ofwfb: Implement vd_bitblt_text_t

MFC after:	1 week

1 files changed, 64 insertions, 9 deletions

diff --git a/sys/dev/vt/hw/ofwfb/ofwfb.c b/sys/dev/vt/hw/ofwfb/ofwfb.c
index 6efd9de..bae16fb 100644
--- a/sys/dev/vt/hw/ofwfb/ofwfb.c
+++ b/sys/dev/vt/hw/ofwfb/ofwfb.c
@@ -58,14 +58,14 @@ struct ofwfb_softc {
 
 static vd_probe_t	ofwfb_probe;
 static vd_init_t	ofwfb_init;
-static vd_bitbltchr_t	ofwfb_bitbltchr;
+static vd_bitblt_text_t	ofwfb_bitblt_text;
 
 static const struct vt_driver vt_ofwfb_driver = {
 	.vd_name	= "ofwfb",
 	.vd_probe	= ofwfb_probe,
 	.vd_init	= ofwfb_init,
 	.vd_blank	= vt_fb_blank,
-	.vd_bitbltchr	= ofwfb_bitbltchr,
+	.vd_bitblt_text	= ofwfb_bitblt_text,
 	.vd_fb_ioctl	= vt_fb_ioctl,
 	.vd_fb_mmap	= vt_fb_mmap,
 	.vd_priority	= VD_PRIORITY_GENERIC+1,
@@ -100,9 +100,10 @@ ofwfb_probe(struct vt_device *vd)
 }
 
 static void
-ofwfb_bitbltchr(struct vt_device *vd, const uint8_t *src, const uint8_t *mask,
-    int bpl, vt_axis_t top, vt_axis_t left, unsigned int width,
-    unsigned int height, term_color_t fg, term_color_t bg)
+ofwfb_bitblt_bitmap(struct vt_device *vd, const struct vt_window *vw,
+    const uint8_t *pattern, const uint8_t *mask,
+    unsigned int width, unsigned int height,
+    unsigned int x, unsigned int y, term_color_t fg, term_color_t bg)
 {
 	struct fb_info *sc = vd->vd_softc;
 	u_long line;
@@ -119,15 +120,15 @@ ofwfb_bitbltchr(struct vt_device *vd, const uint8_t *src, const uint8_t *mask,
 	b = m = 0;
 
 	/* Don't try to put off screen pixels */
-	if (((left + width) > vd->vd_width) || ((top + height) >
+	if (((x + width) > vd->vd_width) || ((y + height) >
 	    vd->vd_height))
 		return;
 
-	line = (sc->fb_stride * top) + left * sc->fb_bpp/8;
+	line = (sc->fb_stride * y) + x * sc->fb_bpp/8;
 	if (mask == NULL && sc->fb_bpp == 8 && (width % 8 == 0)) {
 		for (; height > 0; height--) {
 			for (c = 0; c < width; c += 8) {
-				b = *src++;
+				b = *pattern++;
 
 				/*
 				 * Assume that there is more background than
@@ -160,7 +161,7 @@ ofwfb_bitbltchr(struct vt_device *vd, const uint8_t *src, const uint8_t *mask,
 		for (; height > 0; height--) {
 			for (c = 0; c < width; c++) {
 				if (c % 8 == 0)
-					b = *src++;
+					b = *pattern++;
 				else
 					b <<= 1;
 				if (mask != NULL) {
@@ -191,6 +192,60 @@ ofwfb_bitbltchr(struct vt_device *vd, const uint8_t *src, const uint8_t *mask,
 	}
 }
 
+void
+ofwfb_bitblt_text(struct vt_device *vd, const struct vt_window *vw,
+    const term_rect_t *area)
+{
+	unsigned int col, row, x, y;
+	struct vt_font *vf;
+	term_char_t c;
+	term_color_t fg, bg;
+	const uint8_t *pattern;
+
+	vf = vw->vw_font;
+
+	for (row = area->tr_begin.tp_row; row < area->tr_end.tp_row; ++row) {
+		for (col = area->tr_begin.tp_col; col < area->tr_end.tp_col;
+		    ++col) {
+			x = col * vf->vf_width + vw->vw_offset.tp_col;
+			y = row * vf->vf_height + vw->vw_offset.tp_row;
+
+			c = VTBUF_GET_FIELD(&vw->vw_buf, row, col);
+			pattern = vtfont_lookup(vf, c);
+			vt_determine_colors(c,
+			    VTBUF_ISCURSOR(&vw->vw_buf, row, col), &fg, &bg);
+
+			ofwfb_bitblt_bitmap(vd, vw,
+			    pattern, NULL, vf->vf_width, vf->vf_height,
+			    x, y, fg, bg);
+		}
+	}
+
+#ifndef SC_NO_CUTPASTE
+	if (!vd->vd_mshown)
+		return;
+
+	term_rect_t drawn_area;
+
+	drawn_area.tr_begin.tp_col = area->tr_begin.tp_col * vf->vf_width +
+	    vw->vw_offset.tp_col;
+	drawn_area.tr_begin.tp_row = area->tr_begin.tp_row * vf->vf_height +
+	    vw->vw_offset.tp_row;
+	drawn_area.tr_end.tp_col = area->tr_end.tp_col * vf->vf_width +
+	    vw->vw_offset.tp_col;
+	drawn_area.tr_end.tp_row = area->tr_end.tp_row * vf->vf_height +
+	    vw->vw_offset.tp_row;
+
+	if (vt_is_cursor_in_area(vd, &drawn_area)) {
+		ofwfb_bitblt_bitmap(vd, vw,
+		    vd->vd_mcursor->map, vd->vd_mcursor->mask,
+		    vd->vd_mcursor->width, vd->vd_mcursor->height,
+		    vd->vd_mx_drawn, vd->vd_my_drawn,
+		    vd->vd_mcursor_fg, vd->vd_mcursor_bg);
+	}
+#endif
+}
+
 static void
 ofwfb_initialize(struct vt_device *vd)
 {