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// Copyright 2017 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/gfx/linux/native_pixmap_dmabuf.h"
#include <utility>
#include "base/posix/eintr_wrapper.h"
namespace gfx {
NativePixmapDmaBuf::NativePixmapDmaBuf(const gfx::Size& size,
gfx::BufferFormat format,
gfx::NativePixmapHandle handle)
: size_(size), format_(format), handle_(std::move(handle)) {}
NativePixmapDmaBuf::~NativePixmapDmaBuf() {}
bool NativePixmapDmaBuf::AreDmaBufFdsValid() const {
if (handle_.planes.empty())
return false;
for (const auto& plane : handle_.planes) {
if (!plane.fd.is_valid())
return false;
}
return true;
}
int NativePixmapDmaBuf::GetDmaBufFd(size_t plane) const {
DCHECK_LT(plane, handle_.planes.size());
return handle_.planes[plane].fd.get();
}
uint32_t NativePixmapDmaBuf::GetDmaBufPitch(size_t plane) const {
DCHECK_LT(plane, handle_.planes.size());
return base::checked_cast<uint32_t>(handle_.planes[plane].stride);
}
size_t NativePixmapDmaBuf::GetDmaBufOffset(size_t plane) const {
DCHECK_LT(plane, handle_.planes.size());
return base::checked_cast<size_t>(handle_.planes[plane].offset);
}
size_t NativePixmapDmaBuf::GetDmaBufPlaneSize(size_t plane) const {
DCHECK_LT(plane, handle_.planes.size());
return base::checked_cast<size_t>(handle_.planes[plane].size);
}
uint64_t NativePixmapDmaBuf::GetBufferFormatModifier() const {
return handle_.modifier;
}
gfx::BufferFormat NativePixmapDmaBuf::GetBufferFormat() const {
return format_;
}
size_t NativePixmapDmaBuf::GetNumberOfPlanes() const {
return handle_.planes.size();
}
bool NativePixmapDmaBuf::SupportsZeroCopyWebGPUImport() const {
// TODO(crbug.com/40201271): Figure out how to import multi-planar pixmap into
// WebGPU without copy.
return false;
}
gfx::Size NativePixmapDmaBuf::GetBufferSize() const {
return size_;
}
uint32_t NativePixmapDmaBuf::GetUniqueId() const {
return 0;
}
bool NativePixmapDmaBuf::ScheduleOverlayPlane(
gfx::AcceleratedWidget widget,
const gfx::OverlayPlaneData& overlay_plane_data,
std::vector<gfx::GpuFence> acquire_fences,
std::vector<gfx::GpuFence> release_fences) {
return false;
}
gfx::NativePixmapHandle NativePixmapDmaBuf::ExportHandle() const {
return gfx::CloneHandleForIPC(handle_);
}
} // namespace gfx
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