| /* |
| * Copyright 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define ATRACE_TAG ATRACE_TAG_GRAPHICS |
| |
| #include "GLVertexBuffer.h" |
| |
| #include <GLES/gl.h> |
| #include <GLES2/gl2.h> |
| #include <nativebase/nativebase.h> |
| #include <utils/Trace.h> |
| |
| namespace android { |
| namespace renderengine { |
| namespace gl { |
| |
| GLVertexBuffer::GLVertexBuffer() { |
| glGenBuffers(1, &mBufferName); |
| } |
| |
| GLVertexBuffer::~GLVertexBuffer() { |
| glDeleteBuffers(1, &mBufferName); |
| } |
| |
| void GLVertexBuffer::allocateBuffers(const GLfloat data[], const GLuint size) { |
| ATRACE_CALL(); |
| bind(); |
| glBufferData(GL_ARRAY_BUFFER, size * sizeof(GLfloat), data, GL_STATIC_DRAW); |
| unbind(); |
| } |
| |
| void GLVertexBuffer::bind() const { |
| glBindBuffer(GL_ARRAY_BUFFER, mBufferName); |
| } |
| |
| void GLVertexBuffer::unbind() const { |
| glBindBuffer(GL_ARRAY_BUFFER, 0); |
| } |
| |
| } // namespace gl |
| } // namespace renderengine |
| } // namespace android |