Add fourcc codes for color-indexed frame buffer formats with two, four,
and sixteen colors. Add support for creating buffers using these
formats.
Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
include/drm/drm_fourcc.h | 5 ++++-
tests/modetest/buffers.c | 15 +++++++++++++++
tests/util/format.c | 3 +++
3 files changed, 22 insertions(+), 1 deletion(-)
diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h
index 957c7be29239c0a1..f8b18d28a71dabff 100644
--- a/include/drm/drm_fourcc.h
+++ b/include/drm/drm_fourcc.h
@@ -99,7 +99,10 @@ extern "C" {
#define DRM_FORMAT_INVALID 0
/* color index */
-#define DRM_FORMAT_C8 fourcc_code('C', '8', ' ', ' ') /* [7:0] C */
+#define DRM_FORMAT_C1 fourcc_code('C', '1', ' ', ' ') /* [7:0] C0:C1:C2:C3:C4:C5:C6:C7 1:1:1:1:1:1:1:1 eight pixels/byte */
+#define DRM_FORMAT_C2 fourcc_code('C', '2', ' ', ' ') /* [7:0] C0:C1:C2:C3 2:2:2:2 four pixels/byte */
+#define DRM_FORMAT_C4 fourcc_code('C', '4', ' ', ' ') /* [7:0] C0:C1 4:4 two pixels/byte */
+#define DRM_FORMAT_C8 fourcc_code('C', '8', ' ', ' ') /* [7:0] C 8 one pixel/byte */
/* 8 bpp Red */
#define DRM_FORMAT_R8 fourcc_code('R', '8', ' ', ' ') /* [7:0] R */
diff --git a/tests/modetest/buffers.c b/tests/modetest/buffers.c
index 8a8d9e0143474378..af7f60b4fb4d09ad 100644
--- a/tests/modetest/buffers.c
+++ b/tests/modetest/buffers.c
@@ -135,6 +135,18 @@ bo_create(int fd, unsigned int format,
int ret;
switch (format) {
+ case DRM_FORMAT_C1:
+ bpp = 1;
+ break;
+
+ case DRM_FORMAT_C2:
+ bpp = 2;
+ break;
+
+ case DRM_FORMAT_C4:
+ bpp = 4;
+ break;
+
case DRM_FORMAT_C8:
case DRM_FORMAT_NV12:
case DRM_FORMAT_NV21:
@@ -283,6 +295,9 @@ bo_create(int fd, unsigned int format,
planes[2] = virtual + offsets[2];
break;
+ case DRM_FORMAT_C1:
+ case DRM_FORMAT_C2:
+ case DRM_FORMAT_C4:
case DRM_FORMAT_C8:
case DRM_FORMAT_ARGB4444:
case DRM_FORMAT_XRGB4444:
diff --git a/tests/util/format.c b/tests/util/format.c
index 1ca1b82ce947b2f4..4b984af9bce8ac6f 100644
--- a/tests/util/format.c
+++ b/tests/util/format.c
@@ -40,6 +40,9 @@
static const struct util_format_info format_info[] = {
/* Indexed */
+ { DRM_FORMAT_C1, "C1" },
+ { DRM_FORMAT_C2, "C2" },
+ { DRM_FORMAT_C4, "C4" },
{ DRM_FORMAT_C8, "C8" },
/* YUV packed */
{ DRM_FORMAT_UYVY, "UYVY", MAKE_YUV_INFO(YUV_YCbCr | YUV_CY, 2, 2, 2) },
--
2.25.1
