XCEngine/tests/RHI/OpenGL/unit/fixtures/OpenGLTestFixture.h

#pragma once

#include <windows.h>
#include <glad/glad.h>
#include <gtest/gtest.h>

#include "XCEngine/RHI/OpenGL/OpenGLDevice.h"

namespace XCEngine {
namespace RHI {

class OpenGLTestFixture : public ::testing::Test {
protected:
    void SetUp() override;
    void TearDown() override;

    HWND GetWindow() { return m_hwnd; }
    HDC GetDC() { return m_hdc; }
    HGLRC GetContext() { return m_hglrc; }
    OpenGLDevice* GetDevice() { return m_device; }
    void MakeContextCurrent();
    void DoneContextCurrent();

    void ClearGLErrors();
    bool CheckGLError(const char* file, int line);
    const char* GetGLErrorString(GLenum error);
    void ResetGLState();

private:
    HWND m_hwnd = nullptr;
    HDC m_hdc = nullptr;
    HGLRC m_hglrc = nullptr;
    OpenGLDevice* m_device = nullptr;
    bool m_ownsWindow = false;
};

} // namespace RHI
} // namespace XCEngine

#define GL_CLEAR_ERRORS() \
    do { while (glGetError() != GL_NO_ERROR); } while(0)

#define GL_CHECK(call) \
    do { \
        call; \
        ASSERT_TRUE(XCEngine::RHI::OpenGLTestFixture::CheckGLError(__FILE__, __LINE__)) \
            << "GL error after " << #call; \
    } while(0)

#define GL_EXPECT_SUCCESS(call) \
    do { \
        call; \
        EXPECT_EQ(glGetError(), GL_NO_ERROR) \
            << "GL error after " << #call; \
    } while(0)