Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1 | // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | // Buffer.h: Defines the Buffer class, representing storage of vertex and/or |
| 16 | // index data. Implements GL buffer objects and related functionality. |
| 17 | // [OpenGL ES 2.0.24] section 2.9 page 21. |
| 18 | |
| 19 | #ifndef LIBGLES_CM_BUFFER_H_ |
| 20 | #define LIBGLES_CM_BUFFER_H_ |
| 21 | |
| 22 | #include "common/Object.hpp" |
| 23 | #include "Common/Resource.hpp" |
| 24 | |
| 25 | #include <GLES/gl.h> |
| 26 | |
| 27 | #include <cstddef> |
| 28 | #include <vector> |
| 29 | |
| 30 | namespace es1 |
| 31 | { |
| 32 | class Buffer : public gl::NamedObject |
| 33 | { |
| 34 | public: |
| 35 | explicit Buffer(GLuint name); |
| 36 | |
| 37 | virtual ~Buffer(); |
| 38 | |
| 39 | void bufferData(const void *data, GLsizeiptr size, GLenum usage); |
| 40 | void bufferSubData(const void *data, GLsizeiptr size, GLintptr offset); |
| 41 | |
| 42 | const void *data() { return mContents ? mContents->data() : 0; } |
| 43 | size_t size() const { return mSize; } |
| 44 | GLenum usage() const { return mUsage; } |
| 45 | |
| 46 | sw::Resource *getResource(); |
| 47 | |
| 48 | private: |
| 49 | sw::Resource *mContents; |
| 50 | size_t mSize; |
| 51 | GLenum mUsage; |
| 52 | }; |
| 53 | |
| 54 | } |
| 55 | |
| 56 | #endif // LIBGLES_CM_BUFFER_H_ |