From patchwork Mon May 25 01:48:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Glass X-Patchwork-Id: 246419 List-Id: U-Boot discussion From: sjg at chromium.org (Simon Glass) Date: Sun, 24 May 2020 19:48:51 -0600 Subject: [PATCH v2 14/26] video: Update truetype console to support copy buffer In-Reply-To: <20200525014904.115621-1-sjg@chromium.org> References: <20200525014904.115621-1-sjg@chromium.org> Message-ID: <20200524194852.v2.14.I7b2b4487cb81658022e283a2676803ae1bc173ff@changeid> 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 --- Changes in v2: None drivers/video/console_truetype.c | 43 +++++++++++++++++++++++--------- 1 file changed, 31 insertions(+), 12 deletions(-) diff --git a/drivers/video/console_truetype.c b/drivers/video/console_truetype.c index 5f7f03904b..22b2ea7191 100644 --- a/drivers/video/console_truetype.c +++ b/drivers/video/console_truetype.c @@ -127,9 +127,9 @@ static int console_truetype_set_row(struct udevice *dev, uint row, int clr) { struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent); struct console_tt_priv *priv = dev_get_priv(dev); - void *line; + void *end, *line; int pixels = priv->font_size * vid_priv->line_length; - int i; + int i, ret; line = vid_priv->fb + row * priv->font_size * vid_priv->line_length; switch (vid_priv->bpix) { @@ -139,6 +139,7 @@ static int console_truetype_set_row(struct udevice *dev, uint row, int clr) for (i = 0; i < pixels; i++) *dst++ = clr; + end = dst; break; } #endif @@ -148,6 +149,7 @@ static int console_truetype_set_row(struct udevice *dev, uint row, int clr) for (i = 0; i < pixels; i++) *dst++ = clr; + end = dst; break; } #endif @@ -157,12 +159,16 @@ static int console_truetype_set_row(struct udevice *dev, uint row, int clr) for (i = 0; i < pixels; i++) *dst++ = clr; + end = dst; break; } #endif default: return -ENOSYS; } + ret = vidconsole_sync_copy(dev, line, end); + if (ret) + return ret; return 0; } @@ -174,11 +180,14 @@ static int console_truetype_move_rows(struct udevice *dev, uint rowdst, struct console_tt_priv *priv = dev_get_priv(dev); void *dst; void *src; - int i, diff; + int i, diff, ret; dst = vid_priv->fb + rowdst * priv->font_size * vid_priv->line_length; src = vid_priv->fb + rowsrc * priv->font_size * vid_priv->line_length; - memmove(dst, src, priv->font_size * vid_priv->line_length * count); + ret = vidconsole_memmove(dev, dst, src, priv->font_size * + vid_priv->line_length * count); + if (ret) + return ret; /* Scroll up our position history */ diff = (rowsrc - rowdst) * priv->font_size; @@ -203,8 +212,8 @@ static int console_truetype_putc_xy(struct udevice *dev, uint x, uint y, struct pos_info *pos; u8 *bits, *data; int advance; - void *line; - int row; + void *start, *end, *line; + int row, ret; /* First get some basic metrics about this character */ stbtt_GetCodepointHMetrics(font, ch, &advance, &lsb); @@ -253,11 +262,12 @@ static int console_truetype_putc_xy(struct udevice *dev, uint x, uint y, /* Figure out where to write the character in the frame buffer */ bits = data; - line = vid_priv->fb + y * vid_priv->line_length + + start = vid_priv->fb + y * vid_priv->line_length + VID_TO_PIXEL(x) * VNBYTES(vid_priv->bpix); linenum = priv->baseline + yoff; if (linenum > 0) - line += linenum * vid_priv->line_length; + start += linenum * vid_priv->line_length; + line = start; /* * Write a row at a time, converting the 8bpp image into the colour @@ -286,6 +296,7 @@ static int console_truetype_putc_xy(struct udevice *dev, uint x, uint y, *dst++ &= out; bits++; } + end = dst; break; } #endif @@ -307,6 +318,7 @@ static int console_truetype_putc_xy(struct udevice *dev, uint x, uint y, *dst++ &= out; bits++; } + end = dst; break; } #endif @@ -317,6 +329,9 @@ static int console_truetype_putc_xy(struct udevice *dev, uint x, uint y, line += vid_priv->line_length; } + ret = vidconsole_sync_copy(dev, start, line); + if (ret) + return ret; free(data); return width_frac; @@ -340,12 +355,13 @@ static int console_truetype_erase(struct udevice *dev, int xstart, int ystart, int xend, int yend, int clr) { struct video_priv *vid_priv = dev_get_uclass_priv(dev->parent); - void *line; + void *start, *line; int pixels = xend - xstart; - int row, i; + int row, i, ret; - line = vid_priv->fb + ystart * vid_priv->line_length; - line += xstart * VNBYTES(vid_priv->bpix); + start = vid_priv->fb + ystart * vid_priv->line_length; + start += xstart * VNBYTES(vid_priv->bpix); + line = start; for (row = ystart; row < yend; row++) { switch (vid_priv->bpix) { #ifdef CONFIG_VIDEO_BPP8 @@ -380,6 +396,9 @@ static int console_truetype_erase(struct udevice *dev, int xstart, int ystart, } line += vid_priv->line_length; } + ret = vidconsole_sync_copy(dev, start, line); + if (ret) + return ret; return 0; }