1 files changed, 36 insertions, 0 deletions

diff --git a/kms++util/src/cpuframebuffer.cpp b/kms++util/src/cpuframebuffer.cpp
new file mode 100644
index 0000000..d356596
--- /dev/null
+++ b/kms++util/src/cpuframebuffer.cpp
@@ -0,0 +1,36 @@
+#include <map>
+
+#include <kms++util/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;
+        }
+}
+
+}