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/*
* Copyright (C) 2021-2023 Apple Inc. All rights reserved.
*
* 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 "RemoteTextureProxy.h"
#if ENABLE(GPU_PROCESS)
#include "RemoteTextureMessages.h"
#include "RemoteTextureViewProxy.h"
#include "WebGPUConvertToBackingContext.h"
#include "WebGPUTextureViewDescriptor.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebKit::WebGPU {
WTF_MAKE_TZONE_ALLOCATED_IMPL(RemoteTextureProxy);
RemoteTextureProxy::RemoteTextureProxy(Ref<RemoteGPUProxy>&& root, ConvertToBackingContext& convertToBackingContext, WebGPUIdentifier identifier, bool isCanvasBacking)
: m_backing(identifier)
, m_convertToBackingContext(convertToBackingContext)
, m_root(WTFMove(root))
, m_isCanvasBacking(isCanvasBacking)
{
}
RemoteTextureProxy::~RemoteTextureProxy()
{
auto sendResult = send(Messages::RemoteTexture::Destruct());
UNUSED_VARIABLE(sendResult);
}
static bool equalDescriptors(const std::optional<WebCore::WebGPU::TextureViewDescriptor>& a, const std::optional<WebCore::WebGPU::TextureViewDescriptor>& b)
{
if (!a && !b)
return true;
if (!a || !b)
return false;
return a->format == b->format
&& a->dimension == b->dimension
&& a->aspect == b->aspect
&& a->baseMipLevel == b->baseMipLevel
&& a->mipLevelCount == b->mipLevelCount
&& a->baseArrayLayer == b->baseArrayLayer
&& a->arrayLayerCount == b->arrayLayerCount;
}
RefPtr<WebCore::WebGPU::TextureView> RemoteTextureProxy::createView(const std::optional<WebCore::WebGPU::TextureViewDescriptor>& descriptor)
{
if (m_isCanvasBacking && m_lastCreatedView && equalDescriptors(descriptor, m_lastCreatedViewDescriptor))
return m_lastCreatedView;
std::optional<TextureViewDescriptor> convertedDescriptor;
Ref convertToBackingContext = m_convertToBackingContext;
if (descriptor) {
convertedDescriptor = convertToBackingContext->convertToBacking(*descriptor);
if (!convertedDescriptor)
return nullptr;
}
auto identifier = WebGPUIdentifier::generate();
auto sendResult = send(Messages::RemoteTexture::CreateView(*convertedDescriptor, identifier));
if (sendResult != IPC::Error::NoError)
return nullptr;
auto result = RemoteTextureViewProxy::create(*this, convertToBackingContext, identifier);
result->setLabel(WTFMove(convertedDescriptor->label));
if (!m_isCanvasBacking)
return result;
m_lastCreatedView = WTFMove(result);
m_lastCreatedViewDescriptor = descriptor;
return m_lastCreatedView;
}
void RemoteTextureProxy::destroy()
{
auto sendResult = send(Messages::RemoteTexture::Destroy());
UNUSED_VARIABLE(sendResult);
}
void RemoteTextureProxy::undestroy()
{
auto sendResult = send(Messages::RemoteTexture::Undestroy());
UNUSED_VARIABLE(sendResult);
}
void RemoteTextureProxy::setLabelInternal(const String& label)
{
auto sendResult = send(Messages::RemoteTexture::SetLabel(label));
UNUSED_VARIABLE(sendResult);
}
} // namespace WebKit::WebGPU
#endif // ENABLE(GPU_PROCESS)
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