99 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			99 lines
		
	
	
		
			3.5 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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| 
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| #include "glamor_priv.h"
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| 
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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, sub_pixmap;
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|     struct glamor_pixmap_private *pixmap_priv;
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|     int x_off, y_off;
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|     int stride;
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|     void *data;
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| 
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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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| 
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|     if (format != ZPixmap)
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|         goto fall_back;
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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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| 
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|     if (!glamor_set_planemask(pixmap, planeMask)) {
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|         glamor_fallback("Failedto set planemask  in glamor_solid.\n");
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|         goto fall_back;
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|     }
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|     pixmap_priv = glamor_get_pixmap_private(pixmap);
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| 
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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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| 
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|     x += drawable->x + x_off;
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|     y += drawable->y + y_off;
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| 
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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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|         assert(data == d);
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|         return TRUE;
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|     }
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|  fall_back:
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|     sub_pixmap = glamor_get_sub_pixmap(pixmap, x + x_off + drawable->x,
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|                                        y + y_off + drawable->y, w, h,
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|                                        GLAMOR_ACCESS_RO);
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|     if (sub_pixmap) {
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|         fbGetImage(&sub_pixmap->drawable, 0, 0, w, h, format, planeMask, d);
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|         glamor_put_sub_pixmap(sub_pixmap, pixmap,
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|                               x + x_off + drawable->x,
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|                               y + y_off + drawable->y, w, h, GLAMOR_ACCESS_RO);
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|     }
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|     else
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|         miGetImage(drawable, x, y, w, h, format, planeMask, d);
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| 
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|     return TRUE;
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| }
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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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| }
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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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