Miguel Ruiz / SDL_lib

SDL standard library

Dependents:   H261_encoder

SDL_hints.h@0:dda4f4550403, 2016-09-07 (annotated)

Committer:
miruga27
Date:
Wed Sep 07 18:46:53 2016 +0000
Revision:
0:dda4f4550403
7/09/2016;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
miruga27 0:dda4f4550403 1 /*
miruga27 0:dda4f4550403 2 Simple DirectMedia Layer
miruga27 0:dda4f4550403 3 Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
miruga27 0:dda4f4550403 4
miruga27 0:dda4f4550403 5 This software is provided 'as-is', without any express or implied
miruga27 0:dda4f4550403 6 warranty. In no event will the authors be held liable for any damages
miruga27 0:dda4f4550403 7 arising from the use of this software.
miruga27 0:dda4f4550403 8
miruga27 0:dda4f4550403 9 Permission is granted to anyone to use this software for any purpose,
miruga27 0:dda4f4550403 10 including commercial applications, and to alter it and redistribute it
miruga27 0:dda4f4550403 11 freely, subject to the following restrictions:
miruga27 0:dda4f4550403 12
miruga27 0:dda4f4550403 13 1. The origin of this software must not be misrepresented; you must not
miruga27 0:dda4f4550403 14 claim that you wrote the original software. If you use this software
miruga27 0:dda4f4550403 15 in a product, an acknowledgment in the product documentation would be
miruga27 0:dda4f4550403 16 appreciated but is not required.
miruga27 0:dda4f4550403 17 2. Altered source versions must be plainly marked as such, and must not be
miruga27 0:dda4f4550403 18 misrepresented as being the original software.
miruga27 0:dda4f4550403 19 3. This notice may not be removed or altered from any source distribution.
miruga27 0:dda4f4550403 20 */
miruga27 0:dda4f4550403 21
miruga27 0:dda4f4550403 22 /**
miruga27 0:dda4f4550403 23 * \file SDL_hints.h
miruga27 0:dda4f4550403 24 *
miruga27 0:dda4f4550403 25 * Official documentation for SDL configuration variables
miruga27 0:dda4f4550403 26 *
miruga27 0:dda4f4550403 27 * This file contains functions to set and get configuration hints,
miruga27 0:dda4f4550403 28 * as well as listing each of them alphabetically.
miruga27 0:dda4f4550403 29 *
miruga27 0:dda4f4550403 30 * The convention for naming hints is SDL_HINT_X, where "SDL_X" is
miruga27 0:dda4f4550403 31 * the environment variable that can be used to override the default.
miruga27 0:dda4f4550403 32 *
miruga27 0:dda4f4550403 33 * In general these hints are just that - they may or may not be
miruga27 0:dda4f4550403 34 * supported or applicable on any given platform, but they provide
miruga27 0:dda4f4550403 35 * a way for an application or user to give the library a hint as
miruga27 0:dda4f4550403 36 * to how they would like the library to work.
miruga27 0:dda4f4550403 37 */
miruga27 0:dda4f4550403 38
miruga27 0:dda4f4550403 39 #ifndef _SDL_hints_h
miruga27 0:dda4f4550403 40 #define _SDL_hints_h
miruga27 0:dda4f4550403 41
miruga27 0:dda4f4550403 42 #include "SDL_stdinc.h"
miruga27 0:dda4f4550403 43
miruga27 0:dda4f4550403 44 #include "begin_code.h"
miruga27 0:dda4f4550403 45 /* Set up for C function definitions, even when using C++ */
miruga27 0:dda4f4550403 46 #ifdef __cplusplus
miruga27 0:dda4f4550403 47 extern "C" {
miruga27 0:dda4f4550403 48 #endif
miruga27 0:dda4f4550403 49
miruga27 0:dda4f4550403 50 /**
miruga27 0:dda4f4550403 51 * \brief A variable controlling how 3D acceleration is used to accelerate the SDL screen surface.
miruga27 0:dda4f4550403 52 *
miruga27 0:dda4f4550403 53 * SDL can try to accelerate the SDL screen surface by using streaming
miruga27 0:dda4f4550403 54 * textures with a 3D rendering engine. This variable controls whether and
miruga27 0:dda4f4550403 55 * how this is done.
miruga27 0:dda4f4550403 56 *
miruga27 0:dda4f4550403 57 * This variable can be set to the following values:
miruga27 0:dda4f4550403 58 * "0" - Disable 3D acceleration
miruga27 0:dda4f4550403 59 * "1" - Enable 3D acceleration, using the default renderer.
miruga27 0:dda4f4550403 60 * "X" - Enable 3D acceleration, using X where X is one of the valid rendering drivers. (e.g. "direct3d", "opengl", etc.)
miruga27 0:dda4f4550403 61 *
miruga27 0:dda4f4550403 62 * By default SDL tries to make a best guess for each platform whether
miruga27 0:dda4f4550403 63 * to use acceleration or not.
miruga27 0:dda4f4550403 64 */
miruga27 0:dda4f4550403 65 #define SDL_HINT_FRAMEBUFFER_ACCELERATION "SDL_FRAMEBUFFER_ACCELERATION"
miruga27 0:dda4f4550403 66
miruga27 0:dda4f4550403 67 /**
miruga27 0:dda4f4550403 68 * \brief A variable specifying which render driver to use.
miruga27 0:dda4f4550403 69 *
miruga27 0:dda4f4550403 70 * If the application doesn't pick a specific renderer to use, this variable
miruga27 0:dda4f4550403 71 * specifies the name of the preferred renderer. If the preferred renderer
miruga27 0:dda4f4550403 72 * can't be initialized, the normal default renderer is used.
miruga27 0:dda4f4550403 73 *
miruga27 0:dda4f4550403 74 * This variable is case insensitive and can be set to the following values:
miruga27 0:dda4f4550403 75 * "direct3d"
miruga27 0:dda4f4550403 76 * "opengl"
miruga27 0:dda4f4550403 77 * "opengles2"
miruga27 0:dda4f4550403 78 * "opengles"
miruga27 0:dda4f4550403 79 * "software"
miruga27 0:dda4f4550403 80 *
miruga27 0:dda4f4550403 81 * The default varies by platform, but it's the first one in the list that
miruga27 0:dda4f4550403 82 * is available on the current platform.
miruga27 0:dda4f4550403 83 */
miruga27 0:dda4f4550403 84 #define SDL_HINT_RENDER_DRIVER "SDL_RENDER_DRIVER"
miruga27 0:dda4f4550403 85
miruga27 0:dda4f4550403 86 /**
miruga27 0:dda4f4550403 87 * \brief A variable controlling whether the OpenGL render driver uses shaders if they are available.
miruga27 0:dda4f4550403 88 *
miruga27 0:dda4f4550403 89 * This variable can be set to the following values:
miruga27 0:dda4f4550403 90 * "0" - Disable shaders
miruga27 0:dda4f4550403 91 * "1" - Enable shaders
miruga27 0:dda4f4550403 92 *
miruga27 0:dda4f4550403 93 * By default shaders are used if OpenGL supports them.
miruga27 0:dda4f4550403 94 */
miruga27 0:dda4f4550403 95 #define SDL_HINT_RENDER_OPENGL_SHADERS "SDL_RENDER_OPENGL_SHADERS"
miruga27 0:dda4f4550403 96
miruga27 0:dda4f4550403 97 /**
miruga27 0:dda4f4550403 98 * \brief A variable controlling whether the Direct3D device is initialized for thread-safe operations.
miruga27 0:dda4f4550403 99 *
miruga27 0:dda4f4550403 100 * This variable can be set to the following values:
miruga27 0:dda4f4550403 101 * "0" - Thread-safety is not enabled (faster)
miruga27 0:dda4f4550403 102 * "1" - Thread-safety is enabled
miruga27 0:dda4f4550403 103 *
miruga27 0:dda4f4550403 104 * By default the Direct3D device is created with thread-safety disabled.
miruga27 0:dda4f4550403 105 */
miruga27 0:dda4f4550403 106 #define SDL_HINT_RENDER_DIRECT3D_THREADSAFE "SDL_RENDER_DIRECT3D_THREADSAFE"
miruga27 0:dda4f4550403 107
miruga27 0:dda4f4550403 108 /**
miruga27 0:dda4f4550403 109 * \brief A variable controlling the scaling quality
miruga27 0:dda4f4550403 110 *
miruga27 0:dda4f4550403 111 * This variable can be set to the following values:
miruga27 0:dda4f4550403 112 * "0" or "nearest" - Nearest pixel sampling
miruga27 0:dda4f4550403 113 * "1" or "linear" - Linear filtering (supported by OpenGL and Direct3D)
miruga27 0:dda4f4550403 114 * "2" or "best" - Currently this is the same as "linear"
miruga27 0:dda4f4550403 115 *
miruga27 0:dda4f4550403 116 * By default nearest pixel sampling is used
miruga27 0:dda4f4550403 117 */
miruga27 0:dda4f4550403 118 #define SDL_HINT_RENDER_SCALE_QUALITY "SDL_RENDER_SCALE_QUALITY"
miruga27 0:dda4f4550403 119
miruga27 0:dda4f4550403 120 /**
miruga27 0:dda4f4550403 121 * \brief A variable controlling whether updates to the SDL screen surface should be synchronized with the vertical refresh, to avoid tearing.
miruga27 0:dda4f4550403 122 *
miruga27 0:dda4f4550403 123 * This variable can be set to the following values:
miruga27 0:dda4f4550403 124 * "0" - Disable vsync
miruga27 0:dda4f4550403 125 * "1" - Enable vsync
miruga27 0:dda4f4550403 126 *
miruga27 0:dda4f4550403 127 * By default SDL does not sync screen surface updates with vertical refresh.
miruga27 0:dda4f4550403 128 */
miruga27 0:dda4f4550403 129 #define SDL_HINT_RENDER_VSYNC "SDL_RENDER_VSYNC"
miruga27 0:dda4f4550403 130
miruga27 0:dda4f4550403 131 /**
miruga27 0:dda4f4550403 132 * \brief A variable controlling whether the screensaver is enabled.
miruga27 0:dda4f4550403 133 *
miruga27 0:dda4f4550403 134 * This variable can be set to the following values:
miruga27 0:dda4f4550403 135 * "0" - Disable screensaver
miruga27 0:dda4f4550403 136 * "1" - Enable screensaver
miruga27 0:dda4f4550403 137 *
miruga27 0:dda4f4550403 138 * By default SDL will disable the screensaver.
miruga27 0:dda4f4550403 139 */
miruga27 0:dda4f4550403 140 #define SDL_HINT_VIDEO_ALLOW_SCREENSAVER "SDL_VIDEO_ALLOW_SCREENSAVER"
miruga27 0:dda4f4550403 141
miruga27 0:dda4f4550403 142 /**
miruga27 0:dda4f4550403 143 * \brief A variable controlling whether the X11 VidMode extension should be used.
miruga27 0:dda4f4550403 144 *
miruga27 0:dda4f4550403 145 * This variable can be set to the following values:
miruga27 0:dda4f4550403 146 * "0" - Disable XVidMode
miruga27 0:dda4f4550403 147 * "1" - Enable XVidMode
miruga27 0:dda4f4550403 148 *
miruga27 0:dda4f4550403 149 * By default SDL will use XVidMode if it is available.
miruga27 0:dda4f4550403 150 */
miruga27 0:dda4f4550403 151 #define SDL_HINT_VIDEO_X11_XVIDMODE "SDL_VIDEO_X11_XVIDMODE"
miruga27 0:dda4f4550403 152
miruga27 0:dda4f4550403 153 /**
miruga27 0:dda4f4550403 154 * \brief A variable controlling whether the X11 Xinerama extension should be used.
miruga27 0:dda4f4550403 155 *
miruga27 0:dda4f4550403 156 * This variable can be set to the following values:
miruga27 0:dda4f4550403 157 * "0" - Disable Xinerama
miruga27 0:dda4f4550403 158 * "1" - Enable Xinerama
miruga27 0:dda4f4550403 159 *
miruga27 0:dda4f4550403 160 * By default SDL will use Xinerama if it is available.
miruga27 0:dda4f4550403 161 */
miruga27 0:dda4f4550403 162 #define SDL_HINT_VIDEO_X11_XINERAMA "SDL_VIDEO_X11_XINERAMA"
miruga27 0:dda4f4550403 163
miruga27 0:dda4f4550403 164 /**
miruga27 0:dda4f4550403 165 * \brief A variable controlling whether the X11 XRandR extension should be used.
miruga27 0:dda4f4550403 166 *
miruga27 0:dda4f4550403 167 * This variable can be set to the following values:
miruga27 0:dda4f4550403 168 * "0" - Disable XRandR
miruga27 0:dda4f4550403 169 * "1" - Enable XRandR
miruga27 0:dda4f4550403 170 *
miruga27 0:dda4f4550403 171 * By default SDL will not use XRandR because of window manager issues.
miruga27 0:dda4f4550403 172 */
miruga27 0:dda4f4550403 173 #define SDL_HINT_VIDEO_X11_XRANDR "SDL_VIDEO_X11_XRANDR"
miruga27 0:dda4f4550403 174
miruga27 0:dda4f4550403 175 /**
miruga27 0:dda4f4550403 176 * \brief A variable controlling whether grabbing input grabs the keyboard
miruga27 0:dda4f4550403 177 *
miruga27 0:dda4f4550403 178 * This variable can be set to the following values:
miruga27 0:dda4f4550403 179 * "0" - Grab will affect only the mouse
miruga27 0:dda4f4550403 180 * "1" - Grab will affect mouse and keyboard
miruga27 0:dda4f4550403 181 *
miruga27 0:dda4f4550403 182 * By default SDL will not grab the keyboard so system shortcuts still work.
miruga27 0:dda4f4550403 183 */
miruga27 0:dda4f4550403 184 #define SDL_HINT_GRAB_KEYBOARD "SDL_GRAB_KEYBOARD"
miruga27 0:dda4f4550403 185
miruga27 0:dda4f4550403 186 /**
miruga27 0:dda4f4550403 187 * \brief A variable controlling whether relative mouse mode is implemented using mouse warping
miruga27 0:dda4f4550403 188 *
miruga27 0:dda4f4550403 189 * This variable can be set to the following values:
miruga27 0:dda4f4550403 190 * "0" - Relative mouse mode uses raw input
miruga27 0:dda4f4550403 191 * "1" - Relative mouse mode uses mouse warping
miruga27 0:dda4f4550403 192 *
miruga27 0:dda4f4550403 193 * By default SDL will use raw input for relative mouse mode
miruga27 0:dda4f4550403 194 */
miruga27 0:dda4f4550403 195 #define SDL_HINT_MOUSE_RELATIVE_MODE_WARP "SDL_MOUSE_RELATIVE_MODE_WARP"
miruga27 0:dda4f4550403 196
miruga27 0:dda4f4550403 197 /**
miruga27 0:dda4f4550403 198 * \brief Minimize your SDL_Window if it loses key focus when in fullscreen mode. Defaults to true.
miruga27 0:dda4f4550403 199 *
miruga27 0:dda4f4550403 200 */
miruga27 0:dda4f4550403 201 #define SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS "SDL_VIDEO_MINIMIZE_ON_FOCUS_LOSS"
miruga27 0:dda4f4550403 202
miruga27 0:dda4f4550403 203 /**
miruga27 0:dda4f4550403 204 * \brief A variable controlling whether the idle timer is disabled on iOS.
miruga27 0:dda4f4550403 205 *
miruga27 0:dda4f4550403 206 * When an iOS app does not receive touches for some time, the screen is
miruga27 0:dda4f4550403 207 * dimmed automatically. For games where the accelerometer is the only input
miruga27 0:dda4f4550403 208 * this is problematic. This functionality can be disabled by setting this
miruga27 0:dda4f4550403 209 * hint.
miruga27 0:dda4f4550403 210 *
miruga27 0:dda4f4550403 211 * This variable can be set to the following values:
miruga27 0:dda4f4550403 212 * "0" - Enable idle timer
miruga27 0:dda4f4550403 213 * "1" - Disable idle timer
miruga27 0:dda4f4550403 214 */
miruga27 0:dda4f4550403 215 #define SDL_HINT_IDLE_TIMER_DISABLED "SDL_IOS_IDLE_TIMER_DISABLED"
miruga27 0:dda4f4550403 216
miruga27 0:dda4f4550403 217 /**
miruga27 0:dda4f4550403 218 * \brief A variable controlling which orientations are allowed on iOS.
miruga27 0:dda4f4550403 219 *
miruga27 0:dda4f4550403 220 * In some circumstances it is necessary to be able to explicitly control
miruga27 0:dda4f4550403 221 * which UI orientations are allowed.
miruga27 0:dda4f4550403 222 *
miruga27 0:dda4f4550403 223 * This variable is a space delimited list of the following values:
miruga27 0:dda4f4550403 224 * "LandscapeLeft", "LandscapeRight", "Portrait" "PortraitUpsideDown"
miruga27 0:dda4f4550403 225 */
miruga27 0:dda4f4550403 226 #define SDL_HINT_ORIENTATIONS "SDL_IOS_ORIENTATIONS"
miruga27 0:dda4f4550403 227
miruga27 0:dda4f4550403 228 /**
miruga27 0:dda4f4550403 229 * \brief A variable controlling whether an Android built-in accelerometer should be
miruga27 0:dda4f4550403 230 * listed as a joystick device, rather than listing actual joysticks only.
miruga27 0:dda4f4550403 231 *
miruga27 0:dda4f4550403 232 * This variable can be set to the following values:
miruga27 0:dda4f4550403 233 * "0" - List only real joysticks and accept input from them
miruga27 0:dda4f4550403 234 * "1" - List real joysticks along with the accelerometer as if it were a 3 axis joystick (the default).
miruga27 0:dda4f4550403 235 */
miruga27 0:dda4f4550403 236 #define SDL_HINT_ACCELEROMETER_AS_JOYSTICK "SDL_ACCELEROMETER_AS_JOYSTICK"
miruga27 0:dda4f4550403 237
miruga27 0:dda4f4550403 238
miruga27 0:dda4f4550403 239 /**
miruga27 0:dda4f4550403 240 * \brief A variable that lets you disable the detection and use of Xinput gamepad devices
miruga27 0:dda4f4550403 241 *
miruga27 0:dda4f4550403 242 * The variable can be set to the following values:
miruga27 0:dda4f4550403 243 * "0" - Disable XInput detection (only uses direct input)
miruga27 0:dda4f4550403 244 * "1" - Enable XInput detection (the default)
miruga27 0:dda4f4550403 245 */
miruga27 0:dda4f4550403 246 #define SDL_HINT_XINPUT_ENABLED "SDL_XINPUT_ENABLED"
miruga27 0:dda4f4550403 247
miruga27 0:dda4f4550403 248
miruga27 0:dda4f4550403 249 /**
miruga27 0:dda4f4550403 250 * \brief A variable that lets you manually hint extra gamecontroller db entries
miruga27 0:dda4f4550403 251 *
miruga27 0:dda4f4550403 252 * The variable should be newline delimited rows of gamecontroller config data, see SDL_gamecontroller.h
miruga27 0:dda4f4550403 253 *
miruga27 0:dda4f4550403 254 * This hint must be set before calling SDL_Init(SDL_INIT_GAMECONTROLLER)
miruga27 0:dda4f4550403 255 * You can update mappings after the system is initialized with SDL_GameControllerMappingForGUID() and SDL_GameControllerAddMapping()
miruga27 0:dda4f4550403 256 */
miruga27 0:dda4f4550403 257 #define SDL_HINT_GAMECONTROLLERCONFIG "SDL_GAMECONTROLLERCONFIG"
miruga27 0:dda4f4550403 258
miruga27 0:dda4f4550403 259
miruga27 0:dda4f4550403 260 /**
miruga27 0:dda4f4550403 261 * \brief A variable that lets you enable joystick (and gamecontroller) events even when your app is in the background.
miruga27 0:dda4f4550403 262 *
miruga27 0:dda4f4550403 263 * The variable can be set to the following values:
miruga27 0:dda4f4550403 264 * "0" - Disable joystick & gamecontroller input events when the
miruga27 0:dda4f4550403 265 * application is in the background.
miruga27 0:dda4f4550403 266 * "1" - Enable joystick & gamecontroller input events when the
miruga27 0:dda4f4550403 267 * application is in the background.
miruga27 0:dda4f4550403 268 *
miruga27 0:dda4f4550403 269 * The default value is "0". This hint may be set at any time.
miruga27 0:dda4f4550403 270 */
miruga27 0:dda4f4550403 271 #define SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS "SDL_JOYSTICK_ALLOW_BACKGROUND_EVENTS"
miruga27 0:dda4f4550403 272
miruga27 0:dda4f4550403 273
miruga27 0:dda4f4550403 274 /**
miruga27 0:dda4f4550403 275 * \brief If set to 0 then never set the top most bit on a SDL Window, even if the video mode expects it.
miruga27 0:dda4f4550403 276 * This is a debugging aid for developers and not expected to be used by end users. The default is "1"
miruga27 0:dda4f4550403 277 *
miruga27 0:dda4f4550403 278 * This variable can be set to the following values:
miruga27 0:dda4f4550403 279 * "0" - don't allow topmost
miruga27 0:dda4f4550403 280 * "1" - allow topmost
miruga27 0:dda4f4550403 281 */
miruga27 0:dda4f4550403 282 #define SDL_HINT_ALLOW_TOPMOST "SDL_ALLOW_TOPMOST"
miruga27 0:dda4f4550403 283
miruga27 0:dda4f4550403 284
miruga27 0:dda4f4550403 285 /**
miruga27 0:dda4f4550403 286 * \brief A variable that controls the timer resolution, in milliseconds.
miruga27 0:dda4f4550403 287 *
miruga27 0:dda4f4550403 288 * The higher resolution the timer, the more frequently the CPU services
miruga27 0:dda4f4550403 289 * timer interrupts, and the more precise delays are, but this takes up
miruga27 0:dda4f4550403 290 * power and CPU time. This hint is only used on Windows 7 and earlier.
miruga27 0:dda4f4550403 291 *
miruga27 0:dda4f4550403 292 * See this blog post for more information:
miruga27 0:dda4f4550403 293 * http://randomascii.wordpress.com/2013/07/08/windows-timer-resolution-megawatts-wasted/
miruga27 0:dda4f4550403 294 *
miruga27 0:dda4f4550403 295 * If this variable is set to "0", the system timer resolution is not set.
miruga27 0:dda4f4550403 296 *
miruga27 0:dda4f4550403 297 * The default value is "1". This hint may be set at any time.
miruga27 0:dda4f4550403 298 */
miruga27 0:dda4f4550403 299 #define SDL_HINT_TIMER_RESOLUTION "SDL_TIMER_RESOLUTION"
miruga27 0:dda4f4550403 300
miruga27 0:dda4f4550403 301
miruga27 0:dda4f4550403 302 /**
miruga27 0:dda4f4550403 303 * \brief If set to 1, then do not allow high-DPI windows. ("Retina" on Mac)
miruga27 0:dda4f4550403 304 */
miruga27 0:dda4f4550403 305 #define SDL_HINT_VIDEO_HIGHDPI_DISABLED "SDL_VIDEO_HIGHDPI_DISABLED"
miruga27 0:dda4f4550403 306
miruga27 0:dda4f4550403 307 /**
miruga27 0:dda4f4550403 308 * \brief A variable that determines whether ctrl+click should generate a right-click event on Mac
miruga27 0:dda4f4550403 309 *
miruga27 0:dda4f4550403 310 * If present, holding ctrl while left clicking will generate a right click
miruga27 0:dda4f4550403 311 * event when on Mac.
miruga27 0:dda4f4550403 312 */
miruga27 0:dda4f4550403 313 #define SDL_HINT_MAC_CTRL_CLICK_EMULATE_RIGHT_CLICK "SDL_MAC_CTRL_CLICK_EMULATE_RIGHT_CLICK"
miruga27 0:dda4f4550403 314
miruga27 0:dda4f4550403 315 /**
miruga27 0:dda4f4550403 316 * \brief A variable specifying which shader compiler to preload when using the Chrome ANGLE binaries
miruga27 0:dda4f4550403 317 *
miruga27 0:dda4f4550403 318 * SDL has EGL and OpenGL ES2 support on Windows via the ANGLE project. It
miruga27 0:dda4f4550403 319 * can use two different sets of binaries, those compiled by the user from source
miruga27 0:dda4f4550403 320 * or those provided by the Chrome browser. In the later case, these binaries require
miruga27 0:dda4f4550403 321 * that SDL loads a DLL providing the shader compiler.
miruga27 0:dda4f4550403 322 *
miruga27 0:dda4f4550403 323 * This variable can be set to the following values:
miruga27 0:dda4f4550403 324 * "d3dcompiler_46.dll" - default, best for Vista or later.
miruga27 0:dda4f4550403 325 * "d3dcompiler_43.dll" - for XP support.
miruga27 0:dda4f4550403 326 * "none" - do not load any library, useful if you compiled ANGLE from source and included the compiler in your binaries.
miruga27 0:dda4f4550403 327 *
miruga27 0:dda4f4550403 328 */
miruga27 0:dda4f4550403 329 #define SDL_HINT_VIDEO_WIN_D3DCOMPILER "SDL_VIDEO_WIN_D3DCOMPILER"
miruga27 0:dda4f4550403 330
miruga27 0:dda4f4550403 331 /**
miruga27 0:dda4f4550403 332 * \brief A variable that is the address of another SDL_Window* (as a hex string formatted with "%p").
miruga27 0:dda4f4550403 333 *
miruga27 0:dda4f4550403 334 * If this hint is set before SDL_CreateWindowFrom() and the SDL_Window* it is set to has
miruga27 0:dda4f4550403 335 * SDL_WINDOW_OPENGL set (and running on WGL only, currently), then two things will occur on the newly
miruga27 0:dda4f4550403 336 * created SDL_Window:
miruga27 0:dda4f4550403 337
miruga27 0:dda4f4550403 338 * 1. Its pixel format will be set to the same pixel format as this SDL_Window. This is
miruga27 0:dda4f4550403 339 * needed for example when sharing an OpenGL context across multiple windows.
miruga27 0:dda4f4550403 340 *
miruga27 0:dda4f4550403 341 * 2. The flag SDL_WINDOW_OPENGL will be set on the new window so it can be used for
miruga27 0:dda4f4550403 342 * OpenGL rendering.
miruga27 0:dda4f4550403 343 *
miruga27 0:dda4f4550403 344 * This variable can be set to the following values:
miruga27 0:dda4f4550403 345 * The address (as a string "%p") of the SDL_Window* that new windows created with SDL_CreateWindowFrom() should
miruga27 0:dda4f4550403 346 * share a pixel format with.
miruga27 0:dda4f4550403 347 */
miruga27 0:dda4f4550403 348 #define SDL_HINT_VIDEO_WINDOW_SHARE_PIXEL_FORMAT "SDL_VIDEO_WINDOW_SHARE_PIXEL_FORMAT"
miruga27 0:dda4f4550403 349
miruga27 0:dda4f4550403 350 /**
miruga27 0:dda4f4550403 351 * \brief A variable that dictates policy for fullscreen Spaces on Mac OS X.
miruga27 0:dda4f4550403 352 *
miruga27 0:dda4f4550403 353 * This hint only applies to Mac OS X.
miruga27 0:dda4f4550403 354 *
miruga27 0:dda4f4550403 355 * The variable can be set to the following values:
miruga27 0:dda4f4550403 356 * "0" - Disable Spaces support (FULLSCREEN_DESKTOP won't use them and
miruga27 0:dda4f4550403 357 * SDL_WINDOW_RESIZABLE windows won't offer the "fullscreen"
miruga27 0:dda4f4550403 358 * button on their titlebars).
miruga27 0:dda4f4550403 359 * "1" - Enable Spaces support (FULLSCREEN_DESKTOP will use them and
miruga27 0:dda4f4550403 360 * SDL_WINDOW_RESIZABLE windows will offer the "fullscreen"
miruga27 0:dda4f4550403 361 * button on their titlebars.
miruga27 0:dda4f4550403 362 *
miruga27 0:dda4f4550403 363 * The default value is "1". Spaces are disabled regardless of this hint if
miruga27 0:dda4f4550403 364 * the OS isn't at least Mac OS X Lion (10.7). This hint must be set before
miruga27 0:dda4f4550403 365 * any windows are created.
miruga27 0:dda4f4550403 366 */
miruga27 0:dda4f4550403 367 #define SDL_HINT_VIDEO_MAC_FULLSCREEN_SPACES "SDL_VIDEO_MAC_FULLSCREEN_SPACES"
miruga27 0:dda4f4550403 368
miruga27 0:dda4f4550403 369
miruga27 0:dda4f4550403 370 /**
miruga27 0:dda4f4550403 371 * \brief An enumeration of hint priorities
miruga27 0:dda4f4550403 372 */
miruga27 0:dda4f4550403 373 typedef enum
miruga27 0:dda4f4550403 374 {
miruga27 0:dda4f4550403 375 SDL_HINT_DEFAULT,
miruga27 0:dda4f4550403 376 SDL_HINT_NORMAL,
miruga27 0:dda4f4550403 377 SDL_HINT_OVERRIDE
miruga27 0:dda4f4550403 378 } SDL_HintPriority;
miruga27 0:dda4f4550403 379
miruga27 0:dda4f4550403 380
miruga27 0:dda4f4550403 381 /**
miruga27 0:dda4f4550403 382 * \brief Set a hint with a specific priority
miruga27 0:dda4f4550403 383 *
miruga27 0:dda4f4550403 384 * The priority controls the behavior when setting a hint that already
miruga27 0:dda4f4550403 385 * has a value. Hints will replace existing hints of their priority and
miruga27 0:dda4f4550403 386 * lower. Environment variables are considered to have override priority.
miruga27 0:dda4f4550403 387 *
miruga27 0:dda4f4550403 388 * \return SDL_TRUE if the hint was set, SDL_FALSE otherwise
miruga27 0:dda4f4550403 389 */
miruga27 0:dda4f4550403 390 extern DECLSPEC SDL_bool SDLCALL SDL_SetHintWithPriority(const char *name,
miruga27 0:dda4f4550403 391 const char *value,
miruga27 0:dda4f4550403 392 SDL_HintPriority priority);
miruga27 0:dda4f4550403 393
miruga27 0:dda4f4550403 394 /**
miruga27 0:dda4f4550403 395 * \brief Set a hint with normal priority
miruga27 0:dda4f4550403 396 *
miruga27 0:dda4f4550403 397 * \return SDL_TRUE if the hint was set, SDL_FALSE otherwise
miruga27 0:dda4f4550403 398 */
miruga27 0:dda4f4550403 399 extern DECLSPEC SDL_bool SDLCALL SDL_SetHint(const char *name,
miruga27 0:dda4f4550403 400 const char *value);
miruga27 0:dda4f4550403 401
miruga27 0:dda4f4550403 402 /**
miruga27 0:dda4f4550403 403 * \brief Get a hint
miruga27 0:dda4f4550403 404 *
miruga27 0:dda4f4550403 405 * \return The string value of a hint variable.
miruga27 0:dda4f4550403 406 */
miruga27 0:dda4f4550403 407 extern DECLSPEC const char * SDLCALL SDL_GetHint(const char *name);
miruga27 0:dda4f4550403 408
miruga27 0:dda4f4550403 409 /**
miruga27 0:dda4f4550403 410 * \brief Add a function to watch a particular hint
miruga27 0:dda4f4550403 411 *
miruga27 0:dda4f4550403 412 * \param name The hint to watch
miruga27 0:dda4f4550403 413 * \param callback The function to call when the hint value changes
miruga27 0:dda4f4550403 414 * \param userdata A pointer to pass to the callback function
miruga27 0:dda4f4550403 415 */
miruga27 0:dda4f4550403 416 typedef void (*SDL_HintCallback)(void *userdata, const char *name, const char *oldValue, const char *newValue);
miruga27 0:dda4f4550403 417 extern DECLSPEC void SDLCALL SDL_AddHintCallback(const char *name,
miruga27 0:dda4f4550403 418 SDL_HintCallback callback,
miruga27 0:dda4f4550403 419 void *userdata);
miruga27 0:dda4f4550403 420
miruga27 0:dda4f4550403 421 /**
miruga27 0:dda4f4550403 422 * \brief Remove a function watching a particular hint
miruga27 0:dda4f4550403 423 *
miruga27 0:dda4f4550403 424 * \param name The hint being watched
miruga27 0:dda4f4550403 425 * \param callback The function being called when the hint value changes
miruga27 0:dda4f4550403 426 * \param userdata A pointer being passed to the callback function
miruga27 0:dda4f4550403 427 */
miruga27 0:dda4f4550403 428 extern DECLSPEC void SDLCALL SDL_DelHintCallback(const char *name,
miruga27 0:dda4f4550403 429 SDL_HintCallback callback,
miruga27 0:dda4f4550403 430 void *userdata);
miruga27 0:dda4f4550403 431
miruga27 0:dda4f4550403 432 /**
miruga27 0:dda4f4550403 433 * \brief Clear all hints
miruga27 0:dda4f4550403 434 *
miruga27 0:dda4f4550403 435 * This function is called during SDL_Quit() to free stored hints.
miruga27 0:dda4f4550403 436 */
miruga27 0:dda4f4550403 437 extern DECLSPEC void SDLCALL SDL_ClearHints(void);
miruga27 0:dda4f4550403 438
miruga27 0:dda4f4550403 439
miruga27 0:dda4f4550403 440 /* Ends C function definitions when using C++ */
miruga27 0:dda4f4550403 441 #ifdef __cplusplus
miruga27 0:dda4f4550403 442 }
miruga27 0:dda4f4550403 443 #endif
miruga27 0:dda4f4550403 444 #include "close_code.h"
miruga27 0:dda4f4550403 445
miruga27 0:dda4f4550403 446 #endif /* _SDL_hints_h */
miruga27 0:dda4f4550403 447
miruga27 0:dda4f4550403 448 /* vi: set ts=4 sw=4 expandtab: */