1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Mesa 3-D graphics library 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Version: 7.10 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright (C) 2011 LunarG Inc. 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the "Software"), 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * to deal in the Software without restriction, including without limitation 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * and/or sell copies of the Software, and to permit persons to whom the 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Software is furnished to do so, subject to the following conditions: 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice shall be included 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * in all copies or substantial portions of the Software. 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * DEALINGS IN THE SOFTWARE. 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Authors: 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Chia-I Wu <olv@lunarg.com> 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_debug.h" 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "state_tracker/st_api.h" 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "egl_st.h" 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_GL || FEATURE_ES1 || FEATURE_ES2 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "state_tracker/st_gl_api.h" 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_VG 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "vg_api.h" 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if _EGL_EXTERNAL_GL 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_string.h" 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_dl.h" 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "egldriver.h" 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "egllog.h" 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic struct util_dl_library *egl_st_gl_lib; 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic EGLBoolean 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgdlopen_gl_lib_cb(const char *dir, size_t len, void *callback_data) 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const char *name = (const char *) callback_data; 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org char path[1024]; 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int ret; 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (len) { 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(len <= INT_MAX && "path is insanely long!"); 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ret = util_snprintf(path, sizeof(path), "%.*s/%s" UTIL_DL_EXT, 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (int)len, dir, name); 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ret = util_snprintf(path, sizeof(path), "%s" UTIL_DL_EXT, name); 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ret > 0 && ret < sizeof(path)) { 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org egl_st_gl_lib = util_dl_open(path); 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (egl_st_gl_lib) 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _eglLog(_EGL_DEBUG, "loaded %s", path); 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return !egl_st_gl_lib; 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic struct st_api * 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgload_gl(const char *name, const char *procname) 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_api *(*create_api)(void); 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_api *stapi = NULL; 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _eglSearchPathForEach(dlopen_gl_lib_cb, (void *) name); 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!egl_st_gl_lib) 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return NULL; 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org create_api = (struct st_api *(*)(void)) 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_dl_get_proc_address(egl_st_gl_lib, procname); 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (create_api) 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stapi = create_api(); 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!stapi) { 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_dl_close(egl_st_gl_lib); 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org egl_st_gl_lib = NULL; 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return stapi; 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic struct st_api * 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgegl_st_load_gl(void) 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const char module[] = "st_GL"; 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const char symbol[] = "st_api_create_OpenGL"; 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_api *stapi; 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stapi = load_gl(module, symbol); 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* try again with libglapi.so loaded */ 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!stapi) { 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct util_dl_library *glapi = util_dl_open("libglapi" UTIL_DL_EXT); 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (glapi) { 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _eglLog(_EGL_DEBUG, "retry with libglapi" UTIL_DL_EXT " loaded"); 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stapi = load_gl(module, symbol); 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_dl_close(glapi); 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!stapi) 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _eglLog(_EGL_WARNING, "unable to load %s" UTIL_DL_EXT, module); 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return stapi; 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif /* _EGL_EXTERNAL_GL */ 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstruct st_api * 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgegl_st_create_api(enum st_api_type api) 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct st_api *stapi = NULL; 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch (api) { 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case ST_API_OPENGL: 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_GL || FEATURE_ES1 || FEATURE_ES2 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if _EGL_EXTERNAL_GL 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stapi = egl_st_load_gl(); 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#else 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stapi = st_gl_api_create(); 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case ST_API_OPENVG: 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_VG 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stapi = (struct st_api *) vg_api_get(); 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(!"Unknown API Type\n"); 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return stapi; 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgegl_st_destroy_api(struct st_api *stapi) 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if _EGL_EXTERNAL_GL 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean is_gl = (stapi->api == ST_API_OPENGL); 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stapi->destroy(stapi); 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (is_gl) { 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_dl_close(egl_st_gl_lib); 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org egl_st_gl_lib = NULL; 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#else 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org stapi->destroy(stapi); 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 168f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 169f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 170f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orguint 171f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgegl_st_get_profile_mask(enum st_api_type api) 172f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 173f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org uint mask = 0x0; 174f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 175f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org switch (api) { 176f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case ST_API_OPENGL: 177f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_GL 178f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask |= ST_PROFILE_DEFAULT_MASK; 179f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 180f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ES1 181f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask |= ST_PROFILE_OPENGL_ES1_MASK; 182f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 183f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_ES2 184f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask |= ST_PROFILE_OPENGL_ES2_MASK; 185f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 186f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 187f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org case ST_API_OPENVG: 188f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#if FEATURE_VG 189f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mask |= ST_PROFILE_DEFAULT_MASK; 190f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#endif 191f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 192f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org default: 193f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org break; 194f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 195f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 196f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return mask; 197f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 198