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// Copyright 2016 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 "ui/ozone/platform/wayland/gpu/gl_surface_wayland.h"
#include <wayland-egl.h>
#include <memory>
#include <utility>
#include "third_party/khronos/EGL/egl.h"
#include "ui/ozone/common/egl_util.h"
#include "ui/ozone/platform/wayland/host/wayland_window.h"
namespace ui {
void EGLWindowDeleter::operator()(wl_egl_window* egl_window) {
wl_egl_window_destroy(egl_window);
}
std::unique_ptr<wl_egl_window, EGLWindowDeleter> CreateWaylandEglWindow(
WaylandWindow* window) {
gfx::Size size = window->GetBounds().size();
return std::unique_ptr<wl_egl_window, EGLWindowDeleter>(
wl_egl_window_create(window->surface(), size.width(), size.height()));
}
GLSurfaceWayland::GLSurfaceWayland(WaylandEglWindowPtr egl_window)
: NativeViewGLSurfaceEGL(
reinterpret_cast<EGLNativeWindowType>(egl_window.get()),
nullptr),
egl_window_(std::move(egl_window)) {
DCHECK(egl_window_);
}
bool GLSurfaceWayland::Resize(const gfx::Size& size,
float scale_factor,
ColorSpace color_space,
bool has_alpha) {
if (size_ == size)
return true;
wl_egl_window_resize(egl_window_.get(), size.width(), size.height(), 0, 0);
size_ = size;
return true;
}
EGLConfig GLSurfaceWayland::GetConfig() {
if (!config_) {
GLint config_attribs[] = {EGL_BUFFER_SIZE,
32,
EGL_ALPHA_SIZE,
8,
EGL_BLUE_SIZE,
8,
EGL_GREEN_SIZE,
8,
EGL_RED_SIZE,
8,
EGL_RENDERABLE_TYPE,
EGL_OPENGL_ES2_BIT,
EGL_SURFACE_TYPE,
EGL_WINDOW_BIT,
EGL_NONE};
config_ = ChooseEGLConfig(GetDisplay(), config_attribs);
}
return config_;
}
GLSurfaceWayland::~GLSurfaceWayland() {
Destroy();
}
} // namespace ui
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