From 460a2477c30756f4d1152e46cc65eab4cba180b1 Mon Sep 17 00:00:00 2001 From: ssdfasd <2156608475@qq.com> Date: Fri, 20 Mar 2026 18:30:38 +0800 Subject: [PATCH] OpenGL: Add minimal integration test and enable integration test framework - Add OpenGL_Minimal integration test using Win32 native API + glad - Copy run_integration_test.py and compare_ppm.py from D3D12 - Create minimal/main.cpp with red clear color (matching D3D12) - Generate GT.ppm golden template for 1280x720 red window - Add VertexArray_Bind_MultipleAttributes unit test - Update integration/CMakeLists.txt to build OpenGL_Minimal target --- tests/RHI/OpenGL/integration/CMakeLists.txt | 43 +++- tests/RHI/OpenGL/integration/compare_ppm.py | 75 +++++++ tests/RHI/OpenGL/integration/minimal/GT.ppm | Bin 0 -> 2764816 bytes tests/RHI/OpenGL/integration/minimal/main.cpp | 211 ++++++++++++++++++ .../integration/run_integration_test.py | 124 ++++++++++ tests/RHI/OpenGL/unit/test_vertex_array.cpp | 45 ++++ 6 files changed, 497 insertions(+), 1 deletion(-) create mode 100644 tests/RHI/OpenGL/integration/compare_ppm.py create mode 100644 tests/RHI/OpenGL/integration/minimal/GT.ppm create mode 100644 tests/RHI/OpenGL/integration/minimal/main.cpp create mode 100644 tests/RHI/OpenGL/integration/run_integration_test.py diff --git a/tests/RHI/OpenGL/integration/CMakeLists.txt b/tests/RHI/OpenGL/integration/CMakeLists.txt index b8d4d4d0..fdc7dc8e 100644 --- a/tests/RHI/OpenGL/integration/CMakeLists.txt +++ b/tests/RHI/OpenGL/integration/CMakeLists.txt @@ -8,4 +8,45 @@ find_package(Python3 REQUIRED) enable_testing() -message(STATUS "OpenGL integration tests placeholder - to be implemented in Phase 5") \ No newline at end of file +set(PACKAGE_DIR ${CMAKE_SOURCE_DIR}/tests/OpenGL/package) + +add_executable(OpenGL_Minimal + WIN32 + minimal/main.cpp + ${PACKAGE_DIR}/src/glad.c +) + +target_include_directories(OpenGL_Minimal PRIVATE + ${CMAKE_CURRENT_SOURCE_DIR}/minimal + ${ENGINE_ROOT_DIR}/include + ${PACKAGE_DIR}/include +) + +target_link_libraries(OpenGL_Minimal PRIVATE + opengl32 + ${PACKAGE_DIR}/lib/glfw3.lib + XCEngine +) + +target_compile_definitions(OpenGL_Minimal PRIVATE + UNICODE + _UNICODE +) + +add_custom_command(TARGET OpenGL_Minimal POST_BUILD + COMMAND ${CMAKE_COMMAND} -E copy_if_different + ${CMAKE_CURRENT_SOURCE_DIR}/run_integration_test.py + $/ + COMMAND ${CMAKE_COMMAND} -E copy_if_different + ${CMAKE_CURRENT_SOURCE_DIR}/compare_ppm.py + $/ +) + +add_test(NAME OpenGL_Minimal_Integration + COMMAND ${Python3_EXECUTABLE} $/run_integration_test.py + $ + minimal.ppm + ${CMAKE_CURRENT_SOURCE_DIR}/minimal/GT.ppm + 5 + WORKING_DIRECTORY $ +) \ No newline at end of file diff --git a/tests/RHI/OpenGL/integration/compare_ppm.py b/tests/RHI/OpenGL/integration/compare_ppm.py new file mode 100644 index 00000000..dcf5de98 --- /dev/null +++ b/tests/RHI/OpenGL/integration/compare_ppm.py @@ -0,0 +1,75 @@ +import sys +import os + + +def read_ppm(filename): + with open(filename, "rb") as f: + header = f.readline() + if header != b"P6\n": + raise ValueError(f"Not a P6 PPM file: {filename}") + + while True: + line = f.readline() + if not line.startswith(b"#"): + break + + dims = line.split() + width, height = int(dims[0]), int(dims[1]) + + line = f.readline() + maxval = int(line.strip()) + + data = f.read() + return width, height, data + + +def compare_ppm(file1, file2, threshold): + w1, h1, d1 = read_ppm(file1) + w2, h2, d2 = read_ppm(file2) + + if w1 != w2 or h1 != h2: + print(f"ERROR: Size mismatch - {file1}: {w1}x{h1}, {file2}: {w2}x{h2}") + return False + + total_pixels = w1 * h1 + diff_count = 0 + + for i in range(len(d1)): + diff = abs(d1[i] - d2[i]) + if diff > threshold: + diff_count += 1 + + diff_percent = (diff_count / (total_pixels * 3)) * 100 + + print(f"Image 1: {file1} ({w1}x{h1})") + print(f"Image 2: {file2} ({w2}x{h2})") + print(f"Threshold: {threshold}") + print(f"Different pixels: {diff_count} / {total_pixels * 3} ({diff_percent:.2f}%)") + + if diff_percent <= 1.0: + print("PASS: Images match!") + return True + else: + print("FAIL: Images differ!") + return False + + +if __name__ == "__main__": + if len(sys.argv) != 4: + print("Usage: python compare_ppm.py ") + sys.exit(1) + + file1 = sys.argv[1] + file2 = sys.argv[2] + threshold = int(sys.argv[3]) + + if not os.path.exists(file1): + print(f"ERROR: File not found: {file1}") + sys.exit(1) + + if not os.path.exists(file2): + print(f"ERROR: File not found: {file2}") + sys.exit(1) + + result = compare_ppm(file1, file2, threshold) + sys.exit(0 if result else 1) diff --git a/tests/RHI/OpenGL/integration/minimal/GT.ppm b/tests/RHI/OpenGL/integration/minimal/GT.ppm new file mode 100644 index 0000000000000000000000000000000000000000..631172b16242e60a7bc5f01352d33009dc68371d GIT binary patch literal 2764816 zcmeIuISl|H5CAadQ-K7yghvMc&43BUCRNZgqvvjQWs4jmZYdZrV8DO@0|pEjFkrxd z0RsjM7%*VKfB^#r3>YwAz<>b*1`HT5V8DO@0|pEjFkrxd0RsjM7%*VKfB^#r3>YwA 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+static const int gWidth = 1280; +static const int gHeight = 720; +static HWND gHWND = nullptr; +static HDC gHDC = nullptr; +static HGLRC gHGLRC = nullptr; + +void Log(const char* format, ...) { + char buffer[1024]; + va_list args; + va_start(args, format); + vsnprintf(buffer, sizeof(buffer), format, args); + va_end(args); + Logger::Get().Debug(LogCategory::Rendering, String(buffer)); +} + +LRESULT CALLBACK WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) { + switch (msg) { + case WM_CLOSE: + PostQuitMessage(0); + break; + } + return DefWindowProc(hwnd, msg, wParam, lParam); +} + +bool InitOpenGL() { + gHDC = GetDC(gHWND); + if (!gHDC) { + Log("[ERROR] Failed to get DC"); + return false; + } + + PIXELFORMATDESCRIPTOR pfd = {}; + pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR); + pfd.nVersion = 1; + pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER; + pfd.iPixelType = PFD_TYPE_RGBA; + pfd.cColorBits = 32; + pfd.cDepthBits = 24; + pfd.cStencilBits = 8; + pfd.iLayerType = PFD_MAIN_PLANE; + + int pixelFormat = ChoosePixelFormat(gHDC, &pfd); + if (!pixelFormat) { + Log("[ERROR] Failed to choose pixel format"); + return false; + } + + if (!SetPixelFormat(gHDC, pixelFormat, &pfd)) { + Log("[ERROR] Failed to set pixel format"); + return false; + } + + gHGLRC = wglCreateContext(gHDC); + if (!gHGLRC) { + Log("[ERROR] Failed to create GL context"); + return false; + } + + if (!wglMakeCurrent(gHDC, gHGLRC)) { + Log("[ERROR] Failed to make GL context current"); + return false; + } + + if (!gladLoadGL()) { + Log("[ERROR] Failed to load OpenGL functions"); + return false; + } + + Log("[INFO] OpenGL initialized: %s", glGetString(GL_RENDERER)); + Log("[INFO] OpenGL Version: %s", glGetString(GL_VERSION)); + + glViewport(0, 0, gWidth, gHeight); + glEnable(GL_DEPTH_TEST); + glDepthFunc(GL_LEQUAL); + + return true; +} + +void ShutdownOpenGL() { + if (gHGLRC) { + wglDeleteContext(gHGLRC); + gHGLRC = nullptr; + } + if (gHDC) { + ReleaseDC(gHWND, gHDC); + gHDC = nullptr; + } +} + +void SaveScreenshotPPM(const char* filename) { + unsigned char* pixels = (unsigned char*)malloc(gWidth * gHeight * 3); + if (!pixels) { + Log("[ERROR] Failed to allocate pixel buffer"); + return; + } + + glPixelStorei(GL_PACK_ALIGNMENT, 1); + glReadPixels(0, 0, gWidth, gHeight, GL_RGB, GL_UNSIGNED_BYTE, pixels); + + FILE* f = fopen(filename, "wb"); + if (!f) { + Log("[ERROR] Failed to open file for screenshot: %s", filename); + free(pixels); + return; + } + + fprintf(f, "P6\n%d %d\n255\n", gWidth, gHeight); + + unsigned char* row = (unsigned char*)malloc(gWidth * 3); + for (int y = gHeight - 1; y >= 0; y--) { + memcpy(row, pixels + y * gWidth * 3, gWidth * 3); + fwrite(row, 1, gWidth * 3, f); + } + + free(row); + free(pixels); + fclose(f); + + Log("[INFO] Screenshot saved to %s", filename); +} + +void RenderFrame() { + glClearColor(1.0f, 0.0f, 0.0f, 1.0f); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); + SwapBuffers(gHDC); +} + +int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd) { + Logger::Get().Initialize(); + Logger::Get().AddSink(std::make_unique()); + Logger::Get().SetMinimumLevel(LogLevel::Debug); + + Log("[INFO] OpenGL Integration Test Starting"); + + WNDCLASSEX wc = {}; + wc.cbSize = sizeof(WNDCLASSEX); + wc.style = CS_HREDRAW | CS_VREDRAW; + wc.lpfnWndProc = WindowProc; + wc.hInstance = hInstance; + wc.lpszClassName = L"OpenGLTest"; + + if (!RegisterClassEx(&wc)) { + MessageBox(NULL, L"Failed to register window class", L"Error", MB_OK); + return -1; + } + + RECT rect = { 0, 0, gWidth, gHeight }; + AdjustWindowRect(&rect, WS_OVERLAPPEDWINDOW, FALSE); + + gHWND = CreateWindowEx(0, L"OpenGLTest", L"OpenGL Integration Test", + WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, + rect.right - rect.left, rect.bottom - rect.top, + NULL, NULL, hInstance, NULL); + + if (!gHWND) { + MessageBox(NULL, L"Failed to create window", L"Error", MB_OK); + return -1; + } + + if (!InitOpenGL()) { + MessageBox(NULL, L"Failed to initialize OpenGL", L"Error", MB_OK); + return -1; + } + + ShowWindow(gHWND, nShowCmd); + UpdateWindow(gHWND); + + MSG msg = {}; + int frameCount = 0; + const int targetFrameCount = 30; + + while (true) { + if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) { + if (msg.message == WM_QUIT) { + break; + } + TranslateMessage(&msg); + DispatchMessage(&msg); + } else { + RenderFrame(); + frameCount++; + + if (frameCount >= targetFrameCount) { + Log("[INFO] Reached target frame count %d - taking screenshot!", targetFrameCount); + SaveScreenshotPPM("minimal.ppm"); + break; + } + } + } + + ShutdownOpenGL(); + Logger::Get().Shutdown(); + + Log("[INFO] OpenGL Integration Test Finished"); + return 0; +} \ No newline at end of file diff --git a/tests/RHI/OpenGL/integration/run_integration_test.py b/tests/RHI/OpenGL/integration/run_integration_test.py new file mode 100644 index 00000000..6c63e978 --- /dev/null +++ b/tests/RHI/OpenGL/integration/run_integration_test.py @@ -0,0 +1,124 @@ +import sys +import os +import subprocess +import time +import shutil + + +def run_integration_test(exe_path, output_ppm, gt_ppm, threshold, timeout=120): + """ + Run a D3D12 integration test and compare output with golden template. + + Args: + exe_path: Path to the test executable + output_ppm: Filename of the output screenshot + gt_ppm: Path to the golden template PPM file + threshold: Pixel difference threshold for comparison + timeout: Maximum time to wait for test completion (seconds) + + Returns: + 0 on success, non-zero on failure + """ + exe_dir = os.path.dirname(os.path.abspath(exe_path)) + output_path = os.path.join(exe_dir, output_ppm) + + print(f"[Integration Test] Starting: {exe_path}") + print(f"[Integration Test] Working directory: {exe_dir}") + print(f"[Integration Test] Expected output: {output_path}") + + if not os.path.exists(exe_path): + print(f"[Integration Test] ERROR: Executable not found: {exe_path}") + return 1 + + if not os.path.exists(gt_ppm): + print(f"[Integration Test] ERROR: Golden template not found: {gt_ppm}") + return 1 + + if os.path.exists(output_path): + print(f"[Integration Test] Removing old output: {output_path}") + os.remove(output_path) + + try: + print(f"[Integration Test] Launching process...") + start_time = time.time() + process = subprocess.Popen( + [exe_path], + cwd=exe_dir, + stdout=subprocess.PIPE, + stderr=subprocess.PIPE, + creationflags=subprocess.CREATE_NEW_CONSOLE if os.name == "nt" else 0, + ) + + returncode = None + while time.time() - start_time < timeout: + returncode = process.poll() + if returncode is not None: + break + time.sleep(0.5) + + if returncode is None: + print(f"[Integration Test] ERROR: Process timed out after {timeout}s") + process.kill() + return 1 + + elapsed = time.time() - start_time + print( + f"[Integration Test] Process finished in {elapsed:.1f}s with exit code: {returncode}" + ) + + if returncode != 0: + print(f"[Integration Test] ERROR: Process returned non-zero exit code") + stdout, stderr = process.communicate(timeout=5) + if stdout: + print( + f"[Integration Test] STDOUT:\n{stdout.decode('utf-8', errors='replace')}" + ) + if stderr: + print( + f"[Integration Test] STDERR:\n{stderr.decode('utf-8', errors='replace')}" + ) + return 1 + + except Exception as e: + print(f"[Integration Test] ERROR: Failed to run process: {e}") + return 1 + + if not os.path.exists(output_path): + print(f"[Integration Test] ERROR: Output file not created: {output_path}") + return 1 + + print(f"[Integration Test] Running image comparison...") + script_dir = os.path.dirname(os.path.abspath(__file__)) + compare_script = os.path.join(script_dir, "compare_ppm.py") + + try: + result = subprocess.run( + [sys.executable, compare_script, output_path, gt_ppm, str(threshold)], + cwd=exe_dir, + capture_output=True, + text=True, + ) + print(result.stdout) + if result.stderr: + print(f"[Integration Test] Comparison STDERR: {result.stderr}") + return result.returncode + + except Exception as e: + print(f"[Integration Test] ERROR: Failed to run comparison: {e}") + return 1 + + +if __name__ == "__main__": + if len(sys.argv) != 5: + print( + "Usage: run_integration_test.py " + ) + sys.exit(1) + + exe_path = sys.argv[1] + output_ppm = sys.argv[2] + gt_ppm = sys.argv[3] + threshold = int(sys.argv[4]) + + exit_code = run_integration_test(exe_path, output_ppm, gt_ppm, threshold) + sys.exit(exit_code) diff --git a/tests/RHI/OpenGL/unit/test_vertex_array.cpp b/tests/RHI/OpenGL/unit/test_vertex_array.cpp index 93bd048e..9069a3f4 100644 --- a/tests/RHI/OpenGL/unit/test_vertex_array.cpp +++ b/tests/RHI/OpenGL/unit/test_vertex_array.cpp @@ -68,3 +68,48 @@ TEST_F(OpenGLTestFixture, VertexArray_Bind_Unbind) { vao.Shutdown(); } + +TEST_F(OpenGLTestFixture, VertexArray_Bind_MultipleAttributes) { + OpenGLVertexArray vao; + vao.Initialize(); + + OpenGLBuffer buffer1; + float positions[] = { 0.0f, 0.0f, 0.5f, 0.5f }; + buffer1.InitializeVertexBuffer(positions, sizeof(positions)); + + OpenGLBuffer buffer2; + float colors[] = { 1.0f, 0.0f, 0.0f, 1.0f }; + buffer2.InitializeVertexBuffer(colors, sizeof(colors)); + + VertexAttribute attrPos; + attrPos.index = 0; + attrPos.count = 2; + attrPos.type = GL_FLOAT; + attrPos.normalized = false; + attrPos.stride = sizeof(float) * 2; + attrPos.offset = 0; + + VertexAttribute attrColor; + attrColor.index = 1; + attrColor.count = 4; + attrColor.type = GL_FLOAT; + attrColor.normalized = false; + attrColor.stride = sizeof(float) * 4; + attrColor.offset = 0; + + vao.AddVertexBuffer(buffer1.GetID(), attrPos); + vao.AddVertexBuffer(buffer2.GetID(), attrColor); + + vao.Bind(); + GLint boundVAO = 0; + glGetIntegerv(GL_VERTEX_ARRAY_BINDING, &boundVAO); + EXPECT_EQ(boundVAO, static_cast(vao.GetID())); + + vao.Unbind(); + glGetIntegerv(GL_VERTEX_ARRAY_BINDING, &boundVAO); + EXPECT_EQ(boundVAO, 0); + + buffer1.Shutdown(); + buffer2.Shutdown(); + vao.Shutdown(); +}