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// Copyright 2023 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/init/gl_initializer.h"
#include "base/logging.h"
#include "ui/gl/gl_bindings.h"
#include "ui/gl/gl_context.h"
#include "ui/gl/gl_display.h"
#include "ui/gl/gl_egl_api_implementation.h"
#include "ui/gl/gl_gl_api_implementation.h"
#include "ui/gl/gl_implementation.h"
#include "ui/gl/gl_surface.h"
#include "ui/gl/gl_utils.h"
#include "ui/gl/init/gl_display_initializer.h"
namespace gl {
namespace init {
GLDisplay* InitializeGLOneOffPlatform(gl::GpuPreference gpu_preference) {
GLDisplayEGL* display = GetDisplayEGL(gpu_preference);
switch (GetGLImplementation()) {
case kGLImplementationEGLGLES2:
case kGLImplementationEGLANGLE:
if (!InitializeDisplay(display,
EGLDisplayPlatform(EGL_DEFAULT_DISPLAY))) {
LOG(ERROR) << "GLDisplayEGL::Initialize failed.";
return nullptr;
}
break;
default:
break;
}
return display;
}
bool InitializeStaticGLBindings(GLImplementationParts implementation) {
// Prevent reinitialization with a different implementation. Once the gpu
// unit tests have initialized with kGLImplementationMock, we don't want to
// later switch to another GL implementation.
DCHECK_EQ(kGLImplementationNone, GetGLImplementation());
switch (implementation.gl) {
case kGLImplementationEGLANGLE:
SetGLImplementationParts(implementation);
if (!InitializeStaticANGLEEGL()) {
return false;
}
InitializeStaticGLBindingsGL();
InitializeStaticGLBindingsEGL();
return true;
case kGLImplementationMockGL:
case kGLImplementationStubGL:
SetGLImplementationParts(implementation);
InitializeStaticGLBindingsGL();
return true;
default:
NOTREACHED();
}
}
void ShutdownGLPlatform(GLDisplay* display) {
if (display) {
display->Shutdown();
}
ClearBindingsEGL();
ClearBindingsGL();
}
} // namespace init
} // namespace gl
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