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dpavlin |
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/* |
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* Copyright (C) 2003-2005 Anders Gavare. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. The name of the author may not be used to endorse or promote products |
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* derived from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* |
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dpavlin |
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* $Id: dev_fb.c,v 1.106 2005/08/14 11:14:38 debug Exp $ |
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dpavlin |
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* |
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* Generic framebuffer device. |
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* |
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* DECstation VFB01 monochrome framebuffer, 1024x864 |
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* DECstation VFB02 8-bit color framebuffer, 1024x864 |
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* DECstation Maxine, 1024x768 8-bit color |
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* HPCmips framebuffer |
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* Playstation 2 (24-bit color) |
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* generic (any resolution, several bit depths possible) |
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* |
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* |
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* TODO: There is still a bug when redrawing the cursor. The underlying |
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* image is moved 1 pixel (?), or something like that. |
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* |
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* TODO: This should actually be independant of X11, but that |
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* might be too hard to do right now. |
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* |
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* TODO: playstation 2 pixels are stored in another format, actually |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include "console.h" |
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#include "cpu.h" |
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#include "devices.h" |
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#include "machine.h" |
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#include "memory.h" |
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#include "misc.h" |
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#include "x11.h" |
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#ifdef WITH_X11 |
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#include <X11/Xlib.h> |
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#include <X11/Xos.h> |
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#include <X11/Xutil.h> |
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#endif |
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dpavlin |
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#define FB_TICK_SHIFT 19 |
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dpavlin |
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/* #define FB_DEBUG */ |
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/* |
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* set_grayscale_palette(): |
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* |
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* Fill d->rgb_palette with grayscale values. ncolors should |
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* be something like 2, 4, 16, or 256. |
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*/ |
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void set_grayscale_palette(struct vfb_data *d, int ncolors) |
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{ |
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int i, gray; |
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for (i=0; i<256; i++) { |
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gray = 255*i/(ncolors-1); |
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d->rgb_palette[i*3 + 0] = gray; |
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d->rgb_palette[i*3 + 1] = gray; |
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d->rgb_palette[i*3 + 2] = gray; |
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} |
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} |
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/* |
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* set_blackwhite_palette(): |
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* |
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* Set color 0 = black, all others to white. |
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*/ |
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void set_blackwhite_palette(struct vfb_data *d, int ncolors) |
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{ |
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int i, gray; |
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for (i=0; i<256; i++) { |
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gray = i==0? 0 : 255; |
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d->rgb_palette[i*3 + 0] = gray; |
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d->rgb_palette[i*3 + 1] = gray; |
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d->rgb_palette[i*3 + 2] = gray; |
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} |
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} |
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/* |
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dpavlin |
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* dev_fb_resize(): |
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* |
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* Resize a framebuffer window. (This functionality is probably a bit buggy, |
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* because I didn't think of including it from the start.) |
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*/ |
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void dev_fb_resize(struct vfb_data *d, int new_xsize, int new_ysize) |
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{ |
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unsigned char *new_framebuffer; |
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int y, new_bytes_per_line; |
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size_t size; |
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if (d == NULL) { |
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fatal("dev_fb_resize(): d == NULL\n"); |
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return; |
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} |
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new_bytes_per_line = new_xsize * d->bit_depth / 8; |
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size = new_ysize * new_bytes_per_line; |
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new_framebuffer = malloc(size); |
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if (new_framebuffer == NULL) { |
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fprintf(stderr, "dev_fb_resize(): out of memory\n"); |
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exit(1); |
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} |
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/* Copy the old framebuffer to the new: */ |
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if (d->framebuffer != NULL) { |
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for (y=0; y<new_ysize; y++) { |
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size_t fromofs = d->bytes_per_line * y; |
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size_t toofs = new_bytes_per_line * y; |
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size_t len_to_copy = d->bytes_per_line < |
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new_bytes_per_line? d->bytes_per_line |
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: new_bytes_per_line; |
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memset(new_framebuffer + toofs, 0, new_bytes_per_line); |
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if (y < d->x11_ysize) |
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memmove(new_framebuffer + toofs, |
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d->framebuffer + fromofs, len_to_copy); |
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} |
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free(d->framebuffer); |
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} |
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d->framebuffer = new_framebuffer; |
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d->framebuffer_size = size; |
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if (new_xsize > d->x11_xsize || new_ysize > d->x11_ysize) { |
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d->update_x1 = d->update_y1 = 0; |
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d->update_x2 = new_xsize - 1; |
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d->update_y2 = new_ysize - 1; |
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} |
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d->bytes_per_line = new_bytes_per_line; |
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d->x11_xsize = d->visible_xsize = new_xsize; |
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d->x11_ysize = d->visible_ysize = new_ysize; |
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#ifdef WITH_X11 |
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if (d->fb_window != NULL) |
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x11_fb_resize(d->fb_window, new_xsize, new_ysize); |
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#endif |
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} |
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/* |
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dpavlin |
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* dev_fb_setcursor(): |
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*/ |
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void dev_fb_setcursor(struct vfb_data *d, int cursor_x, int cursor_y, int on, |
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int cursor_xsize, int cursor_ysize) |
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{ |
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if (cursor_x < 0) |
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cursor_x = 0; |
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if (cursor_y < 0) |
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cursor_y = 0; |
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if (cursor_x + cursor_xsize >= d->xsize) |
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cursor_x = d->xsize - cursor_xsize; |
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if (cursor_y + cursor_ysize >= d->ysize) |
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cursor_y = d->ysize - cursor_ysize; |
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#ifdef WITH_X11 |
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if (d->fb_window != NULL) { |
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d->fb_window->cursor_x = cursor_x; |
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d->fb_window->cursor_y = cursor_y; |
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d->fb_window->cursor_on = on; |
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d->fb_window->cursor_xsize = cursor_xsize; |
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d->fb_window->cursor_ysize = cursor_ysize; |
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} |
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#endif |
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if (d->fb_window != NULL) |
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console_set_framebuffer_mouse(cursor_x, cursor_y, |
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d->fb_window->fb_number); |
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/* debug("dev_fb_setcursor(%i,%i, size %i,%i, on=%i)\n", |
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cursor_x, cursor_y, cursor_xsize, cursor_ysize, on); */ |
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} |
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/* |
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* framebuffer_blockcopyfill(): |
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* |
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* This function should be used by devices that are capable of doing |
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* block copy/fill. |
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* |
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* If fillflag is non-zero, then fill_[rgb] should contain the color |
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* with which to fill. |
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* |
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* If fillflag is zero, copy mode is used, and from_[xy] should contain |
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* the offset on the framebuffer where we should copy from. |
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* |
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* NOTE: Overlapping copies are undefined! |
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*/ |
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void framebuffer_blockcopyfill(struct vfb_data *d, int fillflag, int fill_r, |
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int fill_g, int fill_b, int x1, int y1, int x2, int y2, |
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int from_x, int from_y) |
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{ |
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int y; |
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long from_ofs, dest_ofs, linelen; |
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if (fillflag) |
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debug("framebuffer_blockcopyfill(FILL, %i,%i, %i,%i, " |
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"color %i,%i,%i)\n", x1,y1, x2,y2, fill_r, fill_g, fill_b); |
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else |
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debug("framebuffer_blockcopyfill(COPY, %i,%i, %i,%i, from " |
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"%i,%i)\n", x1,y1, x2,y2, from_x,from_y); |
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/* Clip x: */ |
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if (x1 < 0) x1 = 0; |
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if (x1 >= d->xsize) x1 = d->xsize-1; |
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if (x2 < 0) x2 = 0; |
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if (x2 >= d->xsize) x2 = d->xsize-1; |
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dest_ofs = d->bytes_per_line * y1 + (d->bit_depth/8) * x1; |
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linelen = (x2-x1 + 1) * (d->bit_depth/8); |
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/* NOTE: linelen is nr of bytes, not pixels */ |
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if (fillflag) { |
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for (y=y1; y<=y2; y++) { |
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if (y>=0 && y<d->ysize) { |
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int x; |
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char buf[8192 * 3]; |
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if (d->bit_depth == 24) |
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for (x=0; x<linelen; x+=3) { |
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buf[x] = fill_r; |
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buf[x+1] = fill_g; |
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buf[x+2] = fill_b; |
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} |
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else |
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printf("TODO: fill for non-24-bit" |
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" modes\n"); |
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memmove(d->framebuffer + dest_ofs, buf, |
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linelen); |
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} |
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dest_ofs += d->bytes_per_line; |
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} |
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} else { |
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from_ofs = d->bytes_per_line * from_y + |
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(d->bit_depth/8) * from_x; |
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for (y=y1; y<=y2; y++) { |
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if (y>=0 && y<d->ysize) |
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memmove(d->framebuffer + dest_ofs, |
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d->framebuffer + from_ofs, linelen); |
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from_ofs += d->bytes_per_line; |
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dest_ofs += d->bytes_per_line; |
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} |
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} |
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if (x1 < d->update_x1 || d->update_x1 == -1) d->update_x1 = x1; |
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if (x1 > d->update_x2 || d->update_x2 == -1) d->update_x2 = x1; |
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if (x2 < d->update_x1 || d->update_x1 == -1) d->update_x1 = x2; |
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if (x2 > d->update_x2 || d->update_x2 == -1) d->update_x2 = x2; |
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if (y1 < d->update_y1 || d->update_y1 == -1) d->update_y1 = y1; |
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if (y1 > d->update_y2 || d->update_y2 == -1) d->update_y2 = y1; |
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if (y2 < d->update_y1 || d->update_y1 == -1) d->update_y1 = y2; |
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if (y2 > d->update_y2 || d->update_y2 == -1) d->update_y2 = y2; |
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} |
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#ifdef WITH_X11 |
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#define macro_put_pixel() { \ |
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/* Combine the color into an X11 long and display it: */ \ |
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/* TODO: construct color in a more portable way: */ \ |
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switch (d->fb_window->x11_screen_depth) { \ |
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case 24: \ |
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if (d->fb_window->fb_ximage->byte_order) \ |
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color = (b << 16) + (g << 8) + r; \ |
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else \ |
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color = (r << 16) + (g << 8) + b; \ |
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break; \ |
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case 16: \ |
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r >>= 3; g >>= 2; b >>= 3; \ |
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if (d->fb_window->fb_ximage->byte_order) { \ |
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/* Big endian 16-bit X server: */ \ |
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static int first = 1; \ |
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if (first) { \ |
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fprintf(stderr, "\n*** Please report to the author whether 16-bit X11 colors are rendered correctly or not!\n\n"); \ |
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first = 0; \ |
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} \ |
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color = (b << 11) + (g << 5) + r; \ |
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} else { \ |
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/* Little endian (eg PC) X servers: */ \ |
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color = (r << 11) + (g << 5) + b; \ |
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} \ |
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break; \ |
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case 15: \ |
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r >>= 3; g >>= 3; b >>= 3; \ |
320 |
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if (d->fb_window->fb_ximage->byte_order) { \ |
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/* Big endian 15-bit X server: */ \ |
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static int first = 1; \ |
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if (first) { \ |
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fprintf(stderr, "\n*** Please report to the author whether 15-bit X11 colors are rendered correctly or not!\n\n"); \ |
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first = 0; \ |
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} \ |
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color = (b << 10) + (g << 5) + r; \ |
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} else { \ |
329 |
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/* Little endian (eg PC) X servers: */ \ |
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color = (r << 10) + (g << 5) + b; \ |
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} \ |
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break; \ |
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default: \ |
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color = d->fb_window->x11_graycolor[15 * (r + g + b) / (255 * 3)].pixel; \ |
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} \ |
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if (x>=0 && x<d->x11_xsize && y>=0 && y<d->x11_ysize) \ |
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XPutPixel(d->fb_window->fb_ximage, x, y, color); \ |
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} |
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#else |
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/* If not WITH_X11: */ |
341 |
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#define macro_put_pixel() { } |
342 |
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#endif |
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344 |
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345 |
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/* |
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* update_framebuffer(): |
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* |
348 |
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* The framebuffer memory has been updated. This function tries to make |
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* sure that the XImage is also updated (1 or more pixels). |
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*/ |
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void update_framebuffer(struct vfb_data *d, int addr, int len) |
352 |
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{ |
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int x, y, pixel, npixels; |
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long color_r, color_g, color_b; |
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#ifdef WITH_X11 |
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long color; |
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#endif |
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int scaledown = d->vfb_scaledown; |
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int scaledownXscaledown = 1; |
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361 |
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if (scaledown == 1) { |
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/* Which framebuffer pixel does addr correspond to? */ |
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pixel = addr * 8 / d->bit_depth; |
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y = pixel / d->xsize; |
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|
|
x = pixel % d->xsize; |
366 |
|
|
|
367 |
|
|
/* How many framebuffer pixels? */ |
368 |
|
|
npixels = len * 8 / d->bit_depth; |
369 |
|
|
if (npixels == 0) |
370 |
|
|
npixels = 1; |
371 |
|
|
|
372 |
|
|
if (d->bit_depth < 8) { |
373 |
|
|
for (pixel=0; pixel<npixels; pixel++) { |
374 |
|
|
int fb_addr, c, r, g, b; |
375 |
|
|
color_r = color_g = color_b = 0; |
376 |
|
|
|
377 |
|
|
fb_addr = (y * d->xsize + x) * d->bit_depth; |
378 |
|
|
/* fb_addr is now which _bit_ in |
379 |
|
|
the framebuffer */ |
380 |
|
|
|
381 |
|
|
c = d->framebuffer[fb_addr >> 3]; |
382 |
|
|
fb_addr &= 7; |
383 |
|
|
|
384 |
|
|
/* HPCmips is reverse: */ |
385 |
|
|
if (d->vfb_type == VFB_HPCMIPS) |
386 |
|
|
fb_addr = 8 - d->bit_depth - fb_addr; |
387 |
|
|
|
388 |
|
|
c = (c >> fb_addr) & ((1<<d->bit_depth) - 1); |
389 |
|
|
/* c <<= (8 - d->bit_depth); */ |
390 |
|
|
|
391 |
|
|
r = d->rgb_palette[c*3 + 0]; |
392 |
|
|
g = d->rgb_palette[c*3 + 1]; |
393 |
|
|
b = d->rgb_palette[c*3 + 2]; |
394 |
|
|
|
395 |
|
|
macro_put_pixel(); |
396 |
|
|
x++; |
397 |
|
|
} |
398 |
|
|
} else if (d->bit_depth == 8) { |
399 |
|
|
for (pixel=0; pixel<npixels; pixel++) { |
400 |
|
|
int fb_addr, c, r, g, b; |
401 |
|
|
color_r = color_g = color_b = 0; |
402 |
|
|
|
403 |
|
|
fb_addr = y * d->xsize + x; |
404 |
|
|
/* fb_addr is now which byte in framebuffer */ |
405 |
|
|
c = d->framebuffer[fb_addr]; |
406 |
|
|
r = d->rgb_palette[c*3 + 0]; |
407 |
|
|
g = d->rgb_palette[c*3 + 1]; |
408 |
|
|
b = d->rgb_palette[c*3 + 2]; |
409 |
|
|
|
410 |
|
|
macro_put_pixel(); |
411 |
|
|
x++; |
412 |
|
|
} |
413 |
|
|
} else { /* d->bit_depth > 8 */ |
414 |
|
|
for (pixel=0; pixel<npixels; pixel++) { |
415 |
|
|
int fb_addr, r, g, b; |
416 |
|
|
color_r = color_g = color_b = 0; |
417 |
|
|
|
418 |
|
|
fb_addr = (y * d->xsize + x) * d->bit_depth; |
419 |
|
|
/* fb_addr is now which byte in framebuffer */ |
420 |
|
|
|
421 |
|
|
/* > 8 bits color. */ |
422 |
|
|
fb_addr >>= 3; |
423 |
|
|
switch (d->bit_depth) { |
424 |
|
|
case 24: |
425 |
|
|
r = d->framebuffer[fb_addr]; |
426 |
|
|
g = d->framebuffer[fb_addr + 1]; |
427 |
|
|
b = d->framebuffer[fb_addr + 2]; |
428 |
|
|
break; |
429 |
|
|
/* TODO: copy to the scaledown code below */ |
430 |
|
|
case 16: |
431 |
|
|
if (d->vfb_type == VFB_HPCMIPS) { |
432 |
|
|
b = d->framebuffer[fb_addr] + |
433 |
|
|
(d->framebuffer[fb_addr+1] << 8); |
434 |
|
|
|
435 |
|
|
if (d->color32k) { |
436 |
|
|
r = b >> 11; |
437 |
|
|
g = b >> 5; |
438 |
|
|
r = r & 31; |
439 |
|
|
g = (g & 31) * 2; |
440 |
|
|
b = b & 31; |
441 |
dpavlin |
10 |
} else if (d->psp_15bit) { |
442 |
|
|
int tmp; |
443 |
|
|
r = (b >> 10) & 0x1f; |
444 |
|
|
g = (b >> 5) & 0x1f; |
445 |
|
|
b = b & 0x1f; |
446 |
|
|
g <<= 1; |
447 |
|
|
tmp = r; r = b; b = tmp; |
448 |
dpavlin |
4 |
} else { |
449 |
|
|
r = (b >> 11) & 0x1f; |
450 |
|
|
g = (b >> 5) & 0x3f; |
451 |
|
|
b = b & 0x1f; |
452 |
|
|
} |
453 |
|
|
} else { |
454 |
|
|
r = d->framebuffer[fb_addr] >> 3; |
455 |
|
|
g = (d->framebuffer[fb_addr] << 5) + |
456 |
|
|
(d->framebuffer[fb_addr + 1] >> 5); |
457 |
|
|
b = d->framebuffer[fb_addr + 1] & 0x1f; |
458 |
|
|
} |
459 |
|
|
|
460 |
|
|
r *= 8; |
461 |
|
|
g *= 4; |
462 |
|
|
b *= 8; |
463 |
|
|
break; |
464 |
|
|
default: |
465 |
|
|
r = g = b = random() & 255; |
466 |
|
|
} |
467 |
|
|
|
468 |
|
|
macro_put_pixel(); |
469 |
|
|
x++; |
470 |
|
|
} |
471 |
|
|
} |
472 |
|
|
|
473 |
|
|
return; |
474 |
|
|
} |
475 |
|
|
|
476 |
dpavlin |
12 |
/* scaledown > 1: */ |
477 |
dpavlin |
4 |
|
478 |
|
|
scaledown = d->vfb_scaledown; |
479 |
|
|
scaledownXscaledown = scaledown * scaledown; |
480 |
|
|
|
481 |
|
|
/* Which framebuffer pixel does addr correspond to? */ |
482 |
|
|
pixel = addr * 8 / d->bit_depth; |
483 |
|
|
y = pixel / d->xsize; |
484 |
|
|
x = pixel % d->xsize; |
485 |
|
|
|
486 |
|
|
/* How many framebuffer pixels? */ |
487 |
|
|
npixels = len * 8 / d->bit_depth; |
488 |
|
|
|
489 |
|
|
/* Which x11 pixel? */ |
490 |
|
|
x /= scaledown; |
491 |
|
|
y /= scaledown; |
492 |
|
|
|
493 |
|
|
/* How many x11 pixels: */ |
494 |
|
|
npixels /= scaledown; |
495 |
|
|
if (npixels == 0) |
496 |
|
|
npixels = 1; |
497 |
|
|
|
498 |
|
|
if (d->bit_depth < 8) { |
499 |
|
|
for (pixel=0; pixel<npixels; pixel++) { |
500 |
|
|
int subx, suby, r, g, b; |
501 |
|
|
color_r = color_g = color_b = 0; |
502 |
|
|
for (suby=0; suby<scaledown; suby++) |
503 |
|
|
for (subx=0; subx<scaledown; subx++) { |
504 |
|
|
int fb_x, fb_y, fb_addr, c; |
505 |
|
|
|
506 |
|
|
fb_x = x * scaledown + subx; |
507 |
|
|
fb_y = y * scaledown + suby; |
508 |
|
|
fb_addr = fb_y * d->xsize + fb_x; |
509 |
|
|
fb_addr = fb_addr * d->bit_depth; |
510 |
|
|
/* fb_addr is now which _bit_ in |
511 |
|
|
the framebuffer */ |
512 |
|
|
|
513 |
|
|
c = d->framebuffer[fb_addr >> 3]; |
514 |
|
|
fb_addr &= 7; |
515 |
|
|
|
516 |
|
|
/* HPCmips is reverse: */ |
517 |
|
|
if (d->vfb_type == VFB_HPCMIPS) |
518 |
|
|
fb_addr = 8 - d->bit_depth - fb_addr; |
519 |
|
|
|
520 |
|
|
c = (c >> fb_addr) & ((1<<d->bit_depth) - 1); |
521 |
|
|
/* c <<= (8 - d->bit_depth); */ |
522 |
|
|
|
523 |
|
|
r = d->rgb_palette[c*3 + 0]; |
524 |
|
|
g = d->rgb_palette[c*3 + 1]; |
525 |
|
|
b = d->rgb_palette[c*3 + 2]; |
526 |
|
|
|
527 |
|
|
color_r += r; |
528 |
|
|
color_g += g; |
529 |
|
|
color_b += b; |
530 |
|
|
} |
531 |
|
|
|
532 |
|
|
r = color_r / scaledownXscaledown; |
533 |
|
|
g = color_g / scaledownXscaledown; |
534 |
|
|
b = color_b / scaledownXscaledown; |
535 |
|
|
macro_put_pixel(); |
536 |
|
|
x++; |
537 |
|
|
} |
538 |
|
|
} else if (d->bit_depth == 8) { |
539 |
|
|
for (pixel=0; pixel<npixels; pixel++) { |
540 |
|
|
int subx, suby, r, g, b; |
541 |
|
|
color_r = color_g = color_b = 0; |
542 |
|
|
for (suby=0; suby<scaledown; suby++) |
543 |
|
|
for (subx=0; subx<scaledown; subx++) { |
544 |
|
|
int fb_x, fb_y, fb_addr, c; |
545 |
|
|
|
546 |
|
|
fb_x = x * scaledown + subx; |
547 |
|
|
fb_y = y * scaledown + suby; |
548 |
|
|
fb_addr = fb_y * d->xsize + fb_x; |
549 |
|
|
/* fb_addr is which _byte_ in framebuffer */ |
550 |
|
|
c = d->framebuffer[fb_addr] * 3; |
551 |
|
|
r = d->rgb_palette[c + 0]; |
552 |
|
|
g = d->rgb_palette[c + 1]; |
553 |
|
|
b = d->rgb_palette[c + 2]; |
554 |
|
|
color_r += r; |
555 |
|
|
color_g += g; |
556 |
|
|
color_b += b; |
557 |
|
|
} |
558 |
|
|
|
559 |
|
|
r = color_r / scaledownXscaledown; |
560 |
|
|
g = color_g / scaledownXscaledown; |
561 |
|
|
b = color_b / scaledownXscaledown; |
562 |
|
|
macro_put_pixel(); |
563 |
|
|
x++; |
564 |
|
|
} |
565 |
|
|
} else { |
566 |
|
|
/* Generic > 8 bit bit-depth: */ |
567 |
|
|
for (pixel=0; pixel<npixels; pixel++) { |
568 |
|
|
int subx, suby, r, g, b; |
569 |
|
|
color_r = color_g = color_b = 0; |
570 |
|
|
for (suby=0; suby<scaledown; suby++) |
571 |
|
|
for (subx=0; subx<scaledown; subx++) { |
572 |
|
|
int fb_x, fb_y, fb_addr; |
573 |
|
|
|
574 |
|
|
fb_x = x * scaledown + subx; |
575 |
|
|
fb_y = y * scaledown + suby; |
576 |
|
|
fb_addr = fb_y * d->xsize + fb_x; |
577 |
|
|
fb_addr = (fb_addr * d->bit_depth) >> 3; |
578 |
|
|
/* fb_addr is which _byte_ in framebuffer */ |
579 |
|
|
|
580 |
|
|
/* > 8 bits color. */ |
581 |
|
|
switch (d->bit_depth) { |
582 |
|
|
case 24: |
583 |
|
|
r = d->framebuffer[fb_addr]; |
584 |
|
|
g = d->framebuffer[fb_addr + 1]; |
585 |
|
|
b = d->framebuffer[fb_addr + 2]; |
586 |
|
|
break; |
587 |
|
|
default: |
588 |
|
|
r = g = b = random() & 255; |
589 |
|
|
} |
590 |
|
|
color_r += r; |
591 |
|
|
color_g += g; |
592 |
|
|
color_b += b; |
593 |
|
|
} |
594 |
|
|
r = color_r / scaledownXscaledown; |
595 |
|
|
g = color_g / scaledownXscaledown; |
596 |
|
|
b = color_b / scaledownXscaledown; |
597 |
|
|
macro_put_pixel(); |
598 |
|
|
x++; |
599 |
|
|
} |
600 |
|
|
} |
601 |
|
|
} |
602 |
|
|
|
603 |
|
|
|
604 |
|
|
/* |
605 |
|
|
* dev_fb_tick(): |
606 |
|
|
* |
607 |
|
|
*/ |
608 |
|
|
void dev_fb_tick(struct cpu *cpu, void *extra) |
609 |
|
|
{ |
610 |
|
|
struct vfb_data *d = extra; |
611 |
|
|
#ifdef WITH_X11 |
612 |
|
|
int need_to_flush_x11 = 0; |
613 |
|
|
int need_to_redraw_cursor = 0; |
614 |
|
|
#endif |
615 |
|
|
|
616 |
|
|
if (!cpu->machine->use_x11) |
617 |
|
|
return; |
618 |
|
|
|
619 |
|
|
do { |
620 |
dpavlin |
12 |
uint64_t high, low = (uint64_t)(int64_t) -1; |
621 |
dpavlin |
4 |
int x, y; |
622 |
|
|
|
623 |
dpavlin |
12 |
memory_device_dyntrans_access(cpu, cpu->mem, |
624 |
dpavlin |
4 |
extra, &low, &high); |
625 |
|
|
if ((int64_t)low == -1) |
626 |
|
|
break; |
627 |
|
|
|
628 |
|
|
/* printf("low=%016llx high=%016llx\n", |
629 |
|
|
(long long)low, (long long)high); */ |
630 |
|
|
|
631 |
|
|
x = (low % d->bytes_per_line) * 8 / d->bit_depth; |
632 |
|
|
y = low / d->bytes_per_line; |
633 |
|
|
if (x < d->update_x1 || d->update_x1 == -1) |
634 |
|
|
d->update_x1 = x; |
635 |
|
|
if (x > d->update_x2 || d->update_x2 == -1) |
636 |
|
|
d->update_x2 = x; |
637 |
|
|
if (y < d->update_y1 || d->update_y1 == -1) |
638 |
|
|
d->update_y1 = y; |
639 |
|
|
if (y > d->update_y2 || d->update_y2 == -1) |
640 |
|
|
d->update_y2 = y; |
641 |
|
|
|
642 |
|
|
x = ((low+7) % d->bytes_per_line) * 8 / d->bit_depth; |
643 |
|
|
y = (low+7) / d->bytes_per_line; |
644 |
|
|
if (x < d->update_x1 || d->update_x1 == -1) |
645 |
|
|
d->update_x1 = x; |
646 |
|
|
if (x > d->update_x2 || d->update_x2 == -1) |
647 |
|
|
d->update_x2 = x; |
648 |
|
|
if (y < d->update_y1 || d->update_y1 == -1) |
649 |
|
|
d->update_y1 = y; |
650 |
|
|
if (y > d->update_y2 || d->update_y2 == -1) |
651 |
|
|
d->update_y2 = y; |
652 |
|
|
|
653 |
|
|
x = (high % d->bytes_per_line) * 8 / d->bit_depth; |
654 |
|
|
y = high / d->bytes_per_line; |
655 |
|
|
if (x < d->update_x1 || d->update_x1 == -1) |
656 |
|
|
d->update_x1 = x; |
657 |
|
|
if (x > d->update_x2 || d->update_x2 == -1) |
658 |
|
|
d->update_x2 = x; |
659 |
|
|
if (y < d->update_y1 || d->update_y1 == -1) |
660 |
|
|
d->update_y1 = y; |
661 |
|
|
if (y > d->update_y2 || d->update_y2 == -1) |
662 |
|
|
d->update_y2 = y; |
663 |
|
|
|
664 |
|
|
x = ((high+7) % d->bytes_per_line) * 8 / d->bit_depth; |
665 |
|
|
y = (high+7) / d->bytes_per_line; |
666 |
|
|
if (x < d->update_x1 || d->update_x1 == -1) |
667 |
|
|
d->update_x1 = x; |
668 |
|
|
if (x > d->update_x2 || d->update_x2 == -1) |
669 |
|
|
d->update_x2 = x; |
670 |
|
|
if (y < d->update_y1 || d->update_y1 == -1) |
671 |
|
|
d->update_y1 = y; |
672 |
|
|
if (y > d->update_y2 || d->update_y2 == -1) |
673 |
|
|
d->update_y2 = y; |
674 |
|
|
|
675 |
|
|
/* |
676 |
|
|
* An update covering more than one line will automatically |
677 |
|
|
* force an update of all the affected lines: |
678 |
|
|
*/ |
679 |
|
|
if (d->update_y1 != d->update_y2) { |
680 |
|
|
d->update_x1 = 0; |
681 |
|
|
d->update_x2 = d->xsize-1; |
682 |
|
|
} |
683 |
|
|
} while (0); |
684 |
|
|
|
685 |
|
|
#ifdef WITH_X11 |
686 |
|
|
/* Do we need to redraw the cursor? */ |
687 |
|
|
if (d->fb_window->cursor_on != d->fb_window->OLD_cursor_on || |
688 |
|
|
d->fb_window->cursor_x != d->fb_window->OLD_cursor_x || |
689 |
|
|
d->fb_window->cursor_y != d->fb_window->OLD_cursor_y || |
690 |
|
|
d->fb_window->cursor_xsize != d->fb_window->OLD_cursor_xsize || |
691 |
|
|
d->fb_window->cursor_ysize != d->fb_window->OLD_cursor_ysize) |
692 |
|
|
need_to_redraw_cursor = 1; |
693 |
|
|
|
694 |
|
|
if (d->update_x2 != -1) { |
695 |
|
|
if ( (d->update_x1 >= d->fb_window->OLD_cursor_x && |
696 |
|
|
d->update_x1 < (d->fb_window->OLD_cursor_x + d->fb_window->OLD_cursor_xsize)) || |
697 |
|
|
(d->update_x2 >= d->fb_window->OLD_cursor_x && |
698 |
|
|
d->update_x2 < (d->fb_window->OLD_cursor_x + d->fb_window->OLD_cursor_xsize)) || |
699 |
|
|
(d->update_x1 < d->fb_window->OLD_cursor_x && |
700 |
|
|
d->update_x2 >= (d->fb_window->OLD_cursor_x + d->fb_window->OLD_cursor_xsize)) ) { |
701 |
|
|
if ( (d->update_y1 >= d->fb_window->OLD_cursor_y && |
702 |
|
|
d->update_y1 < (d->fb_window->OLD_cursor_y + d->fb_window->OLD_cursor_ysize)) || |
703 |
|
|
(d->update_y2 >= d->fb_window->OLD_cursor_y && |
704 |
|
|
d->update_y2 < (d->fb_window->OLD_cursor_y + d->fb_window->OLD_cursor_ysize)) || |
705 |
|
|
(d->update_y1 < d->fb_window->OLD_cursor_y && |
706 |
|
|
d->update_y2 >= (d->fb_window->OLD_cursor_y + d->fb_window->OLD_cursor_ysize)) ) |
707 |
|
|
need_to_redraw_cursor = 1; |
708 |
|
|
} |
709 |
|
|
} |
710 |
|
|
|
711 |
|
|
if (need_to_redraw_cursor) { |
712 |
|
|
/* Remove old cursor, if any: */ |
713 |
|
|
if (d->fb_window->OLD_cursor_on) { |
714 |
|
|
XPutImage(d->fb_window->x11_display, |
715 |
|
|
d->fb_window->x11_fb_window, |
716 |
|
|
d->fb_window->x11_fb_gc, d->fb_window->fb_ximage, |
717 |
|
|
d->fb_window->OLD_cursor_x/d->vfb_scaledown, |
718 |
|
|
d->fb_window->OLD_cursor_y/d->vfb_scaledown, |
719 |
|
|
d->fb_window->OLD_cursor_x/d->vfb_scaledown, |
720 |
|
|
d->fb_window->OLD_cursor_y/d->vfb_scaledown, |
721 |
|
|
d->fb_window->OLD_cursor_xsize/d->vfb_scaledown + 1, |
722 |
|
|
d->fb_window->OLD_cursor_ysize/d->vfb_scaledown + 1); |
723 |
|
|
} |
724 |
|
|
} |
725 |
|
|
#endif |
726 |
|
|
|
727 |
|
|
if (d->update_x2 != -1) { |
728 |
|
|
int y, addr, addr2, q = d->vfb_scaledown; |
729 |
|
|
|
730 |
|
|
if (d->update_x1 >= d->visible_xsize) d->update_x1 = d->visible_xsize - 1; |
731 |
|
|
if (d->update_x2 >= d->visible_xsize) d->update_x2 = d->visible_xsize - 1; |
732 |
|
|
if (d->update_y1 >= d->visible_ysize) d->update_y1 = d->visible_ysize - 1; |
733 |
|
|
if (d->update_y2 >= d->visible_ysize) d->update_y2 = d->visible_ysize - 1; |
734 |
|
|
|
735 |
|
|
/* Without these, we might miss the right most / bottom pixel: */ |
736 |
|
|
d->update_x2 += (q - 1); |
737 |
|
|
d->update_y2 += (q - 1); |
738 |
|
|
|
739 |
|
|
d->update_x1 = d->update_x1 / q * q; |
740 |
|
|
d->update_x2 = d->update_x2 / q * q; |
741 |
|
|
d->update_y1 = d->update_y1 / q * q; |
742 |
|
|
d->update_y2 = d->update_y2 / q * q; |
743 |
|
|
|
744 |
|
|
addr = d->update_y1 * d->bytes_per_line + d->update_x1 * d->bit_depth / 8; |
745 |
|
|
addr2 = d->update_y1 * d->bytes_per_line + d->update_x2 * d->bit_depth / 8; |
746 |
|
|
|
747 |
|
|
for (y=d->update_y1; y<=d->update_y2; y+=q) { |
748 |
|
|
update_framebuffer(d, addr, addr2 - addr); |
749 |
|
|
addr += d->bytes_per_line * q; |
750 |
|
|
addr2 += d->bytes_per_line * q; |
751 |
|
|
} |
752 |
|
|
|
753 |
|
|
#ifdef WITH_X11 |
754 |
|
|
XPutImage(d->fb_window->x11_display, d->fb_window->x11_fb_window, d->fb_window->x11_fb_gc, d->fb_window->fb_ximage, |
755 |
|
|
d->update_x1/d->vfb_scaledown, d->update_y1/d->vfb_scaledown, |
756 |
|
|
d->update_x1/d->vfb_scaledown, d->update_y1/d->vfb_scaledown, |
757 |
|
|
(d->update_x2 - d->update_x1)/d->vfb_scaledown + 1, |
758 |
|
|
(d->update_y2 - d->update_y1)/d->vfb_scaledown + 1); |
759 |
|
|
|
760 |
|
|
need_to_flush_x11 = 1; |
761 |
|
|
#endif |
762 |
|
|
|
763 |
|
|
d->update_x1 = d->update_y1 = 99999; |
764 |
|
|
d->update_x2 = d->update_y2 = -1; |
765 |
|
|
} |
766 |
|
|
|
767 |
|
|
#ifdef WITH_X11 |
768 |
|
|
if (need_to_redraw_cursor) { |
769 |
|
|
/* Paint new cursor: */ |
770 |
|
|
if (d->fb_window->cursor_on) { |
771 |
|
|
x11_redraw_cursor(cpu->machine, d->fb_window->fb_number); |
772 |
|
|
d->fb_window->OLD_cursor_on = d->fb_window->cursor_on; |
773 |
|
|
d->fb_window->OLD_cursor_x = d->fb_window->cursor_x; |
774 |
|
|
d->fb_window->OLD_cursor_y = d->fb_window->cursor_y; |
775 |
|
|
d->fb_window->OLD_cursor_xsize = d->fb_window->cursor_xsize; |
776 |
|
|
d->fb_window->OLD_cursor_ysize = d->fb_window->cursor_ysize; |
777 |
|
|
} |
778 |
|
|
} |
779 |
|
|
#endif |
780 |
|
|
|
781 |
|
|
#ifdef WITH_X11 |
782 |
|
|
if (need_to_flush_x11) |
783 |
|
|
XFlush(d->fb_window->x11_display); |
784 |
|
|
#endif |
785 |
|
|
} |
786 |
|
|
|
787 |
|
|
|
788 |
|
|
/* |
789 |
|
|
* dev_fb_access(): |
790 |
|
|
*/ |
791 |
|
|
int dev_fb_access(struct cpu *cpu, struct memory *mem, |
792 |
|
|
uint64_t relative_addr, unsigned char *data, size_t len, |
793 |
|
|
int writeflag, void *extra) |
794 |
|
|
{ |
795 |
|
|
struct vfb_data *d = extra; |
796 |
|
|
int i; |
797 |
|
|
|
798 |
|
|
#ifdef FB_DEBUG |
799 |
|
|
if (writeflag == MEM_WRITE) { if (data[0]) { |
800 |
|
|
fatal("[ dev_fb: write to addr=%08lx, data = ", |
801 |
|
|
(long)relative_addr); |
802 |
|
|
for (i=0; i<len; i++) |
803 |
|
|
fatal("%02x ", data[i]); |
804 |
|
|
fatal("]\n"); |
805 |
|
|
} else { |
806 |
|
|
fatal("[ dev_fb: read from addr=%08lx, data = ", |
807 |
|
|
(long)relative_addr); |
808 |
|
|
for (i=0; i<len; i++) |
809 |
|
|
fatal("%02x ", d->framebuffer[relative_addr + i]); |
810 |
|
|
fatal("]\n"); |
811 |
|
|
} |
812 |
|
|
#endif |
813 |
|
|
|
814 |
dpavlin |
6 |
if (relative_addr >= d->framebuffer_size) |
815 |
|
|
return 0; |
816 |
|
|
|
817 |
dpavlin |
4 |
/* See if a write actually modifies the framebuffer contents: */ |
818 |
|
|
if (writeflag == MEM_WRITE) { |
819 |
|
|
for (i=0; i<len; i++) { |
820 |
|
|
if (data[i] != d->framebuffer[relative_addr + i]) |
821 |
|
|
break; |
822 |
|
|
|
823 |
|
|
/* If all bytes are equal to what is already stored |
824 |
|
|
in the framebuffer, then simply return: */ |
825 |
|
|
if (i==len-1) |
826 |
|
|
return 1; |
827 |
|
|
} |
828 |
|
|
} |
829 |
|
|
|
830 |
|
|
/* |
831 |
|
|
* If the framebuffer is modified, then we should keep a track |
832 |
|
|
* of which area(s) we modify, so that the display isn't updated |
833 |
|
|
* unnecessarily. |
834 |
|
|
*/ |
835 |
|
|
if (writeflag == MEM_WRITE && cpu->machine->use_x11) { |
836 |
|
|
int x, y, x2,y2; |
837 |
|
|
|
838 |
|
|
x = (relative_addr % d->bytes_per_line) * 8 / d->bit_depth; |
839 |
|
|
y = relative_addr / d->bytes_per_line; |
840 |
|
|
x2 = ((relative_addr + len) % d->bytes_per_line) |
841 |
|
|
* 8 / d->bit_depth; |
842 |
|
|
y2 = (relative_addr + len) / d->bytes_per_line; |
843 |
|
|
|
844 |
|
|
if (x < d->update_x1 || d->update_x1 == -1) |
845 |
|
|
d->update_x1 = x; |
846 |
|
|
if (x > d->update_x2 || d->update_x2 == -1) |
847 |
|
|
d->update_x2 = x; |
848 |
|
|
|
849 |
|
|
if (y < d->update_y1 || d->update_y1 == -1) |
850 |
|
|
d->update_y1 = y; |
851 |
|
|
if (y > d->update_y2 || d->update_y2 == -1) |
852 |
|
|
d->update_y2 = y; |
853 |
|
|
|
854 |
|
|
if (x2 < d->update_x1 || d->update_x1 == -1) |
855 |
|
|
d->update_x1 = x2; |
856 |
|
|
if (x2 > d->update_x2 || d->update_x2 == -1) |
857 |
|
|
d->update_x2 = x2; |
858 |
|
|
|
859 |
|
|
if (y2 < d->update_y1 || d->update_y1 == -1) |
860 |
|
|
d->update_y1 = y2; |
861 |
|
|
if (y2 > d->update_y2 || d->update_y2 == -1) |
862 |
|
|
d->update_y2 = y2; |
863 |
|
|
|
864 |
|
|
/* |
865 |
|
|
* An update covering more than one line will automatically |
866 |
|
|
* force an update of all the affected lines: |
867 |
|
|
*/ |
868 |
|
|
if (y != y2) { |
869 |
|
|
d->update_x1 = 0; |
870 |
|
|
d->update_x2 = d->xsize-1; |
871 |
|
|
} |
872 |
|
|
} |
873 |
|
|
|
874 |
|
|
/* |
875 |
|
|
* Read from/write to the framebuffer: |
876 |
|
|
* (TODO: take the color_plane_mask into account) |
877 |
|
|
* |
878 |
|
|
* Calling memcpy() is probably overkill, as it usually is just one |
879 |
|
|
* or a few bytes that are read/written at a time. |
880 |
|
|
*/ |
881 |
|
|
if (writeflag == MEM_WRITE) { |
882 |
|
|
if (len > 8) |
883 |
|
|
memcpy(d->framebuffer + relative_addr, data, len); |
884 |
|
|
else |
885 |
|
|
for (i=0; i<len; i++) |
886 |
|
|
d->framebuffer[relative_addr + i] = data[i]; |
887 |
|
|
} else { |
888 |
|
|
if (len > 8) |
889 |
|
|
memcpy(data, d->framebuffer + relative_addr, len); |
890 |
|
|
else |
891 |
|
|
for (i=0; i<len; i++) |
892 |
|
|
data[i] = d->framebuffer[relative_addr + i]; |
893 |
|
|
} |
894 |
|
|
|
895 |
|
|
return 1; |
896 |
|
|
} |
897 |
|
|
|
898 |
|
|
|
899 |
|
|
/* |
900 |
|
|
* dev_fb_init(): |
901 |
|
|
* |
902 |
dpavlin |
10 |
* This function is big and ugly, but the point is to initialize a framebuffer |
903 |
|
|
* device. :-) |
904 |
|
|
* |
905 |
|
|
* visible_xsize and visible_ysize are the sizes of the visible display area. |
906 |
|
|
* xsize and ysize tell how much memory is actually allocated (for example |
907 |
|
|
* visible_xsize could be 640, but xsize could be 1024, for better alignment). |
908 |
|
|
* |
909 |
|
|
* vfb_type is useful for selecting special features. |
910 |
|
|
* |
911 |
|
|
* type = VFB_GENERIC is the most useful type, especially when bit_depth = 24. |
912 |
|
|
* |
913 |
|
|
* VFB_DEC_VFB01, _VFB02, and VFB_DEC_MAXINE are DECstation specific. |
914 |
|
|
* |
915 |
|
|
* If type is VFB_HPCMIPS, then color encoding differs from the generic case. |
916 |
|
|
* |
917 |
|
|
* If bit_depth = -15 (note the minus sign), then a special hack is used for |
918 |
|
|
* the Playstation Portable's 5-bit R, 5-bit G, 5-bit B. |
919 |
dpavlin |
4 |
*/ |
920 |
|
|
struct vfb_data *dev_fb_init(struct machine *machine, struct memory *mem, |
921 |
|
|
uint64_t baseaddr, int vfb_type, int visible_xsize, int visible_ysize, |
922 |
dpavlin |
12 |
int xsize, int ysize, int bit_depth, char *name) |
923 |
dpavlin |
4 |
{ |
924 |
|
|
struct vfb_data *d; |
925 |
dpavlin |
10 |
size_t size, nlen; |
926 |
dpavlin |
12 |
int flags; |
927 |
dpavlin |
4 |
char title[400]; |
928 |
|
|
char *name2; |
929 |
|
|
|
930 |
|
|
d = malloc(sizeof(struct vfb_data)); |
931 |
|
|
if (d == NULL) { |
932 |
|
|
fprintf(stderr, "out of memory\n"); |
933 |
|
|
exit(1); |
934 |
|
|
} |
935 |
|
|
memset(d, 0, sizeof(struct vfb_data)); |
936 |
|
|
|
937 |
|
|
d->vfb_type = vfb_type; |
938 |
|
|
|
939 |
|
|
/* Defaults: */ |
940 |
|
|
d->xsize = xsize; d->visible_xsize = visible_xsize; |
941 |
|
|
d->ysize = ysize; d->visible_ysize = visible_ysize; |
942 |
|
|
|
943 |
|
|
d->bit_depth = bit_depth; |
944 |
|
|
|
945 |
|
|
if (bit_depth == 15) { |
946 |
|
|
d->color32k = 1; |
947 |
|
|
bit_depth = d->bit_depth = 16; |
948 |
dpavlin |
10 |
} else if (bit_depth == -15) { |
949 |
|
|
d->psp_15bit = 1; |
950 |
|
|
bit_depth = d->bit_depth = 16; |
951 |
dpavlin |
4 |
} |
952 |
|
|
|
953 |
|
|
/* Specific types: */ |
954 |
|
|
switch (vfb_type) { |
955 |
|
|
case VFB_DEC_VFB01: |
956 |
|
|
/* DECstation VFB01 (monochrome) */ |
957 |
|
|
d->xsize = 2048; d->visible_xsize = 1024; |
958 |
|
|
d->ysize = 1024; d->visible_ysize = 864; |
959 |
|
|
d->bit_depth = 1; |
960 |
|
|
break; |
961 |
|
|
case VFB_DEC_VFB02: |
962 |
|
|
/* DECstation VFB02 (color) */ |
963 |
|
|
d->xsize = 1024; d->visible_xsize = 1024; |
964 |
|
|
d->ysize = 1024; d->visible_ysize = 864; |
965 |
|
|
d->bit_depth = 8; |
966 |
|
|
break; |
967 |
|
|
case VFB_DEC_MAXINE: |
968 |
|
|
/* DECstation Maxine (1024x768x8) */ |
969 |
|
|
d->xsize = 1024; d->visible_xsize = d->xsize; |
970 |
|
|
d->ysize = 768; d->visible_ysize = d->ysize; |
971 |
|
|
d->bit_depth = 8; |
972 |
|
|
break; |
973 |
|
|
case VFB_PLAYSTATION2: |
974 |
|
|
/* Playstation 2 */ |
975 |
|
|
d->xsize = xsize; d->visible_xsize = d->xsize; |
976 |
|
|
d->ysize = ysize; d->visible_ysize = d->ysize; |
977 |
|
|
d->bit_depth = 24; |
978 |
|
|
break; |
979 |
|
|
default: |
980 |
|
|
; |
981 |
|
|
} |
982 |
|
|
|
983 |
|
|
if (d->bit_depth == 2 || d->bit_depth == 4) |
984 |
|
|
set_grayscale_palette(d, 1 << d->bit_depth); |
985 |
|
|
else if (d->bit_depth == 8 || d->bit_depth == 1) |
986 |
|
|
set_blackwhite_palette(d, 1 << d->bit_depth); |
987 |
|
|
|
988 |
|
|
d->vfb_scaledown = machine->x11_scaledown; |
989 |
|
|
|
990 |
|
|
d->bytes_per_line = d->xsize * d->bit_depth / 8; |
991 |
|
|
size = d->ysize * d->bytes_per_line; |
992 |
|
|
|
993 |
|
|
d->framebuffer = malloc(size); |
994 |
|
|
if (d->framebuffer == NULL) { |
995 |
|
|
fprintf(stderr, "out of memory\n"); |
996 |
|
|
exit(1); |
997 |
|
|
} |
998 |
|
|
|
999 |
|
|
/* Clear the framebuffer (all black pixels): */ |
1000 |
|
|
d->framebuffer_size = size; |
1001 |
|
|
memset(d->framebuffer, 0, size); |
1002 |
|
|
|
1003 |
|
|
d->x11_xsize = d->visible_xsize / d->vfb_scaledown; |
1004 |
|
|
d->x11_ysize = d->visible_ysize / d->vfb_scaledown; |
1005 |
|
|
|
1006 |
|
|
d->update_x1 = d->update_y1 = 99999; |
1007 |
|
|
d->update_x2 = d->update_y2 = -1; |
1008 |
|
|
|
1009 |
|
|
|
1010 |
dpavlin |
6 |
/* Don't set the title to include the size of the framebuffer for |
1011 |
|
|
VGA, since then the resolution might change during runtime. */ |
1012 |
|
|
if (strcmp(name, "VGA") == 0) |
1013 |
|
|
snprintf(title, sizeof(title),"GXemul: %s framebuffer", name); |
1014 |
|
|
else |
1015 |
|
|
snprintf(title, sizeof(title),"GXemul: %ix%ix%i %s framebuffer", |
1016 |
|
|
d->visible_xsize, d->visible_ysize, d->bit_depth, name); |
1017 |
dpavlin |
4 |
title[sizeof(title)-1] = '\0'; |
1018 |
|
|
|
1019 |
|
|
#ifdef WITH_X11 |
1020 |
|
|
if (machine->use_x11) |
1021 |
|
|
d->fb_window = x11_fb_init(d->x11_xsize, d->x11_ysize, |
1022 |
|
|
title, machine->x11_scaledown, machine); |
1023 |
|
|
else |
1024 |
|
|
#endif |
1025 |
|
|
d->fb_window = NULL; |
1026 |
|
|
|
1027 |
dpavlin |
10 |
nlen = strlen(name) + 10; |
1028 |
|
|
name2 = malloc(nlen); |
1029 |
dpavlin |
4 |
if (name2 == NULL) { |
1030 |
|
|
fprintf(stderr, "out of memory in dev_fb_init()\n"); |
1031 |
|
|
exit(1); |
1032 |
|
|
} |
1033 |
dpavlin |
10 |
snprintf(name2, nlen, "fb [%s]", name); |
1034 |
dpavlin |
4 |
|
1035 |
|
|
flags = MEM_DEFAULT; |
1036 |
|
|
if ((baseaddr & 0xfff) == 0) |
1037 |
dpavlin |
12 |
flags = MEM_DYNTRANS_OK | MEM_DYNTRANS_WRITE_OK; |
1038 |
dpavlin |
4 |
|
1039 |
dpavlin |
6 |
flags |= MEM_READING_HAS_NO_SIDE_EFFECTS; |
1040 |
|
|
|
1041 |
dpavlin |
4 |
memory_device_register(mem, name2, baseaddr, size, dev_fb_access, |
1042 |
|
|
d, flags, d->framebuffer); |
1043 |
|
|
|
1044 |
|
|
machine_add_tickfunction(machine, dev_fb_tick, d, FB_TICK_SHIFT); |
1045 |
|
|
return d; |
1046 |
|
|
} |
1047 |
|
|
|