From: Mahesh Kumar <mahesh1.kumar@xxxxxxxxx>
This patch adds the following:
- Query supported pixel formats from kernel for a given
plane.
- Get number of supported pixel formats for a plane
- Check if format is supported by cairo
- Add support to get format name string
Signed-off-by: Mahesh Kumar <mahesh1.kumar@xxxxxxxxx>
Signed-off-by: Jyoti Yadav <jyoti.r.yadav@xxxxxxxxx>
Signed-off-by: Vidya Srinivas <vidya.srinivas@xxxxxxxxx>
---
lib/igt_fb.c | 16 ++++++++++++++++
lib/igt_kms.c | 29 +++++++++++++++++++++++++++++
lib/igt_kms.h | 7 +++++++
3 files changed, 52 insertions(+)
diff --git a/lib/igt_fb.c b/lib/igt_fb.c
index d4eaed7..21d666d 100644
--- a/lib/igt_fb.c
+++ b/lib/igt_fb.c
@@ -68,6 +68,22 @@ static struct format_desc_struct {
DF(XRGB2101010, RGB30, 32, 30),
DF(ARGB8888, ARGB32, 32, 32),
};
+
+const char *igt_get_format_name(uint32_t format)
+{
+ switch(format) {
+ case DRM_FORMAT_RGB565:
+ return "RGB565";
+ case DRM_FORMAT_XRGB8888:
+ return "XRGB8888";
+ case DRM_FORMAT_XRGB2101010:
+ return "XRGB2101010";
+ case DRM_FORMAT_ARGB8888:
+ return "ARGB8888";
+ default:
+ return "Unknown";
+ }
+}
#undef DF
#define for_each_format(f) \
diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index 223dbe4..cc17f5c 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -3639,3 +3639,32 @@ uint32_t kmstest_get_vbl_flag(uint32_t pipe_id)
return pipe_flag;
}
}
+
+/**
+ * igt_is_cairo_supported_format:
+ * @pixel_format: pixel format to be checked in supported cairo list.
+ *
+ * Returns true if pixel format is present in the supported cairo pixel
+ * format list and returns false if not present/supported in cairo.
+ */
+bool igt_is_cairo_supported_format(uint32_t pixel_format)
+{
+ const uint32_t *igt_formats;
+ int num_igt_formats;
+ int i;
+
+ igt_get_all_cairo_formats(&igt_formats, &num_igt_formats);
+ for (i = 0; i < num_igt_formats; i++) {
+ if (pixel_format == igt_formats[i])
+ return true;
+ }
+ return false;
+}
+
+int igt_get_format_count_plane(igt_plane_t *plane)
+{
+ if (plane)
+ return plane->drm_plane->count_formats;
+
+ return -EINVAL;
+}
diff --git a/lib/igt_kms.h b/lib/igt_kms.h
index 2a480bf..ced7d73 100644
--- a/lib/igt_kms.h
+++ b/lib/igt_kms.h
@@ -389,6 +389,10 @@ void igt_fb_set_size(struct igt_fb *fb, igt_plane_t *plane,
void igt_wait_for_vblank(int drm_fd, enum pipe pipe);
void igt_wait_for_vblank_count(int drm_fd, enum pipe pipe, int count);
+bool igt_is_cairo_supported_format(uint32_t pixel_format);
+int igt_get_format_count_plane(igt_plane_t *plane);
+const char *igt_get_format_name(uint32_t format);
+
static inline bool igt_output_is_connected(igt_output_t *output)
{
/* Something went wrong during probe? */
@@ -486,6 +490,9 @@ static inline bool igt_output_is_connected(igt_output_t *output)
for (int j__ = 0; assert(igt_can_fail()), (plane) = &(display)->pipes[(pipe)].planes[j__], \
j__ < (display)->pipes[(pipe)].n_planes; j__++)
+#define for_each_format_in_plane(plane, format) \
+ for (int k__ = 0; (format) = plane->drm_plane->formats[k__], k__ < plane->drm_plane->count_formats; k__++)
+
#define IGT_FIXED(i,f) ((i) << 16 | (f))
/**
--
2.7.4
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