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src/java.desktop/macosx/native/libawt_lwawt/java2d/opengl/CGLSurfaceData.m

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  73  * Makes the given context current to its associated "scratch" surface.  If
  74  * the operation is successful, this method will return JNI_TRUE; otherwise,
  75  * returns JNI_FALSE.
  76  */
  77 static jboolean
  78 CGLSD_MakeCurrentToScratch(JNIEnv *env, OGLContext *oglc)
  79 {
  80     J2dTraceLn(J2D_TRACE_INFO, "CGLSD_MakeCurrentToScratch");
  81 
  82     if (oglc == NULL) {
  83         J2dRlsTraceLn(J2D_TRACE_ERROR,
  84                       "CGLSD_MakeCurrentToScratch: context is null");
  85         return JNI_FALSE;
  86     }
  87 
  88 JNF_COCOA_ENTER(env);
  89 
  90     CGLCtxInfo *ctxinfo = (CGLCtxInfo *)oglc->ctxInfo;
  91 #if USE_NSVIEW_FOR_SCRATCH
  92     [ctxinfo->context makeCurrentContext];
  93     [ctxinfo->context setView: ctxinfo->scratchSurface];
  94 #else
  95     [ctxinfo->context clearDrawable];
  96     [ctxinfo->context makeCurrentContext];
  97     [ctxinfo->context setPixelBuffer: ctxinfo->scratchSurface
  98             cubeMapFace: 0
  99             mipMapLevel: 0
 100             currentVirtualScreen: [ctxinfo->context currentVirtualScreen]];
 101 #endif
 102 
 103 JNF_COCOA_EXIT(env);
 104 
 105     return JNI_TRUE;
 106 }
 107 
 108 /**
 109  * This function disposes of any native windowing system resources associated
 110  * with this surface.
 111  */
 112 void
 113 OGLSD_DestroyOGLSurface(JNIEnv *env, OGLSDOps *oglsdo)




  73  * Makes the given context current to its associated "scratch" surface.  If
  74  * the operation is successful, this method will return JNI_TRUE; otherwise,
  75  * returns JNI_FALSE.
  76  */
  77 static jboolean
  78 CGLSD_MakeCurrentToScratch(JNIEnv *env, OGLContext *oglc)
  79 {
  80     J2dTraceLn(J2D_TRACE_INFO, "CGLSD_MakeCurrentToScratch");
  81 
  82     if (oglc == NULL) {
  83         J2dRlsTraceLn(J2D_TRACE_ERROR,
  84                       "CGLSD_MakeCurrentToScratch: context is null");
  85         return JNI_FALSE;
  86     }
  87 
  88 JNF_COCOA_ENTER(env);
  89 
  90     CGLCtxInfo *ctxinfo = (CGLCtxInfo *)oglc->ctxInfo;
  91 #if USE_NSVIEW_FOR_SCRATCH
  92     [ctxinfo->context makeCurrentContext];

  93 #else
  94     [ctxinfo->context clearDrawable];
  95     [ctxinfo->context makeCurrentContext];
  96     [ctxinfo->context setPixelBuffer: ctxinfo->scratchSurface
  97             cubeMapFace: 0
  98             mipMapLevel: 0
  99             currentVirtualScreen: [ctxinfo->context currentVirtualScreen]];
 100 #endif
 101 
 102 JNF_COCOA_EXIT(env);
 103 
 104     return JNI_TRUE;
 105 }
 106 
 107 /**
 108  * This function disposes of any native windowing system resources associated
 109  * with this surface.
 110  */
 111 void
 112 OGLSD_DestroyOGLSurface(JNIEnv *env, OGLSDOps *oglsdo)


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