Lucas Dupin | ad66337 | 2020-03-19 12:44:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2020 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #define ATRACE_TAG ATRACE_TAG_GRAPHICS |
| 18 | |
| 19 | #include "GLVertexBuffer.h" |
| 20 | |
| 21 | #include <GLES/gl.h> |
| 22 | #include <GLES2/gl2.h> |
| 23 | #include <nativebase/nativebase.h> |
| 24 | #include <utils/Trace.h> |
| 25 | |
| 26 | namespace android { |
| 27 | namespace renderengine { |
| 28 | namespace gl { |
| 29 | |
| 30 | GLVertexBuffer::GLVertexBuffer() { |
| 31 | glGenBuffers(1, &mBufferName); |
| 32 | } |
| 33 | |
| 34 | GLVertexBuffer::~GLVertexBuffer() { |
| 35 | glDeleteBuffers(1, &mBufferName); |
| 36 | } |
| 37 | |
| 38 | void GLVertexBuffer::allocateBuffers(const GLfloat data[], const GLuint size) { |
| 39 | ATRACE_CALL(); |
| 40 | bind(); |
| 41 | glBufferData(GL_ARRAY_BUFFER, size * sizeof(GLfloat), data, GL_STATIC_DRAW); |
| 42 | unbind(); |
| 43 | } |
| 44 | |
| 45 | void GLVertexBuffer::bind() const { |
| 46 | glBindBuffer(GL_ARRAY_BUFFER, mBufferName); |
| 47 | } |
| 48 | |
| 49 | void GLVertexBuffer::unbind() const { |
| 50 | glBindBuffer(GL_ARRAY_BUFFER, 0); |
| 51 | } |
| 52 | |
| 53 | } // namespace gl |
| 54 | } // namespace renderengine |
| 55 | } // namespace android |