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Optimized to reduce redundant GL state changes

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Updated header copyright dates
Further refactoring to prepare for FBX file compatibility

--HG--
extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%4010
This commit is contained in:
kearwood
2012-03-15 20:09:01 +00:00
parent e60aac615a
commit 4511d71e1d
53 changed files with 282 additions and 188 deletions
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44
KREngine/KREngine/Classes/KRModel.cpp
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@@ -1,8 +1,8 @@
//
// KRModel.cpp
// gldemo
// KREngine
//
// Copyright 2011 Kearwood Gilbert. All rights reserved.
// Copyright 2012 Kearwood Gilbert. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
@@ -55,7 +55,9 @@ void KRModel::loadPack(std::string path, KRMaterialManager *pMaterialManager) {
vector<KRMesh::Submesh *> submeshes = m_mesh.getSubmeshes();
for(std::vector<KRMesh::Submesh *>::iterator itr = submeshes.begin(); itr != submeshes.end(); itr++) {
m_materials.push_back(pMaterialManager->getMaterial((*itr)->szMaterialName));
KRMaterial *pMaterial = pMaterialManager->getMaterial((*itr)->szMaterialName);
m_materials.push_back(pMaterial);
m_uniqueMaterials.insert(pMaterial);
}
}
@@ -64,21 +66,35 @@ KRModel::~KRModel() {
}
void KRModel::render(KRCamera *pCamera, KRMaterialManager *pMaterialManager, bool bRenderShadowMap, KRMat4 &mvpMatrix, Vector3 &cameraPosition, Vector3 &lightDirection, KRMat4 *pShadowMatrices, GLuint *shadowDepthTextures, int cShadowBuffers) {
KRMaterial *pPrevBoundMaterial = NULL;
char szPrevShaderKey[128];
szPrevShaderKey[0] = '\0';
int cSubmeshes = m_mesh.getSubmeshes().size();
for(int iSubmesh=0; iSubmesh<cSubmeshes; iSubmesh++) {
KRMaterial *pMaterial = m_materials[iSubmesh];
if(pMaterial != NULL) {
if(!bRenderShadowMap) {
pMaterial->bind(pCamera, mvpMatrix, cameraPosition, lightDirection, pShadowMatrices, shadowDepthTextures, cShadowBuffers);
}
if(bRenderShadowMap) {
for(int iSubmesh=0; iSubmesh<cSubmeshes; iSubmesh++) {
KRMaterial *pMaterial = m_materials[iSubmesh];
if(pMaterial != NULL) {
if(!bRenderShadowMap || !pMaterial->isTransparent()) {
// Exclude transparent and semi-transparent meshes from shadow maps
m_mesh.renderSubmesh(iSubmesh);
if(pMaterial->isTransparent()) {
// Exclude transparent and semi-transparent meshes from shadow maps
m_mesh.renderSubmesh(iSubmesh);
}
}
}
} else {
// Apply submeshes in per-material batches to reduce number of state changes
for(std::set<KRMaterial *>::iterator mat_itr = m_uniqueMaterials.begin(); mat_itr != m_uniqueMaterials.end(); mat_itr++) {
for(int iSubmesh=0; iSubmesh<cSubmeshes; iSubmesh++) {
KRMaterial *pMaterial = m_materials[iSubmesh];
if(pMaterial != NULL && pMaterial == (*mat_itr)) {
pMaterial->bind(&pPrevBoundMaterial, szPrevShaderKey, pCamera, mvpMatrix, cameraPosition, lightDirection, pShadowMatrices, shadowDepthTextures, cShadowBuffers);
m_mesh.renderSubmesh(iSubmesh);
}
}
}
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
}