xserver-multidpi/hw/xgl/xgloutput.c

/*
 * Copyright © 2004 David Reveman
 * 
 * Permission to use, copy, modify, distribute, and sell this software
 * and its documentation for any purpose is hereby granted without
 * fee, provided that the above copyright notice appear in all copies
 * and that both that copyright notice and this permission notice
 * appear in supporting documentation, and that the names of
 * David Reveman not be used in advertising or publicity pertaining to
 * distribution of the software without specific, written prior permission.
 * David Reveman makes no representations about the suitability of this
 * software for any purpose. It is provided "as is" without express or
 * implied warranty.
 *
 * DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
 * NO EVENT SHALL DAVID REVEMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
 * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, 
 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Author: David Reveman <davidr@freedesktop.org>
 */

#include "xgl.h"

typedef struct _xglDepth {
    CARD8 depth;
    CARD8 bpp;
} xglDepthRec, *xglDepthPtr;

static xglDepthRec xglDepths[] = {
    {  1,  1 },
    {  4,  4 },
    {  8,  8 },
    { 15, 16 },
    { 16, 16 },
    { 24, 32 },
    { 32, 32 }
};

#define NUM_XGL_DEPTHS (sizeof (xglDepths) / sizeof (xglDepths[0]))

void
xglSetPixmapFormats (ScreenInfo *pScreenInfo)
{
    int i;
    
    pScreenInfo->imageByteOrder	    = IMAGE_BYTE_ORDER;
    pScreenInfo->bitmapScanlineUnit = BITMAP_SCANLINE_UNIT;
    pScreenInfo->bitmapScanlinePad  = BITMAP_SCANLINE_PAD;
    pScreenInfo->bitmapBitOrder	    = BITMAP_BIT_ORDER;
    pScreenInfo->numPixmapFormats   = 0;

    for (i = 0; i < NUM_XGL_DEPTHS; i++) {
	PixmapFormatRec *format;

	format = &pScreenInfo->formats[pScreenInfo->numPixmapFormats++];
	
	format->depth	     = xglDepths[i].depth;
	format->bitsPerPixel = xglDepths[i].bpp;
	format->scanlinePad  = BITMAP_SCANLINE_PAD;
    }
}