| /* 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); |
| } |
