Fillwave  10.0.0
PixelBuffer.h
1 #pragma once
2 
3 /*
4  * The MIT License (MIT)
5  *
6  * Copyright (c) 2018 Filip Wasil and Fillwave community members
7  *
8  * Permission is hereby granted, free of charge, to any person
9  * obtaining a copy of this software and associated documentation files (the "Software"),
10  * to deal in the Software without restriction, including without limitation the rights
11  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
12  * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be included
15  * in all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
18  * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22  */
23 
24 #include <flw/flc/buffers/IBuffer.h>
25 
26 namespace flw {
27 namespace flc {
28 
33 /*
34  * When using a PBO as target for glReadPixels
35  * you have to specify a byte offset into the buffer
36  * just like in glVertexPointer in VBO.
37  *
38  */
39 
40 class PixelBuffer : public IBuffer {
41 public:
42  PixelBuffer(GLuint dataStoreType);
43 
44  ~PixelBuffer() override;
45 
46  void setScreenSize(GLuint width, GLuint height, GLuint bytesPerPixel);
47 
48  void emptyCPU() override;
49 
50  void emptyGPU() override;
51 };
52 
53 } /* flc */
54 } /* flw */
Definition: Aliases.h:30
PixelBufferObject - PBO. Used to read pixels from FBO.
Definition: PixelBuffer.h:40
Base for all buffer types.
Definition: IBuffer.h:33