From 2984c032ccef081c350f306c96e3c923126657c8 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@iki.fi>
Date: Fri, 2 Oct 2015 21:27:55 +0300
Subject: Add ExtFramebuffer

Add ExtFramebuffer for cases where the buffer have been allocated
externally.
---
 libkms++/extframebuffer.cpp | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 libkms++/extframebuffer.cpp

(limited to 'libkms++/extframebuffer.cpp')

diff --git a/libkms++/extframebuffer.cpp b/libkms++/extframebuffer.cpp
new file mode 100644
index 0000000..de9d737
--- /dev/null
+++ b/libkms++/extframebuffer.cpp
@@ -0,0 +1,35 @@
+
+#include <cstring>
+#include <stdexcept>
+#include <sys/mman.h>
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+
+#include "kms++.h"
+
+using namespace std;
+
+namespace kms
+{
+
+ExtFramebuffer::ExtFramebuffer(Card& card, uint32_t width, uint32_t height, uint32_t depth, uint32_t bpp, uint32_t stride, uint32_t handle)
+	:Framebuffer(card, width, height)
+{
+	uint32_t id;
+	int r = drmModeAddFB(card.fd(), width, height, depth, bpp, stride, handle, &id);
+	if (r)
+		throw invalid_argument("fob");
+	m_id = id;
+}
+
+ExtFramebuffer::~ExtFramebuffer()
+{
+	drmModeRmFB(card().fd(), id());
+}
+
+void ExtFramebuffer::print_short() const
+{
+	printf("Framebuffer %d\n", id());
+}
+
+}
-- 
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