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// main.h: Management of thread-local data.
16
17#ifndef LIBGL_MAIN_H_
18#define LIBGL_MAIN_H_
19
20#include "Context.h"
21#include "Device.hpp"
22#include "common/debug.h"
23#include "Display.h"
24
25#define _GDI32_
26#include <windows.h>
27#include <GL/GL.h>
28#include <GL/glext.h>
29
30namespace gl
31{
32	struct Current
33	{
34		Context *context;
35		Display *display;
36		Surface *drawSurface;
37		Surface *readSurface;
38	};
39
40	void makeCurrent(Context *context, Display *display, Surface *surface);
41
42	Context *getContext();
43	Display *getDisplay();
44	Device *getDevice();
45	Surface *getCurrentDrawSurface();
46	Surface *getCurrentReadSurface();
47
48	void setCurrentDisplay(Display *dpy);
49	void setCurrentContext(gl::Context *ctx);
50	void setCurrentDrawSurface(Surface *surface);
51	void setCurrentReadSurface(Surface *surface);
52}
53
54void error(GLenum errorCode);
55
56template<class T>
57T &error(GLenum errorCode, T &returnValue)
58{
59	error(errorCode);
60
61	return returnValue;
62}
63
64template<class T>
65const T &error(GLenum errorCode, const T &returnValue)
66{
67	error(errorCode);
68
69	return returnValue;
70}
71
72extern sw::FrameBuffer *createFrameBuffer(void *display, NativeWindowType window, int width, int height);
73
74#endif   // LIBGL_MAIN_H_
75