216 lines
6.2 KiB
Diff
216 lines
6.2 KiB
Diff
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diff --git a/drivers/video/fbdev/core/bootsplash_render.c b/drivers/video/fbdev/core/bootsplash_render.c
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index 8c09c306ff67..07e3a4eab811 100644
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--- a/drivers/video/fbdev/core/bootsplash_render.c
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+++ b/drivers/video/fbdev/core/bootsplash_render.c
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@@ -155,6 +155,7 @@ void bootsplash_do_render_pictures(struct fb_info *info,
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for (i = 0; i < fp->header->num_pics; i++) {
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struct splash_blob_priv *bp;
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struct splash_pic_priv *pp = &fp->pics[i];
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+ const struct splash_pic_header *ph = pp->pic_header;
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long dst_xoff, dst_yoff;
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if (pp->blobs_loaded < 1)
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@@ -165,8 +166,139 @@ void bootsplash_do_render_pictures(struct fb_info *info,
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if (!bp || bp->blob_header->type != 0)
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continue;
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- dst_xoff = (info->var.xres - pp->pic_header->width) / 2;
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- dst_yoff = (info->var.yres - pp->pic_header->height) / 2;
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+ switch (ph->position) {
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+ case SPLASH_POS_FLAG_CORNER | SPLASH_CORNER_TOP_LEFT:
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+ dst_xoff = 0;
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+ dst_yoff = 0;
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+
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+ dst_xoff += ph->position_offset;
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+ dst_yoff += ph->position_offset;
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+ break;
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+ case SPLASH_POS_FLAG_CORNER | SPLASH_CORNER_TOP:
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+ dst_xoff = info->var.xres - pp->pic_header->width;
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+ dst_xoff /= 2;
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+ dst_yoff = 0;
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+
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+ dst_yoff += ph->position_offset;
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+ break;
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+ case SPLASH_POS_FLAG_CORNER | SPLASH_CORNER_TOP_RIGHT:
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+ dst_xoff = info->var.xres - pp->pic_header->width;
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+ dst_yoff = 0;
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+
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+ dst_xoff -= ph->position_offset;
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+ dst_yoff += ph->position_offset;
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+ break;
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+ case SPLASH_POS_FLAG_CORNER | SPLASH_CORNER_RIGHT:
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+ dst_xoff = info->var.xres - pp->pic_header->width;
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+ dst_yoff = info->var.yres - pp->pic_header->height;
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+ dst_yoff /= 2;
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+
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+ dst_xoff -= ph->position_offset;
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+ break;
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+ case SPLASH_POS_FLAG_CORNER | SPLASH_CORNER_BOTTOM_RIGHT:
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+ dst_xoff = info->var.xres - pp->pic_header->width;
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+ dst_yoff = info->var.yres - pp->pic_header->height;
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+
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+ dst_xoff -= ph->position_offset;
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+ dst_yoff -= ph->position_offset;
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+ break;
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+ case SPLASH_POS_FLAG_CORNER | SPLASH_CORNER_BOTTOM:
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+ dst_xoff = info->var.xres - pp->pic_header->width;
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+ dst_xoff /= 2;
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+ dst_yoff = info->var.yres - pp->pic_header->height;
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+
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+ dst_yoff -= ph->position_offset;
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+ break;
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+ case SPLASH_POS_FLAG_CORNER | SPLASH_CORNER_BOTTOM_LEFT:
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+ dst_xoff = 0 + ph->position_offset;
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+ dst_yoff = info->var.yres - pp->pic_header->height
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+ - ph->position_offset;
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+ break;
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+ case SPLASH_POS_FLAG_CORNER | SPLASH_CORNER_LEFT:
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+ dst_xoff = 0;
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+ dst_yoff = info->var.yres - pp->pic_header->height;
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+ dst_yoff /= 2;
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+
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+ dst_xoff += ph->position_offset;
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+ break;
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+
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+ case SPLASH_CORNER_TOP_LEFT:
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+ dst_xoff = info->var.xres - pp->pic_header->width;
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+ dst_xoff /= 2;
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+ dst_yoff = info->var.yres - pp->pic_header->height;
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+ dst_yoff /= 2;
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+
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+ dst_xoff -= ph->position_offset;
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+ dst_yoff -= ph->position_offset;
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+ break;
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+ case SPLASH_CORNER_TOP:
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+ dst_xoff = info->var.xres - pp->pic_header->width;
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+ dst_xoff /= 2;
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+ dst_yoff = info->var.yres - pp->pic_header->height;
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+ dst_yoff /= 2;
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+
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+ dst_yoff -= ph->position_offset;
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+ break;
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+ case SPLASH_CORNER_TOP_RIGHT:
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+ dst_xoff = info->var.xres - pp->pic_header->width;
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+ dst_xoff /= 2;
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+ dst_yoff = info->var.yres - pp->pic_header->height;
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+ dst_yoff /= 2;
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+
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+ dst_xoff += ph->position_offset;
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+ dst_yoff -= ph->position_offset;
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+ break;
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+ case SPLASH_CORNER_RIGHT:
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+ dst_xoff = info->var.xres - pp->pic_header->width;
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+ dst_xoff /= 2;
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+ dst_yoff = info->var.yres - pp->pic_header->height;
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+ dst_yoff /= 2;
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+
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+ dst_xoff += ph->position_offset;
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+ break;
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+ case SPLASH_CORNER_BOTTOM_RIGHT:
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+ dst_xoff = info->var.xres - pp->pic_header->width;
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+ dst_xoff /= 2;
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+ dst_yoff = info->var.yres - pp->pic_header->height;
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+ dst_yoff /= 2;
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+
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+ dst_xoff += ph->position_offset;
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+ dst_yoff += ph->position_offset;
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+ break;
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+ case SPLASH_CORNER_BOTTOM:
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+ dst_xoff = info->var.xres - pp->pic_header->width;
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+ dst_xoff /= 2;
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+ dst_yoff = info->var.yres - pp->pic_header->height;
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+ dst_yoff /= 2;
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+
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+ dst_yoff += ph->position_offset;
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+ break;
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+ case SPLASH_CORNER_BOTTOM_LEFT:
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+ dst_xoff = info->var.xres - pp->pic_header->width;
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+ dst_xoff /= 2;
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+ dst_yoff = info->var.yres - pp->pic_header->height;
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+ dst_yoff /= 2;
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+
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+ dst_xoff -= ph->position_offset;
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+ dst_yoff += ph->position_offset;
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+ break;
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+ case SPLASH_CORNER_LEFT:
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+ dst_xoff = info->var.xres - pp->pic_header->width;
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+ dst_xoff /= 2;
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+ dst_yoff = info->var.yres - pp->pic_header->height;
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+ dst_yoff /= 2;
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+
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+ dst_xoff -= ph->position_offset;
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+ break;
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+
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+ default:
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+ /* As a fallback, center the picture. */
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+ dst_xoff = info->var.xres - pp->pic_header->width;
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+ dst_xoff /= 2;
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+ dst_yoff = info->var.yres - pp->pic_header->height;
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+ dst_yoff /= 2;
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+ break;
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+ }
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if (dst_xoff < 0
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|| dst_yoff < 0
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diff --git a/include/uapi/linux/bootsplash_file.h b/include/uapi/linux/bootsplash_file.h
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index 89dc9cca8f0c..71cedcc68933 100644
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--- a/include/uapi/linux/bootsplash_file.h
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+++ b/include/uapi/linux/bootsplash_file.h
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@@ -91,7 +91,32 @@ struct splash_pic_header {
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*/
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uint8_t num_blobs;
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- uint8_t padding[27];
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+ /*
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+ * Corner to move the picture to / from.
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+ * 0x00 - Top left
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+ * 0x01 - Top
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+ * 0x02 - Top right
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+ * 0x03 - Right
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+ * 0x04 - Bottom right
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+ * 0x05 - Bottom
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+ * 0x06 - Bottom left
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+ * 0x07 - Left
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+ *
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+ * Flags:
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+ * 0x10 - Calculate offset from the corner towards the center,
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+ * rather than from the center towards the corner
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+ */
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+ uint8_t position;
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+
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+ /*
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+ * Pixel offset from the selected position.
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+ * Example: If the picture is in the top right corner, it will
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+ * be placed position_offset pixels from the top and
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+ * position_offset pixels from the right margin.
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+ */
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+ uint16_t position_offset;
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+
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+ uint8_t padding[24];
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} __attribute__((__packed__));
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@@ -115,4 +140,22 @@ struct splash_blob_header {
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uint8_t padding[9];
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} __attribute__((__packed__));
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+
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+
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+
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+/*
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+ * Enums for on-disk types
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+ */
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+enum splash_position {
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+ SPLASH_CORNER_TOP_LEFT = 0,
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+ SPLASH_CORNER_TOP = 1,
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+ SPLASH_CORNER_TOP_RIGHT = 2,
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+ SPLASH_CORNER_RIGHT = 3,
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+ SPLASH_CORNER_BOTTOM_RIGHT = 4,
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+ SPLASH_CORNER_BOTTOM = 5,
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+ SPLASH_CORNER_BOTTOM_LEFT = 6,
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+ SPLASH_CORNER_LEFT = 7,
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+ SPLASH_POS_FLAG_CORNER = 0x10,
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+};
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+
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#endif
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