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#pragma once
#include "drmobject.h"
#include "pixelformats.h"
namespace kms
{
enum class CpuAccess
{
Read,
Write,
ReadWrite,
};
class IFramebuffer {
public:
virtual ~IFramebuffer() { }
virtual uint32_t width() const = 0;
virtual uint32_t height() const = 0;
virtual PixelFormat format() const { throw std::runtime_error("not implemented"); }
virtual unsigned num_planes() const { throw std::runtime_error("not implemented"); }
virtual uint32_t stride(unsigned plane) const { throw std::runtime_error("not implemented"); }
virtual uint32_t size(unsigned plane) const { throw std::runtime_error("not implemented"); }
virtual uint32_t offset(unsigned plane) const { throw std::runtime_error("not implemented"); }
virtual uint8_t* map(unsigned plane) { throw std::runtime_error("not implemented"); }
virtual int prime_fd(unsigned plane) { throw std::runtime_error("not implemented"); }
virtual void begin_cpu_access(CpuAccess access) { }
virtual void end_cpu_access() { }
};
class Framebuffer : public DrmObject, public IFramebuffer
{
public:
Framebuffer(Card& card, uint32_t id);
~Framebuffer() override;
uint32_t width() const override { return m_width; }
uint32_t height() const override { return m_height; }
void flush();
protected:
Framebuffer(Card& card, uint32_t width, uint32_t height);
private:
uint32_t m_width;
uint32_t m_height;
};
}
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