From: Kevin Strasser <kevin.strasser@intel.com>
To: igt-dev@lists.freedesktop.org
Subject: [igt-dev] [RFC 2/5] include: Add fp16 format defines
Date: Sat, 2 Mar 2019 17:39:03 -0800 [thread overview]
Message-ID: <1551577146-2348-3-git-send-email-kevin.strasser@intel.com> (raw)
In-Reply-To: <1551577146-2348-1-git-send-email-kevin.strasser@intel.com>
Adds fp16 formats needed for testing.
NOTE: This should not be merged until defines have actually landed in the
drm-next uapi headers.
Signed-off-by: Kevin Strasser <kevin.strasser@intel.com>
---
include/drm-uapi/drm_fourcc.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/include/drm-uapi/drm_fourcc.h b/include/drm-uapi/drm_fourcc.h
index bab2029..6302070 100644
--- a/include/drm-uapi/drm_fourcc.h
+++ b/include/drm-uapi/drm_fourcc.h
@@ -144,6 +144,16 @@ extern "C" {
#define DRM_FORMAT_RGBA1010102 fourcc_code('R', 'A', '3', '0') /* [31:0] R:G:B:A 10:10:10:2 little endian */
#define DRM_FORMAT_BGRA1010102 fourcc_code('B', 'A', '3', '0') /* [31:0] B:G:R:A 10:10:10:2 little endian */
+/* Floating point 64 bpp RGB
+ * IEEE 754-2008 binary16 half-precision float
+ * [15:0] sign:exponent:mantissa 1:5:10
+ */
+#define DRM_FORMAT_XRGB16161616F fourcc_code('X', 'R', '4', 'H') /* [63:0] x:R:G:B 16:16:16:16 little endian */
+#define DRM_FORMAT_XBGR16161616F fourcc_code('X', 'B', '4', 'H') /* [63:0] x:B:G:R 16:16:16:16 little endian */
+
+#define DRM_FORMAT_ARGB16161616F fourcc_code('A', 'R', '4', 'H') /* [63:0] A:R:G:B 16:16:16:16 little endian */
+#define DRM_FORMAT_ABGR16161616F fourcc_code('A', 'B', '4', 'H') /* [63:0] A:B:G:R 16:16:16:16 little endian */
+
/* packed YCbCr */
#define DRM_FORMAT_YUYV fourcc_code('Y', 'U', 'Y', 'V') /* [31:0] Cr0:Y1:Cb0:Y0 8:8:8:8 little endian */
#define DRM_FORMAT_YVYU fourcc_code('Y', 'V', 'Y', 'U') /* [31:0] Cb0:Y1:Cr0:Y0 8:8:8:8 little endian */
--
2.7.4
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next prev parent reply other threads:[~2019-03-03 1:39 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-03 1:39 [igt-dev] [RFC 0/5] Add support for fp16 formats Kevin Strasser
2019-03-03 1:39 ` [igt-dev] [RFC 1/5] lib: Add halffloat implementation Kevin Strasser
2019-03-04 8:16 ` Maarten Lankhorst
2019-03-04 17:03 ` Strasser, Kevin
2019-03-05 11:21 ` Maarten Lankhorst
2019-03-03 1:39 ` Kevin Strasser [this message]
2019-03-03 1:39 ` [igt-dev] [RFC 3/5] tests/kms_available_modes_crc: Add cases for 64bit formats Kevin Strasser
2019-03-04 8:17 ` Maarten Lankhorst
2019-03-03 1:39 ` [igt-dev] [RFC 4/5] lib/igt_fb: Add support for fp16 formats through conversion Kevin Strasser
2019-03-03 1:39 ` [igt-dev] [RFC 5/5] tests/kms_plane_scaling: Skip testing unsupported fp16 features Kevin Strasser
2019-03-04 8:35 ` Maarten Lankhorst
2019-03-04 17:21 ` Strasser, Kevin
2019-03-03 2:11 ` [igt-dev] ✓ Fi.CI.BAT: success for Add support for fp16 formats Patchwork
2019-03-03 3:06 ` [igt-dev] ✓ Fi.CI.IGT: " Patchwork
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