720 lines
27 KiB
C++
720 lines
27 KiB
C++
//
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// KRMeshManager.cpp
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// KREngine
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//
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// Copyright 2012 Kearwood Gilbert. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other materials
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// provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// The views and conclusions contained in the software and documentation are those of the
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// authors and should not be interpreted as representing official policies, either expressed
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// or implied, of Kearwood Gilbert.
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//
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#include "KREngine-common.h"
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#include "KRMeshManager.h"
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#include "KRMesh.h"
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#include "KRMeshCube.h"
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#include "KRMeshQuad.h"
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#include "KRMeshSphere.h"
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KRMeshManager::KRMeshManager(KRContext &context) : KRContextObject(context) {
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m_currentVBO = NULL;
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m_vboMemUsed = 0;
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m_memoryTransferredThisFrame = 0;
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m_first_frame = true;
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m_streamerComplete = true;
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addModel(new KRMeshCube(context)); // FINDME - HACK! This needs to be fixed, as it currently segfaults
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addModel(new KRMeshQuad(context)); // FINDME - HACK! This needs to be fixed, as it currently segfaults
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addModel(new KRMeshSphere(context));
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m_draw_call_logging_enabled = false;
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m_draw_call_log_used = false;
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// ---- Initialize stock models ----
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static const GLfloat _KRENGINE_VBO_3D_CUBE_VERTEX_DATA[] = {
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1.0, 1.0, 1.0,
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-1.0, 1.0, 1.0,
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1.0,-1.0, 1.0,
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-1.0,-1.0, 1.0,
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-1.0,-1.0,-1.0,
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-1.0, 1.0, 1.0,
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-1.0, 1.0,-1.0,
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1.0, 1.0, 1.0,
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1.0, 1.0,-1.0,
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1.0,-1.0, 1.0,
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1.0,-1.0,-1.0,
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-1.0,-1.0,-1.0,
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1.0, 1.0,-1.0,
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-1.0, 1.0,-1.0
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};
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KRENGINE_VBO_3D_CUBE_ATTRIBS = (1 << KRMesh::KRENGINE_ATTRIB_VERTEX);
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KRENGINE_VBO_3D_CUBE_VERTICES.expand(sizeof(GLfloat) * 3 * 14);
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KRENGINE_VBO_3D_CUBE_VERTICES.lock();
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memcpy(KRENGINE_VBO_3D_CUBE_VERTICES.getStart(), _KRENGINE_VBO_3D_CUBE_VERTEX_DATA, sizeof(GLfloat) * 3 * 14);
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KRENGINE_VBO_3D_CUBE_VERTICES.unlock();
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KRENGINE_VBO_DATA_3D_CUBE_VERTICES.init(this, KRENGINE_VBO_3D_CUBE_VERTICES, KRENGINE_VBO_3D_CUBE_INDEXES, KRENGINE_VBO_3D_CUBE_ATTRIBS, false, KRVBOData::CONSTANT);
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static const GLfloat _KRENGINE_VBO_2D_SQUARE_VERTEX_DATA[] = {
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-1.0f, -1.0f, 0.0f, 0.0f, 0.0f,
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1.0f, -1.0f, 0.0f, 1.0f, 0.0f,
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-1.0f, 1.0f, 0.0f, 0.0f, 1.0f,
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1.0f, 1.0f, 0.0f, 1.0f, 1.0f
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};
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KRENGINE_VBO_2D_SQUARE_ATTRIBS = (1 << KRMesh::KRENGINE_ATTRIB_VERTEX) | (1 << KRMesh::KRENGINE_ATTRIB_TEXUVA);
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KRENGINE_VBO_2D_SQUARE_VERTICES.expand(sizeof(GLfloat) * 5 * 4);
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KRENGINE_VBO_2D_SQUARE_VERTICES.lock();
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memcpy(KRENGINE_VBO_2D_SQUARE_VERTICES.getStart(), _KRENGINE_VBO_2D_SQUARE_VERTEX_DATA, sizeof(GLfloat) * 5 * 4);
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KRENGINE_VBO_2D_SQUARE_VERTICES.unlock();
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KRENGINE_VBO_DATA_2D_SQUARE_VERTICES.init(this, KRENGINE_VBO_2D_SQUARE_VERTICES, KRENGINE_VBO_2D_SQUARE_INDEXES, KRENGINE_VBO_2D_SQUARE_ATTRIBS, false, KRVBOData::CONSTANT);
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}
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KRMeshManager::~KRMeshManager() {
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for(unordered_multimap<std::string, KRMesh *>::iterator itr = m_models.begin(); itr != m_models.end(); ++itr){
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delete (*itr).second;
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}
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m_models.empty();
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}
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KRMesh *KRMeshManager::loadModel(const char *szName, KRDataBlock *pData) {
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KRMesh *pModel = new KRMesh(*m_pContext, szName, pData);
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addModel(pModel);
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return pModel;
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}
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void KRMeshManager::addModel(KRMesh *model) {
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std::string lowerName = model->getLODBaseName();
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std::transform(lowerName.begin(), lowerName.end(),
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lowerName.begin(), ::tolower);
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m_models.insert(std::pair<std::string, KRMesh *>(lowerName, model));
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}
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std::vector<KRMesh *> KRMeshManager::getModel(const char *szName) {
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std::string lowerName = szName;
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std::transform(lowerName.begin(), lowerName.end(),
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lowerName.begin(), ::tolower);
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std::vector<KRMesh *> matching_models;
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std::pair<unordered_multimap<std::string, KRMesh *>::iterator, unordered_multimap<std::string, KRMesh *>::iterator> range = m_models.equal_range(lowerName);
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for(unordered_multimap<std::string, KRMesh *>::iterator itr_match = range.first; itr_match != range.second; itr_match++) {
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matching_models.push_back(itr_match->second);
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}
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std::sort(matching_models.begin(), matching_models.end(), KRMesh::lod_sort_predicate);
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if(matching_models.size() == 0) {
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KRContext::Log(KRContext::LOG_LEVEL_INFORMATION, "Model not found: %s", lowerName.c_str());
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}
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return matching_models;
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}
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unordered_multimap<std::string, KRMesh *> &KRMeshManager::getModels() {
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return m_models;
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}
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void KRMeshManager::unbindVBO() {
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if(m_currentVBO != NULL) {
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GLDEBUG(glBindBuffer(GL_ARRAY_BUFFER, 0));
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GLDEBUG(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0));
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m_currentVBO = NULL;
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}
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}
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void KRMeshManager::bindVBO(KRVBOData *vbo_data, float lodCoverage)
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{
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vbo_data->resetPoolExpiry(lodCoverage);
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bool vbo_changed = false;
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if(m_currentVBO == NULL) {
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vbo_changed = true;
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} else if(m_currentVBO->m_data != vbo_data->m_data) {
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vbo_changed = true;
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}
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bool used_vbo_data = false;
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if(vbo_changed) {
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if(m_vbosActive.find(vbo_data->m_data) != m_vbosActive.end()) {
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m_currentVBO = m_vbosActive[vbo_data->m_data];
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} else {
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used_vbo_data = true;
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m_currentVBO = vbo_data;
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m_vbosActive[vbo_data->m_data] = m_currentVBO;
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}
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m_currentVBO->bind();
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}
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if(!used_vbo_data && vbo_data->getType() == KRVBOData::TEMPORARY) {
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delete vbo_data;
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}
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}
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void KRMeshManager::startFrame(float deltaTime)
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{
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m_memoryTransferredThisFrame = 0;
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if(m_draw_call_log_used) {
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// Only log draw calls on the next frame if the draw call log was used on last frame
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m_draw_call_log_used = false;
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m_draw_call_logging_enabled = true;
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}
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m_draw_calls.clear();
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if(m_first_frame) {
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m_first_frame = false;
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firstFrame();
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}
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// TODO - Implement proper double-buffering to reduce copy operations
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m_streamerFenceMutex.lock();
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if(m_streamerComplete) {
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assert(m_activeVBOs_streamer_copy.size() == 0); // The streamer should have emptied this if it really did complete
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const long KRENGINE_VBO_EXPIRY_FRAMES = 1;
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std::set<KRVBOData *> expiredVBOs;
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for(auto itr=m_vbosActive.begin(); itr != m_vbosActive.end(); itr++) {
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KRVBOData *activeVBO = (*itr).second;
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activeVBO->_swapHandles();
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if(activeVBO->getLastFrameUsed() + KRENGINE_VBO_EXPIRY_FRAMES < getContext().getCurrentFrame()) {
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// Expire VBO's that haven't been used in a long time
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switch(activeVBO->getType()) {
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case KRVBOData::STREAMING:
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activeVBO->unload();
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break;
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case KRVBOData::TEMPORARY:
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delete activeVBO;
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break;
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case KRVBOData::CONSTANT:
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// CONSTANT VBO's are not unloaded
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break;
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}
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expiredVBOs.insert(activeVBO);
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} else {
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if(activeVBO->getType() == KRVBOData::STREAMING) {
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float priority = activeVBO->getStreamPriority();
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m_activeVBOs_streamer_copy.push_back(std::pair<float, KRVBOData *>(priority, activeVBO));
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}
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}
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}
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for(std::set<KRVBOData *>::iterator itr=expiredVBOs.begin(); itr != expiredVBOs.end(); itr++) {
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m_vbosActive.erase((*itr)->m_data);
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}
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if(m_activeVBOs_streamer_copy.size() > 0) {
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m_streamerComplete = false;
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}
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}
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m_streamerFenceMutex.unlock();
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}
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void KRMeshManager::endFrame(float deltaTime)
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{
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}
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void KRMeshManager::firstFrame()
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{
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KRENGINE_VBO_DATA_3D_CUBE_VERTICES.load();
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KRENGINE_VBO_DATA_2D_SQUARE_VERTICES.load();
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getModel("__sphere")[0]->load();
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getModel("__cube")[0]->load();
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getModel("__quad")[0]->load();
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}
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void KRMeshManager::doStreaming(long &memoryRemaining, long &memoryRemainingThisFrame)
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{
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// TODO - Implement proper double-buffering to reduce copy operations
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m_streamerFenceMutex.lock();
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m_activeVBOs_streamer = std::move(m_activeVBOs_streamer_copy);
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m_streamerFenceMutex.unlock();
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if(m_activeVBOs_streamer.size() > 0) {
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balanceVBOMemory(memoryRemaining, memoryRemainingThisFrame);
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m_streamerFenceMutex.lock();
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m_streamerComplete = true;
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m_streamerFenceMutex.unlock();
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}
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}
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void KRMeshManager::balanceVBOMemory(long &memoryRemaining, long &memoryRemainingThisFrame)
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{
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std::sort(m_activeVBOs_streamer.begin(), m_activeVBOs_streamer.end(), std::greater<std::pair<float, KRVBOData *>>());
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for(auto vbo_itr = m_activeVBOs_streamer.begin(); memoryRemainingThisFrame > 0 && vbo_itr != m_activeVBOs_streamer.end(); vbo_itr++) {
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KRVBOData *vbo_data = (*vbo_itr).second;
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if(!vbo_data->isVBOLoaded()) {
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long vbo_size = vbo_data->getSize();
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if(memoryRemainingThisFrame > vbo_size) {
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vbo_data->load();
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memoryRemainingThisFrame -= vbo_size;
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}
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memoryRemaining -= vbo_size;
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}
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}
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glFinish();
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}
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void KRMeshManager::bindVBO(KRDataBlock &data, KRDataBlock &index_data, int vertex_attrib_flags, bool static_vbo, float lodCoverage)
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{
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KRVBOData *vbo_data = new KRVBOData(this, data, index_data, vertex_attrib_flags, static_vbo, KRVBOData::TEMPORARY);
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vbo_data->load();
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bindVBO(vbo_data, lodCoverage);
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}
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void KRMeshManager::configureAttribs(__int32_t attributes)
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{
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GLsizei data_size = (GLsizei)KRMesh::VertexSizeForAttributes(attributes);
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if(KRMesh::has_vertex_attribute(attributes, KRMesh::KRENGINE_ATTRIB_VERTEX_SHORT)) {
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GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_VERTEX));
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GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_VERTEX, 3, GL_SHORT, GL_TRUE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_VERTEX_SHORT, attributes))));
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} else if(KRMesh::has_vertex_attribute(attributes, KRMesh::KRENGINE_ATTRIB_VERTEX)) {
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GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_VERTEX));
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GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_VERTEX, 3, GL_FLOAT, GL_FALSE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_VERTEX, attributes))));
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} else {
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GLDEBUG(glDisableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_VERTEX));
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}
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if(KRMesh::has_vertex_attribute(attributes, KRMesh::KRENGINE_ATTRIB_NORMAL_SHORT)) {
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GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_NORMAL));
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GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_NORMAL, 3, GL_SHORT, GL_TRUE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_NORMAL_SHORT, attributes))));
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} else if(KRMesh::has_vertex_attribute(attributes, KRMesh::KRENGINE_ATTRIB_NORMAL)) {
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GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_NORMAL));
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GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_NORMAL, 3, GL_FLOAT, GL_FALSE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_NORMAL, attributes))));
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} else {
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GLDEBUG(glDisableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_NORMAL));
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}
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if(KRMesh::has_vertex_attribute(attributes, KRMesh::KRENGINE_ATTRIB_TANGENT_SHORT)) {
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GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_TANGENT));
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GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_TANGENT, 3, GL_SHORT, GL_TRUE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_TANGENT_SHORT, attributes))));
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} else if(KRMesh::has_vertex_attribute(attributes, KRMesh::KRENGINE_ATTRIB_TANGENT)) {
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GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_TANGENT));
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GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_TANGENT, 3, GL_FLOAT, GL_FALSE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_TANGENT, attributes))));
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} else {
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GLDEBUG(glDisableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_TANGENT));
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}
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if(KRMesh::has_vertex_attribute(attributes, KRMesh::KRENGINE_ATTRIB_TEXUVA_SHORT)) {
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GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_TEXUVA));
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GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_TEXUVA, 2, GL_SHORT, GL_TRUE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_TEXUVA_SHORT, attributes))));
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} else if(KRMesh::has_vertex_attribute(attributes, KRMesh::KRENGINE_ATTRIB_TEXUVA)) {
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GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_TEXUVA));
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GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_TEXUVA, 2, GL_FLOAT, GL_FALSE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_TEXUVA, attributes))));
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} else {
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GLDEBUG(glDisableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_TEXUVA));
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}
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if(KRMesh::has_vertex_attribute(attributes, KRMesh::KRENGINE_ATTRIB_TEXUVB_SHORT)) {
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GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_TEXUVB));
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GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_TEXUVB, 2, GL_SHORT, GL_TRUE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_TEXUVB_SHORT, attributes))));
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} else if(KRMesh::has_vertex_attribute(attributes, KRMesh::KRENGINE_ATTRIB_TEXUVB)) {
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GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_TEXUVB));
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GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_TEXUVB, 2, GL_FLOAT, GL_FALSE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_TEXUVB, attributes))));
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} else {
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GLDEBUG(glDisableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_TEXUVB));
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}
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if(KRMesh::has_vertex_attribute(attributes, KRMesh::KRENGINE_ATTRIB_BONEINDEXES)) {
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GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_BONEINDEXES));
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GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_BONEINDEXES, 4, GL_UNSIGNED_BYTE, GL_FALSE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_BONEINDEXES, attributes))));
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} else {
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GLDEBUG(glDisableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_BONEINDEXES));
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}
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if(KRMesh::has_vertex_attribute(attributes, KRMesh::KRENGINE_ATTRIB_BONEWEIGHTS)) {
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GLDEBUG(glEnableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_BONEWEIGHTS));
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GLDEBUG(glVertexAttribPointer(KRMesh::KRENGINE_ATTRIB_BONEWEIGHTS, 4, GL_FLOAT, GL_FALSE, data_size, BUFFER_OFFSET(KRMesh::AttributeOffset(KRMesh::KRENGINE_ATTRIB_BONEWEIGHTS, attributes))));
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} else {
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GLDEBUG(glDisableVertexAttribArray(KRMesh::KRENGINE_ATTRIB_BONEWEIGHTS));
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}
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}
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long KRMeshManager::getMemUsed()
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{
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return m_vboMemUsed;
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}
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long KRMeshManager::getMemActive()
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{
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long mem_active = 0;
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for(unordered_map<KRDataBlock *, KRVBOData *>::iterator itr = m_vbosActive.begin(); itr != m_vbosActive.end(); itr++) {
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mem_active += (*itr).second->getSize();
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}
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return mem_active;
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}
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KRDataBlock &KRMeshManager::getVolumetricLightingVertexes()
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{
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if(m_volumetricLightingVertexData.getSize() == 0) {
|
|
m_volumetricLightingVertexData.expand(sizeof(VolumetricLightingVertexData) * KRENGINE_MAX_VOLUMETRIC_PLANES * 6);
|
|
m_volumetricLightingVertexData.lock();
|
|
VolumetricLightingVertexData * vertex_data = (VolumetricLightingVertexData *)m_volumetricLightingVertexData.getStart();
|
|
int iVertex=0;
|
|
for(int iPlane=0; iPlane < KRENGINE_MAX_VOLUMETRIC_PLANES; iPlane++) {
|
|
vertex_data[iVertex].vertex.x = -1.0f;
|
|
vertex_data[iVertex].vertex.y = -1.0f;
|
|
vertex_data[iVertex].vertex.z = iPlane;
|
|
iVertex++;
|
|
|
|
vertex_data[iVertex].vertex.x = 1.0f;
|
|
vertex_data[iVertex].vertex.y = -1.0f;
|
|
vertex_data[iVertex].vertex.z = iPlane;
|
|
iVertex++;
|
|
|
|
vertex_data[iVertex].vertex.x = -1.0f;
|
|
vertex_data[iVertex].vertex.y = 1.0f;
|
|
vertex_data[iVertex].vertex.z = iPlane;
|
|
iVertex++;
|
|
|
|
vertex_data[iVertex].vertex.x = -1.0f;
|
|
vertex_data[iVertex].vertex.y = 1.0f;
|
|
vertex_data[iVertex].vertex.z = iPlane;
|
|
iVertex++;
|
|
|
|
vertex_data[iVertex].vertex.x = 1.0f;
|
|
vertex_data[iVertex].vertex.y = -1.0f;
|
|
vertex_data[iVertex].vertex.z = iPlane;
|
|
iVertex++;
|
|
|
|
vertex_data[iVertex].vertex.x = 1.0f;
|
|
vertex_data[iVertex].vertex.y = 1.0f;
|
|
vertex_data[iVertex].vertex.z = iPlane;
|
|
iVertex++;
|
|
|
|
}
|
|
m_volumetricLightingVertexData.unlock();
|
|
}
|
|
return m_volumetricLightingVertexData;
|
|
}
|
|
|
|
KRDataBlock &KRMeshManager::getRandomParticles()
|
|
{
|
|
if(m_randomParticleVertexData.getSize() == 0) {
|
|
m_randomParticleVertexData.expand(sizeof(RandomParticleVertexData) * KRENGINE_MAX_RANDOM_PARTICLES * 3);
|
|
m_randomParticleVertexData.lock();
|
|
RandomParticleVertexData *vertex_data = (RandomParticleVertexData *)m_randomParticleVertexData.getStart();
|
|
|
|
// Generate vertices for randomly placed equilateral triangles with a side length of 1 and an origin point centered so that an inscribed circle can be efficiently rendered without wasting fill
|
|
|
|
float equilateral_triangle_height = sqrt(3.0f) * 0.5f;
|
|
float inscribed_circle_radius = 1.0f / (2.0f * sqrt(3.0f));
|
|
|
|
int iVertex=0;
|
|
for(int iParticle=0; iParticle < KRENGINE_MAX_RANDOM_PARTICLES; iParticle++) {
|
|
vertex_data[iVertex].vertex.x = (float)(arc4random() % 2000) / 1000.0f - 1000.0f;
|
|
vertex_data[iVertex].vertex.y = (float)(arc4random() % 2000) / 1000.0f - 1000.0f;
|
|
vertex_data[iVertex].vertex.z = (float)(arc4random() % 2000) / 1000.0f - 1000.0f;
|
|
vertex_data[iVertex].uva.u = -0.5f;
|
|
vertex_data[iVertex].uva.v = -inscribed_circle_radius;
|
|
iVertex++;
|
|
|
|
vertex_data[iVertex].vertex.x = vertex_data[iVertex-1].vertex.x;
|
|
vertex_data[iVertex].vertex.y = vertex_data[iVertex-1].vertex.y;
|
|
vertex_data[iVertex].vertex.z = vertex_data[iVertex-1].vertex.z;
|
|
vertex_data[iVertex].uva.u = 0.5f;
|
|
vertex_data[iVertex].uva.v = -inscribed_circle_radius;
|
|
iVertex++;
|
|
|
|
vertex_data[iVertex].vertex.x = vertex_data[iVertex-1].vertex.x;
|
|
vertex_data[iVertex].vertex.y = vertex_data[iVertex-1].vertex.y;
|
|
vertex_data[iVertex].vertex.z = vertex_data[iVertex-1].vertex.z;
|
|
vertex_data[iVertex].uva.u = 0.0f;
|
|
vertex_data[iVertex].uva.v = -inscribed_circle_radius + equilateral_triangle_height;
|
|
iVertex++;
|
|
}
|
|
m_randomParticleVertexData.unlock();
|
|
}
|
|
return m_randomParticleVertexData;
|
|
}
|
|
|
|
long KRMeshManager::getMemoryTransferedThisFrame()
|
|
{
|
|
return m_memoryTransferredThisFrame;
|
|
}
|
|
|
|
|
|
int KRMeshManager::getActiveVBOCount()
|
|
{
|
|
return m_vbosActive.size();
|
|
}
|
|
|
|
void KRMeshManager::log_draw_call(KRNode::RenderPass pass, const std::string &object_name, const std::string &material_name, int vertex_count)
|
|
{
|
|
if(m_draw_call_logging_enabled) {
|
|
draw_call_info info;
|
|
info.pass = pass;
|
|
strncpy(info.object_name, object_name.c_str(), 256);
|
|
strncpy(info.material_name, material_name.c_str(), 256);
|
|
info.vertex_count = vertex_count;
|
|
m_draw_calls.push_back(info);
|
|
}
|
|
}
|
|
|
|
std::vector<KRMeshManager::draw_call_info> KRMeshManager::getDrawCalls()
|
|
{
|
|
m_draw_call_log_used = true;
|
|
return m_draw_calls;
|
|
}
|
|
|
|
KRMeshManager::KRVBOData::KRVBOData()
|
|
{
|
|
m_is_vbo_loaded = false;
|
|
m_is_vbo_ready = false;
|
|
m_manager = NULL;
|
|
m_type = STREAMING;
|
|
m_data = NULL;
|
|
m_index_data = NULL;
|
|
m_vertex_attrib_flags = 0;
|
|
m_vbo_handle = -1;
|
|
m_vbo_handle_indexes = -1;
|
|
m_vao_handle = -1;
|
|
m_size = 0;
|
|
|
|
m_last_frame_used = 0;
|
|
m_last_frame_max_lod_coverage = 0.0f;
|
|
}
|
|
|
|
KRMeshManager::KRVBOData::KRVBOData(KRMeshManager *manager, KRDataBlock &data, KRDataBlock &index_data, int vertex_attrib_flags, bool static_vbo, vbo_type t)
|
|
{
|
|
m_is_vbo_loaded = false;
|
|
m_is_vbo_ready = false;
|
|
init(manager, data,index_data,vertex_attrib_flags, static_vbo, t);
|
|
}
|
|
|
|
void KRMeshManager::KRVBOData::init(KRMeshManager *manager, KRDataBlock &data, KRDataBlock &index_data, int vertex_attrib_flags, bool static_vbo, vbo_type t)
|
|
{
|
|
m_manager = manager;
|
|
m_type = t;
|
|
m_static_vbo = static_vbo;
|
|
m_data = &data;
|
|
m_index_data = &index_data;
|
|
m_vertex_attrib_flags = vertex_attrib_flags;
|
|
|
|
m_vbo_handle = -1;
|
|
m_vbo_handle_indexes = -1;
|
|
m_vao_handle = -1;
|
|
|
|
m_size = m_data->getSize();
|
|
if(m_index_data != NULL) {
|
|
m_size += m_index_data->getSize();
|
|
}
|
|
}
|
|
|
|
KRMeshManager::KRVBOData::~KRVBOData()
|
|
{
|
|
unload();
|
|
}
|
|
|
|
void KRMeshManager::KRVBOData::load()
|
|
{
|
|
if(isVBOLoaded()) {
|
|
return;
|
|
}
|
|
assert(m_vao_handle == -1);
|
|
assert(m_vbo_handle == -1);
|
|
assert(m_vbo_handle_indexes == -1);
|
|
|
|
GLDEBUG(glGenBuffers(1, &m_vbo_handle));
|
|
if(m_index_data->getSize() > 0) {
|
|
GLDEBUG(glGenBuffers(1, &m_vbo_handle_indexes));
|
|
}
|
|
|
|
#if GL_OES_vertex_array_object
|
|
if(m_type == CONSTANT) {
|
|
GLDEBUG(glGenVertexArraysOES(1, &m_vao_handle));
|
|
GLDEBUG(glBindVertexArrayOES(m_vao_handle));
|
|
}
|
|
#endif
|
|
|
|
GLDEBUG(glBindBuffer(GL_ARRAY_BUFFER, m_vbo_handle));
|
|
|
|
bool use_mapbuffer = true;
|
|
#if GL_OES_mapbuffer
|
|
if(use_mapbuffer) {
|
|
GLDEBUG(glBufferData(GL_ARRAY_BUFFER, m_data->getSize(), NULL, m_static_vbo ? GL_STATIC_DRAW : GL_DYNAMIC_DRAW));
|
|
GLDEBUG(void *map_ptr = glMapBufferOES(GL_ARRAY_BUFFER, GL_WRITE_ONLY_OES));
|
|
m_data->copy(map_ptr);
|
|
GLDEBUG(glUnmapBufferOES(GL_ARRAY_BUFFER));
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
m_data->lock();
|
|
GLDEBUG(glBufferData(GL_ARRAY_BUFFER, m_data->getSize(), m_data->getStart(), m_static_vbo ? GL_STATIC_DRAW : GL_DYNAMIC_DRAW));
|
|
m_data->unlock();
|
|
}
|
|
|
|
configureAttribs(m_vertex_attrib_flags);
|
|
|
|
if(m_index_data->getSize() == 0) {
|
|
GLDEBUG(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0));
|
|
} else {
|
|
GLDEBUG(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_vbo_handle_indexes));
|
|
|
|
#if GL_OES_mapbuffer
|
|
if(use_mapbuffer) {
|
|
GLDEBUG(glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_index_data->getSize(), NULL, m_static_vbo ? GL_STATIC_DRAW : GL_DYNAMIC_DRAW));
|
|
GLDEBUG(void *map_ptr = glMapBufferOES(GL_ELEMENT_ARRAY_BUFFER, GL_WRITE_ONLY_OES));
|
|
m_index_data->copy(map_ptr);
|
|
GLDEBUG(glUnmapBufferOES(GL_ELEMENT_ARRAY_BUFFER));
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
m_index_data->lock();
|
|
GLDEBUG(glBufferData(GL_ELEMENT_ARRAY_BUFFER, m_index_data->getSize(), m_index_data->getStart(), m_static_vbo ? GL_STATIC_DRAW : GL_DYNAMIC_DRAW));
|
|
m_index_data->unlock();
|
|
}
|
|
}
|
|
|
|
m_is_vbo_loaded = true;
|
|
|
|
m_manager->m_vboMemUsed += getSize();
|
|
m_manager->m_memoryTransferredThisFrame += getSize();
|
|
|
|
if(m_type == CONSTANT) {
|
|
_swapHandles();
|
|
}
|
|
}
|
|
|
|
void KRMeshManager::KRVBOData::unload()
|
|
{
|
|
if(isVBOLoaded()) {
|
|
m_manager->m_vboMemUsed -= getSize();
|
|
}
|
|
|
|
#if GL_OES_vertex_array_object
|
|
if(m_vao_handle != -1) {
|
|
GLDEBUG(glDeleteVertexArraysOES(1, &m_vao_handle));
|
|
m_vao_handle = -1;
|
|
}
|
|
#endif
|
|
if(m_vbo_handle != -1) {
|
|
GLDEBUG(glDeleteBuffers(1, &m_vbo_handle));
|
|
m_vbo_handle = -1;
|
|
}
|
|
|
|
if(m_vbo_handle_indexes != -1) {
|
|
GLDEBUG(glDeleteBuffers(1, &m_vbo_handle_indexes));
|
|
m_vbo_handle_indexes = -1;
|
|
}
|
|
|
|
m_is_vbo_loaded = false;
|
|
m_is_vbo_ready = false;
|
|
}
|
|
|
|
void KRMeshManager::KRVBOData::bind()
|
|
{
|
|
#if GL_OES_vertex_array_object
|
|
GLDEBUG(glBindVertexArrayOES(m_vao_handle));
|
|
#else
|
|
GLDEBUG(glBindBuffer(GL_ARRAY_BUFFER, m_vbo_handle));
|
|
KRMeshManager::configureAttribs(m_vertex_attrib_flags);
|
|
if(m_vbo_handle_indexes == -1) {
|
|
GLDEBUG(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0));
|
|
} else {
|
|
GLDEBUG(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_vbo_handle_indexes));
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void KRMeshManager::KRVBOData::resetPoolExpiry(float lodCoverage)
|
|
{
|
|
long current_frame = m_manager->getContext().getCurrentFrame();
|
|
if(current_frame != m_last_frame_used) {
|
|
m_last_frame_used = current_frame;
|
|
m_last_frame_max_lod_coverage = 0.0f;
|
|
|
|
m_manager->primeVBO(this);
|
|
}
|
|
m_last_frame_max_lod_coverage = KRMAX(lodCoverage, m_last_frame_max_lod_coverage);
|
|
}
|
|
|
|
|
|
float KRMeshManager::KRVBOData::getStreamPriority()
|
|
{
|
|
long current_frame = m_manager->getContext().getCurrentFrame();
|
|
if(current_frame > m_last_frame_used + 5) {
|
|
return 1.0f - KRCLAMP((float)(current_frame - m_last_frame_used) / 60.0f, 0.0f, 1.0f);
|
|
} else {
|
|
return 10000.0f + m_last_frame_max_lod_coverage * 10.0f;
|
|
}
|
|
}
|
|
|
|
void KRMeshManager::KRVBOData::_swapHandles()
|
|
{
|
|
if(m_is_vbo_loaded) {
|
|
assert(m_vbo_handle != -1);
|
|
}
|
|
|
|
#if GL_OES_vertex_array_object
|
|
if(m_is_vbo_loaded && m_vao_handle == -1) {
|
|
GLDEBUG(glGenVertexArraysOES(1, &m_vao_handle));
|
|
GLDEBUG(glBindVertexArrayOES(m_vao_handle));
|
|
|
|
GLDEBUG(glBindBuffer(GL_ARRAY_BUFFER, m_vbo_handle));
|
|
KRMeshManager::configureAttribs(m_vertex_attrib_flags);
|
|
if(m_vbo_handle_indexes == -1) {
|
|
GLDEBUG(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0));
|
|
} else {
|
|
GLDEBUG(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_vbo_handle_indexes));
|
|
}
|
|
}
|
|
#endif
|
|
|
|
m_is_vbo_ready = m_is_vbo_loaded;
|
|
}
|
|
|
|
void KRMeshManager::primeVBO(KRVBOData *vbo_data)
|
|
{
|
|
if(m_vbosActive.find(vbo_data->m_data) == m_vbosActive.end()) {
|
|
m_vbosActive[vbo_data->m_data] = vbo_data;
|
|
}
|
|
}
|