added my Recipes

meta-st/meta-st-openstlinux/recipes-graphics/xorg-lib/pixman/0001-NV12-format-support.patch

@@ -0,0 +1,163 @@
+From 8cb96d48a8f3fc49bd9e63255e41eb0976d82f8c Mon Sep 17 00:00:00 2001
+From: Christophe Priouzeau <christophe.priouzeau@st.com>
+Date: Tue, 23 Apr 2019 17:18:15 +0200
+Subject: [PATCH] NV12-format-support
+
+Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
+---
+ pixman/pixman-access.c | 79 ++++++++++++++++++++++++++++++++++++++++++++++++++
+ pixman/pixman.c        |  3 +-
+ pixman/pixman.h        |  5 +++-
+ 3 files changed, 85 insertions(+), 2 deletions(-)
+
+diff --git a/pixman/pixman-access.c b/pixman/pixman-access.c
+index 8dfd35f..a462b27 100644
+--- a/pixman/pixman-access.c
++++ b/pixman/pixman-access.c
+@@ -845,6 +845,46 @@ fetch_scanline_yv12 (bits_image_t   *image,
+     }
+ }
+ 
++static void
++fetch_scanline_nv12 (bits_image_t   *image,
++                     int             x,
++                     int             line,
++                     int             width,
++                     uint32_t *      buffer,
++                     const uint32_t *mask)
++{
++    uint8_t *bits = (uint8_t *) image->bits;
++    int stride = image->rowstride * sizeof (uint32_t);
++    int offset_uv = stride * image->height;
++    uint8_t *y_line, *uv_line;
++    int i;
++
++    y_line = bits + (stride * line);
++    uv_line = bits + offset_uv + (stride * (line >>1));
++
++    for (i = 0; i < width; i++)
++    {
++        int16_t y, u, v;
++        int32_t r, g, b;
++
++        y = *(y_line + x + i) - 16;
++        u = *(uv_line + ((x + i) & ~1)) - 128;
++        v = *(uv_line + ((x + i) & ~1) + 1) - 128;
++
++        /* R = 1.164(Y - 16) + 1.596(V - 128) */
++        r = 0x012b27 * y + 0x019a2e * v;
++        /* G = 1.164(Y - 16) - 0.813(V - 128) - 0.391(U - 128) */
++        g = 0x012b27 * y - 0x00d0f2 * v - 0x00647e * u;
++        /* B = 1.164(Y - 16) + 2.018(U - 128) */
++        b = 0x012b27 * y + 0x0206a2 * u;
++
++        *buffer++ = 0xff000000 |
++            (r >= 0 ? r < 0x1000000 ? r         & 0xff0000 : 0xff0000 : 0) |
++            (g >= 0 ? g < 0x1000000 ? (g >> 8)  & 0x00ff00 : 0x00ff00 : 0) |
++            (b >= 0 ? b < 0x1000000 ? (b >> 16) & 0x0000ff : 0x0000ff : 0);
++    }
++}
++
+ /**************************** Pixel wise fetching *****************************/
+ 
+ #ifndef PIXMAN_FB_ACCESSORS
+@@ -1036,6 +1076,40 @@ fetch_pixel_yv12 (bits_image_t *image,
+ 	(b >= 0 ? b < 0x1000000 ? (b >> 16) & 0x0000ff : 0x0000ff : 0);
+ }
+ 
++static uint32_t
++fetch_pixel_nv12 (bits_image_t *image,
++		  int           offset,
++		  int           line)
++{
++    uint8_t *bits = (uint8_t *) image->bits;
++    int stride = image->rowstride * sizeof (uint32_t);
++    int offset_uv = stride * image->height;
++    uint8_t *y_bits, *uv_bits;
++    int16_t y, u, v;
++    int32_t r, g, b;
++
++    y_bits = bits + (stride * line) + offset;
++    uv_bits = bits + offset_uv + (stride * (line >>1)) + (offset & ~1);
++
++    y = *y_bits - 16;
++    u = *uv_bits- 128;
++    v = *(uv_bits + 1) - 128;
++
++    /* R = 1.164(Y - 16) + 1.596(V - 128) */
++    r = 0x012b27 * y + 0x019a2e * v;
++
++    /* G = 1.164(Y - 16) - 0.813(V - 128) - 0.391(U - 128) */
++    g = 0x012b27 * y - 0x00d0f2 * v - 0x00647e * u;
++
++    /* B = 1.164(Y - 16) + 2.018(U - 128) */
++    b = 0x012b27 * y + 0x0206a2 * u;
++
++    return 0xff000000 |
++        (r >= 0 ? r < 0x1000000 ? r         & 0xff0000 : 0xff0000 : 0) |
++        (g >= 0 ? g < 0x1000000 ? (g >> 8)  & 0x00ff00 : 0x00ff00 : 0) |
++        (b >= 0 ? b < 0x1000000 ? (b >> 16) & 0x0000ff : 0x0000ff : 0);
++}
++
+ /*********************************** Store ************************************/
+ 
+ #ifndef PIXMAN_FB_ACCESSORS
+@@ -1509,6 +1583,11 @@ static const format_info_t accessors[] =
+       fetch_pixel_yv12, fetch_pixel_generic_float,
+       NULL, NULL },
+     
++    { PIXMAN_nv12,
++      fetch_scanline_nv12, fetch_scanline_generic_float,
++      fetch_pixel_nv12, fetch_pixel_generic_float,
++      NULL, NULL },
++
+     { PIXMAN_null },
+ };
+ 
+diff --git a/pixman/pixman.c b/pixman/pixman.c
+index c09b528..d8a2d24 100644
+--- a/pixman/pixman.c
++++ b/pixman/pixman.c
+@@ -1070,6 +1070,7 @@ pixman_format_supported_source (pixman_format_code_t format)
+     /* YUV formats */
+     case PIXMAN_yuy2:
+     case PIXMAN_yv12:
++    case PIXMAN_nv12:
+ 	return TRUE;
+ 
+     default:
+@@ -1092,7 +1093,7 @@ PIXMAN_EXPORT pixman_bool_t
+ pixman_format_supported_destination (pixman_format_code_t format)
+ {
+     /* YUV formats cannot be written to at the moment */
+-    if (format == PIXMAN_yuy2 || format == PIXMAN_yv12)
++    if (format == PIXMAN_yuy2 || format == PIXMAN_yv12 || format == PIXMAN_nv12)
+ 	return FALSE;
+ 
+     return pixman_format_supported_source (format);
+diff --git a/pixman/pixman.h b/pixman/pixman.h
+index d644589..e8fa8da 100644
+--- a/pixman/pixman.h
++++ b/pixman/pixman.h
+@@ -691,6 +691,8 @@ struct pixman_indexed
+ #define PIXMAN_TYPE_RGBA	9
+ #define PIXMAN_TYPE_ARGB_SRGB	10
+ #define PIXMAN_TYPE_RGBA_FLOAT	11
++#define PIXMAN_TYPE_NV12	12
++
+ 
+ #define PIXMAN_FORMAT_COLOR(f)				\
+ 	(PIXMAN_FORMAT_TYPE(f) == PIXMAN_TYPE_ARGB ||	\
+@@ -772,7 +774,8 @@ typedef enum {
+ 
+ /* YUV formats */
+     PIXMAN_yuy2 =	 PIXMAN_FORMAT(16,PIXMAN_TYPE_YUY2,0,0,0,0),
+-    PIXMAN_yv12 =	 PIXMAN_FORMAT(12,PIXMAN_TYPE_YV12,0,0,0,0)
++    PIXMAN_yv12 =	 PIXMAN_FORMAT(12,PIXMAN_TYPE_YV12,0,0,0,0),
++    PIXMAN_nv12 =	 PIXMAN_FORMAT(12,PIXMAN_TYPE_NV12,0,0,0,0)
+ } pixman_format_code_t;
+ 
+ /* Querying supported format values. */
+-- 
+2.7.4
+