<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    <p><font face="Calibri">For Y410, there is crc mismatch for plane 0.</font></p>
    <p><font face="Calibri">Being curious just wanted to ask, why
        haven't you added Y412? :/</font><br>
    </p>
    <div class="moz-cite-prefix">On 01-Feb-19 4:45 PM, Maarten Lankhorst
      wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:20190201111544.7920-4-maarten.lankhorst@linux.intel.com">
      <pre class="moz-quote-pre" wrap="">Y410 is packed with compressed a channel and only 32 bpp, like
10 bits RGB formats. Y416 is a packed 16 bits per component format.

Signed-off-by: Maarten Lankhorst <a class="moz-txt-link-rfc2396E" href="mailto:maarten.lankhorst@linux.intel.com"><maarten.lankhorst@linux.intel.com></a>
---
 include/drm-uapi/drm_fourcc.h |   3 +
 lib/igt_color_encoding.c      |   2 +
 lib/igt_fb.c                  | 203 ++++++++++++++++++++++++++++++++++
 3 files changed, 208 insertions(+)

diff --git a/include/drm-uapi/drm_fourcc.h b/include/drm-uapi/drm_fourcc.h
index 8f1b5f832a09..1d04304a0528 100644
--- a/include/drm-uapi/drm_fourcc.h
+++ b/include/drm-uapi/drm_fourcc.h
@@ -157,6 +157,9 @@ extern "C" {
 #define DRM_FORMAT_Y212                fourcc_code('Y', '2', '1', '2')
 #define DRM_FORMAT_Y216                fourcc_code('Y', '2', '1', '6')
 
+#define DRM_FORMAT_Y410                fourcc_code('Y', '4', '1', '0') /* [31:0] A:V:Y:U 2:10:10:10 little endian */
+#define DRM_FORMAT_Y416                fourcc_code('Y', '4', '1', '6') /* [127:0] A:V:Y:U 16:16:16:16 little endian */
+
 /*
  * packed YCbCr420 2x2 tiled formats
  * first 64 bits will contain Y,Cb,Cr components for a 2x2 tile
diff --git a/lib/igt_color_encoding.c b/lib/igt_color_encoding.c
index 6f82fcec62e4..bc9575fca1b4 100644
--- a/lib/igt_color_encoding.c
+++ b/lib/igt_color_encoding.c
@@ -147,6 +147,8 @@ static const struct color_encoding_format {
        { DRM_FORMAT_Y210, 65472.f, 4096.f, 60160.f, 4096.f, 32768.f, 61440.f },
        { DRM_FORMAT_Y212, 65520.f, 4096.f, 60160.f, 4096.f, 32768.f, 61440.f },
        { DRM_FORMAT_Y216, 65535.f, 4096.f, 60160.f, 4096.f, 32768.f, 61440.f },
+       { DRM_FORMAT_Y410, 1023.f, 64.f, 940.f, 64.f, 512.f, 960.f },
+       { DRM_FORMAT_Y416, 65535.f, 4096.f, 60160.f, 4096.f, 32768.f, 61440.f },
 };
 
 static const struct color_encoding_format *lookup_fourcc(uint32_t fourcc)
diff --git a/lib/igt_fb.c b/lib/igt_fb.c
index c14cc10d1b73..15c541d1fc4e 100644
--- a/lib/igt_fb.c
+++ b/lib/igt_fb.c
@@ -163,6 +163,14 @@ static const struct format_desc_struct {
          .cairo_id = CAIRO_FORMAT_RGB96F,
          .num_planes = 1, .plane_bpp = { 32, },
        },
+       { .name = "Y410", .depth = -1, .drm_id = DRM_FORMAT_Y410,
+         .cairo_id = CAIRO_FORMAT_RGBA128F,
+         .num_planes = 1, .plane_bpp = { 32, },
+       },
+       { .name = "Y416", .depth = -1, .drm_id = DRM_FORMAT_Y416,
+         .cairo_id = CAIRO_FORMAT_RGBA128F,
+         .num_planes = 1, .plane_bpp = { 64, },
+       },
        { .name = "P010", .depth = -1, .drm_id = DRM_FORMAT_P010,
          .cairo_id = CAIRO_FORMAT_RGB96F,
          .num_planes = 2, .plane_bpp = { 16, 32 },
@@ -572,6 +580,28 @@ static int create_bo_for_fb(struct igt_fb *fb)
                                        full_range ? 0x80000000 : 0x80001000,
                                        fb->strides[0] * fb->plane_height[0] / sizeof(wchar_t));
                                break;
+                       case DRM_FORMAT_Y410:
+                               wmemset(ptr + fb->offsets[0],
+                                       full_range ? 0xc0080000 : 0xc4080040,
+                                       fb->strides[0] * fb->plane_height[0] / sizeof(wchar_t));
+                               break;
+                       case DRM_FORMAT_Y416: {
+                               struct ayuv16 { uint16_t u, y, v, a; };
+                               const struct ayuv16 pixel = {
+                                       .a = 0xffff,
+                                       .v = full_range ? 0 : 0x1000,
+                                       .y = 0x8000,
+                                       .u = full_range ? 0 : 0x1000
+                               };
+
+                               for (int i = 0; i < fb->plane_height[0]; i++) {
+                                       struct ayuv16 *cur = ptr + fb->offsets[0] + fb->strides[0] * i;
+
+                                       for (int j = 0; i < fb->plane_width[0]; j++)
+                                               *cur++ = pixel;
+                               }
+                               break;
+                               }
                        }
                        gem_munmap(ptr, fb->size);
 
@@ -2272,6 +2302,165 @@ static void convert_float_to_Y21X(struct fb_convert *cvt)
        }
 }
 
+static void convert_Y410_to_float(struct fb_convert *cvt)
+{
+       int i, j;
+       const uint32_t *yuyv;
+       uint32_t *buf;
+       float *ptr = cvt->dst.ptr;
+       unsigned int float_stride = cvt->dst.fb->strides[0] / sizeof(*ptr);
+       unsigned int yuyv_stride = cvt->src.fb->strides[0] / sizeof(*yuyv);
+       struct igt_mat4 m = igt_ycbcr_to_rgb_matrix(cvt->src.fb->drm_format,
+                                                   cvt->dst.fb->drm_format,
+                                                   cvt->src.fb->color_encoding,
+                                                   cvt->src.fb->color_range);
+
+       igt_assert(cvt->src.fb->drm_format == DRM_FORMAT_Y410 &&
+                  cvt->dst.fb->drm_format == IGT_FORMAT_FLOAT);
+
+       yuyv = buf = convert_src_get(cvt);
+
+       for (i = 0; i < cvt->dst.fb->height; i++) {
+               for (j = 0; j < cvt->dst.fb->width; j++) {
+                       /* Convert 2x1 pixel blocks */
+                       struct igt_vec4 yuv;
+                       struct igt_vec4 rgb;
+
+                       yuv.d[0] = yuyv[j] & 0x3ff;
+                       yuv.d[1] = (yuyv[j] >> 10) & 0x3ff;
+                       yuv.d[2] = (yuyv[j] >> 20) & 0x3ff;
+                       yuv.d[3] = 1.f;
+
+                       rgb = igt_matrix_transform(&m, &yuv);
+
+                       write_rgbf(&ptr[j * 4 + 0], &rgb);
+                       ptr[j * 4 + 3] = (float)(yuyv[j] >> 30) / 3;
+               }
+
+               ptr += float_stride;
+               yuyv += yuyv_stride;
+       }
+
+       convert_src_put(cvt, buf);
+}
+
+static void convert_float_to_Y410(struct fb_convert *cvt)
+{
+       int i, j;
+       uint32_t *yuyv = cvt->dst.ptr;
+       const float *ptr = cvt->src.ptr;
+       unsigned float_stride = cvt->src.fb->strides[0] / sizeof(*ptr);
+       unsigned yuyv_stride = cvt->dst.fb->strides[0] / sizeof(*yuyv);
+       struct igt_mat4 m = igt_rgb_to_ycbcr_matrix(cvt->src.fb->drm_format,
+                                                   cvt->dst.fb->drm_format,
+                                                   cvt->dst.fb->color_encoding,
+                                                   cvt->dst.fb->color_range);
+
+       igt_assert(cvt->src.fb->drm_format == IGT_FORMAT_FLOAT &&
+                  cvt->dst.fb->drm_format == DRM_FORMAT_Y410);
+
+       for (i = 0; i < cvt->dst.fb->height; i++) {
+               for (j = 0; j < cvt->dst.fb->width; j++) {
+                       struct igt_vec4 rgb;
+                       struct igt_vec4 yuv;
+                       uint8_t alpha = ptr[j * 4 + 3] * 3.f + .5f;
+                       uint16_t y, cb, cr;
+
+                       read_rgbf(&rgb, &ptr[j * 4 + 0]);
+
+                       yuv = igt_matrix_transform(&m, &rgb);
+                       cr = yuv.d[0];
+                       y = yuv.d[1];
+                       cb = yuv.d[2];
+
+                       yuyv[j] = ((cr & 0x3ff) << 0) |
+                                 ((y & 0x3ff) << 10) |
+                                 ((cb & 0x3ff) << 20) |
+                                 ((alpha & 3) << 30);
+               }
+
+               ptr += float_stride;
+               yuyv += yuyv_stride;
+       }
+}
+
+static void convert_Y416_to_float(struct fb_convert *cvt)
+{
+       int i, j;
+       const uint16_t *yuyv;
+       uint16_t *buf;
+       float *ptr = cvt->dst.ptr;
+       unsigned int float_stride = cvt->dst.fb->strides[0] / sizeof(*ptr);
+       unsigned int yuyv_stride = cvt->src.fb->strides[0] / sizeof(*yuyv);
+       struct igt_mat4 m = igt_ycbcr_to_rgb_matrix(cvt->src.fb->drm_format,
+                                                   cvt->dst.fb->drm_format,
+                                                   cvt->src.fb->color_encoding,
+                                                   cvt->src.fb->color_range);
+
+       igt_assert(cvt->src.fb->drm_format == DRM_FORMAT_Y416 &&
+                  cvt->dst.fb->drm_format == IGT_FORMAT_FLOAT);
+
+       buf = convert_src_get(cvt);
+
+       for (i = 0; i < cvt->dst.fb->height; i++) {
+               for (j = 0; j < cvt->dst.fb->width; j++) {
+                       /* Convert 2x1 pixel blocks */
+                       struct igt_vec4 yuv;
+                       struct igt_vec4 rgb;
+
+                       yuv.d[0] = yuyv[j * 4 + 0];
+                       yuv.d[1] = yuyv[j * 4 + 1];
+                       yuv.d[2] = yuyv[j * 4 + 2];
+                       yuv.d[3] = 1.f;
+
+                       rgb = igt_matrix_transform(&m, &yuv);
+
+                       write_rgbf(&ptr[j * 4 + 0], &rgb);
+                       ptr[j * 4 + 3] = (float)yuyv[j * 4 + 3] / 65535.f;
+               }
+
+               ptr += float_stride;
+               yuyv += yuyv_stride;
+       }
+
+       convert_src_put(cvt, buf);
+}
+
+static void convert_float_to_Y416(struct fb_convert *cvt)
+{
+       int i, j;
+       uint16_t *yuyv = cvt->dst.ptr;
+       const float *ptr = cvt->src.ptr;
+       unsigned float_stride = cvt->src.fb->strides[0] / sizeof(*ptr);
+       unsigned yuyv_stride = cvt->dst.fb->strides[0] / sizeof(*yuyv);
+       struct igt_mat4 m = igt_rgb_to_ycbcr_matrix(cvt->src.fb->drm_format,
+                                                   cvt->dst.fb->drm_format,
+                                                   cvt->dst.fb->color_encoding,
+                                                   cvt->dst.fb->color_range);
+
+       igt_assert(cvt->src.fb->drm_format == IGT_FORMAT_FLOAT &&
+                  cvt->dst.fb->drm_format == DRM_FORMAT_Y416);
+
+       for (i = 0; i < cvt->dst.fb->height; i++) {
+               for (j = 0; j < cvt->dst.fb->width; j++) {
+                       struct igt_vec4 rgb;
+                       struct igt_vec4 yuv;
+
+                       read_rgbf(&rgb, &ptr[j * 4 + 0]);
+
+                       yuv = igt_matrix_transform(&m, &rgb);
+
+                       yuyv[j * 4 + 0] = yuv.d[0];
+                       yuyv[j * 4 + 1] = yuv.d[1];
+                       yuyv[j * 4 + 2] = yuv.d[2];
+                       yuyv[j * 4 + 3] = ptr[j * 4 + 3] * 65535.f + .5f;
+               }
+
+               ptr += float_stride;
+               yuyv += yuyv_stride;
+       }
+}
+
 static void convert_pixman(struct fb_convert *cvt)
 {
        pixman_format_code_t src_pixman = drm_format_to_pixman(cvt->src.fb->drm_format);
@@ -2359,6 +2548,12 @@ static void fb_convert(struct fb_convert *cvt)
                case DRM_FORMAT_Y216:
                        convert_Y21X_to_float(cvt);
                        return;
+               case DRM_FORMAT_Y410:
+                       convert_Y410_to_float(cvt);
+                       return;
+               case DRM_FORMAT_Y416:
+                       convert_Y416_to_float(cvt);
+                       return;
                }
        } else if (cvt->src.fb->drm_format == IGT_FORMAT_FLOAT) {
                switch (cvt->dst.fb->drm_format) {
@@ -2372,6 +2567,12 @@ static void fb_convert(struct fb_convert *cvt)
                case DRM_FORMAT_Y216:
                        convert_float_to_Y21X(cvt);
                        return;
+               case DRM_FORMAT_Y410:
+                       convert_float_to_Y410(cvt);
+                       return;
+               case DRM_FORMAT_Y416:
+                       convert_float_to_Y416(cvt);
+                       return;
                }
        }
 
@@ -2729,6 +2930,8 @@ bool igt_format_is_yuv(uint32_t drm_format)
        case DRM_FORMAT_Y210:
        case DRM_FORMAT_Y212:
        case DRM_FORMAT_Y216:
+       case DRM_FORMAT_Y410:
+       case DRM_FORMAT_Y416:
        case DRM_FORMAT_YUYV:
        case DRM_FORMAT_YVYU:
        case DRM_FORMAT_UYVY:
</pre>
    </blockquote>
    <div class="moz-signature">-- <br>
      Thanks and Regards,
      Swati
    </div>
  </body>
</html>