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// Copyright 2016 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/ozone/platform/wayland/gpu/gl_surface_wayland.h"
#include <wayland-egl.h>
#include <memory>
#include <utility>
#include "base/functional/bind.h"
#include "third_party/khronos/EGL/egl.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/presentation_feedback.h"
#include "ui/gl/gl_surface_presentation_helper.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->applied_state().size_px;
return std::unique_ptr<wl_egl_window, EGLWindowDeleter>(wl_egl_window_create(
window->root_surface()->surface(), size.width(), size.height()));
}
GLSurfaceWayland::GLSurfaceWayland(gl::GLDisplayEGL* display,
WaylandEglWindowPtr egl_window,
WaylandWindow* window)
: NativeViewGLSurfaceEGL(
display,
reinterpret_cast<EGLNativeWindowType>(egl_window.get()),
nullptr),
egl_window_(std::move(egl_window)),
window_(window) {
DCHECK(egl_window_);
DCHECK(window_);
window_->root_surface()->ForceImmediateStateApplication();
}
bool GLSurfaceWayland::Resize(const gfx::Size& size,
float scale_factor,
const gfx::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;
scale_factor_ = ceil(scale_factor);
return true;
}
EGLConfig GLSurfaceWayland::GetConfig() {
if (!config_) {
EGLint 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(GetEGLDisplay(), config_attribs);
}
return config_;
}
// TODO(crbug.com/368634141): Revisit and double-check the direct root surface
// state setter calls in the functions below, where a cached and ceiled scale
// factor is used. Ideally surface information should be set using the standard
// WaylandFrameManager::ApplySurfaceConfigure flow, i.e: whose entry point is
// WaylandBufferManager::CommitOverlays. Which is done in GbmSurfacelessWayland,
// for example.
gfx::SwapResult GLSurfaceWayland::SwapBuffers(PresentationCallback callback,
gfx::FrameData data) {
OnSequencePoint(data.seq);
if (!window_->IsSurfaceConfigured()) {
// The presentation |callback| must be called after gfx::SwapResult is sent.
// Thus, use a scoped swap buffers object that will send the feedback later.
gl::GLSurfacePresentationHelper::ScopedSwapBuffers scoped_swap_buffers(
presentation_helper(), std::move(callback));
scoped_swap_buffers.set_result(gfx::SwapResult::SWAP_NAK_RECREATE_BUFFERS);
return scoped_swap_buffers.result();
}
window_->root_surface()->set_surface_buffer_scale(scale_factor_);
return gl::NativeViewGLSurfaceEGL::SwapBuffers(std::move(callback), data);
}
gfx::SwapResult GLSurfaceWayland::PostSubBuffer(int x,
int y,
int width,
int height,
PresentationCallback callback,
gfx::FrameData data) {
OnSequencePoint(data.seq);
if (!window_->IsSurfaceConfigured()) {
// The presentation |callback| must be called after gfx::SwapResult is sent.
// Thus, use a scoped swap buffers object that will send the feedback later.
gl::GLSurfacePresentationHelper::ScopedSwapBuffers scoped_swap_buffers(
presentation_helper(), std::move(callback));
scoped_swap_buffers.set_result(gfx::SwapResult::SWAP_NAK_RECREATE_BUFFERS);
return scoped_swap_buffers.result();
}
window_->root_surface()->set_surface_buffer_scale(scale_factor_);
return gl::NativeViewGLSurfaceEGL::PostSubBuffer(x, y, width, height,
std::move(callback), data);
}
GLSurfaceWayland::~GLSurfaceWayland() {
InvalidateWeakPtrs();
Destroy();
}
void GLSurfaceWayland::OnSequencePoint(int64_t seq) {
window_->ui_task_runner()->PostTask(
FROM_HERE, base::BindOnce(&WaylandWindow::OnSequencePoint,
window_->AsWeakPtr(), seq));
}
} // namespace ui
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