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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include "base/memory/raw_ptr.h"
#include "build/build_config.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gl/gl_display.h"
#include "ui/gl/gl_display_manager.h"
#include "ui/gl/gl_egl_api_implementation.h"
#include "ui/gl/gl_surface_egl.h"
#include "ui/gl/gl_switches.h"
#include "ui/gl/init/gl_display_initializer.h"
#include "ui/gl/init/gl_factory.h"
#if BUILDFLAG(IS_OZONE)
#include "ui/ozone/public/ozone_platform.h"
#endif
namespace gl {
class EGLApiTest : public testing::Test {
public:
void SetUp() override {
fake_client_extension_string_ = "";
fake_extension_string_ = "";
display_ = nullptr;
g_driver_egl.fn.eglInitializeFn = &FakeInitialize;
g_driver_egl.fn.eglTerminateFn = &FakeTerminate;
g_driver_egl.fn.eglQueryStringFn = &FakeQueryString;
g_driver_egl.fn.eglGetCurrentDisplayFn = &FakeGetCurrentDisplay;
g_driver_egl.fn.eglGetDisplayFn = &FakeGetDisplay;
g_driver_egl.fn.eglGetErrorFn = &FakeGetError;
g_driver_egl.fn.eglGetProcAddressFn = &FakeGetProcAddress;
#if BUILDFLAG(IS_WIN)
SetGLImplementation(kGLImplementationEGLANGLE);
#else
SetGLImplementation(kGLImplementationEGLGLES2);
#endif
#if BUILDFLAG(IS_OZONE)
ui::OzonePlatform::InitParams params;
params.single_process = true;
ui::OzonePlatform::InitializeForGPU(params);
#endif
}
void TearDown() override {
init::ShutdownGL(display_, false);
api_.reset(nullptr);
fake_client_extension_string_ = "";
fake_extension_string_ = "";
}
void InitializeAPI(const char* disabled_extensions) {
api_ = std::make_unique<RealEGLApi>();
g_current_egl_context = api_.get();
api_->Initialize(&g_driver_egl);
if (disabled_extensions) {
SetDisabledExtensionsEGL(disabled_extensions);
}
display_ =
GLDisplayManagerEGL::GetInstance()->GetDisplay(GpuPreference::kDefault);
// Clear the display so InitializeDisplay() will re-initialize it.
display_->SetDisplay(EGL_NO_DISPLAY);
init::InitializeDisplay(display_, EGLDisplayPlatform(EGL_DEFAULT_DISPLAY));
}
void SetFakeExtensionString(const char* fake_string,
const char* fake_client_string) {
fake_extension_string_ = fake_string;
fake_client_extension_string_ = fake_client_string;
}
static EGLBoolean GL_BINDING_CALL FakeInitialize(EGLDisplay display,
EGLint * major,
EGLint * minor) {
return EGL_TRUE;
}
static EGLBoolean GL_BINDING_CALL FakeTerminate(EGLDisplay dpy) {
return EGL_TRUE;
}
static const char* GL_BINDING_CALL FakeQueryString(EGLDisplay dpy,
EGLint name) {
if (dpy == EGL_NO_DISPLAY) {
return fake_client_extension_string_;
} else {
return fake_extension_string_;
}
}
static EGLDisplay GL_BINDING_CALL FakeGetCurrentDisplay() {
return reinterpret_cast<EGLDisplay>(0x1);
}
static EGLDisplay GL_BINDING_CALL FakeGetDisplay(
EGLNativeDisplayType native_display) {
return reinterpret_cast<EGLDisplay>(0x1);
}
static EGLint GL_BINDING_CALL FakeGetError() {
return EGL_SUCCESS;
}
static __eglMustCastToProperFunctionPointerType GL_BINDING_CALL
FakeGetProcAddress(const char* procname) {
return nullptr;
}
std::pair<const char*, const char*> GetExtensions() {
return std::make_pair(
api_->eglQueryStringFn(EGL_NO_DISPLAY, EGL_EXTENSIONS),
api_->eglQueryStringFn(api_->eglGetCurrentDisplayFn(), EGL_EXTENSIONS));
}
protected:
static const char* fake_extension_string_;
static const char* fake_client_extension_string_;
raw_ptr<GLDisplayEGL> display_ = nullptr;
std::unique_ptr<RealEGLApi> api_;
};
const char* EGLApiTest::fake_extension_string_ = "";
const char* EGLApiTest::fake_client_extension_string_ = "";
TEST_F(EGLApiTest, DisabledExtensionBitTest) {
static const char* kFakeExtensions = "EGL_KHR_fence_sync";
static const char* kFakeClientExtensions = "";
static const char* kFakeDisabledExtensions = "EGL_KHR_fence_sync";
SetFakeExtensionString(kFakeExtensions, kFakeClientExtensions);
InitializeAPI(nullptr);
EXPECT_TRUE(this->display_->ext->b_EGL_KHR_fence_sync);
InitializeAPI(kFakeDisabledExtensions);
EXPECT_FALSE(this->display_->ext->b_EGL_KHR_fence_sync);
}
TEST_F(EGLApiTest, DisabledExtensionStringTest) {
static const char* kFakeExtensions =
"EGL_EXT_1 EGL_KHR_fence_sync EGL_EXT_3 EGL_KHR_wait_sync";
static const char* kFakeClientExtensions =
"EGL_CLIENT_EXT_1 EGL_CLIENT_EXT_2";
static const char* kFakeDisabledExtensions =
"EGL_KHR_fence_sync,EGL_KHR_wait_sync";
static const char* kFilteredExtensions = "EGL_EXT_1 EGL_EXT_3";
static const char* kFilteredClientExtensions =
"EGL_CLIENT_EXT_1 EGL_CLIENT_EXT_2";
SetFakeExtensionString(kFakeExtensions, kFakeClientExtensions);
InitializeAPI(nullptr);
EXPECT_STREQ(kFakeClientExtensions, GetExtensions().first);
EXPECT_STREQ(kFakeExtensions, GetExtensions().second);
InitializeAPI(kFakeDisabledExtensions);
EXPECT_STREQ(kFilteredClientExtensions, GetExtensions().first);
EXPECT_STREQ(kFilteredExtensions, GetExtensions().second);
}
} // namespace gl
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