| /* | 
 |  * Copyright 2013 The Android Open Source Project | 
 |  * | 
 |  * Licensed under the Apache License, Version 2.0 (the "License"); | 
 |  * you may not use this file except in compliance with the License. | 
 |  * You may obtain a copy of the License at | 
 |  * | 
 |  *      http://www.apache.org/licenses/LICENSE-2.0 | 
 |  * | 
 |  * Unless required by applicable law or agreed to in writing, software | 
 |  * distributed under the License is distributed on an "AS IS" BASIS, | 
 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 |  * See the License for the specific language governing permissions and | 
 |  * limitations under the License. | 
 |  */ | 
 |  | 
 | #include "GLTest.h" | 
 |  | 
 | #include <gui/Surface.h> | 
 |  | 
 | #include <GLES2/gl2.h> | 
 |  | 
 | namespace android { | 
 |  | 
 | using Transaction = SurfaceComposerClient::Transaction; | 
 |  | 
 | static int abs(int value) { | 
 |     return value > 0 ? value : -value; | 
 | } | 
 |  | 
 | void GLTest::SetUp() { | 
 |     const ::testing::TestInfo* const testInfo = | 
 |         ::testing::UnitTest::GetInstance()->current_test_info(); | 
 |     ALOGV("Begin test: %s.%s", testInfo->test_case_name(), testInfo->name()); | 
 |  | 
 |     mEglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY); | 
 |     ASSERT_EQ(EGL_SUCCESS, eglGetError()); | 
 |     ASSERT_NE(EGL_NO_DISPLAY, mEglDisplay); | 
 |  | 
 |     EGLint majorVersion; | 
 |     EGLint minorVersion; | 
 |     EXPECT_TRUE(eglInitialize(mEglDisplay, &majorVersion, &minorVersion)); | 
 |     ASSERT_EQ(EGL_SUCCESS, eglGetError()); | 
 |     RecordProperty("EglVersionMajor", majorVersion); | 
 |     RecordProperty("EglVersionMinor", minorVersion); | 
 |  | 
 |     EGLint numConfigs = 0; | 
 |     EXPECT_TRUE(eglChooseConfig(mEglDisplay, getConfigAttribs(), &mGlConfig, 1, | 
 |             &numConfigs)); | 
 |     ASSERT_EQ(EGL_SUCCESS, eglGetError()); | 
 |  | 
 |     char* displaySecsEnv = getenv("GLTEST_DISPLAY_SECS"); | 
 |     if (displaySecsEnv != NULL) { | 
 |         mDisplaySecs = atoi(displaySecsEnv); | 
 |         if (mDisplaySecs < 0) { | 
 |             mDisplaySecs = 0; | 
 |         } | 
 |     } else { | 
 |         mDisplaySecs = 0; | 
 |     } | 
 |  | 
 |     if (mDisplaySecs > 0) { | 
 |         mComposerClient = new SurfaceComposerClient; | 
 |         ASSERT_EQ(NO_ERROR, mComposerClient->initCheck()); | 
 |  | 
 |         mSurfaceControl = mComposerClient->createSurface( | 
 |                 String8("Test Surface"), getSurfaceWidth(), getSurfaceHeight(), | 
 |                 PIXEL_FORMAT_RGB_888, 0); | 
 |  | 
 |         ASSERT_TRUE(mSurfaceControl != NULL); | 
 |         ASSERT_TRUE(mSurfaceControl->isValid()); | 
 |  | 
 |         Transaction t; | 
 |         ASSERT_EQ(NO_ERROR, t.setLayer(mSurfaceControl, 0x7FFFFFFF) | 
 |                 .show(mSurfaceControl) | 
 |                 .apply()); | 
 |  | 
 |         sp<ANativeWindow> window = mSurfaceControl->getSurface(); | 
 |         mEglSurface = createWindowSurface(mEglDisplay, mGlConfig, window); | 
 |     } else { | 
 |         EGLint pbufferAttribs[] = { | 
 |             EGL_WIDTH, getSurfaceWidth(), | 
 |             EGL_HEIGHT, getSurfaceHeight(), | 
 |             EGL_NONE }; | 
 |  | 
 |         mEglSurface = eglCreatePbufferSurface(mEglDisplay, mGlConfig, | 
 |                 pbufferAttribs); | 
 |     } | 
 |     ASSERT_EQ(EGL_SUCCESS, eglGetError()); | 
 |     ASSERT_NE(EGL_NO_SURFACE, mEglSurface); | 
 |  | 
 |     mEglContext = eglCreateContext(mEglDisplay, mGlConfig, EGL_NO_CONTEXT, | 
 |             getContextAttribs()); | 
 |     ASSERT_EQ(EGL_SUCCESS, eglGetError()); | 
 |     ASSERT_NE(EGL_NO_CONTEXT, mEglContext); | 
 |  | 
 |     EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface, | 
 |             mEglContext)); | 
 |     ASSERT_EQ(EGL_SUCCESS, eglGetError()); | 
 |  | 
 |     EGLint w, h; | 
 |     EXPECT_TRUE(eglQuerySurface(mEglDisplay, mEglSurface, EGL_WIDTH, &w)); | 
 |     ASSERT_EQ(EGL_SUCCESS, eglGetError()); | 
 |     EXPECT_TRUE(eglQuerySurface(mEglDisplay, mEglSurface, EGL_HEIGHT, &h)); | 
 |     ASSERT_EQ(EGL_SUCCESS, eglGetError()); | 
 |     RecordProperty("EglSurfaceWidth", w); | 
 |     RecordProperty("EglSurfaceHeight", h); | 
 |  | 
 |     glViewport(0, 0, w, h); | 
 |     ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError()); | 
 | } | 
 |  | 
 | void GLTest::TearDown() { | 
 |     // Display the result | 
 |     if (mDisplaySecs > 0 && mEglSurface != EGL_NO_SURFACE) { | 
 |         eglSwapBuffers(mEglDisplay, mEglSurface); | 
 |         sleep(mDisplaySecs); | 
 |     } | 
 |  | 
 |     if (mComposerClient != NULL) { | 
 |         mComposerClient->dispose(); | 
 |     } | 
 |     if (mEglContext != EGL_NO_CONTEXT) { | 
 |         eglDestroyContext(mEglDisplay, mEglContext); | 
 |     } | 
 |     if (mEglSurface != EGL_NO_SURFACE) { | 
 |         eglDestroySurface(mEglDisplay, mEglSurface); | 
 |     } | 
 |     if (mEglDisplay != EGL_NO_DISPLAY) { | 
 |         eglMakeCurrent(mEglDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, | 
 |                 EGL_NO_CONTEXT); | 
 |         eglTerminate(mEglDisplay); | 
 |     } | 
 |     ASSERT_EQ(EGL_SUCCESS, eglGetError()); | 
 |  | 
 |     const ::testing::TestInfo* const testInfo = | 
 |         ::testing::UnitTest::GetInstance()->current_test_info(); | 
 |     ALOGV("End test:   %s.%s", testInfo->test_case_name(), testInfo->name()); | 
 | } | 
 |  | 
 | EGLint const* GLTest::getConfigAttribs() { | 
 |     static const EGLint sDefaultConfigAttribs[] = { | 
 |         EGL_SURFACE_TYPE, EGL_PBUFFER_BIT, | 
 |         EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, | 
 |         EGL_RED_SIZE, 8, | 
 |         EGL_GREEN_SIZE, 8, | 
 |         EGL_BLUE_SIZE, 8, | 
 |         EGL_ALPHA_SIZE, 8, | 
 |         EGL_DEPTH_SIZE, 16, | 
 |         EGL_STENCIL_SIZE, 8, | 
 |         EGL_NONE }; | 
 |  | 
 |     return sDefaultConfigAttribs; | 
 | } | 
 |  | 
 | EGLint const* GLTest::getContextAttribs() { | 
 |     static const EGLint sDefaultContextAttribs[] = { | 
 |         EGL_CONTEXT_CLIENT_VERSION, 2, | 
 |         EGL_NONE }; | 
 |  | 
 |     return sDefaultContextAttribs; | 
 | } | 
 |  | 
 | EGLint GLTest::getSurfaceWidth() { | 
 |     return 512; | 
 | } | 
 |  | 
 | EGLint GLTest::getSurfaceHeight() { | 
 |     return 512; | 
 | } | 
 |  | 
 | EGLSurface GLTest::createWindowSurface(EGLDisplay display, EGLConfig config, | 
 |                                        sp<ANativeWindow>& window) const { | 
 |     return eglCreateWindowSurface(display, config, window.get(), NULL); | 
 | } | 
 |  | 
 | ::testing::AssertionResult GLTest::checkPixel(int x, int y, | 
 |         int r, int g, int b, int a, int tolerance) { | 
 |     GLubyte pixel[4]; | 
 |     String8 msg; | 
 |     glReadPixels(x, y, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixel); | 
 |     GLenum err = glGetError(); | 
 |     if (err != GL_NO_ERROR) { | 
 |         msg += String8::format("error reading pixel: %#x", err); | 
 |         while ((err = glGetError()) != GL_NO_ERROR) { | 
 |             msg += String8::format(", %#x", err); | 
 |         } | 
 |         return ::testing::AssertionFailure(::testing::Message(msg.string())); | 
 |     } | 
 |     if (r >= 0 && abs(r - int(pixel[0])) > tolerance) { | 
 |         msg += String8::format("r(%d isn't %d)", pixel[0], r); | 
 |     } | 
 |     if (g >= 0 && abs(g - int(pixel[1])) > tolerance) { | 
 |         if (!msg.isEmpty()) { | 
 |             msg += " "; | 
 |         } | 
 |         msg += String8::format("g(%d isn't %d)", pixel[1], g); | 
 |     } | 
 |     if (b >= 0 && abs(b - int(pixel[2])) > tolerance) { | 
 |         if (!msg.isEmpty()) { | 
 |             msg += " "; | 
 |         } | 
 |         msg += String8::format("b(%d isn't %d)", pixel[2], b); | 
 |     } | 
 |     if (a >= 0 && abs(a - int(pixel[3])) > tolerance) { | 
 |         if (!msg.isEmpty()) { | 
 |             msg += " "; | 
 |         } | 
 |         msg += String8::format("a(%d isn't %d)", pixel[3], a); | 
 |     } | 
 |     if (!msg.isEmpty()) { | 
 |         return ::testing::AssertionFailure(::testing::Message(msg.string())); | 
 |     } else { | 
 |         return ::testing::AssertionSuccess(); | 
 |     } | 
 | } | 
 |  | 
 | ::testing::AssertionResult GLTest::assertRectEq(const Rect &r1, const Rect &r2, | 
 |                                                 int tolerance) { | 
 |     String8 msg; | 
 |  | 
 |     if (abs(r1.left - r2.left) > tolerance) { | 
 |         msg += String8::format("left(%d isn't %d)", r1.left, r2.left); | 
 |     } | 
 |     if (abs(r1.top - r2.top) > tolerance) { | 
 |         if (!msg.isEmpty()) { | 
 |             msg += " "; | 
 |         } | 
 |         msg += String8::format("top(%d isn't %d)", r1.top, r2.top); | 
 |     } | 
 |     if (abs(r1.right - r2.right) > tolerance) { | 
 |         if (!msg.isEmpty()) { | 
 |             msg += " "; | 
 |         } | 
 |         msg += String8::format("right(%d isn't %d)", r1.right, r2.right); | 
 |     } | 
 |     if (abs(r1.bottom - r2.bottom) > tolerance) { | 
 |         if (!msg.isEmpty()) { | 
 |             msg += " "; | 
 |         } | 
 |         msg += String8::format("bottom(%d isn't %d)", r1.bottom, r2.bottom); | 
 |     } | 
 |     if (!msg.isEmpty()) { | 
 |         msg += String8::format(" R1: [%d %d %d %d] R2: [%d %d %d %d]", | 
 |                                r1.left, r1.top, r1.right, r1.bottom, | 
 |                                r2.left, r2.top, r2.right, r2.bottom); | 
 |         fprintf(stderr, "assertRectEq: %s\n", msg.string()); | 
 |         return ::testing::AssertionFailure(::testing::Message(msg.string())); | 
 |     } else { | 
 |         return ::testing::AssertionSuccess(); | 
 |     } | 
 | } | 
 |  | 
 | void GLTest::loadShader(GLenum shaderType, const char* pSource, | 
 |         GLuint* outShader) { | 
 |     GLuint shader = glCreateShader(shaderType); | 
 |     ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError()); | 
 |     if (shader) { | 
 |         glShaderSource(shader, 1, &pSource, NULL); | 
 |         ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError()); | 
 |         glCompileShader(shader); | 
 |         ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError()); | 
 |         GLint compiled = 0; | 
 |         glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled); | 
 |         ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError()); | 
 |         if (!compiled) { | 
 |             GLint infoLen = 0; | 
 |             glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &infoLen); | 
 |             ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError()); | 
 |             if (infoLen) { | 
 |                 char* buf = (char*) malloc(infoLen); | 
 |                 if (buf) { | 
 |                     glGetShaderInfoLog(shader, infoLen, NULL, buf); | 
 |                     printf("Shader compile log:\n%s\n", buf); | 
 |                     free(buf); | 
 |                     FAIL(); | 
 |                 } | 
 |             } else { | 
 |                 char* buf = (char*) malloc(0x1000); | 
 |                 if (buf) { | 
 |                     glGetShaderInfoLog(shader, 0x1000, NULL, buf); | 
 |                     printf("Shader compile log:\n%s\n", buf); | 
 |                     free(buf); | 
 |                     FAIL(); | 
 |                 } | 
 |             } | 
 |             glDeleteShader(shader); | 
 |             shader = 0; | 
 |         } | 
 |     } | 
 |     ASSERT_TRUE(shader != 0); | 
 |     *outShader = shader; | 
 | } | 
 |  | 
 | void GLTest::createProgram(const char* pVertexSource, | 
 |         const char* pFragmentSource, GLuint* outPgm) { | 
 |     GLuint vertexShader, fragmentShader; | 
 |     { | 
 |         SCOPED_TRACE("compiling vertex shader"); | 
 |         ASSERT_NO_FATAL_FAILURE(loadShader(GL_VERTEX_SHADER, pVertexSource, | 
 |                 &vertexShader)); | 
 |     } | 
 |     { | 
 |         SCOPED_TRACE("compiling fragment shader"); | 
 |         ASSERT_NO_FATAL_FAILURE(loadShader(GL_FRAGMENT_SHADER, pFragmentSource, | 
 |                 &fragmentShader)); | 
 |     } | 
 |  | 
 |     GLuint program = glCreateProgram(); | 
 |     ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError()); | 
 |     if (program) { | 
 |         glAttachShader(program, vertexShader); | 
 |         ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError()); | 
 |         glAttachShader(program, fragmentShader); | 
 |         ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError()); | 
 |         glLinkProgram(program); | 
 |         GLint linkStatus = GL_FALSE; | 
 |         glGetProgramiv(program, GL_LINK_STATUS, &linkStatus); | 
 |         if (linkStatus != GL_TRUE) { | 
 |             GLint bufLength = 0; | 
 |             glGetProgramiv(program, GL_INFO_LOG_LENGTH, &bufLength); | 
 |             if (bufLength) { | 
 |                 char* buf = (char*) malloc(bufLength); | 
 |                 if (buf) { | 
 |                     glGetProgramInfoLog(program, bufLength, NULL, buf); | 
 |                     printf("Program link log:\n%s\n", buf); | 
 |                     free(buf); | 
 |                     FAIL(); | 
 |                 } | 
 |             } | 
 |             glDeleteProgram(program); | 
 |             program = 0; | 
 |         } | 
 |     } | 
 |     glDeleteShader(vertexShader); | 
 |     glDeleteShader(fragmentShader); | 
 |     ASSERT_TRUE(program != 0); | 
 |     *outPgm = program; | 
 | } | 
 |  | 
 | } // namespace android |