From: Damien Lespiau <damien.lespiau@intel.com>
Date: Tue, 4 Feb 2014 12:06:57 +0000 (+0000)
Subject: lib: Introduce a for_each_connected_output() macro
X-Git-Tag: intel-gpu-tools-1.6~106
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=992bd5d62a666657aae3e231e9cb7638c405595c;p=profile%2Fextras%2Fintel-gpu-tools.git

lib: Introduce a for_each_connected_output() macro

So we can easily cycle through them in tests without knowing too many
internal details about how igt_display_t organize its data.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
---

diff --git a/lib/igt_kms.h b/lib/igt_kms.h
index 80cdfb6..1d06767 100644
--- a/lib/igt_kms.h
+++ b/lib/igt_kms.h
@@ -158,5 +158,9 @@ igt_plane_t *igt_ouput_get_plane(igt_output_t *output, enum igt_plane plane);
 
 void igt_plane_set_fb(igt_plane_t *plane, struct kmstest_fb *fb);
 
+#define for_each_connected_output(display, output)		\
+	for (int i__ = 0;  i__ < (display)->n_outputs; i__++)	\
+		if ((output = &(display)->outputs[i__]), output->valid)
+
 #endif /* __IGT_KMS_H__ */