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"
31 #include "Exception.hh"
34 #include "Settings.hh"
46 Video::Video(const Attributes
& attribs
)
51 Video::Video(const std::string
& caption
, const std::string
& icon
)
53 if (mAttribs
.caption
== "Untitled")
55 mAttribs
.caption
= caption
;
57 if (mAttribs
.icon
== "")
65 void Video::init(const Attributes
& attribs
)
67 // make sure the engine is initialized before setting up the video
68 Engine::getInstance();
74 setFull(attribs
.fullscreen
);
75 setResizable(attribs
.resizable
);
76 setOpenGLAttributes();
77 setCaption(attribs
.caption
);
79 setCursorVisible(attribs
.cursorVisible
);
80 setCursorGrab(attribs
.cursorGrab
);
81 setVideoMode(attribs
.mode
);
84 void Video::recreateContext()
86 SDL_FreeSurface(mContext
);
88 setVideoMode(mAttribs
.mode
);
91 void Video::setOpenGLAttributes()
93 SDL_GL_SetAttribute(SDL_GL_RED_SIZE
, mAttribs
.colorBuffer
[0]);
94 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE
, mAttribs
.colorBuffer
[1]);
95 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE
, mAttribs
.colorBuffer
[2]);
96 SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE
, mAttribs
.colorBuffer
[3]);
97 SDL_GL_SetAttribute(SDL_GL_BUFFER_SIZE
, mAttribs
.frameBuffer
);
98 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER
, mAttribs
.doubleBuffer
);
99 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE
, mAttribs
.depthBuffer
);
100 SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE
, mAttribs
.stencilBuffer
);
101 SDL_GL_SetAttribute(SDL_GL_ACCUM_RED_SIZE
, mAttribs
.accumBuffer
[0]);
102 SDL_GL_SetAttribute(SDL_GL_ACCUM_GREEN_SIZE
, mAttribs
.accumBuffer
[1]);
103 SDL_GL_SetAttribute(SDL_GL_ACCUM_BLUE_SIZE
, mAttribs
.accumBuffer
[2]);
104 SDL_GL_SetAttribute(SDL_GL_ACCUM_ALPHA_SIZE
, mAttribs
.accumBuffer
[3]);
105 SDL_GL_SetAttribute(SDL_GL_STEREO
, mAttribs
.stereo
);
106 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS
, mAttribs
.multisampleBuffers
);
107 SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES
, mAttribs
.multisampleSamples
);
108 SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL
, mAttribs
.swapControl
);
109 SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL
, mAttribs
.hardwareonly
);
115 SDL_FreeSurface(mContext
);
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 Engine::getInstance().dispatch("video.newcontext");
140 logInfo("video context recreated");
143 else throw Exception(ErrorCode::SDL_VIDEOMODE
);
147 Video::Attributes
Video::getAttributes() const
153 void Video::resize(int width
, int height
)
155 long mode
[] = {width
, height
, mAttribs
.mode
[2]};
159 bool Video::iconify()
161 return SDL_WM_IconifyWindow();
165 void Video::setCaption(const std::string
& caption
)
167 mAttribs
.caption
= caption
;
168 SDL_WM_SetCaption(caption
.c_str(), 0);
171 void Video::setIcon()
173 if (mAttribs
.icon
!= "")
175 Image
icon(mAttribs
.icon
);
180 std::string
Video::getCaption() const
182 return mAttribs
.caption
;
185 const std::string
& Video::getIcon() const
187 return mAttribs
.icon
;
191 void Video::setFull(bool full
)
193 if (full
!= isFull() || !mContext
)
197 mFlags
^= SDL_FULLSCREEN
;
199 #if defined(linux) || defined(__linux) || defined(__linux__)
200 if (SDL_WM_ToggleFullScreen(mContext
) == 0)
206 if (full
) mFlags
|= SDL_FULLSCREEN
;
207 else mFlags
&= ~SDL_FULLSCREEN
;
212 void Video::toggleFull()
217 bool Video::isFull() const
219 return mFlags
& SDL_FULLSCREEN
;
223 void Video::setCursorVisible(bool hasCursor
)
225 SDL_ShowCursor(hasCursor
? SDL_ENABLE
: SDL_DISABLE
);
228 void Video::toggleCursorVisible()
230 setCursorVisible(!isCursorVisible());
233 bool Video::isCursorVisible() const
235 return (SDL_ShowCursor(SDL_QUERY
) == SDL_ENABLE
);
239 void Video::setResizable(bool resizable
)
241 if (resizable
!= isResizable() || !mContext
)
245 mFlags
^= SDL_RESIZABLE
;
250 if (resizable
) mFlags
|= SDL_RESIZABLE
;
251 else mFlags
&= ~SDL_RESIZABLE
;
256 void Video::toggleResizable()
258 setResizable(!isResizable());
261 bool Video::isResizable() const
263 return mFlags
& SDL_RESIZABLE
;
267 bool Video::isCursorGrab() const
269 return (SDL_WM_GrabInput(SDL_GRAB_QUERY
) == SDL_GRAB_ON
);
272 void Video::toggleCursorGrab()
274 setCursorGrab(!isCursorGrab());
277 void Video::setCursorGrab(bool cursorGrab
)
279 SDL_WM_GrabInput(cursorGrab
? SDL_GRAB_ON
: SDL_GRAB_OFF
);
285 SDL_GL_SwapBuffers();
289 int Video::getWidth() const
294 int Video::getHeight() const
300 Video::Attributes::Attributes()
302 // Set some sane GL and window defaults (see SDL_video.c:217)
316 multisampleBuffers
= 0;
317 multisampleSamples
= 0;
319 hardwareonly
= false;
325 cursorVisible
= true;
328 Settings
& settings
= Settings::getInstance();
330 std::vector
<long> colors
;
331 settings
.get("colorbuffers", colors
);
332 if (colors
.size() > 0) colorBuffer
[0] = colors
[0];
333 if (colors
.size() > 1) colorBuffer
[1] = colors
[1];
334 if (colors
.size() > 2) colorBuffer
[2] = colors
[2];
335 if (colors
.size() > 3) colorBuffer
[3] = colors
[3];
337 settings
.get("framebuffer", frameBuffer
);
338 settings
.get("doublebuffer", doubleBuffer
);
339 settings
.get("depthbuffer", depthBuffer
);
340 settings
.get("stencilbuffer", stencilBuffer
);
342 std::vector
<long> accum
;
343 settings
.get("accumbuffers", accum
);
344 if (accum
.size() > 0) accumBuffer
[0] = accum
[0];
345 if (accum
.size() > 1) accumBuffer
[1] = accum
[1];
346 if (accum
.size() > 2) accumBuffer
[2] = accum
[2];
347 if (accum
.size() > 3) accumBuffer
[3] = accum
[3];
349 settings
.get("stereo", stereo
);
350 settings
.get("multiesamplebuffers", multisampleBuffers
);
351 settings
.get("multiesamplesamples", multisampleSamples
);
352 settings
.get("swapcontrol", swapControl
);
353 settings
.get("hardwareonly", hardwareonly
);
355 if (!settings
.get("caption", caption
))
357 caption
= "Untitled";
359 settings
.get("icon", icon
);
361 std::vector
<long> dimensions
;
362 settings
.get("videomode", dimensions
);
363 if (dimensions
.size() > 1)
365 mode
[0] = dimensions
[0];
366 mode
[1] = dimensions
[1];
368 if (dimensions
.size() > 2) mode
[2] = dimensions
[2];
370 settings
.get("fullscreen", fullscreen
);
371 settings
.get("resizable", resizable
);
372 settings
.get("showcursor", cursorVisible
);
373 settings
.get("grab", cursorGrab
);
379 /** vim: set ts=4 sw=4 tw=80: *************************************************/