static void color_imageblit(const struct fb_image *image, struct fb_info *p, void *dst1, u32 start_index, u32 pitch_index) { /* Draw the penguin */ u32 *dst, *dst2; u32 color = 0, val, shift; int i, n, bpp = p->var.bits_per_pixel; u32 null_bits = 32 - bpp; u32 *palette = (u32 *) p->pseudo_palette; const u8 *src = image->data; dst2 = dst1; for (i = image->height; i--; ) { n = image->width; dst = dst1; shift = 0; val = 0; if (start_index) { u32 start_mask = ~(FB_SHIFT_HIGH(p, ~(u32)0, start_index)); val = *dst & start_mask; shift = start_index; } while (n--) { if (p->fix.visual == FB_VISUAL_TRUECOLOR || p->fix.visual == FB_VISUAL_DIRECTCOLOR ) color = palette[*src]; else color = *src; color <<= FB_LEFT_POS(p, bpp); val |= FB_SHIFT_HIGH(p, color, shift); if (shift >= null_bits) { *dst++ = val; val = (shift == null_bits) ? 0 : FB_SHIFT_LOW(p, color, 32 - shift); } shift += bpp; shift &= (32 - 1); src++; } if (shift) { u32 end_mask = FB_SHIFT_HIGH(p, ~(u32)0, shift); *dst &= end_mask; *dst |= val; } dst1 += p->fix.line_length; if (pitch_index) { dst2 += p->fix.line_length; dst1 = (u8 *)((long)dst2 & ~(sizeof(u32) - 1)); start_index += pitch_index; start_index &= 32 - 1; } } }
static inline void color_imageblit(const struct fb_image *image, struct fb_info *p, u8 __iomem *dst1, u32 start_index, u32 pitch_index) { /* Draw the penguin */ u32 __iomem *dst, *dst2; u32 color = 0, val, shift; int i, n, bpp = p->var.bits_per_pixel; u32 null_bits = 32 - bpp; u32 *palette = (u32 *) p->pseudo_palette; const u8 *src = image->data; u32 bswapmask = fb_compute_bswapmask(p); dst2 = (u32 __iomem *) dst1; for (i = image->height; i--; ) { n = image->width; dst = (u32 __iomem *) dst1; shift = 0; val = 0; if (start_index) { u32 start_mask = ~fb_shifted_pixels_mask_u32(p, start_index, bswapmask); val = FB_READL(dst) & start_mask; shift = start_index; } while (n--) { if (p->fix.visual == FB_VISUAL_TRUECOLOR || p->fix.visual == FB_VISUAL_DIRECTCOLOR ) color = palette[*src]; else color = *src; color <<= FB_LEFT_POS(p, bpp); val |= FB_SHIFT_HIGH(p, color, shift ^ bswapmask); if (shift >= null_bits) { FB_WRITEL(val, dst++); val = (shift == null_bits) ? 0 : FB_SHIFT_LOW(p, color, 32 - shift); } shift += bpp; shift &= (32 - 1); src++; } if (shift) { u32 end_mask = fb_shifted_pixels_mask_u32(p, shift, bswapmask); FB_WRITEL((FB_READL(dst) & end_mask) | val, dst); } dst1 += p->fix.line_length; if (pitch_index) { dst2 += p->fix.line_length; dst1 = (u8 __iomem *)((long __force)dst2 & ~(sizeof(u32) - 1)); start_index += pitch_index; start_index &= 32 - 1; } } }
static void slow_imageblit(const struct fb_image *image, struct fb_info *p, void *dst1, u32 fgcolor, u32 bgcolor, u32 start_index, u32 pitch_index) { u32 shift, color = 0, bpp = p->var.bits_per_pixel; u32 *dst, *dst2; u32 val, pitch = p->fix.line_length; u32 null_bits = 32 - bpp; u32 spitch = (image->width+7)/8; const u8 *src = image->data, *s; u32 i, j, l; dst2 = dst1; fgcolor <<= FB_LEFT_POS(p, bpp); bgcolor <<= FB_LEFT_POS(p, bpp); for (i = image->height; i--; ) { shift = val = 0; l = 8; j = image->width; dst = dst1; s = src; /* write leading bits */ if (start_index) { u32 start_mask = ~(FB_SHIFT_HIGH(p, ~(u32)0, start_index)); val = *dst & start_mask; shift = start_index; } while (j--) { l--; color = (*s & (1 << l)) ? fgcolor : bgcolor; val |= FB_SHIFT_HIGH(p, color, shift); /* Did the bitshift spill bits to the next long? */ if (shift >= null_bits) { *dst++ = val; val = (shift == null_bits) ? 0 : FB_SHIFT_LOW(p, color, 32 - shift); } shift += bpp; shift &= (32 - 1); if (!l) { l = 8; s++; } } /* write trailing bits */ if (shift) { u32 end_mask = FB_SHIFT_HIGH(p, ~(u32)0, shift); *dst &= end_mask; *dst |= val; } dst1 += pitch; src += spitch; if (pitch_index) { dst2 += pitch; dst1 = (u8 *)((long)dst2 & ~(sizeof(u32) - 1)); start_index += pitch_index; start_index &= 32 - 1; } } }
static inline void slow_imageblit(const struct fb_image *image, struct fb_info *p, u8 __iomem *dst1, u32 fgcolor, u32 bgcolor, u32 start_index, u32 pitch_index) { u32 shift, color = 0, bpp = p->var.bits_per_pixel; u32 __iomem *dst, *dst2; u32 val, pitch = p->fix.line_length; u32 null_bits = 32 - bpp; u32 spitch = (image->width+7)/8; const u8 *src = image->data, *s; u32 i, j, l; u32 bswapmask = fb_compute_bswapmask(p); dst2 = (u32 __iomem *) dst1; fgcolor <<= FB_LEFT_POS(p, bpp); bgcolor <<= FB_LEFT_POS(p, bpp); for (i = image->height; i--; ) { shift = val = 0; l = 8; j = image->width; dst = (u32 __iomem *) dst1; s = src; /* write leading bits */ if (start_index) { u32 start_mask = ~fb_shifted_pixels_mask_u32(p, start_index, bswapmask); val = FB_READL(dst) & start_mask; shift = start_index; } while (j--) { l--; color = (*s & (1 << l)) ? fgcolor : bgcolor; val |= FB_SHIFT_HIGH(p, color, shift ^ bswapmask); /* Did the bitshift spill bits to the next long? */ if (shift >= null_bits) { FB_WRITEL(val, dst++); val = (shift == null_bits) ? 0 : FB_SHIFT_LOW(p, color, 32 - shift); } shift += bpp; shift &= (32 - 1); if (!l) { l = 8; s++; }; } /* write trailing bits */ if (shift) { u32 end_mask = fb_shifted_pixels_mask_u32(p, shift, bswapmask); FB_WRITEL((FB_READL(dst) & end_mask) | val, dst); } dst1 += pitch; src += spitch; if (pitch_index) { dst2 += pitch; dst1 = (u8 __iomem *)((long __force)dst2 & ~(sizeof(u32) - 1)); start_index += pitch_index; start_index &= 32 - 1; } } }