From patchwork Tue May 19 23:10:47 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Glass X-Patchwork-Id: 246053 List-Id: U-Boot discussion From: sjg at chromium.org (Simon Glass) Date: Tue, 19 May 2020 17:10:47 -0600 Subject: [PATCH 15/26] video: Update rotated console to support copy buffer In-Reply-To: <20200519231058.19945-1-sjg@chromium.org> References: <20200519231058.19945-1-sjg@chromium.org> Message-ID: <20200519231058.19945-16-sjg@chromium.org> Update the implementation to keep a track of what it changes in the frame buffer and then tell the copy buffer about it. Use the special vidconsole_memmove() helper so that memmove() operations are also reflected in the copy buffer. Signed-off-by: Simon Glass Reviewed-by: Anatolij Gustschin --- drivers/video/console_rotate.c | 83 ++++++++++++++++++++++++---------- 1 file changed, 60 insertions(+), 23 deletions(-) diff --git a/drivers/video/console_rotate.c b/drivers/video/console_rotate.c index da0ce7b9ce..36c8d0609d 100644 --- a/drivers/video/console_rotate.c +++ b/drivers/video/console_rotate.c @@ -15,11 +15,13 @@ static int console_set_row_1(struct udevice *dev, uint row, int clr) { struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent); int pbytes = VNBYTES(vid_priv->bpix); - void *line; + void *start, *line; int i, j; + int ret; - line = vid_priv->fb + vid_priv->line_length - + start = vid_priv->fb + vid_priv->line_length - (row + 1) * VIDEO_FONT_HEIGHT * pbytes; + line = start; for (j = 0; j < vid_priv->ysize; j++) { switch (vid_priv->bpix) { case VIDEO_BPP8: @@ -51,6 +53,9 @@ static int console_set_row_1(struct udevice *dev, uint row, int clr) } line += vid_priv->line_length; } + ret = vidconsole_sync_copy(dev, start, line); + if (ret) + return ret; return 0; } @@ -62,7 +67,7 @@ static int console_move_rows_1(struct udevice *dev, uint rowdst, uint rowsrc, int pbytes = VNBYTES(vid_priv->bpix); void *dst; void *src; - int j; + int j, ret; dst = vid_priv->fb + vid_priv->line_length - (rowdst + count) * VIDEO_FONT_HEIGHT * pbytes; @@ -70,7 +75,10 @@ static int console_move_rows_1(struct udevice *dev, uint rowdst, uint rowsrc, (rowsrc + count) * VIDEO_FONT_HEIGHT * pbytes; for (j = 0; j < vid_priv->ysize; j++) { - memmove(dst, src, VIDEO_FONT_HEIGHT * pbytes * count); + ret = vidconsole_memmove(dev, dst, src, + VIDEO_FONT_HEIGHT * pbytes * count); + if (ret) + return ret; src += vid_priv->line_length; dst += vid_priv->line_length; } @@ -85,13 +93,14 @@ static int console_putc_xy_1(struct udevice *dev, uint x_frac, uint y, char ch) struct video_priv *vid_priv = dev_get_uclass_priv(vid); uchar *pfont = video_fontdata + (u8)ch * VIDEO_FONT_HEIGHT; int pbytes = VNBYTES(vid_priv->bpix); - int i, col, x, linenum; + int i, col, x, linenum, ret; int mask = 0x80; - void *line; + void *start, *line; linenum = VID_TO_PIXEL(x_frac) + 1; x = y + 1; - line = vid_priv->fb + linenum * vid_priv->line_length - x * pbytes; + start = vid_priv->fb + linenum * vid_priv->line_length - x * pbytes; + line = start; if (x_frac + VID_TO_POS(vc_priv->x_charsize) > vc_priv->xsize_frac) return -EAGAIN; @@ -136,6 +145,10 @@ static int console_putc_xy_1(struct udevice *dev, uint x_frac, uint y, char ch) line += vid_priv->line_length; mask >>= 1; } + /* We draw backwards from 'start, so account for the first line */ + ret = vidconsole_sync_copy(dev, start - vid_priv->line_length, line); + if (ret) + return ret; return VID_TO_POS(VIDEO_FONT_WIDTH); } @@ -144,12 +157,13 @@ static int console_putc_xy_1(struct udevice *dev, uint x_frac, uint y, char ch) static int console_set_row_2(struct udevice *dev, uint row, int clr) { struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent); - void *line; + void *start, *line, *end; int pixels = VIDEO_FONT_HEIGHT * vid_priv->xsize; - int i; + int i, ret; - line = vid_priv->fb + vid_priv->ysize * vid_priv->line_length - + start = vid_priv->fb + vid_priv->ysize * vid_priv->line_length - (row + 1) * VIDEO_FONT_HEIGHT * vid_priv->line_length; + line = start; switch (vid_priv->bpix) { case VIDEO_BPP8: if (IS_ENABLED(CONFIG_VIDEO_BPP8)) { @@ -157,6 +171,7 @@ static int console_set_row_2(struct udevice *dev, uint row, int clr) for (i = 0; i < pixels; i++) *dst++ = clr; + end = dst; break; } case VIDEO_BPP16: @@ -165,6 +180,7 @@ static int console_set_row_2(struct udevice *dev, uint row, int clr) for (i = 0; i < pixels; i++) *dst++ = clr; + end = dst; break; } case VIDEO_BPP32: @@ -173,11 +189,15 @@ static int console_set_row_2(struct udevice *dev, uint row, int clr) for (i = 0; i < pixels; i++) *dst++ = clr; + end = dst; break; } default: return -ENOSYS; } + ret = vidconsole_sync_copy(dev, start, end); + if (ret) + return ret; return 0; } @@ -195,7 +215,8 @@ static int console_move_rows_2(struct udevice *dev, uint rowdst, uint rowsrc, vid_priv->line_length; src = end - (rowsrc + count) * VIDEO_FONT_HEIGHT * vid_priv->line_length; - memmove(dst, src, VIDEO_FONT_HEIGHT * vid_priv->line_length * count); + vidconsole_memmove(dev, dst, src, + VIDEO_FONT_HEIGHT * vid_priv->line_length * count); return 0; } @@ -206,14 +227,15 @@ static int console_putc_xy_2(struct udevice *dev, uint x_frac, uint y, char ch) struct udevice *vid = dev->parent; struct video_priv *vid_priv = dev_get_uclass_priv(vid); int pbytes = VNBYTES(vid_priv->bpix); - int i, row, x, linenum; - void *line; + int i, row, x, linenum, ret; + void *start, *line; if (x_frac + VID_TO_POS(vc_priv->x_charsize) > vc_priv->xsize_frac) return -EAGAIN; linenum = vid_priv->ysize - y - 1; x = vid_priv->xsize - VID_TO_PIXEL(x_frac) - 1; - line = vid_priv->fb + linenum * vid_priv->line_length + x * pbytes; + start = vid_priv->fb + linenum * vid_priv->line_length + x * pbytes; + line = start; for (row = 0; row < VIDEO_FONT_HEIGHT; row++) { unsigned int idx = (u8)ch * VIDEO_FONT_HEIGHT + row; @@ -261,6 +283,10 @@ static int console_putc_xy_2(struct udevice *dev, uint x_frac, uint y, char ch) } line -= vid_priv->line_length; } + /* Add 4 bytes to allow for the first pixel writen */ + ret = vidconsole_sync_copy(dev, start + 4, line); + if (ret) + return ret; return VID_TO_POS(VIDEO_FONT_WIDTH); } @@ -269,10 +295,11 @@ static int console_set_row_3(struct udevice *dev, uint row, int clr) { struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent); int pbytes = VNBYTES(vid_priv->bpix); - void *line; - int i, j; + void *start, *line; + int i, j, ret; - line = vid_priv->fb + row * VIDEO_FONT_HEIGHT * pbytes; + start = vid_priv->fb + row * VIDEO_FONT_HEIGHT * pbytes; + line = start; for (j = 0; j < vid_priv->ysize; j++) { switch (vid_priv->bpix) { case VIDEO_BPP8: @@ -304,6 +331,9 @@ static int console_set_row_3(struct udevice *dev, uint row, int clr) } line += vid_priv->line_length; } + ret = vidconsole_sync_copy(dev, start, line); + if (ret) + return ret; return 0; } @@ -315,13 +345,16 @@ static int console_move_rows_3(struct udevice *dev, uint rowdst, uint rowsrc, int pbytes = VNBYTES(vid_priv->bpix); void *dst; void *src; - int j; + int j, ret; dst = vid_priv->fb + rowdst * VIDEO_FONT_HEIGHT * pbytes; src = vid_priv->fb + rowsrc * VIDEO_FONT_HEIGHT * pbytes; for (j = 0; j < vid_priv->ysize; j++) { - memmove(dst, src, VIDEO_FONT_HEIGHT * pbytes * count); + ret = vidconsole_memmove(dev, dst, src, + VIDEO_FONT_HEIGHT * pbytes * count); + if (ret) + return ret; src += vid_priv->line_length; dst += vid_priv->line_length; } @@ -336,15 +369,15 @@ static int console_putc_xy_3(struct udevice *dev, uint x_frac, uint y, char ch) struct video_priv *vid_priv = dev_get_uclass_priv(vid); uchar *pfont = video_fontdata + (u8)ch * VIDEO_FONT_HEIGHT; int pbytes = VNBYTES(vid_priv->bpix); - int i, col, x; + int i, col, x, ret; int mask = 0x80; - void *line; + void *start, *line; if (x_frac + VID_TO_POS(vc_priv->x_charsize) > vc_priv->xsize_frac) return -EAGAIN; x = vid_priv->ysize - VID_TO_PIXEL(x_frac) - 1; - line = vid_priv->fb + x * vid_priv->line_length + y * pbytes; - + start = vid_priv->fb + x * vid_priv->line_length + y * pbytes; + line = start; for (col = 0; col < VIDEO_FONT_HEIGHT; col++) { switch (vid_priv->bpix) { case VIDEO_BPP8: @@ -386,6 +419,10 @@ static int console_putc_xy_3(struct udevice *dev, uint x_frac, uint y, char ch) line -= vid_priv->line_length; mask >>= 1; } + /* Add a line to allow for the first pixels writen */ + ret = vidconsole_sync_copy(dev, start + vid_priv->line_length, line); + if (ret) + return ret; return VID_TO_POS(VIDEO_FONT_WIDTH); }