libkmstest/cpuframebuffer.cpp

   1 #include <map>
   2
   3 #include "cpuframebuffer.h"
   4
   5 using namespace std;
   6
   7 namespace kms {
   8
   9 CPUFramebuffer::CPUFramebuffer(uint32_t width, uint32_t height, PixelFormat format)
  10         : m_width(width), m_height(height), m_format(format)
  11 {
  12         const PixelFormatInfo& format_info = get_pixel_format_info(m_format);
  13
  14         m_num_planes = format_info.num_planes;
  15
  16         for (unsigned i = 0; i < format_info.num_planes; ++i) {
  17                 const PixelFormatPlaneInfo& pi = format_info.planes[i];
  18                 FramebufferPlane& plane = m_planes[i];
  19
  20                 plane.stride = width * pi.bitspp / 8;
  21                 plane.size = plane.stride * height/ pi.ysub;
  22                 plane.offset = 0;
  23                 plane.map = new uint8_t[plane.size];
  24         }
  25 }
  26
  27 CPUFramebuffer::~CPUFramebuffer()
  28 {
  29         for (unsigned i = 0; i < m_num_planes; ++i) {
  30                 FramebufferPlane& plane = m_planes[i];
  31
  32                 delete plane.map;
  33         }
  34 }
  35
  36 }