From 80ab0233688c9df9fd48265b6f9e7ab7cd589dbc Mon Sep 17 00:00:00 2001 From: dec05eba Date: Sat, 19 Aug 2023 23:50:04 +0200 Subject: Initial commit --- depends/libxcb-render-util/xcb/util.c | 255 ++++++++++++++++++++++++++++++++++ 1 file changed, 255 insertions(+) create mode 100644 depends/libxcb-render-util/xcb/util.c (limited to 'depends/libxcb-render-util/xcb/util.c') diff --git a/depends/libxcb-render-util/xcb/util.c b/depends/libxcb-render-util/xcb/util.c new file mode 100644 index 0000000..7666c43 --- /dev/null +++ b/depends/libxcb-render-util/xcb/util.c @@ -0,0 +1,255 @@ +/* Copyright © 2000 Keith Packard + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Keith Packard not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Keith Packard makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "xcb_renderutil.h" + +xcb_render_pictvisual_t * +xcb_render_util_find_visual_format (const xcb_render_query_pict_formats_reply_t *formats, + const xcb_visualid_t visual) +{ + xcb_render_pictscreen_iterator_t screens; + xcb_render_pictdepth_iterator_t depths; + xcb_render_pictvisual_iterator_t visuals; + if (!formats) + return 0; + for (screens = xcb_render_query_pict_formats_screens_iterator(formats); screens.rem; xcb_render_pictscreen_next(&screens)) + for (depths = xcb_render_pictscreen_depths_iterator(screens.data); depths.rem; xcb_render_pictdepth_next(&depths)) + for (visuals = xcb_render_pictdepth_visuals_iterator(depths.data); visuals.rem; xcb_render_pictvisual_next(&visuals)) + if (visuals.data->visual == visual) + return visuals.data; + return 0; +} + +xcb_render_pictforminfo_t * +xcb_render_util_find_format (const xcb_render_query_pict_formats_reply_t *formats, + unsigned long mask, + const xcb_render_pictforminfo_t *ptemplate, + int count) +{ + xcb_render_pictforminfo_iterator_t i; + if (!formats) + return 0; + for (i = xcb_render_query_pict_formats_formats_iterator(formats); i.rem; xcb_render_pictforminfo_next(&i)) + { + if (mask & XCB_PICT_FORMAT_ID) + if (ptemplate->id != i.data->id) + continue; + if (mask & XCB_PICT_FORMAT_TYPE) + if (ptemplate->type != i.data->type) + continue; + if (mask & XCB_PICT_FORMAT_DEPTH) + if (ptemplate->depth != i.data->depth) + continue; + if (mask & XCB_PICT_FORMAT_RED) + if (ptemplate->direct.red_shift != i.data->direct.red_shift) + continue; + if (mask & XCB_PICT_FORMAT_RED_MASK) + if (ptemplate->direct.red_mask != i.data->direct.red_mask) + continue; + if (mask & XCB_PICT_FORMAT_GREEN) + if (ptemplate->direct.green_shift != i.data->direct.green_shift) + continue; + if (mask & XCB_PICT_FORMAT_GREEN_MASK) + if (ptemplate->direct.green_mask != i.data->direct.green_mask) + continue; + if (mask & XCB_PICT_FORMAT_BLUE) + if (ptemplate->direct.blue_shift != i.data->direct.blue_shift) + continue; + if (mask & XCB_PICT_FORMAT_BLUE_MASK) + if (ptemplate->direct.blue_mask != i.data->direct.blue_mask) + continue; + if (mask & XCB_PICT_FORMAT_ALPHA) + if (ptemplate->direct.alpha_shift != i.data->direct.alpha_shift) + continue; + if (mask & XCB_PICT_FORMAT_ALPHA_MASK) + if (ptemplate->direct.alpha_mask != i.data->direct.alpha_mask) + continue; + if (mask & XCB_PICT_FORMAT_COLORMAP) + if (ptemplate->colormap != i.data->colormap) + continue; + if (count-- == 0) + return i.data; + } + return 0; +} + +xcb_render_pictforminfo_t * +xcb_render_util_find_standard_format (const xcb_render_query_pict_formats_reply_t *formats, + xcb_pict_standard_t format) +{ + static const struct { + xcb_render_pictforminfo_t templ; + unsigned long mask; + } standardFormats[] = { + /* XCB_PICT_STANDARD_ARGB_32 */ + { + { + 0, /* id */ + XCB_RENDER_PICT_TYPE_DIRECT, /* type */ + 32, /* depth */ + { 0 }, /* pad */ + { /* direct */ + 16, /* direct.red */ + 0xff, /* direct.red_mask */ + 8, /* direct.green */ + 0xff, /* direct.green_mask */ + 0, /* direct.blue */ + 0xff, /* direct.blue_mask */ + 24, /* direct.alpha */ + 0xff, /* direct.alpha_mask */ + }, + 0, /* colormap */ + }, + XCB_PICT_FORMAT_TYPE | + XCB_PICT_FORMAT_DEPTH | + XCB_PICT_FORMAT_RED | + XCB_PICT_FORMAT_RED_MASK | + XCB_PICT_FORMAT_GREEN | + XCB_PICT_FORMAT_GREEN_MASK | + XCB_PICT_FORMAT_BLUE | + XCB_PICT_FORMAT_BLUE_MASK | + XCB_PICT_FORMAT_ALPHA | + XCB_PICT_FORMAT_ALPHA_MASK, + }, + /* XCB_PICT_STANDARD_RGB_24 */ + { + { + 0, /* id */ + XCB_RENDER_PICT_TYPE_DIRECT, /* type */ + 24, /* depth */ + { 0 }, /* pad */ + { /* direct */ + 16, /* direct.red */ + 0xff, /* direct.red_MASK */ + 8, /* direct.green */ + 0xff, /* direct.green_MASK */ + 0, /* direct.blue */ + 0xff, /* direct.blue_MASK */ + 0, /* direct.alpha */ + 0x00, /* direct.alpha_MASK */ + }, + 0, /* colormap */ + }, + XCB_PICT_FORMAT_TYPE | + XCB_PICT_FORMAT_DEPTH | + XCB_PICT_FORMAT_RED | + XCB_PICT_FORMAT_RED_MASK | + XCB_PICT_FORMAT_GREEN | + XCB_PICT_FORMAT_GREEN_MASK | + XCB_PICT_FORMAT_BLUE | + XCB_PICT_FORMAT_BLUE_MASK | + XCB_PICT_FORMAT_ALPHA_MASK, + }, + /* XCB_PICT_STANDARD_A_8 */ + { + { + 0, /* id */ + XCB_RENDER_PICT_TYPE_DIRECT, /* type */ + 8, /* depth */ + { 0 }, /* pad */ + { /* direct */ + 0, /* direct.red */ + 0x00, /* direct.red_MASK */ + 0, /* direct.green */ + 0x00, /* direct.green_MASK */ + 0, /* direct.blue */ + 0x00, /* direct.blue_MASK */ + 0, /* direct.alpha */ + 0xff, /* direct.alpha_MASK */ + }, + 0, /* colormap */ + }, + XCB_PICT_FORMAT_TYPE | + XCB_PICT_FORMAT_DEPTH | + XCB_PICT_FORMAT_RED_MASK | + XCB_PICT_FORMAT_GREEN_MASK | + XCB_PICT_FORMAT_BLUE_MASK | + XCB_PICT_FORMAT_ALPHA | + XCB_PICT_FORMAT_ALPHA_MASK, + }, + /* XCB_PICT_STANDARD_A_4 */ + { + { + 0, /* id */ + XCB_RENDER_PICT_TYPE_DIRECT, /* type */ + 4, /* depth */ + { 0 }, /* pad */ + { /* direct */ + 0, /* direct.red */ + 0x00, /* direct.red_MASK */ + 0, /* direct.green */ + 0x00, /* direct.green_MASK */ + 0, /* direct.blue */ + 0x00, /* direct.blue_MASK */ + 0, /* direct.alpha */ + 0x0f, /* direct.alpha_MASK */ + }, + 0, /* colormap */ + }, + XCB_PICT_FORMAT_TYPE | + XCB_PICT_FORMAT_DEPTH | + XCB_PICT_FORMAT_RED_MASK | + XCB_PICT_FORMAT_GREEN_MASK | + XCB_PICT_FORMAT_BLUE_MASK | + XCB_PICT_FORMAT_ALPHA | + XCB_PICT_FORMAT_ALPHA_MASK, + }, + /* XCB_PICT_STANDARD_A_1 */ + { + { + 0, /* id */ + XCB_RENDER_PICT_TYPE_DIRECT, /* type */ + 1, /* depth */ + { 0 }, /* pad */ + { /* direct */ + 0, /* direct.red */ + 0x00, /* direct.red_MASK */ + 0, /* direct.green */ + 0x00, /* direct.green_MASK */ + 0, /* direct.blue */ + 0x00, /* direct.blue_MASK */ + 0, /* direct.alpha */ + 0x01, /* direct.alpha_MASK */ + }, + 0, /* colormap */ + }, + XCB_PICT_FORMAT_TYPE | + XCB_PICT_FORMAT_DEPTH | + XCB_PICT_FORMAT_RED_MASK | + XCB_PICT_FORMAT_GREEN_MASK | + XCB_PICT_FORMAT_BLUE_MASK | + XCB_PICT_FORMAT_ALPHA | + XCB_PICT_FORMAT_ALPHA_MASK, + }, + }; + + if (format < 0 || format >= sizeof(standardFormats) / sizeof(*standardFormats)) + return 0; + + return xcb_render_util_find_format (formats, + standardFormats[format].mask, + &standardFormats[format].templ, + 0); +} -- cgit v1.2.3