[PATCH LIBDRM 2/3] modetest: Add support for YUV422 and YUV444

[Hyun Kwon]

This allows dumb buffer allocation for YUV422 and YUV444 with correct
subsampling values.

Signed-off-by: Hyun Kwon <hyun.k...@xilinx.com>
---
 tests/modetest/buffers.c | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/tests/modetest/buffers.c b/tests/modetest/buffers.c
index 9b635c0..769399e 100644
--- a/tests/modetest/buffers.c
+++ b/tests/modetest/buffers.c
@@ -127,7 +127,7 @@ bo_create(int fd, unsigned int format,
          unsigned int handles[4], unsigned int pitches[4],
          unsigned int offsets[4], enum util_fill_pattern pattern)
 {
-       unsigned int virtual_height;
+       unsigned int virtual_height, hsub, vsub;
        struct bo *bo;
        unsigned int bpp;
        void *planes[3] = { 0, };
@@ -141,6 +141,10 @@ bo_create(int fd, unsigned int format,
        case DRM_FORMAT_NV61:
        case DRM_FORMAT_YUV420:
        case DRM_FORMAT_YVU420:
+       case DRM_FORMAT_YUV422:
+       case DRM_FORMAT_YVU422:
+       case DRM_FORMAT_YUV444:
+       case DRM_FORMAT_YVU444:
                bpp = 8;
                break;
 
@@ -204,15 +208,30 @@ bo_create(int fd, unsigned int format,
        case DRM_FORMAT_YUV420:
        case DRM_FORMAT_YVU420:
                virtual_height = height * 3 / 2;
+               hsub = 2;
+               vsub = 2;
                break;
 
        case DRM_FORMAT_NV16:
        case DRM_FORMAT_NV61:
+       case DRM_FORMAT_YUV422:
+       case DRM_FORMAT_YVU422:
                virtual_height = height * 2;
+               hsub = 2;
+               vsub = 1;
+               break;
+
+       case DRM_FORMAT_YUV444:
+       case DRM_FORMAT_YVU444:
+               virtual_height = height * 3;
+               hsub = 1;
+               vsub = 1;
                break;
 
        default:
                virtual_height = height;
+               hsub = 1;
+               vsub = 1;
                break;
        }
 
@@ -260,14 +279,18 @@ bo_create(int fd, unsigned int format,
 
        case DRM_FORMAT_YUV420:
        case DRM_FORMAT_YVU420:
+       case DRM_FORMAT_YUV422:
+       case DRM_FORMAT_YVU422:
+       case DRM_FORMAT_YUV444:
+       case DRM_FORMAT_YVU444:
                offsets[0] = 0;
                handles[0] = bo->handle;
                pitches[0] = bo->pitch;
-               pitches[1] = pitches[0] / 2;
+               pitches[1] = pitches[0] / hsub;
                offsets[1] = pitches[0] * height;
                handles[1] = bo->handle;
                pitches[2] = pitches[1];
-               offsets[2] = offsets[1] + pitches[1] * height / 2;
+               offsets[2] = offsets[1] + pitches[1] * height / vsub;
                handles[2] = bo->handle;
 
                planes[0] = virtual;
-- 
2.7.4

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