75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/*
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* Copyright © 2009 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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*
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "glamor_priv.h"
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void
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glamor_get_spans(DrawablePtr drawable,
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int wmax,
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DDXPointPtr points,
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int *widths,
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int count,
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char *dst)
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{
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ScreenPtr screen = drawable->pScreen;
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PixmapPtr screen_pixmap = screen->GetScreenPixmap(screen);
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PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable);
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if (screen_pixmap != pixmap) {
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fbGetSpans(drawable, wmax, points, widths, count, dst);
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return;
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} else {
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GLenum format, type;
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int i;
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switch (drawable->depth) {
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case 24:
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case 32:
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format = GL_BGRA;
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type = GL_UNSIGNED_INT_8_8_8_8_REV;
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break;
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default:
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ErrorF("Unknown getspans depth %d\n", drawable->depth);
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return;
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}
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if (!glamor_set_destination_pixmap(pixmap))
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return;
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for (i = 0; i < count; i++) {
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glReadPixels(points[i].x - pixmap->screen_x,
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points[i].y - pixmap->screen_y,
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widths[i],
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1,
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format, type,
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dst);
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dst += PixmapBytePad(widths[i], drawable->depth);
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}
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}
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}
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