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 <ui/FramebufferNativeWindow.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 if (!usePbuffer) { 44 window = android_createDisplaySurface(); 45 } 46 47 dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY); 48 eglInitialize(dpy, &majorVersion, &minorVersion); 49 if (!usePbuffer) { 50 EGLUtils::selectConfigForNativeWindow( 51 dpy, s_configAttribs, window, &config); 52 surface = eglCreateWindowSurface(dpy, config, window, NULL); 53 } else { 54 printf("using pbuffer\n"); 55 eglChooseConfig(dpy, s_configAttribs, &config, 1, &numConfigs); 56 EGLint attribs[] = { EGL_WIDTH, 320, EGL_HEIGHT, 480, EGL_NONE }; 57 surface = eglCreatePbufferSurface(dpy, config, attribs); 58 if (surface == EGL_NO_SURFACE) { 59 printf("eglCreatePbufferSurface error %x\n", eglGetError()); 60 } 61 } 62 context = eglCreateContext(dpy, config, NULL, NULL); 63 eglMakeCurrent(dpy, surface, surface, context); 64 eglQuerySurface(dpy, surface, EGL_WIDTH, &w); 65 eglQuerySurface(dpy, surface, EGL_HEIGHT, &h); 66 GLint dim = w<h ? w : h; 67 68 glViewport(0, 0, w, h); 69 glMatrixMode(GL_PROJECTION); 70 glLoadIdentity(); 71 glOrthof(0, w, 0, h, 0, 1); 72 73 glClearColor(0,0,0,0); 74 glClear(GL_COLOR_BUFFER_BIT); 75 76 GLint crop[4] = { 0, 4, 4, -4 }; 77 glBindTexture(GL_TEXTURE_2D, 0); 78 glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, crop); 79 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 80 glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); 81 glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); 82 glEnable(GL_TEXTURE_2D); 83 glColor4f(1,1,1,1); 84 85 // packing is always 4 86 uint8_t t8[] = { 87 0x00, 0x55, 0x00, 0x55, 88 0xAA, 0xFF, 0xAA, 0xFF, 89 0x00, 0x55, 0x00, 0x55, 90 0xAA, 0xFF, 0xAA, 0xFF }; 91 92 uint16_t t16[] = { 93 0x0000, 0x5555, 0x0000, 0x5555, 94 0xAAAA, 0xFFFF, 0xAAAA, 0xFFFF, 95 0x0000, 0x5555, 0x0000, 0x5555, 96 0xAAAA, 0xFFFF, 0xAAAA, 0xFFFF }; 97 98 uint16_t t5551[] = { 99 0x0000, 0xFFFF, 0x0000, 0xFFFF, 100 0xFFFF, 0x0000, 0xFFFF, 0x0000, 101 0x0000, 0xFFFF, 0x0000, 0xFFFF, 102 0xFFFF, 0x0000, 0xFFFF, 0x0000 }; 103 104 uint32_t t32[] = { 105 0xFF000000, 0xFF0000FF, 0xFF00FF00, 0xFFFF0000, 106 0xFF00FF00, 0xFFFF0000, 0xFF000000, 0xFF0000FF, 107 0xFF00FFFF, 0xFF00FF00, 0x00FF00FF, 0xFFFFFF00, 108 0xFF000000, 0xFFFF00FF, 0xFF00FFFF, 0xFFFFFFFF 109 }; 110 111 switch(test) 112 { 113 case 1: 114 glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, 115 4, 4, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, t8); 116 break; 117 case 2: 118 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 119 4, 4, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, t16); 120 break; 121 case 3: 122 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 123 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, t16); 124 break; 125 case 4: 126 glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE_ALPHA, 127 4, 4, 0, GL_LUMINANCE_ALPHA, GL_UNSIGNED_BYTE, t16); 128 break; 129 case 5: 130 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 131 4, 4, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, t5551); 132 break; 133 case 6: 134 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 135 4, 4, 0, GL_RGBA, GL_UNSIGNED_BYTE, t32); 136 break; 137 } 138 139 //glDrawTexiOES(0, 0, 0, dim, dim); 140 141 const GLfloat vertices[4][2] = { 142 { 0, 0 }, 143 { 0, dim }, 144 { dim, dim }, 145 { dim, 0 } 146 }; 147 148 const GLfloat texCoords[4][2] = { 149 { 0, 0 }, 150 { 0, 1 }, 151 { 1, 1 }, 152 { 1, 0 } 153 }; 154 155 if (!usePbuffer) { 156 eglSwapBuffers(dpy, surface); 157 } 158 159 glMatrixMode(GL_MODELVIEW); 160 glScissor(0,dim,dim,h-dim); 161 glDisable(GL_SCISSOR_TEST); 162 163 for (int y=0 ; y<dim ; y++) { 164 //glDisable(GL_SCISSOR_TEST); 165 glClear(GL_COLOR_BUFFER_BIT); 166 167 //glEnable(GL_SCISSOR_TEST); 168 169 #if USE_DRAW_TEXTURE && GL_OES_draw_texture 170 glDrawTexiOES(0, y, 1, dim, dim); 171 #else 172 glLoadIdentity(); 173 glTranslatef(0, y, 0); 174 glEnableClientState(GL_VERTEX_ARRAY); 175 glEnableClientState(GL_TEXTURE_COORD_ARRAY); 176 glVertexPointer(2, GL_FLOAT, 0, vertices); 177 glTexCoordPointer(2, GL_FLOAT, 0, texCoords); 178 glDrawArrays(GL_TRIANGLE_FAN, 0, 4); 179 #endif 180 181 if (!usePbuffer) { 182 eglSwapBuffers(dpy, surface); 183 } else { 184 glFinish(); 185 } 186 } 187 188 eglTerminate(dpy); 189 return 0; 190 } 191
