mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-12-28 23:09:43 +03:00
Possibly slightly faster bitmap plotter.
svn path=/trunk/netsurf/; revision=6647
This commit is contained in:
Michael Drake
parent
7af238ab7f
commit
6b064b526c
@ -33,14 +33,14 @@
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static inline uint16_t *
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fb_16bpp_get_xy_loc(int x, int y)
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{
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return (void *)(framebuffer->ptr +
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(y * framebuffer->linelen) +
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return (void *)(framebuffer->ptr +
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(y * framebuffer->linelen) +
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(x << 1));
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}
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static inline colour fb_16bpp_to_colour(uint16_t pixel)
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{
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return ((pixel & 0x1F) << 19) |
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return ((pixel & 0x1F) << 19) |
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((pixel & 0x7E0) << 5) |
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((pixel & 0xF800) >> 8);
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}
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@ -114,7 +114,7 @@ static bool fb_16bpp_line(int x0, int y0, int x1, int y1, int width,
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x = dyabs >> 1;
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y = dxabs >> 1;
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if (dxabs >= dyabs) {
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if (dxabs >= dyabs) {
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/* the line is more horizontal than vertical */
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for (i = 0; i <= dxabs; i++) {
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*pvideo = ent;
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@ -139,7 +139,7 @@ static bool fb_16bpp_line(int x0, int y0, int x1, int y1, int width,
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}
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}
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}
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}
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@ -240,7 +240,7 @@ fb_16bpp_draw_ft_bitmap(FT_Bitmap *bp, int x, int y, colour c)
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uint32_t fgcol;
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/* The part of the scaled image actually displayed is cropped to the
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* current context.
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* current context.
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*/
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x0 = x;
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y0 = y;
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@ -269,7 +269,7 @@ fb_16bpp_draw_ft_bitmap(FT_Bitmap *bp, int x, int y, colour c)
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abpixel = (pixel[((yoff + yloop) * bp->pitch) + xloop + xoff] << 24) | fgcol;
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if ((abpixel & 0xFF000000) != 0) {
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if ((abpixel & 0xFF000000) != 0xFF000000) {
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abpixel = fb_plotters_ablend(abpixel,
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abpixel = fb_plotters_ablend(abpixel,
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fb_16bpp_to_colour(*(pvideo + xloop)));
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}
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@ -301,17 +301,17 @@ static bool fb_16bpp_text(int x, int y, const struct css_style *style,
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if (glyph->format == FT_GLYPH_FORMAT_BITMAP) {
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bglyph = (FT_BitmapGlyph)glyph;
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/* now, draw to our target surface */
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/* now, draw to our target surface */
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if (bglyph->bitmap.pixel_mode == FT_PIXEL_MODE_MONO) {
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fb_16bpp_draw_ft_monobitmap(&bglyph->bitmap,
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x + bglyph->left,
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fb_16bpp_draw_ft_monobitmap(&bglyph->bitmap,
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x + bglyph->left,
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y - bglyph->top,
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c);
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c);
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} else {
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fb_16bpp_draw_ft_bitmap(&bglyph->bitmap,
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x + bglyph->left,
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fb_16bpp_draw_ft_bitmap(&bglyph->bitmap,
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x + bglyph->left,
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y - bglyph->top,
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c);
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c);
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}
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}
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x += glyph->advance.x >> 16;
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@ -341,7 +341,7 @@ static bool fb_16bpp_text(int x, int y, const struct css_style *style,
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/* aquire thge text in local font encoding */
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utf8_to_font_encoding(fb_font, text, length, (char **)&buffer);
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if (!buffer)
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if (!buffer)
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return true;
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length = strlen((char *)buffer);
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@ -350,7 +350,7 @@ static bool fb_16bpp_text(int x, int y, const struct css_style *style,
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y-=((fb_font->height * 75)/100);
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y+=1; /* the coord is the bottom-left of the pixels offset by 1 to make
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* it work since fb coords are the top-left of pixels
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* it work since fb coords are the top-left of pixels
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*/
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/* The part of the text displayed is cropped to the current context. */
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@ -380,7 +380,7 @@ static bool fb_16bpp_text(int x, int y, const struct css_style *style,
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if ((x + fb_font->width) > x1)
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break;
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if (x < x0)
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if (x < x0)
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continue;
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pvideo = fb_16bpp_get_xy_loc(x, y0);
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@ -432,11 +432,11 @@ static bool fb_16bpp_bitmap(int x, int y, int width, int height,
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int x0,y0,x1,y1;
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int xoff, yoff; /* x and y offset into image */
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/* LOG(("x %d, y %d, width %d, height %d, bitmap %p, content %p",
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/* LOG(("x %d, y %d, width %d, height %d, bitmap %p, content %p",
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x,y,width,height,bitmap,content));*/
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/* TODO here we should scale the image from bitmap->width to width, for
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* now simply crop.
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* now simply crop.
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*/
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if (width > bitmap->width)
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width = bitmap->width;
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@ -445,7 +445,7 @@ static bool fb_16bpp_bitmap(int x, int y, int width, int height,
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height = bitmap->height;
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/* The part of the scaled image actually displayed is cropped to the
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* current context.
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* current context.
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*/
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x0 = x;
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y0 = y;
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@ -462,17 +462,18 @@ static bool fb_16bpp_bitmap(int x, int y, int width, int height,
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width = (x1 - x0);
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xoff = x0 - x;
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yoff = y0 - y;
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yoff = (y0 - y) * bitmap->width;
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height *= bitmap->width;
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/* plot the image */
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pvideo = fb_16bpp_get_xy_loc(x0, y0);
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for (yloop = 0; yloop < height; yloop++) {
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for (yloop = yoff; yloop < height; yloop += bitmap->width) {
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for (xloop = 0; xloop < width; xloop++) {
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abpixel = pixel[((yoff + yloop) * bitmap->width) + xloop + xoff];
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abpixel = pixel[yloop + xloop + xoff];
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if ((abpixel & 0xFF000000) != 0) {
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if ((abpixel & 0xFF000000) != 0xFF000000) {
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abpixel = fb_plotters_ablend(abpixel,
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abpixel = fb_plotters_ablend(abpixel,
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fb_16bpp_to_colour(*(pvideo + xloop)));
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}
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@ -490,7 +491,7 @@ static bool fb_16bpp_bitmap_tile(int x, int y, int width, int height,
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bool repeat_x, bool repeat_y,
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struct content *content)
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{
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return fb_plotters_bitmap_tile(x, y, width, height,
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return fb_plotters_bitmap_tile(x, y, width, height,
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bitmap, bg, repeat_x, repeat_y,
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content, fb_16bpp_bitmap);
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}
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@ -33,16 +33,16 @@
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static inline uint32_t *
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fb_32bpp_get_xy_loc(int x, int y)
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{
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return (uint32_t *)(framebuffer->ptr +
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(y * framebuffer->linelen) +
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return (uint32_t *)(framebuffer->ptr +
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(y * framebuffer->linelen) +
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(x << 2));
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}
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#if __BYTE_ORDER == __BIG_ENDIAN
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static inline colour fb_32bpp_to_colour(uint32_t pixel)
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{
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return ((pixel & 0xFF00) >> 8) |
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((pixel & 0xFF0000) >> 8) |
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return ((pixel & 0xFF00) >> 8) |
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((pixel & 0xFF0000) >> 8) |
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((pixel & 0xFF000000) >> 8);
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}
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@ -54,8 +54,8 @@ static inline uint32_t fb_colour_to_pixel(colour c)
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#else
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static inline colour fb_32bpp_to_colour(uint32_t pixel)
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{
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return ((pixel & 0xFF) << 16) |
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((pixel & 0xFF00)) |
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return ((pixel & 0xFF) << 16) |
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((pixel & 0xFF00)) |
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((pixel & 0xFF0000) >> 16);
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}
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@ -121,7 +121,7 @@ static bool fb_32bpp_line(int x0, int y0, int x1, int y1, int width,
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x = dyabs >> 1;
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y = dxabs >> 1;
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if (dxabs >= dyabs) {
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if (dxabs >= dyabs) {
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/* the line is more horizontal than vertical */
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for (i = 0; i <= dxabs; i++) {
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*pvideo = ent;
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@ -146,7 +146,7 @@ static bool fb_32bpp_line(int x0, int y0, int x1, int y1, int width,
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}
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}
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}
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}
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return true;
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@ -191,7 +191,7 @@ static bool fb_32bpp_fill(int x0, int y0, int x1, int y1, colour c)
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pvid = fb_32bpp_get_xy_loc(x0, y0);
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while (height-- > 0) {
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for (w = width; w > 0; w--) *pvid++ = ent;
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for (w = width; w > 0; w--) *pvid++ = ent;
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pvid += llen;
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}
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@ -200,10 +200,10 @@ static bool fb_32bpp_fill(int x0, int y0, int x1, int y1, colour c)
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static bool fb_32bpp_clg(colour c)
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{
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fb_32bpp_fill(fb_plot_ctx.x0,
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fb_plot_ctx.y0,
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fb_plot_ctx.x1,
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fb_plot_ctx.y1,
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fb_32bpp_fill(fb_plot_ctx.x0,
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fb_plot_ctx.y0,
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fb_plot_ctx.x1,
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fb_plot_ctx.y1,
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c);
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return true;
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}
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@ -234,7 +234,7 @@ fb_32bpp_draw_ft_monobitmap(FT_Bitmap *bp, int x, int y, colour c)
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y+=1; /* the coord is the bottom-left of the pixels offset by 1 to make
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* it work since fb coords are the top-left of pixels
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* it work since fb coords are the top-left of pixels
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*/
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/* The part of the text displayed is cropped to the current context. */
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@ -267,16 +267,16 @@ fb_32bpp_draw_ft_monobitmap(FT_Bitmap *bp, int x, int y, colour c)
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if ((xloop % 8) == 0) {
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row = *fntd++;
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}
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if ((row & 0x80) != 0) {
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*(pvideo + xloop) = fgcol;
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}
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}
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row = row << 1;
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}
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pvideo += (framebuffer->linelen >> 2);
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}
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return true;
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}
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@ -295,7 +295,7 @@ fb_32bpp_draw_ft_bitmap(FT_Bitmap *bp, int x, int y, colour c)
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uint32_t fgcol;
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/* The part of the scaled image actually displayed is cropped to the
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* current context.
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* current context.
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*/
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x0 = x;
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y0 = y;
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@ -325,7 +325,7 @@ fb_32bpp_draw_ft_bitmap(FT_Bitmap *bp, int x, int y, colour c)
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if ((abpixel & 0xFF000000) != 0) {
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/* pixel is not transparent */
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if ((abpixel & 0xFF000000) != 0xFF000000) {
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abpixel = fb_plotters_ablend(abpixel,
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abpixel = fb_plotters_ablend(abpixel,
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fb_32bpp_to_colour(*(pvideo + xloop)));
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}
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@ -351,23 +351,23 @@ static bool fb_32bpp_text(int x, int y, const struct css_style *style,
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nxtchr = utf8_next(text, length, nxtchr);
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glyph = fb_getglyph(style, ucs4);
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if (glyph == NULL)
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if (glyph == NULL)
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continue;
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if (glyph->format == FT_GLYPH_FORMAT_BITMAP) {
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bglyph = (FT_BitmapGlyph)glyph;
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/* now, draw to our target surface */
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/* now, draw to our target surface */
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if (bglyph->bitmap.pixel_mode == FT_PIXEL_MODE_MONO) {
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fb_32bpp_draw_ft_monobitmap(&bglyph->bitmap,
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x + bglyph->left,
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fb_32bpp_draw_ft_monobitmap(&bglyph->bitmap,
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x + bglyph->left,
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y - bglyph->top,
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c);
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c);
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} else {
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fb_32bpp_draw_ft_bitmap(&bglyph->bitmap,
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x + bglyph->left,
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fb_32bpp_draw_ft_bitmap(&bglyph->bitmap,
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x + bglyph->left,
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y - bglyph->top,
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c);
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c);
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}
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}
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x += glyph->advance.x >> 16;
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@ -395,7 +395,7 @@ static bool fb_32bpp_text(int x, int y, const struct css_style *style,
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/* aquire thge text in local font encoding */
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utf8_to_font_encoding(fb_font, text, length, (char**)&buffer);
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if (!buffer)
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if (!buffer)
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return true;
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length = strlen((char *)buffer);
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@ -404,7 +404,7 @@ static bool fb_32bpp_text(int x, int y, const struct css_style *style,
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y-=((fb_font->height * 75)/100);
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y+=1; /* the coord is the bottom-left of the pixels offset by 1 to make
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* it work since fb coords are the top-left of pixels
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* it work since fb coords are the top-left of pixels
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*/
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/* The part of the text displayed is cropped to the current context. */
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@ -434,7 +434,7 @@ static bool fb_32bpp_text(int x, int y, const struct css_style *style,
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if ((x + fb_font->width) > x1)
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break;
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if (x < x0)
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if (x < x0)
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continue;
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pvideo = fb_32bpp_get_xy_loc(x, y0);
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@ -478,7 +478,7 @@ static inline colour ablend(colour pixel)
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static bool fb_32bpp_bitmap(int x, int y, int width, int height,
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struct bitmap *bitmap, colour bg,
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struct bitmap *bitmap, colour bg,
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struct content *content)
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{
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uint32_t *pvideo;
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@ -488,11 +488,11 @@ static bool fb_32bpp_bitmap(int x, int y, int width, int height,
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int x0,y0,x1,y1;
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int xoff, yoff; /* x and y offset into image */
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/* LOG(("x %d, y %d, width %d, height %d, bitmap %p, content %p",
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/* LOG(("x %d, y %d, width %d, height %d, bitmap %p, content %p",
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x,y,width,height,bitmap,content));*/
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/* TODO here we should scale the image from bitmap->width to width, for
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* now simply crop.
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* now simply crop.
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*/
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if (width > bitmap->width)
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width = bitmap->width;
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@ -501,7 +501,7 @@ static bool fb_32bpp_bitmap(int x, int y, int width, int height,
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height = bitmap->height;
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/* The part of the scaled image actually displayed is cropped to the
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* current context.
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* current context.
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*/
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x0 = x;
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y0 = y;
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@ -518,17 +518,18 @@ static bool fb_32bpp_bitmap(int x, int y, int width, int height,
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width = (x1 - x0);
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xoff = x0 - x;
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yoff = y0 - y;
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yoff = (y0 - y) * bitmap->width;
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height *= bitmap->width;
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/* plot the image */
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pvideo = fb_32bpp_get_xy_loc(x0, y0);
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for (yloop = 0; yloop < height; yloop++) {
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for (yloop = yoff; yloop < height; yloop += bitmap->width) {
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for (xloop = 0; xloop < width; xloop++) {
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abpixel = pixel[((yoff + yloop) * bitmap->width) + xloop + xoff];
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abpixel = pixel[yloop + xloop + xoff];
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if ((abpixel & 0xFF000000) != 0) {
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if ((abpixel & 0xFF000000) != 0xFF000000) {
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abpixel = fb_plotters_ablend(abpixel,
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abpixel = fb_plotters_ablend(abpixel,
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fb_32bpp_to_colour(*(pvideo + xloop)));
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}
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@ -544,10 +545,10 @@ static bool fb_32bpp_bitmap(int x, int y, int width, int height,
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static bool fb_32bpp_bitmap_tile(int x, int y, int width, int height,
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struct bitmap *bitmap, colour bg,
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bool repeat_x, bool repeat_y,
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bool repeat_x, bool repeat_y,
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struct content *content)
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{
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return fb_plotters_bitmap_tile(x, y, width, height,
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return fb_plotters_bitmap_tile(x, y, width, height,
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bitmap, bg, repeat_x, repeat_y,
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content, fb_32bpp_bitmap);
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}
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@ -578,7 +579,7 @@ const struct plotter_table framebuffer_32bpp_plot = {
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.arc = fb_32bpp_arc,
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.bitmap = fb_32bpp_bitmap,
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.bitmap_tile = fb_32bpp_bitmap_tile,
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.flush = fb_32bpp_flush,
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.flush = fb_32bpp_flush,
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.path = fb_32bpp_path,
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.option_knockout = true,
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};
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