1 /* 2 * Copyright (c) 2019, 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #ifndef VertexDataManager_h_Included 27 #define VertexDataManager_h_Included 28 29 #import <Metal/Metal.h> 30 #import "shaders/MetalShaderTypes.h" 31 32 // --------------------------------------------------------------------- 33 //TODO : This implementation should be redesigned as a singleton class 34 //TODO : Drawing optimization can be done - if current primitive-type to be 35 // drawn is equal to previous primitive-type in the list/array 36 // (Similar to previous-op in OGL) 37 // --------------------------------------------------------------------- 38 39 typedef struct 40 { 41 MTLPrimitiveType type; 42 unsigned int offset_in_index_buffer; 43 unsigned int no_of_indices; 44 unsigned int primitiveInstances; 45 } MetalPrimitiveData; 46 47 void VertexDataManager_init(id<MTLDevice> device); 48 49 void VertexDataManager_addLineVertexData(MetalVertex v1, MetalVertex v2); 50 void VertexDataManager_addQuadVertexData(MetalVertex v1, MetalVertex v2, MetalVertex v3, MetalVertex v4); 51 52 id<MTLBuffer> VertexDataManager_getVertexBuffer(); 53 id<MTLBuffer> VertexDataManager_getIndexBuffer(); 54 MetalPrimitiveData** VertexDataManager_getAllPrimitives(); 55 unsigned int VertexDataManager_getNoOfPrimitives(); 56 57 void VertexDataManager_freeAllPrimitives(); 58 void VertexDataManager_reset(id<MTLDevice> device); 59 60 // should be private 61 void addVertex(MetalVertex vert); 62 void addIndex(unsigned short vertexNum); 63 64 #endif //VertexDataManager_h_Included