sync code with last improvements from OpenBSD
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lib/xcb-util-renderutil/renderutil/util.c
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lib/xcb-util-renderutil/renderutil/util.c
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/* Copyright © 2000 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "xcb_renderutil.h"
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xcb_render_pictvisual_t *
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xcb_render_util_find_visual_format (const xcb_render_query_pict_formats_reply_t *formats,
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const xcb_visualid_t visual)
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{
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xcb_render_pictscreen_iterator_t screens;
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xcb_render_pictdepth_iterator_t depths;
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xcb_render_pictvisual_iterator_t visuals;
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if (!formats)
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return 0;
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for (screens = xcb_render_query_pict_formats_screens_iterator(formats); screens.rem; xcb_render_pictscreen_next(&screens))
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for (depths = xcb_render_pictscreen_depths_iterator(screens.data); depths.rem; xcb_render_pictdepth_next(&depths))
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for (visuals = xcb_render_pictdepth_visuals_iterator(depths.data); visuals.rem; xcb_render_pictvisual_next(&visuals))
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if (visuals.data->visual == visual)
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return visuals.data;
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return 0;
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}
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xcb_render_pictforminfo_t *
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xcb_render_util_find_format (const xcb_render_query_pict_formats_reply_t *formats,
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unsigned long mask,
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const xcb_render_pictforminfo_t *ptemplate,
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int count)
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{
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xcb_render_pictforminfo_iterator_t i;
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if (!formats)
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return 0;
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for (i = xcb_render_query_pict_formats_formats_iterator(formats); i.rem; xcb_render_pictforminfo_next(&i))
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{
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if (mask & XCB_PICT_FORMAT_ID)
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if (ptemplate->id != i.data->id)
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continue;
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if (mask & XCB_PICT_FORMAT_TYPE)
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if (ptemplate->type != i.data->type)
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continue;
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if (mask & XCB_PICT_FORMAT_DEPTH)
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if (ptemplate->depth != i.data->depth)
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continue;
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if (mask & XCB_PICT_FORMAT_RED)
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if (ptemplate->direct.red_shift != i.data->direct.red_shift)
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continue;
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if (mask & XCB_PICT_FORMAT_RED_MASK)
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if (ptemplate->direct.red_mask != i.data->direct.red_mask)
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continue;
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if (mask & XCB_PICT_FORMAT_GREEN)
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if (ptemplate->direct.green_shift != i.data->direct.green_shift)
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continue;
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if (mask & XCB_PICT_FORMAT_GREEN_MASK)
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if (ptemplate->direct.green_mask != i.data->direct.green_mask)
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continue;
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if (mask & XCB_PICT_FORMAT_BLUE)
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if (ptemplate->direct.blue_shift != i.data->direct.blue_shift)
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continue;
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if (mask & XCB_PICT_FORMAT_BLUE_MASK)
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if (ptemplate->direct.blue_mask != i.data->direct.blue_mask)
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continue;
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if (mask & XCB_PICT_FORMAT_ALPHA)
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if (ptemplate->direct.alpha_shift != i.data->direct.alpha_shift)
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continue;
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if (mask & XCB_PICT_FORMAT_ALPHA_MASK)
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if (ptemplate->direct.alpha_mask != i.data->direct.alpha_mask)
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continue;
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if (mask & XCB_PICT_FORMAT_COLORMAP)
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if (ptemplate->colormap != i.data->colormap)
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continue;
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if (count-- == 0)
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return i.data;
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}
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return 0;
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}
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xcb_render_pictforminfo_t *
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xcb_render_util_find_standard_format (const xcb_render_query_pict_formats_reply_t *formats,
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xcb_pict_standard_t format)
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{
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static const struct {
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xcb_render_pictforminfo_t templ;
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unsigned long mask;
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} standardFormats[] = {
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/* XCB_PICT_STANDARD_ARGB_32 */
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{
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{
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0, /* id */
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XCB_RENDER_PICT_TYPE_DIRECT, /* type */
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32, /* depth */
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{ 0 }, /* pad */
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{ /* direct */
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16, /* direct.red */
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0xff, /* direct.red_mask */
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8, /* direct.green */
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0xff, /* direct.green_mask */
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0, /* direct.blue */
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0xff, /* direct.blue_mask */
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24, /* direct.alpha */
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0xff, /* direct.alpha_mask */
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},
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0, /* colormap */
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},
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XCB_PICT_FORMAT_TYPE |
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XCB_PICT_FORMAT_DEPTH |
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XCB_PICT_FORMAT_RED |
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XCB_PICT_FORMAT_RED_MASK |
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XCB_PICT_FORMAT_GREEN |
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XCB_PICT_FORMAT_GREEN_MASK |
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XCB_PICT_FORMAT_BLUE |
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XCB_PICT_FORMAT_BLUE_MASK |
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XCB_PICT_FORMAT_ALPHA |
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XCB_PICT_FORMAT_ALPHA_MASK,
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},
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/* XCB_PICT_STANDARD_RGB_24 */
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{
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{
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0, /* id */
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XCB_RENDER_PICT_TYPE_DIRECT, /* type */
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24, /* depth */
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{ 0 }, /* pad */
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{ /* direct */
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16, /* direct.red */
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0xff, /* direct.red_MASK */
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8, /* direct.green */
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0xff, /* direct.green_MASK */
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0, /* direct.blue */
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0xff, /* direct.blue_MASK */
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0, /* direct.alpha */
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0x00, /* direct.alpha_MASK */
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},
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0, /* colormap */
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},
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XCB_PICT_FORMAT_TYPE |
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XCB_PICT_FORMAT_DEPTH |
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XCB_PICT_FORMAT_RED |
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XCB_PICT_FORMAT_RED_MASK |
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XCB_PICT_FORMAT_GREEN |
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XCB_PICT_FORMAT_GREEN_MASK |
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XCB_PICT_FORMAT_BLUE |
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XCB_PICT_FORMAT_BLUE_MASK |
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XCB_PICT_FORMAT_ALPHA_MASK,
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},
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/* XCB_PICT_STANDARD_A_8 */
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{
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{
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0, /* id */
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XCB_RENDER_PICT_TYPE_DIRECT, /* type */
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8, /* depth */
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{ 0 }, /* pad */
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{ /* direct */
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0, /* direct.red */
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0x00, /* direct.red_MASK */
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0, /* direct.green */
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0x00, /* direct.green_MASK */
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0, /* direct.blue */
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0x00, /* direct.blue_MASK */
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0, /* direct.alpha */
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0xff, /* direct.alpha_MASK */
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},
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0, /* colormap */
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},
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XCB_PICT_FORMAT_TYPE |
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XCB_PICT_FORMAT_DEPTH |
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XCB_PICT_FORMAT_RED_MASK |
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XCB_PICT_FORMAT_GREEN_MASK |
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XCB_PICT_FORMAT_BLUE_MASK |
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XCB_PICT_FORMAT_ALPHA |
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XCB_PICT_FORMAT_ALPHA_MASK,
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},
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/* XCB_PICT_STANDARD_A_4 */
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{
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{
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0, /* id */
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XCB_RENDER_PICT_TYPE_DIRECT, /* type */
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4, /* depth */
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{ 0 }, /* pad */
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{ /* direct */
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0, /* direct.red */
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0x00, /* direct.red_MASK */
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0, /* direct.green */
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0x00, /* direct.green_MASK */
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0, /* direct.blue */
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0x00, /* direct.blue_MASK */
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0, /* direct.alpha */
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0x0f, /* direct.alpha_MASK */
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},
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0, /* colormap */
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},
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XCB_PICT_FORMAT_TYPE |
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XCB_PICT_FORMAT_DEPTH |
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XCB_PICT_FORMAT_RED_MASK |
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XCB_PICT_FORMAT_GREEN_MASK |
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XCB_PICT_FORMAT_BLUE_MASK |
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XCB_PICT_FORMAT_ALPHA |
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XCB_PICT_FORMAT_ALPHA_MASK,
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},
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/* XCB_PICT_STANDARD_A_1 */
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{
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{
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0, /* id */
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XCB_RENDER_PICT_TYPE_DIRECT, /* type */
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1, /* depth */
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{ 0 }, /* pad */
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{ /* direct */
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0, /* direct.red */
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0x00, /* direct.red_MASK */
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0, /* direct.green */
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0x00, /* direct.green_MASK */
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0, /* direct.blue */
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0x00, /* direct.blue_MASK */
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0, /* direct.alpha */
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0x01, /* direct.alpha_MASK */
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},
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0, /* colormap */
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},
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XCB_PICT_FORMAT_TYPE |
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XCB_PICT_FORMAT_DEPTH |
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XCB_PICT_FORMAT_RED_MASK |
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XCB_PICT_FORMAT_GREEN_MASK |
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XCB_PICT_FORMAT_BLUE_MASK |
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XCB_PICT_FORMAT_ALPHA |
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XCB_PICT_FORMAT_ALPHA_MASK,
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},
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};
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if (format < 0 || format >= sizeof(standardFormats) / sizeof(*standardFormats))
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return 0;
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return xcb_render_util_find_format (formats,
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standardFormats[format].mask,
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&standardFormats[format].templ,
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0);
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}
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