kraken_engine/kraken
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Implemented KRBundle's

Browse Source 
Implementation of logic to allow dynamic loading and unloading of meshes and models for scenes larger than RAM in progress

--HG--
extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%4090
This commit is contained in:
kearwood
2012-09-11 03:06:35 +00:00
parent c7b7c20310
commit 34c7dc7b53
57 changed files with 1841 additions and 1089 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
KREngine/KREngine/Classes/KRModelManager.cpp
View File

@@ -34,7 +34,8 @@
#import "KRModel.h"
KRModelManager::KRModelManager(KRContext &context) : KRContextObject(context) {
m_currentVBO.handle = 0;
m_currentVBO.data = NULL;
}
KRModelManager::~KRModelManager() {
@@ -44,8 +45,8 @@ KRModelManager::~KRModelManager() {
m_models.empty();
}
KRModel *KRModelManager::loadModel(const char *szName, const char *szPath) {
KRModel *pModel = new KRModel(*m_pContext, szName, szPath);
KRModel *KRModelManager::loadModel(const char *szName, KRDataBlock *pData) {
KRModel *pModel = new KRModel(*m_pContext, szName, pData);
m_models[szName] = pModel;
return pModel;
}
@@ -63,3 +64,35 @@ std::map<std::string, KRModel *> KRModelManager::getModels() {
return m_models;
}
void KRModelManager::bindVBO(const GLvoid *data, GLsizeiptr size) {
assert(size > 0);
if(m_currentVBO.data != data || m_currentVBO.size != size) {
if(m_vbos.find(data) != m_vbos.end()) {
m_currentVBO = m_vbos[data];
assert(m_currentVBO.size == size);
glBindBuffer(GL_ARRAY_BUFFER, m_currentVBO.handle);
} else {
while(m_vbos.size() >= KRENGINE_MAX_VBO_HANDLES) {
// TODO - This should maintain a max size limit for VBO's rather than a limit on the number of VBO's. As meshes are split to multiple small VBO's, this is not too bad, but still not optimial.
std::map<const GLvoid *, vbo_info_type>::iterator first_itr = m_vbos.begin();
vbo_info_type firstVBO = first_itr->second;
glDeleteBuffers(1, &firstVBO.handle);
m_vbos.erase(first_itr);
fprintf(stderr, "VBO Swapping...");
}
m_currentVBO.handle = -1;
glGenBuffers(1, &m_currentVBO.handle);
glBindBuffer(GL_ARRAY_BUFFER, m_currentVBO.handle);
glBufferData(GL_ARRAY_BUFFER, size, data, GL_STATIC_DRAW);
m_currentVBO.size = size;
m_currentVBO.data = data;
m_vbos[data] = m_currentVBO;
}
}
}