From 43e03aacfa211eb56037b68da66e79b162491c1b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
Date: Mon, 19 Jul 2021 18:13:09 +0200
Subject: framebuffer: Support partial flushing
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
---
kms++/inc/kms++/framebuffer.h | 1 +
kms++/src/framebuffer.cpp | 11 +++++++++++
2 files changed, 12 insertions(+)
diff --git a/kms++/inc/kms++/framebuffer.h b/kms++/inc/kms++/framebuffer.h
index 6f77b98..1bd477c 100644
--- a/kms++/inc/kms++/framebuffer.h
+++ b/kms++/inc/kms++/framebuffer.h
@@ -41,6 +41,7 @@ public:
uint32_t width() const override { return m_width; }
uint32_t height() const override { return m_height; }
+ void flush(uint32_t x, uint32_t y, uint32_t width, uint32_t height);
void flush();
protected:
diff --git a/kms++/src/framebuffer.cpp b/kms++/src/framebuffer.cpp
index f1cba3b..72e1a73 100644
--- a/kms++/src/framebuffer.cpp
+++ b/kms++/src/framebuffer.cpp
@@ -34,6 +34,17 @@ Framebuffer::Framebuffer(Card& card, uint32_t id)
card.m_framebuffers.push_back(this);
}
+void Framebuffer::flush(uint32_t x, uint32_t y, uint32_t width, uint32_t height)
+{
+ drmModeClip clip{};
+ clip.x1 = x;
+ clip.y1 = y;
+ clip.x2 = x + width;
+ clip.y2 = y + height;
+
+ drmModeDirtyFB(card().fd(), id(), &clip, 1);
+}
+
void Framebuffer::flush()
{
drmModeClip clip{};
--
cgit v1.2.3