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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2019-06-17 02:34:29 +0300
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2021-09-05 00:54:49 +0300
commit3d6262d56406e17163deddafbe2b928168784594 (patch)
tree2460283a35f02f1a882199f655f3996604eb4f52 /kms++util/src
parent70ed259ba057e629ad22ac93168a438dbd93113f (diff)
utils: Add a dump_framebuffer() methodHEADmaster
Add a new method to write the contents of a framebuffer to a file descriptor. This can be used to capture frames from writeback connectors. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'kms++util/src')
-rw-r--r--kms++util/src/drawing.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/kms++util/src/drawing.cpp b/kms++util/src/drawing.cpp
index 79e0d90..8d82ca4 100644
--- a/kms++util/src/drawing.cpp
+++ b/kms++util/src/drawing.cpp
@@ -1,5 +1,6 @@
#include <cmath>
+#include <unistd.h>
#include <kms++/kms++.h>
#include <kms++util/kms++util.h>
@@ -554,4 +555,10 @@ void draw_text(IFramebuffer& buf, uint32_t x, uint32_t y, const string& str, RGB
draw_char(buf, (x + 8 * i), y, str[i], color);
}
+void dump_framebuffer(IFramebuffer& fb, int fd)
+{
+ for (unsigned int i = 0; i < fb.num_planes(); ++i)
+ ::write(fd, fb.map(i), fb.size(i));
+}
+
} // namespace kms