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 *******************************************************************************/
29 #include "Dispatch.hh"
33 #include "Settings.hh"
45 Video::Video(const Attributes
& attribs
)
50 Video::Video(const std::string
& caption
, const std::string
& icon
)
52 if (mAttribs
.caption
== "Untitled")
54 mAttribs
.caption
= caption
;
56 if (mAttribs
.icon
== "")
64 void Video::init(const Attributes
& attribs
)
70 setFull(attribs
.fullscreen
);
71 setResizable(attribs
.resizable
);
72 setOpenGLAttributes();
73 setCaption(attribs
.caption
);
75 setCursorVisible(attribs
.cursorVisible
);
76 setCursorGrab(attribs
.cursorGrab
);
77 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
);
115 if (video
== this) video
= 0;
119 void Video::setVideoMode(const long mode
[3])
121 if (mode
!= mAttribs
.mode
|| !mContext
)
123 if (mContext
) SDL_FreeSurface(mContext
);
125 mContext
= SDL_SetVideoMode(mode
[0], mode
[1], mode
[2],
126 SDL_OPENGL
| mFlags
);
130 mAttribs
.mode
[0] = mode
[0];
131 mAttribs
.mode
[1] = mode
[1];
132 mAttribs
.mode
[2] = mode
[2];
134 #if defined(_WIN32) || defined(__WIN32__)
135 // on win32, creating a new context via SDL_SetVideoMode will wipe
136 // out the GL state, so we gotta notify everyone to reload their
137 // state after the change
138 core
.dispatch("video.newcontext");
139 logInfo("video context recreated");
142 else throw Error(Error::SDL_VIDEOMODE
);
146 Video::Attributes
Video::getAttributes() const
152 void Video::resize(int width
, int height
)
154 long mode
[] = {width
, height
, mAttribs
.mode
[2]};
158 bool Video::iconify()
160 return SDL_WM_IconifyWindow();
164 void Video::setCaption(const std::string
& caption
)
166 mAttribs
.caption
= caption
;
167 SDL_WM_SetCaption(caption
.c_str(), 0);
170 void Video::setIcon()
172 if (mAttribs
.icon
!= "")
174 Image
icon(mAttribs
.icon
);
179 std::string
Video::getCaption() const
181 return mAttribs
.caption
;
184 const std::string
& Video::getIcon() const
186 return mAttribs
.icon
;
190 void Video::setFull(bool full
)
192 if (full
!= isFull() || !mContext
)
196 mFlags
^= SDL_FULLSCREEN
;
198 #if defined(linux) || defined(__linux) || defined(__linux__)
199 if (SDL_WM_ToggleFullScreen(mContext
) == 0)
205 if (full
) mFlags
|= SDL_FULLSCREEN
;
206 else mFlags
&= ~SDL_FULLSCREEN
;
211 void Video::toggleFull()
216 bool Video::isFull() const
218 return mFlags
& SDL_FULLSCREEN
;
222 void Video::setCursorVisible(bool hasCursor
)
224 SDL_ShowCursor(hasCursor
? SDL_ENABLE
: SDL_DISABLE
);
227 void Video::toggleCursorVisible()
229 setCursorVisible(!isCursorVisible());
232 bool Video::isCursorVisible() const
234 return (SDL_ShowCursor(SDL_QUERY
) == SDL_ENABLE
);
238 void Video::setResizable(bool resizable
)
240 if (resizable
!= isResizable() || !mContext
)
244 mFlags
^= SDL_RESIZABLE
;
249 if (resizable
) mFlags
|= SDL_RESIZABLE
;
250 else mFlags
&= ~SDL_RESIZABLE
;
255 void Video::toggleResizable()
257 setResizable(!isResizable());
260 bool Video::isResizable() const
262 return mFlags
& SDL_RESIZABLE
;
266 bool Video::isCursorGrab() const
268 return (SDL_WM_GrabInput(SDL_GRAB_QUERY
) == SDL_GRAB_ON
);
271 void Video::toggleCursorGrab()
273 setCursorGrab(!isCursorGrab());
276 void Video::setCursorGrab(bool cursorGrab
)
278 SDL_WM_GrabInput(cursorGrab
? SDL_GRAB_ON
: SDL_GRAB_OFF
);
284 SDL_GL_SwapBuffers();
288 int Video::getWidth() const
293 int Video::getHeight() const
299 Video::Attributes::Attributes()
301 // set some sane GL and window defaults (see SDL_video.c:217)
315 multisampleBuffers
= 0;
316 multisampleSamples
= 0;
318 hardwareonly
= false;
324 cursorVisible
= true;
327 std::vector
<long> colors
;
328 settings
.get("colorbuffers", colors
);
329 if (colors
.size() > 0) colorBuffer
[0] = colors
[0];
330 if (colors
.size() > 1) colorBuffer
[1] = colors
[1];
331 if (colors
.size() > 2) colorBuffer
[2] = colors
[2];
332 if (colors
.size() > 3) colorBuffer
[3] = colors
[3];
334 settings
.get("framebuffer", frameBuffer
);
335 settings
.get("doublebuffer", doubleBuffer
);
336 settings
.get("depthbuffer", depthBuffer
);
337 settings
.get("stencilbuffer", stencilBuffer
);
339 std::vector
<long> accum
;
340 settings
.get("accumbuffers", accum
);
341 if (accum
.size() > 0) accumBuffer
[0] = accum
[0];
342 if (accum
.size() > 1) accumBuffer
[1] = accum
[1];
343 if (accum
.size() > 2) accumBuffer
[2] = accum
[2];
344 if (accum
.size() > 3) accumBuffer
[3] = accum
[3];
346 settings
.get("stereo", stereo
);
347 settings
.get("multiesamplebuffers", multisampleBuffers
);
348 settings
.get("multiesamplesamples", multisampleSamples
);
349 settings
.get("swapcontrol", swapControl
);
350 settings
.get("hardwareonly", hardwareonly
);
352 if (!settings
.get("caption", caption
))
354 caption
= "Untitled";
356 settings
.get("icon", icon
);
358 settings
.get("fullscreen", fullscreen
);
359 settings
.get("resizable", resizable
);
360 settings
.get("showcursor", cursorVisible
);
361 settings
.get("grab", cursorGrab
);
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];
372 SDL_Rect
** modes
= SDL_ListModes(NULL
, SDL_FULLSCREEN
| SDL_HWSURFACE
);
374 if (modes
== (SDL_Rect
**)0)
376 Mf::logError("no native video mode");
378 else if (modes
== (SDL_Rect
**)-1)
380 Mf::logWarning("any resolution allowed; choosing default 800x600");
386 while (*(modes
+ 1)) ++modes
; // skip to the last
388 mode
[0] = (*modes
)->w
;
389 mode
[1] = (*modes
)->h
;
390 Mf::logInfo
<< "choosing native resolution "
391 << mode
[0] << "x" << mode
[1] << std::endl
;
394 if (dimensions
.size() > 2) mode
[2] = dimensions
[2];
403 /** vim: set ts=4 sw=4 tw=80: *************************************************/