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137 lines
3.2 KiB
137 lines
3.2 KiB
/*-*- linux-c -*- |
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* linux/drivers/video/savage/savage_accel.c -- Hardware Acceleration |
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* |
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* Copyright (C) 2004 Antonino Daplas<[email protected]> |
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* All Rights Reserved |
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* |
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* This file is subject to the terms and conditions of the GNU General Public |
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* License. See the file COPYING in the main directory of this archive for |
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* more details. |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/string.h> |
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#include <linux/fb.h> |
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#include <linux/module.h> |
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#include "savagefb.h" |
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static u32 savagefb_rop[] = { |
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0xCC, /* ROP_COPY */ |
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0x5A /* ROP_XOR */ |
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}; |
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int savagefb_sync(struct fb_info *info) |
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{ |
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struct savagefb_par *par = info->par; |
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par->SavageWaitIdle(par); |
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return 0; |
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} |
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void savagefb_copyarea(struct fb_info *info, const struct fb_copyarea *region) |
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{ |
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struct savagefb_par *par = info->par; |
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int sx = region->sx, dx = region->dx; |
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int sy = region->sy, dy = region->dy; |
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int cmd; |
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if (!region->width || !region->height) |
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return; |
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par->bci_ptr = 0; |
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cmd = BCI_CMD_RECT | BCI_CMD_DEST_GBD | BCI_CMD_SRC_GBD; |
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BCI_CMD_SET_ROP(cmd, savagefb_rop[0]); |
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if (dx <= sx) { |
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cmd |= BCI_CMD_RECT_XP; |
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} else { |
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sx += region->width - 1; |
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dx += region->width - 1; |
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} |
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if (dy <= sy) { |
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cmd |= BCI_CMD_RECT_YP; |
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} else { |
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sy += region->height - 1; |
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dy += region->height - 1; |
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} |
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par->SavageWaitFifo(par,4); |
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BCI_SEND(cmd); |
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BCI_SEND(BCI_X_Y(sx, sy)); |
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BCI_SEND(BCI_X_Y(dx, dy)); |
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BCI_SEND(BCI_W_H(region->width, region->height)); |
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} |
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void savagefb_fillrect(struct fb_info *info, const struct fb_fillrect *rect) |
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{ |
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struct savagefb_par *par = info->par; |
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int cmd, color; |
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if (!rect->width || !rect->height) |
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return; |
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if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) |
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color = rect->color; |
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else |
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color = ((u32 *)info->pseudo_palette)[rect->color]; |
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cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP | |
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BCI_CMD_DEST_GBD | BCI_CMD_SRC_SOLID | |
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BCI_CMD_SEND_COLOR; |
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par->bci_ptr = 0; |
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BCI_CMD_SET_ROP(cmd, savagefb_rop[rect->rop]); |
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par->SavageWaitFifo(par,4); |
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BCI_SEND(cmd); |
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BCI_SEND(color); |
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BCI_SEND( BCI_X_Y(rect->dx, rect->dy) ); |
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BCI_SEND( BCI_W_H(rect->width, rect->height) ); |
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} |
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void savagefb_imageblit(struct fb_info *info, const struct fb_image *image) |
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{ |
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struct savagefb_par *par = info->par; |
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int fg, bg, size, i, width; |
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int cmd; |
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u32 *src = (u32 *) image->data; |
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if (!image->width || !image->height) |
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return; |
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if (image->depth != 1) { |
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cfb_imageblit(info, image); |
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return; |
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} |
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if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) { |
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fg = image->fg_color; |
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bg = image->bg_color; |
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} else { |
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fg = ((u32 *)info->pseudo_palette)[image->fg_color]; |
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bg = ((u32 *)info->pseudo_palette)[image->bg_color]; |
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} |
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cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP | |
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BCI_CMD_CLIP_LR | BCI_CMD_DEST_GBD | BCI_CMD_SRC_MONO | |
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BCI_CMD_SEND_COLOR; |
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par->bci_ptr = 0; |
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BCI_CMD_SET_ROP(cmd, savagefb_rop[0]); |
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width = (image->width + 31) & ~31; |
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size = (width * image->height)/8; |
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size >>= 2; |
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par->SavageWaitFifo(par, size + 5); |
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BCI_SEND(cmd); |
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BCI_SEND(BCI_CLIP_LR(image->dx, image->dx + image->width - 1)); |
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BCI_SEND(fg); |
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BCI_SEND(bg); |
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BCI_SEND(BCI_X_Y(image->dx, image->dy)); |
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BCI_SEND(BCI_W_H(width, image->height)); |
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for (i = 0; i < size; i++) |
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BCI_SEND(src[i]); |
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} |
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MODULE_LICENSE("GPL");
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