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// Copyright (C) 2018 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.
#pragma once
#include "emugl/common/OpenGLDispatchLoader.h"
#include "android/base/testing/TestSystem.h"
namespace emugl {
// Global dispatch object with functions overridden for snapshot testing
const GLESv2Dispatch* getSnapshotTestDispatch();
// SnapshotTestDispatch - a GL dispatcher with some of its functions overridden
// that can act as a drop-in replacement for GLESv2Dispatch. These functions are
// given wrappers that perform a test of the GL snapshot when they are called.
//
// It uses the FrameBuffer to perform the snapshot; thus will only work in an
// environment where the FrameBuffer exists.
class SnapshotTestDispatch : public GLESv2Dispatch {
public:
SnapshotTestDispatch();
protected:
void overrideFunctions();
void saveSnapshot();
void loadSnapshot();
static void testDraw(std::function<void()> doDraw);
static void test_glDrawArrays(GLenum mode, GLint first, GLsizei count) {
testDraw([&] {
LazyLoadedGLESv2Dispatch::get()->glDrawArrays(mode, first, count);
});
}
static void test_glDrawElements(GLenum mode,
GLsizei count,
GLenum type,
const GLvoid* indices) {
testDraw([&] {
LazyLoadedGLESv2Dispatch::get()->glDrawElements(mode, count, type,
indices);
});
}
bool mValid = false;
int mLoadCount = 0;
android::base::TestSystem mTestSystem;
std::string mSnapshotPath = {};
std::string mSnapshotFile = {};
std::string mTextureFile = {};
};
} // namespace emugl
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