1 // 2 // Copyright (c) 2013 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 // This class contains prototypes for representing GLES 3 Vertex Array Objects: 7 // 8 // The buffer objects that are to be used by the vertex stage of the GL are collected 9 // together to form a vertex array object. All state related to the definition of data used 10 // by the vertex processor is encapsulated in a vertex array object. 11 // 12 13 #ifndef LIBGLESV2_VERTEXARRAY_H_ 14 #define LIBGLESV2_VERTEXARRAY_H_ 15 16 #include "common/RefCountObject.h" 17 #include "libGLESv2/constants.h" 18 #include "libGLESv2/VertexAttribute.h" 19 20 #include <vector> 21 22 namespace rx 23 { 24 class Renderer; 25 class VertexArrayImpl; 26 } 27 28 namespace gl 29 { 30 class Buffer; 31 32 class VertexArray 33 { 34 public: 35 VertexArray(rx::VertexArrayImpl *impl, GLuint id, size_t maxAttribs); 36 ~VertexArray(); 37 38 GLuint id() const; 39 40 const VertexAttribute& getVertexAttribute(size_t attributeIndex) const; 41 void detachBuffer(GLuint bufferName); 42 void setVertexAttribDivisor(GLuint index, GLuint divisor); 43 void enableAttribute(unsigned int attributeIndex, bool enabledState); 44 void setAttributeState(unsigned int attributeIndex, gl::Buffer *boundBuffer, GLint size, GLenum type, 45 bool normalized, bool pureInteger, GLsizei stride, const void *pointer); 46 47 const VertexAttribute* getVertexAttributes() const { return mVertexAttributes.data(); } 48 Buffer *getElementArrayBuffer() const { return mElementArrayBuffer.get(); } 49 void setElementArrayBuffer(Buffer *buffer); 50 GLuint getElementArrayBufferId() const { return mElementArrayBuffer.id(); } 51 size_t getMaxAttribs() const { return mVertexAttributes.size(); } 52 53 private: 54 GLuint mId; 55 56 rx::VertexArrayImpl *mVertexArray; 57 std::vector<VertexAttribute> mVertexAttributes; 58 BindingPointer<Buffer> mElementArrayBuffer; 59 }; 60 61 } 62 63 #endif // LIBGLESV2_VERTEXARRAY_H_ 64
