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src/java.desktop/macosx/native/libawt_lwawt/awt/AWTView.m
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rev 54883 : JDK-8220154 Improve java2d rendering performance on macOS by using Metal framework
*** 35,44 ****
--- 35,46 ----
#import "ThreadUtilities.h"
#import <Carbon/Carbon.h>
#import <JavaNativeFoundation/JavaNativeFoundation.h>
+ jboolean metalEnabled = JNI_FALSE;
+
@interface AWTView()
@property (retain) CDropTarget *_dropTarget;
@property (retain) CDragSource *_dragSource;
-(void) deliverResize: (NSRect) rect;
*** 50,59 ****
--- 52,63 ----
// Uncomment this line to see fprintfs of each InputMethod API being called on this View
//#define IM_DEBUG TRUE
//#define EXTRA_DEBUG
+ #define METAL_DEBUG
+
static BOOL shouldUsePressAndHold() {
static int shouldUsePressAndHold = -1;
if (shouldUsePressAndHold != -1) return shouldUsePressAndHold;
shouldUsePressAndHold = !isSnowLeopardOrLower();
return shouldUsePressAndHold;
*** 1475,1479 ****
--- 1479,1499 ----
JNF_COCOA_EXIT(env);
return underMouse;
}
+
+ jboolean GetStaticBoolean(JNIEnv *env, jclass fClass, const char *fieldName)
+ {
+ jfieldID fieldID = (*env)->GetStaticFieldID(env, fClass, fieldName, "Z");
+ return (*env)->GetStaticBooleanField(env, fClass, fieldID);
+ }
+
+ JNIEXPORT void JNICALL
+ Java_sun_java2d_macos_MacOSFlags_initNativeFlags(JNIEnv *env,
+ jclass flagsClass)
+ {
+ metalEnabled = GetStaticBoolean(env, flagsClass, "metalEnabled");
+ #ifdef METAL_DEBUG
+ fprintf(stderr, "metalEnabled=%d\n", metalEnabled);
+ #endif
+ }
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