| #include "precompiled.h" |
| // |
| // Copyright (c) 2013 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| // Implementation of the state class for mananging GLES 3 Vertex Array Objects. |
| // |
| |
| #include "libGLESv2/VertexArray.h" |
| #include "libGLESv2/Buffer.h" |
| |
| namespace gl |
| { |
| |
| VertexArray::VertexArray(rx::Renderer *renderer, GLuint id) |
| : RefCountObject(id) |
| { |
| } |
| |
| VertexArray::~VertexArray() |
| { |
| for (int i = 0; i < MAX_VERTEX_ATTRIBS; i++) |
| { |
| mVertexAttributes[i].mBoundBuffer.set(NULL); |
| } |
| mElementArrayBuffer.set(NULL); |
| } |
| |
| void VertexArray::detachBuffer(GLuint bufferName) |
| { |
| for (int attribute = 0; attribute < MAX_VERTEX_ATTRIBS; attribute++) |
| { |
| if (mVertexAttributes[attribute].mBoundBuffer.id() == bufferName) |
| { |
| mVertexAttributes[attribute].mBoundBuffer.set(NULL); |
| } |
| } |
| |
| if (mElementArrayBuffer.id() == bufferName) |
| { |
| mElementArrayBuffer.set(NULL); |
| } |
| } |
| |
| const VertexAttribute& VertexArray::getVertexAttribute(unsigned int attributeIndex) const |
| { |
| ASSERT(attributeIndex < MAX_VERTEX_ATTRIBS); |
| return mVertexAttributes[attributeIndex]; |
| } |
| |
| void VertexArray::setVertexAttribDivisor(GLuint index, GLuint divisor) |
| { |
| ASSERT(index < gl::MAX_VERTEX_ATTRIBS); |
| mVertexAttributes[index].mDivisor = divisor; |
| } |
| |
| void VertexArray::enableAttribute(unsigned int attributeIndex, bool enabledState) |
| { |
| ASSERT(attributeIndex < gl::MAX_VERTEX_ATTRIBS); |
| mVertexAttributes[attributeIndex].mArrayEnabled = enabledState; |
| } |
| |
| void VertexArray::setAttributeState(unsigned int attributeIndex, gl::Buffer *boundBuffer, GLint size, GLenum type, |
| bool normalized, bool pureInteger, GLsizei stride, const void *pointer) |
| { |
| ASSERT(attributeIndex < gl::MAX_VERTEX_ATTRIBS); |
| mVertexAttributes[attributeIndex].setState(boundBuffer, size, type, normalized, pureInteger, stride, pointer); |
| } |
| |
| } |