1 /* 2 ** Copyright 2010, The Android Open Source Project 3 ** 4 ** Licensed under the Apache License, Version 2.0 (the "License"); 5 ** you may not use this file except in compliance with the License. 6 ** You may obtain a copy of the License at 7 ** 8 ** http://www.apache.org/licenses/LICENSE-2.0 9 ** 10 ** Unless required by applicable law or agreed to in writing, software 11 ** distributed under the License is distributed on an "AS IS" BASIS, 12 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 ** See the License for the specific language governing permissions and 14 ** limitations under the License. 15 */ 16 17 #include <stdlib.h> 18 #include <stdio.h> 19 20 #include <EGL/egl.h> 21 #include <EGL/eglext.h> 22 23 #define ATTRIBUTE(_attr) { _attr, #_attr } 24 25 struct Attribute { 26 EGLint attribute; 27 char const* name; 28 }; 29 30 // clang-format off 31 Attribute attributes[] = { 32 ATTRIBUTE( EGL_BUFFER_SIZE ), 33 ATTRIBUTE( EGL_ALPHA_SIZE ), 34 ATTRIBUTE( EGL_BLUE_SIZE ), 35 ATTRIBUTE( EGL_GREEN_SIZE ), 36 ATTRIBUTE( EGL_RED_SIZE ), 37 ATTRIBUTE( EGL_DEPTH_SIZE ), 38 ATTRIBUTE( EGL_STENCIL_SIZE ), 39 ATTRIBUTE( EGL_CONFIG_CAVEAT ), 40 ATTRIBUTE( EGL_CONFIG_ID ), 41 ATTRIBUTE( EGL_LEVEL ), 42 ATTRIBUTE( EGL_MAX_PBUFFER_HEIGHT ), 43 ATTRIBUTE( EGL_MAX_PBUFFER_WIDTH ), 44 ATTRIBUTE( EGL_MAX_PBUFFER_PIXELS ), 45 ATTRIBUTE( EGL_NATIVE_RENDERABLE ), 46 ATTRIBUTE( EGL_NATIVE_VISUAL_ID ), 47 ATTRIBUTE( EGL_NATIVE_VISUAL_TYPE ), 48 ATTRIBUTE( EGL_SAMPLES ), 49 ATTRIBUTE( EGL_SAMPLE_BUFFERS ), 50 ATTRIBUTE( EGL_SURFACE_TYPE ), 51 ATTRIBUTE( EGL_TRANSPARENT_TYPE ), 52 ATTRIBUTE( EGL_TRANSPARENT_BLUE_VALUE ), 53 ATTRIBUTE( EGL_TRANSPARENT_GREEN_VALUE ), 54 ATTRIBUTE( EGL_TRANSPARENT_RED_VALUE ), 55 ATTRIBUTE( EGL_BIND_TO_TEXTURE_RGB ), 56 ATTRIBUTE( EGL_BIND_TO_TEXTURE_RGBA ), 57 ATTRIBUTE( EGL_MIN_SWAP_INTERVAL ), 58 ATTRIBUTE( EGL_MAX_SWAP_INTERVAL ), 59 ATTRIBUTE( EGL_LUMINANCE_SIZE ), 60 ATTRIBUTE( EGL_ALPHA_MASK_SIZE ), 61 ATTRIBUTE( EGL_COLOR_BUFFER_TYPE ), 62 ATTRIBUTE( EGL_RENDERABLE_TYPE ), 63 ATTRIBUTE( EGL_MATCH_NATIVE_PIXMAP ), 64 ATTRIBUTE( EGL_CONFORMANT ), 65 ATTRIBUTE( EGL_COLOR_COMPONENT_TYPE_EXT ), 66 }; 67 // clang-format on 68 69 int main(int /*argc*/, char** /*argv*/) { 70 EGLConfig* configs; 71 EGLint n; 72 73 EGLDisplay dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY); 74 eglInitialize(dpy, 0, 0); 75 eglGetConfigs(dpy, NULL, 0, &n); 76 configs = new EGLConfig[n]; 77 eglGetConfigs(dpy, configs, n, &n); 78 79 for (EGLint i=0 ; i<n ; i++) { 80 printf("EGLConfig[%d]\n", i); 81 for (unsigned attr = 0 ; attr<sizeof(attributes)/sizeof(Attribute) ; attr++) { 82 EGLint value; 83 eglGetConfigAttrib(dpy, configs[i], attributes[attr].attribute, &value); 84 printf("\t%-32s: %10d (0x%08x)\n", attributes[attr].name, value, value); 85 } 86 } 87 88 delete [] configs; 89 eglTerminate(dpy); 90 return 0; 91 } 92
