added vid_stereobuffer cvar based on patch from syschuck on the alientrap forums
[xonotic/darkplaces.git] / vid_agl.c
index 83053a3..de1775c 100644 (file)
--- a/vid_agl.c
+++ b/vid_agl.c
@@ -38,6 +38,8 @@ AGLPixelFormat (*qaglChoosePixelFormat) (const AGLDevice *gdevs, GLint ndev, con
 AGLContext (*qaglCreateContext) (AGLPixelFormat pix, AGLContext share);
 GLboolean (*qaglDestroyContext) (AGLContext ctx);
 void (*qaglDestroyPixelFormat) (AGLPixelFormat pix);
+const GLubyte* (*qaglErrorString) (GLenum code);
+GLenum (*qaglGetError) (void);
 GLboolean (*qaglSetCurrentContext) (AGLContext ctx);
 GLboolean (*qaglSetDrawable) (AGLContext ctx, AGLDrawable draw);
 GLboolean (*qaglSetFullScreen) (AGLContext ctx, GLsizei width, GLsizei height, GLsizei freq, GLint device);
@@ -51,6 +53,8 @@ static float mouse_x, mouse_y;
 static qboolean vid_isfullscreen = false;
 static qboolean vid_usingvsync = false;
 
+static qboolean sound_active = true;
+
 static int scr_width, scr_height;
 
 static AGLContext context;
@@ -109,7 +113,7 @@ void VID_Finish (qboolean allowmousegrab)
 
        // handle the mouse state when windowed if that's changed
        vid_usemouse = false;
-       if (allowmousegrab && vid_mouse.integer && !key_consoleactive && !cls.demoplayback)
+       if (allowmousegrab && vid_mouse.integer && !key_consoleactive && (key_dest != key_game || !cls.demoplayback))
                vid_usemouse = true;
        if (!vid_activewindow)
                vid_usemouse = false;
@@ -134,8 +138,11 @@ void VID_Finish (qboolean allowmousegrab)
 
        if (r_render.integer)
        {
+               CHECKGLERROR
                if (r_speeds.integer || gl_finish.integer)
-                       qglFinish();
+               {
+                       qglFinish();CHECKGLERROR
+               }
                qaglSwapBuffers(context);
        }
        VID_UpdateGamma(false, GAMMA_TABLE_SIZE);
@@ -171,7 +178,7 @@ int VID_GetGamma(unsigned short *ramps, int rampsize)
        CGGammaValue table_green [GAMMA_TABLE_SIZE];
        CGGammaValue table_blue [GAMMA_TABLE_SIZE];
        CGTableCount actualsize = 0;
-       unsigned int i;
+       int i;
 
        // Get the gamma ramps from the system
        if (CGGetDisplayTransferByTable(CGMainDisplayID(), rampsize, table_red, table_green, table_blue, &actualsize) != CGDisplayNoErr)
@@ -179,7 +186,7 @@ int VID_GetGamma(unsigned short *ramps, int rampsize)
                Con_Print("VID_GetGamma: ERROR: CGGetDisplayTransferByTable failed!\n");
                return false;
        }
-       if (actualsize != rampsize)
+       if (actualsize != (unsigned int)rampsize)
        {
                Con_Printf("VID_GetGamma: ERROR: invalid gamma table size (%u != %u)\n", actualsize, rampsize);
                return false;
@@ -250,7 +257,7 @@ static int GL_OpenLibrary(void)
                Con_Printf("Unable to open symbol list for %s\n", name);
                return false;
        }
-       strcpy(gl_driver, name);
+       strlcpy(gl_driver, name, sizeof(gl_driver));
        return true;
 }
 
@@ -261,7 +268,7 @@ void *GL_GetProcAddress(const char *name)
 
 void VID_Shutdown(void)
 {
-       if (context == NULL || window == NULL)
+       if (context == NULL && window == NULL)
                return;
 
        IN_Activate(false);
@@ -273,6 +280,9 @@ void VID_Shutdown(void)
                context = NULL;
        }
 
+       if (vid_isfullscreen)
+               CGReleaseAllDisplays();
+
        if (window != NULL)
        {
                DisposeWindow(window);
@@ -317,24 +327,40 @@ static OSStatus MainWindowEventHandler (EventHandlerCallRef nextHandler, EventRe
        return err;
 }
 
+static void VID_AppFocusChanged(qboolean windowIsActive)
+{
+       if (vid_activewindow != windowIsActive)
+       {
+               vid_activewindow = windowIsActive;
+               if (!vid_activewindow)
+                       VID_RestoreSystemGamma();
+       }
+
+       if (sound_active != windowIsActive)
+       {
+               sound_active = windowIsActive;
+               if (sound_active)
+                       S_UnblockSound ();
+               else
+                       S_BlockSound ();
+       }
+}
+
 static void VID_ProcessPendingAsyncEvents (void)
 {
        // Collapsed / expanded
        if (AsyncEvent_Collapsed != vid_hidden)
        {
                vid_hidden = !vid_hidden;
-               vid_activewindow = false;
-               VID_RestoreSystemGamma();
+               VID_AppFocusChanged(!vid_hidden);
        }
 
        // Closed
        if (AsyncEvent_Quitting)
-       {
                Sys_Quit();
-       }
 }
 
-static void VID_BuildAGLAttrib(GLint *attrib, GLint stencil, qboolean fullscreen)
+static void VID_BuildAGLAttrib(GLint *attrib, qboolean stencil, qboolean fullscreen, qboolean stereobuffer)
 {
        *attrib++ = AGL_RGBA;
        *attrib++ = AGL_RED_SIZE;*attrib++ = 1;
@@ -351,10 +377,12 @@ static void VID_BuildAGLAttrib(GLint *attrib, GLint stencil, qboolean fullscreen
        }
        if (fullscreen)
                *attrib++ = AGL_FULLSCREEN;
+       if (stereobuffer)
+               *attrib++ = AGL_STEREO;
        *attrib++ = AGL_NONE;
 }
 
-int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate)
+int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate, int stereobuffer)
 {
     const EventTypeSpec winEvents[] =
        {
@@ -364,14 +392,11 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate
        };
        OSStatus carbonError;
        Rect windowBounds;
+       CFStringRef windowTitle;
        AGLPixelFormat pixelFormat;
        GLint attributes [32];
        GLenum error;
 
-       // FullScreen Display stuff
-       GDHandle gdhDisplay; // = GetMainDevice(); /*deprecated*/
-       CGDirectDisplayID mainDisplay = CGMainDisplayID();
-
        if (!GL_OpenLibrary())
        {
                Con_Printf("Unable to load GL driver\n");
@@ -382,6 +407,8 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate
         || (qaglCreateContext = (AGLContext (*) (AGLPixelFormat pix, AGLContext share))GL_GetProcAddress("aglCreateContext")) == NULL
         || (qaglDestroyContext = (GLboolean (*) (AGLContext ctx))GL_GetProcAddress("aglDestroyContext")) == NULL
         || (qaglDestroyPixelFormat = (void (*) (AGLPixelFormat pix))GL_GetProcAddress("aglDestroyPixelFormat")) == NULL
+        || (qaglErrorString = (const GLubyte* (*) (GLenum code))GL_GetProcAddress("aglErrorString")) == NULL
+        || (qaglGetError = (GLenum (*) (void))GL_GetProcAddress("aglGetError")) == NULL
         || (qaglSetCurrentContext = (GLboolean (*) (AGLContext ctx))GL_GetProcAddress("aglSetCurrentContext")) == NULL
         || (qaglSetDrawable = (GLboolean (*) (AGLContext ctx, AGLDrawable draw))GL_GetProcAddress("aglSetDrawable")) == NULL
         || (qaglSetFullScreen = (GLboolean (*) (AGLContext ctx, GLsizei width, GLsizei height, GLsizei freq, GLint device))GL_GetProcAddress("aglSetFullScreen")) == NULL
@@ -411,9 +438,8 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate
        }
 
        // Set the window title
-       CFStringRef windowTitle = CFSTR("DarkPlaces AGL");
+       windowTitle = CFSTR("DarkPlaces AGL");
        SetWindowTitleWithCFString(window, windowTitle);
-       CFRelease(windowTitle);
 
        // Install the callback function for the window events we can't get
        // through ReceiveNextEvent (i.e. close, collapse, and expand)
@@ -421,41 +447,45 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate
                                                           GetEventTypeCount(winEvents), winEvents, window, NULL);
 
        // Create the desired attribute list
-       VID_BuildAGLAttrib(attributes, bpp == 32, fullscreen);
+       VID_BuildAGLAttrib(attributes, bpp == 32, fullscreen, stereobuffer);
 
        if (!fullscreen)
        {
-               //  Output to Window
-               //  Set pixel format with built attribs
-               //  Note: use NULL then must use 0
+               // Output to Window
                pixelFormat = qaglChoosePixelFormat(NULL, 0, attributes);
-               error = aglGetError();
+               error = qaglGetError();
                if (error != AGL_NO_ERROR)
                {
                        Con_Printf("qaglChoosePixelFormat FAILED: %s\n",
-                                       (char *)aglErrorString(error));
+                                       (char *)qaglErrorString(error));
                        ReleaseWindow(window);
                        return false;
                }
        }
-
-       if (fullscreen)
+       else  // Output is fullScreen
        {
-               //  Output is FullScreen
-               //  Get the mainDisplay and set resolution to current
-               CGDisplayCapture (mainDisplay);
-               CFDictionaryRef refDisplayMode = CGDisplayBestModeForParameters (mainDisplay, bpp, width, height, NULL);
-               CGDisplaySwitchToMode (mainDisplay, refDisplayMode);
-               DMGetGDeviceByDisplayID ((DisplayIDType)mainDisplay, &gdhDisplay, false);
-
-               //  Set pixel format with built attribs
-               //  Note: specifying a device is *required* for AGL_FullScreen
+               CGDirectDisplayID mainDisplay;
+               CFDictionaryRef refDisplayMode;
+               GDHandle gdhDisplay;
+
+               // Get the mainDisplay and set resolution to current
+               mainDisplay = CGMainDisplayID();
+               CGDisplayCapture(mainDisplay);
+
+               // TOCHECK: not sure whether or not it's necessary to change the resolution
+               // "by hand", or if aglSetFullscreen does the job anyway
+               refDisplayMode = CGDisplayBestModeForParametersAndRefreshRate(mainDisplay, bpp, width, height, refreshrate, NULL);
+               CGDisplaySwitchToMode(mainDisplay, refDisplayMode);
+               DMGetGDeviceByDisplayID((DisplayIDType)mainDisplay, &gdhDisplay, false);
+
+               // Set pixel format with built attribs
+               // Note: specifying a device is *required* for AGL_FullScreen
                pixelFormat = qaglChoosePixelFormat(&gdhDisplay, 1, attributes);
-               error = aglGetError();
+               error = qaglGetError();
                if (error != AGL_NO_ERROR)
                {
                        Con_Printf("qaglChoosePixelFormat FAILED: %s\n",
-                                               (char *)aglErrorString(error));
+                                               (char *)qaglErrorString(error));
                        ReleaseWindow(window);
                        return false;
                }
@@ -463,23 +493,23 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate
 
        // Create a context using the pform
        context = qaglCreateContext(pixelFormat, NULL);
-       error = aglGetError();
+       error = qaglGetError();
        if (error != AGL_NO_ERROR)
        {
                Con_Printf("qaglCreateContext FAILED: %s\n",
-                                       (char *)aglErrorString(error));
+                                       (char *)qaglErrorString(error));
        }
 
        // Make the context the current one ('enable' it)
-       qaglSetCurrentContext(context);   
-       error = aglGetError();
-               if (error != AGL_NO_ERROR)
-               {
-                       Con_Printf("qaglSetCurrentContext FAILED: %s\n",
-                                               (char *)aglErrorString(error));
-                       ReleaseWindow(window);
-                       return false;
-               }
+       qaglSetCurrentContext(context);
+       error = qaglGetError();
+       if (error != AGL_NO_ERROR)
+       {
+               Con_Printf("qaglSetCurrentContext FAILED: %s\n",
+                                       (char *)qaglErrorString(error));
+               ReleaseWindow(window);
+               return false;
+       }
 
        // Discard pform
        qaglDestroyPixelFormat(pixelFormat);
@@ -488,36 +518,26 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate
        if (fullscreen)
        {
                qaglSetFullScreen (context, width, height, refreshrate, 0);
-               error = aglGetError();
+               error = qaglGetError();
                if (error != AGL_NO_ERROR)
                {
                        Con_Printf("qaglSetFullScreen FAILED: %s\n",
-                                               (char *)aglErrorString(error));
+                                               (char *)qaglErrorString(error));
                        return false;
-                       // FullScreen Failed
-                       vid_isfullscreen = false;
-               }
-               else
-               {
-                       // FullScreen Success
-                       vid_isfullscreen = true;
                }
        }
-       
-       if (!fullscreen)
+       else
        {
-       // Note: this _is_ a Window != FullScreen
-       // Set Window as Drawable
-       qaglSetDrawable(context, GetWindowPort(window));
-       error = aglGetError();
+               // Set Window as Drawable
+               qaglSetDrawable(context, GetWindowPort(window));
+               error = qaglGetError();
                if (error != AGL_NO_ERROR)
                {
                        Con_Printf("qaglSetDrawable FAILED: %s\n",
-                                               (char *)aglErrorString(error));
+                                               (char *)qaglErrorString(error));
                        ReleaseWindow(window);
                        return false;
                }
-
        }
 
        scr_width = width;
@@ -533,9 +553,11 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate
        gl_platform = "AGL";
        gl_videosyncavailable = true;
 
+       vid_isfullscreen = fullscreen;
        vid_usingmouse = false;
        vid_hidden = false;
        vid_activewindow = true;
+       sound_active = true;
        GL_Init();
 
        SelectWindow(window);
@@ -546,36 +568,30 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate
 
 static void Handle_KeyMod(UInt32 keymod)
 {
+       const struct keymod_to_event_s { UInt32 keybit; keynum_t event; } keymod_events [] =
+       {
+               { cmdKey,                                               K_AUX1 },
+               { shiftKey,                                             K_SHIFT },
+               { alphaLock,                                    K_CAPSLOCK },
+               { optionKey,                                    K_ALT },
+               { controlKey,                                   K_CTRL },
+               { kEventKeyModifierNumLockMask, K_NUMLOCK },
+               { kEventKeyModifierFnMask,              K_AUX2 }
+       };
        static UInt32 prev_keymod = 0;
-       UInt32 modChanges = prev_keymod ^ keymod;
+       unsigned int i;
+       UInt32 modChanges;
 
-       if ((modChanges & cmdKey) != 0)
-       {
-               Key_Event(K_AUX1, '\0', (keymod & cmdKey) != 0);
-       }
-       if ((modChanges & shiftKey) != 0 || (modChanges & rightShiftKey) != 0)
-       {
-               Key_Event(K_SHIFT, '\0', (keymod & shiftKey) != 0);
-       }
-       if ((modChanges & alphaLock) != 0)
-       {
-               Key_Event(K_CAPSLOCK, '\0', (keymod & alphaLock) != 0);
-       }
-       if ((modChanges & optionKey) != 0 || (modChanges & rightOptionKey) != 0)
-       {
-               Key_Event(K_ALT, '\0', (keymod & optionKey) != 0);
-       }
-       if ((modChanges & controlKey) != 0 || (modChanges & rightControlKey) != 0)
-       {
-               Key_Event(K_CTRL, '\0', (keymod & controlKey) != 0);
-       }
-       if ((modChanges & kEventKeyModifierNumLockMask) != 0)
-       {
-               Key_Event(K_NUMLOCK, '\0', (keymod & kEventKeyModifierNumLockMask) != 0);
-       }
-       if ((modChanges & kEventKeyModifierFnMask) != 0)
+       modChanges = prev_keymod ^ keymod;
+       if (modChanges == 0)
+               return;
+
+       for (i = 0; i < sizeof(keymod_events) / sizeof(keymod_events[0]); i++)
        {
-               Key_Event(K_AUX2, '\0', (keymod & kEventKeyModifierFnMask) != 0);
+               UInt32 keybit = keymod_events[i].keybit;
+
+               if ((modChanges & keybit) != 0)
+                       Key_Event(keymod_events[i].event, '\0', (keymod & keybit) != 0);
        }
 
        prev_keymod = keymod;
@@ -779,11 +795,10 @@ void Sys_SendKeyEvents(void)
                                switch (eventKind)
                                {
                                        case kEventAppActivated :
-                                               vid_activewindow = true;
+                                               VID_AppFocusChanged(true);
                                                break;
                                        case kEventAppDeactivated:
-                                               vid_activewindow = false;
-                                               VID_RestoreSystemGamma();
+                                               VID_AppFocusChanged(false);
                                                break;
                                        case kEventAppQuit:
                                                Sys_Quit();