100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
/*
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* Copyright © 2009 Intel Corporation
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* Copyright © 1998 Keith Packard
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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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* Zhigang Gong <zhigang.gong@gmail.com>
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*
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*/
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#include "glamor_priv.h"
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static Bool
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_glamor_get_image(DrawablePtr drawable, int x, int y, int w, int h,
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unsigned int format, unsigned long planeMask, char *d,
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Bool fallback)
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{
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PixmapPtr pixmap;
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struct glamor_pixmap_private *pixmap_priv;
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struct glamor_screen_private *glamor_priv;
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int x_off, y_off;
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GLenum tex_format, tex_type;
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int no_alpha, revert;
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glamor_pixmap_fbo *temp_fbo = NULL;
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glamor_gl_dispatch * dispatch;
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Bool ret = FALSE;
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int swap_rb;
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int stride;
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void *data;
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if (format != ZPixmap)
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goto fall_back;
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glamor_priv = glamor_get_screen_private(drawable->pScreen);
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pixmap = glamor_get_drawable_pixmap(drawable);
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glamor_get_drawable_deltas(drawable, pixmap, &x_off, &y_off);
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if (!glamor_set_planemask(pixmap, planeMask)) {
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glamor_fallback
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("Failedto set planemask in glamor_solid.\n");
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goto fall_back;
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}
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glamor_priv = glamor_get_screen_private(drawable->pScreen);
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pixmap_priv = glamor_get_pixmap_private(pixmap);
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if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv))
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goto fall_back;
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stride = PixmapBytePad(w, drawable->depth);
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x += drawable->x + x_off;
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y += drawable->y + y_off;
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data = glamor_download_sub_pixmap_to_cpu(pixmap, x, y, w, h, stride,
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d, 0, GLAMOR_ACCESS_RO);
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if (data != NULL) {
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ret = TRUE;
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assert(data == d);
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}
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fall_back:
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if (ret == FALSE)
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miGetImage(drawable, x, y, w, h, format, planeMask, d);
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return TRUE;
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}
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void
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glamor_get_image(DrawablePtr pDrawable, int x, int y, int w, int h,
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unsigned int format, unsigned long planeMask, char *d)
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{
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_glamor_get_image(pDrawable, x, y, w, h, format, planeMask, d, TRUE);
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return;
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}
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Bool
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glamor_get_image_nf(DrawablePtr pDrawable, int x, int y, int w, int h,
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unsigned int format, unsigned long planeMask, char *d)
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{
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return _glamor_get_image(pDrawable, x, y, w,
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h, format, planeMask, d, FALSE);
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}
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