1 // Copyright (C) 2018 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #pragma once 16 17 #include "OpenGLESDispatch/OpenGLDispatchLoader.h" 18 19 #include "base/testing/TestSystem.h" 20 21 namespace emugl { 22 23 // Global dispatch object with functions overridden for snapshot testing 24 const GLESv2Dispatch* getSnapshotTestDispatch(); 25 26 // SnapshotTestDispatch - a GL dispatcher with some of its functions overridden 27 // that can act as a drop-in replacement for GLESv2Dispatch. These functions are 28 // given wrappers that perform a test of the GL snapshot when they are called. 29 // 30 // It uses the FrameBuffer to perform the snapshot; thus will only work in an 31 // environment where the FrameBuffer exists. 32 class SnapshotTestDispatch : public GLESv2Dispatch { 33 public: 34 SnapshotTestDispatch(); 35 36 protected: 37 void overrideFunctions(); 38 39 void saveSnapshot(); 40 41 void loadSnapshot(); 42 43 static void testDraw(std::function<void()> doDraw); 44 test_glDrawArrays(GLenum mode,GLint first,GLsizei count)45 static void test_glDrawArrays(GLenum mode, GLint first, GLsizei count) { 46 testDraw([&] { 47 LazyLoadedGLESv2Dispatch::get()->glDrawArrays(mode, first, count); 48 }); 49 } 50 test_glDrawElements(GLenum mode,GLsizei count,GLenum type,const GLvoid * indices)51 static void test_glDrawElements(GLenum mode, 52 GLsizei count, 53 GLenum type, 54 const GLvoid* indices) { 55 testDraw([&] { 56 LazyLoadedGLESv2Dispatch::get()->glDrawElements(mode, count, type, 57 indices); 58 }); 59 } 60 61 bool mValid = false; 62 63 int mLoadCount = 0; 64 65 android::base::TestSystem mTestSystem; 66 std::string mSnapshotPath = {}; 67 std::string mSnapshotFile = {}; 68 std::string mTextureFile = {}; 69 }; 70 71 } // namespace emugl 72