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path: root/kms++/inc/kms++/extframebuffer.h
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#pragma once

#include "framebuffer.h"
#include "pixelformats.h"

namespace kms
{

class ExtFramebuffer : public Framebuffer
{
public:
	ExtFramebuffer(Card& card, uint32_t width, uint32_t height, PixelFormat format,
		       std::vector<uint32_t> handles, std::vector<uint32_t> pitches, std::vector<uint32_t> offsets);
	ExtFramebuffer(Card& card, uint32_t width, uint32_t height, PixelFormat format,
		       std::vector<int> fds, std::vector<uint32_t> pitches, std::vector<uint32_t> offsets);
	virtual ~ExtFramebuffer();

	uint32_t width() const { return Framebuffer::width(); }
	uint32_t height() const { return Framebuffer::height(); }

	PixelFormat format() const { return m_format; }
	unsigned num_planes() const { return m_num_planes; }

	uint32_t handle(unsigned plane) const { return m_planes[plane].handle; }
	uint32_t stride(unsigned plane) const { return m_planes[plane].stride; }
	uint32_t size(unsigned plane) const { return m_planes[plane].size; }
	uint32_t offset(unsigned plane) const { return m_planes[plane].offset; }
	uint8_t* map(unsigned plane);
	int prime_fd(unsigned plane);

private:
	struct FramebufferPlane {
		uint32_t handle;
		int prime_fd;
		uint32_t size;
		uint32_t stride;
		uint32_t offset;
		uint8_t *map;
	};

	unsigned m_num_planes;
	struct FramebufferPlane m_planes[4];

	PixelFormat m_format;
};

}