/*
 * Copyright © 2009 Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 *
 * Authors:
 *    Eric Anholt <eric@anholt.net>
 *
 */

#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#include "glamor_priv.h"

void
glamor_set_spans(DrawablePtr drawable, GCPtr gc, char *src,
		 DDXPointPtr points, int *widths, int n, int sorted)
{
    PixmapPtr dest_pixmap = glamor_get_drawable_pixmap(drawable);
    GLenum format, type;
    int i;

    switch (drawable->depth) {
    case 8:
	format = GL_ALPHA;
	type = GL_UNSIGNED_BYTE;
    case 24:
    case 32:
	format = GL_BGRA;
	type = GL_UNSIGNED_INT_8_8_8_8_REV;
	break;
    default:
	ErrorF("Unknown setspans depth %d\n", drawable->depth);
	return;
    }

    if (!glamor_set_destination_pixmap(dest_pixmap))
	return;
    for (i = 0; i < n; i++) {
	glRasterPos2i(points[i].x - dest_pixmap->screen_x,
		      points[i].y - dest_pixmap->screen_y);
	glDrawPixels(widths[i],
		     1,
		     format, type,
		     src);
	src += PixmapBytePad(widths[i], drawable->depth);
    }
}