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);
49 }
50 
51 static SDL_VideoDevice *
52 Cocoa_CreateDevice(int devindex)
53 {
56 
58 
59  /* Initialize all variables that we clean on shutdown */
61  if (device) {
62  data = (struct SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
63  } else {
64  data = NULL;
65  }
66  if (!data) {
69  return NULL;
70  }
71  device->driverdata = data;
72 
73  /* Set the function pointers */
74  device->VideoInit = Cocoa_VideoInit;
75  device->VideoQuit = Cocoa_VideoQuit;
76  device->GetDisplayBounds = Cocoa_GetDisplayBounds;
77  device->GetDisplayUsableBounds = Cocoa_GetDisplayUsableBounds;
78  device->GetDisplayDPI = Cocoa_GetDisplayDPI;
79  device->GetDisplayModes = Cocoa_GetDisplayModes;
80  device->SetDisplayMode = Cocoa_SetDisplayMode;
81  device->PumpEvents = Cocoa_PumpEvents;
82  device->SuspendScreenSaver = Cocoa_SuspendScreenSaver;
83 
84  device->CreateSDLWindow = Cocoa_CreateWindow;
85  device->CreateSDLWindowFrom = Cocoa_CreateWindowFrom;
86  device->SetWindowTitle = Cocoa_SetWindowTitle;
87  device->SetWindowIcon = Cocoa_SetWindowIcon;
88  device->SetWindowPosition = Cocoa_SetWindowPosition;
89  device->SetWindowSize = Cocoa_SetWindowSize;
90  device->SetWindowMinimumSize = Cocoa_SetWindowMinimumSize;
91  device->SetWindowMaximumSize = Cocoa_SetWindowMaximumSize;
92  device->SetWindowOpacity = Cocoa_SetWindowOpacity;
93  device->ShowWindow = Cocoa_ShowWindow;
94  device->HideWindow = Cocoa_HideWindow;
95  device->RaiseWindow = Cocoa_RaiseWindow;
96  device->MaximizeWindow = Cocoa_MaximizeWindow;
97  device->MinimizeWindow = Cocoa_MinimizeWindow;
98  device->RestoreWindow = Cocoa_RestoreWindow;
99  device->SetWindowBordered = Cocoa_SetWindowBordered;
100  device->SetWindowResizable = Cocoa_SetWindowResizable;
101  device->SetWindowFullscreen = Cocoa_SetWindowFullscreen;
102  device->SetWindowGammaRamp = Cocoa_SetWindowGammaRamp;
103  device->GetWindowGammaRamp = Cocoa_GetWindowGammaRamp;
104  device->SetWindowGrab = Cocoa_SetWindowGrab;
105  device->DestroyWindow = Cocoa_DestroyWindow;
106  device->GetWindowWMInfo = Cocoa_GetWindowWMInfo;
107  device->SetWindowHitTest = Cocoa_SetWindowHitTest;
108  device->AcceptDragAndDrop = Cocoa_AcceptDragAndDrop;
109 
110  device->shape_driver.CreateShaper = Cocoa_CreateShaper;
111  device->shape_driver.SetWindowShape = Cocoa_SetWindowShape;
112  device->shape_driver.ResizeWindowShape = Cocoa_ResizeWindowShape;
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 
145  device->StartTextInput = Cocoa_StartTextInput;
146  device->StopTextInput = Cocoa_StopTextInput;
147  device->SetTextInputRect = Cocoa_SetTextInputRect;
148 
149  device->SetClipboardText = Cocoa_SetClipboardText;
150  device->GetClipboardText = Cocoa_GetClipboardText;
151  device->HasClipboardText = Cocoa_HasClipboardText;
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 
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: */
SDL.h
Cocoa_InitMouse
void Cocoa_InitMouse(_THIS)
Uint8
uint8_t Uint8
Definition: SDL_stdinc.h:179
Cocoa_CreateShaper
SDL_WindowShaper * Cocoa_CreateShaper(SDL_Window *window)
Cocoa_StartTextInput
void Cocoa_StartTextInput(_THIS)
Cocoa_SuspendScreenSaver
void Cocoa_SuspendScreenSaver(_THIS)
SDL_VideoDevice::driverdata
void * driverdata
Definition: SDL_sysvideo.h:381
Uint16
uint16_t Uint16
Definition: SDL_stdinc.h:191
SDL_Surface
A collection of pixels used in software blitting.
Definition: SDL_surface.h:70
SDL_ConvertSurfaceFormat
#define SDL_ConvertSurfaceFormat
Definition: SDL_dynapi_overrides.h:464
Cocoa_SetWindowTitle
void Cocoa_SetWindowTitle(_THIS, SDL_Window *window)
NULL
#define NULL
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surface
EGLSurface surface
Definition: eglext.h:248
SDL_Surface::pixels
void * pixels
Definition: SDL_surface.h:75
Cocoa_SetClipboardText
int Cocoa_SetClipboardText(_THIS, const char *text)
Cocoa_SetWindowIcon
void Cocoa_SetWindowIcon(_THIS, SDL_Window *window, SDL_Surface *icon)
Cocoa_MaximizeWindow
void Cocoa_MaximizeWindow(_THIS, SDL_Window *window)
Cocoa_GetDisplayDPI
int Cocoa_GetDisplayDPI(_THIS, SDL_VideoDisplay *display, float *ddpi, float *hpdi, float *vdpi)
Cocoa_SetWindowPosition
void Cocoa_SetWindowPosition(_THIS, SDL_Window *window)
Cocoa_CreateImage
NSImage * Cocoa_CreateImage(SDL_Surface *surface)
SDL_CreateMutex
#define SDL_CreateMutex
Definition: SDL_dynapi_overrides.h:259
Cocoa_StopTextInput
void Cocoa_StopTextInput(_THIS)
COCOA_bootstrap
VideoBootStrap COCOA_bootstrap
Cocoa_CreateWindow
int Cocoa_CreateWindow(_THIS, SDL_Window *window)
SDL_endian.h
Cocoa_RestoreWindow
void Cocoa_RestoreWindow(_THIS, SDL_Window *window)
Cocoa_SetWindowGammaRamp
int Cocoa_SetWindowGammaRamp(_THIS, SDL_Window *window, const Uint16 *ramp)
SDL_cocoavideo.h
Cocoa_GetDisplayBounds
int Cocoa_GetDisplayBounds(_THIS, SDL_VideoDisplay *display, SDL_Rect *rect)
Cocoa_GetClipboardText
char * Cocoa_GetClipboardText(_THIS)
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
Cocoa_QuitMouse
void Cocoa_QuitMouse(_THIS)
Cocoa_MinimizeWindow
void Cocoa_MinimizeWindow(_THIS, SDL_Window *window)
SDL_cocoavulkan.h
Cocoa_AcceptDragAndDrop
void Cocoa_AcceptDragAndDrop(SDL_Window *window, SDL_bool accept)
Cocoa_SetWindowMaximumSize
void Cocoa_SetWindowMaximumSize(_THIS, SDL_Window *window)
alpha
GLfloat GLfloat GLfloat alpha
Definition: SDL_opengl_glext.h:412
SDL_Surface::pitch
int pitch
Definition: SDL_surface.h:74
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void Cocoa_InitKeyboard(_THIS)
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#define SDL_memcpy
Definition: SDL_dynapi_overrides.h:387
SDL_GetHintBoolean
#define SDL_GetHintBoolean
Definition: SDL_dynapi_overrides.h:608
_this
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Definition: SDL_video.c:121
Cocoa_GetDisplayUsableBounds
int Cocoa_GetDisplayUsableBounds(_THIS, SDL_VideoDisplay *display, SDL_Rect *rect)
Cocoa_SetDisplayMode
int Cocoa_SetDisplayMode(_THIS, SDL_VideoDisplay *display, SDL_DisplayMode *mode)
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#define SDL_free
Definition: SDL_dynapi_overrides.h:377
Cocoa_SetWindowSize
void Cocoa_SetWindowSize(_THIS, SDL_Window *window)
Cocoa_RaiseWindow
void Cocoa_RaiseWindow(_THIS, SDL_Window *window)
Cocoa_ResizeWindowShape
int Cocoa_ResizeWindowShape(SDL_Window *window)
Cocoa_CreateWindowFrom
int Cocoa_CreateWindowFrom(_THIS, SDL_Window *window, const void *data)
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#define SDL_FreeSurface
Definition: SDL_dynapi_overrides.h:446
Cocoa_GetDisplayModes
void Cocoa_GetDisplayModes(_THIS, SDL_VideoDisplay *display)
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#define SDL_HINT_VIDEO_MAC_FULLSCREEN_SPACES
A variable that dictates policy for fullscreen Spaces on Mac OS X.
Definition: SDL_hints.h:793
SDL_assert.h
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@ SDL_PIXELFORMAT_RGBA32
Definition: SDL_pixels.h:271
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void Cocoa_SetWindowFullscreen(_THIS, SDL_Window *window, SDL_VideoDisplay *display, SDL_bool fullscreen)
Cocoa_HideWindow
void Cocoa_HideWindow(_THIS, SDL_Window *window)
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_THIS
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text
static char text[MAX_TEXT_LENGTH]
Definition: testime.c:47
Cocoa_QuitKeyboard
void Cocoa_QuitKeyboard(_THIS)
Cocoa_DestroyWindow
void Cocoa_DestroyWindow(_THIS, SDL_Window *window)
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@ SDL_TRUE
Definition: SDL_stdinc.h:164
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GLint GLint GLsizei GLsizei GLsizei GLint GLenum GLenum const GLvoid * pixels
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Definition: SDL_sysvideo.h:149
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#define SDL_OutOfMemory()
Definition: SDL_error.h:52
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void Cocoa_SetWindowBordered(_THIS, SDL_Window *window, SDL_bool bordered)
Cocoa_SetWindowGrab
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Definition: SDL_surface.h:73
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#define SDL_calloc
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Cocoa_SetWindowMinimumSize
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Cocoa_SetWindowShape
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Cocoa_SetTextInputRect
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Cocoa_GetWindowGammaRamp
int Cocoa_GetWindowGammaRamp(_THIS, SDL_Window *window, Uint16 *ramp)
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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)
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