SDL  2.0
SDL_cocoavideo.m
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 #include "../../SDL_internal.h"
22 
23 #if SDL_VIDEO_DRIVER_COCOA
24 
25 #include "SDL.h"
26 #include "SDL_endian.h"
27 #include "SDL_cocoavideo.h"
28 #include "SDL_cocoashape.h"
29 #include "SDL_cocoavulkan.h"
30 #include "SDL_assert.h"
31 
32 /* Initialization/Query functions */
33 static int Cocoa_VideoInit(_THIS);
34 static void Cocoa_VideoQuit(_THIS);
35 
36 /* Cocoa driver bootstrap functions */
37 
38 static int
39 Cocoa_Available(void)
40 {
41  return (1);
42 }
43 
44 static void
45 Cocoa_DeleteDevice(SDL_VideoDevice * device)
46 {
47  SDL_free(device->driverdata);
48  SDL_free(device);
49 }
50 
51 static SDL_VideoDevice *
52 Cocoa_CreateDevice(int devindex)
53 {
56 
58 
59  /* Initialize all variables that we clean on shutdown */
60  device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
61  if (device) {
62  data = (struct SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
63  } else {
64  data = NULL;
65  }
66  if (!data) {
68  SDL_free(device);
69  return NULL;
70  }
71  device->driverdata = data;
72 
73  /* Set the function pointers */
74  device->VideoInit = Cocoa_VideoInit;
75  device->VideoQuit = Cocoa_VideoQuit;
81  device->PumpEvents = Cocoa_PumpEvents;
83 
93  device->ShowWindow = Cocoa_ShowWindow;
94  device->HideWindow = Cocoa_HideWindow;
109 
113 
114 #if SDL_VIDEO_OPENGL_CGL
115  device->GL_LoadLibrary = Cocoa_GL_LoadLibrary;
116  device->GL_GetProcAddress = Cocoa_GL_GetProcAddress;
117  device->GL_UnloadLibrary = Cocoa_GL_UnloadLibrary;
118  device->GL_CreateContext = Cocoa_GL_CreateContext;
119  device->GL_MakeCurrent = Cocoa_GL_MakeCurrent;
120  device->GL_GetDrawableSize = Cocoa_GL_GetDrawableSize;
121  device->GL_SetSwapInterval = Cocoa_GL_SetSwapInterval;
122  device->GL_GetSwapInterval = Cocoa_GL_GetSwapInterval;
123  device->GL_SwapWindow = Cocoa_GL_SwapWindow;
124  device->GL_DeleteContext = Cocoa_GL_DeleteContext;
125 #elif SDL_VIDEO_OPENGL_EGL
126  device->GL_LoadLibrary = Cocoa_GLES_LoadLibrary;
127  device->GL_GetProcAddress = Cocoa_GLES_GetProcAddress;
128  device->GL_UnloadLibrary = Cocoa_GLES_UnloadLibrary;
129  device->GL_CreateContext = Cocoa_GLES_CreateContext;
130  device->GL_MakeCurrent = Cocoa_GLES_MakeCurrent;
131  device->GL_SetSwapInterval = Cocoa_GLES_SetSwapInterval;
132  device->GL_GetSwapInterval = Cocoa_GLES_GetSwapInterval;
133  device->GL_SwapWindow = Cocoa_GLES_SwapWindow;
134  device->GL_DeleteContext = Cocoa_GLES_DeleteContext;
135 #endif
136 
137 #if SDL_VIDEO_VULKAN
138  device->Vulkan_LoadLibrary = Cocoa_Vulkan_LoadLibrary;
139  device->Vulkan_UnloadLibrary = Cocoa_Vulkan_UnloadLibrary;
140  device->Vulkan_GetInstanceExtensions = Cocoa_Vulkan_GetInstanceExtensions;
141  device->Vulkan_CreateSurface = Cocoa_Vulkan_CreateSurface;
142  device->Vulkan_GetDrawableSize = Cocoa_Vulkan_GetDrawableSize;
143 #endif
144 
148 
152 
153  device->free = Cocoa_DeleteDevice;
154 
155  return device;
156 }
157 
159  "cocoa", "SDL Cocoa video driver",
160  Cocoa_Available, Cocoa_CreateDevice
161 };
162 
163 
164 int
165 Cocoa_VideoInit(_THIS)
166 {
168 
172 
173  data->allow_spaces = ((floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6) && SDL_GetHintBoolean(SDL_HINT_VIDEO_MAC_FULLSCREEN_SPACES, SDL_TRUE));
174 
175  /* The IOPM assertion API can disable the screensaver as of 10.7. */
176  data->screensaver_use_iopm = floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6;
177 
178  data->swaplock = SDL_CreateMutex();
179  if (!data->swaplock) {
180  return -1;
181  }
182 
183  return 0;
184 }
185 
186 void
187 Cocoa_VideoQuit(_THIS)
188 {
193  SDL_DestroyMutex(data->swaplock);
194  data->swaplock = NULL;
195 }
196 
197 /* This function assumes that it's called from within an autorelease pool */
198 NSImage *
200 {
201  SDL_Surface *converted;
202  NSBitmapImageRep *imgrep;
203  Uint8 *pixels;
204  int i;
205  NSImage *img;
206 
207  converted = SDL_ConvertSurfaceFormat(surface, SDL_PIXELFORMAT_RGBA32, 0);
208  if (!converted) {
209  return nil;
210  }
211 
212  imgrep = [[[NSBitmapImageRep alloc] initWithBitmapDataPlanes: NULL
213  pixelsWide: converted->w
214  pixelsHigh: converted->h
215  bitsPerSample: 8
216  samplesPerPixel: 4
217  hasAlpha: YES
218  isPlanar: NO
219  colorSpaceName: NSDeviceRGBColorSpace
220  bytesPerRow: converted->pitch
221  bitsPerPixel: converted->format->BitsPerPixel] autorelease];
222  if (imgrep == nil) {
223  SDL_FreeSurface(converted);
224  return nil;
225  }
226 
227  /* Copy the pixels */
228  pixels = [imgrep bitmapData];
229  SDL_memcpy(pixels, converted->pixels, converted->h * converted->pitch);
230  SDL_FreeSurface(converted);
231 
232  /* Premultiply the alpha channel */
233  for (i = (surface->h * surface->w); i--; ) {
234  Uint8 alpha = pixels[3];
235  pixels[0] = (Uint8)(((Uint16)pixels[0] * alpha) / 255);
236  pixels[1] = (Uint8)(((Uint16)pixels[1] * alpha) / 255);
237  pixels[2] = (Uint8)(((Uint16)pixels[2] * alpha) / 255);
238  pixels += 4;
239  }
240 
241  img = [[[NSImage alloc] initWithSize: NSMakeSize(surface->w, surface->h)] autorelease];
242  if (img != nil) {
243  [img addRepresentation: imgrep];
244  }
245  return img;
246 }
247 
248 /*
249  * Mac OS X log support.
250  *
251  * This doesn't really have aything to do with the interfaces of the SDL video
252  * subsystem, but we need to stuff this into an Objective-C source code file.
253  */
254 
255 void SDL_NSLog(const char *text)
256 {
257  NSLog(@"%s", text);
258 }
259 
260 #endif /* SDL_VIDEO_DRIVER_COCOA */
261 
262 /* vim: set ts=4 sw=4 expandtab: */
void(* SetWindowMaximumSize)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:218
void(* GetDisplayModes)(_THIS, SDL_VideoDisplay *display)
Definition: SDL_sysvideo.h:197
void Cocoa_GetDisplayModes(_THIS, SDL_VideoDisplay *display)
int Cocoa_CreateWindowFrom(_THIS, SDL_Window *window, const void *data)
void(* MinimizeWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:227
void Cocoa_SetTextInputRect(_THIS, SDL_Rect *rect)
void Cocoa_RegisterApp(void)
void Cocoa_InitMouse(_THIS)
#define SDL_ConvertSurfaceFormat
SDL_bool(* GetWindowWMInfo)(_THIS, SDL_Window *window, struct SDL_SysWMinfo *info)
Definition: SDL_sysvideo.h:248
void(* RaiseWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:225
char * Cocoa_GetClipboardText(_THIS)
int(* SetClipboardText)(_THIS, const char *text)
Definition: SDL_sysvideo.h:298
void Cocoa_MinimizeWindow(_THIS, SDL_Window *window)
int(* GetDisplayDPI)(_THIS, SDL_VideoDisplay *display, float *ddpi, float *hdpi, float *vdpi)
Definition: SDL_sysvideo.h:192
void(* HideWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:224
void Cocoa_SetWindowIcon(_THIS, SDL_Window *window, SDL_Surface *icon)
int(* GL_MakeCurrent)(_THIS, SDL_Window *window, SDL_GLContext context)
Definition: SDL_sysvideo.h:259
void Cocoa_SetWindowMaximumSize(_THIS, SDL_Window *window)
int(* GetWindowGammaRamp)(_THIS, SDL_Window *window, Uint16 *ramp)
Definition: SDL_sysvideo.h:233
void Cocoa_SetWindowResizable(_THIS, SDL_Window *window, SDL_bool resizable)
void(* StopTextInput)(_THIS)
Definition: SDL_sysvideo.h:288
void Cocoa_SetWindowBordered(_THIS, SDL_Window *window, SDL_bool bordered)
int(* GetDisplayBounds)(_THIS, SDL_VideoDisplay *display, SDL_Rect *rect)
Definition: SDL_sysvideo.h:182
#define SDL_CreateMutex
EGLSurface surface
Definition: eglext.h:248
A collection of pixels used in software blitting.
Definition: SDL_surface.h:69
void(* SetWindowGrab)(_THIS, SDL_Window *window, SDL_bool grabbed)
Definition: SDL_sysvideo.h:234
int(* GetDisplayUsableBounds)(_THIS, SDL_VideoDisplay *display, SDL_Rect *rect)
Definition: SDL_sysvideo.h:187
void(* SetWindowIcon)(_THIS, SDL_Window *window, SDL_Surface *icon)
Definition: SDL_sysvideo.h:214
uint16_t Uint16
Definition: SDL_stdinc.h:191
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
void Cocoa_SuspendScreenSaver(_THIS)
void Cocoa_SetWindowTitle(_THIS, SDL_Window *window)
SDL_bool(* Vulkan_CreateSurface)(_THIS, SDL_Window *window, VkInstance instance, VkSurfaceKHR *surface)
Definition: SDL_sysvideo.h:274
void Cocoa_SetWindowPosition(_THIS, SDL_Window *window)
int(* Vulkan_LoadLibrary)(_THIS, const char *path)
Definition: SDL_sysvideo.h:271
void Cocoa_StartTextInput(_THIS)
void(* free)(_THIS)
Definition: SDL_sysvideo.h:394
void(* AcceptDragAndDrop)(SDL_Window *window, SDL_bool accept)
Definition: SDL_sysvideo.h:309
GLfloat GLfloat GLfloat alpha
int Cocoa_GetDisplayUsableBounds(_THIS, SDL_VideoDisplay *display, SDL_Rect *rect)
#define SDL_GetHintBoolean
void Cocoa_QuitKeyboard(_THIS)
int(* GL_SetSwapInterval)(_THIS, int interval)
Definition: SDL_sysvideo.h:261
static SDL_VideoDevice * _this
Definition: SDL_video.c:121
void Cocoa_RestoreWindow(_THIS, SDL_Window *window)
int Cocoa_SetClipboardText(_THIS, const char *text)
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
SDL_bool Cocoa_HasClipboardText(_THIS)
static SDL_AudioDeviceID device
Definition: loopwave.c:37
void Cocoa_AcceptDragAndDrop(SDL_Window *window, SDL_bool accept)
int Cocoa_SetWindowShape(SDL_WindowShaper *shaper, SDL_Surface *shape, SDL_WindowShapeMode *shape_mode)
void(* GL_UnloadLibrary)(_THIS)
Definition: SDL_sysvideo.h:257
int(* CreateSDLWindowFrom)(_THIS, SDL_Window *window, const void *data)
Definition: SDL_sysvideo.h:212
void Cocoa_ShowWindow(_THIS, SDL_Window *window)
void(* GL_GetDrawableSize)(_THIS, SDL_Window *window, int *w, int *h)
Definition: SDL_sysvideo.h:260
#define SDL_memcpy
GLint GLvoid * img
Definition: SDL_opengl.h:1980
int Cocoa_SetDisplayMode(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *mode)
NSImage * Cocoa_CreateImage(SDL_Surface *surface)
int(* CreateSDLWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:211
int(* SetWindowShape)(SDL_WindowShaper *shaper, SDL_Surface *shape, SDL_WindowShapeMode *shape_mode)
Definition: SDL_sysvideo.h:61
void * pixels
Definition: SDL_surface.h:75
int(* VideoInit)(_THIS)
Definition: SDL_sysvideo.h:161
#define SDL_FreeSurface
void Cocoa_QuitMouse(_THIS)
#define _THIS
uint8_t Uint8
Definition: SDL_stdinc.h:179
#define SDL_free
void Cocoa_PumpEvents(_THIS)
void(* Vulkan_UnloadLibrary)(_THIS)
Definition: SDL_sysvideo.h:272
int Cocoa_SetWindowGammaRamp(_THIS, SDL_Window *window, const Uint16 *ramp)
void Cocoa_DestroyWindow(_THIS, SDL_Window *window)
#define SDL_HINT_VIDEO_MAC_FULLSCREEN_SPACES
A variable that dictates policy for fullscreen Spaces on Mac OS X.
Definition: SDL_hints.h:793
void Cocoa_RaiseWindow(_THIS, SDL_Window *window)
SDL_bool Cocoa_GetWindowWMInfo(_THIS, SDL_Window *window, struct SDL_SysWMinfo *info)
void(* SetWindowResizable)(_THIS, SDL_Window *window, SDL_bool resizable)
Definition: SDL_sysvideo.h:230
int(* SetWindowGammaRamp)(_THIS, SDL_Window *window, const Uint16 *ramp)
Definition: SDL_sysvideo.h:232
BOOL screensaver_use_iopm
int Cocoa_GetDisplayDPI(_THIS, SDL_VideoDisplay *display, float *ddpi, float *hpdi, float *vdpi)
SDL_WindowShaper * Cocoa_CreateShaper(SDL_Window *window)
void(* SetWindowPosition)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:215
int Cocoa_SetWindowOpacity(_THIS, SDL_Window *window, float opacity)
GLint GLint GLsizei GLsizei GLsizei GLint GLenum GLenum const GLvoid * pixels
Definition: SDL_opengl.h:1572
double floor(double x)
Definition: s_floor.c:29
SDL_mutex * swaplock
void(* PumpEvents)(_THIS)
Definition: SDL_sysvideo.h:281
void Cocoa_SetWindowFullscreen(_THIS, SDL_Window *window, SDL_VideoDisplay *display, SDL_bool fullscreen)
void(* SetWindowMinimumSize)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:217
void(* SuspendScreenSaver)(_THIS)
Definition: SDL_sysvideo.h:284
SDL_WindowShaper *(* CreateShaper)(SDL_Window *window)
Definition: SDL_sysvideo.h:60
int(* GL_GetSwapInterval)(_THIS)
Definition: SDL_sysvideo.h:262
#define NULL
Definition: begin_code.h:164
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
void(* GL_DeleteContext)(_THIS, SDL_GLContext context)
Definition: SDL_sysvideo.h:264
void(* MaximizeWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:226
void(* DestroyWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:235
int Cocoa_CreateWindow(_THIS, SDL_Window *window)
int(* GL_SwapWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:263
int Cocoa_GetWindowGammaRamp(_THIS, SDL_Window *window, Uint16 *ramp)
static char text[MAX_TEXT_LENGTH]
Definition: testime.c:47
#define SDL_DestroyMutex
#define SDL_calloc
void(* SetTextInputRect)(_THIS, SDL_Rect *rect)
Definition: SDL_sysvideo.h:289
void(* SetWindowSize)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:216
int(* SetDisplayMode)(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *mode)
Definition: SDL_sysvideo.h:205
void Cocoa_SetWindowSize(_THIS, SDL_Window *window)
char *(* GetClipboardText)(_THIS)
Definition: SDL_sysvideo.h:299
SDL_GLContext(* GL_CreateContext)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:258
void Cocoa_InitKeyboard(_THIS)
SDL_bool(* Vulkan_GetInstanceExtensions)(_THIS, SDL_Window *window, unsigned *count, const char **names)
Definition: SDL_sysvideo.h:273
int Cocoa_ResizeWindowShape(SDL_Window *window)
void Cocoa_StopTextInput(_THIS)
VideoBootStrap COCOA_bootstrap
void(* Vulkan_GetDrawableSize)(_THIS, SDL_Window *window, int *w, int *h)
Definition: SDL_sysvideo.h:275
int(* GL_LoadLibrary)(_THIS, const char *path)
Definition: SDL_sysvideo.h:255
void(* VideoQuit)(_THIS)
Definition: SDL_sysvideo.h:167
void(* ShowWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:223
SDL_ShapeDriver shape_driver
Definition: SDL_sysvideo.h:245
SDL_bool(* HasClipboardText)(_THIS)
Definition: SDL_sysvideo.h:300
void Cocoa_HideWindow(_THIS, SDL_Window *window)
int Cocoa_GetDisplayBounds(_THIS, SDL_VideoDisplay *display, SDL_Rect *rect)
void(* SetWindowTitle)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:213
void Cocoa_SetWindowGrab(_THIS, SDL_Window *window, SDL_bool grabbed)
void(* SetWindowBordered)(_THIS, SDL_Window *window, SDL_bool bordered)
Definition: SDL_sysvideo.h:229
void(* StartTextInput)(_THIS)
Definition: SDL_sysvideo.h:287
void(* SetWindowFullscreen)(_THIS, SDL_Window *window, SDL_VideoDisplay *display, SDL_bool fullscreen)
Definition: SDL_sysvideo.h:231
void Cocoa_QuitModes(_THIS)
void Cocoa_InitModes(_THIS)
void *(* GL_GetProcAddress)(_THIS, const char *proc)
Definition: SDL_sysvideo.h:256
void Cocoa_MaximizeWindow(_THIS, SDL_Window *window)
int(* ResizeWindowShape)(SDL_Window *window)
Definition: SDL_sysvideo.h:62
void(* RestoreWindow)(_THIS, SDL_Window *window)
Definition: SDL_sysvideo.h:228
int(* SetWindowHitTest)(SDL_Window *window, SDL_bool enabled)
Definition: SDL_sysvideo.h:306
int(* SetWindowOpacity)(_THIS, SDL_Window *window, float opacity)
Definition: SDL_sysvideo.h:220
int Cocoa_SetWindowHitTest(SDL_Window *window, SDL_bool enabled)
void Cocoa_SetWindowMinimumSize(_THIS, SDL_Window *window)