[Java-game-lib-cvs] SF.net SVN: java-game-lib: [2704] trunk/LWJGL/src/native/windows/ org_lwjgl_opengl_WindowsContextImplementation.c

[<eli...@us...>]

Revision: 2704
          http://svn.sourceforge.net/java-game-lib/?rev=2704&view=rev
Author:   elias_naur
Date:     2006-12-22 02:36:04 -0800 (Fri, 22 Dec 2006)

Log Message:
-----------
Windows: Simplify context creation and don't cache the extensions information struct in native code. Just reload it at each use (only at setSwapInterval currently).

Modified Paths:
--------------
    trunk/LWJGL/src/native/windows/org_lwjgl_opengl_WindowsContextImplementation.c

Modified: trunk/LWJGL/src/native/windows/org_lwjgl_opengl_WindowsContextImplementation.c
===================================================================
--- trunk/LWJGL/src/native/windows/org_lwjgl_opengl_WindowsContextImplementation.c	2006-12-21 08:11:29 UTC (rev 2703)
+++ trunk/LWJGL/src/native/windows/org_lwjgl_opengl_WindowsContextImplementation.c	2006-12-22 10:36:04 UTC (rev 2704)
@@ -43,7 +43,6 @@
 #include "common_tools.h"
 
 typedef struct {
-	WGLExtensions extensions;
 	HGLRC context;
 } WindowsContext;
 
@@ -56,7 +55,6 @@
 	HGLRC shared_context = NULL;
 	HDC saved_hdc;
 	HGLRC saved_context;
-	WGLExtensions extensions;
 	jobject context_handle = newJavaManagedByteBuffer(env, sizeof(WindowsContext));
 	if (context_handle == NULL) {
 		throwException(env, "Could not create handle buffer");
@@ -77,20 +75,8 @@
 			return NULL;
 		}
 	}
-	saved_hdc = wglGetCurrentDC();
-	saved_context = wglGetCurrentContext();
-	if (!wglMakeCurrent(peer_info->drawable_hdc, context)) {
-		wglMakeCurrent(saved_hdc, saved_context);
-		wglDeleteContext(context);
-		throwException(env, "Could not make context current");
-		return NULL;
-	}
-	extgl_InitWGL(&extensions);
-	if (!wglMakeCurrent(saved_hdc, saved_context))
-		printfDebugJava(env, "Failed to restore current context");
 	context_info = (WindowsContext *)(*env)->GetDirectBufferAddress(env, context_handle);
 	context_info->context = context;
-	context_info->extensions = extensions;
 	return context_handle;
 }
 
@@ -121,9 +107,10 @@
 
 JNIEXPORT void JNICALL Java_org_lwjgl_opengl_WindowsContextImplementation_nSetSwapInterval
   (JNIEnv *env, jclass clazz, jobject context_handle, jint value) {
-	WindowsContext *context_info = (WindowsContext *)(*env)->GetDirectBufferAddress(env, context_handle);
-	if (context_info->extensions.WGL_EXT_swap_control) {
-		context_info->extensions.wglSwapIntervalEXT(value);
+	WGLExtensions extensions;
+	extgl_InitWGL(&extensions);
+	if (extensions.WGL_EXT_swap_control) {
+		extensions.wglSwapIntervalEXT(value);
 	}
 }
 


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