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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _GL_SHARED_GROUP_H_
#define _GL_SHARED_GROUP_H_
#define GL_API
#ifndef ANDROID
#define GL_APIENTRY
#define GL_APIENTRYP
#endif
#include <GLES/gl.h>
#include <GLES/glext.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <stdio.h>
#include <stdlib.h>
#include "ErrorLog.h"
#include <utils/KeyedVector.h>
#include <utils/List.h>
#include <utils/String8.h>
#include <utils/threads.h>
#include "FixedBuffer.h"
#include "SmartPtr.h"
struct BufferData {
BufferData();
BufferData(GLsizeiptr size, void * data);
GLsizeiptr m_size;
FixedBuffer m_fixedBuffer;
};
class ProgramData {
private:
typedef struct _IndexInfo {
GLint base;
GLint size;
GLenum type;
GLint appBase;
GLint hostLocsPerElement;
GLuint flags;
GLint samplerValue; // only set for sampler uniforms
} IndexInfo;
GLuint m_numIndexes;
IndexInfo* m_Indexes;
bool m_initialized;
bool m_locShiftWAR;
android::Vector<GLuint> m_shaders;
public:
enum {
INDEX_FLAG_SAMPLER_EXTERNAL = 0x00000001,
};
ProgramData();
void initProgramData(GLuint numIndexes);
bool isInitialized();
virtual ~ProgramData();
void setIndexInfo(GLuint index, GLint base, GLint size, GLenum type);
void setIndexFlags(GLuint index, GLuint flags);
GLuint getIndexForLocation(GLint location);
GLenum getTypeForLocation(GLint location);
bool needUniformLocationWAR() const { return m_locShiftWAR; }
void setupLocationShiftWAR();
GLint locationWARHostToApp(GLint hostLoc, GLint arrIndex);
GLint locationWARAppToHost(GLint appLoc);
GLint getNextSamplerUniform(GLint index, GLint* val, GLenum* target);
bool setSamplerUniform(GLint appLoc, GLint val, GLenum* target);
bool attachShader(GLuint shader);
bool detachShader(GLuint shader);
size_t getNumShaders() const { return m_shaders.size(); }
GLuint getShader(size_t i) const { return m_shaders[i]; }
};
struct ShaderData {
typedef android::List<android::String8> StringList;
StringList samplerExternalNames;
int refcount;
};
class GLSharedGroup {
private:
android::DefaultKeyedVector<GLuint, BufferData*> m_buffers;
android::DefaultKeyedVector<GLuint, ProgramData*> m_programs;
android::DefaultKeyedVector<GLuint, ShaderData*> m_shaders;
mutable android::Mutex m_lock;
void refShaderDataLocked(ssize_t shaderIdx);
void unrefShaderDataLocked(ssize_t shaderIdx);
public:
GLSharedGroup();
~GLSharedGroup();
BufferData * getBufferData(GLuint bufferId);
void addBufferData(GLuint bufferId, GLsizeiptr size, void * data);
void updateBufferData(GLuint bufferId, GLsizeiptr size, void * data);
GLenum subUpdateBufferData(GLuint bufferId, GLintptr offset, GLsizeiptr size, void * data);
void deleteBufferData(GLuint);
bool isProgram(GLuint program);
bool isProgramInitialized(GLuint program);
void addProgramData(GLuint program);
void initProgramData(GLuint program, GLuint numIndexes);
void attachShader(GLuint program, GLuint shader);
void detachShader(GLuint program, GLuint shader);
void deleteProgramData(GLuint program);
void setProgramIndexInfo(GLuint program, GLuint index, GLint base, GLint size, GLenum type, const char* name);
GLenum getProgramUniformType(GLuint program, GLint location);
void setupLocationShiftWAR(GLuint program);
GLint locationWARHostToApp(GLuint program, GLint hostLoc, GLint arrIndex);
GLint locationWARAppToHost(GLuint program, GLint appLoc);
bool needUniformLocationWAR(GLuint program);
GLint getNextSamplerUniform(GLuint program, GLint index, GLint* val, GLenum* target) const;
bool setSamplerUniform(GLuint program, GLint appLoc, GLint val, GLenum* target);
bool addShaderData(GLuint shader);
// caller must hold a reference to the shader as long as it holds the pointer
ShaderData* getShaderData(GLuint shader);
void unrefShaderData(GLuint shader);
};
typedef SmartPtr<GLSharedGroup> GLSharedGroupPtr;
#endif //_GL_SHARED_GROUP_H_