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/*
* Copyright (C) 2025 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 INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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 "NonCompositedFrameRenderer.h"
#if USE(COORDINATED_GRAPHICS)
namespace WebKit {
using namespace WebCore;
WTF_MAKE_TZONE_ALLOCATED_IMPL(NonCompositedFrameRenderer);
std::unique_ptr<NonCompositedFrameRenderer> NonCompositedFrameRenderer::create(WebPage& webPage)
{
auto instance = makeUnique<NonCompositedFrameRenderer>(webPage);
return instance->initialize() ? WTFMove(instance) : nullptr;
}
NonCompositedFrameRenderer::NonCompositedFrameRenderer(WebPage& webPage)
: m_webPage(webPage)
, m_surface(AcceleratedSurface::create(m_webPage, [this] {
m_canRenderNextFrame = true;
if (m_shouldRenderFollowupFrame) {
m_shouldRenderFollowupFrame = false;
display();
}
}))
{
}
bool NonCompositedFrameRenderer::initialize()
{
static_assert(sizeof(GLNativeWindowType) <= sizeof(uint64_t), "GLNativeWindowType must not be longer than 64 bits.");
m_context = GLContext::create(PlatformDisplay::sharedDisplay(), m_surface->window());
if (!m_context || !m_context->makeContextCurrent())
return false;
m_surface->didCreateCompositingRunLoop(RunLoop::mainSingleton());
LayerTreeContext layerTreeContext;
layerTreeContext.contextID = m_surface->surfaceID();
m_webPage.get().send(Messages::DrawingAreaProxy::EnterAcceleratedCompositingMode(0, layerTreeContext), m_webPage.get().drawingArea()->identifier().toUInt64(), { });
return true;
}
NonCompositedFrameRenderer::~NonCompositedFrameRenderer()
{
m_surface->willDestroyGLContext();
m_surface->willDestroyCompositingRunLoop();
}
void NonCompositedFrameRenderer::display()
{
if (!m_canRenderNextFrame) {
m_shouldRenderFollowupFrame = true;
return;
}
Ref webPage = m_webPage.get();
webPage->updateRendering();
webPage->finalizeRenderingUpdate({ });
webPage->flushPendingEditorStateUpdate();
m_surface->willRenderFrame(webPage->size());
auto* graphicsContext = m_surface->graphicsContext();
if (!graphicsContext || !m_context->makeContextCurrent())
return;
// FIXME: Use render target damage not to re-paint whole rect.
webPage->drawRect(*graphicsContext, webPage->bounds());
m_canRenderNextFrame = false;
m_surface->didRenderFrame();
webPage->didUpdateRendering();
}
} // namespace WebKit
#endif // USE(COORDINATED_GRAPHICS)
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