mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-29 11:00:29 +00:00
128 lines
3.3 KiB
C++
128 lines
3.3 KiB
C++
/*
|
|
* Copyright (c) 2024, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/OwnPtr.h>
|
|
#include <LibCore/IOSurface.h>
|
|
|
|
#if !defined(AK_OS_MACOS)
|
|
static_assert(false, "This file must only be used for macOS");
|
|
#endif
|
|
|
|
#import <IOSurface/IOSurface.h>
|
|
|
|
namespace Core {
|
|
|
|
template<typename T>
|
|
class RefAutoRelease {
|
|
AK_MAKE_NONCOPYABLE(RefAutoRelease);
|
|
|
|
public:
|
|
RefAutoRelease(T ref)
|
|
: m_ref(ref)
|
|
{
|
|
}
|
|
|
|
~RefAutoRelease()
|
|
{
|
|
if (m_ref)
|
|
CFRelease(m_ref);
|
|
m_ref = nullptr;
|
|
}
|
|
|
|
T ref() const { return m_ref; }
|
|
|
|
private:
|
|
T m_ref { nullptr };
|
|
};
|
|
|
|
struct IOSurfaceHandle::IOSurfaceRefWrapper {
|
|
IOSurfaceRef ref;
|
|
};
|
|
|
|
IOSurfaceHandle::IOSurfaceHandle(OwnPtr<IOSurfaceRefWrapper>&& ref_wrapper)
|
|
: m_ref_wrapper(move(ref_wrapper))
|
|
{
|
|
}
|
|
|
|
IOSurfaceHandle::IOSurfaceHandle(IOSurfaceHandle&& other) = default;
|
|
IOSurfaceHandle& IOSurfaceHandle::operator=(IOSurfaceHandle&& other) = default;
|
|
|
|
IOSurfaceHandle::~IOSurfaceHandle()
|
|
{
|
|
if (m_ref_wrapper)
|
|
CFRelease(m_ref_wrapper->ref);
|
|
}
|
|
|
|
IOSurfaceHandle IOSurfaceHandle::create(int width, int height)
|
|
{
|
|
size_t bytes_per_element = 4;
|
|
uint32_t pixel_format = 'BGRA';
|
|
|
|
RefAutoRelease<CFNumberRef> width_number = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &width);
|
|
RefAutoRelease<CFNumberRef> height_number = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &height);
|
|
RefAutoRelease<CFNumberRef> bytes_per_element_number = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &bytes_per_element);
|
|
RefAutoRelease<CFNumberRef> pixel_format_number = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &pixel_format);
|
|
|
|
CFMutableDictionaryRef props = CFDictionaryCreateMutable(kCFAllocatorDefault,
|
|
0,
|
|
&kCFTypeDictionaryKeyCallBacks,
|
|
&kCFTypeDictionaryValueCallBacks);
|
|
|
|
CFDictionarySetValue(props, kIOSurfaceWidth, width_number.ref());
|
|
CFDictionarySetValue(props, kIOSurfaceHeight, height_number.ref());
|
|
CFDictionarySetValue(props, kIOSurfaceBytesPerElement, bytes_per_element_number.ref());
|
|
CFDictionarySetValue(props, kIOSurfacePixelFormat, pixel_format_number.ref());
|
|
|
|
auto* ref = IOSurfaceCreate(props);
|
|
VERIFY(ref);
|
|
return IOSurfaceHandle(make<IOSurfaceRefWrapper>(ref));
|
|
}
|
|
|
|
MachPort IOSurfaceHandle::create_mach_port() const
|
|
{
|
|
auto port = IOSurfaceCreateMachPort(m_ref_wrapper->ref);
|
|
return MachPort::adopt_right(port, MachPort::PortRight::Send);
|
|
}
|
|
|
|
IOSurfaceHandle IOSurfaceHandle::from_mach_port(MachPort const& port)
|
|
{
|
|
// NOTE: This call does not destroy the port
|
|
auto* ref = IOSurfaceLookupFromMachPort(port.port());
|
|
VERIFY(ref);
|
|
return IOSurfaceHandle(make<IOSurfaceRefWrapper>(ref));
|
|
}
|
|
|
|
size_t IOSurfaceHandle::width() const
|
|
{
|
|
return IOSurfaceGetWidth(m_ref_wrapper->ref);
|
|
}
|
|
|
|
size_t IOSurfaceHandle::height() const
|
|
{
|
|
return IOSurfaceGetHeight(m_ref_wrapper->ref);
|
|
}
|
|
|
|
size_t IOSurfaceHandle::bytes_per_element() const
|
|
{
|
|
return IOSurfaceGetBytesPerElement(m_ref_wrapper->ref);
|
|
}
|
|
|
|
size_t IOSurfaceHandle::bytes_per_row() const
|
|
{
|
|
return IOSurfaceGetBytesPerRow(m_ref_wrapper->ref);
|
|
}
|
|
|
|
void* IOSurfaceHandle::data() const
|
|
{
|
|
return IOSurfaceGetBaseAddress(m_ref_wrapper->ref);
|
|
}
|
|
|
|
void* IOSurfaceHandle::core_foundation_pointer() const
|
|
{
|
|
return m_ref_wrapper->ref;
|
|
}
|
|
|
|
}
|