2009-08-28 Vladimir Serbinenko <phcoder@gmail.com>
1-bit optimised blitters. * include/grub/fbblit.h (grub_video_fbblit_replace_32bit_1bit): New prototype. (grub_video_fbblit_replace_24bit_1bit): Likewise. (grub_video_fbblit_replace_16bit_1bit): Likewise. (grub_video_fbblit_replace_8bit_1bit): Likewise. (grub_video_fbblit_blend_XXXA8888_1bit): Likewise. (grub_video_fbblit_blend_XXX888_1bit): Likewise. (grub_video_fbblit_blend_XXX565_1bit): Likewise. * video/fb/fbblit.c (grub_video_fbblit_replace_32bit_1bit): New function. (grub_video_fbblit_replace_24bit_1bit): Likewise. (grub_video_fbblit_replace_16bit_1bit): Likewise. (grub_video_fbblit_replace_8bit_1bit): Likewise. (grub_video_fbblit_blend_XXXA8888_1bit): Likewise. (grub_video_fbblit_blend_XXX888_1bit): Likewise. (grub_video_fbblit_blend_XXX565_1bit): Likewise. * video/fb/video_fb.c (common_blitter): Use 1-bit optimised blitters when possible. * video/video.c (grub_video_get_blit_format): Return GRUB_VIDEO_BLIT_FORMAT_1BIT_PACKED if bpp = 1.
This commit is contained in:
phcoder
parent
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5 changed files with 728 additions and 0 deletions
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@ -90,6 +90,302 @@ grub_video_fbblit_replace_directN (struct grub_video_fbblit_info *dst,
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}
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}
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/* Optimized replacing blitter for 1-bit to 32bit. */
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void
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grub_video_fbblit_replace_32bit_1bit (struct grub_video_fbblit_info *dst,
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struct grub_video_fbblit_info *src,
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int x, int y,
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int width, int height,
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int offset_x, int offset_y)
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{
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int i;
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int j;
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grub_uint8_t *srcptr;
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grub_uint8_t *dstptr;
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grub_uint8_t srcmask;
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unsigned int dstrowskip;
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unsigned int srcrowskipbyte, srcrowskipbit;
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grub_uint32_t fgcolor, bgcolor;
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int bit_index;
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/* Calculate the number of bytes to advance from the end of one line
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to the beginning of the next line. */
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dstrowskip = dst->mode_info->pitch - dst->mode_info->bytes_per_pixel * width;
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srcrowskipbyte = (src->mode_info->width - width) >> 3;
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srcrowskipbit = (src->mode_info->width - width) & 7;
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bit_index = offset_y * src->mode_info->width + offset_x;
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srcptr = (grub_uint8_t *) src->data + (bit_index >> 3);
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srcmask = 1 << (~bit_index & 7);
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dstptr = (grub_uint8_t *) grub_video_fb_get_video_ptr (dst, x, y);
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fgcolor = grub_video_fb_map_rgba (src->mode_info->fg_red,
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src->mode_info->fg_green,
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src->mode_info->fg_blue,
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src->mode_info->fg_alpha);
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bgcolor = grub_video_fb_map_rgba (src->mode_info->bg_red,
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src->mode_info->bg_green,
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src->mode_info->bg_blue,
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src->mode_info->bg_alpha);
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for (j = 0; j < height; j++)
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{
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for (i = 0; i < width; i++)
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{
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if (*srcptr & srcmask)
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*(grub_uint32_t *) dstptr = fgcolor;
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else
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*(grub_uint32_t *) dstptr = bgcolor;
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srcmask >>= 1;
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if (!srcmask)
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{
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srcptr++;
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srcmask = 0x80;
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}
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dstptr += 4;
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}
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srcptr += srcrowskipbyte;
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if (srcmask >> srcrowskipbit)
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srcmask >>= srcrowskipbit;
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else
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{
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srcptr++;
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srcmask <<= 8 - srcrowskipbit;
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}
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dstptr += dstrowskip;
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}
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}
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/* Optimized replacing blitter for 1-bit to 24-bit. */
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void
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grub_video_fbblit_replace_24bit_1bit (struct grub_video_fbblit_info *dst,
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struct grub_video_fbblit_info *src,
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int x, int y,
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int width, int height,
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int offset_x, int offset_y)
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{
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int i;
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int j;
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grub_uint8_t *srcptr;
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grub_uint8_t *dstptr;
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grub_uint8_t srcmask;
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unsigned int dstrowskip;
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unsigned int srcrowskipbyte, srcrowskipbit;
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grub_uint32_t fgcolor, bgcolor;
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int bit_index;
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/* Calculate the number of bytes to advance from the end of one line
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to the beginning of the next line. */
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dstrowskip = dst->mode_info->pitch - dst->mode_info->bytes_per_pixel * width;
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srcrowskipbyte = (src->mode_info->width - width) >> 3;
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srcrowskipbit = (src->mode_info->width - width) & 7;
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bit_index = offset_y * src->mode_info->width + offset_x;
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srcptr = (grub_uint8_t *) src->data + (bit_index >> 3);
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srcmask = 1 << (~bit_index & 7);
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dstptr = (grub_uint8_t *) grub_video_fb_get_video_ptr (dst, x, y);
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fgcolor = grub_video_fb_map_rgba (src->mode_info->fg_red,
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src->mode_info->fg_green,
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src->mode_info->fg_blue,
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src->mode_info->fg_alpha);
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bgcolor = grub_video_fb_map_rgba (src->mode_info->bg_red,
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src->mode_info->bg_green,
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src->mode_info->bg_blue,
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src->mode_info->bg_alpha);
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for (j = 0; j < height; j++)
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{
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for (i = 0; i < width - 1; i++)
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{
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if (*srcptr & srcmask)
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*(grub_uint32_t *) dstptr = fgcolor;
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else
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*(grub_uint32_t *) dstptr = bgcolor;
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srcmask >>= 1;
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if (!srcmask)
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{
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srcptr++;
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srcmask = 0x80;
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}
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dstptr += 3;
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}
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if (*srcptr & srcmask)
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{
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*dstptr++ = fgcolor & 0xff;
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*dstptr++ = (fgcolor & 0xff00) >> 8;
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*dstptr++ = (fgcolor & 0xff0000) >> 16;
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}
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else
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{
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*dstptr++ = bgcolor & 0xff;
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*dstptr++ = (bgcolor & 0xff00) >> 8;
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*dstptr++ = (bgcolor & 0xff0000) >> 16;
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}
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srcmask >>= 1;
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if (!srcmask)
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{
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srcptr++;
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srcmask = 0x80;
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}
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srcptr += srcrowskipbyte;
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if (srcmask >> srcrowskipbit)
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srcmask >>= srcrowskipbit;
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else
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{
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srcptr++;
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srcmask <<= 8 - srcrowskipbit;
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}
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dstptr += dstrowskip;
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}
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}
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/* Optimized replacing blitter for 1-bit to 16-bit. */
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void
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grub_video_fbblit_replace_16bit_1bit (struct grub_video_fbblit_info *dst,
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struct grub_video_fbblit_info *src,
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int x, int y,
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int width, int height,
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int offset_x, int offset_y)
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{
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int i;
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int j;
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grub_uint8_t *srcptr;
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grub_uint8_t *dstptr;
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grub_uint8_t srcmask;
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unsigned int dstrowskip;
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unsigned int srcrowskipbyte, srcrowskipbit;
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grub_uint16_t fgcolor, bgcolor;
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int bit_index;
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/* Calculate the number of bytes to advance from the end of one line
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to the beginning of the next line. */
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dstrowskip = dst->mode_info->pitch - dst->mode_info->bytes_per_pixel * width;
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srcrowskipbyte = (src->mode_info->width - width) >> 3;
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srcrowskipbit = (src->mode_info->width - width) & 7;
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bit_index = offset_y * src->mode_info->width + offset_x;
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srcptr = (grub_uint8_t *) src->data + (bit_index >> 3);
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srcmask = 1 << (~bit_index & 7);
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dstptr = (grub_uint8_t *) grub_video_fb_get_video_ptr (dst, x, y);
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fgcolor = grub_video_fb_map_rgba (src->mode_info->fg_red,
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src->mode_info->fg_green,
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src->mode_info->fg_blue,
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src->mode_info->fg_alpha);
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bgcolor = grub_video_fb_map_rgba (src->mode_info->bg_red,
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src->mode_info->bg_green,
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src->mode_info->bg_blue,
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src->mode_info->bg_alpha);
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for (j = 0; j < height; j++)
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{
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for (i = 0; i < width; i++)
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{
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if (*srcptr & srcmask)
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*(grub_uint16_t *) dstptr = fgcolor;
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else
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*(grub_uint16_t *) dstptr = bgcolor;
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srcmask >>= 1;
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if (!srcmask)
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{
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srcptr++;
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srcmask = 0x80;
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}
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dstptr += 2;
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}
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srcptr += srcrowskipbyte;
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if (srcmask >> srcrowskipbit)
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srcmask >>= srcrowskipbit;
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else
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{
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srcptr++;
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srcmask <<= 8 - srcrowskipbit;
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}
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dstptr += dstrowskip;
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}
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}
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/* Optimized replacing blitter for 1-bit to 8-bit. */
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void
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grub_video_fbblit_replace_8bit_1bit (struct grub_video_fbblit_info *dst,
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struct grub_video_fbblit_info *src,
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int x, int y,
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int width, int height,
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int offset_x, int offset_y)
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{
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int i;
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int j;
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grub_uint8_t *srcptr;
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grub_uint8_t *dstptr;
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grub_uint8_t srcmask;
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unsigned int dstrowskip;
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unsigned int srcrowskipbyte, srcrowskipbit;
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grub_uint8_t fgcolor, bgcolor;
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int bit_index;
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/* Calculate the number of bytes to advance from the end of one line
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to the beginning of the next line. */
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dstrowskip = dst->mode_info->pitch - dst->mode_info->bytes_per_pixel * width;
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srcrowskipbyte = (src->mode_info->width - width) >> 3;
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srcrowskipbit = (src->mode_info->width - width) & 7;
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bit_index = offset_y * src->mode_info->width + offset_x;
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srcptr = (grub_uint8_t *) src->data + (bit_index >> 3);
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srcmask = 1 << (~bit_index & 7);
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dstptr = (grub_uint8_t *) grub_video_fb_get_video_ptr (dst, x, y);
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fgcolor = grub_video_fb_map_rgba (src->mode_info->fg_red,
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src->mode_info->fg_green,
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src->mode_info->fg_blue,
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src->mode_info->fg_alpha);
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bgcolor = grub_video_fb_map_rgba (src->mode_info->bg_red,
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src->mode_info->bg_green,
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src->mode_info->bg_blue,
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src->mode_info->bg_alpha);
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for (j = 0; j < height; j++)
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{
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for (i = 0; i < width; i++)
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{
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if (*srcptr & srcmask)
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*(grub_uint8_t *) dstptr = fgcolor;
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else
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*(grub_uint8_t *) dstptr = bgcolor;
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srcmask >>= 1;
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if (!srcmask)
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{
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srcptr++;
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srcmask = 0x80;
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}
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dstptr++;
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}
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srcptr += srcrowskipbyte;
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if (srcmask >> srcrowskipbit)
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srcmask >>= srcrowskipbit;
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else
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{
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srcptr++;
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srcmask <<= 8 - srcrowskipbit;
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}
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dstptr += dstrowskip;
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}
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}
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/* Optimized replacing blitter for RGBX8888 to BGRX8888. */
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void
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grub_video_fbblit_replace_BGRX8888_RGBX8888 (struct grub_video_fbblit_info *dst,
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@ -826,3 +1122,294 @@ grub_video_fbblit_blend_index_RGBA8888 (struct grub_video_fbblit_info *dst,
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}
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}
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}
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/* Optimized blending blitter for 1-bit to XXXA8888. */
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void
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grub_video_fbblit_blend_XXXA8888_1bit (struct grub_video_fbblit_info *dst,
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struct grub_video_fbblit_info *src,
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int x, int y,
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int width, int height,
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int offset_x, int offset_y)
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{
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int i;
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int j;
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grub_uint8_t *srcptr;
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grub_uint8_t *dstptr;
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grub_uint8_t srcmask;
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unsigned int dstrowskip;
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unsigned int srcrowskipbyte, srcrowskipbit;
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grub_uint32_t fgcolor, bgcolor;
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int bit_index;
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/* Calculate the number of bytes to advance from the end of one line
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to the beginning of the next line. */
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dstrowskip = dst->mode_info->pitch - dst->mode_info->bytes_per_pixel * width;
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srcrowskipbyte = (src->mode_info->width - width) >> 3;
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srcrowskipbit = (src->mode_info->width - width) & 7;
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bit_index = offset_y * src->mode_info->width + offset_x;
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srcptr = (grub_uint8_t *) src->data + (bit_index >> 3);
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srcmask = 1 << (~bit_index & 7);
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dstptr = (grub_uint8_t *) grub_video_fb_get_video_ptr (dst, x, y);
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fgcolor = grub_video_fb_map_rgba (src->mode_info->fg_red,
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src->mode_info->fg_green,
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src->mode_info->fg_blue,
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src->mode_info->fg_alpha);
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bgcolor = grub_video_fb_map_rgba (src->mode_info->bg_red,
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src->mode_info->bg_green,
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src->mode_info->bg_blue,
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src->mode_info->bg_alpha);
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for (j = 0; j < height; j++)
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{
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for (i = 0; i < width; i++)
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{
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grub_uint32_t color;
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grub_uint8_t a;
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if (*srcptr & srcmask)
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color = fgcolor;
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else
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color = bgcolor;
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a = (color >> 24) & 0xff;
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if (a == 255)
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*(grub_uint32_t *) dstptr = color;
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else if (a != 0)
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{
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grub_uint8_t s1 = (color >> 0) & 0xFF;
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grub_uint8_t s2 = (color >> 8) & 0xFF;
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grub_uint8_t s3 = (color >> 16) & 0xFF;
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grub_uint8_t d1 = (*(grub_uint32_t *) dstptr >> 0) & 0xFF;
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grub_uint8_t d2 = (*(grub_uint32_t *) dstptr >> 8) & 0xFF;
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grub_uint8_t d3 = (*(grub_uint32_t *) dstptr >> 16) & 0xFF;
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d1 = (d1 * (255 - a) + s1 * a) / 255;
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d2 = (d2 * (255 - a) + s2 * a) / 255;
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d3 = (d3 * (255 - a) + s3 * a) / 255;
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*(grub_uint32_t *) dstptr = (a << 24) | (d3 << 16) | (d2 << 8)
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| d1;
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}
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srcmask >>= 1;
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if (!srcmask)
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{
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srcptr++;
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srcmask = 0x80;
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}
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dstptr += 4;
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}
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srcptr += srcrowskipbyte;
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if (srcmask >> srcrowskipbit)
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srcmask >>= srcrowskipbit;
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else
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{
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srcptr++;
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srcmask <<= 8 - srcrowskipbit;
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}
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dstptr += dstrowskip;
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}
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}
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/* Optimized blending blitter for 1-bit to XXX888. */
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void
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grub_video_fbblit_blend_XXX888_1bit (struct grub_video_fbblit_info *dst,
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struct grub_video_fbblit_info *src,
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int x, int y,
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int width, int height,
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int offset_x, int offset_y)
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{
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int i;
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int j;
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grub_uint8_t *srcptr;
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grub_uint8_t *dstptr;
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grub_uint8_t srcmask;
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unsigned int dstrowskip;
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unsigned int srcrowskipbyte, srcrowskipbit;
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grub_uint32_t fgcolor, bgcolor;
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int bit_index;
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/* Calculate the number of bytes to advance from the end of one line
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to the beginning of the next line. */
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dstrowskip = dst->mode_info->pitch - dst->mode_info->bytes_per_pixel * width;
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srcrowskipbyte = (src->mode_info->width - width) >> 3;
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srcrowskipbit = (src->mode_info->width - width) & 7;
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bit_index = offset_y * src->mode_info->width + offset_x;
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srcptr = (grub_uint8_t *) src->data + (bit_index >> 3);
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srcmask = 1 << (~bit_index & 7);
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dstptr = (grub_uint8_t *) grub_video_fb_get_video_ptr (dst, x, y);
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fgcolor = grub_video_fb_map_rgba (src->mode_info->fg_red,
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src->mode_info->fg_green,
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src->mode_info->fg_blue,
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src->mode_info->fg_alpha);
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bgcolor = grub_video_fb_map_rgba (src->mode_info->bg_red,
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||||
src->mode_info->bg_green,
|
||||
src->mode_info->bg_blue,
|
||||
src->mode_info->bg_alpha);
|
||||
|
||||
for (j = 0; j < height; j++)
|
||||
{
|
||||
for (i = 0; i < width; i++)
|
||||
{
|
||||
grub_uint32_t color;
|
||||
grub_uint8_t a;
|
||||
if (*srcptr & srcmask)
|
||||
{
|
||||
color = fgcolor;
|
||||
a = src->mode_info->fg_alpha;
|
||||
}
|
||||
else
|
||||
{
|
||||
color = bgcolor;
|
||||
a = src->mode_info->bg_alpha;
|
||||
}
|
||||
|
||||
if (a == 255)
|
||||
{
|
||||
((grub_uint8_t *) dstptr)[0] = color & 0xff;
|
||||
((grub_uint8_t *) dstptr)[1] = (color & 0xff00) >> 8;
|
||||
((grub_uint8_t *) dstptr)[2] = (color & 0xff0000) >> 16;
|
||||
}
|
||||
else if (a != 0)
|
||||
{
|
||||
grub_uint8_t s1 = (color >> 0) & 0xFF;
|
||||
grub_uint8_t s2 = (color >> 8) & 0xFF;
|
||||
grub_uint8_t s3 = (color >> 16) & 0xFF;
|
||||
|
||||
grub_uint8_t d1 = (*(grub_uint32_t *) dstptr >> 0) & 0xFF;
|
||||
grub_uint8_t d2 = (*(grub_uint32_t *) dstptr >> 8) & 0xFF;
|
||||
grub_uint8_t d3 = (*(grub_uint32_t *) dstptr >> 16) & 0xFF;
|
||||
|
||||
((grub_uint8_t *) dstptr)[0] = (d1 * (255 - a) + s1 * a) / 255;
|
||||
((grub_uint8_t *) dstptr)[1] = (d2 * (255 - a) + s2 * a) / 255;
|
||||
((grub_uint8_t *) dstptr)[2] = (d3 * (255 - a) + s3 * a) / 255;
|
||||
}
|
||||
|
||||
srcmask >>= 1;
|
||||
if (!srcmask)
|
||||
{
|
||||
srcptr++;
|
||||
srcmask = 0x80;
|
||||
}
|
||||
|
||||
dstptr += 3;
|
||||
}
|
||||
|
||||
srcptr += srcrowskipbyte;
|
||||
if (srcmask >> srcrowskipbit)
|
||||
srcmask >>= srcrowskipbit;
|
||||
else
|
||||
{
|
||||
srcptr++;
|
||||
srcmask <<= 8 - srcrowskipbit;
|
||||
}
|
||||
dstptr += dstrowskip;
|
||||
}
|
||||
}
|
||||
|
||||
/* Optimized blending blitter for 1-bit to XXX888. */
|
||||
void
|
||||
grub_video_fbblit_blend_XXX565_1bit (struct grub_video_fbblit_info *dst,
|
||||
struct grub_video_fbblit_info *src,
|
||||
int x, int y,
|
||||
int width, int height,
|
||||
int offset_x, int offset_y)
|
||||
{
|
||||
int i;
|
||||
int j;
|
||||
grub_uint8_t *srcptr;
|
||||
grub_uint8_t *dstptr;
|
||||
grub_uint8_t srcmask;
|
||||
unsigned int dstrowskip;
|
||||
unsigned int srcrowskipbyte, srcrowskipbit;
|
||||
grub_uint16_t fgcolor, bgcolor;
|
||||
int bit_index;
|
||||
|
||||
/* Calculate the number of bytes to advance from the end of one line
|
||||
to the beginning of the next line. */
|
||||
dstrowskip = dst->mode_info->pitch - dst->mode_info->bytes_per_pixel * width;
|
||||
srcrowskipbyte = (src->mode_info->width - width) >> 3;
|
||||
srcrowskipbit = (src->mode_info->width - width) & 7;
|
||||
|
||||
bit_index = offset_y * src->mode_info->width + offset_x;
|
||||
srcptr = (grub_uint8_t *) src->data + (bit_index >> 3);
|
||||
srcmask = 1 << (~bit_index & 7);
|
||||
dstptr = (grub_uint8_t *) grub_video_fb_get_video_ptr (dst, x, y);
|
||||
|
||||
fgcolor = grub_video_fb_map_rgba (src->mode_info->fg_red,
|
||||
src->mode_info->fg_green,
|
||||
src->mode_info->fg_blue,
|
||||
src->mode_info->fg_alpha);
|
||||
|
||||
bgcolor = grub_video_fb_map_rgba (src->mode_info->bg_red,
|
||||
src->mode_info->bg_green,
|
||||
src->mode_info->bg_blue,
|
||||
src->mode_info->bg_alpha);
|
||||
|
||||
for (j = 0; j < height; j++)
|
||||
{
|
||||
for (i = 0; i < width; i++)
|
||||
{
|
||||
grub_uint32_t color;
|
||||
grub_uint8_t a;
|
||||
if (*srcptr & srcmask)
|
||||
{
|
||||
color = fgcolor;
|
||||
a = src->mode_info->fg_alpha;
|
||||
}
|
||||
else
|
||||
{
|
||||
color = bgcolor;
|
||||
a = src->mode_info->bg_alpha;
|
||||
}
|
||||
|
||||
if (a == 255)
|
||||
*(grub_uint16_t *) dstptr = color;
|
||||
else if (a != 0)
|
||||
{
|
||||
grub_uint8_t s1 = (color >> 0) & 0x1F;
|
||||
grub_uint8_t s2 = (color >> 5) & 0x3F;
|
||||
grub_uint8_t s3 = (color >> 11) & 0x1F;
|
||||
|
||||
grub_uint8_t d1 = (*(grub_uint16_t *) dstptr >> 0) & 0x1F;
|
||||
grub_uint8_t d2 = (*(grub_uint16_t *) dstptr >> 5) & 0x3F;
|
||||
grub_uint8_t d3 = (*(grub_uint16_t *) dstptr >> 11) & 0x1F;
|
||||
|
||||
d1 = (d1 * (255 - a) + s1 * a) / 255;
|
||||
d2 = (d2 * (255 - a) + s2 * a) / 255;
|
||||
d3 = (d3 * (255 - a) + s3 * a) / 255;
|
||||
|
||||
*(grub_uint16_t *) dstptr = (d1 & 0x1f) | ((d2 & 0x3f) << 5)
|
||||
| ((d3 & 0x1f) << 11);
|
||||
}
|
||||
|
||||
srcmask >>= 1;
|
||||
if (!srcmask)
|
||||
{
|
||||
srcptr++;
|
||||
srcmask = 0x80;
|
||||
}
|
||||
|
||||
dstptr += 2;
|
||||
}
|
||||
|
||||
srcptr += srcrowskipbyte;
|
||||
if (srcmask >> srcrowskipbit)
|
||||
srcmask >>= srcrowskipbit;
|
||||
else
|
||||
{
|
||||
srcptr++;
|
||||
srcmask <<= 8 - srcrowskipbit;
|
||||
}
|
||||
dstptr += dstrowskip;
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue