egl_1_4/37DestroyContext.c

   1 /*
   2  * Copyright (C) 2010 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   3  *
   4  * Contact:
   5  * DongKyun Yun <dk77.yun@samsung.com>
   6  * SangJin Kim <sangjin3.kim@samsung.com>
   7  * HyunGoo Kang <hyungoo1.kang@samsung.com>
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a copy of
  10  * this software and associated documentation files (the "Software"), to deal in
  11  * the Software without restriction, including without limitation the rights to
  12  * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
  13  * of the Software, and to permit persons to whom the Software is furnished to do
  14  * so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included in all
  17  * copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  22  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  23  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  24  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  25  * SOFTWARE.
  26  *
  27  * Contributors:
  28  * - S-Core Co., Ltd
  29  *
  30  */
  31
  32 #include "implement.h"
  33 #include <dlfcn.h>
  34
  35
  36 EGLBoolean EGLAPIENTRY eglDestroyContext(EGLDisplay dpy, EGLContext ctx) {
  37 void (*fpVGReleaseContext)(void*) = NULL;//jcpark
  38 #if defined(PROVIDING_RUNTIME_BINDING)
  39         void (*fpReleaseContext)(void*) = NULL;
  40 #endif
  41         struct DisplayExtra* pDisplay = EGLINTER(LookUpDisplay)(dpy);
  42         if (pDisplay == NULL) {
  43                 EGLINTER(SetError)(EGL_BAD_DISPLAY);
  44                 return EGL_FALSE;
  45         }
  46         if (pDisplay->bInitialized == EGL_FALSE) {
  47                 EGLINTER(SetError)(EGL_NOT_INITIALIZED);
  48                 return EGL_FALSE;
  49         }
  50
  51
  52         struct ContextExtra* pContext = EGLINTER(LookUpContext)(ctx);
  53         if (pContext == NULL) {
  54                 EGLINTER(SetError)(EGL_BAD_CONTEXT);
  55                 return EGL_FALSE;
  56         }
  57 //      switch (pContext->apiKind) {
  58 //      default:
  59 //      case EGL_OPENGL_API:
  60 //              assert(pContext->apiContext == NULL);
  61 //              break;
  62 //#if defined(PROVIDING_RUNTIME_BINDING)
  63 //      case EGL_OPENGL_ES_API:
  64 //              if (pContext->apiVersion == 2) {
  65 //                      if (EGLINTER(global).dlES2 == NULL) {
  66 //                              if ((EGLINTER(global).dlES2 = dlopen(GL_ES2_SO_FILENAME, RTLD_NOW | RTLD_GLOBAL))
  67 //                                      == NULL) {
  68 //                                      EGLINTER(SetError)(EGL_BAD_ACCESS);
  69 //                                      return;
  70 //                              }
  71 //                      }
  72 //                      fpReleaseContext = dlsym(EGLINTER(global).dlES2, EGLCROSS_PREFIX "ReleaseContext");
  73 //                      if (fpReleaseContext != NULL) {
  74 //                              (*fpReleaseContext)(pContext->apiContext);
  75 //                              pContext->apiContext = NULL;
  76 //                      }
  77 //              } else {
  78 //                      if (EGLINTER(global).dlES1 == NULL) {
  79 //                              if ((EGLINTER(global).dlES1 = dlopen(GL_ES1_SO_FILENAME, RTLD_NOW | RTLD_GLOBAL))
  80 //                                      == NULL) {
  81 //                                      EGLINTER(SetError)(EGL_BAD_ACCESS);
  82 //                                      return;
  83 //                              }
  84 //                      }
  85 //                      fpReleaseContext = dlsym(EGLINTER(global).dlES1, EGLCROSS_PREFIX "ReleaseContext");
  86 //                      if (fpReleaseContext != NULL) {
  87 //                              (*fpReleaseContext)(pContext->apiContext);
  88 //                              pContext->apiContext = NULL;
  89 //                      }
  90 //              }
  91 //              break;
  92 //#else
  93 //      case EGL_OPENGL_ES_API:
  94 //              if (pContext->apiContext != NULL) {
  95 //                      EGLCROSS(ReleaseContext)(pContext->apiContext);
  96 //              }
  97 //              break;
  98 //#endif
  99 //      case EGL_OPENVG_API:
 100 //              /* TODO: OpenVG may need some action here */
 101 //
 102 //              if (EGLINTER(global).dlVG == NULL) { printf("==jcpark vg4egl_DestroyContext 2\n");
 103 //                      if ((EGLINTER(global).dlVG = dlopen(VG_SO_FILENAME, RTLD_NOW | RTLD_GLOBAL))
 104 //                                             == NULL) { printf("==jcpark vg4egl_DestroyContext 3\n");
 105 //                                      EGLINTER(SetError)(EGL_BAD_ACCESS);
 106 //                                      return;
 107 //                      }
 108 //              }
 109 //              fpVGReleaseContext  = dlsym(EGLINTER(global).dlVG,  "vg4egl_DestroyContext");
 110 //              if (fpVGReleaseContext != NULL) {
 111 //                              (*fpVGReleaseContext)(pContext->apiContext);
 112 //                              pContext->apiContext = NULL;
 113 //                              printf("==jcpark== vg4egl_DestroyContext working\n");
 114 //              }
 115 //
 116 //              break;
 117 //      }
 118 //      FNPTR(DestroyContext)(pDisplay->native, pContext->native);
 119 //      EGLINTER(DeleteContext)(ctx);
 120 //
 121 //      return EGL_TRUE;
 122         /* Do not delete context that is current, but mark it and deleted it
 123          * when change current in eglMakeCurrent
 124          * TODO: Add refcount to track context, so can delete it when refcount
 125          * reach 0 in eglDestroyContext/eglMakeCurrent
 126          */
 127         struct ContextExtra* pPrevious = NULL;
 128         GLXContext nativePrevious = FNPTR(GetCurrentContext)();
 129         if (nativePrevious != NULL) {
 130                 EGLContext uniquePrevious = (EGLContext)(nativePrevious);
 131                 pPrevious = EGLINTER(LookUpContext)(uniquePrevious);
 132         }
 133         if (pContext == pPrevious) {
 134                 pContext->deleted = EGL_TRUE;
 135                 return EGL_TRUE;
 136         }
 137
 138         return EGLINTER(FreeContext)(pContext);
 139 }