eglmisc.c revision 36a59b29ef07b78378dcb3934131d262d42612cb
111a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul/************************************************************************** 211a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * 311a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. 411a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * All Rights Reserved. 511a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * 611a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * Permission is hereby granted, free of charge, to any person obtaining a 711a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * copy of this software and associated documentation files (the 811a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * "Software"), to deal in the Software without restriction, including 911a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * without limitation the rights to use, copy, modify, merge, publish, 1011a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * distribute, sub license, and/or sell copies of the Software, and to 1111a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * permit persons to whom the Software is furnished to do so, subject to 1211a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * the following conditions: 1311a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * 1411a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * The above copyright notice and this permission notice (including the 1511a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * next paragraph) shall be included in all copies or substantial portions 1611a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * of the Software. 1711a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * 1811a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 1911a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 2011a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 2111a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 2211a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 2311a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 2411a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 2511a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * 2611a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul **************************************************************************/ 2711a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul 2811a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul 2911a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul/** 3011a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * Small/misc EGL functions 3111a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul */ 3211a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul 3311a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul 3411a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul#include <assert.h> 3511a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul#include <string.h> 3694cb321b5d246185abf71d89968d472a626f1a23Chia-I Wu#include "eglcurrent.h" 3711a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul#include "eglmisc.h" 385a2c9372a0d9fa1efd924f9386a4e3df47c17d0eChia-I Wu#include "egldisplay.h" 39a4a38dcf61f141297a083ccac217200947d57b0dChia-I Wu#include "egldriver.h" 40a4a38dcf61f141297a083ccac217200947d57b0dChia-I Wu#include "eglstring.h" 4111a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul 4211a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul 4311a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul/** 440135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu * Copy the extension into the string and update the string pointer. 450135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu */ 460135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wustatic EGLint 470135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu_eglAppendExtension(char **str, const char *ext) 480135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu{ 490135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu char *s = *str; 501e6c10f4be9e36cc052a6b47fb2cb1eae60caa00Chia-I Wu size_t len = strlen(ext); 510135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu 520135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu if (s) { 530135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu memcpy(s, ext, len); 540135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu s[len++] = ' '; 550135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu s[len] = '\0'; 560135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu 570135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu *str += len; 580135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu } 590135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu else { 600135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu len++; 610135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu } 620135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu 631e6c10f4be9e36cc052a6b47fb2cb1eae60caa00Chia-I Wu return (EGLint) len; 640135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu} 650135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu 660135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu 670135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu/** 6811a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * Examine the individual extension enable/disable flags and recompute 6911a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul * the driver's Extensions string. 7011a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul */ 7111a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paulstatic void 725a2c9372a0d9fa1efd924f9386a4e3df47c17d0eChia-I Wu_eglUpdateExtensionsString(_EGLDisplay *dpy) 7311a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul{ 740135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu#define _EGL_CHECK_EXTENSION(ext) \ 750135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu do { \ 760135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu if (dpy->Extensions.ext) { \ 770135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu _eglAppendExtension(&exts, "EGL_" #ext); \ 78a4a38dcf61f141297a083ccac217200947d57b0dChia-I Wu assert(exts <= dpy->ExtensionsString + _EGL_MAX_EXTENSIONS_LEN); \ 790135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu } \ 800135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu } while (0) 810135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu 82a4a38dcf61f141297a083ccac217200947d57b0dChia-I Wu char *exts = dpy->ExtensionsString; 8311a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul 845a2c9372a0d9fa1efd924f9386a4e3df47c17d0eChia-I Wu if (exts[0]) 855a2c9372a0d9fa1efd924f9386a4e3df47c17d0eChia-I Wu return; 865a2c9372a0d9fa1efd924f9386a4e3df47c17d0eChia-I Wu 870135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu _EGL_CHECK_EXTENSION(MESA_screen_surface); 880135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu _EGL_CHECK_EXTENSION(MESA_copy_context); 8978d70ddbbd41d73b7f6040f392eb87758c39dc37Chia-I Wu _EGL_CHECK_EXTENSION(MESA_drm_display); 90b7a8893a2413adfddf4dc836676a19463fb6ffd7Kristian Høgsberg _EGL_CHECK_EXTENSION(MESA_drm_image); 91a1c4a8a3c855d52fbfef10023b9a8f116e163a97Chia-I Wu 920135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu _EGL_CHECK_EXTENSION(KHR_image_base); 930135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu _EGL_CHECK_EXTENSION(KHR_image_pixmap); 94a1c4a8a3c855d52fbfef10023b9a8f116e163a97Chia-I Wu if (dpy->Extensions.KHR_image_base && dpy->Extensions.KHR_image_pixmap) 950135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu _eglAppendExtension(&exts, "EGL_KHR_image"); 960135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu 970135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu _EGL_CHECK_EXTENSION(KHR_vg_parent_image); 980135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu _EGL_CHECK_EXTENSION(KHR_gl_texture_2D_image); 990135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu _EGL_CHECK_EXTENSION(KHR_gl_texture_cubemap_image); 1000135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu _EGL_CHECK_EXTENSION(KHR_gl_texture_3D_image); 1010135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu _EGL_CHECK_EXTENSION(KHR_gl_renderbuffer_image); 102a1c4a8a3c855d52fbfef10023b9a8f116e163a97Chia-I Wu 1034eebea74a81ec5fbacf2347ea88cac137ddd4d69Chia-I Wu _EGL_CHECK_EXTENSION(KHR_reusable_sync); 1042b2c5c4f5cb4620044eeaa7cc308e696209c7046Chia-I Wu _EGL_CHECK_EXTENSION(KHR_fence_sync); 1054eebea74a81ec5fbacf2347ea88cac137ddd4d69Chia-I Wu 106b90a3e7d8b1bcd412ddbf2a4803de2756dacd436Kristian Høgsberg _EGL_CHECK_EXTENSION(KHR_surfaceless_gles1); 107b90a3e7d8b1bcd412ddbf2a4803de2756dacd436Kristian Høgsberg _EGL_CHECK_EXTENSION(KHR_surfaceless_gles2); 108b90a3e7d8b1bcd412ddbf2a4803de2756dacd436Kristian Høgsberg _EGL_CHECK_EXTENSION(KHR_surfaceless_opengl); 109b90a3e7d8b1bcd412ddbf2a4803de2756dacd436Kristian Høgsberg 11052c554a79d3ed3104a9f7d112faa9129073b5a25Kristian Høgsberg _EGL_CHECK_EXTENSION(NOK_swap_region); 1115dc0f49084f322dd8ff6eb585212eea8b50e3377Kristian Høgsberg _EGL_CHECK_EXTENSION(NOK_texture_from_pixmap); 1120135e5d6c83add5e539492a4899504e33f3f2434Chia-I Wu#undef _EGL_CHECK_EXTENSION 11311a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul} 11411a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul 11511a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul 116d5078b94323241a6482f54797756116b1c864327Brian Paulstatic void 1175a2c9372a0d9fa1efd924f9386a4e3df47c17d0eChia-I Wu_eglUpdateAPIsString(_EGLDisplay *dpy) 118d5078b94323241a6482f54797756116b1c864327Brian Paul{ 119a4a38dcf61f141297a083ccac217200947d57b0dChia-I Wu char *apis = dpy->ClientAPIsString; 120d5078b94323241a6482f54797756116b1c864327Brian Paul 121a4a38dcf61f141297a083ccac217200947d57b0dChia-I Wu if (apis[0] || !dpy->ClientAPIs) 1225a2c9372a0d9fa1efd924f9386a4e3df47c17d0eChia-I Wu return; 123d5078b94323241a6482f54797756116b1c864327Brian Paul 124a4a38dcf61f141297a083ccac217200947d57b0dChia-I Wu if (dpy->ClientAPIs & EGL_OPENGL_BIT) 1255a2c9372a0d9fa1efd924f9386a4e3df47c17d0eChia-I Wu strcat(apis, "OpenGL "); 126d5078b94323241a6482f54797756116b1c864327Brian Paul 127a4a38dcf61f141297a083ccac217200947d57b0dChia-I Wu if (dpy->ClientAPIs & EGL_OPENGL_ES_BIT) 1285a2c9372a0d9fa1efd924f9386a4e3df47c17d0eChia-I Wu strcat(apis, "OpenGL_ES "); 129d5078b94323241a6482f54797756116b1c864327Brian Paul 130a4a38dcf61f141297a083ccac217200947d57b0dChia-I Wu if (dpy->ClientAPIs & EGL_OPENGL_ES2_BIT) 1315a2c9372a0d9fa1efd924f9386a4e3df47c17d0eChia-I Wu strcat(apis, "OpenGL_ES2 "); 132d5078b94323241a6482f54797756116b1c864327Brian Paul 133a4a38dcf61f141297a083ccac217200947d57b0dChia-I Wu if (dpy->ClientAPIs & EGL_OPENVG_BIT) 1345a2c9372a0d9fa1efd924f9386a4e3df47c17d0eChia-I Wu strcat(apis, "OpenVG "); 135d5078b94323241a6482f54797756116b1c864327Brian Paul 13636a59b29ef07b78378dcb3934131d262d42612cbChia-I Wu assert(strlen(apis) < sizeof(dpy->ClientAPIsString)); 1375a2c9372a0d9fa1efd924f9386a4e3df47c17d0eChia-I Wu} 138d5078b94323241a6482f54797756116b1c864327Brian Paul 13911a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul 14011a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paulconst char * 1412f2cf461c57974abd89e4917945cc8ae6a67a72eChia-I Wu_eglQueryString(_EGLDriver *drv, _EGLDisplay *dpy, EGLint name) 14211a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul{ 14311a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul (void) drv; 144a4a38dcf61f141297a083ccac217200947d57b0dChia-I Wu 14511a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul switch (name) { 14611a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul case EGL_VENDOR: 14711a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul return _EGL_VENDOR_STRING; 14811a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul case EGL_VERSION: 149a4a38dcf61f141297a083ccac217200947d57b0dChia-I Wu _eglsnprintf(dpy->VersionString, sizeof(dpy->VersionString), 150a4a38dcf61f141297a083ccac217200947d57b0dChia-I Wu "%d.%d (%s)", dpy->VersionMajor, dpy->VersionMajor, 151a4a38dcf61f141297a083ccac217200947d57b0dChia-I Wu dpy->Driver->Name); 152a4a38dcf61f141297a083ccac217200947d57b0dChia-I Wu return dpy->VersionString; 15311a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul case EGL_EXTENSIONS: 1545a2c9372a0d9fa1efd924f9386a4e3df47c17d0eChia-I Wu _eglUpdateExtensionsString(dpy); 155a4a38dcf61f141297a083ccac217200947d57b0dChia-I Wu return dpy->ExtensionsString; 15611a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul case EGL_CLIENT_APIS: 1575a2c9372a0d9fa1efd924f9386a4e3df47c17d0eChia-I Wu _eglUpdateAPIsString(dpy); 158a4a38dcf61f141297a083ccac217200947d57b0dChia-I Wu return dpy->ClientAPIsString; 15911a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul default: 16011a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul _eglError(EGL_BAD_PARAMETER, "eglQueryString"); 16111a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul return NULL; 16211a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul } 16311a261ef4f1d4100c46f73ad51e7e4ed57cc1b5eBrian Paul} 164