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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-09-05 23:24:29 +0300
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-09-07 19:18:47 +0300
commit71dad75373ff9348181517909557b6b1dea9058e (patch)
tree53c4166cb37353f69c46330fa7537204611c2a30 /src/ipa/raspberrypi/cam_helper.cpp
parent843048499fe1f1f8cea74838c1e3436945c1b1b7 (diff)
cam: drm: Set per-plane offsets when creating DRM frame buffer
Now that libcamera supports per-plane offsets, pass the values to drmModeAddFB2(). The KMS sink in cam is now capable of rendering multi-planar formats. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Diffstat (limited to 'src/ipa/raspberrypi/cam_helper.cpp')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-25 07:00:43 +0000
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
/*
 * Copyright (C) 2019, Google Inc.
 *
 * bound_method.h - Method bind and invocation
 */
#ifndef __LIBCAMERA_BOUND_METHOD_H__
#define __LIBCAMERA_BOUND_METHOD_H__

#include <memory>
#include <tuple>
#include <type_traits>
#include <utility>

namespace libcamera {

class Object;

enum ConnectionType {
	ConnectionTypeAuto,
	ConnectionTypeDirect,
	ConnectionTypeQueued,
	ConnectionTypeBlocking,
};

class BoundMethodPackBase
{
public:
	virtual ~BoundMethodPackBase() {}
};

template<typename R, typename... Args>
class BoundMethodPack : public BoundMethodPackBase
{
public:
	BoundMethodPack(const Args &... args)
		: args_(args...)
	{
	}

	std::tuple<typename std::remove_reference_t<Args>...> args_;
	R ret_;
};

template<typename... Args>
class BoundMethodPack<void, Args...> : public BoundMethodPackBase
{
public:
	BoundMethodPack(const Args &... args)
		: args_(args...)
	{
	}

	std::tuple<typename std::remove_reference_t<Args>...> args_;
};

class BoundMethodBase
{
public:
	BoundMethodBase(void *obj, Object *object, ConnectionType type)
		: obj_(obj), object_(object), connectionType_(type)
	{
	}
	virtual ~BoundMethodBase() {}

	template<typename T, typename std::enable_if_t<!std::is_same<Object, T>::value> * = nullptr>
	bool match(T *obj) { return obj == obj_; }
	bool match(Object *object) { return object == object_; }

	Object *object() const { return object_; }

	virtual void invokePack(BoundMethodPackBase *pack) = 0;

protected:
	bool activatePack(std::shared_ptr<BoundMethodPackBase> pack,
			  bool deleteMethod);

	void *obj_;
	Object *object_;

private:
	ConnectionType connectionType_;
};

template<typename R, typename... Args>
class BoundMethodArgs : public BoundMethodBase
{
public:
	using PackType = BoundMethodPack<R, Args...>;

private:
	template<std::size_t... I>
	void invokePack(BoundMethodPackBase *pack, std::index_sequence<I...>)
	{
		PackType *args = static_cast<PackType *>(pack);
		args->ret_ = invoke(std::get<I>(args->args_)...);
	}

public:
	BoundMethodArgs(void *obj, Object *object, ConnectionType type)
		: BoundMethodBase(obj, object, type) {}

	void invokePack(BoundMethodPackBase *pack) override
	{
		invokePack(pack, std::make_index_sequence<sizeof...(Args)>{});
	}

	virtual R activate(Args... args, bool deleteMethod = false) = 0;
	virtual R invoke(Args... args) = 0;
};

template<typename... Args>
class BoundMethodArgs<void, Args...> : public BoundMethodBase
{
public:
	using PackType = BoundMethodPack<void, Args...>;

private:
	template<std::size_t... I>
	void invokePack(BoundMethodPackBase *pack, std::index_sequence<I...>)
	{
		/* args is effectively unused when the sequence I is empty. */
		PackType *args [[gnu::unused]] = static_cast<PackType *>(pack);
		invoke(std::get<I>(args->args_)...);
	}

public:
	BoundMethodArgs(void *obj, Object *object, ConnectionType type)
		: BoundMethodBase(obj, object, type) {}

	void invokePack(BoundMethodPackBase *pack) override
	{
		invokePack(pack, std::make_index_sequence<sizeof...(Args)>{});
	}

	virtual void activate(Args... args, bool deleteMethod = false) = 0;
	virtual void invoke(Args... args) = 0;
};