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      1 /*
      2  * Copyright 2013 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 #ifndef ANDROID_GL_TEST_H
     18 #define ANDROID_GL_TEST_H
     19 
     20 #include <gtest/gtest.h>
     21 
     22 #include <gui/SurfaceComposerClient.h>
     23 
     24 #include <EGL/egl.h>
     25 #include <GLES/gl.h>
     26 
     27 namespace android {
     28 
     29 class GLTest : public ::testing::Test {
     30 public:
     31     static void loadShader(GLenum shaderType, const char* pSource,
     32             GLuint* outShader);
     33     static void createProgram(const char* pVertexSource,
     34             const char* pFragmentSource, GLuint* outPgm);
     35 
     36 protected:
     37     GLTest() :
     38             mDisplaySecs(0),
     39             mEglDisplay(EGL_NO_DISPLAY),
     40             mEglSurface(EGL_NO_SURFACE),
     41             mEglContext(EGL_NO_CONTEXT),
     42             mGlConfig(NULL) {
     43     }
     44 
     45     virtual void SetUp();
     46     virtual void TearDown();
     47 
     48     virtual EGLint const* getConfigAttribs();
     49     virtual EGLint const* getContextAttribs();
     50     virtual EGLint getSurfaceWidth();
     51     virtual EGLint getSurfaceHeight();
     52     virtual EGLSurface createWindowSurface(EGLDisplay display, EGLConfig config,
     53                                            sp<ANativeWindow>& window) const;
     54 
     55     ::testing::AssertionResult checkPixel(int x, int y,
     56             int r, int g, int b, int a, int tolerance = 2);
     57     ::testing::AssertionResult assertRectEq(const Rect &r1, const Rect &r2,
     58             int tolerance = 1);
     59 
     60     int mDisplaySecs;
     61     sp<SurfaceComposerClient> mComposerClient;
     62     sp<SurfaceControl> mSurfaceControl;
     63 
     64     EGLDisplay mEglDisplay;
     65     EGLSurface mEglSurface;
     66     EGLContext mEglContext;
     67     EGLConfig  mGlConfig;
     68 };
     69 
     70 } // namespace android
     71 
     72 #endif
     73