Rev 4464 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4464 | Serge | 1 | #include |
| 2 | #include |
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| 3 | #include |
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| 4 | #include |
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| 5 | |||
| 4472 | Serge | 6 | #include |
| 7 | #include |
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| 8 | |||
| 9 | #ifndef GLAPIENTRY |
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| 10 | #define GLAPIENTRY |
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| 11 | #endif |
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| 12 | |||
| 4464 | Serge | 13 | #include "EGL/egl.h" |
| 14 | |||
| 15 | #include "eglut.h" |
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| 16 | |||
| 17 | GLint list; |
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| 18 | |||
| 19 | static void init(void) |
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| 20 | { |
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| 21 | // fprintf(stderr, "GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); |
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| 22 | // fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION)); |
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| 23 | // fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR)); |
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| 24 | // fflush(stderr); |
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| 25 | |||
| 26 | list = glGenLists(1); |
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| 27 | glNewList(list, GL_COMPILE); |
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| 28 | |||
| 29 | /* XXX: this state-change will only be executed if list is called |
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| 30 | * from outside a begin/end pair: |
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| 31 | */ |
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| 32 | glShadeModel( GL_FLAT ); |
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| 33 | glBegin(GL_TRIANGLES); |
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| 34 | glColor3f(0,0,0.7); |
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| 35 | glVertex3f( -0.9, 0.9, -30.0); |
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| 36 | glColor3f(0,0.9,0); |
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| 37 | glVertex3f( -0.9, -0.9, -30.0); |
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| 38 | glColor3f(0.8,0,0); |
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| 39 | glVertex3f( 0.9, 0.0, -30.0); |
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| 40 | glEnd(); |
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| 41 | |||
| 42 | glEndList(); |
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| 43 | } |
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| 44 | |||
| 45 | static void |
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| 46 | idle(void) |
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| 47 | { |
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| 48 | eglutPostRedisplay(); |
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| 49 | } |
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| 50 | |||
| 51 | static void reshape(int width, int height) |
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| 52 | { |
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| 4472 | Serge | 53 | |
| 4464 | Serge | 54 | /* |
| 55 | glViewport(0, 0, (GLint)width, (GLint)height); |
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| 56 | |||
| 57 | glMatrixMode(GL_PROJECTION); |
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| 58 | glLoadIdentity(); |
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| 59 | glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 100.0); |
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| 60 | glMatrixMode(GL_MODELVIEW); |
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| 61 | glLoadIdentity(); |
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| 62 | */ |
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| 63 | |||
| 64 | GLfloat h = (GLfloat) height / (GLfloat) width; |
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| 65 | |||
| 4472 | Serge | 66 | glViewport(0, 0, (GLint) width, (GLint) height); |
| 67 | |||
| 4464 | Serge | 68 | glMatrixMode(GL_PROJECTION); |
| 69 | glLoadIdentity(); |
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| 70 | glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0); |
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| 71 | |||
| 72 | glMatrixMode(GL_MODELVIEW); |
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| 73 | glLoadIdentity(); |
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| 74 | } |
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| 75 | |||
| 76 | static void draw(void) |
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| 77 | { |
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| 78 | asm volatile ("int3"); |
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| 79 | |||
| 80 | glClear(GL_COLOR_BUFFER_BIT); |
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| 81 | |||
| 82 | glShadeModel( GL_SMOOTH ); |
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| 83 | |||
| 84 | glBegin(GL_TRIANGLES); |
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| 85 | |||
| 86 | /* Note: call the list from inside a begin/end pair. The end is |
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| 87 | * provided by the display list... |
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| 88 | */ |
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| 89 | glCallList(list); |
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| 90 | |||
| 91 | // glFlush(); |
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| 92 | |||
| 93 | } |
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| 94 | |||
| 95 | int |
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| 96 | main(int argc, char *argv[]) |
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| 97 | { |
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| 98 | eglutInitWindowSize(384, 384); |
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| 99 | eglutInitAPIMask(EGLUT_OPENGL_BIT); |
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| 100 | eglutInit(argc, argv); |
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| 101 | |||
| 102 | eglutCreateWindow("gl-render"); |
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| 103 | |||
| 104 | eglutIdleFunc(idle); |
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| 105 | eglutReshapeFunc(reshape); |
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| 106 | eglutDisplayFunc(draw); |
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| 107 | |||
| 4472 | Serge | 108 | glClearColor( 0, 0, 0, 1); |
| 4464 | Serge | 109 | |
| 4472 | Serge | 110 | // init(); |
| 4464 | Serge | 111 | glDrawBuffer(GL_BACK); |
| 112 | |||
| 113 | eglutMainLoop(); |
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| 114 | |||
| 115 | return 0; |
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| 116 | } |
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| 4472 | Serge | 117 |