Panda3D

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cocoaGraphicsStateGuardian.h
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1/**
2 * PANDA 3D SOFTWARE
3 * Copyright (c) Carnegie Mellon University. All rights reserved.
4 *
5 * All use of this software is subject to the terms of the revised BSD
6 * license. You should have received a copy of this license along
7 * with this source code in a file named "LICENSE."
8 *
9 * @file cocoaGraphicsStateGuardian.h
10 * @author rdb
11 * @date 2012-05-14
12 */
13
14#ifndef COCOAGRAPHICSSTATEGUARDIAN_H
15#define COCOAGRAPHICSSTATEGUARDIAN_H
16
17#include "pandabase.h"
18#include "cocoaGraphicsPipe.h"
19#include "glgsg.h"
20
21#import <AppKit/NSOpenGL.h>
22#import <OpenGL/OpenGL.h>
23#import <CoreVideo/CoreVideo.h>
24
25/**
26 * A tiny specialization on GLGraphicsStateGuardian to add some Cocoa-specific
27 * information.
28 */
29 class CocoaGraphicsStateGuardian : public GLGraphicsStateGuardian {
30 public:
31 INLINE const FrameBufferProperties &get_fb_properties() const;
32 void get_properties(FrameBufferProperties &properties,
33 NSOpenGLPixelFormat *pixel_format, int virtual_screen);
34 void choose_pixel_format(const FrameBufferProperties &properties,
35 CGDirectDisplayID display,
36 bool need_pbuffer);
37
38 CocoaGraphicsStateGuardian(GraphicsEngine *engine, GraphicsPipe *pipe,
39 CocoaGraphicsStateGuardian *share_with);
40
41 virtual ~CocoaGraphicsStateGuardian();
42 bool setup_vsync();
43
44 INLINE void lock_context();
45 INLINE void unlock_context();
46
47 NSOpenGLContext *_share_context;
48 NSOpenGLContext *_context;
49 NSOpenGLPixelFormat *_format = nullptr;
50 FrameBufferProperties _fbprops;
51
52 CVDisplayLinkRef _display_link = nullptr;
53 TrueMutexImpl _swap_lock;
54 TrueConditionVarImpl _swap_condition;
55 AtomicAdjust::Integer _last_wait_frame = 0;
56
57 protected:
58 virtual void query_gl_version();
59 virtual void *do_get_extension_func(const char *name);
60
61 public:
62 static TypeHandle get_class_type() {
63 return _type_handle;
64 }
65 static void init_type() {
66 GLGraphicsStateGuardian::init_type();
67 register_type(_type_handle, "CocoaGraphicsStateGuardian",
68 GLGraphicsStateGuardian::get_class_type());
69 }
70 virtual TypeHandle get_type() const {
71 return get_class_type();
72 }
73 virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
74
75 private:
76 static TypeHandle _type_handle;
77};
78
79#include "cocoaGraphicsStateGuardian.I"
80
81#endif
CocoaGraphicsStateGuardian::get_fb_properties
const FrameBufferProperties & get_fb_properties() const
Gets the FrameBufferProperties for all windows and buffers that use this GSG.
Definition cocoaGraphicsStateGuardian.I:19
CocoaGraphicsStateGuardian::unlock_context
void unlock_context()
Unlocks the context.
Definition cocoaGraphicsStateGuardian.I:36
CocoaGraphicsStateGuardian::lock_context
void lock_context()
Locks the context.
Definition cocoaGraphicsStateGuardian.I:27
FrameBufferProperties
A container for the various kinds of properties we might ask to have on a graphics frameBuffer before...
Definition frameBufferProperties.h:26
GraphicsEngine
This class is the main interface to controlling the render process.
Definition graphicsEngine.h:53
GraphicsPipe
An object to create GraphicsOutputs that share a particular 3-D API.
Definition graphicsPipe.h:52
TypeHandle
TypeHandle is the identifier used to differentiate C++ class types.
Definition typeHandle.h:81
cocoaGraphicsPipe.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
cocoaGraphicsStateGuardian.I
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
glgsg.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
pandabase.h
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
register_type
void register_type(TypeHandle &type_handle, const std::string &name)
This inline function is just a convenient way to call TypeRegistry::register_type(),...
Definition register_type.I:22