xm_api.c revision 31aca27c08d6a385c595d34fe4ee06390bf5b0e8
1ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com/* 2ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Mesa 3-D graphics library 3ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Version: 7.1 4ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * 5ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. 6ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * 7971d0c8049c6bfc7a58f0b41f8f59f9ec9ca077bbsalomon@google.com * Permission is hereby granted, free of charge, to any person obtaining a 8b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com * copy of this software and associated documentation files (the "Software"), 97bc13a62609149f0b535c2f3ff7210eb834d8b36epoger@google.com * to deal in the Software without restriction, including without limitation 107361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11971d0c8049c6bfc7a58f0b41f8f59f9ec9ca077bbsalomon@google.com * and/or sell copies of the Software, and to permit persons to whom the 12b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com * Software is furnished to do so, subject to the following conditions: 138a85d0c4938173476d037d7af0ee3b9436a1234ereed@google.com * 144370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com * The above copyright notice and this permission notice shall be included 15971d0c8049c6bfc7a58f0b41f8f59f9ec9ca077bbsalomon@google.com * in all copies or substantial portions of the Software. 165af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * 17971d0c8049c6bfc7a58f0b41f8f59f9ec9ca077bbsalomon@google.com * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18971d0c8049c6bfc7a58f0b41f8f59f9ec9ca077bbsalomon@google.com * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 198015dd83ae37147bb630d4751030868051ad0caereed@android.com * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 208015dd83ae37147bb630d4751030868051ad0caereed@android.com * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 218015dd83ae37147bb630d4751030868051ad0caereed@android.com * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 229875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 230770044da6d61dcbc8d9673fed8dd92460faa314reed@google.com */ 240770044da6d61dcbc8d9673fed8dd92460faa314reed@google.com 2510afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org/** 2610afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org * \file xm_api.c 278923c6cfd580ac9accb11b909fa2a033d69553aareed@google.com * 288923c6cfd580ac9accb11b909fa2a033d69553aareed@google.com * All the XMesa* API functions. 290770044da6d61dcbc8d9673fed8dd92460faa314reed@google.com * 309875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * 319875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * NOTES: 320770044da6d61dcbc8d9673fed8dd92460faa314reed@google.com * 3300dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com * The window coordinate system origin (0,0) is in the lower-left corner 34e3cc2eb88fef9b2123c6ea2ed813ce53b6385926epoger@google.com * of the window. X11's window coordinate origin is in the upper-left 35e3cc2eb88fef9b2123c6ea2ed813ce53b6385926epoger@google.com * corner of the window. Therefore, most drawing functions in this 36e3cc2eb88fef9b2123c6ea2ed813ce53b6385926epoger@google.com * file have to flip Y coordinates. 37b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com * 38b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com * 39b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com * Byte swapping: If the Mesa host and the X display use a different 40b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com * byte order then there's some trickiness to be aware of when using 4146cce91f4859b9c229938d4d649870c0a43b1806reed@google.com * XImages. The byte ordering used for the XImage is that of the X 4246cce91f4859b9c229938d4d649870c0a43b1806reed@google.com * display, not the Mesa host. 430a09eef79053f93a9b2311c6a29275abf39f189ebsalomon@google.com * The color-to-pixel encoding for True/DirectColor must be done 4446cce91f4859b9c229938d4d649870c0a43b1806reed@google.com * according to the display's visual red_mask, green_mask, and blue_mask. 450a09eef79053f93a9b2311c6a29275abf39f189ebsalomon@google.com * If XPutPixel is used to put a pixel into an XImage then XPutPixel will 4646cce91f4859b9c229938d4d649870c0a43b1806reed@google.com * do byte swapping if needed. If one wants to directly "poke" the pixel 4746cce91f4859b9c229938d4d649870c0a43b1806reed@google.com * into the XImage's buffer then the pixel must be byte swapped first. 48c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com * 49c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com */ 50c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 51c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com#ifdef __CYGWIN__ 52c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com#undef WIN32 53c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com#undef __WIN32__ 54c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com#endif 55c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 56e8fcb5017cfcaf5b02d8a11e62073d6903aa02a5reed@google.com#include "xm_api.h" 57e8fcb5017cfcaf5b02d8a11e62073d6903aa02a5reed@google.com#include "xm_st.h" 58e8fcb5017cfcaf5b02d8a11e62073d6903aa02a5reed@google.com 5900dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com#include "pipe/p_defines.h" 6000dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com#include "pipe/p_screen.h" 6100dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com#include "pipe/p_context.h" 6200dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com 6300dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com#include "xm_public.h" 643914958a49ee089ddeb04acc16373aae8bc2eaf7bsalomon@google.com#include <GL/glx.h> 653914958a49ee089ddeb04acc16373aae8bc2eaf7bsalomon@google.com 663914958a49ee089ddeb04acc16373aae8bc2eaf7bsalomon@google.com 673914958a49ee089ddeb04acc16373aae8bc2eaf7bsalomon@google.com/* Driver interface routines, set up by xlib backend on library 68dd0ac281e920b01a63789893cc3e7422789658ddreed@android.com * _init(). These are global in the same way that function names are 6900dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com * global. 70d4dfd10bb6f9bf3ac6e1ebc9bc3ae22c6d06321freed@google.com */ 71dd0ac281e920b01a63789893cc3e7422789658ddreed@android.comstatic struct xm_driver driver; 7200dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.comstatic struct st_api *stapi; 73dd0ac281e920b01a63789893cc3e7422789658ddreed@android.com 7400dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com/* Default strict invalidate to false. This means we will not call 75dd0ac281e920b01a63789893cc3e7422789658ddreed@android.com * XGetGeometry after every swapbuffers, which allows swapbuffers to 7600dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com * remain asynchronous. For apps running at 100fps with synchronous 7700dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com * swapping, a 10% boost is typical. For gears, I see closer to 20% 7800dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com * speedup. 79d4dfd10bb6f9bf3ac6e1ebc9bc3ae22c6d06321freed@google.com * 8000dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com * Note that the work of copying data on swapbuffers doesn't disappear 81dd0ac281e920b01a63789893cc3e7422789658ddreed@android.com * - this change just allows the X server to execute the PutImage 8200dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com * asynchronously without us effectively blocked until its completion. 8300dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com * 8400dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com * This speeds up even llvmpipe's threaded rasterization as the 8500dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com * swapbuffers operation was a large part of the serial component of 8600dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com * an llvmpipe frame. 8700dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com * 8800dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com * The downside of this is correctness - applications which don't call 89d4dfd10bb6f9bf3ac6e1ebc9bc3ae22c6d06321freed@google.com * glViewport on window resizes will get incorrect rendering. A 9000dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com * better solution would be to have per-frame but asynchronous 9100dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com * invalidation. Xcb almost looks as if it could provide this, but 9200dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com * the API doesn't seem to quite be there. 9300dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com */ 948015dd83ae37147bb630d4751030868051ad0caereed@android.comboolean xmesa_strict_invalidate = FALSE; 958015dd83ae37147bb630d4751030868051ad0caereed@android.com 968015dd83ae37147bb630d4751030868051ad0caereed@android.comvoid xmesa_set_driver( const struct xm_driver *templ ) 978015dd83ae37147bb630d4751030868051ad0caereed@android.com{ 988015dd83ae37147bb630d4751030868051ad0caereed@android.com driver = *templ; 998015dd83ae37147bb630d4751030868051ad0caereed@android.com stapi = driver.create_st_api(); 1009875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 1019875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com xmesa_strict_invalidate = 1029875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com debug_get_bool_option("XMESA_STRICT_INVALIDATE", FALSE); 1039875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com} 1048015dd83ae37147bb630d4751030868051ad0caereed@android.com 1059875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 1069875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com/* 10700dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com * XXX replace this with a linked list, or better yet, try to attach the 1089875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * gallium/mesa extra bits to the X Display object with XAddExtension(). 1099875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com */ 1100770044da6d61dcbc8d9673fed8dd92460faa314reed@google.com#define MAX_DISPLAYS 10 1118015dd83ae37147bb630d4751030868051ad0caereed@android.comstatic struct xmesa_display Displays[MAX_DISPLAYS]; 1128015dd83ae37147bb630d4751030868051ad0caereed@android.comstatic int NumDisplays = 0; 1138015dd83ae37147bb630d4751030868051ad0caereed@android.com 114b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.comstatic int 115b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.comxmesa_get_param(struct st_manager *smapi, 116b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com enum st_manager_param param) 117b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com{ 118b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com switch(param) { 119b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com case ST_MANAGER_BROKEN_INVALIDATE: 120b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com return !xmesa_strict_invalidate; 121b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com default: 122b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com return 0; 123b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com } 124b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com} 125b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com 126b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.comstatic XMesaDisplay 127b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.comxmesa_init_display( Display *display ) 128b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com{ 129b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com pipe_static_mutex(init_mutex); 130b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com XMesaDisplay xmdpy; 131b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com int i; 132b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com 133b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com pipe_mutex_lock(init_mutex); 134b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com 1353d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com /* Look for XMesaDisplay which corresponds to 'display' */ 1369875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com for (i = 0; i < NumDisplays; i++) { 1379875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com if (Displays[i].display == display) { 1389875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com /* Found it */ 1399875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com pipe_mutex_unlock(init_mutex); 1403d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com return &Displays[i]; 1413d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com } 1423d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com } 1439875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 1449875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com /* Create new XMesaDisplay */ 1453d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com 1463d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com assert(NumDisplays < MAX_DISPLAYS); 1473d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com xmdpy = &Displays[NumDisplays]; 1483d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com NumDisplays++; 1493d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com 1503d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com if (!xmdpy->display && display) { 1513d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com xmdpy->display = display; 1529875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com xmdpy->screen = driver.create_pipe_screen(display); 1539875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com xmdpy->smapi = CALLOC_STRUCT(st_manager); 1549875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com if (xmdpy->smapi) { 1559875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com xmdpy->smapi->screen = xmdpy->screen; 1569875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com xmdpy->smapi->get_param = xmesa_get_param; 1579875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com } 1589875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 1593d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com if (xmdpy->screen && xmdpy->smapi) { 1603d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com pipe_mutex_init(xmdpy->mutex); 161c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com } 162c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com else { 163c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com if (xmdpy->screen) { 164c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com xmdpy->screen->destroy(xmdpy->screen); 165b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com xmdpy->screen = NULL; 166b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com } 167b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com if (xmdpy->smapi) { 168b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com FREE(xmdpy->smapi); 169b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com xmdpy->smapi = NULL; 170b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com } 171cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com 172cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com xmdpy->display = NULL; 173cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com } 174cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com } 175cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com if (!xmdpy->display || xmdpy->display != display) 176cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com xmdpy = NULL; 177b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com 178b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com pipe_mutex_unlock(init_mutex); 179cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com 180b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com return xmdpy; 181b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com} 182b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com 183cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com/**********************************************************************/ 184ea325437bd5a9996422b640087b64742363e5b55tomhudson@google.com/***** X Utility Functions *****/ 185ea325437bd5a9996422b640087b64742363e5b55tomhudson@google.com/**********************************************************************/ 186ea325437bd5a9996422b640087b64742363e5b55tomhudson@google.com 187cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com 188c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com/** 189b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com * Return the host's byte order as LSBFirst or MSBFirst ala X. 190b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com */ 191b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.comstatic int host_byte_order( void ) 192cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com{ 193b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com int i = 1; 194b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com char *cptr = (char *) &i; 195b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com return (*cptr==1) ? LSBFirst : MSBFirst; 196cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com} 197b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com 198b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com 199ea325437bd5a9996422b640087b64742363e5b55tomhudson@google.com 200ea325437bd5a9996422b640087b64742363e5b55tomhudson@google.com 201ea325437bd5a9996422b640087b64742363e5b55tomhudson@google.com/** 2023d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com * Return the true number of bits per pixel for XImages. 2039875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * For example, if we request a 24-bit deep visual we may actually need/get 2049875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * 32bpp XImages. This function returns the appropriate bpp. 2059875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * Input: dpy - the X display 206cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com * visinfo - desribes the visual to be used for XImages 2079875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * Return: true number of bits per pixel for XImages 208c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com */ 209b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.comstatic int 210b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.combits_per_pixel( XMesaVisual xmv ) 211b9b9a18ab459c2616ac4a52c9f8cc0637d284229reed@android.com{ 2123d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com Display *dpy = xmv->display; 2139875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com XVisualInfo * visinfo = xmv->visinfo; 214c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com XImage *img; 2158015dd83ae37147bb630d4751030868051ad0caereed@android.com int bitsPerPixel; 21600dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com /* Create a temporary XImage */ 217b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com img = XCreateImage( dpy, visinfo->visual, visinfo->depth, 218b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com ZPixmap, 0, /*format, offset*/ 219686abdfab0e4c45de1fd30774896c46e43a299acvandebo@chromium.org (char*) MALLOC(8), /*data*/ 220b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com 1, 1, /*width, height*/ 2218a85d0c4938173476d037d7af0ee3b9436a1234ereed@google.com 32, /*bitmap_pad*/ 2220770044da6d61dcbc8d9673fed8dd92460faa314reed@google.com 0 /*bytes_per_line*/ 2230770044da6d61dcbc8d9673fed8dd92460faa314reed@google.com ); 224686abdfab0e4c45de1fd30774896c46e43a299acvandebo@chromium.org assert(img); 225686abdfab0e4c45de1fd30774896c46e43a299acvandebo@chromium.org /* grab the bits/pixel value */ 226686abdfab0e4c45de1fd30774896c46e43a299acvandebo@chromium.org bitsPerPixel = img->bits_per_pixel; 227686abdfab0e4c45de1fd30774896c46e43a299acvandebo@chromium.org /* free the XImage */ 228b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com free( img->data ); 229686abdfab0e4c45de1fd30774896c46e43a299acvandebo@chromium.org img->data = NULL; 230686abdfab0e4c45de1fd30774896c46e43a299acvandebo@chromium.org XDestroyImage( img ); 2317361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com return bitsPerPixel; 2327361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com} 2337361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 2347361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 2357361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 2367361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com/* 2377361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com * Determine if a given X window ID is valid (window exists). 2387361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com * Do this by calling XGetWindowAttributes() for the window and 2397361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com * checking if we catch an X error. 2409875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * Input: dpy - the display 2417361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com * win - the window to check for existance 2427361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com * Return: GL_TRUE - window exists 2437361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com * GL_FALSE - window doesn't exist 2447361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com */ 2457361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.comstatic GLboolean WindowExistsFlag; 2467361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 2479875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.comstatic int window_exists_err_handler( Display* dpy, XErrorEvent* xerr ) 2489875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com{ 2499875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com (void) dpy; 2509875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com if (xerr->error_code == BadWindow) { 2519875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com WindowExistsFlag = GL_FALSE; 2529875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com } 2539875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com return 0; 2549875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com} 2559875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 2569875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.comstatic GLboolean window_exists( Display *dpy, Window win ) 2579875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com{ 2589875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com XWindowAttributes wa; 2599875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com int (*old_handler)( Display*, XErrorEvent* ); 2609875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com WindowExistsFlag = GL_TRUE; 2619875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com old_handler = XSetErrorHandler(window_exists_err_handler); 26210afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org XGetWindowAttributes( dpy, win, &wa ); /* dummy request */ 26310afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org XSetErrorHandler(old_handler); 26410afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org return WindowExistsFlag; 26510afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org} 26610afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org 26710afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.orgstatic Status 26810afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.orgget_drawable_size( Display *dpy, Drawable d, uint *width, uint *height ) 26910afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org{ 27010afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org Window root; 27110afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org Status stat; 27210afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org int xpos, ypos; 27310afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org unsigned int w, h, bw, depth; 27410afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org stat = XGetGeometry(dpy, d, &root, &xpos, &ypos, &w, &h, &bw, &depth); 27510afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org *width = w; 27610afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org *height = h; 27710afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org return stat; 27810afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org} 27979d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org 28079d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org 28179d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org/** 28279d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org * Return the size of the window (or pixmap) that corresponds to the 28310afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org * given XMesaBuffer. 28410afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org * \param width returns width in pixels 28510afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org * \param height returns height in pixels 28610afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org */ 28710afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.orgvoid 288c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.comxmesa_get_window_size(Display *dpy, XMesaBuffer b, 289c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com GLuint *width, GLuint *height) 290c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com{ 2914370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com XMesaDisplay xmdpy = xmesa_init_display(dpy); 2924370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com Status stat; 2939875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 294cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com pipe_mutex_lock(xmdpy->mutex); 2959875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com stat = get_drawable_size(dpy, b->ws.drawable, width, height); 2969875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com pipe_mutex_unlock(xmdpy->mutex); 2974370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com 2984370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com if (!stat) { 2994370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com /* probably querying a window that's recently been destroyed */ 3004370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com _mesa_warning(NULL, "XGetGeometry failed!\n"); 3014370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com *width = *height = 1; 3024370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com } 3034370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com} 3044370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com 3054370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com#define GET_REDMASK(__v) __v->mesa_visual.redMask 306bf6c1e4aff4d233f6502157fb73459cf69d0ab37junov@chromium.org#define GET_GREENMASK(__v) __v->mesa_visual.greenMask 3079875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com#define GET_BLUEMASK(__v) __v->mesa_visual.blueMask 3089875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 309c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 3109875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com/** 3114370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com * Choose the pixel format for the given visual. 3124370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com * This will tell the gallium driver how to pack pixel data into 3134370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com * drawing surfaces. 3144370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com */ 3154370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.comstatic GLuint 3164370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.comchoose_pixel_format(XMesaVisual v) 3174370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com{ 3184370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com boolean native_byte_order = (host_byte_order() == 3194370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com ImageByteOrder(v->display)); 320af951c9bc4cbb6e60b430194fe5127ebe99c53fbreed@google.com 321af951c9bc4cbb6e60b430194fe5127ebe99c53fbreed@google.com if ( GET_REDMASK(v) == 0x0000ff 322cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com && GET_GREENMASK(v) == 0x00ff00 323c69809745e6496564639e42ef998ad39adf7dfb8bsalomon@google.com && GET_BLUEMASK(v) == 0xff0000 324c69809745e6496564639e42ef998ad39adf7dfb8bsalomon@google.com && v->BitsPerPixel == 32) { 3254370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com if (native_byte_order) { 3269875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com /* no byteswapping needed */ 327c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com return PIPE_FORMAT_R8G8B8A8_UNORM; 3289875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com } 3299875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com else { 3309875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com return PIPE_FORMAT_A8B8G8R8_UNORM; 3319875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com } 3329875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com } 3339875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com else if ( GET_REDMASK(v) == 0xff0000 3349875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com && GET_GREENMASK(v) == 0x00ff00 33510afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org && GET_BLUEMASK(v) == 0x0000ff 3369875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com && v->BitsPerPixel == 32) { 3379875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com if (native_byte_order) { 3389875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com /* no byteswapping needed */ 3399875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com return PIPE_FORMAT_B8G8R8A8_UNORM; 3409875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com } 34179d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org else { 34279d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org return PIPE_FORMAT_A8R8G8B8_UNORM; 34379d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org } 34479d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org } 34579d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org else if ( GET_REDMASK(v) == 0x0000ff00 34679d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org && GET_GREENMASK(v) == 0x00ff0000 34779d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org && GET_BLUEMASK(v) == 0xff000000 34879d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org && v->BitsPerPixel == 32) { 34979d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org if (native_byte_order) { 35079d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org /* no byteswapping needed */ 35179d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org return PIPE_FORMAT_A8R8G8B8_UNORM; 35279d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org } 35379d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org else { 35479d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org return PIPE_FORMAT_B8G8R8A8_UNORM; 35579d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org } 35679d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org } 3579875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com else if ( GET_REDMASK(v) == 0xf800 3589875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com && GET_GREENMASK(v) == 0x07e0 3599875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com && GET_BLUEMASK(v) == 0x001f 36079d3cb4ba74651ceaa862005a4244460e4662afdvandebo@chromium.org && native_byte_order 3619875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com && v->BitsPerPixel == 16) { 3629875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com /* 5-6-5 RGB */ 3639875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com return PIPE_FORMAT_B5G6R5_UNORM; 3649875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com } 3659875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 3669875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com return PIPE_FORMAT_NONE; 3679875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com} 368b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com 369b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com 370b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com/** 371b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com * Choose a depth/stencil format that satisfies the given depth and 372b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com * stencil sizes. 373b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com */ 374dc9a695a62ffe0f18e2835bffd325b60b64b547bbungeman@google.comstatic enum pipe_format 375dc9a695a62ffe0f18e2835bffd325b60b64b547bbungeman@google.comchoose_depth_stencil_format(XMesaDisplay xmdpy, int depth, int stencil) 376dc9a695a62ffe0f18e2835bffd325b60b64b547bbungeman@google.com{ 377dc9a695a62ffe0f18e2835bffd325b60b64b547bbungeman@google.com const enum pipe_texture_target target = PIPE_TEXTURE_2D; 378dc9a695a62ffe0f18e2835bffd325b60b64b547bbungeman@google.com const unsigned tex_usage = PIPE_BIND_DEPTH_STENCIL; 379b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com const unsigned geom_flags = (PIPE_TEXTURE_GEOM_NON_SQUARE | 380b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com PIPE_TEXTURE_GEOM_NON_POWER_OF_TWO); 381b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com const unsigned sample_count = 0; 382b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com enum pipe_format formats[8], fmt; 383b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com int count, i; 384b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com 385b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com count = 0; 38610afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org 387b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com if (depth <= 16 && stencil == 0) { 388b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com formats[count++] = PIPE_FORMAT_Z16_UNORM; 389b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com } 390b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com if (depth <= 24 && stencil == 0) { 391b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com formats[count++] = PIPE_FORMAT_X8Z24_UNORM; 392b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com formats[count++] = PIPE_FORMAT_Z24X8_UNORM; 393c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com } 394c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com if (depth <= 24 && stencil <= 8) { 395c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com formats[count++] = PIPE_FORMAT_S8_USCALED_Z24_UNORM; 396c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com formats[count++] = PIPE_FORMAT_Z24_UNORM_S8_USCALED; 397c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com } 398c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com if (depth <= 32 && stencil == 0) { 3999875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com formats[count++] = PIPE_FORMAT_Z32_UNORM; 4009875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com } 401b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com 402b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com fmt = PIPE_FORMAT_NONE; 403b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com for (i = 0; i < count; i++) { 404b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com if (xmdpy->screen->is_format_supported(xmdpy->screen, formats[i], 405ea325437bd5a9996422b640087b64742363e5b55tomhudson@google.com target, sample_count, 4069875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com tex_usage, geom_flags)) { 40746cce91f4859b9c229938d4d649870c0a43b1806reed@google.com fmt = formats[i]; 40846cce91f4859b9c229938d4d649870c0a43b1806reed@google.com break; 409ea325437bd5a9996422b640087b64742363e5b55tomhudson@google.com } 410b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com } 411b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com 412b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com return fmt; 413b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com} 414b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com 4159875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 416c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 417c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com/**********************************************************************/ 418c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com/***** Linked list of XMesaBuffers *****/ 4199875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com/**********************************************************************/ 420c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 4219875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.comstatic XMesaBuffer XMesaBufferList = NULL; 4229875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 4239875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 424c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com/** 425c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com * Allocate a new XMesaBuffer object which corresponds to the given drawable. 426c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com * Note that XMesaBuffer is derived from struct gl_framebuffer. 427c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com * The new XMesaBuffer will not have any size (Width=Height=0). 428c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com * 429c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com * \param d the corresponding X drawable (window or pixmap) 430cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com * \param type either WINDOW, PIXMAP or PBUFFER, describing d 431c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com * \param vis the buffer's visual 432c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com * \param cmap the window's colormap, if known. 4338e529b794703821a85cd7de6d52d4c593299e293reed@google.com * \return new XMesaBuffer or NULL if any problem 4348e529b794703821a85cd7de6d52d4c593299e293reed@google.com */ 4358e529b794703821a85cd7de6d52d4c593299e293reed@google.comstatic XMesaBuffer 4368e529b794703821a85cd7de6d52d4c593299e293reed@google.comcreate_xmesa_buffer(Drawable d, BufferType type, 437c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com XMesaVisual vis, Colormap cmap) 438c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com{ 439cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com XMesaDisplay xmdpy = xmesa_init_display(vis->display); 440c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com XMesaBuffer b; 441cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com uint width, height; 442cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com 443c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com ASSERT(type == WINDOW || type == PIXMAP || type == PBUFFER); 444c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 445c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com if (!xmdpy) 446c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com return NULL; 447c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 4489875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com b = (XMesaBuffer) CALLOC_STRUCT(xmesa_buffer); 4499875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com if (!b) 450c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com return NULL; 451c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 452c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com b->ws.drawable = d; 453c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com b->ws.visual = vis->visinfo->visual; 454c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com b->ws.depth = vis->visinfo->depth; 455c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 4569875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com b->xm_visual = vis; 457e8fcb5017cfcaf5b02d8a11e62073d6903aa02a5reed@google.com b->type = type; 458e8fcb5017cfcaf5b02d8a11e62073d6903aa02a5reed@google.com b->cmap = cmap; 459e8fcb5017cfcaf5b02d8a11e62073d6903aa02a5reed@google.com 460c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com get_drawable_size(vis->display, d, &width, &height); 4619875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 4629875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com /* 4639875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * Create framebuffer, but we'll plug in our own renderbuffers below. 464c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com */ 465c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com b->stfb = xmesa_create_st_framebuffer(xmdpy, b); 466c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 467c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com /* GLX_EXT_texture_from_pixmap */ 468c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com b->TextureTarget = 0; 469c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com b->TextureFormat = GLX_TEXTURE_FORMAT_NONE_EXT; 470c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com b->TextureMipmap = 0; 471c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 472c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com /* insert buffer into linked list */ 4739875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com b->Next = XMesaBufferList; 4749284ccd8bc4e3dfed83485d9fa94ebd69c4b9741epoger@google.com XMesaBufferList = b; 4759875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 4767361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com return b; 4779284ccd8bc4e3dfed83485d9fa94ebd69c4b9741epoger@google.com} 4789284ccd8bc4e3dfed83485d9fa94ebd69c4b9741epoger@google.com 4799875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 4807361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com/** 4819284ccd8bc4e3dfed83485d9fa94ebd69c4b9741epoger@google.com * Find an XMesaBuffer by matching X display and colormap but NOT matching 4829284ccd8bc4e3dfed83485d9fa94ebd69c4b9741epoger@google.com * the notThis buffer. 4839284ccd8bc4e3dfed83485d9fa94ebd69c4b9741epoger@google.com */ 4849284ccd8bc4e3dfed83485d9fa94ebd69c4b9741epoger@google.comXMesaBuffer 4859284ccd8bc4e3dfed83485d9fa94ebd69c4b9741epoger@google.comxmesa_find_buffer(Display *dpy, Colormap cmap, XMesaBuffer notThis) 4869284ccd8bc4e3dfed83485d9fa94ebd69c4b9741epoger@google.com{ 4879284ccd8bc4e3dfed83485d9fa94ebd69c4b9741epoger@google.com XMesaBuffer b; 4889284ccd8bc4e3dfed83485d9fa94ebd69c4b9741epoger@google.com for (b = XMesaBufferList; b; b = b->Next) { 4899284ccd8bc4e3dfed83485d9fa94ebd69c4b9741epoger@google.com if (b->xm_visual->display == dpy && 4909875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com b->cmap == cmap && 4919875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com b != notThis) { 4929875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com return b; 4939875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com } 4949875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com } 4959875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com return NULL; 49610afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org} 4979875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 4989875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 4999875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com/** 5009875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * Remove buffer from linked list, delete if no longer referenced. 5019875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com */ 5029875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.comstatic void 5039875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.comxmesa_free_buffer(XMesaBuffer buffer) 5049875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com{ 5059875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com XMesaBuffer prev = NULL, b; 5069875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 5079875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com for (b = XMesaBufferList; b; b = b->Next) { 5089875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com if (b == buffer) { 5099875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com /* unlink buffer from list */ 5109875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com if (prev) 5119875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com prev->Next = buffer->Next; 5129875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com else 5139875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com XMesaBufferList = buffer->Next; 5149875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 5159875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com /* Since the X window for the XMesaBuffer is going away, we don't 5169875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * want to dereference this pointer in the future. 5179875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com */ 5189875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com b->ws.drawable = 0; 5199875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 5209875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com /* XXX we should move the buffer to a delete-pending list and destroy 5219875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * the buffer until it is no longer current. 5229875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com */ 5239875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com xmesa_destroy_st_framebuffer(buffer->stfb); 5249875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 5259875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com free(buffer); 5269875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 527c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com return; 528c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com } 529c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com /* continue search */ 530c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com prev = b; 531c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com } 532c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com /* buffer not found in XMesaBufferList */ 533c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com _mesa_problem(NULL,"xmesa_free_buffer() - buffer not found\n"); 534c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com} 535b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com 5369875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 5379875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 538971d0c8049c6bfc7a58f0b41f8f59f9ec9ca077bbsalomon@google.com/**********************************************************************/ 539c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com/***** Misc Private Functions *****/ 5404370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com/**********************************************************************/ 5414370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com 542c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 543c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com/** 5449875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * When a context is bound for the first time, we can finally finish 54546cce91f4859b9c229938d4d649870c0a43b1806reed@google.com * initializing the context's visual and buffer information. 546b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com * \param v the XMesaVisual to initialize 54746cce91f4859b9c229938d4d649870c0a43b1806reed@google.com * \param b the XMesaBuffer to initialize (may be NULL) 5480f1541f1c3c7393052dd54dfc32d0d32918a90aebungeman@google.com * \param rgb_flag TRUE = RGBA mode, FALSE = color index mode 54946cce91f4859b9c229938d4d649870c0a43b1806reed@google.com * \param window the window/pixmap we're rendering into 55046cce91f4859b9c229938d4d649870c0a43b1806reed@google.com * \param cmap the colormap associated with the window/pixmap 55146cce91f4859b9c229938d4d649870c0a43b1806reed@google.com * \return GL_TRUE=success, GL_FALSE=failure 552b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com */ 553b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.comstatic GLboolean 5549875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.cominitialize_visual_and_buffer(XMesaVisual v, XMesaBuffer b, 5558e728d7467ae29dc1a53e4d8b436f91e112a5ee9tomhudson@google.com GLboolean rgb_flag, Drawable window, 556b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com Colormap cmap) 5579875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com{ 5589875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com ASSERT(!b || b->xm_visual == v); 5594370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com 5604370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com /* Save true bits/pixel */ 5614370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com v->BitsPerPixel = bits_per_pixel(v); 5624370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com assert(v->BitsPerPixel > 0); 5634370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com 5644370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com if (rgb_flag == GL_FALSE) { 5654370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com /* COLOR-INDEXED WINDOW: not supported*/ 5664370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com return GL_FALSE; 5674370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com } 5684370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com else { 5694370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com /* RGB WINDOW: 5704370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com * We support RGB rendering into almost any kind of visual. 5714370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com */ 5724370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com const int xclass = v->visualType; 5734370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com if (xclass != GLX_TRUE_COLOR && xclass == !GLX_DIRECT_COLOR) { 5744370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com _mesa_warning(NULL, 5754370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com "XMesa: RGB mode rendering not supported in given visual.\n"); 5764370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com return GL_FALSE; 5774370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com } 5784370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com v->mesa_visual.indexBits = 0; 5794370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com 5804370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com if (v->BitsPerPixel == 32) { 581c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com /* We use XImages for all front/back buffers. If an X Window or 582c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com * X Pixmap is 32bpp, there's no guarantee that the alpha channel 583c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com * will be preserved. For XImages we're in luck. 584c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com */ 585c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com v->mesa_visual.alphaBits = 8; 5869875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com } 5879875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com } 5889875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 5899875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com /* 5909875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * If MESA_INFO env var is set print out some debugging info 5919875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * which can help Brian figure out what's going on when a user 592cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com * reports bugs. 593cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com */ 594c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com if (_mesa_getenv("MESA_INFO")) { 595c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com printf("X/Mesa visual = %p\n", (void *) v); 5969875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com printf("X/Mesa level = %d\n", v->mesa_visual.level); 5979875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com printf("X/Mesa depth = %d\n", v->visinfo->depth); 5989875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com printf("X/Mesa bits per pixel = %d\n", v->BitsPerPixel); 599c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com } 600c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 601c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com return GL_TRUE; 602c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com} 603c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 6049875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 6059875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 6069875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com#define NUM_VISUAL_TYPES 6 6079875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 6089875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com/** 6099875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * Convert an X visual type to a GLX visual type. 6109875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * 6119875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * \param visualType X visual type (i.e., \c TrueColor, \c StaticGray, etc.) 612cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com * to be converted. 613cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com * \return If \c visualType is a valid X visual type, a GLX visual type will 614c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com * be returned. Otherwise \c GLX_NONE will be returned. 615c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com * 6169875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * \note 6179875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * This code was lifted directly from lib/GL/glx/glcontextmodes.c in the 6189875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com * DRI CVS tree. 6195af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com */ 6205af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.comstatic GLint 6215af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.comxmesa_convert_from_x_visual_type( int visualType ) 6225af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com{ 6235af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com static const int glx_visual_types[ NUM_VISUAL_TYPES ] = { 6245af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com GLX_STATIC_GRAY, GLX_GRAY_SCALE, 6255af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com GLX_STATIC_COLOR, GLX_PSEUDO_COLOR, 6265af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com GLX_TRUE_COLOR, GLX_DIRECT_COLOR 6275af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com }; 6285af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com 6295af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com return ( (unsigned) visualType < NUM_VISUAL_TYPES ) 6305af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com ? glx_visual_types[ visualType ] : GLX_NONE; 6315af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com} 6325af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com 6335af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com 6345af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com/**********************************************************************/ 6355af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com/***** Public Functions *****/ 6365af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com/**********************************************************************/ 6375af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com 6385af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com 6395af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com/* 6405af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * Create a new X/Mesa visual. 6415af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * Input: display - X11 display 6425af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * visinfo - an XVisualInfo pointer 6435af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * rgb_flag - GL_TRUE = RGB mode, 6445af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * GL_FALSE = color index mode 6455af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * alpha_flag - alpha buffer requested? 6465af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * db_flag - GL_TRUE = double-buffered, 6475af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * GL_FALSE = single buffered 6485af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * stereo_flag - stereo visual? 6495af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * ximage_flag - GL_TRUE = use an XImage for back buffer, 6505af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * GL_FALSE = use an off-screen pixmap for back buffer 6515af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * depth_size - requested bits/depth values, or zero 6525af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * stencil_size - requested bits/stencil values, or zero 6535af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * accum_red_size - requested bits/red accum values, or zero 6545af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * accum_green_size - requested bits/green accum values, or zero 6555af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * accum_blue_size - requested bits/blue accum values, or zero 6565af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * accum_alpha_size - requested bits/alpha accum values, or zero 6575af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * num_samples - number of samples/pixel if multisampling, or zero 6585af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * level - visual level, usually 0 6595af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * visualCaveat - ala the GLX extension, usually GLX_NONE 6605af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com * Return; a new XMesaVisual or 0 if error. 6615af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com */ 6625af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.comPUBLIC 6635af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.comXMesaVisual XMesaCreateVisual( Display *display, 6645af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com XVisualInfo * visinfo, 6655af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com GLboolean rgb_flag, 6665af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com GLboolean alpha_flag, 6675af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com GLboolean db_flag, 6685af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com GLboolean stereo_flag, 6695af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com GLboolean ximage_flag, 6705af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com GLint depth_size, 6715af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com GLint stencil_size, 6725af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com GLint accum_red_size, 6735af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com GLint accum_green_size, 6745af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com GLint accum_blue_size, 6755af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com GLint accum_alpha_size, 6765af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com GLint num_samples, 6775af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com GLint level, 6785af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com GLint visualCaveat ) 6795af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com{ 6805d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org XMesaDisplay xmdpy = xmesa_init_display(display); 6815d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org XMesaVisual v; 6825d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org GLint red_bits, green_bits, blue_bits, alpha_bits; 6835d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org 6845d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org if (!xmdpy) 6855d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org return NULL; 6865d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org 6875d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org /* For debugging only */ 6885d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org if (_mesa_getenv("MESA_XSYNC")) { 6895d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org /* This makes debugging X easier. 6905d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org * In your debugger, set a breakpoint on _XError to stop when an 6915d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org * X protocol error is generated. 6925d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org */ 6935d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org XSynchronize( display, 1 ); 6945d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org } 6955d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org 6965d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org v = (XMesaVisual) CALLOC_STRUCT(xmesa_visual); 6979875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com if (!v) { 69877e498e6ba5603b64988c3243ee97b6165147298junov@google.com return NULL; 6998570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com } 7005af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com 701f6f123d23608a4a5fe9c812d2452039a18da7e0brobertphillips@google.com v->display = display; 7027361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 7039875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com /* Save a copy of the XVisualInfo struct because the user may Xfree() 70473fb0422a6c18896a685240af176c1a2ce7e9e38tomhudson@google.com * the struct but we may need some of the information contained in it 70573fb0422a6c18896a685240af176c1a2ce7e9e38tomhudson@google.com * at a later time. 70673fb0422a6c18896a685240af176c1a2ce7e9e38tomhudson@google.com */ 7079875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com v->visinfo = (XVisualInfo *) MALLOC(sizeof(*visinfo)); 7088570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com if (!v->visinfo) { 70977e498e6ba5603b64988c3243ee97b6165147298junov@google.com free(v); 7105af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com return NULL; 71173fb0422a6c18896a685240af176c1a2ce7e9e38tomhudson@google.com } 71273fb0422a6c18896a685240af176c1a2ce7e9e38tomhudson@google.com memcpy(v->visinfo, visinfo, sizeof(*visinfo)); 71377e498e6ba5603b64988c3243ee97b6165147298junov@google.com 71477e498e6ba5603b64988c3243ee97b6165147298junov@google.com v->ximage_flag = ximage_flag; 71577e498e6ba5603b64988c3243ee97b6165147298junov@google.com 716d3b9fbbc48c13a1b2a664cf7e01374a44c201f51robertphillips@google.com v->mesa_visual.redMask = visinfo->red_mask; 717e24a07980eee6a4a743b0099e2ed5d44bd9715c4twiz@google.com v->mesa_visual.greenMask = visinfo->green_mask; 7189875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com v->mesa_visual.blueMask = visinfo->blue_mask; 7199875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com v->visualID = visinfo->visualid; 7207361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com v->screen = visinfo->screen; 7217361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 7227361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com#if !(defined(__cplusplus) || defined(c_plusplus)) 7237361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com v->visualType = xmesa_convert_from_x_visual_type(visinfo->class); 7247361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com#else 7257361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com v->visualType = xmesa_convert_from_x_visual_type(visinfo->c_class); 7267361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com#endif 7277361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 7289875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com v->mesa_visual.visualRating = visualCaveat; 7297361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 7307361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com if (alpha_flag) 7317361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com v->mesa_visual.alphaBits = 8; 7321a7e9461bb2bf3a56023cd6fbbc6f009e7537a1ereed@google.com 7337361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com (void) initialize_visual_and_buffer( v, NULL, rgb_flag, 0, 0 ); 7347361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 7357361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com { 7367361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com const int xclass = v->visualType; 7377361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com if (xclass == GLX_TRUE_COLOR || xclass == GLX_DIRECT_COLOR) { 7387361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com red_bits = _mesa_bitcount(GET_REDMASK(v)); 7397361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com green_bits = _mesa_bitcount(GET_GREENMASK(v)); 7407361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com blue_bits = _mesa_bitcount(GET_BLUEMASK(v)); 7417361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com } 7427361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com else { 7437361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com /* this is an approximation */ 744686abdfab0e4c45de1fd30774896c46e43a299acvandebo@chromium.org int depth; 745b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com depth = v->visinfo->depth; 7467361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com red_bits = depth / 3; 7477361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com depth -= red_bits; 7487361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com green_bits = depth / 2; 7497361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com depth -= green_bits; 7507361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com blue_bits = depth; 751b29c883fb46ac6099440d82ac57b86d25386daedbungeman@google.com alpha_bits = 0; 75200dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com assert( red_bits + green_bits + blue_bits == v->visinfo->depth ); 75300dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com } 754b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com alpha_bits = v->mesa_visual.alphaBits; 755b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com } 756b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com 757b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com /* initialize visual */ 758b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com { 759b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com struct gl_config *vis = &v->mesa_visual; 760b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com 761b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com vis->rgbMode = GL_TRUE; 762b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com vis->doubleBufferMode = db_flag; 763b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com vis->stereoMode = stereo_flag; 764b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com 765b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com vis->redBits = red_bits; 766b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com vis->greenBits = green_bits; 767b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com vis->blueBits = blue_bits; 768d9f826c0dbc38f3608797a02948adf9bc99d5d50bsalomon@google.com vis->alphaBits = alpha_bits; 7697361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com vis->rgbBits = red_bits + green_bits + blue_bits; 7707361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 7717361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com vis->indexBits = 0; 7727361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com vis->depthBits = depth_size; 7737361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com vis->stencilBits = stencil_size; 7747361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 7757361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com vis->accumRedBits = accum_red_size; 7767361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com vis->accumGreenBits = accum_green_size; 7777361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com vis->accumBlueBits = accum_blue_size; 7787361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com vis->accumAlphaBits = accum_alpha_size; 7797361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 7807361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com vis->haveAccumBuffer = accum_red_size > 0; 781d9f826c0dbc38f3608797a02948adf9bc99d5d50bsalomon@google.com vis->haveDepthBuffer = depth_size > 0; 7827361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com vis->haveStencilBuffer = stencil_size > 0; 783d9f826c0dbc38f3608797a02948adf9bc99d5d50bsalomon@google.com 7847361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com vis->numAuxBuffers = 0; 7857361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com vis->level = 0; 7867361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com vis->sampleBuffers = 0; 7877361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com vis->samples = 0; 7887361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com } 7897361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 7907361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com v->stvis.buffer_mask = ST_ATTACHMENT_FRONT_LEFT_MASK; 7917361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com if (db_flag) 7927361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com v->stvis.buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK; 7937361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com if (stereo_flag) { 7947361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com v->stvis.buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK; 7957361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com if (db_flag) 7967361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com v->stvis.buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK; 7977361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com } 7987361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 7997361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com v->stvis.color_format = choose_pixel_format(v); 8007361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com if (v->stvis.color_format == PIPE_FORMAT_NONE) { 8017361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com FREE(v->visinfo); 802d9f826c0dbc38f3608797a02948adf9bc99d5d50bsalomon@google.com FREE(v); 803d9f826c0dbc38f3608797a02948adf9bc99d5d50bsalomon@google.com return NULL; 8049875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com } 80500dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com 8068923c6cfd580ac9accb11b909fa2a033d69553aareed@google.com v->stvis.depth_stencil_format = 8078923c6cfd580ac9accb11b909fa2a033d69553aareed@google.com choose_depth_stencil_format(xmdpy, depth_size, stencil_size); 808d4dfd10bb6f9bf3ac6e1ebc9bc3ae22c6d06321freed@google.com 8097bc13a62609149f0b535c2f3ff7210eb834d8b36epoger@google.com v->stvis.accum_format = (accum_red_size + 8107bc13a62609149f0b535c2f3ff7210eb834d8b36epoger@google.com accum_green_size + accum_blue_size + accum_alpha_size) ? 8118015dd83ae37147bb630d4751030868051ad0caereed@android.com PIPE_FORMAT_R16G16B16A16_SNORM : PIPE_FORMAT_NONE; 8125d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org 8138015dd83ae37147bb630d4751030868051ad0caereed@android.com v->stvis.samples = num_samples; 8149875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com v->stvis.render_buffer = ST_ATTACHMENT_INVALID; 8158570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com 8168015dd83ae37147bb630d4751030868051ad0caereed@android.com /* XXX minor hack */ 817b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com v->mesa_visual.level = level; 818e24a07980eee6a4a743b0099e2ed5d44bd9715c4twiz@google.com return v; 819ab9739777cc84bf6c7e86372ade87a4ec468d1e6reed@google.com} 820b8b0983c9e06771154accb0c50570b0cc6f138ccreed@google.com 8215af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com 8226abfa49b9727cabb9550d35cdef28007df0c9b8btomhudson@google.comPUBLIC 823f6f123d23608a4a5fe9c812d2452039a18da7e0brobertphillips@google.comvoid XMesaDestroyVisual( XMesaVisual v ) 8244370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com{ 825e24a07980eee6a4a743b0099e2ed5d44bd9715c4twiz@google.com free(v->visinfo); 826e24a07980eee6a4a743b0099e2ed5d44bd9715c4twiz@google.com free(v); 827e8fcb5017cfcaf5b02d8a11e62073d6903aa02a5reed@google.com} 828e8fcb5017cfcaf5b02d8a11e62073d6903aa02a5reed@google.com 8299875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 8308015dd83ae37147bb630d4751030868051ad0caereed@android.com/** 8318015dd83ae37147bb630d4751030868051ad0caereed@android.com * Do per-display initializations. 8328015dd83ae37147bb630d4751030868051ad0caereed@android.com */ 8338015dd83ae37147bb630d4751030868051ad0caereed@android.comvoid 8348015dd83ae37147bb630d4751030868051ad0caereed@android.comxmesa_init( Display *display ) 8358015dd83ae37147bb630d4751030868051ad0caereed@android.com{ 8368015dd83ae37147bb630d4751030868051ad0caereed@android.com xmesa_init_display(display); 8375d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org} 8385d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org 8395d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org 8405d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org/** 8415d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org * Create a new XMesaContext. 8428015dd83ae37147bb630d4751030868051ad0caereed@android.com * \param v the XMesaVisual 8438015dd83ae37147bb630d4751030868051ad0caereed@android.com * \param share_list another XMesaContext with which to share display 8448015dd83ae37147bb630d4751030868051ad0caereed@android.com * lists or NULL if no sharing is wanted. 8458015dd83ae37147bb630d4751030868051ad0caereed@android.com * \return an XMesaContext or NULL if error. 8468015dd83ae37147bb630d4751030868051ad0caereed@android.com */ 8473d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.comPUBLIC 8489875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.comXMesaContext XMesaCreateContext( XMesaVisual v, XMesaContext share_list ) 8493d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com{ 8503d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com XMesaDisplay xmdpy = xmesa_init_display(v->display); 8513d3f092a9547779a1f0fb6dac202349f50969ab2reed@google.com struct st_context_attribs attribs; 8528570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com XMesaContext c; 8538570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com 8548570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com if (!xmdpy) 8558570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com return NULL; 8568570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com 85710afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org /* Note: the XMesaContext contains a Mesa GLcontext struct (inheritance) */ 85810afbefa5b60b0f7e8d2b02f4c996de88aa26830mike@reedtribe.org c = (XMesaContext) CALLOC_STRUCT(xmesa_context); 8595af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com if (!c) 8605af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com return NULL; 861b8b0983c9e06771154accb0c50570b0cc6f138ccreed@google.com 862b8b0983c9e06771154accb0c50570b0cc6f138ccreed@google.com c->xm_visual = v; 863ab9739777cc84bf6c7e86372ade87a4ec468d1e6reed@google.com c->xm_buffer = NULL; /* set later by XMesaMakeCurrent */ 864ab9739777cc84bf6c7e86372ade87a4ec468d1e6reed@google.com c->xm_read_buffer = NULL; 8654370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com 8664370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com memset(&attribs, 0, sizeof(attribs)); 867e8fcb5017cfcaf5b02d8a11e62073d6903aa02a5reed@google.com attribs.profile = ST_PROFILE_DEFAULT; 868e8fcb5017cfcaf5b02d8a11e62073d6903aa02a5reed@google.com attribs.visual = v->stvis; 869e8fcb5017cfcaf5b02d8a11e62073d6903aa02a5reed@google.com 870e8fcb5017cfcaf5b02d8a11e62073d6903aa02a5reed@google.com c->st = stapi->create_context(stapi, xmdpy->smapi, 87173fb0422a6c18896a685240af176c1a2ce7e9e38tomhudson@google.com &attribs, (share_list) ? share_list->st : NULL); 87273fb0422a6c18896a685240af176c1a2ce7e9e38tomhudson@google.com if (c->st == NULL) 873ece2b0297c1d55c46b4c63ba7a54f518a490a502reed@google.com goto fail; 874ece2b0297c1d55c46b4c63ba7a54f518a490a502reed@google.com 875ece2b0297c1d55c46b4c63ba7a54f518a490a502reed@google.com c->st->st_manager_private = (void *) c; 876b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com 877b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com return c; 878ece2b0297c1d55c46b4c63ba7a54f518a490a502reed@google.com 879e24a07980eee6a4a743b0099e2ed5d44bd9715c4twiz@google.comfail: 8808570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com if (c->st) 8819875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com c->st->destroy(c->st); 8828570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com 8838570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com free(c); 8849875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com return NULL; 8859875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com} 8869875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 8878570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com 8888570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com 8899875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.comPUBLIC 890873cb1e23b64e4b2d11749352b626bcef204bdd7reed@google.comvoid XMesaDestroyContext( XMesaContext c ) 8918570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com{ 8928570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com c->st->destroy(c->st); 8937361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 894873cb1e23b64e4b2d11749352b626bcef204bdd7reed@google.com /* FIXME: We should destroy the screen here, but if we do so, surfaces may 89500f883e6413202a150eb1b53213d2eb3047d7067reed@android.com * outlive it, causing segfaults 89600f883e6413202a150eb1b53213d2eb3047d7067reed@android.com struct pipe_screen *screen = c->st->pipe->screen; 8979284ccd8bc4e3dfed83485d9fa94ebd69c4b9741epoger@google.com screen->destroy(screen); 8989284ccd8bc4e3dfed83485d9fa94ebd69c4b9741epoger@google.com */ 89900f883e6413202a150eb1b53213d2eb3047d7067reed@android.com 90000f883e6413202a150eb1b53213d2eb3047d7067reed@android.com free(c); 9015d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org} 9025d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org 9035d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org 9048570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com 9058570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com/** 9068570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com * Private function for creating an XMesaBuffer which corresponds to an 9078570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com * X window or pixmap. 908c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com * \param v the window's XMesaVisual 909c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com * \param w the window we're wrapping 910c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com * \return new XMesaBuffer or NULL if error 911c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com */ 912c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.comPUBLIC XMesaBuffer 913c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.comXMesaCreateWindowBuffer(XMesaVisual v, Window w) 914e24a07980eee6a4a743b0099e2ed5d44bd9715c4twiz@google.com{ 915e24a07980eee6a4a743b0099e2ed5d44bd9715c4twiz@google.com XWindowAttributes attr; 916e24a07980eee6a4a743b0099e2ed5d44bd9715c4twiz@google.com XMesaBuffer b; 917e24a07980eee6a4a743b0099e2ed5d44bd9715c4twiz@google.com Colormap cmap; 9187361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com int depth; 9197361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 92000dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com assert(v); 921ece2b0297c1d55c46b4c63ba7a54f518a490a502reed@google.com assert(w); 922b2a5162f1da657839c542de9a5592a95fe05536dreed@google.com 923ece2b0297c1d55c46b4c63ba7a54f518a490a502reed@google.com /* Check that window depth matches visual depth */ 924ece2b0297c1d55c46b4c63ba7a54f518a490a502reed@google.com XGetWindowAttributes( v->display, w, &attr ); 925ece2b0297c1d55c46b4c63ba7a54f518a490a502reed@google.com depth = attr.depth; 926ece2b0297c1d55c46b4c63ba7a54f518a490a502reed@google.com if (v->visinfo->depth != depth) { 9279875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com _mesa_warning(NULL, "XMesaCreateWindowBuffer: depth mismatch between visual (%d) and window (%d)!\n", 928ece2b0297c1d55c46b4c63ba7a54f518a490a502reed@google.com v->visinfo->depth, depth); 9298015dd83ae37147bb630d4751030868051ad0caereed@android.com return NULL; 930cae6b3f1e85239f95fcdad2b341ccbe83a8a2a40tomhudson@google.com } 9318015dd83ae37147bb630d4751030868051ad0caereed@android.com 9329875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com /* Find colormap */ 9337361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com if (attr.colormap) { 9347361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com cmap = attr.colormap; 9357361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com } 9367361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com else { 9377361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com _mesa_warning(NULL, "Window %u has no colormap!\n", (unsigned int) w); 9387361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com /* this is weird, a window w/out a colormap!? */ 9397361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com /* OK, let's just allocate a new one and hope for the best */ 9407361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com cmap = XCreateColormap(v->display, w, attr.visual, AllocNone); 9417361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com } 9427361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 9437361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com b = create_xmesa_buffer((Drawable) w, WINDOW, v, cmap); 9447361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com if (!b) 9457361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com return NULL; 9467361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 9477361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com if (!initialize_visual_and_buffer( v, b, v->mesa_visual.rgbMode, 9487361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com (Drawable) w, cmap )) { 9497361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com xmesa_free_buffer(b); 950daf12bb01a58e18056479687f22d09d79f66a7afbsalomon@google.com return NULL; 9517361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com } 9527361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 9537361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com return b; 9547361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com} 9557361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 9567361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 9577361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com 9587361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com/** 959c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com * Create a new XMesaBuffer from an X pixmap. 96029d3501e3bda5e84c47824e17937961852b4efa6bsalomon@google.com * 961e24a07980eee6a4a743b0099e2ed5d44bd9715c4twiz@google.com * \param v the XMesaVisual 96264e011a59d0bfce8bf523211e4e4ed1939032b87bungeman@google.com * \param p the pixmap 96364e011a59d0bfce8bf523211e4e4ed1939032b87bungeman@google.com * \param cmap the colormap, may be 0 if using a \c GLX_TRUE_COLOR or 964ab9739777cc84bf6c7e86372ade87a4ec468d1e6reed@google.com * \c GLX_DIRECT_COLOR visual for the pixmap 965ab9739777cc84bf6c7e86372ade87a4ec468d1e6reed@google.com * \returns new XMesaBuffer or NULL if error 966ab9739777cc84bf6c7e86372ade87a4ec468d1e6reed@google.com */ 967c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.comPUBLIC XMesaBuffer 968c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.comXMesaCreatePixmapBuffer(XMesaVisual v, Pixmap p, Colormap cmap) 969c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com{ 9709875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com XMesaBuffer b; 971c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 972c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com assert(v); 973c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 974c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com b = create_xmesa_buffer((Drawable) p, PIXMAP, v, cmap); 975c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com if (!b) 97673fb0422a6c18896a685240af176c1a2ce7e9e38tomhudson@google.com return NULL; 9779875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com 978c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode, 979c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com (Drawable) p, cmap)) { 980c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com xmesa_free_buffer(b); 9817361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com return NULL; 982c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com } 983c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 984c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com return b; 9854370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com} 986e24a07980eee6a4a743b0099e2ed5d44bd9715c4twiz@google.com 9878570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com 9884370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com/** 9898570b5c8695052378491b0c61e745d736fe85c8drobertphillips@google.com * For GLX_EXT_texture_from_pixmap 9907361f54294d65a5c42ce5cf1cd56d0fd7122e268bsalomon@google.com */ 9914370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.comXMesaBuffer 9924370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.comXMesaCreatePixmapTextureBuffer(XMesaVisual v, Pixmap p, 993c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com Colormap cmap, 994c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com int format, int target, int mipmap) 995c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com{ 996c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com GET_CURRENT_CONTEXT(ctx); 997c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com XMesaBuffer b; 998c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com 999c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com assert(v); 10005af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com 10015af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com b = create_xmesa_buffer((Drawable) p, PIXMAP, v, cmap); 10025af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com if (!b) 10035af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com return NULL; 10045af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com 10055af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com /* get pixmap size */ 10065af9b2032b552516c9223d9fb22185b022b13c62scroggo@google.com xmesa_get_window_size(v->display, b, &b->width, &b->height); 1007a2ca41e3afdd8fad5e0e924dec029f33918e0a67djsollen@google.com 1008a2ca41e3afdd8fad5e0e924dec029f33918e0a67djsollen@google.com if (target == 0) { 1009c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com /* examine dims */ 1010c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com if (ctx->Extensions.ARB_texture_non_power_of_two) { 1011c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com target = GLX_TEXTURE_2D_EXT; 1012c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com } 10135d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org else if ( _mesa_bitcount(b->width) == 1 10145d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org && _mesa_bitcount(b->height) == 1) { 10155d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org /* power of two size */ 10165d0c62f0f654127b7d66358405d824266868bd1dmike@reedtribe.org if (b->height == 1) { 1017c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com target = GLX_TEXTURE_1D_EXT; 1018c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com } 1019c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com else { 1020c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com target = GLX_TEXTURE_2D_EXT; 1021c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com } 1022c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com } 1023c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com else if (ctx->Extensions.NV_texture_rectangle) { 1024c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com target = GLX_TEXTURE_RECTANGLE_EXT; 1025c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com } 1026c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com else { 1027c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com /* non power of two textures not supported */ 1028c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com XMesaDestroyBuffer(b); 1029c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com return 0; 103073fb0422a6c18896a685240af176c1a2ce7e9e38tomhudson@google.com } 10319875dd14af6d768da8d1a4be58b98fc91ceca0ddtomhudson@google.com } 103200dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com 103300dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com b->TextureTarget = target; 1034c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com b->TextureFormat = format; 1035c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com b->TextureMipmap = mipmap; 1036f6f123d23608a4a5fe9c812d2452039a18da7e0brobertphillips@google.com 1037c7cf2b351f85712a8ed0e1c495d1045dbaa7b785epoger@google.com if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode, 103800dae86f5872b60927b28a32b375bc01cd7c61c9reed@android.com (Drawable) p, cmap)) { 1039 xmesa_free_buffer(b); 1040 return NULL; 1041 } 1042 1043 return b; 1044} 1045 1046 1047 1048XMesaBuffer 1049XMesaCreatePBuffer(XMesaVisual v, Colormap cmap, 1050 unsigned int width, unsigned int height) 1051{ 1052 Window root; 1053 Drawable drawable; /* X Pixmap Drawable */ 1054 XMesaBuffer b; 1055 1056 /* allocate pixmap for front buffer */ 1057 root = RootWindow( v->display, v->visinfo->screen ); 1058 drawable = XCreatePixmap(v->display, root, width, height, 1059 v->visinfo->depth); 1060 if (!drawable) 1061 return NULL; 1062 1063 b = create_xmesa_buffer(drawable, PBUFFER, v, cmap); 1064 if (!b) 1065 return NULL; 1066 1067 if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode, 1068 drawable, cmap)) { 1069 xmesa_free_buffer(b); 1070 return NULL; 1071 } 1072 1073 return b; 1074} 1075 1076 1077 1078/* 1079 * Deallocate an XMesaBuffer structure and all related info. 1080 */ 1081PUBLIC void 1082XMesaDestroyBuffer(XMesaBuffer b) 1083{ 1084 xmesa_free_buffer(b); 1085} 1086 1087 1088/** 1089 * Notify the binding context to validate the buffer. 1090 */ 1091void 1092xmesa_notify_invalid_buffer(XMesaBuffer b) 1093{ 1094 XMesaContext xmctx = XMesaGetCurrentContext(); 1095 1096 if (xmctx && xmctx->xm_buffer == b) 1097 xmctx->st->notify_invalid_framebuffer(xmctx->st, b->stfb); 1098} 1099 1100 1101/** 1102 * Query the current drawable size and notify the binding context. 1103 */ 1104void 1105xmesa_check_buffer_size(XMesaBuffer b) 1106{ 1107 if (b->type == PBUFFER) 1108 return; 1109 1110 xmesa_get_window_size(b->xm_visual->display, b, &b->width, &b->height); 1111 xmesa_notify_invalid_buffer(b); 1112} 1113 1114 1115/* 1116 * Bind buffer b to context c and make c the current rendering context. 1117 */ 1118PUBLIC 1119GLboolean XMesaMakeCurrent2( XMesaContext c, XMesaBuffer drawBuffer, 1120 XMesaBuffer readBuffer ) 1121{ 1122 XMesaContext old_ctx = XMesaGetCurrentContext(); 1123 1124 if (old_ctx && old_ctx != c) { 1125 XMesaFlush(old_ctx); 1126 old_ctx->xm_buffer = NULL; 1127 old_ctx->xm_read_buffer = NULL; 1128 } 1129 1130 if (c) { 1131 if (!drawBuffer || !readBuffer) 1132 return GL_FALSE; /* must specify buffers! */ 1133 1134 if (c == old_ctx && 1135 c->xm_buffer == drawBuffer && 1136 c->xm_read_buffer == readBuffer) 1137 return GL_TRUE; 1138 1139 xmesa_check_buffer_size(drawBuffer); 1140 if (readBuffer != drawBuffer) 1141 xmesa_check_buffer_size(readBuffer); 1142 1143 c->xm_buffer = drawBuffer; 1144 c->xm_read_buffer = readBuffer; 1145 1146 stapi->make_current(stapi, c->st, drawBuffer->stfb, readBuffer->stfb); 1147 1148 /* Solution to Stephane Rehel's problem with glXReleaseBuffersMESA(): */ 1149 drawBuffer->wasCurrent = GL_TRUE; 1150 } 1151 else { 1152 /* Detach */ 1153 stapi->make_current(stapi, NULL, NULL, NULL); 1154 1155 } 1156 return GL_TRUE; 1157} 1158 1159 1160/* 1161 * Unbind the context c from its buffer. 1162 */ 1163GLboolean XMesaUnbindContext( XMesaContext c ) 1164{ 1165 /* A no-op for XFree86 integration purposes */ 1166 return GL_TRUE; 1167} 1168 1169 1170XMesaContext XMesaGetCurrentContext( void ) 1171{ 1172 struct st_context_iface *st = stapi->get_current(stapi); 1173 return (XMesaContext) (st) ? st->st_manager_private : NULL; 1174} 1175 1176 1177 1178/** 1179 * Swap front and back color buffers and have winsys display front buffer. 1180 * If there's no front color buffer no swap actually occurs. 1181 */ 1182PUBLIC 1183void XMesaSwapBuffers( XMesaBuffer b ) 1184{ 1185 XMesaContext xmctx = XMesaGetCurrentContext(); 1186 1187 if (xmctx && xmctx->xm_buffer == b) { 1188 xmctx->st->flush( xmctx->st, 1189 PIPE_FLUSH_RENDER_CACHE | 1190 PIPE_FLUSH_SWAPBUFFERS | 1191 PIPE_FLUSH_FRAME, 1192 NULL); 1193 } 1194 1195 xmesa_swap_st_framebuffer(b->stfb); 1196} 1197 1198 1199 1200/* 1201 * Copy sub-region of back buffer to front buffer 1202 */ 1203void XMesaCopySubBuffer( XMesaBuffer b, int x, int y, int width, int height ) 1204{ 1205 xmesa_copy_st_framebuffer(b->stfb, 1206 ST_ATTACHMENT_BACK_LEFT, ST_ATTACHMENT_FRONT_LEFT, 1207 x, y, width, height); 1208} 1209 1210 1211 1212void XMesaFlush( XMesaContext c ) 1213{ 1214 if (c && c->xm_visual->display) { 1215 XMesaDisplay xmdpy = xmesa_init_display(c->xm_visual->display); 1216 struct pipe_fence_handle *fence = NULL; 1217 1218 c->st->flush(c->st, PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, &fence); 1219 if (fence) { 1220 xmdpy->screen->fence_finish(xmdpy->screen, fence, 0); 1221 xmdpy->screen->fence_reference(xmdpy->screen, &fence, NULL); 1222 } 1223 XFlush( c->xm_visual->display ); 1224 } 1225} 1226 1227 1228 1229 1230 1231XMesaBuffer XMesaFindBuffer( Display *dpy, Drawable d ) 1232{ 1233 XMesaBuffer b; 1234 for (b = XMesaBufferList; b; b = b->Next) { 1235 if (b->ws.drawable == d && b->xm_visual->display == dpy) { 1236 return b; 1237 } 1238 } 1239 return NULL; 1240} 1241 1242 1243/** 1244 * Free/destroy all XMesaBuffers associated with given display. 1245 */ 1246void xmesa_destroy_buffers_on_display(Display *dpy) 1247{ 1248 XMesaBuffer b, next; 1249 for (b = XMesaBufferList; b; b = next) { 1250 next = b->Next; 1251 if (b->xm_visual->display == dpy) { 1252 xmesa_free_buffer(b); 1253 /* delete head of list? */ 1254 if (XMesaBufferList == b) { 1255 XMesaBufferList = next; 1256 } 1257 } 1258 } 1259} 1260 1261 1262/* 1263 * Look for XMesaBuffers whose X window has been destroyed. 1264 * Deallocate any such XMesaBuffers. 1265 */ 1266void XMesaGarbageCollect( void ) 1267{ 1268 XMesaBuffer b, next; 1269 for (b=XMesaBufferList; b; b=next) { 1270 next = b->Next; 1271 if (b->xm_visual && 1272 b->xm_visual->display && 1273 b->ws.drawable && 1274 b->type == WINDOW) { 1275 XSync(b->xm_visual->display, False); 1276 if (!window_exists( b->xm_visual->display, b->ws.drawable )) { 1277 /* found a dead window, free the ancillary info */ 1278 XMesaDestroyBuffer( b ); 1279 } 1280 } 1281 } 1282} 1283 1284 1285 1286 1287PUBLIC void 1288XMesaBindTexImage(Display *dpy, XMesaBuffer drawable, int buffer, 1289 const int *attrib_list) 1290{ 1291} 1292 1293 1294 1295PUBLIC void 1296XMesaReleaseTexImage(Display *dpy, XMesaBuffer drawable, int buffer) 1297{ 1298} 1299 1300 1301void 1302XMesaCopyContext(XMesaContext src, XMesaContext dst, unsigned long mask) 1303{ 1304 if (dst->st->copy) 1305 dst->st->copy(dst->st, src->st, mask); 1306} 1307