File:  [Qemu by Fabrice Bellard] / qemu / hw / tc6393xb_template.h
Revision 1.1.1.2 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 17:23:59 2018 UTC (2 years, 7 months ago) by root
Branches: qemu, MAIN
CVS tags: qemu0130, qemu0125, qemu0124, qemu0123, qemu0122, qemu0121, qemu0120, qemu0111, qemu0110, HEAD
qemu 0.11.0

    1: /*
    2:  * Toshiba TC6393XB I/O Controller.
    3:  * Found in Sharp Zaurus SL-6000 (tosa) or some
    4:  * Toshiba e-Series PDAs.
    5:  *
    6:  * FB support code. Based on G364 fb emulator
    7:  *
    8:  * Copyright (c) 2007 Hervé Poussineau
    9:  *
   10:  * This program is free software; you can redistribute it and/or
   11:  * modify it under the terms of the GNU General Public License as
   12:  * published by the Free Software Foundation; either version 2 of
   13:  * the License, or (at your option) any later version.
   14:  *
   15:  * This program is distributed in the hope that it will be useful,
   16:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   17:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18:  * GNU General Public License for more details.
   19:  *
   20:  * You should have received a copy of the GNU General Public License along
   21:  * with this program; if not, see <http://www.gnu.org/licenses/>.
   22:  */
   23: 
   24: #if BITS == 8
   25: # define SET_PIXEL(addr, color)	*(uint8_t*)addr = color;
   26: #elif BITS == 15 || BITS == 16
   27: # define SET_PIXEL(addr, color)	*(uint16_t*)addr = color;
   28: #elif BITS == 24
   29: # define SET_PIXEL(addr, color)	\
   30:     addr[0] = color; addr[1] = (color) >> 8; addr[2] = (color) >> 16;
   31: #elif BITS == 32
   32: # define SET_PIXEL(addr, color)	*(uint32_t*)addr = color;
   33: #else
   34: # error unknown bit depth
   35: #endif
   36: 
   37: 
   38: static void glue(tc6393xb_draw_graphic, BITS)(TC6393xbState *s)
   39: {
   40:     int i;
   41:     int w_display;
   42:     uint16_t *data_buffer;
   43:     uint8_t *data_display;
   44: 
   45:     data_buffer = s->vram_ptr;
   46:     w_display = s->scr_width * BITS / 8;
   47:     data_display = ds_get_data(s->ds);
   48:     for(i = 0; i < s->scr_height; i++) {
   49: #if (BITS == 16)
   50:         memcpy(data_display, data_buffer, s->scr_width * 2);
   51:         data_buffer += s->scr_width;
   52:         data_display += ds_get_linesize(s->ds);
   53: #else
   54:         int j;
   55:         for (j = 0; j < s->scr_width; j++, data_display += BITS / 8, data_buffer++) {
   56:             uint16_t color = *data_buffer;
   57:             uint32_t dest_color = glue(rgb_to_pixel, BITS)(
   58:                            ((color & 0xf800) * 0x108) >> 11,
   59:                            ((color & 0x7e0) * 0x41) >> 9,
   60:                            ((color & 0x1f) * 0x21) >> 2
   61:                            );
   62:             SET_PIXEL(data_display, dest_color);
   63:         }
   64: #endif
   65:     }
   66: }
   67: 
   68: #undef BITS
   69: #undef SET_PIXEL

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