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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 "ui/gl/test/gl_surface_test_support.h"
#include <vector>
#include "base/check_op.h"
#include "base/command_line.h"
#include "build/build_config.h"
#include "ui/gl/gl_context.h"
#include "ui/gl/gl_features.h"
#include "ui/gl/gl_implementation.h"
#include "ui/gl/gl_switches.h"
#include "ui/gl/init/gl_factory.h"
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
#include "ui/platform_window/common/platform_window_defaults.h" // nogncheck
#endif
#if BUILDFLAG(IS_OZONE)
#include "ui/ozone/public/ozone_platform.h"
#endif
namespace gl {
namespace {
GLDisplay* InitializeOneOffHelper(bool init_extensions) {
DCHECK_EQ(kGLImplementationNone, GetGLImplementation());
#if BUILDFLAG(IS_OZONE)
ui::OzonePlatform::InitParams params;
params.single_process = true;
ui::OzonePlatform::InitializeForGPU(params);
#endif
#if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
ui::test::EnableTestConfigForPlatformWindows();
#endif
bool use_software_gl = true;
// We usually use software GL as this works on all bots. The
// command line can override this behaviour to use hardware GL.
if (base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kUseGpuInTests)) {
use_software_gl = false;
}
#if BUILDFLAG(IS_ANDROID) || BUILDFLAG(IS_IOS)
// On Android and iOS we always use hardware GL.
use_software_gl = false;
#endif
std::vector<GLImplementationParts> allowed_impls =
init::GetAllowedGLImplementations();
DCHECK(!allowed_impls.empty());
GLImplementationParts impl = allowed_impls[0];
if (use_software_gl) {
impl = gl::GetSoftwareGLImplementation();
}
DCHECK(!base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseGL))
<< "kUseGL has not effect in tests";
bool disable_gl_drawing = true;
CHECK(gl::init::InitializeStaticGLBindingsImplementation(impl));
GLDisplay* display = gl::init::InitializeGLOneOffPlatformImplementation(
disable_gl_drawing, init_extensions, gl::GpuPreference::kDefault);
CHECK(display);
return display;
}
} // namespace
// static
GLDisplay* GLSurfaceTestSupport::InitializeOneOff() {
return InitializeOneOffHelper(true);
}
// static
GLDisplay* GLSurfaceTestSupport::InitializeNoExtensionsOneOff() {
return InitializeOneOffHelper(false);
}
// static
GLDisplay* GLSurfaceTestSupport::InitializeOneOffImplementation(
GLImplementationParts impl) {
DCHECK(!base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseGL))
<< "kUseGL has not effect in tests";
bool disable_gl_drawing = false;
bool init_extensions = true;
CHECK(gl::init::InitializeStaticGLBindingsImplementation(impl));
GLDisplay* display = gl::init::InitializeGLOneOffPlatformImplementation(
disable_gl_drawing, init_extensions, gl::GpuPreference::kDefault);
CHECK(display);
return display;
}
// static
GLDisplay* GLSurfaceTestSupport::InitializeOneOffWithMockBindings() {
#if BUILDFLAG(IS_OZONE)
ui::OzonePlatform::InitParams params;
params.single_process = true;
ui::OzonePlatform::InitializeForGPU(params);
#endif
return InitializeOneOffImplementation(
GLImplementationParts(kGLImplementationMockGL));
}
// static
GLDisplay* GLSurfaceTestSupport::InitializeOneOffWithStubBindings() {
#if BUILDFLAG(IS_OZONE)
ui::OzonePlatform::InitParams params;
params.single_process = true;
ui::OzonePlatform::InitializeForGPU(params);
#endif
return InitializeOneOffImplementation(
GLImplementationParts(kGLImplementationStubGL));
}
// static
GLDisplay* GLSurfaceTestSupport::InitializeOneOffWithNullAngleBindings() {
#if BUILDFLAG(IS_OZONE)
ui::OzonePlatform::InitParams params;
params.single_process = true;
ui::OzonePlatform::InitializeForGPU(params);
#endif
auto* display = InitializeOneOffImplementation(
GLImplementationParts(gl::ANGLEImplementation::kNull));
DCHECK_EQ(gl::GetANGLEImplementation(), gl::ANGLEImplementation::kNull);
return display;
}
// static
void GLSurfaceTestSupport::ShutdownGL(GLDisplay* display) {
init::ShutdownGL(display, false);
}
} // namespace gl
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