[Java-game-lib-cvs] LWJGL/src/native/win32 org_lwjgl_opengl_Pbuffer.cpp,1.17,1.18

Update of /cvsroot/java-game-lib/LWJGL/src/native/win32
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv9894/src/native/win32

Modified Files:
	org_lwjgl_opengl_Pbuffer.cpp 
Log Message:
Revert the Pbuffer "find singe buffered pixel format" behaviour in the Display context shared path.

Index: org_lwjgl_opengl_Pbuffer.cpp
===================================================================
RCS file: /cvsroot/java-game-lib/LWJGL/src/native/win32/org_lwjgl_opengl_Pbuffer.cpp,v
retrieving revision 1.17
retrieving revision 1.18
diff -u -d -r1.17 -r1.18
--- org_lwjgl_opengl_Pbuffer.cpp	26 Jul 2004 14:27:34 -0000	1.17
+++ org_lwjgl_opengl_Pbuffer.cpp	26 Jul 2004 19:13:02 -0000	1.18
@@ -139,54 +139,6 @@
 	return Pbuffer_context;
 }
 
-static bool formatMatches(HDC hdc, int pixel_format1, int pixel_format2, int attribute) {
-	int format_val1;
-	int format_val2;
-	if (wglGetPixelFormatAttribivARB(hdc, pixel_format1, 0, 1, &attribute, &format_val1) != TRUE)
-		return false;
-	if (wglGetPixelFormatAttribivARB(hdc, pixel_format2, 0, 1, &attribute, &format_val2) != TRUE)
-		return false;
-	return format_val1 == format_val2;
-}
-
-static int chooseSingleBufferedFormatFromFormat(HDC hdc, int orig_pixel_format) {
-	int max_pixel_format_index = DescribePixelFormat(hdc, 1, sizeof(PIXELFORMATDESCRIPTOR), NULL);
-	for (int i = 1; i <= max_pixel_format_index; i++) {
-		int attribute = WGL_DOUBLE_BUFFER_ARB;
-		int double_buffer;
-		if (wglGetPixelFormatAttribivARB(hdc, i, 0, 1, &attribute, &double_buffer) != TRUE) {
-			return -1;
-		}
-		attribute = WGL_DRAW_TO_PBUFFER_ARB;
-		int draw_to_pbuffer;
-		if (wglGetPixelFormatAttribivARB(hdc, i, 0, 1, &attribute, &draw_to_pbuffer) != TRUE) {
-			return -1;
-		}
-		if (double_buffer != FALSE || draw_to_pbuffer != TRUE)
-			continue;
-		if (formatMatches(hdc, i, orig_pixel_format, WGL_RED_BITS_ARB) &&
-			formatMatches(hdc, i, orig_pixel_format, WGL_GREEN_BITS_ARB) &&
-			formatMatches(hdc, i, orig_pixel_format, WGL_BLUE_BITS_ARB) &&
-			formatMatches(hdc, i, orig_pixel_format, WGL_ALPHA_BITS_ARB) &&
-			formatMatches(hdc, i, orig_pixel_format, WGL_ACCUM_RED_BITS_ARB) &&
-			formatMatches(hdc, i, orig_pixel_format, WGL_ACCUM_GREEN_BITS_ARB) &&
-			formatMatches(hdc, i, orig_pixel_format, WGL_ACCUM_BLUE_BITS_ARB) &&
-			formatMatches(hdc, i, orig_pixel_format, WGL_ACCUM_ALPHA_BITS_ARB) &&
-			formatMatches(hdc, i, orig_pixel_format, WGL_DEPTH_BITS_ARB) &&
-			formatMatches(hdc, i, orig_pixel_format, WGL_STENCIL_BITS_ARB) &&
-			formatMatches(hdc, i, orig_pixel_format, WGL_ACCELERATION_ARB) &&
-			formatMatches(hdc, i, orig_pixel_format, WGL_SUPPORT_OPENGL_ARB) &&
-			formatMatches(hdc, i, orig_pixel_format, WGL_STEREO_ARB) &&
-			formatMatches(hdc, i, orig_pixel_format, WGL_AUX_BUFFERS_ARB) &&
-			formatMatches(hdc, i, orig_pixel_format, WGL_PIXEL_TYPE_ARB) &&
-			(!extgl_Extensions.WGL_ARB_multisample || (formatMatches(hdc, i, orig_pixel_format, WGL_SAMPLE_BUFFERS_ARB) &&
-													   formatMatches(hdc, i, orig_pixel_format, WGL_SAMPLES_ARB)))) {
-			return i;
-		}
-	}
-	return -1;
-}
-
 JNIEXPORT void JNICALL Java_org_lwjgl_opengl_Pbuffer_nCreate
   (JNIEnv *env, jclass clazz, jobject buffer_handle, jboolean use_display_context,
   jint width, jint height, jobject pixel_format,
@@ -204,9 +156,7 @@
 		pBufferAttribs_ptr = NULL;
 	}
 	if (use_display_context) {
-		int iPixelFormat = chooseSingleBufferedFormatFromFormat(getCurrentWindowDC(), getCurrentPixelFormat());
-		if (iPixelFormat == -1)
-			iPixelFormat = getCurrentPixelFormat();
+		int iPixelFormat = getCurrentPixelFormat();
 		Pbuffer = wglCreatePbufferARB(getCurrentWindowDC(), iPixelFormat, width, height, pBufferAttribs_ptr);
 	} else {
 		Pbuffer = createPbuffer(env, width, height, pixel_format, pixelFormatCaps, pBufferAttribs_ptr);