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      1 //
      2 // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
      3 // Use of this source code is governed by a BSD-style license that can be
      4 // found in the LICENSE file.
      5 //
      6 
      7 #ifndef ANGLE_TESTS_ANGLE_TEST_H_
      8 #define ANGLE_TESTS_ANGLE_TEST_H_
      9 
     10 #include "gtest/gtest.h"
     11 
     12 #define GL_GLEXT_PROTOTYPES
     13 
     14 #include <GLES3/gl3.h>
     15 #include <GLES3/gl3ext.h>
     16 #include <GLES2/gl2.h>
     17 #include <GLES2/gl2ext.h>
     18 #include <EGL/egl.h>
     19 #include <EGL/eglext.h>
     20 #include <algorithm>
     21 
     22 #define EXPECT_GL_ERROR(err) EXPECT_EQ((err), glGetError())
     23 #define EXPECT_GL_NO_ERROR() EXPECT_GL_ERROR(GL_NO_ERROR)
     24 
     25 #define ASSERT_GL_ERROR(err) ASSERT_EQ((err), glGetError())
     26 #define ASSERT_GL_NO_ERROR() ASSERT_GL_ERROR(GL_NO_ERROR)
     27 
     28 #define EXPECT_PIXEL_EQ(x, y, r, g, b, a) \
     29 { \
     30     GLubyte pixel[4]; \
     31     glReadPixels((x), (y), 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, pixel); \
     32     EXPECT_GL_NO_ERROR(); \
     33     EXPECT_EQ((r), pixel[0]); \
     34     EXPECT_EQ((g), pixel[1]); \
     35     EXPECT_EQ((b), pixel[2]); \
     36     EXPECT_EQ((a), pixel[3]); \
     37 }
     38 
     39 #define SHADER_SOURCE(...) #__VA_ARGS__
     40 
     41 class ANGLETest : public testing::Test
     42 {
     43   protected:
     44     ANGLETest();
     45 
     46   public:
     47     static bool InitTestWindow();
     48     static bool DestroyTestWindow();
     49     static bool ReizeWindow(int width, int height);
     50 
     51   protected:
     52     virtual void SetUp();
     53     virtual void TearDown();
     54 
     55     virtual void swapBuffers();
     56 
     57     static void drawQuad(GLuint program, const std::string& positionAttribName, GLfloat quadDepth);
     58     static GLuint compileShader(GLenum type, const std::string &source);
     59     static GLuint compileProgram(const std::string &vsSource, const std::string &fsSource);
     60     static bool extensionEnabled(const std::string &extName);
     61 
     62     void setClientVersion(int clientVersion);
     63     void setWindowWidth(int width);
     64     void setWindowHeight(int height);
     65     void setConfigRedBits(int bits);
     66     void setConfigGreenBits(int bits);
     67     void setConfigBlueBits(int bits);
     68     void setConfigAlphaBits(int bits);
     69     void setConfigDepthBits(int bits);
     70     void setConfigStencilBits(int bits);
     71     void setMultisampleEnabled(bool enabled);
     72 
     73     int getClientVersion() const;
     74     int getWindowWidth() const;
     75     int getWindowHeight() const;
     76     int getConfigRedBits() const;
     77     int getConfigGreenBits() const;
     78     int getConfigBlueBits() const;
     79     int getConfigAlphaBits() const;
     80     int getConfigDepthBits() const;
     81     int getConfigStencilBits() const;
     82     bool isMultisampleEnabled() const;
     83 
     84   private:
     85     bool createEGLContext();
     86     bool destroyEGLContext();
     87 
     88     int mClientVersion;
     89     int mWidth;
     90     int mHeight;
     91     int mRedBits;
     92     int mGreenBits;
     93     int mBlueBits;
     94     int mAlphaBits;
     95     int mDepthBits;
     96     int mStencilBits;
     97     bool mMultisample;
     98 
     99     EGLConfig mConfig;
    100     EGLSurface mSurface;
    101     EGLContext mContext;
    102 
    103     static EGLDisplay mDisplay;
    104     static EGLNativeWindowType mNativeWindow;
    105     static EGLNativeDisplayType mNativeDisplay;
    106 };
    107 
    108 class ANGLETestEnvironment : public testing::Environment
    109 {
    110   public:
    111     virtual void SetUp();
    112     virtual void TearDown();
    113 };
    114 
    115 #endif  // ANGLE_TESTS_ANGLE_TEST_H_
    116