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Message-Id: <20240306-louis-vkms-conv-v1-5-5bfe7d129fdd@riseup.net>
Date: Wed, 06 Mar 2024 17:03:12 -0300
From: Arthur Grillo <arthurgrillo@...eup.net>
To: Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>,
Melissa Wen <melissa.srw@...il.com>,
Maíra Canal <mairacanal@...eup.net>,
Haneen Mohammed <hamohammed.sa@...il.com>, Daniel Vetter <daniel@...ll.ch>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...il.com>, arthurgrillo@...eup.net,
Jonathan Corbet <corbet@....net>, pekka.paalanen@...oniitty.fi,
Louis Chauvet <louis.chauvet@...tlin.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
jeremie.dautheribes@...tlin.com, miquel.raynal@...tlin.com,
thomas.petazzoni@...tlin.com, seanpaul@...gle.com, marcheu@...gle.com,
nicolejadeyee@...gle.com
Subject: [PATCH 5/7] drm/vkms: Add comments to format tests
Signed-off-by: Arthur Grillo <arthurgrillo@...eup.net>
---
drivers/gpu/drm/vkms/tests/vkms_format_test.c | 67 +++++++++++++++++++++++++++
1 file changed, 67 insertions(+)
diff --git a/drivers/gpu/drm/vkms/tests/vkms_format_test.c b/drivers/gpu/drm/vkms/tests/vkms_format_test.c
index 3522ecee960f..66cdd83c3d25 100644
--- a/drivers/gpu/drm/vkms/tests/vkms_format_test.c
+++ b/drivers/gpu/drm/vkms/tests/vkms_format_test.c
@@ -24,7 +24,24 @@ struct yuv_u8_to_argb_u16_case {
} colors[TEST_BUFF_SIZE];
};
+/*
+ * The YUV color representation were acquired via the colour python framework.
+ * Below are the function calls used for generating each case.
+ *
+ * for more information got to the docs:
+ * https://colour.readthedocs.io/en/master/generated/colour.RGB_to_YCbCr.html
+ */
static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u16_cases[] = {
+ /*
+ * colour.RGB_to_YCbCr(<rgb color in 16 bit form>,
+ * K=colour.WEIGHTS_YCBCR["ITU-R BT.601"],
+ * in_bits = 16,
+ * in_legal = False,
+ * in_int = True,
+ * out_bits = 8,
+ * out_legal = False,
+ * out_int = True)
+ */
{
.encoding = DRM_COLOR_YCBCR_BT601,
.range = DRM_COLOR_YCBCR_FULL_RANGE,
@@ -38,6 +55,16 @@ static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u16_cases[] = {
{"blue", {0x1d, 0xff, 0x6b}, {0xffff, 0x0000, 0x0000, 0xffff}},
},
},
+ /*
+ * colour.RGB_to_YCbCr(<rgb color in 16 bit form>,
+ * K=colour.WEIGHTS_YCBCR["ITU-R BT.601"],
+ * in_bits = 16,
+ * in_legal = False,
+ * in_int = True,
+ * out_bits = 8,
+ * out_legal = True,
+ * out_int = True)
+ */
{
.encoding = DRM_COLOR_YCBCR_BT601,
.range = DRM_COLOR_YCBCR_LIMITED_RANGE,
@@ -51,6 +78,16 @@ static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u16_cases[] = {
{"blue", {0x29, 0xf0, 0x6e}, {0xffff, 0x0000, 0x0000, 0xffff}},
},
},
+ /*
+ * colour.RGB_to_YCbCr(<rgb color in 16 bit form>,
+ * K=colour.WEIGHTS_YCBCR["ITU-R BT.709"],
+ * in_bits = 16,
+ * in_legal = False,
+ * in_int = True,
+ * out_bits = 8,
+ * out_legal = False,
+ * out_int = True)
+ */
{
.encoding = DRM_COLOR_YCBCR_BT709,
.range = DRM_COLOR_YCBCR_FULL_RANGE,
@@ -64,6 +101,16 @@ static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u16_cases[] = {
{"blue", {0x12, 0xff, 0x74}, {0xffff, 0x0000, 0x0000, 0xffff}},
},
},
+ /*
+ * colour.RGB_to_YCbCr(<rgb color in 16 bit form>,
+ * K=colour.WEIGHTS_YCBCR["ITU-R BT.709"],
+ * in_bits = 16,
+ * int_legal = False,
+ * in_int = True,
+ * out_bits = 8,
+ * out_legal = True,
+ * out_int = True)
+ */
{
.encoding = DRM_COLOR_YCBCR_BT709,
.range = DRM_COLOR_YCBCR_LIMITED_RANGE,
@@ -77,6 +124,16 @@ static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u16_cases[] = {
{"blue", {0x20, 0xf0, 0x76}, {0xffff, 0x0000, 0x0000, 0xffff}},
},
},
+ /*
+ * colour.RGB_to_YCbCr(<rgb color in 16 bit form>,
+ * K=colour.WEIGHTS_YCBCR["ITU-R BT.2020"],
+ * in_bits = 16,
+ * in_legal = False,
+ * in_int = True,
+ * out_bits = 8,
+ * out_legal = False,
+ * out_int = True)
+ */
{
.encoding = DRM_COLOR_YCBCR_BT2020,
.range = DRM_COLOR_YCBCR_FULL_RANGE,
@@ -90,6 +147,16 @@ static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u16_cases[] = {
{"blue", {0x0f, 0xff, 0x76}, {0xffff, 0x0000, 0x0000, 0xffff}},
},
},
+ /*
+ * colour.RGB_to_YCbCr(<rgb color in 16 bit form>,
+ * K=colour.WEIGHTS_YCBCR["ITU-R BT.2020"],
+ * in_bits = 16,
+ * in_legal = False,
+ * in_int = True,
+ * out_bits = 8,
+ * out_legal = True,
+ * out_int = True)
+ */
{
.encoding = DRM_COLOR_YCBCR_BT2020,
.range = DRM_COLOR_YCBCR_LIMITED_RANGE,
--
2.43.0
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