Initiate game mode support

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@37820 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/libs/mesa/glut/Jamfile

@@ -20,7 +20,7 @@ MergeObject <opengl>glut.o :
 	glutCursor.cpp
 	glutMenu.cpp
 	glutDstr.cpp
-	# glutGameMode.cpp
+	glutGameMode.cpp
 	beos_x11.cpp
 
 	# C sources

src/libs/mesa/glut/glutGameMode.cpp

@@ -0,0 +1,101 @@
+/*
+ * Copyright 2010, Haiku Inc.
+ * Authors:
+ *		Philippe Houdoin <phoudoin %at% haiku-os %dot% org>
+ *
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <GL/glut.h>
+#include "glutint.h"
+#include "glutState.h"
+#include "glutBlocker.h"
+#include <stdio.h>
+
+
+void APIENTRY
+glutGameModeString(const char *string)
+{
+	// TODO
+}
+
+
+int APIENTRY
+glutEnterGameMode(void)
+{
+	// TODO
+	return 0;
+}
+
+
+void APIENTRY
+glutLeaveGameMode(void)
+{
+	// TODO
+}
+
+
+int APIENTRY
+glutGameModeGet(GLenum pname)
+{
+	int ret = -1;
+
+	switch( pname ) {
+    	case GLUT_GAME_MODE_ACTIVE:
+    		ret = gState.gameMode != NULL;
+        	break;
+
+    	case GLUT_GAME_MODE_POSSIBLE:
+        	// TODO
+        	break;
+
+    	case GLUT_GAME_MODE_WIDTH:
+    		if (gState.gameMode)
+    			ret = gState.gameMode->width;
+        	break;
+
+    	case GLUT_GAME_MODE_HEIGHT:
+    		if (gState.gameMode)
+	    		ret = gState.gameMode->height;
+	        break;
+
+	    case GLUT_GAME_MODE_PIXEL_DEPTH:
+    		if (gState.gameMode)
+	    		ret = gState.gameMode->pixelDepth;
+	        break;
+
+	    case GLUT_GAME_MODE_REFRESH_RATE:
+    		if (gState.gameMode)
+	    		ret = gState.gameMode->refreshRate;
+    	    break;
+
+	    case GLUT_GAME_MODE_DISPLAY_CHANGED:
+			// TODO
+	        break;
+
+    	default:
+        	__glutWarning( "Unknown gamemode get: %d", pname );
+        	break;
+    }
+
+    return ret;
+}
+
+
+void APIENTRY
+glutForceJoystickFunc(void)
+{
+	/*
+	Forces a joystick poll and callback.
+
+	Forces the OpenGLUT joystick code to poll your
+	joystick(s) and to call your joystick callbacks
+	with the result.  The operation completes, including
+	callbacks, before glutForceJoystickFunc() returns.
+
+    See also glutJoystickFunc()
+	*/
+
+	// TODO
+}

src/libs/mesa/glut/glutGameMode.h

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2010, Haiku Inc.
+ * Authors:
+ *		Philippe Houdoin <phoudoin %at% haiku-os %dot% org>
+ *
+ * Distributed under the terms of the MIT License.
+ */
+
+#include <GL/glut.h>
+
+
+/*!	All information needed for game mode and
+	subwindows (handled as similarly as possible).
+*/
+class GlutGameMode {
+public:
+	int	width;
+	int	height;
+	int	pixelDepth;
+	int	refreshRate;
+};

src/libs/mesa/glut/glutState.h

@@ -17,8 +17,10 @@
  ***********************************************************/
 #include <GL/glut.h>
 #include <Application.h>
+
 #include "glutWindow.h"
 #include "glutMenu.h"
+#include "glutGameMode.h"
 
 /***********************************************************
  *	CLASS:	GlutState
@@ -45,7 +47,7 @@ struct GlutState {
 	int modifierKeys;				// only valid during keyboard callback
 	int keyRepeatMode;				// global repeat
 
-	bool	gameMode;			// game mode is active
+	GlutGameMode* gameMode;
 
 	bool debug;					// call glGetError
 	bool quitAll;				// quit
@@ -57,14 +59,15 @@ struct GlutState {
 		initWidth = initHeight = 300;
 		displayMode = GLUT_RGB | GLUT_SINGLE | GLUT_DEPTH;
 		displayString = 0;
-		currentWindow = 0;
-		currentMenu = 0;
-		windowList = 0;
+		currentWindow = NULL;
+		currentMenu = NULL;
+		windowList = NULL;
 		windowListSize = 0;
 		idle = 0;
 		menuStatus = 0;
 		modifierKeys = ~0;
 		keyRepeatMode = GLUT_KEY_REPEAT_DEFAULT;
+		gameMode = NULL;
 		debug = quitAll = false;
 	}
 };

src/libs/mesa/glut/glutWindow.cpp

@@ -103,16 +103,16 @@ GlutWindow::GlutWindow(GlutWindow *nparent, const char *name,
 	// clear callbacks
 	display = __glutDefaultDisplay;
 	reshape = __glutDefaultReshape;
-	mouse = 0;
-	motion = 0;
-	passive = 0;
-	entry = 0;
-	keyboard = 0;
-	keyboardUp = 0;
-	visibility = 0;
-	special = 0;
-	specialUp = 0;
-	windowStatus = 0;
+	mouse = NULL;
+	motion = NULL;
+	passive = NULL;
+	entry = NULL;
+	keyboard = NULL;
+	keyboardUp = NULL;
+	visibility = NULL;
+	special = NULL;
+	specialUp = NULL;
+	windowStatus = NULL;
 
 	// clear event counters
 	anyevents = 1;

src/libs/mesa/glut/glut_ext.c

@@ -125,7 +125,7 @@ static struct name_address_pair glut_functions[] = {
    { "glutWindowStatusFunc", (const GLUTproc) glutWindowStatusFunc },
    { "glutKeyboardUpFunc", (const GLUTproc) glutKeyboardUpFunc },
    { "glutSpecialUpFunc", (const GLUTproc) glutSpecialUpFunc },
-//   { "glutJoystickFunc", (const GLUTproc) glutJoystickFunc },
+   { "glutJoystickFunc", (const GLUTproc) glutJoystickFunc },
    { "glutSetColor", (const GLUTproc) glutSetColor },
    { "glutGetColor", (const GLUTproc) glutGetColor },
    { "glutCopyColormap", (const GLUTproc) glutCopyColormap },
@@ -167,11 +167,11 @@ static struct name_address_pair glut_functions[] = {
    { "glutReportErrors", (const GLUTproc) glutReportErrors },
    { "glutIgnoreKeyRepeat", (const GLUTproc) glutIgnoreKeyRepeat },
    { "glutSetKeyRepeat", (const GLUTproc) glutSetKeyRepeat },
-//   { "glutForceJoystickFunc", (const GLUTproc) glutForceJoystickFunc },
-//   { "glutGameModeString", (const GLUTproc) glutGameModeString },
-//   { "glutEnterGameMode", (const GLUTproc) glutEnterGameMode },
-//   { "glutLeaveGameMode", (const GLUTproc) glutLeaveGameMode },
-//   { "glutGameModeGet", (const GLUTproc) glutGameModeGet },
+   { "glutForceJoystickFunc", (const GLUTproc) glutForceJoystickFunc },
+   { "glutGameModeString", (const GLUTproc) glutGameModeString },
+   { "glutEnterGameMode", (const GLUTproc) glutEnterGameMode },
+   { "glutLeaveGameMode", (const GLUTproc) glutLeaveGameMode },
+   { "glutGameModeGet", (const GLUTproc) glutGameModeGet },
    { NULL, NULL }
 };