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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 _GL_SHARED_GROUP_H_
     17 #define _GL_SHARED_GROUP_H_
     18 
     19 #define GL_API
     20 #ifndef ANDROID
     21 #define GL_APIENTRY
     22 #define GL_APIENTRYP
     23 #endif
     24 
     25 #include <GLES/gl.h>
     26 #include <GLES/glext.h>
     27 #include <GLES2/gl2.h>
     28 #include <GLES2/gl2ext.h>
     29 
     30 #include <stdio.h>
     31 #include <stdlib.h>
     32 #include "ErrorLog.h"
     33 #include <utils/KeyedVector.h>
     34 #include <utils/threads.h>
     35 #include <utils/List.h>
     36 #include "FixedBuffer.h"
     37 #include "SmartPtr.h"
     38 
     39 struct BufferData {
     40     BufferData();
     41     BufferData(GLsizeiptr size, void * data);
     42     GLsizeiptr  m_size;
     43     FixedBuffer m_fixedBuffer;
     44 };
     45 
     46 class ProgramData {
     47 private:
     48     typedef struct _IndexInfo {
     49         GLint base;
     50         GLint size;
     51         GLenum type;
     52         GLint appBase;
     53         GLint hostLocsPerElement;
     54     } IndexInfo;
     55 
     56     GLuint m_numIndexes;
     57     IndexInfo* m_Indexes;
     58     bool m_initialized;
     59     bool m_locShiftWAR;
     60 public:
     61     ProgramData();
     62     void initProgramData(GLuint numIndexes);
     63     bool isInitialized();
     64     virtual ~ProgramData();
     65     void setIndexInfo(GLuint index, GLint base, GLint size, GLenum type);
     66     GLuint getIndexForLocation(GLint location);
     67     GLenum getTypeForLocation(GLint location);
     68 
     69     bool needUniformLocationWAR() const { return m_locShiftWAR; }
     70     void setupLocationShiftWAR();
     71     GLint locationWARHostToApp(GLint hostLoc, GLint arrIndex);
     72     GLint locationWARAppToHost(GLint appLoc);
     73 
     74 };
     75 
     76 class GLSharedGroup {
     77 private:
     78     android::DefaultKeyedVector<GLuint, BufferData*>    m_buffers;
     79     android::DefaultKeyedVector<GLuint, ProgramData*>    m_programs;
     80     android::List<GLuint> m_shaders;
     81     mutable android::Mutex       m_lock;
     82 public:
     83     GLSharedGroup();
     84     ~GLSharedGroup();
     85     BufferData * getBufferData(GLuint bufferId);
     86     void    addBufferData(GLuint bufferId, GLsizeiptr size, void * data);
     87     void    updateBufferData(GLuint bufferId, GLsizeiptr size, void * data);
     88     GLenum  subUpdateBufferData(GLuint bufferId, GLintptr offset, GLsizeiptr size, void * data);
     89     void    deleteBufferData(GLuint);
     90 
     91     bool    isProgram(GLuint program);
     92     bool    isProgramInitialized(GLuint program);
     93     void    addProgramData(GLuint program);
     94     void    initProgramData(GLuint program, GLuint numIndexes);
     95     void    deleteProgramData(GLuint program);
     96     void    setProgramIndexInfo(GLuint program, GLuint index, GLint base, GLint size, GLenum type);
     97     GLenum  getProgramUniformType(GLuint program, GLint location);
     98     void    setupLocationShiftWAR(GLuint program);
     99     GLint   locationWARHostToApp(GLuint program, GLint hostLoc, GLint arrIndex);
    100     GLint   locationWARAppToHost(GLuint program, GLint appLoc);
    101     bool    needUniformLocationWAR(GLuint program);
    102 
    103     void    addShaderData(GLuint shader);
    104     bool    isShader(GLuint shader);
    105     void    deleteShaderData(GLuint shader);
    106 
    107 };
    108 
    109 typedef SmartPtr<GLSharedGroup> GLSharedGroupPtr;
    110 
    111 #endif //_GL_SHARED_GROUP_H_
    112