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      1 /*
      2 * Copyright (C) 2011 The Android Open Source Project
      3 *
      4 * Licensed under the Apache License, Version 2.0 (the "License");
      5 * you may not use this file except in compliance with the License.
      6 * You may obtain a copy of the License at
      7 *
      8 * http://www.apache.org/licenses/LICENSE-2.0
      9 *
     10 * Unless required by applicable law or agreed to in writing, software
     11 * distributed under the License is distributed on an "AS IS" BASIS,
     12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13 * See the License for the specific language governing permissions and
     14 * limitations under the License.
     15 */
     16 #ifndef _FRAMEBUFFER_DATA_H
     17 #define _FRAMEBUFFER_DATA_H
     18 
     19 #include "objectNameManager.h"
     20 #include <GLES/gl.h>
     21 #include <GLES/glext.h>
     22 
     23 class RenderbufferData : public ObjectData
     24 {
     25 public:
     26     RenderbufferData();
     27     ~RenderbufferData();
     28 
     29     unsigned int sourceEGLImage;
     30     void (*eglImageDetach)(unsigned int imageId);
     31     GLuint attachedFB;
     32     GLenum attachedPoint;
     33     GLuint eglImageGlobalTexName;
     34 
     35 };
     36 
     37 const int MAX_ATTACH_POINTS = 3;
     38 
     39 class FramebufferData : public ObjectData
     40 {
     41 public:
     42     explicit FramebufferData(GLuint name);
     43     ~FramebufferData();
     44 
     45     void setAttachment(GLenum attachment,
     46                        GLenum target,
     47                        GLuint name,
     48                        ObjectDataPtr obj,
     49                        bool takeOwnership = false);
     50 
     51     GLuint getAttachment(GLenum attachment,
     52                          GLenum *outTarget,
     53                          ObjectDataPtr *outObj);
     54 
     55     void validate(class GLEScontext* ctx);
     56 
     57 private:
     58     inline int attachmentPointIndex(GLenum attachment);
     59     void detachObject(int idx);
     60 
     61 private:
     62     GLuint m_fbName;
     63     struct attachPoint {
     64         GLenum target; // OGL if owned, GLES otherwise
     65         GLuint name; // OGL if owned, GLES otherwise
     66         ObjectDataPtr obj;
     67         bool owned;
     68     } m_attachPoints[MAX_ATTACH_POINTS+1];
     69     bool m_dirty;
     70 };
     71 
     72 #endif
     73