22 #else
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nuclear@1
|
23 #error "invalid dither size"
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nuclear@1
|
24 #endif
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nuclear@1
|
25
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nuclear@0
|
26 struct render_target {
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nuclear@0
|
27 unsigned int fbo;
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nuclear@0
|
28 unsigned int color_tex, depth_buf;
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nuclear@0
|
29 };
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nuclear@0
|
30
|
nuclear@0
|
31 bool init();
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nuclear@0
|
32 void cleanup();
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nuclear@0
|
33 void disp();
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nuclear@0
|
34 void idle();
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nuclear@0
|
35 void reshape(int x, int y);
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nuclear@0
|
36 void keyb(unsigned char key, int x, int y);
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nuclear@0
|
37 void mouse(int bn, int state, int x, int y);
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nuclear@0
|
38 void motion(int x, int y);
|
nuclear@0
|
39 struct render_target *create_rtarg(int xsz, int ysz);
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nuclear@0
|
40 void destroy_rtarg(struct render_target *rt);
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nuclear@11
|
41 bool parse_args(int argc, char **argv);
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nuclear@0
|
42
|
nuclear@0
|
43 int xsz, ysz;
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nuclear@8
|
44 float cam_theta, cam_phi = 25, cam_dist = 11;
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nuclear@0
|
45 unsigned int dither_tex;
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nuclear@0
|
46 struct render_target *rtarg;
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nuclear@7
|
47 unsigned int post_prog, phong_prog;
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nuclear@0
|
48
|
nuclear@5
|
49 int opt_highres, opt_regular_render;
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nuclear@8
|
50 bool opt_autorot = true;
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nuclear@5
|
51
|
nuclear@9
|
52 struct dsys_demo *demo;
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nuclear@11
|
53 struct dsys_event *evfadein;
|
nuclear@5
|
54
|
nuclear@0
|
55 int main(int argc, char **argv)
|
nuclear@0
|
56 {
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nuclear@11
|
57 glutInitWindowSize(1024, 768);
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nuclear@0
|
58 glutInit(&argc, argv);
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nuclear@11
|
59
|
nuclear@11
|
60 if(!parse_args(argc, argv)) {
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nuclear@11
|
61 return 1;
|
nuclear@11
|
62 }
|
nuclear@11
|
63
|
nuclear@0
|
64 glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
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nuclear@0
|
65 glutCreateWindow("DBF UDG compo entry by Nuclear");
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nuclear@0
|
66
|
nuclear@0
|
67 glutDisplayFunc(disp);
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nuclear@0
|
68 glutIdleFunc(idle);
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nuclear@0
|
69 glutReshapeFunc(reshape);
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nuclear@0
|
70 glutKeyboardFunc(keyb);
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nuclear@0
|
71 glutMouseFunc(mouse);
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nuclear@0
|
72 glutMotionFunc(motion);
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nuclear@0
|
73
|
nuclear@0
|
74 glewInit();
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nuclear@0
|
75
|
nuclear@0
|
76 if(!init()) {
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nuclear@0
|
77 return 1;
|
nuclear@0
|
78 }
|
nuclear@0
|
79
|
nuclear@0
|
80 glutMainLoop();
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nuclear@0
|
81 return 0;
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nuclear@0
|
82 }
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nuclear@0
|
83
|
nuclear@0
|
84 bool init()
|
nuclear@0
|
85 {
|
nuclear@11
|
86 if(!(demo = dsys_open("demoscript"))) {
|
nuclear@11
|
87 return false;
|
nuclear@11
|
88 }
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nuclear@11
|
89 evfadein = dsys_event(demo, "fade_in");
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nuclear@11
|
90 dsys_set_event_eval(evfadein, dsys_eval_sigmoid);
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nuclear@11
|
91
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nuclear@11
|
92 // dump the tile image
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nuclear@6
|
93 FILE *fp = fopen("udg.ppm", "wb");
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nuclear@6
|
94 if(fp) {
|
nuclear@6
|
95 fprintf(fp, "P6\n%d %d\n255\n", DITHER_SZ, DITHER_SZ * DITHER_LEVELS);
|
nuclear@6
|
96 }
|
nuclear@6
|
97
|
nuclear@6
|
98 unsigned char *img = new unsigned char[DITHER_SZ * DITHER_SZ * DITHER_LEVELS];
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nuclear@6
|
99 unsigned char *ptr = img;
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nuclear@0
|
100
|
nuclear@0
|
101 for(int i=0; i<DITHER_LEVELS; i++) {
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nuclear@0
|
102 float val = (float)i / (float)(DITHER_LEVELS - 1);
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nuclear@0
|
103 for(int y=0; y<DITHER_SZ; y++) {
|
nuclear@0
|
104 for(int x=0; x<DITHER_SZ; x++) {
|
nuclear@0
|
105 /* (1 + M) / (1 + MxN) */
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nuclear@1
|
106 float thres = (1.0 + dither_matrix[x][y]) / (1.0 + DITHER_SZ * DITHER_SZ);
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nuclear@6
|
107 *ptr++ = val >= thres ? 255 : 0;
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nuclear@6
|
108
|
nuclear@6
|
109 if(fp) {
|
nuclear@6
|
110 int r = ptr[-1] ? 246 : 10;
|
nuclear@6
|
111 int g = ptr[-1] ? 198 : 72;
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nuclear@6
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112 int b = ptr[-1] ? 141 : 85;
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nuclear@6
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113 fputc(r, fp);
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nuclear@6
|
114 fputc(g, fp);
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nuclear@6
|
115 fputc(b, fp);
|
nuclear@6
|
116 }
|
nuclear@0
|
117 }
|
nuclear@0
|
118 }
|
nuclear@0
|
119 }
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nuclear@0
|
120
|
nuclear@6
|
121 if(fp) {
|
nuclear@6
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122 fclose(fp);
|
nuclear@6
|
123 }
|
nuclear@6
|
124
|
nuclear@7
|
125 if(!(phong_prog = create_program_load("sdr/phong.v.glsl", "sdr/phong.p.glsl"))) {
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nuclear@7
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126 return false;
|
nuclear@7
|
127 }
|
nuclear@7
|
128
|
nuclear@7
|
129 if(!(post_prog = create_program_load("sdr/dither.v.glsl", "sdr/dither.p.glsl"))) {
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nuclear@0
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130 return false;
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nuclear@0
|
131 }
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nuclear@0
|
132
|
nuclear@0
|
133 glGenTextures(1, &dither_tex);
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nuclear@0
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134 glBindTexture(GL_TEXTURE_2D, dither_tex);
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nuclear@0
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135 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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nuclear@0
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136 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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nuclear@0
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137 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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nuclear@0
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138 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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nuclear@6
|
139 glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, DITHER_SZ, DITHER_SZ * DITHER_LEVELS, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, img);
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nuclear@0
|
140
|
nuclear@3
|
141 if(!init_scroller()) {
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nuclear@3
|
142 return false;
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nuclear@3
|
143 }
|
nuclear@3
|
144
|
nuclear@5
|
145 if(!mball_init()) {
|
nuclear@5
|
146 return false;
|
nuclear@5
|
147 }
|
nuclear@5
|
148
|
nuclear@0
|
149 glEnable(GL_CULL_FACE);
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nuclear@0
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150 glEnable(GL_DEPTH_TEST);
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nuclear@0
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151 glEnable(GL_LIGHTING);
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nuclear@0
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152 glEnable(GL_LIGHT0);
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nuclear@8
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153 glEnable(GL_LIGHT1);
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nuclear@5
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154 glEnable(GL_NORMALIZE);
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nuclear@0
|
155
|
nuclear@11
|
156 //dsys_start(demo);
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nuclear@10
|
157
|
nuclear@0
|
158 return true;
|
nuclear@0
|
159 }
|
nuclear@0
|
160
|
nuclear@0
|
161 void draw_backdrop()
|
nuclear@0
|
162 {
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nuclear@0
|
163 glPushAttrib(GL_ENABLE_BIT);
|
nuclear@0
|
164 glDisable(GL_DEPTH_TEST);
|
nuclear@0
|
165 glDisable(GL_LIGHTING);
|
nuclear@0
|
166
|
nuclear@0
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167 glMatrixMode(GL_MODELVIEW);
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nuclear@0
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168 glPushMatrix();
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nuclear@0
|
169 glLoadIdentity();
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nuclear@0
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170 glMatrixMode(GL_PROJECTION);
|
nuclear@0
|
171 glPushMatrix();
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nuclear@0
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172 glLoadIdentity();
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nuclear@0
|
173
|
nuclear@0
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174 glBegin(GL_QUADS);
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nuclear@0
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175 glColor3f(0, 0, 0);
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nuclear@0
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176 glVertex2f(-1, -1);
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nuclear@0
|
177 glVertex2f(1, -1);
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nuclear@0
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178 glColor3f(1, 1, 1);
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nuclear@0
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179 glVertex2f(1, 1);
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nuclear@0
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180 glVertex2f(-1, 1);
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nuclear@0
|
181 glEnd();
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nuclear@0
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182
|
nuclear@0
|
183 glPopMatrix();
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nuclear@0
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184 glMatrixMode(GL_MODELVIEW);
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nuclear@0
|
185 glPopMatrix();
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nuclear@0
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186
|
nuclear@0
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187 glPopAttrib();
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nuclear@4
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188 /*draw_scroller(glutGet(GLUT_ELAPSED_TIME) / 1000.0); */
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nuclear@0
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189 }
|
nuclear@0
|
190
|
nuclear@0
|
191 void disp()
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nuclear@0
|
192 {
|
nuclear@0
|
193 float ldir[] = {-1, 1, 2, 0};
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nuclear@8
|
194 float ldir2[] = {0.0, 0.35, -0.9, 0};
|
nuclear@8
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195
|
nuclear@8
|
196 float lcol[] = {1, 1, 1, 1};
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nuclear@8
|
197 float lcol2[] = {0.35, 0.3, 0.15, 1};
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nuclear@8
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198
|
nuclear@9
|
199 dsys_update(demo, dsys_msec_to_dtime(glutGet(GLUT_ELAPSED_TIME)));
|
nuclear@9
|
200
|
nuclear@9
|
201 float sec = dsys_dtime_to_sec(dsys_time(demo));
|
nuclear@9
|
202 float auto_angle = sec * 10.0;
|
nuclear@9
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203
|
nuclear@5
|
204 int xres, yres;
|
nuclear@5
|
205 if(opt_highres) {
|
nuclear@5
|
206 xres = xsz;
|
nuclear@5
|
207 yres = ysz;
|
nuclear@5
|
208 } else {
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nuclear@5
|
209 xres = xsz / DITHER_SZ;
|
nuclear@5
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210 yres = ysz / DITHER_SZ;
|
nuclear@5
|
211 }
|
nuclear@4
|
212
|
nuclear@0
|
213 if(!rtarg) {
|
nuclear@4
|
214 printf("(re)creating render target (%dx%d)\n", xres, yres);
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nuclear@4
|
215 if(!(rtarg = create_rtarg(xres, yres))) {
|
nuclear@0
|
216 exit(0);
|
nuclear@0
|
217 }
|
nuclear@0
|
218 }
|
nuclear@0
|
219
|
nuclear@5
|
220 if(!opt_regular_render) {
|
nuclear@5
|
221 glBindFramebufferEXT(GL_FRAMEBUFFER, rtarg->fbo);
|
nuclear@5
|
222 }
|
nuclear@4
|
223 glViewport(0, 0, xres, yres);
|
nuclear@0
|
224
|
nuclear@0
|
225 glClearColor(1, 1, 1, 1);
|
nuclear@0
|
226 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
nuclear@0
|
227
|
nuclear@0
|
228 draw_backdrop();
|
nuclear@0
|
229
|
nuclear@0
|
230 glMatrixMode(GL_MODELVIEW);
|
nuclear@0
|
231 glLoadIdentity();
|
nuclear@0
|
232
|
nuclear@8
|
233 glTranslatef(0, 0.8, -cam_dist);
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nuclear@0
|
234 glRotatef(cam_phi, 1, 0, 0);
|
nuclear@8
|
235 glRotatef(opt_autorot ? auto_angle : cam_theta, 0, 1, 0);
|
nuclear@0
|
236
|
nuclear@5
|
237 glLightfv(GL_LIGHT0, GL_POSITION, ldir);
|
nuclear@8
|
238 glLightfv(GL_LIGHT0, GL_DIFFUSE, lcol);
|
nuclear@8
|
239
|
nuclear@8
|
240 glLightfv(GL_LIGHT1, GL_POSITION, ldir2);
|
nuclear@8
|
241 glLightfv(GL_LIGHT1, GL_DIFFUSE, lcol2);
|
nuclear@5
|
242
|
nuclear@2
|
243 const float blue[] = {0.4, 0.45, 1.0, 1};
|
nuclear@2
|
244 const float white[] = {1, 1, 1, 1};
|
nuclear@2
|
245 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, blue);
|
nuclear@2
|
246 glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, white);
|
nuclear@2
|
247 glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 80.0);
|
nuclear@2
|
248
|
nuclear@7
|
249 bind_program(phong_prog);
|
nuclear@9
|
250 mball_render(sec);
|
nuclear@7
|
251 bind_program(0);
|
nuclear@0
|
252
|
nuclear@11
|
253 float tfadein = evfadein ? dsys_event_value(evfadein) : 1.0;
|
nuclear@11
|
254 /*if(tfadein < 1.0) {
|
nuclear@11
|
255 glEnable(GL_BLEND);
|
nuclear@11
|
256 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
nuclear@11
|
257 overlay(0, 0, 0, 1.0 - tfadein);
|
nuclear@11
|
258 glDisable(GL_BLEND);
|
nuclear@11
|
259 }*/
|
nuclear@11
|
260
|
nuclear@0
|
261
|
nuclear@5
|
262 if(!opt_regular_render) {
|
nuclear@5
|
263 glBindFramebufferEXT(GL_FRAMEBUFFER, 0);
|
nuclear@5
|
264 glViewport(0, 0, xsz, ysz);
|
nuclear@1
|
265
|
nuclear@5
|
266 glClear(GL_COLOR_BUFFER_BIT);
|
nuclear@0
|
267
|
nuclear@7
|
268 bind_program(post_prog);
|
nuclear@7
|
269 set_uniform_int(post_prog, "framebuf", 0);
|
nuclear@7
|
270 set_uniform_int(post_prog, "dither_tex", 1);
|
nuclear@7
|
271 set_uniform_int(post_prog, "dither_levels", DITHER_LEVELS);
|
nuclear@7
|
272 set_uniform_int(post_prog, "dither_size", DITHER_SZ);
|
nuclear@11
|
273 set_uniform_float(post_prog, "tfadein", tfadein);
|
nuclear@0
|
274
|
nuclear@5
|
275 glActiveTextureARB(GL_TEXTURE0);
|
nuclear@5
|
276 glBindTexture(GL_TEXTURE_2D, rtarg->color_tex);
|
nuclear@5
|
277 glEnable(GL_TEXTURE_2D);
|
nuclear@5
|
278 glActiveTextureARB(GL_TEXTURE1);
|
nuclear@5
|
279 glBindTexture(GL_TEXTURE_2D, dither_tex);
|
nuclear@5
|
280 glEnable(GL_TEXTURE_2D);
|
nuclear@0
|
281
|
nuclear@11
|
282 overlay(1, 1, 1, 1);
|
nuclear@0
|
283
|
nuclear@5
|
284 glActiveTextureARB(GL_TEXTURE1);
|
nuclear@5
|
285 glDisable(GL_TEXTURE_2D);
|
nuclear@5
|
286 glActiveTextureARB(GL_TEXTURE0);
|
nuclear@5
|
287 glDisable(GL_TEXTURE_2D);
|
nuclear@0
|
288
|
nuclear@5
|
289 bind_program(0);
|
nuclear@5
|
290 }
|
nuclear@0
|
291
|
nuclear@0
|
292 glutSwapBuffers();
|
nuclear@0
|
293 assert(glGetError() == GL_NO_ERROR);
|
nuclear@0
|
294 }
|
nuclear@0
|
295
|
nuclear@0
|
296 void idle()
|
nuclear@0
|
297 {
|
nuclear@0
|
298 glutPostRedisplay();
|
nuclear@0
|
299 }
|
nuclear@0
|
300
|
nuclear@0
|
301 void reshape(int x, int y)
|
nuclear@0
|
302 {
|
nuclear@0
|
303 glViewport(0, 0, x, y);
|
nuclear@0
|
304
|
nuclear@0
|
305 glMatrixMode(GL_PROJECTION);
|
nuclear@0
|
306 glLoadIdentity();
|
nuclear@0
|
307 gluPerspective(45.0, (float)x / (float)y, 0.5, 500.0);
|
nuclear@0
|
308
|
nuclear@0
|
309 if(x != xsz || y != ysz) {
|
nuclear@0
|
310 destroy_rtarg(rtarg);
|
nuclear@0
|
311 rtarg = 0;
|
nuclear@0
|
312 xsz = x;
|
nuclear@0
|
313 ysz = y;
|
nuclear@0
|
314 }
|
nuclear@0
|
315 }
|
nuclear@0
|
316
|
nuclear@0
|
317 void keyb(unsigned char key, int x, int y)
|
nuclear@0
|
318 {
|
nuclear@0
|
319 switch(key) {
|
nuclear@0
|
320 case 27:
|
nuclear@0
|
321 exit(0);
|
nuclear@4
|
322
|
nuclear@8
|
323 case 'a':
|
nuclear@8
|
324 opt_autorot = !opt_autorot;
|
nuclear@8
|
325 break;
|
nuclear@8
|
326
|
nuclear@4
|
327 case 'f':
|
nuclear@4
|
328 {
|
nuclear@4
|
329 static bool fullscreen;
|
nuclear@4
|
330 static int orig_x, orig_y;
|
nuclear@4
|
331
|
nuclear@4
|
332 fullscreen = !fullscreen;
|
nuclear@4
|
333 if(fullscreen) {
|
nuclear@4
|
334 orig_x = xsz;
|
nuclear@4
|
335 orig_y = ysz;
|
nuclear@4
|
336 glutFullScreen();
|
nuclear@4
|
337 } else {
|
nuclear@4
|
338 glutReshapeWindow(orig_x, orig_y);
|
nuclear@4
|
339 }
|
nuclear@4
|
340 }
|
nuclear@4
|
341 break;
|
nuclear@5
|
342
|
nuclear@5
|
343 case 'r':
|
nuclear@5
|
344 opt_regular_render = !opt_regular_render;
|
nuclear@5
|
345 break;
|
nuclear@5
|
346
|
nuclear@5
|
347 case 'h':
|
nuclear@5
|
348 opt_highres = !opt_highres;
|
nuclear@5
|
349 if(rtarg) {
|
nuclear@5
|
350 destroy_rtarg(rtarg);
|
nuclear@5
|
351 rtarg = 0;
|
nuclear@5
|
352 }
|
nuclear@5
|
353 break;
|
nuclear@0
|
354 }
|
nuclear@0
|
355 }
|
nuclear@0
|
356
|
nuclear@0
|
357 bool bnstate[16];
|
nuclear@0
|
358 int prev_x, prev_y;
|
nuclear@0
|
359
|
nuclear@0
|
360 void mouse(int bn, int state, int x, int y)
|
nuclear@0
|
361 {
|
nuclear@0
|
362 int idx = bn - GLUT_LEFT_BUTTON;
|
nuclear@0
|
363
|
nuclear@0
|
364 if(idx < (int)(sizeof bnstate / sizeof *bnstate)) {
|
nuclear@0
|
365 bnstate[idx] = state == GLUT_DOWN;
|
nuclear@0
|
366 }
|
nuclear@0
|
367 prev_x = x;
|
nuclear@0
|
368 prev_y = y;
|
nuclear@0
|
369 }
|
nuclear@0
|
370
|
nuclear@0
|
371 void motion(int x, int y)
|
nuclear@0
|
372 {
|
nuclear@0
|
373 int dx = x - prev_x;
|
nuclear@0
|
374 int dy = y - prev_y;
|
nuclear@0
|
375 prev_x = x;
|
nuclear@0
|
376 prev_y = y;
|
nuclear@0
|
377
|
nuclear@0
|
378 if(bnstate[0]) {
|
nuclear@0
|
379 cam_theta = fmod(cam_theta + dx * 0.5, 360.0);
|
nuclear@0
|
380 cam_phi += dy * 0.5;
|
nuclear@0
|
381 if(cam_phi < -90) {
|
nuclear@0
|
382 cam_phi = -90;
|
nuclear@0
|
383 }
|
nuclear@0
|
384 if(cam_phi > 90) {
|
nuclear@0
|
385 cam_phi = 90;
|
nuclear@0
|
386 }
|
nuclear@0
|
387 }
|
nuclear@0
|
388 if(bnstate[2]) {
|
nuclear@0
|
389 cam_dist += dy * 0.1;
|
nuclear@0
|
390 if(cam_dist < 0) {
|
nuclear@0
|
391 cam_dist = 0;
|
nuclear@0
|
392 }
|
nuclear@0
|
393 }
|
nuclear@0
|
394 }
|
nuclear@0
|
395
|
nuclear@0
|
396 struct render_target *create_rtarg(int xsz, int ysz)
|
nuclear@0
|
397 {
|
nuclear@0
|
398 struct render_target *rt = new render_target;
|
nuclear@0
|
399
|
nuclear@0
|
400 glGenFramebuffersEXT(1, &rt->fbo);
|
nuclear@0
|
401 glBindFramebufferEXT(GL_FRAMEBUFFER, rt->fbo);
|
nuclear@0
|
402
|
nuclear@0
|
403 // create the render target texture
|
nuclear@0
|
404 glGenTextures(1, &rt->color_tex);
|
nuclear@0
|
405 glBindTexture(GL_TEXTURE_2D, rt->color_tex);
|
nuclear@0
|
406 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
nuclear@0
|
407 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
nuclear@1
|
408 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
nuclear@1
|
409 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
nuclear@0
|
410 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, xsz, ysz, 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
|
nuclear@0
|
411
|
nuclear@0
|
412 glFramebufferTexture2DEXT(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, rt->color_tex, 0);
|
nuclear@0
|
413
|
nuclear@0
|
414 // create depth buffer
|
nuclear@0
|
415 glGenRenderbuffersEXT(1, &rt->depth_buf);
|
nuclear@0
|
416 glBindRenderbufferEXT(GL_RENDERBUFFER, rt->depth_buf);
|
nuclear@0
|
417 glRenderbufferStorageEXT(GL_RENDERBUFFER, GL_DEPTH_COMPONENT, xsz, ysz);
|
nuclear@0
|
418
|
nuclear@0
|
419 glFramebufferRenderbufferEXT(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, rt->depth_buf);
|
nuclear@0
|
420
|
nuclear@0
|
421 if(glCheckFramebufferStatusEXT(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
|
nuclear@0
|
422 fprintf(stderr, "incomplete fbo\n");
|
nuclear@0
|
423 return 0;
|
nuclear@0
|
424 }
|
nuclear@0
|
425
|
nuclear@0
|
426 glBindFramebufferEXT(GL_FRAMEBUFFER, 0);
|
nuclear@0
|
427 return rt;
|
nuclear@0
|
428 }
|
nuclear@0
|
429
|
nuclear@0
|
430 void destroy_rtarg(struct render_target *rt)
|
nuclear@0
|
431 {
|
nuclear@0
|
432 if(!rt) {
|
nuclear@0
|
433 return;
|
nuclear@0
|
434 }
|
nuclear@0
|
435 glDeleteFramebuffersEXT(1, &rt->fbo);
|
nuclear@0
|
436 glDeleteTextures(1, &rt->color_tex);
|
nuclear@0
|
437 glDeleteRenderbuffersEXT(1, &rt->depth_buf);
|
nuclear@0
|
438 delete rt;
|
nuclear@0
|
439 }
|
nuclear@11
|
440
|
nuclear@11
|
441 bool parse_args(int argc, char **argv)
|
nuclear@11
|
442 {
|
nuclear@11
|
443 for(int i=1; i<argc; i++) {
|
nuclear@11
|
444 if(strcmp(argv[i], "-noblock") == 0) {
|
nuclear@11
|
445 opt_highres = true;
|
nuclear@11
|
446 } else if(strcmp(argv[i], "-nodither") == 0) {
|
nuclear@11
|
447 opt_regular_render = true;
|
nuclear@11
|
448 } else {
|
nuclear@11
|
449 fprintf(stderr, "invalid argument: %s\n", argv[i]);
|
nuclear@11
|
450 return false;
|
nuclear@11
|
451 }
|
nuclear@11
|
452 }
|
nuclear@11
|
453 return true;
|
nuclear@11
|
454 }
|