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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include "base/command_line.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gl/gl_egl_api_implementation.h"
#include "ui/gl/gl_surface_egl.h"
#include "ui/gl/gl_switches.h"
namespace gl {
class EGLApiTest : public testing::Test {
public:
void SetUp() override {
fake_client_extension_string_ = "";
fake_extension_string_ = "";
// TODO(dyen): Add a way to bind mock drivers for testing.
g_driver_egl.ClearBindings();
g_driver_egl.fn.eglInitializeFn = &FakeInitialize;
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;
}
void TearDown() override {
g_current_egl_context = nullptr;
api_.reset(nullptr);
g_driver_egl.ClearBindings();
fake_client_extension_string_ = "";
fake_extension_string_ = "";
}
void InitializeAPI(base::CommandLine* command_line) {
api_.reset(new RealEGLApi());
g_current_egl_context = api_.get();
if (command_line)
api_->InitializeWithCommandLine(&g_driver_egl, command_line);
else
api_->Initialize(&g_driver_egl);
g_driver_egl.InitializeClientExtensionBindings();
GLSurfaceEGL::InitializeDisplay(EGL_DEFAULT_DISPLAY);
g_driver_egl.InitializeExtensionBindings();
}
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 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_;
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(g_driver_egl.ext.b_EGL_KHR_fence_sync);
base::CommandLine command_line(base::CommandLine::NO_PROGRAM);
command_line.AppendSwitchASCII(switches::kDisableGLExtensions,
kFakeDisabledExtensions);
InitializeAPI(&command_line);
EXPECT_FALSE(g_driver_egl.ext.b_EGL_KHR_fence_sync);
}
TEST_F(EGLApiTest, DisabledExtensionStringTest) {
static const char* kFakeExtensions = "EGL_EXT_1 EGL_EXT_2"
" EGL_EXT_3 EGL_EXT_4";
static const char* kFakeClientExtensions =
"EGL_CLIENT_EXT_1 EGL_CLIENT_EXT_2";
static const char* kFakeDisabledExtensions =
"EGL_EXT_1,EGL_EXT_2,EGL_FAKE,EGL_CLIENT_EXT_1";
static const char* kFilteredExtensions = "EGL_EXT_3 EGL_EXT_4";
static const char* kFilteredClientExtensions = "EGL_CLIENT_EXT_2";
SetFakeExtensionString(kFakeExtensions, kFakeClientExtensions);
InitializeAPI(nullptr);
EXPECT_STREQ(kFakeClientExtensions, GetExtensions().first);
EXPECT_STREQ(kFakeExtensions, GetExtensions().second);
base::CommandLine command_line(base::CommandLine::NO_PROGRAM);
command_line.AppendSwitchASCII(switches::kDisableGLExtensions,
kFakeDisabledExtensions);
InitializeAPI(&command_line);
EXPECT_STREQ(kFilteredClientExtensions, GetExtensions().first);
EXPECT_STREQ(kFilteredExtensions, GetExtensions().second);
}
} // namespace gl
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