pandory500/SDL-mirror
2
0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

add in High DPI support (aka Retina)

Browse source 
- based on Jørgen's patch with a few bug fixes
This commit is contained in:
Edward Rudd 2013-09-20 13:43:00 -04:00
parent a449178caa
commit 3a11d95444
12 changed files with 134 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

5
include/SDL_hints.h
View file

@ -257,6 +257,11 @@ extern "C" {
#define SDL_HINT_TIMER_RESOLUTION "SDL_TIMER_RESOLUTION"
/**
* \brief If set to 1, then do not allow high-DPI windows. ("Retina" on Mac)
*/
#define SDL_HINT_VIDEO_HIGHDPI_DISABLED "SDL_HIGHDPI_DISABLED"
/**
* \brief An enumeration of hint priorities

29
include/SDL_video.h
View file

@ -107,7 +107,8 @@ typedef enum
SDL_WINDOW_INPUT_FOCUS = 0x00000200, /**< window has input focus */
SDL_WINDOW_MOUSE_FOCUS = 0x00000400, /**< window has mouse focus */
SDL_WINDOW_FULLSCREEN_DESKTOP = ( SDL_WINDOW_FULLSCREEN | 0x00001000 ),
SDL_WINDOW_FOREIGN = 0x00000800 /**< window not created by SDL */
SDL_WINDOW_FOREIGN = 0x00000800, /**< window not created by SDL */
SDL_WINDOW_ALLOW_HIGHDPI = 0x00002000, /**< window should be created in high-DPI mode if supported */
} SDL_WindowFlags;
/**
@ -393,10 +394,11 @@ extern DECLSPEC Uint32 SDLCALL SDL_GetWindowPixelFormat(SDL_Window * window);
* \param w The width of the window.
* \param h The height of the window.
* \param flags The flags for the window, a mask of any of the following:
* ::SDL_WINDOW_FULLSCREEN, ::SDL_WINDOW_OPENGL,
* ::SDL_WINDOW_HIDDEN, ::SDL_WINDOW_BORDERLESS,
* ::SDL_WINDOW_RESIZABLE, ::SDL_WINDOW_MAXIMIZED,
* ::SDL_WINDOW_MINIMIZED, ::SDL_WINDOW_INPUT_GRABBED.
* ::SDL_WINDOW_FULLSCREEN, ::SDL_WINDOW_OPENGL,
* ::SDL_WINDOW_HIDDEN, ::SDL_WINDOW_BORDERLESS,
* ::SDL_WINDOW_RESIZABLE, ::SDL_WINDOW_MAXIMIZED,
* ::SDL_WINDOW_MINIMIZED, ::SDL_WINDOW_INPUT_GRABBED,
* ::SDL_WINDOW_ALLOW_HIGHDPI.
*
* \return The id of the window created, or zero if window creation failed.
*
@ -899,6 +901,23 @@ extern DECLSPEC SDL_Window* SDLCALL SDL_GL_GetCurrentWindow(void);
*/
extern DECLSPEC SDL_GLContext SDLCALL SDL_GL_GetCurrentContext(void);
/**
* \brief Get the size of a window's underlying drawable (for use with glViewport).
*
* \param w Pointer to variable for storing the width, may be NULL
* \param h Pointer to variable for storing the height, may be NULL
*
* This may differ from SDL_GetWindowSize if we're rendering to a high-DPI
* drawable, i.e. the window was created with SDL_WINDOW_ALLOW_HIGHDPI on a
* platform with high-DPI support (Apple calls this "Retina"), and not disabled
* by the SDL_HINT_VIDEO_HIGHDPI_DISABLED hint.
*
* \sa SDL_GetWindowSize()
* \sa SDL_CreateWindow()
*/
extern DECLSPEC void SDLCALL SDL_GL_GetDrawableSize(SDL_Window * window, int *w,
int *h);
/**
* \brief Set the swap interval for the current OpenGL context.
*