1 files changed, 36 insertions, 0 deletions
diff --git a/libkms++util/cpuframebuffer.cpp b/libkms++util/cpuframebuffer.cpp
new file mode 100644
index 0000000..1f14ddc
--- /dev/null
+++ b/libkms++util/cpuframebuffer.cpp
@@ -0,0 +1,36 @@
+#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;
+	}
+}
+
+}