shared/OpenglCodecCommon/GLSharedGroup.cpp - device/generic/goldfish-opengl - Git at Google

 /*
 * 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.
 */

 #include "GLSharedGroup.h"

 #include "KeyedVectorUtils.h"

 /**** BufferData ****/

 BufferData::BufferData() : m_size(0), m_usage(0), m_mapped(false) {};

 BufferData::BufferData(GLsizeiptr size, const void* data) :
     m_size(size), m_usage(0), m_mapped(false) {

     if (size > 0) {
         m_fixedBuffer.resize(size);
     }

     if (data) {
         memcpy(m_fixedBuffer.data(), data, size);
     }
 }

 /**** ProgramData ****/
 ProgramData::ProgramData() : m_numIndexes(0),
                              m_initialized(false) {
     m_Indexes = NULL;
 }

 void ProgramData::initProgramData(GLuint numIndexes) {
     m_initialized = true;
     m_numIndexes = numIndexes;

     delete [] m_Indexes;

     m_Indexes = new IndexInfo[numIndexes];
 }

 bool ProgramData::isInitialized() {
     return m_initialized;
 }

 ProgramData::~ProgramData() {

     delete [] m_Indexes;

     m_Indexes = NULL;
 }

 void ProgramData::setIndexInfo(
     GLuint index, GLint base, GLint size, GLenum type) {

     if (index >= m_numIndexes) return;

     m_Indexes[index].base = base;
     m_Indexes[index].size = size;
     m_Indexes[index].type = type;
     m_Indexes[index].hostLocsPerElement = 1;
     m_Indexes[index].flags = 0;
     m_Indexes[index].samplerValue = 0;
 }

 void ProgramData::setIndexFlags(GLuint index, GLuint flags) {

     if (index >= m_numIndexes) return;

     m_Indexes[index].flags |= flags;
 }

 GLuint ProgramData::getIndexForLocation(GLint location) {
     GLuint index = m_numIndexes;

     GLint minDist = -1;

     for (GLuint i = 0; i < m_numIndexes; ++i) {
         GLint dist = location - m_Indexes[i].base;
         if (dist >= 0 && (minDist < 0 || dist < minDist)) {
             index = i;
             minDist = dist;
         }
     }

     return index;
 }

 GLenum ProgramData::getTypeForLocation(GLint location) {
     GLuint index = getIndexForLocation(location);
     if (index < m_numIndexes) {
         return m_Indexes[index].type;
     }
     return 0;
 }

 GLint ProgramData::getNextSamplerUniform(
     GLint index, GLint* val, GLenum* target) {

     for (GLint i = index + 1; i >= 0 && i < (GLint)m_numIndexes; i++) {

         if (m_Indexes[i].type == GL_SAMPLER_2D) {

             if (val) *val = m_Indexes[i].samplerValue;

             if (target) {
                 if (m_Indexes[i].flags & INDEX_FLAG_SAMPLER_EXTERNAL) {
                     *target = GL_TEXTURE_EXTERNAL_OES;
                 } else {
                     *target = GL_TEXTURE_2D;
                 }
             }

             return i;
         }

     }

     return -1;
 }

 bool ProgramData::setSamplerUniform(GLint appLoc, GLint val, GLenum* target) {

     for (GLuint i = 0; i < m_numIndexes; i++) {

         GLint elemIndex = appLoc - m_Indexes[i].base;

         if (elemIndex >= 0 && elemIndex < m_Indexes[i].size) {
             if (m_Indexes[i].type == GL_SAMPLER_2D) {
                 m_Indexes[i].samplerValue = val;
                 if (target) {
                     if (m_Indexes[i].flags & INDEX_FLAG_SAMPLER_EXTERNAL) {
                         *target = GL_TEXTURE_EXTERNAL_OES;
                     } else {
                         *target = GL_TEXTURE_2D;

                     }
                 }
                 return true;
             }
         }
     }

     return false;
 }

 bool ProgramData::attachShader(GLuint shader) {
     size_t n = m_shaders.size();

     for (size_t i = 0; i < n; i++) {
         if (m_shaders[i] == shader) {
             return false;
         }
     }
     m_shaders.push_back(shader);
     return true;
 }

 bool ProgramData::detachShader(GLuint shader) {
     size_t n = m_shaders.size();

     for (size_t i = 0; i < n; i++) {
         if (m_shaders[i] == shader) {
             m_shaders.erase(m_shaders.begin() + i);
             return true;
         }
     }

     return false;
 }

 /***** GLSharedGroup ****/

 GLSharedGroup::GLSharedGroup() { }

 GLSharedGroup::~GLSharedGroup() {
     m_buffers.clear();
     m_programs.clear();
     clearObjectMap(m_buffers);
     clearObjectMap(m_programs);
     clearObjectMap(m_shaders);
     clearObjectMap(m_shaderPrograms);
 }

 bool GLSharedGroup::isShaderOrProgramObject(GLuint obj) {

     android::AutoMutex _lock(m_lock);

     return (findObjectOrDefault(m_shaders, obj) ||
             findObjectOrDefault(m_programs, obj) ||
             findObjectOrDefault(m_shaderPrograms, m_shaderProgramIdMap[obj]));
 }

 BufferData* GLSharedGroup::getBufferData(GLuint bufferId) {

     android::AutoMutex _lock(m_lock);

     return findObjectOrDefault(m_buffers, bufferId);
 }

 SharedTextureDataMap* GLSharedGroup::getTextureData() {
     return &m_textureRecs;
 }

 void GLSharedGroup::addBufferData(GLuint bufferId, GLsizeiptr size, const void* data) {

     android::AutoMutex _lock(m_lock);

     m_buffers[bufferId] = new BufferData(size, data);
 }

 void GLSharedGroup::updateBufferData(GLuint bufferId, GLsizeiptr size, const void* data) {

     android::AutoMutex _lock(m_lock);

     BufferData* currentBuffer = findObjectOrDefault(m_buffers, bufferId);

     if (currentBuffer) delete currentBuffer;

     m_buffers[bufferId] = new BufferData(size, data);
 }

 void GLSharedGroup::setBufferUsage(GLuint bufferId, GLenum usage) {

     android::AutoMutex _lock(m_lock);

     BufferData* data = findObjectOrDefault(m_buffers, bufferId);

     if (data) data->m_usage = usage;
 }

 void GLSharedGroup::setBufferMapped(GLuint bufferId, bool mapped) {
     BufferData* buf = findObjectOrDefault(m_buffers, bufferId);

     if (!buf) return;

     buf->m_mapped = mapped;
 }

 GLenum GLSharedGroup::getBufferUsage(GLuint bufferId) {
     BufferData* buf = findObjectOrDefault(m_buffers, bufferId);

     if (!buf) return 0;

     return buf->m_usage;
 }

 bool GLSharedGroup::isBufferMapped(GLuint bufferId) {
     BufferData* buf = findObjectOrDefault(m_buffers, bufferId);

     if (!buf) return false;

     return buf->m_mapped;
 }

 GLenum GLSharedGroup::subUpdateBufferData(GLuint bufferId, GLintptr offset, GLsizeiptr size, const void* data) {

     android::AutoMutex _lock(m_lock);

     BufferData* buf = findObjectOrDefault(m_buffers, bufferId);

     if ((!buf) || (buf->m_size < offset+size) || (offset < 0) || (size<0)) {
         return GL_INVALID_VALUE;
     }

     memcpy(&buf->m_fixedBuffer[offset], data, size);

     buf->m_indexRangeCache.invalidateRange((size_t)offset, (size_t)size);
     return GL_NO_ERROR;
 }

 void GLSharedGroup::deleteBufferData(GLuint bufferId) {

     android::AutoMutex _lock(m_lock);

     BufferData* buf = findObjectOrDefault(m_buffers, bufferId);
     if (buf) {
         delete buf;
         m_buffers.erase(bufferId);
     }
 }

 void GLSharedGroup::addProgramData(GLuint program) {

     android::AutoMutex _lock(m_lock);

     ProgramData* pData = findObjectOrDefault(m_programs, program);
     if (pData) {
         delete pData;
     }

     m_programs[program] = new ProgramData();
 }

 void GLSharedGroup::initProgramData(GLuint program, GLuint numIndexes) {

     android::AutoMutex _lock(m_lock);

     ProgramData* pData = findObjectOrDefault(m_programs, program);
     if (pData) {
         pData->initProgramData(numIndexes);
     }
 }

 bool GLSharedGroup::isProgramInitialized(GLuint program) {

     android::AutoMutex _lock(m_lock);

     ProgramData* pData = findObjectOrDefault(m_programs, program);

     if (pData) {
         return pData->isInitialized();
     }

     if (m_shaderProgramIdMap.find(program) == m_shaderProgramIdMap.end()) {
         return false;
     }

     ShaderProgramData* shaderProgramData =
         findObjectOrDefault(m_shaderPrograms, m_shaderProgramIdMap[program]);

     if (shaderProgramData) {
         return shaderProgramData->programData.isInitialized();
     }

     return false;
 }

 void GLSharedGroup::deleteProgramData(GLuint program) {

     android::AutoMutex _lock(m_lock);

     ProgramData* pData = findObjectOrDefault(m_programs, program);

     if (pData) delete pData;

     m_programs.erase(program);

     if (m_shaderProgramIdMap.find(program) ==
         m_shaderProgramIdMap.end()) return;

     ShaderProgramData* spData =
         findObjectOrDefault(
             m_shaderPrograms, m_shaderProgramIdMap[program]);

     if (spData) delete spData;

     m_shaderPrograms.erase(m_shaderProgramIdMap[program]);
     m_shaderProgramIdMap.erase(program);
 }

 // No such thing for separable shader programs.
 void GLSharedGroup::attachShader(GLuint program, GLuint shader) {

     android::AutoMutex _lock(m_lock);

     ProgramData* pData = findObjectOrDefault(m_programs, program);
     ShaderData* sData = findObjectOrDefault(m_shaders, shader);

     if (pData && sData) {
         if (pData->attachShader(shader)) {
             refShaderDataLocked(shader);
         }
     }
 }

 void GLSharedGroup::detachShader(GLuint program, GLuint shader) {

     android::AutoMutex _lock(m_lock);

     ProgramData* pData = findObjectOrDefault(m_programs, program);
     ShaderData* sData = findObjectOrDefault(m_shaders, shader);
     if (pData && sData) {
         if (pData->detachShader(shader)) {
             unrefShaderDataLocked(shader);
         }
     }
 }

 // Not needed/used for separate shader programs.
 void GLSharedGroup::setProgramIndexInfo(
     GLuint program, GLuint index, GLint base,
     GLint size, GLenum type, const char* name) {

     android::AutoMutex _lock(m_lock);

     ProgramData* pData = findObjectOrDefault(m_programs, program);

     if (pData) {
         pData->setIndexInfo(index,base,size,type);
         if (type == GL_SAMPLER_2D) {
             size_t n = pData->getNumShaders();
             for (size_t i = 0; i < n; i++) {
                 GLuint shaderId = pData->getShader(i);
                 ShaderData* shader = findObjectOrDefault(m_shaders, shaderId);
                 if (!shader) continue;
                 ShaderData::StringList::iterator nameIter =
                     shader->samplerExternalNames.begin();
                 ShaderData::StringList::iterator nameEnd =
                     shader->samplerExternalNames.end();
                 while (nameIter != nameEnd) {
                     if (*nameIter == name) {
                         pData->setIndexFlags(
                             index,
                             ProgramData::INDEX_FLAG_SAMPLER_EXTERNAL);
                         break;
                     }
                     ++nameIter;
                 }
             }
         }
     }
 }

 GLenum GLSharedGroup::getProgramUniformType(GLuint program, GLint location) {

     android::AutoMutex _lock(m_lock);

     ProgramData* pData = findObjectOrDefault(m_programs, program);
     GLenum type = 0;

     if (pData) {
         type = pData->getTypeForLocation(location);
     }

     if (m_shaderProgramIdMap.find(program) ==
         m_shaderProgramIdMap.end()) return type;

     ShaderProgramData* spData =
         findObjectOrDefault(
             m_shaderPrograms, m_shaderProgramIdMap[program]);

     if (spData) {
         type = spData->programData.getTypeForLocation(location);
     }

     return type;
 }

 bool GLSharedGroup::isProgram(GLuint program) {

     android::AutoMutex _lock(m_lock);

     ProgramData* pData = findObjectOrDefault(m_programs, program);

     if (pData) return true;

     if (m_shaderProgramIdMap.find(program) ==
         m_shaderProgramIdMap.end()) return false;

     ShaderProgramData* spData =
         findObjectOrDefault(m_shaderPrograms, m_shaderProgramIdMap[program]);

     if (spData) return true;

     return false;
 }

 GLint GLSharedGroup::getNextSamplerUniform(
     GLuint program, GLint index, GLint* val, GLenum* target) const {

     android::AutoMutex _lock(m_lock);

     ProgramData* pData = findObjectOrDefault(m_programs, program);

     if (pData) return pData->getNextSamplerUniform(index, val, target);

     if (m_shaderProgramIdMap.find(program) ==
         m_shaderProgramIdMap.end()) return -1;

     ShaderProgramData* spData =
         findObjectOrDefault(
             m_shaderPrograms,
             findObjectOrDefault(m_shaderProgramIdMap, program));

     if (spData) return spData->programData.getNextSamplerUniform(index, val, target);

     return -1;
 }

 bool GLSharedGroup::setSamplerUniform(
     GLuint program, GLint appLoc, GLint val, GLenum* target) {

     android::AutoMutex _lock(m_lock);

     ProgramData* pData =
         findObjectOrDefault(m_programs, program);

     if (pData) return pData->setSamplerUniform(appLoc, val, target);

     if (m_shaderProgramIdMap.find(program) ==
         m_shaderProgramIdMap.end()) return false;

     ShaderProgramData* spData =
         findObjectOrDefault(m_shaderPrograms, m_shaderProgramIdMap[program]);

     if (spData) return spData->programData.setSamplerUniform(appLoc, val, target);

     return false;
 }

 bool GLSharedGroup::isShader(GLuint shader) {

     android::AutoMutex _lock(m_lock);

     ShaderData* pData = findObjectOrDefault(m_shaders, shader);

     return pData != NULL;
 }

 bool GLSharedGroup::addShaderData(GLuint shader) {

     android::AutoMutex _lock(m_lock);

     ShaderData* data = new ShaderData;

     if (data) {
         m_shaders[shader] = data;
         data->refcount = 1;
     }

     return data != NULL;
 }

 ShaderData* GLSharedGroup::getShaderData(GLuint shader) {

     android::AutoMutex _lock(m_lock);

     return findObjectOrDefault(m_shaders, shader);
 }

 void GLSharedGroup::unrefShaderData(GLuint shader) {

     android::AutoMutex _lock(m_lock);

     unrefShaderDataLocked(shader);
 }

 void GLSharedGroup::refShaderDataLocked(GLuint shaderId) {
     ShaderData* data = findObjectOrDefault(m_shaders, shaderId);
     data->refcount++;
 }

 void GLSharedGroup::unrefShaderDataLocked(GLuint shaderId) {
     ShaderData* data = findObjectOrDefault(m_shaders, shaderId);

     if (data && --data->refcount == 0) {

         delete data;

         m_shaders.erase(shaderId);
     }
 }

 uint32_t GLSharedGroup::addNewShaderProgramData() {

     android::AutoMutex _lock(m_lock);

     ShaderProgramData* data = new ShaderProgramData;
     uint32_t currId = m_shaderProgramId;

     ALOGD("%s: new data %p id %u", __FUNCTION__, data, currId);

     m_shaderPrograms[currId] = data;
     m_shaderProgramId++;
     return currId;
 }

 void GLSharedGroup::associateGLShaderProgram(
     GLuint shaderProgramName, uint32_t shaderProgramId) {

     android::AutoMutex _lock(m_lock);

     m_shaderProgramIdMap[shaderProgramName] = shaderProgramId;
 }

 ShaderProgramData* GLSharedGroup::getShaderProgramDataById(uint32_t id) {

     android::AutoMutex _lock(m_lock);

     ShaderProgramData* res = findObjectOrDefault(m_shaderPrograms, id);

     ALOGD("%s: id=%u res=%p", __FUNCTION__, id, res);

     return res;
 }

 ShaderProgramData* GLSharedGroup::getShaderProgramData(
     GLuint shaderProgramName) {

     android::AutoMutex _lock(m_lock);

     return findObjectOrDefault(m_shaderPrograms,
                                m_shaderProgramIdMap[shaderProgramName]);
 }

 void GLSharedGroup::deleteShaderProgramDataById(uint32_t id) {

     android::AutoMutex _lock(m_lock);

     ShaderProgramData* data =
         findObjectOrDefault(m_shaderPrograms, id);

     delete data;

     m_shaderPrograms.erase(id);
 }


 void GLSharedGroup::deleteShaderProgramData(GLuint shaderProgramName) {

     android::AutoMutex _lock(m_lock);

     uint32_t id = m_shaderProgramIdMap[shaderProgramName];
     ShaderProgramData* data = findObjectOrDefault(m_shaderPrograms, id);

     delete data;

     m_shaderPrograms.erase(id);
     m_shaderProgramIdMap.erase(shaderProgramName);
 }

 void GLSharedGroup::initShaderProgramData(GLuint shaderProgram, GLuint numIndices) {
     ShaderProgramData* spData = getShaderProgramData(shaderProgram);
     spData->programData.initProgramData(numIndices);
 }

 void GLSharedGroup::setShaderProgramIndexInfo(
     GLuint shaderProgram, GLuint index, GLint base,
     GLint size, GLenum type, const char* name) {

     ShaderProgramData* spData = getShaderProgramData(shaderProgram);
     ProgramData& pData = spData->programData;
     ShaderData& sData = spData->shaderData;

     pData.setIndexInfo(index, base, size, type);

     if (type == GL_SAMPLER_2D) {

         ShaderData::StringList::iterator nameIter =
             sData.samplerExternalNames.begin();
         ShaderData::StringList::iterator nameEnd =
             sData.samplerExternalNames.end();

         while (nameIter != nameEnd) {
             if (*nameIter == name) {
                 pData.setIndexFlags(
                     index, ProgramData::INDEX_FLAG_SAMPLER_EXTERNAL);
                 break;
             }
             ++nameIter;
         }
     }
 }
	/*
	* 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.
	*/

	#include "GLSharedGroup.h"

	#include "KeyedVectorUtils.h"

	/** BufferData **/

	BufferData::BufferData() : m_size(0), m_usage(0), m_mapped(false) {};

	BufferData::BufferData(GLsizeiptr size, const void* data) :
	m_size(size), m_usage(0), m_mapped(false) {

	if (size > 0) {
	m_fixedBuffer.resize(size);
	}

	if (data) {
	memcpy(m_fixedBuffer.data(), data, size);
	}
	}

	/** ProgramData **/
	ProgramData::ProgramData() : m_numIndexes(0),
	m_initialized(false) {
	m_Indexes = NULL;
	}

	void ProgramData::initProgramData(GLuint numIndexes) {
	m_initialized = true;
	m_numIndexes = numIndexes;

	delete [] m_Indexes;

	m_Indexes = new IndexInfo[numIndexes];
	}

	bool ProgramData::isInitialized() {
	return m_initialized;
	}

	ProgramData::~ProgramData() {

	delete [] m_Indexes;

	m_Indexes = NULL;
	}

	void ProgramData::setIndexInfo(
	GLuint index, GLint base, GLint size, GLenum type) {

	if (index >= m_numIndexes) return;

	m_Indexes[index].base = base;
	m_Indexes[index].size = size;
	m_Indexes[index].type = type;
	m_Indexes[index].hostLocsPerElement = 1;
	m_Indexes[index].flags = 0;
	m_Indexes[index].samplerValue = 0;
	}

	void ProgramData::setIndexFlags(GLuint index, GLuint flags) {

	if (index >= m_numIndexes) return;

	m_Indexes[index].flags \|= flags;
	}

	GLuint ProgramData::getIndexForLocation(GLint location) {
	GLuint index = m_numIndexes;

	GLint minDist = -1;

	for (GLuint i = 0; i < m_numIndexes; ++i) {
	GLint dist = location - m_Indexes[i].base;
	if (dist >= 0 && (minDist < 0 \|\| dist < minDist)) {
	index = i;
	minDist = dist;
	}
	}

	return index;
	}

	GLenum ProgramData::getTypeForLocation(GLint location) {
	GLuint index = getIndexForLocation(location);
	if (index < m_numIndexes) {
	return m_Indexes[index].type;
	}
	return 0;
	}

	GLint ProgramData::getNextSamplerUniform(
	GLint index, GLint* val, GLenum* target) {

	for (GLint i = index + 1; i >= 0 && i < (GLint)m_numIndexes; i++) {

	if (m_Indexes[i].type == GL_SAMPLER_2D) {

	if (val) *val = m_Indexes[i].samplerValue;

	if (target) {
	if (m_Indexes[i].flags & INDEX_FLAG_SAMPLER_EXTERNAL) {
	*target = GL_TEXTURE_EXTERNAL_OES;
	} else {
	*target = GL_TEXTURE_2D;
	}
	}

	return i;
	}

	}

	return -1;
	}

	bool ProgramData::setSamplerUniform(GLint appLoc, GLint val, GLenum* target) {

	for (GLuint i = 0; i < m_numIndexes; i++) {

	GLint elemIndex = appLoc - m_Indexes[i].base;

	if (elemIndex >= 0 && elemIndex < m_Indexes[i].size) {
	if (m_Indexes[i].type == GL_SAMPLER_2D) {
	m_Indexes[i].samplerValue = val;
	if (target) {
	if (m_Indexes[i].flags & INDEX_FLAG_SAMPLER_EXTERNAL) {
	*target = GL_TEXTURE_EXTERNAL_OES;
	} else {
	*target = GL_TEXTURE_2D;

	}
	}
	return true;
	}
	}
	}

	return false;
	}

	bool ProgramData::attachShader(GLuint shader) {
	size_t n = m_shaders.size();

	for (size_t i = 0; i < n; i++) {
	if (m_shaders[i] == shader) {
	return false;
	}
	}
	m_shaders.push_back(shader);
	return true;
	}

	bool ProgramData::detachShader(GLuint shader) {
	size_t n = m_shaders.size();

	for (size_t i = 0; i < n; i++) {
	if (m_shaders[i] == shader) {
	m_shaders.erase(m_shaders.begin() + i);
	return true;
	}
	}

	return false;
	}

	/*** GLSharedGroup **/

	GLSharedGroup::GLSharedGroup() { }

	GLSharedGroup::~GLSharedGroup() {
	m_buffers.clear();
	m_programs.clear();
	clearObjectMap(m_buffers);
	clearObjectMap(m_programs);
	clearObjectMap(m_shaders);
	clearObjectMap(m_shaderPrograms);
	}

	bool GLSharedGroup::isShaderOrProgramObject(GLuint obj) {

	android::AutoMutex _lock(m_lock);

	return (findObjectOrDefault(m_shaders, obj) \|\|
	findObjectOrDefault(m_programs, obj) \|\|
	findObjectOrDefault(m_shaderPrograms, m_shaderProgramIdMap[obj]));
	}

	BufferData* GLSharedGroup::getBufferData(GLuint bufferId) {

	android::AutoMutex _lock(m_lock);

	return findObjectOrDefault(m_buffers, bufferId);
	}

	SharedTextureDataMap* GLSharedGroup::getTextureData() {
	return &m_textureRecs;
	}

	void GLSharedGroup::addBufferData(GLuint bufferId, GLsizeiptr size, const void* data) {

	android::AutoMutex _lock(m_lock);

	m_buffers[bufferId] = new BufferData(size, data);
	}

	void GLSharedGroup::updateBufferData(GLuint bufferId, GLsizeiptr size, const void* data) {

	android::AutoMutex _lock(m_lock);

	BufferData* currentBuffer = findObjectOrDefault(m_buffers, bufferId);

	if (currentBuffer) delete currentBuffer;

	m_buffers[bufferId] = new BufferData(size, data);
	}

	void GLSharedGroup::setBufferUsage(GLuint bufferId, GLenum usage) {

	android::AutoMutex _lock(m_lock);

	BufferData* data = findObjectOrDefault(m_buffers, bufferId);

	if (data) data->m_usage = usage;
	}

	void GLSharedGroup::setBufferMapped(GLuint bufferId, bool mapped) {
	BufferData* buf = findObjectOrDefault(m_buffers, bufferId);

	if (!buf) return;

	buf->m_mapped = mapped;
	}

	GLenum GLSharedGroup::getBufferUsage(GLuint bufferId) {
	BufferData* buf = findObjectOrDefault(m_buffers, bufferId);

	if (!buf) return 0;

	return buf->m_usage;
	}

	bool GLSharedGroup::isBufferMapped(GLuint bufferId) {
	BufferData* buf = findObjectOrDefault(m_buffers, bufferId);

	if (!buf) return false;

	return buf->m_mapped;
	}

	GLenum GLSharedGroup::subUpdateBufferData(GLuint bufferId, GLintptr offset, GLsizeiptr size, const void* data) {

	android::AutoMutex _lock(m_lock);

	BufferData* buf = findObjectOrDefault(m_buffers, bufferId);

	if ((!buf) \|\| (buf->m_size < offset+size) \|\| (offset < 0) \|\| (size<0)) {
	return GL_INVALID_VALUE;
	}

	memcpy(&buf->m_fixedBuffer[offset], data, size);

	buf->m_indexRangeCache.invalidateRange((size_t)offset, (size_t)size);
	return GL_NO_ERROR;
	}

	void GLSharedGroup::deleteBufferData(GLuint bufferId) {

	android::AutoMutex _lock(m_lock);

	BufferData* buf = findObjectOrDefault(m_buffers, bufferId);
	if (buf) {
	delete buf;
	m_buffers.erase(bufferId);
	}
	}

	void GLSharedGroup::addProgramData(GLuint program) {

	android::AutoMutex _lock(m_lock);

	ProgramData* pData = findObjectOrDefault(m_programs, program);
	if (pData) {
	delete pData;
	}

	m_programs[program] = new ProgramData();
	}

	void GLSharedGroup::initProgramData(GLuint program, GLuint numIndexes) {

	android::AutoMutex _lock(m_lock);

	ProgramData* pData = findObjectOrDefault(m_programs, program);
	if (pData) {
	pData->initProgramData(numIndexes);
	}
	}

	bool GLSharedGroup::isProgramInitialized(GLuint program) {

	android::AutoMutex _lock(m_lock);

	ProgramData* pData = findObjectOrDefault(m_programs, program);

	if (pData) {
	return pData->isInitialized();
	}

	if (m_shaderProgramIdMap.find(program) == m_shaderProgramIdMap.end()) {
	return false;
	}

	ShaderProgramData* shaderProgramData =
	findObjectOrDefault(m_shaderPrograms, m_shaderProgramIdMap[program]);

	if (shaderProgramData) {
	return shaderProgramData->programData.isInitialized();
	}

	return false;
	}

	void GLSharedGroup::deleteProgramData(GLuint program) {

	android::AutoMutex _lock(m_lock);

	ProgramData* pData = findObjectOrDefault(m_programs, program);

	if (pData) delete pData;

	m_programs.erase(program);

	if (m_shaderProgramIdMap.find(program) ==
	m_shaderProgramIdMap.end()) return;

	ShaderProgramData* spData =
	findObjectOrDefault(
	m_shaderPrograms, m_shaderProgramIdMap[program]);

	if (spData) delete spData;

	m_shaderPrograms.erase(m_shaderProgramIdMap[program]);
	m_shaderProgramIdMap.erase(program);
	}

	// No such thing for separable shader programs.
	void GLSharedGroup::attachShader(GLuint program, GLuint shader) {

	android::AutoMutex _lock(m_lock);

	ProgramData* pData = findObjectOrDefault(m_programs, program);
	ShaderData* sData = findObjectOrDefault(m_shaders, shader);

	if (pData && sData) {
	if (pData->attachShader(shader)) {
	refShaderDataLocked(shader);
	}
	}
	}

	void GLSharedGroup::detachShader(GLuint program, GLuint shader) {

	android::AutoMutex _lock(m_lock);

	ProgramData* pData = findObjectOrDefault(m_programs, program);
	ShaderData* sData = findObjectOrDefault(m_shaders, shader);
	if (pData && sData) {
	if (pData->detachShader(shader)) {
	unrefShaderDataLocked(shader);
	}
	}
	}

	// Not needed/used for separate shader programs.
	void GLSharedGroup::setProgramIndexInfo(
	GLuint program, GLuint index, GLint base,
	GLint size, GLenum type, const char* name) {

	android::AutoMutex _lock(m_lock);

	ProgramData* pData = findObjectOrDefault(m_programs, program);

	if (pData) {
	pData->setIndexInfo(index,base,size,type);
	if (type == GL_SAMPLER_2D) {
	size_t n = pData->getNumShaders();
	for (size_t i = 0; i < n; i++) {
	GLuint shaderId = pData->getShader(i);
	ShaderData* shader = findObjectOrDefault(m_shaders, shaderId);
	if (!shader) continue;
	ShaderData::StringList::iterator nameIter =
	shader->samplerExternalNames.begin();
	ShaderData::StringList::iterator nameEnd =
	shader->samplerExternalNames.end();
	while (nameIter != nameEnd) {
	if (*nameIter == name) {
	pData->setIndexFlags(
	index,
	ProgramData::INDEX_FLAG_SAMPLER_EXTERNAL);
	break;
	}
	++nameIter;
	}
	}
	}
	}
	}

	GLenum GLSharedGroup::getProgramUniformType(GLuint program, GLint location) {

	android::AutoMutex _lock(m_lock);

	ProgramData* pData = findObjectOrDefault(m_programs, program);
	GLenum type = 0;

	if (pData) {
	type = pData->getTypeForLocation(location);
	}

	if (m_shaderProgramIdMap.find(program) ==
	m_shaderProgramIdMap.end()) return type;

	ShaderProgramData* spData =
	findObjectOrDefault(
	m_shaderPrograms, m_shaderProgramIdMap[program]);

	if (spData) {
	type = spData->programData.getTypeForLocation(location);
	}

	return type;
	}

	bool GLSharedGroup::isProgram(GLuint program) {

	android::AutoMutex _lock(m_lock);

	ProgramData* pData = findObjectOrDefault(m_programs, program);

	if (pData) return true;

	if (m_shaderProgramIdMap.find(program) ==
	m_shaderProgramIdMap.end()) return false;

	ShaderProgramData* spData =
	findObjectOrDefault(m_shaderPrograms, m_shaderProgramIdMap[program]);

	if (spData) return true;

	return false;
	}

	GLint GLSharedGroup::getNextSamplerUniform(
	GLuint program, GLint index, GLint* val, GLenum* target) const {

	android::AutoMutex _lock(m_lock);

	ProgramData* pData = findObjectOrDefault(m_programs, program);

	if (pData) return pData->getNextSamplerUniform(index, val, target);

	if (m_shaderProgramIdMap.find(program) ==
	m_shaderProgramIdMap.end()) return -1;

	ShaderProgramData* spData =
	findObjectOrDefault(
	m_shaderPrograms,
	findObjectOrDefault(m_shaderProgramIdMap, program));

	if (spData) return spData->programData.getNextSamplerUniform(index, val, target);

	return -1;
	}

	bool GLSharedGroup::setSamplerUniform(
	GLuint program, GLint appLoc, GLint val, GLenum* target) {

	android::AutoMutex _lock(m_lock);

	ProgramData* pData =
	findObjectOrDefault(m_programs, program);

	if (pData) return pData->setSamplerUniform(appLoc, val, target);

	if (m_shaderProgramIdMap.find(program) ==
	m_shaderProgramIdMap.end()) return false;

	ShaderProgramData* spData =
	findObjectOrDefault(m_shaderPrograms, m_shaderProgramIdMap[program]);

	if (spData) return spData->programData.setSamplerUniform(appLoc, val, target);

	return false;
	}

	bool GLSharedGroup::isShader(GLuint shader) {

	android::AutoMutex _lock(m_lock);

	ShaderData* pData = findObjectOrDefault(m_shaders, shader);

	return pData != NULL;
	}

	bool GLSharedGroup::addShaderData(GLuint shader) {

	android::AutoMutex _lock(m_lock);

	ShaderData* data = new ShaderData;

	if (data) {
	m_shaders[shader] = data;
	data->refcount = 1;
	}

	return data != NULL;
	}

	ShaderData* GLSharedGroup::getShaderData(GLuint shader) {

	android::AutoMutex _lock(m_lock);

	return findObjectOrDefault(m_shaders, shader);
	}

	void GLSharedGroup::unrefShaderData(GLuint shader) {

	android::AutoMutex _lock(m_lock);

	unrefShaderDataLocked(shader);
	}

	void GLSharedGroup::refShaderDataLocked(GLuint shaderId) {
	ShaderData* data = findObjectOrDefault(m_shaders, shaderId);
	data->refcount++;
	}

	void GLSharedGroup::unrefShaderDataLocked(GLuint shaderId) {
	ShaderData* data = findObjectOrDefault(m_shaders, shaderId);

	if (data && --data->refcount == 0) {

	delete data;

	m_shaders.erase(shaderId);
	}
	}

	uint32_t GLSharedGroup::addNewShaderProgramData() {

	android::AutoMutex _lock(m_lock);

	ShaderProgramData* data = new ShaderProgramData;
	uint32_t currId = m_shaderProgramId;

	ALOGD("%s: new data %p id %u", __FUNCTION__, data, currId);

	m_shaderPrograms[currId] = data;
	m_shaderProgramId++;
	return currId;
	}

	void GLSharedGroup::associateGLShaderProgram(
	GLuint shaderProgramName, uint32_t shaderProgramId) {

	android::AutoMutex _lock(m_lock);

	m_shaderProgramIdMap[shaderProgramName] = shaderProgramId;
	}

	ShaderProgramData* GLSharedGroup::getShaderProgramDataById(uint32_t id) {

	android::AutoMutex _lock(m_lock);

	ShaderProgramData* res = findObjectOrDefault(m_shaderPrograms, id);

	ALOGD("%s: id=%u res=%p", __FUNCTION__, id, res);

	return res;
	}

	ShaderProgramData* GLSharedGroup::getShaderProgramData(
	GLuint shaderProgramName) {

	android::AutoMutex _lock(m_lock);

	return findObjectOrDefault(m_shaderPrograms,
	m_shaderProgramIdMap[shaderProgramName]);
	}

	void GLSharedGroup::deleteShaderProgramDataById(uint32_t id) {

	android::AutoMutex _lock(m_lock);

	ShaderProgramData* data =
	findObjectOrDefault(m_shaderPrograms, id);

	delete data;

	m_shaderPrograms.erase(id);
	}


	void GLSharedGroup::deleteShaderProgramData(GLuint shaderProgramName) {

	android::AutoMutex _lock(m_lock);

	uint32_t id = m_shaderProgramIdMap[shaderProgramName];
	ShaderProgramData* data = findObjectOrDefault(m_shaderPrograms, id);

	delete data;

	m_shaderPrograms.erase(id);
	m_shaderProgramIdMap.erase(shaderProgramName);
	}

	void GLSharedGroup::initShaderProgramData(GLuint shaderProgram, GLuint numIndices) {
	ShaderProgramData* spData = getShaderProgramData(shaderProgram);
	spData->programData.initProgramData(numIndices);
	}

	void GLSharedGroup::setShaderProgramIndexInfo(
	GLuint shaderProgram, GLuint index, GLint base,
	GLint size, GLenum type, const char* name) {

	ShaderProgramData* spData = getShaderProgramData(shaderProgram);
	ProgramData& pData = spData->programData;
	ShaderData& sData = spData->shaderData;

	pData.setIndexInfo(index, base, size, type);

	if (type == GL_SAMPLER_2D) {

	ShaderData::StringList::iterator nameIter =
	sData.samplerExternalNames.begin();
	ShaderData::StringList::iterator nameEnd =
	sData.samplerExternalNames.end();

	while (nameIter != nameEnd) {
	if (*nameIter == name) {
	pData.setIndexFlags(
	index, ProgramData::INDEX_FLAG_SAMPLER_EXTERNAL);
	break;
	}
	++nameIter;
	}
	}
	}