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/*
* Copyright (C) 2023 Igalia S.L.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "AcceleratedBackingStoreDMABuf.h"
#if ENABLE(WPE_PLATFORM)
#include "AcceleratedBackingStoreDMABufMessages.h"
#include "AcceleratedSurfaceDMABufMessages.h"
#include "WebPageProxy.h"
#include "WebProcessProxy.h"
#include <WebCore/ShareableBitmap.h>
#include <wpe/wpe-platform.h>
#include <wtf/TZoneMallocInlines.h>
#include <wtf/glib/GUniquePtr.h>
#if USE(LIBDRM)
#include <drm_fourcc.h>
#endif
namespace WebKit {
WTF_MAKE_TZONE_ALLOCATED_IMPL(AcceleratedBackingStoreDMABuf);
Ref<AcceleratedBackingStoreDMABuf> AcceleratedBackingStoreDMABuf::create(WebPageProxy& webPage, WPEView* view)
{
return adoptRef(*new AcceleratedBackingStoreDMABuf(webPage, view));
}
AcceleratedBackingStoreDMABuf::AcceleratedBackingStoreDMABuf(WebPageProxy& webPage, WPEView* view)
: m_webPage(webPage)
, m_wpeView(view)
, m_fenceMonitor([this] { renderPendingBuffer(); })
, m_legacyMainFrameProcess(webPage.legacyMainFrameProcess())
{
g_signal_connect(m_wpeView.get(), "buffer-rendered", G_CALLBACK(+[](WPEView*, WPEBuffer*, gpointer userData) {
auto& backingStore = *static_cast<AcceleratedBackingStoreDMABuf*>(userData);
backingStore.bufferRendered();
}), this);
g_signal_connect(m_wpeView.get(), "buffer-released", G_CALLBACK(+[](WPEView*, WPEBuffer* buffer, gpointer userData) {
auto& backingStore = *static_cast<AcceleratedBackingStoreDMABuf*>(userData);
backingStore.bufferReleased(buffer);
}), this);
}
AcceleratedBackingStoreDMABuf::~AcceleratedBackingStoreDMABuf()
{
g_signal_handlers_disconnect_by_data(m_wpeView.get(), this);
}
void AcceleratedBackingStoreDMABuf::updateSurfaceID(uint64_t surfaceID)
{
if (m_surfaceID == surfaceID)
return;
if (m_surfaceID) {
if (m_pendingBuffer) {
frameDone();
m_pendingBuffer = nullptr;
m_pendingDamageRegion = { };
}
m_buffers.clear();
m_bufferIDs.clear();
if (RefPtr legacyMainFrameProcess = m_legacyMainFrameProcess.get())
legacyMainFrameProcess->removeMessageReceiver(Messages::AcceleratedBackingStoreDMABuf::messageReceiverName(), m_surfaceID);
}
m_surfaceID = surfaceID;
if (m_surfaceID && m_webPage) {
m_legacyMainFrameProcess = m_webPage->legacyMainFrameProcess();
Ref { *m_legacyMainFrameProcess }->addMessageReceiver(Messages::AcceleratedBackingStoreDMABuf::messageReceiverName(), m_surfaceID, *this);
}
}
void AcceleratedBackingStoreDMABuf::didCreateBuffer(uint64_t id, const WebCore::IntSize& size, uint32_t format, Vector<WTF::UnixFileDescriptor>&& fds, Vector<uint32_t>&& offsets, Vector<uint32_t>&& strides, uint64_t modifier, DMABufRendererBufferFormat::Usage usage)
{
Vector<int> fileDescriptors;
fileDescriptors.reserveInitialCapacity(fds.size());
for (auto& fd : fds)
fileDescriptors.append(fd.release());
GRefPtr<WPEBuffer> buffer = adoptGRef(WPE_BUFFER(wpe_buffer_dma_buf_new(m_wpeView.get(), size.width(), size.height(), format, fds.size(), fileDescriptors.data(), offsets.data(), strides.data(), modifier)));
g_object_set_data(G_OBJECT(buffer.get()), "wk-buffer-format-usage", GUINT_TO_POINTER(usage));
m_bufferIDs.add(buffer.get(), id);
m_buffers.add(id, WTFMove(buffer));
}
void AcceleratedBackingStoreDMABuf::didCreateBufferSHM(uint64_t id, WebCore::ShareableBitmap::Handle&& handle)
{
auto bitmap = WebCore::ShareableBitmap::create(WTFMove(handle), WebCore::SharedMemory::Protection::ReadOnly);
if (!bitmap)
return;
auto size = bitmap->size();
auto data = bitmap->span();
auto stride = bitmap->bytesPerRow();
GRefPtr<GBytes> bytes = adoptGRef(g_bytes_new_with_free_func(data.data(), data.size(), [](gpointer userData) {
delete static_cast<WebCore::ShareableBitmap*>(userData);
}, bitmap.leakRef()));
GRefPtr<WPEBuffer> buffer = adoptGRef(WPE_BUFFER(wpe_buffer_shm_new(m_wpeView.get(), size.width(), size.height(), WPE_PIXEL_FORMAT_ARGB8888, bytes.get(), stride)));
m_bufferIDs.add(buffer.get(), id);
m_buffers.add(id, WTFMove(buffer));
}
void AcceleratedBackingStoreDMABuf::didDestroyBuffer(uint64_t id)
{
if (auto buffer = m_buffers.take(id))
m_bufferIDs.remove(buffer.get());
}
void AcceleratedBackingStoreDMABuf::frame(uint64_t bufferID, WebCore::Region&& damageRegion, WTF::UnixFileDescriptor&& renderingFenceFD)
{
ASSERT(!m_pendingBuffer);
auto* buffer = m_buffers.get(bufferID);
if (!buffer) {
frameDone();
return;
}
m_pendingBuffer = buffer;
m_pendingDamageRegion = WTFMove(damageRegion);
if (wpe_display_use_explicit_sync(wpe_view_get_display(m_wpeView.get()))) {
if (WPE_IS_BUFFER_DMA_BUF(m_pendingBuffer.get()))
wpe_buffer_dma_buf_set_rendering_fence(WPE_BUFFER_DMA_BUF(m_pendingBuffer.get()), renderingFenceFD.release());
renderPendingBuffer();
} else
m_fenceMonitor.addFileDescriptor(WTFMove(renderingFenceFD));
}
void AcceleratedBackingStoreDMABuf::renderPendingBuffer()
{
// Rely on the layout of IntRect matching that of WPERectangle
// to pass directly a pointer below instead of using copies.
static_assert(sizeof(WebCore::IntRect) == sizeof(WPERectangle));
auto damageRects = m_pendingDamageRegion.rects();
ASSERT(damageRects.size() <= std::numeric_limits<guint>::max());
const auto* rects = !damageRects.isEmpty() ? reinterpret_cast<const WPERectangle*>(damageRects.data()) : nullptr;
GUniqueOutPtr<GError> error;
if (!wpe_view_render_buffer(m_wpeView.get(), m_pendingBuffer.get(), rects, damageRects.size(), &error.outPtr())) {
g_warning("Failed to render frame: %s", error->message);
frameDone();
m_pendingBuffer = nullptr;
}
m_pendingDamageRegion = { };
}
void AcceleratedBackingStoreDMABuf::frameDone()
{
if (RefPtr legacyMainFrameProcess = m_legacyMainFrameProcess.get())
legacyMainFrameProcess->send(Messages::AcceleratedSurfaceDMABuf::FrameDone(), m_surfaceID);
}
void AcceleratedBackingStoreDMABuf::bufferRendered()
{
frameDone();
m_committedBuffer = WTFMove(m_pendingBuffer);
}
void AcceleratedBackingStoreDMABuf::bufferReleased(WPEBuffer* buffer)
{
if (auto id = m_bufferIDs.get(buffer)) {
UnixFileDescriptor releaseFence;
if (WPE_IS_BUFFER_DMA_BUF(buffer))
releaseFence = UnixFileDescriptor { wpe_buffer_dma_buf_take_release_fence(WPE_BUFFER_DMA_BUF(buffer)), UnixFileDescriptor::Adopt };
if (RefPtr legacyMainFrameProcess = m_legacyMainFrameProcess.get())
legacyMainFrameProcess->send(Messages::AcceleratedSurfaceDMABuf::ReleaseBuffer(id, WTFMove(releaseFence)), m_surfaceID);
}
}
RendererBufferFormat AcceleratedBackingStoreDMABuf::bufferFormat() const
{
RendererBufferFormat format;
auto* buffer = m_committedBuffer ? m_committedBuffer.get() : m_pendingBuffer.get();
if (!buffer)
return format;
if (WPE_IS_BUFFER_DMA_BUF(buffer)) {
auto* dmabuf = WPE_BUFFER_DMA_BUF(buffer);
format.type = RendererBufferFormat::Type::DMABuf;
format.fourcc = wpe_buffer_dma_buf_get_format(dmabuf);
format.modifier = wpe_buffer_dma_buf_get_modifier(dmabuf);
format.usage = static_cast<DMABufRendererBufferFormat::Usage>(GPOINTER_TO_UINT(g_object_get_data(G_OBJECT(buffer), "wk-buffer-format-usage")));
} else if (WPE_IS_BUFFER_SHM(buffer)) {
format.type = RendererBufferFormat::Type::SharedMemory;
switch (wpe_buffer_shm_get_format(WPE_BUFFER_SHM(buffer))) {
case WPE_PIXEL_FORMAT_ARGB8888:
#if USE(LIBDRM)
format.fourcc = DRM_FORMAT_ARGB8888;
#endif
break;
}
format.usage = DMABufRendererBufferFormat::Usage::Rendering;
}
return format;
}
} // namespace WebKit
#endif // ENABLE(WPE_PLATFORM)
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