Add Framebuffer::flush()

2 files changed, 12 insertions, 0 deletions

diff --git a/kms++/inc/kms++/framebuffer.h b/kms++/inc/kms++/framebuffer.h
index cbf705d..faf2e71 100644
--- a/kms++/inc/kms++/framebuffer.h
+++ b/kms++/inc/kms++/framebuffer.h
@@ -13,6 +13,8 @@ public:
 
 	uint32_t width() const { return m_width; }
 	uint32_t height() const { return m_height; }
+
+	void flush();
 protected:
 	Framebuffer(Card& card, uint32_t width, uint32_t height);
 
diff --git a/kms++/src/framebuffer.cpp b/kms++/src/framebuffer.cpp
index a7f589c..1ce8f2a 100644
--- a/kms++/src/framebuffer.cpp
+++ b/kms++/src/framebuffer.cpp
@@ -31,6 +31,16 @@ Framebuffer::Framebuffer(Card& card, uint32_t id)
 	card.m_framebuffers.push_back(this);
 }
 
+void Framebuffer::flush()
+{
+	drmModeClip clip { };
+	clip.x1 = clip.y1 = 0;
+	clip.x2 = width();
+	clip.y2 = height();
+
+	drmModeDirtyFB(card().fd(), id(), &clip, 1);
+}
+
 Framebuffer::~Framebuffer()
 {
 	auto& fbs = card().m_framebuffers;