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//
// Copyright 2016 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// EGLRobustnessTest.cpp: tests for EGL_EXT_create_context_robustness
//
// Tests causing GPU resets are disabled, use the following args to run them:
// --gtest_also_run_disabled_tests --gtest_filter=EGLRobustnessTest\*
#include <gtest/gtest.h>
#include "test_utils/ANGLETest.h"
#include "util/OSWindow.h"
using namespace angle;
class EGLRobustnessTest : public ANGLETest
{
public:
void testSetUp() override
{
mOSWindow = OSWindow::New();
mOSWindow->initialize("EGLRobustnessTest", 500, 500);
mOSWindow->setVisible(true);
const auto &platform = GetParam().eglParameters;
std::vector<EGLint> displayAttributes;
displayAttributes.push_back(EGL_PLATFORM_ANGLE_TYPE_ANGLE);
displayAttributes.push_back(platform.renderer);
displayAttributes.push_back(EGL_PLATFORM_ANGLE_MAX_VERSION_MAJOR_ANGLE);
displayAttributes.push_back(platform.majorVersion);
displayAttributes.push_back(EGL_PLATFORM_ANGLE_MAX_VERSION_MINOR_ANGLE);
displayAttributes.push_back(platform.minorVersion);
if (platform.deviceType != EGL_DONT_CARE)
{
displayAttributes.push_back(EGL_PLATFORM_ANGLE_DEVICE_TYPE_ANGLE);
displayAttributes.push_back(platform.deviceType);
}
displayAttributes.push_back(EGL_NONE);
mDisplay = eglGetPlatformDisplayEXT(EGL_PLATFORM_ANGLE_ANGLE,
reinterpret_cast<void *>(mOSWindow->getNativeDisplay()),
&displayAttributes[0]);
ASSERT_NE(EGL_NO_DISPLAY, mDisplay);
ASSERT_TRUE(eglInitialize(mDisplay, nullptr, nullptr) == EGL_TRUE);
const char *extensions = eglQueryString(mDisplay, EGL_EXTENSIONS);
if (strstr(extensions, "EGL_EXT_create_context_robustness") == nullptr)
{
std::cout << "Test skipped due to missing EGL_EXT_create_context_robustness"
<< std::endl;
return;
}
int nConfigs = 0;
ASSERT_TRUE(eglGetConfigs(mDisplay, nullptr, 0, &nConfigs) == EGL_TRUE);
ASSERT_LE(1, nConfigs);
int nReturnedConfigs = 0;
ASSERT_TRUE(eglGetConfigs(mDisplay, &mConfig, 1, &nReturnedConfigs) == EGL_TRUE);
ASSERT_EQ(1, nReturnedConfigs);
mWindow = eglCreateWindowSurface(mDisplay, mConfig, mOSWindow->getNativeWindow(), nullptr);
ASSERT_EGL_SUCCESS();
mInitialized = true;
}
void testTearDown() override
{
eglDestroySurface(mDisplay, mWindow);
eglDestroyContext(mDisplay, mContext);
eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglTerminate(mDisplay);
EXPECT_EGL_SUCCESS();
OSWindow::Delete(&mOSWindow);
}
void createContext(EGLint resetStrategy)
{
const EGLint contextAttribs[] = {EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_EXT,
resetStrategy, EGL_NONE};
mContext = eglCreateContext(mDisplay, mConfig, EGL_NO_CONTEXT, contextAttribs);
ASSERT_NE(EGL_NO_CONTEXT, mContext);
eglMakeCurrent(mDisplay, mWindow, mWindow, mContext);
ASSERT_EGL_SUCCESS();
const char *extensionString = reinterpret_cast<const char *>(glGetString(GL_EXTENSIONS));
ASSERT_NE(nullptr, strstr(extensionString, "GL_ANGLE_instanced_arrays"));
}
void forceContextReset()
{
// Cause a GPU reset by drawing 100,000,000 fullscreen quads
GLuint program = CompileProgram(
"attribute vec4 pos;\n"
"void main() {gl_Position = pos;}\n",
"precision mediump float;\n"
"void main() {gl_FragColor = vec4(1.0);}\n");
ASSERT_NE(0u, program);
glUseProgram(program);
GLfloat vertices[] = {
-1.0f, -1.0f, 0.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f,
1.0f, -1.0f, 0.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f,
};
const int kNumQuads = 10000;
std::vector<GLushort> indices(6 * kNumQuads);
for (size_t i = 0; i < kNumQuads; i++)
{
indices[i * 6 + 0] = 0;
indices[i * 6 + 1] = 1;
indices[i * 6 + 2] = 2;
indices[i * 6 + 3] = 1;
indices[i * 6 + 4] = 2;
indices[i * 6 + 5] = 3;
}
glBindAttribLocation(program, 0, "pos");
glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, 0, vertices);
glEnableVertexAttribArray(0);
glViewport(0, 0, mOSWindow->getWidth(), mOSWindow->getHeight());
glClearColor(1.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
glDrawElementsInstancedANGLE(GL_TRIANGLES, kNumQuads * 6, GL_UNSIGNED_SHORT, indices.data(),
10000);
glFinish();
}
protected:
EGLDisplay mDisplay = EGL_NO_DISPLAY;
EGLSurface mWindow = EGL_NO_SURFACE;
bool mInitialized = false;
private:
EGLContext mContext = EGL_NO_CONTEXT;
EGLConfig mConfig = 0;
OSWindow *mOSWindow = nullptr;
};
// Check glGetGraphicsResetStatusEXT returns GL_NO_ERROR if we did nothing
TEST_P(EGLRobustnessTest, NoErrorByDefault)
{
ANGLE_SKIP_TEST_IF(!mInitialized);
ASSERT_TRUE(glGetGraphicsResetStatusEXT() == GL_NO_ERROR);
}
// Checks that the application gets no loss with NO_RESET_NOTIFICATION
TEST_P(EGLRobustnessTest, DISABLED_NoResetNotification)
{
ANGLE_SKIP_TEST_IF(!mInitialized);
createContext(EGL_NO_RESET_NOTIFICATION_EXT);
if (!IsWindows())
{
std::cout << "Test disabled on non Windows platforms because drivers can't recover. "
<< "See " << __FILE__ << ":" << __LINE__ << std::endl;
return;
}
std::cout << "Causing a GPU reset, brace for impact." << std::endl;
forceContextReset();
ASSERT_TRUE(glGetGraphicsResetStatusEXT() == GL_NO_ERROR);
}
// Checks that resetting the ANGLE display allows to get rid of the context loss.
// Also checks that the application gets notified of the loss of the display.
// We coalesce both tests to reduce the number of TDRs done on Windows: by default
// having more than 5 TDRs in a minute will cause Windows to disable the GPU until
// the computer is rebooted.
TEST_P(EGLRobustnessTest, DISABLED_ResettingDisplayWorks)
{
// Note that on Windows the OpenGL driver fails hard (popup that closes the application)
// on a TDR caused by D3D. Don't run D3D tests at the same time as the OpenGL tests.
ANGLE_SKIP_TEST_IF(IsWindows() && isGLRenderer());
ANGLE_SKIP_TEST_IF(!mInitialized);
createContext(EGL_LOSE_CONTEXT_ON_RESET_EXT);
if (!IsWindows())
{
std::cout << "Test disabled on non Windows platforms because drivers can't recover. "
<< "See " << __FILE__ << ":" << __LINE__ << std::endl;
return;
}
std::cout << "Causing a GPU reset, brace for impact." << std::endl;
forceContextReset();
ASSERT_TRUE(glGetGraphicsResetStatusEXT() != GL_NO_ERROR);
recreateTestFixture();
ASSERT_TRUE(glGetGraphicsResetStatusEXT() == GL_NO_ERROR);
}
ANGLE_INSTANTIATE_TEST(EGLRobustnessTest,
WithNoFixture(ES2_VULKAN()),
WithNoFixture(ES2_D3D9()),
WithNoFixture(ES2_D3D11()),
WithNoFixture(ES2_OPENGL()));