1 #include <stdlib.h> 2 #include <stdio.h> 3 4 #include <EGL/egl.h> 5 #include <GLES/gl.h> 6 #include <GLES/glext.h> 7 8 #include <WindowSurface.h> 9 #include <EGLUtils.h> 10 11 using namespace android; 12 13 #define USE_DRAW_TEXTURE 1 14 15 int main(int argc, char** argv) 16 { 17 if (argc!=2 && argc!=3) { 18 printf("usage: %s <0-6> [pbuffer]\n", argv[0]); 19 return 0; 20 } 21 22 const int test = atoi(argv[1]); 23 int usePbuffer = argc==3 && !strcmp(argv[2], "pbuffer"); 24 EGLint s_configAttribs[] = { 25 EGL_SURFACE_TYPE, EGL_PBUFFER_BIT|EGL_WINDOW_BIT, 26 EGL_RED_SIZE, 5, 27 EGL_GREEN_SIZE, 6, 28 EGL_BLUE_SIZE, 5, 29 EGL_NONE 30 }; 31 32 EGLint numConfigs = -1; 33 EGLint majorVersion; 34 EGLint minorVersion; 35 EGLConfig config; 36 EGLContext context; 37 EGLSurface surface; 38 EGLint w, h; 39 40 EGLDisplay dpy; 41 42 EGLNativeWindowType window = 0; 43 WindowSurface* windowSurface = NULL; 44 if (!usePbuffer) { 45 windowSurface = new WindowSurface(); 46 window = windowSurface->getSurface(); 47 } 48 49 dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY); 50 eglInitialize(dpy, &majorVersion, &minorVersion); 51 if (!usePbuffer) { 52 EGLUtils::selectConfigForNativeWindow( 53 dpy, s_configAttribs, window, &config); 54 surface = eglCreateWindowSurface(dpy, config, window, NULL); 55 } else { 56 printf("using pbuffer\n"); 57 eglChooseConfig(dpy, s_configAttribs, &config, 1, &numConfigs); 58 EGLint attribs[] = { EGL_WIDTH, 320, EGL_HEIGHT, 480, EGL_NONE }; 59 surface = eglCreatePbufferSurface(dpy, config, attribs); 60 if (surface == EGL_NO_SURFACE) { 61 printf("eglCreatePbufferSurface error %x\n", eglGetError()); 62 } 63 } 64 context = eglCreateContext(dpy, config, NULL, NULL); 65 eglMakeCurrent(dpy, surface, surface, context); 66 eglQuerySurface(dpy, surface, EGL_WIDTH, &w); 67 eglQuerySurface(dpy, surface, EGL_HEIGHT, &h); 68 GLint dim = w<h ? w : h; 69 70 glViewport(0, 0, w, h); 71 glMatrixMode(GL_PROJECTION); 72 glLoadIdentity(); 73 glOrthof(0, w, 0, h, 0, 1); 74 75 glClearColor(0,0,0,0); 76 glClear(GL_COLOR_BUFFER_BIT); 77 78 GLint crop[4] = { 0, 4, 4, -4 }; 79 glBindTexture(GL_TEXTURE_2D, 0); 80 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 81 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 82 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 83 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 84 glEnable(GL_TEXTURE_2D); 85 glColor4f(1,1,1,1); 86 87 // packing is always 4 88 uint8_t t8[] = { 89 0x00, 0x55, 0x00, 0x55, 90 0xAA, 0xFF, 0xAA, 0xFF, 91 0x00, 0x55, 0x00, 0x55, 92 0xAA, 0xFF, 0xAA, 0xFF }; 93 94 uint16_t t16[] = { 95 0x0000, 0x5555, 0x0000, 0x5555, 96 0xAAAA, 0xFFFF, 0xAAAA, 0xFFFF, 97 0x0000, 0x5555, 0x0000, 0x5555, 98 0xAAAA, 0xFFFF, 0xAAAA, 0xFFFF }; 99 100 uint16_t t5551[] = { 101 0x0000, 0xFFFF, 0x0000, 0xFFFF, 102 0xFFFF, 0x0000, 0xFFFF, 0x0000, 103 0x0000, 0xFFFF, 0x0000, 0xFFFF, 104 0xFFFF, 0x0000, 0xFFFF, 0x0000 }; 105 106 uint32_t t32[] = { 107 0xFF000000, 0xFF0000FF, 0xFF00FF00, 0xFFFF0000, 108 0xFF00FF00, 0xFFFF0000, 0xFF000000, 0xFF0000FF, 109 0xFF00FFFF, 0xFF00FF00, 0x00FF00FF, 0xFFFFFF00, 110 0xFF000000, 0xFFFF00FF, 0xFF00FFFF, 0xFFFFFFFF 111 }; 112 113 switch(test) 114 { 115 case 1: 116 glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, 117 4, 4, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, t8); 118 break; 119 case 2: 120 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 121 4, 4, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, t16); 122 break; 123 case 3: 124 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 125 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, t16); 126 break; 127 case 4: 128 glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE_ALPHA, 129 4, 4, 0, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, t16); 130 break; 131 case 5: 132 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 133 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, t5551); 134 break; 135 case 6: 136 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 137 4, 4, 0, GL_RGBA, GL_UNSIGNED_BYTE, t32); 138 break; 139 } 140 141 //glDrawTexiOES(0, 0, 0, dim, dim); 142 143 #if !USE_DRAW_TEXTURE || !GL_OES_draw_texture 144 const GLfloat fdim = dim; 145 const GLfloat vertices[4][2] = { 146 { 0, 0 }, 147 { 0, fdim }, 148 { fdim, fdim }, 149 { fdim, 0 } 150 }; 151 152 const GLfloat texCoords[4][2] = { 153 { 0, 0 }, 154 { 0, 1 }, 155 { 1, 1 }, 156 { 1, 0 } 157 }; 158 #endif 159 160 if (!usePbuffer) { 161 eglSwapBuffers(dpy, surface); 162 } 163 164 glMatrixMode(GL_MODELVIEW); 165 glScissor(0,dim,dim,h-dim); 166 glDisable(GL_SCISSOR_TEST); 167 168 for (int y=0 ; y<dim ; y++) { 169 //glDisable(GL_SCISSOR_TEST); 170 glClear(GL_COLOR_BUFFER_BIT); 171 172 //glEnable(GL_SCISSOR_TEST); 173 174 #if USE_DRAW_TEXTURE && GL_OES_draw_texture 175 glDrawTexiOES(0, y, 1, dim, dim); 176 #else 177 glLoadIdentity(); 178 glTranslatef(0, y, 0); 179 glEnableClientState(GL_VERTEX_ARRAY); 180 glEnableClientState(GL_TEXTURE_COORD_ARRAY); 181 glVertexPointer(2, GL_FLOAT, 0, vertices); 182 glTexCoordPointer(2, GL_FLOAT, 0, texCoords); 183 glDrawArrays(GL_TRIANGLE_FAN, 0, 4); 184 #endif 185 186 if (!usePbuffer) { 187 eglSwapBuffers(dpy, surface); 188 } else { 189 glFinish(); 190 } 191 } 192 193 eglTerminate(dpy); 194 delete windowSurface; 195 return 0; 196 } 197
