[igt-dev] [PATCH i-g-t v3 11/14] igt: fb: Add a bunch of new YUV formats

[Maxime Ripard]

Thanks to the previous reworks, we can now add new YUV formats pretty
easily. This patch adds support for the NV12, NV16, NV21, NV61, YUV420,
YVU420, YUV422 and YVU422 formats.

Reviewed-by: Paul Kocialkowski <paul.kocialkowski at bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard at bootlin.com>
---
 lib/igt_fb.c | 100 +++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 98 insertions(+), 2 deletions(-)

diff --git a/lib/igt_fb.c b/lib/igt_fb.c
index 4a33a00514aa..d9746e60713c 100644
--- a/lib/igt_fb.c
+++ b/lib/igt_fb.c
@@ -150,6 +150,21 @@ static const struct format_desc_struct {
 	  .num_planes = 2, .plane_bpp = { 8, 16, },
 	  .hsub = 2, .vsub = 2,
 	},
+	{ .name = "NV16", .depth = -1, .drm_id = DRM_FORMAT_NV16,
+	  .cairo_id = CAIRO_FORMAT_RGB24,
+	  .num_planes = 2, .plane_bpp = { 8, 16, },
+	  .hsub = 2, .vsub = 1,
+	},
+	{ .name = "NV21", .depth = -1, .drm_id = DRM_FORMAT_NV21,
+	  .cairo_id = CAIRO_FORMAT_RGB24,
+	  .num_planes = 2, .plane_bpp = { 8, 16, },
+	  .hsub = 2, .vsub = 2,
+	},
+	{ .name = "NV61", .depth = -1, .drm_id = DRM_FORMAT_NV61,
+	  .cairo_id = CAIRO_FORMAT_RGB24,
+	  .num_planes = 2, .plane_bpp = { 8, 16, },
+	  .hsub = 2, .vsub = 1,
+	},
 	{ .name = "YUYV", .depth = -1, .drm_id = DRM_FORMAT_YUYV,
 	  .cairo_id = CAIRO_FORMAT_RGB24,
 	  .num_planes = 1, .plane_bpp = { 16, },
@@ -170,6 +185,26 @@ static const struct format_desc_struct {
 	  .num_planes = 1, .plane_bpp = { 16, },
 	  .hsub = 2, .vsub = 1,
 	},
+	{ .name = "YU12", .depth = -1, .drm_id = DRM_FORMAT_YUV420,
+	  .cairo_id = CAIRO_FORMAT_RGB24,
+	  .num_planes = 3, .plane_bpp = { 8, 8, 8, },
+	  .hsub = 2, .vsub = 2,
+	},
+	{ .name = "YU16", .depth = -1, .drm_id = DRM_FORMAT_YUV422,
+	  .cairo_id = CAIRO_FORMAT_RGB24,
+	  .num_planes = 3, .plane_bpp = { 8, 8, 8, },
+	  .hsub = 2, .vsub = 1,
+	},
+	{ .name = "YV12", .depth = -1, .drm_id = DRM_FORMAT_YVU420,
+	  .cairo_id = CAIRO_FORMAT_RGB24,
+	  .num_planes = 3, .plane_bpp = { 8, 8, 8, },
+	  .hsub = 2, .vsub = 2,
+	},
+	{ .name = "YV16", .depth = -1, .drm_id = DRM_FORMAT_YVU422,
+	  .cairo_id = CAIRO_FORMAT_RGB24,
+	  .num_planes = 3, .plane_bpp = { 8, 8, 8, },
+	  .hsub = 2, .vsub = 1,
+	},
 };
 #define for_each_format(f)	\
 	for (f = format_desc; f - format_desc < ARRAY_SIZE(format_desc); f++)
@@ -1607,10 +1642,21 @@ static void get_yuv_parameters(struct igt_fb *fb, struct yuv_parameters *params)
 
 	switch (fb->drm_format) {
 	case DRM_FORMAT_NV12:
+	case DRM_FORMAT_NV16:
+	case DRM_FORMAT_NV21:
+	case DRM_FORMAT_NV61:
 		params->y_inc = 1;
 		params->uv_inc = 2;
 		break;
 
+	case DRM_FORMAT_YUV420:
+	case DRM_FORMAT_YUV422:
+	case DRM_FORMAT_YVU420:
+	case DRM_FORMAT_YVU422:
+		params->y_inc = 1;
+		params->uv_inc = 1;
+		break;
+
 	case DRM_FORMAT_YUYV:
 	case DRM_FORMAT_YVYU:
 	case DRM_FORMAT_UYVY:
@@ -1627,6 +1673,13 @@ static void get_yuv_parameters(struct igt_fb *fb, struct yuv_parameters *params)
 
 	switch (fb->drm_format) {
 	case DRM_FORMAT_NV12:
+	case DRM_FORMAT_NV16:
+	case DRM_FORMAT_NV21:
+	case DRM_FORMAT_NV61:
+	case DRM_FORMAT_YUV420:
+	case DRM_FORMAT_YUV422:
+	case DRM_FORMAT_YVU420:
+	case DRM_FORMAT_YVU422:
 		params->y_stride = fb->strides[0];
 		params->uv_stride = fb->strides[1];
 		break;
@@ -1643,11 +1696,33 @@ static void get_yuv_parameters(struct igt_fb *fb, struct yuv_parameters *params)
 
 	switch (fb->drm_format) {
 	case DRM_FORMAT_NV12:
+	case DRM_FORMAT_NV16:
 		params->y_offset = fb->offsets[0];
 		params->u_offset = fb->offsets[1];
 		params->v_offset = fb->offsets[1] + 1;
 		break;
 
+	case DRM_FORMAT_NV21:
+	case DRM_FORMAT_NV61:
+		params->y_offset = fb->offsets[0];
+		params->u_offset = fb->offsets[1] + 1;
+		params->v_offset = fb->offsets[1];
+		break;
+
+	case DRM_FORMAT_YUV420:
+	case DRM_FORMAT_YUV422:
+		params->y_offset = fb->offsets[0];
+		params->u_offset = fb->offsets[1];
+		params->v_offset = fb->offsets[2];
+		break;
+
+	case DRM_FORMAT_YVU420:
+	case DRM_FORMAT_YVU422:
+		params->y_offset = fb->offsets[0];
+		params->u_offset = fb->offsets[2];
+		params->v_offset = fb->offsets[1];
+		break;
+
 	case DRM_FORMAT_YUYV:
 		params->y_offset = fb->offsets[0];
 		params->u_offset = fb->offsets[0] + 1;
@@ -1874,9 +1949,16 @@ static void fb_convert(struct fb_convert *cvt)
 		switch (cvt->src.fb->drm_format) {
 		case DRM_FORMAT_XYUV8888:
 		case DRM_FORMAT_NV12:
+		case DRM_FORMAT_NV16:
+		case DRM_FORMAT_NV21:
+		case DRM_FORMAT_NV61:
 		case DRM_FORMAT_UYVY:
 		case DRM_FORMAT_VYUY:
+		case DRM_FORMAT_YUV420:
+		case DRM_FORMAT_YUV422:
 		case DRM_FORMAT_YUYV:
+		case DRM_FORMAT_YVU420:
+		case DRM_FORMAT_YVU422:
 		case DRM_FORMAT_YVYU:
 			convert_yuv_to_rgb24(cvt);
 			return;
@@ -1885,10 +1967,17 @@ static void fb_convert(struct fb_convert *cvt)
 		switch (cvt->dst.fb->drm_format) {
 		case DRM_FORMAT_XYUV8888:
 		case DRM_FORMAT_NV12:
-		case DRM_FORMAT_YUYV:
-		case DRM_FORMAT_YVYU:
+		case DRM_FORMAT_NV16:
+		case DRM_FORMAT_NV21:
+		case DRM_FORMAT_NV61:
 		case DRM_FORMAT_UYVY:
 		case DRM_FORMAT_VYUY:
+		case DRM_FORMAT_YUV420:
+		case DRM_FORMAT_YUV422:
+		case DRM_FORMAT_YUYV:
+		case DRM_FORMAT_YVU420:
+		case DRM_FORMAT_YVU422:
+		case DRM_FORMAT_YVYU:
 			convert_rgb24_to_yuv(cvt);
 			return;
 		}
@@ -2235,6 +2324,13 @@ bool igt_format_is_yuv(uint32_t drm_format)
 {
 	switch (drm_format) {
 	case DRM_FORMAT_NV12:
+	case DRM_FORMAT_NV16:
+	case DRM_FORMAT_NV21:
+	case DRM_FORMAT_NV61:
+	case DRM_FORMAT_YUV420:
+	case DRM_FORMAT_YUV422:
+	case DRM_FORMAT_YVU420:
+	case DRM_FORMAT_YVU422:
 	case DRM_FORMAT_YUYV:
 	case DRM_FORMAT_YVYU:
 	case DRM_FORMAT_UYVY:
-- 
2.20.1