2 /*******************************************************************************
4 Copyright (c) 2009, Charles McGarvey
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
10 * Redistributions of source code must retain the above copyright notice,
11 this list of conditions and the following disclaimer.
12 * Redistributions in binary form must reproduce the above copyright notice,
13 this list of conditions and the following disclaimer in the documentation
14 and/or other materials provided with the distribution.
16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
20 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *******************************************************************************/
31 #include <SDL/SDL_image.h>
33 #include "Dispatcher.hh"
35 #include "Settings.hh"
47 Video::Video(const Attributes
& attribs
)
52 Video::Video(const std::string
& caption
, const std::string
& icon
)
54 if (mAttribs
.caption
== "Untitled")
56 mAttribs
.caption
= caption
;
58 if (mAttribs
.icon
== "")
66 void Video::init(const Attributes
& attribs
)
72 setFull(attribs
.fullscreen
);
73 setResizable(attribs
.resizable
);
74 setOpenGLAttributes();
75 setCaption(attribs
.caption
);
77 setCursorVisible(attribs
.cursorVisible
);
78 setCursorGrab(attribs
.cursorGrab
);
79 setVideoMode(attribs
.mode
);
82 void Video::recreateContext()
84 SDL_FreeSurface(mContext
);
86 setVideoMode(mAttribs
.mode
);
89 void Video::setOpenGLAttributes()
91 SDL_GL_SetAttribute(SDL_GL_RED_SIZE
, mAttribs
.colorBuffer
[0]);
92 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE
, mAttribs
.colorBuffer
[1]);
93 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE
, mAttribs
.colorBuffer
[2]);
94 SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE
, mAttribs
.colorBuffer
[3]);
95 SDL_GL_SetAttribute(SDL_GL_BUFFER_SIZE
, mAttribs
.frameBuffer
);
96 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER
, mAttribs
.doubleBuffer
);
97 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE
, mAttribs
.depthBuffer
);
98 SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE
, mAttribs
.stencilBuffer
);
99 SDL_GL_SetAttribute(SDL_GL_ACCUM_RED_SIZE
, mAttribs
.accumBuffer
[0]);
100 SDL_GL_SetAttribute(SDL_GL_ACCUM_GREEN_SIZE
, mAttribs
.accumBuffer
[1]);
101 SDL_GL_SetAttribute(SDL_GL_ACCUM_BLUE_SIZE
, mAttribs
.accumBuffer
[2]);
102 SDL_GL_SetAttribute(SDL_GL_ACCUM_ALPHA_SIZE
, mAttribs
.accumBuffer
[3]);
103 SDL_GL_SetAttribute(SDL_GL_STEREO
, mAttribs
.stereo
);
104 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS
, mAttribs
.multisampleBuffers
);
105 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES
, mAttribs
.multisampleSamples
);
106 SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL
, mAttribs
.swapControl
);
107 SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL
, mAttribs
.hardwareonly
);
113 SDL_FreeSurface(mContext
);
117 void Video::setVideoMode(const long mode
[3])
119 if (mode
!= mAttribs
.mode
|| !mContext
)
121 if (mContext
) SDL_FreeSurface(mContext
);
123 mContext
= SDL_SetVideoMode(mode
[0], mode
[1], mode
[2],
124 SDL_OPENGL
| mFlags
);
128 mAttribs
.mode
[0] = mode
[0];
129 mAttribs
.mode
[1] = mode
[1];
130 mAttribs
.mode
[2] = mode
[2];
132 #if defined(_WIN32) || defined (_WIN64) || defined(__WIN32__)
133 // on win32, creating a new context via SDL_SetVideoMode will wipe
134 // out the GL state, so we gotta notify everyone to reload their
135 // state after the change
136 Mf::dispatcher::dispatch("video.context_recreated");
137 logInfo("video context recreated");
140 else throw Exception(Exception::SDL_ERROR
);
144 Video::Attributes
Video::getAttributes() const
150 void Video::resize(int width
, int height
)
152 long mode
[] = {width
, height
, mAttribs
.mode
[2]};
156 bool Video::iconify()
158 return SDL_WM_IconifyWindow();
162 void Video::setCaption(const std::string
& caption
)
164 mAttribs
.caption
= caption
;
165 SDL_WM_SetCaption(caption
.c_str(), 0);
168 void Video::setIcon()
170 if (mAttribs
.icon
!= "")
172 SDL_Surface
* icon
= IMG_Load(mAttribs
.icon
.c_str());
175 SDL_WM_SetIcon(icon
, 0);
176 SDL_FreeSurface(icon
);
181 std::string
Video::getCaption() const
183 return mAttribs
.caption
;
187 void Video::setFull(bool full
)
189 if (full
!= isFull() || !mContext
)
193 mFlags
^= SDL_FULLSCREEN
;
195 #if defined(linux) || defined(__linux) || defined(__linux__)
196 if (SDL_WM_ToggleFullScreen(mContext
) == 0)
202 if (full
) mFlags
|= SDL_FULLSCREEN
;
203 else mFlags
&= ~SDL_FULLSCREEN
;
208 void Video::toggleFull()
213 bool Video::isFull() const
215 return mFlags
& SDL_FULLSCREEN
;
219 void Video::setCursorVisible(bool hasCursor
)
221 SDL_ShowCursor(hasCursor
? SDL_ENABLE
: SDL_DISABLE
);
224 void Video::toggleCursorVisible()
226 setCursorVisible(!isCursorVisible());
229 bool Video::isCursorVisible() const
231 return (SDL_ShowCursor(SDL_QUERY
) == SDL_ENABLE
);
235 void Video::setResizable(bool resizable
)
237 if (resizable
!= isResizable() || !mContext
)
241 mFlags
^= SDL_RESIZABLE
;
246 if (resizable
) mFlags
|= SDL_RESIZABLE
;
247 else mFlags
&= ~SDL_RESIZABLE
;
252 void Video::toggleResizable()
254 setResizable(!isResizable());
257 bool Video::isResizable() const
259 return mFlags
& SDL_RESIZABLE
;
263 bool Video::isCursorGrab() const
265 return (SDL_WM_GrabInput(SDL_GRAB_QUERY
) == SDL_GRAB_ON
);
268 void Video::toggleCursorGrab()
270 setCursorGrab(!isCursorGrab());
273 void Video::setCursorGrab(bool cursorGrab
)
275 SDL_WM_GrabInput(cursorGrab
? SDL_GRAB_ON
: SDL_GRAB_OFF
);
279 void Video::makeActive()
281 // NOP until the day SDL supports more than only one window.
287 SDL_GL_SwapBuffers();
291 int Video::getWidth() const
296 int Video::getHeight() const
302 Video::Attributes::Attributes()
304 // Set some sane GL and window defaults (see SDL_video.c:217)
318 multisampleBuffers
= 0;
319 multisampleSamples
= 0;
321 hardwareonly
= false;
327 cursorVisible
= true;
330 Settings
& settings
= Settings::getInstance();
332 std::vector
<long> colors
;
333 settings
.get("colorbuffers", colors
);
334 if (colors
.size() > 0) colorBuffer
[0] = colors
[0];
335 if (colors
.size() > 1) colorBuffer
[1] = colors
[1];
336 if (colors
.size() > 2) colorBuffer
[2] = colors
[2];
337 if (colors
.size() > 3) colorBuffer
[3] = colors
[3];
339 settings
.get("framebuffer", frameBuffer
);
340 settings
.get("doublebuffer", doubleBuffer
);
341 settings
.get("depthbuffer", depthBuffer
);
342 settings
.get("stencilbuffer", stencilBuffer
);
344 std::vector
<long> accum
;
345 settings
.get("accumbuffers", accum
);
346 if (accum
.size() > 0) accumBuffer
[0] = accum
[0];
347 if (accum
.size() > 1) accumBuffer
[1] = accum
[1];
348 if (accum
.size() > 2) accumBuffer
[2] = accum
[2];
349 if (accum
.size() > 3) accumBuffer
[3] = accum
[3];
351 settings
.get("stereo", stereo
);
352 settings
.get("multiesamplebuffers", multisampleBuffers
);
353 settings
.get("multiesamplesamples", multisampleSamples
);
354 settings
.get("swapcontrol", swapControl
);
355 settings
.get("hardwareonly", hardwareonly
);
357 if (!settings
.get("caption", caption
))
359 caption
= "Untitled";
361 settings
.get("icon", icon
);
363 std::vector
<long> dimensions
;
364 settings
.get("videomode", dimensions
);
365 if (dimensions
.size() > 1)
367 mode
[0] = dimensions
[0];
368 mode
[1] = dimensions
[1];
370 if (dimensions
.size() > 2) mode
[2] = dimensions
[2];
372 settings
.get("fullscreen", fullscreen
);
373 settings
.get("resizable", resizable
);
374 settings
.get("showcursor", cursorVisible
);
375 settings
.get("grab", cursorGrab
);
381 /** vim: set ts=4 sw=4 tw=80: *************************************************/