1 /* 2 * Copyright (C) 2016 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 package android.hardware.cts; 18 19 import android.opengl.EGL14; 20 import android.opengl.EGLConfig; 21 import android.opengl.EGLContext; 22 import android.opengl.EGLDisplay; 23 import android.opengl.EGLExt; 24 import android.opengl.GLES20; 25 26 import java.util.regex.Matcher; 27 import java.util.regex.Pattern; 28 29 /** 30 * Utilities to test EGL APIs. 31 */ 32 final class Egl14Utils { 33 private Egl14Utils() { 34 } 35 36 /** 37 * Returns an initialized default display. 38 */ 39 static EGLDisplay createEglDisplay() { 40 EGLDisplay eglDisplay = EGL14.eglGetDisplay(EGL14.EGL_DEFAULT_DISPLAY); 41 if (eglDisplay == EGL14.EGL_NO_DISPLAY) { 42 throw new IllegalStateException("no EGL display"); 43 } 44 45 int[] major = new int[1]; 46 int[] minor = new int[1]; 47 if (!EGL14.eglInitialize(eglDisplay, major, 0, minor, 0)) { 48 throw new IllegalStateException("error in eglInitialize"); 49 } 50 51 return eglDisplay; 52 } 53 54 /** 55 * Returns a new GL ES 2.0 context for the specified {@code eglDisplay}. 56 */ 57 static EGLContext createEglContext(EGLDisplay eglDisplay) { 58 return createEglContext(eglDisplay, getEglConfig(eglDisplay, 2), 2); 59 } 60 61 /** 62 * Returns a new GL ES context for the specified display, config and version. 63 */ 64 static EGLContext createEglContext(EGLDisplay eglDisplay, EGLConfig eglConfig, int version) { 65 int[] contextAttributes = { EGL14.EGL_CONTEXT_CLIENT_VERSION, version, EGL14.EGL_NONE }; 66 return EGL14.eglCreateContext(eglDisplay, eglConfig, 67 EGL14.EGL_NO_CONTEXT, contextAttributes, 0); 68 } 69 70 /** 71 * Destroys the GL context identified by {@code eglDisplay} and {@code eglContext}. 72 */ 73 static void destroyEglContext(EGLDisplay eglDisplay, EGLContext eglContext) { 74 EGL14.eglMakeCurrent(eglDisplay, 75 EGL14.EGL_NO_SURFACE, 76 EGL14.EGL_NO_SURFACE, 77 EGL14.EGL_NO_CONTEXT); 78 int error = EGL14.eglGetError(); 79 if (error != EGL14.EGL_SUCCESS) { 80 throw new RuntimeException("error releasing context: " + error); 81 } 82 83 EGL14.eglDestroyContext(eglDisplay, eglContext); 84 error = EGL14.eglGetError(); 85 if (error != EGL14.EGL_SUCCESS) { 86 throw new RuntimeException("error destroying context: " + error); 87 } 88 } 89 90 static void releaseAndTerminate(EGLDisplay eglDisplay) { 91 int error; 92 EGL14.eglReleaseThread(); 93 error = EGL14.eglGetError(); 94 if (error != EGL14.EGL_SUCCESS) { 95 throw new RuntimeException("error releasing thread: " + error); 96 } 97 98 EGL14.eglTerminate(eglDisplay); 99 error = EGL14.eglGetError(); 100 if (error != EGL14.EGL_SUCCESS) { 101 throw new RuntimeException("error terminating display: " + error); 102 } 103 } 104 105 static EGLConfig getEglConfig(EGLDisplay eglDisplay, int version) { 106 // Get an EGLConfig. 107 int renderableType = EGL14.EGL_OPENGL_ES2_BIT; 108 if (version == 3) { 109 renderableType = EGLExt.EGL_OPENGL_ES3_BIT_KHR; 110 } 111 final int RED_SIZE = 8; 112 final int GREEN_SIZE = 8; 113 final int BLUE_SIZE = 8; 114 final int ALPHA_SIZE = 8; 115 final int DEPTH_SIZE = 0; 116 final int STENCIL_SIZE = 0; 117 final int[] DEFAULT_CONFIGURATION = new int[] { 118 EGL14.EGL_RENDERABLE_TYPE, renderableType, 119 EGL14.EGL_RED_SIZE, RED_SIZE, 120 EGL14.EGL_GREEN_SIZE, GREEN_SIZE, 121 EGL14.EGL_BLUE_SIZE, BLUE_SIZE, 122 EGL14.EGL_ALPHA_SIZE, ALPHA_SIZE, 123 EGL14.EGL_DEPTH_SIZE, DEPTH_SIZE, 124 EGL14.EGL_STENCIL_SIZE, STENCIL_SIZE, 125 EGL14.EGL_NONE}; 126 127 int[] configsCount = new int[1]; 128 EGLConfig[] eglConfigs = new EGLConfig[1]; 129 if (!EGL14.eglChooseConfig( 130 eglDisplay, DEFAULT_CONFIGURATION, 0, eglConfigs, 0, 1, configsCount, 0)) { 131 throw new RuntimeException("eglChooseConfig failed"); 132 } 133 return eglConfigs[0]; 134 } 135 136 /** 137 * Checks for a GL error using {@link GLES20#glGetError()}. 138 * 139 * @throws RuntimeException if there is a GL error 140 */ 141 static void checkGlError() { 142 int errorCode; 143 if ((errorCode = GLES20.glGetError()) != GLES20.GL_NO_ERROR) { 144 throw new RuntimeException("gl error: " + Integer.toHexString(errorCode)); 145 } 146 } 147 } 148
