Experimental optimizations, not yet ready for stable branch

--HG--
branch : async_streaming

KREngine/Kraken.xcodeproj/project.pbxproj

@@ -1720,6 +1720,7 @@
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_PREPROCESSOR_DEFINITIONS = "DEBUG=1";
 				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				GCC_UNROLL_LOOPS = YES;
 				GCC_VERSION = com.apple.compilers.llvmgcc42;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
@@ -1728,6 +1729,7 @@
 					"$(SRCROOT)/3rdparty/**",
 				);
 				IPHONEOS_DEPLOYMENT_TARGET = 5.1;
+				LLVM_VECTORIZE_LOOPS = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.6;
 				SDKROOT = iphoneos;
 				SKIP_INSTALL = YES;
@@ -1741,6 +1743,8 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CONFIGURATION_BUILD_DIR = "$(BUILD_DIR)/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)";
 				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_OPTIMIZATION_LEVEL = fast;
+				GCC_UNROLL_LOOPS = YES;
 				GCC_VERSION = com.apple.compilers.llvmgcc42;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
@@ -1749,6 +1753,7 @@
 					"$(SRCROOT)/3rdparty/**",
 				);
 				IPHONEOS_DEPLOYMENT_TARGET = 5.1;
+				LLVM_VECTORIZE_LOOPS = YES;
 				MACOSX_DEPLOYMENT_TARGET = 10.6;
 				SDKROOT = iphoneos;
 				SKIP_INSTALL = YES;

KREngine/kraken/KRMat4.cpp

@@ -87,7 +87,7 @@ float KRMat4::operator[](unsigned i) const {
 }
 
 // Overload comparison operator
-bool KRMat4::operator==(const KRMat4 &m) {
+bool KRMat4::operator==(const KRMat4 &m) const {
     return memcmp(c, m.c, sizeof(float) * 16) == 0;
 }
 

KREngine/kraken/KRMat4.h

@@ -83,7 +83,7 @@ class KRMat4 {
     KRMat4& operator=(const KRMat4 &m);
     
     // Overload comparison operator
-    bool operator==(const KRMat4 &m);
+    bool operator==(const KRMat4 &m) const;
     
     // Overload compound multiply operator
     KRMat4& operator*=(const KRMat4 &m);

KREngine/kraken/KRMeshManager.cpp

@@ -214,7 +214,15 @@ void KRMeshManager::bindVBO(GLvoid *data, GLsizeiptr size, GLvoid *index_data, G
 #endif
 
             GLDEBUG(glBindBuffer(GL_ARRAY_BUFFER, m_currentVBO.vbo_handle));
+#if GL_OES_mapbuffer
+            
+            GLDEBUG(glBufferData(GL_ARRAY_BUFFER, size, NULL, static_vbo ? GL_STATIC_DRAW : GL_DYNAMIC_DRAW));
+            GLDEBUG(void *map_ptr = glMapBufferOES(GL_ARRAY_BUFFER, GL_WRITE_ONLY_OES));
+            memcpy(map_ptr, data, size);
+            GLDEBUG(glUnmapBufferOES(GL_ARRAY_BUFFER));
+#else
             GLDEBUG(glBufferData(GL_ARRAY_BUFFER, size, data, static_vbo ? GL_STATIC_DRAW : GL_DYNAMIC_DRAW));
+#endif
             m_memoryTransferredThisFrame += size;
             m_vboMemUsed += size;
             configureAttribs(vertex_attrib_flags);
@@ -226,7 +234,17 @@ void KRMeshManager::bindVBO(GLvoid *data, GLsizeiptr size, GLvoid *index_data, G
                 GLDEBUG(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0));
             } else {
                 GLDEBUG(glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_currentVBO.vbo_handle_indexes));
+                
+#if GL_OES_mapbuffer
+                
+                GLDEBUG(glBufferData(GL_ELEMENT_ARRAY_BUFFER, index_data_size, NULL, static_vbo ? GL_STATIC_DRAW : GL_DYNAMIC_DRAW));
+                GLDEBUG(void *map_ptr = glMapBufferOES(GL_ELEMENT_ARRAY_BUFFER, GL_WRITE_ONLY_OES));
+                memcpy(map_ptr, index_data, index_data_size);
+                GLDEBUG(glUnmapBufferOES(GL_ELEMENT_ARRAY_BUFFER));
+#else
                 GLDEBUG(glBufferData(GL_ELEMENT_ARRAY_BUFFER, index_data_size, index_data, static_vbo ? GL_STATIC_DRAW : GL_DYNAMIC_DRAW));
+#endif
+                
                 m_memoryTransferredThisFrame += index_data_size;
                 m_vboMemUsed += index_data_size;
                 m_currentVBO.size += index_data_size;

KREngine/kraken/KRModel.cpp

@@ -43,6 +43,23 @@ KRModel::KRModel(KRScene &scene, std::string instance_name, std::string model_na
     m_min_lod_coverage = lod_min_coverage;
     m_receivesShadow = receives_shadow;
     m_faces_camera = faces_camera;
+    
+    m_boundsCachedMat.c[0] = -1.0f;
+    m_boundsCachedMat.c[1] = -1.0f;
+    m_boundsCachedMat.c[2] = -1.0f;
+    m_boundsCachedMat.c[3] = -1.0f;
+    m_boundsCachedMat.c[4] = -1.0f;
+    m_boundsCachedMat.c[5] = -1.0f;
+    m_boundsCachedMat.c[6] = -1.0f;
+    m_boundsCachedMat.c[7] = -1.0f;
+    m_boundsCachedMat.c[8] = -1.0f;
+    m_boundsCachedMat.c[9] = -1.0f;
+    m_boundsCachedMat.c[10] = -1.0f;
+    m_boundsCachedMat.c[11] = -1.0f;
+    m_boundsCachedMat.c[12] = -1.0f;
+    m_boundsCachedMat.c[13] = -1.0f;
+    m_boundsCachedMat.c[14] = -1.0f;
+    m_boundsCachedMat.c[15] = -1.0f;
 }
 
 KRModel::~KRModel() {
@@ -155,7 +172,12 @@ KRAABB KRModel::getBounds() {
             float max_dimension = normal_bounds.longest_radius();
             return KRAABB(normal_bounds.center()-KRVector3(max_dimension), normal_bounds.center() + KRVector3(max_dimension));
         } else {
-            return KRAABB(m_models[0]->getMinPoint(), m_models[0]->getMaxPoint(), getModelMatrix());
+            
+            if(!(m_boundsCachedMat == getModelMatrix())) {
+                m_boundsCachedMat = getModelMatrix();
+                m_boundsCached = KRAABB(m_models[0]->getMinPoint(), m_models[0]->getMaxPoint(), getModelMatrix());
+            }
+            return m_boundsCached;
         }
     } else {
         return KRAABB::Infinite();

KREngine/kraken/KRModel.h

@@ -74,6 +74,10 @@ private:
     
     bool m_receivesShadow;
     bool m_faces_camera;
+    
+    
+    KRMat4 m_boundsCachedMat;
+    KRAABB m_boundsCached;
 };