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| 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 | |||
| 6 | #define EGL_EGLEXT_PROTOTYPES |
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| 7 | #include "EGL/egl.h" |
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| 8 | #include "EGL/eglext.h" |
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| 9 | #include "GL/gl.h" |
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| 10 | #include "gbm.h" |
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| 11 | #include |
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| 12 | #include |
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| 13 | |||
| 14 | int main() |
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| 15 | { |
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| 16 | struct gbm_device *gbm; |
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| 17 | struct gbm_surface *gs; |
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| 18 | |||
| 19 | EGLDisplay dpy; |
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| 20 | EGLint major, minor; |
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| 21 | |||
| 22 | EGLContext context; |
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| 23 | EGLSurface surface; |
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| 24 | EGLConfig config; |
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| 25 | |||
| 26 | EGLint config_attribs[32]; |
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| 27 | EGLint num_configs, i; |
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| 28 | GLint list; |
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| 29 | |||
| 30 | int fd; |
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| 31 | |||
| 32 | fd = get_service("DISPLAY"); |
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| 33 | gbm = gbm_create_device(fd); |
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| 34 | if( gbm == NULL){ |
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| 35 | printf("failed to initialize GBM device"); |
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| 36 | return 1; |
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| 37 | }; |
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| 38 | |||
| 39 | dpy = eglGetDisplay((EGLNativeDisplayType)gbm); |
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| 40 | |||
| 41 | if (!eglInitialize(dpy, &major, &minor)) |
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| 42 | printf("failed to initialize EGL display"); |
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| 43 | |||
| 44 | printf("EGL_VERSION = %s\n", eglQueryString(dpy, EGL_VERSION)); |
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| 45 | printf("EGL_VENDOR = %s\n", eglQueryString(dpy, EGL_VENDOR)); |
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| 46 | printf("EGL_EXTENSIONS = %s\n", eglQueryString(dpy, EGL_EXTENSIONS)); |
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| 47 | printf("EGL_CLIENT_APIS = %s\n",eglQueryString(dpy, EGL_CLIENT_APIS)); |
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| 48 | |||
| 49 | i = 0; |
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| 50 | config_attribs[i++] = EGL_RED_SIZE; |
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| 51 | config_attribs[i++] = 1; |
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| 52 | config_attribs[i++] = EGL_GREEN_SIZE; |
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| 53 | config_attribs[i++] = 1; |
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| 54 | config_attribs[i++] = EGL_BLUE_SIZE; |
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| 55 | config_attribs[i++] = 1; |
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| 56 | config_attribs[i++] = EGL_DEPTH_SIZE; |
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| 57 | config_attribs[i++] = 1; |
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| 58 | |||
| 59 | config_attribs[i++] = EGL_SURFACE_TYPE; |
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| 60 | config_attribs[i++] = EGL_WINDOW_BIT; |
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| 61 | |||
| 62 | config_attribs[i++] = EGL_RENDERABLE_TYPE; |
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| 63 | config_attribs[i++] = EGL_OPENGL_BIT; |
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| 64 | config_attribs[i] = EGL_NONE; |
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| 65 | |||
| 66 | if (!eglChooseConfig(dpy,config_attribs, &config, 1, &num_configs) || !num_configs) |
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| 67 | printf("failed to choose a config"); |
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| 68 | |||
| 69 | eglBindAPI(EGL_OPENGL_API); |
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| 70 | context = eglCreateContext(dpy, config, EGL_NO_CONTEXT, NULL); |
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| 71 | if (!context) |
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| 72 | printf("failed to create context"); |
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| 73 | |||
| 74 | gs = gbm_surface_create(gbm, 400, 300, GBM_BO_FORMAT_ARGB8888, GBM_BO_USE_RENDERING); |
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| 75 | |||
| 76 | |||
| 77 | BeginDraw(); |
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| 78 | DrawWindow(20, 20, 400+9, 300+24, "gl-render", 0x000000, 0x74); |
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| 79 | EndDraw(); |
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| 80 | |||
| 81 | surface = eglCreateWindowSurface(dpy,config, (EGLNativeWindowType)gs, NULL); |
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| 82 | if (surface == EGL_NO_SURFACE) |
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| 83 | printf("failed to create surface"); |
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| 84 | |||
| 85 | if (!eglMakeCurrent(dpy, surface, surface, context)) |
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| 86 | printf("failed to make window current"); |
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| 87 | |||
| 88 | glClearColor( 0, 0, 0, 1); |
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| 89 | |||
| 90 | list = glGenLists(1); |
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| 91 | glNewList(list, GL_COMPILE); |
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| 92 | |||
| 93 | /* XXX: this state-change will only be executed if list is called |
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| 94 | * from outside a begin/end pair: |
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| 95 | */ |
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| 96 | glShadeModel( GL_FLAT ); |
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| 97 | glBegin(GL_TRIANGLES); |
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| 98 | glColor3f(0,0,.7); |
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| 99 | glVertex3f( -0.9, 0.9, -30.0); |
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| 100 | glColor3f(0,.9,0); |
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| 101 | glVertex3f( -0.9, -0.9, -30.0); |
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| 102 | glColor3f(.8,0,0); |
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| 103 | glVertex3f( 0.9, 0.0, -30.0); |
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| 104 | glEnd(); |
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| 105 | |||
| 106 | /* This statechange is potentially NOT redundant: |
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| 107 | */ |
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| 108 | glShadeModel( GL_FLAT ); |
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| 109 | glBegin(GL_TRIANGLES); |
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| 110 | glColor3f(0,1,0); |
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| 111 | glVertex3f( -0.5, 0.5, -30.0); |
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| 112 | glColor3f(0,0,1); |
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| 113 | glVertex3f( -0.5, -0.5, -30.0); |
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| 114 | glColor3f(1,0,0); |
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| 115 | glVertex3f( 0.5, 0.0, -30.0); |
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| 116 | glEnd(); |
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| 117 | |||
| 118 | glEndList(); |
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| 119 | |||
| 120 | glDrawBuffer(GL_BACK); |
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| 121 | |||
| 122 | glViewport(0, 0, (GLint)400, (GLint)300); |
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| 123 | |||
| 124 | glMatrixMode(GL_PROJECTION); |
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| 125 | glLoadIdentity(); |
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| 126 | glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); |
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| 127 | glMatrixMode(GL_MODELVIEW); |
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| 128 | |||
| 129 | asm volatile ("int3"); |
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| 130 | |||
| 131 | |||
| 132 | // glClear(GL_COLOR_BUFFER_BIT); |
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| 133 | |||
| 134 | glShadeModel( GL_SMOOTH ); |
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| 135 | |||
| 136 | glBegin(GL_TRIANGLES); |
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| 137 | |||
| 138 | /* Note: call the list from inside a begin/end pair. The end is |
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| 139 | * provided by the display list... |
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| 140 | */ |
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| 141 | glCallList(list); |
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| 142 | glFlush(); |
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| 143 | |||
| 144 | asm volatile ("int3"); |
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| 145 | |||
| 146 | eglSwapBuffers(dpy, surface); |
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| 147 | |||
| 148 | glFinish(); |
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| 149 | eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); |
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| 150 | eglDestroySurface(dpy, surface); |
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| 151 | gbm_surface_destroy(gs); |
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| 152 | eglDestroyContext(dpy, context); |
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| 153 | eglTerminate(dpy); |
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| 154 | |||
| 155 | while(1) |
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| 156 | { |
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| 157 | delay(1); |
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| 158 | } |
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| 159 | return 0; |
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| 160 | } |