kms++util/cpuframebuffer.cpp


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#include <map>

#include "cpuframebuffer.h"

using namespace std;

namespace kms {

CPUFramebuffer::CPUFramebuffer(uint32_t width, uint32_t height, PixelFormat format)
	: m_width(width), m_height(height), m_format(format)
{
	const PixelFormatInfo& format_info = get_pixel_format_info(m_format);

	m_num_planes = format_info.num_planes;

	for (unsigned i = 0; i < format_info.num_planes; ++i) {
		const PixelFormatPlaneInfo& pi = format_info.planes[i];
		FramebufferPlane& plane = m_planes[i];

		plane.stride = width * pi.bitspp / 8;
		plane.size = plane.stride * height/ pi.ysub;
		plane.offset = 0;
		plane.map = new uint8_t[plane.size];
	}
}

CPUFramebuffer::~CPUFramebuffer()
{
	for (unsigned i = 0; i < m_num_planes; ++i) {
		FramebufferPlane& plane = m_planes[i];

		delete plane.map;
	}
}

}