src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MetalLayer.m
branchmetal-prototype-branch
changeset 57196 a95707a39ff5
child 57206 77a160ad0db7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MetalLayer.m	Wed Feb 20 17:00:40 2019 +0530
@@ -0,0 +1,344 @@
+/*
+ * Copyright (c) 2019, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#import "MetalGraphicsConfig.h"
+#import "MetalLayer.h"
+#import "shaders/MetalShaderTypes.h"
+#import "ThreadUtilities.h"
+#import "LWCToolkit.h"
+#import "MetalSurfaceData.h"
+#import "VertexDataManager.h"
+
+
+//extern NSOpenGLPixelFormat *sharedPixelFormat;
+//extern NSOpenGLContext *sharedContext;
+
+@implementation MetalLayer
+
+@synthesize javaLayer;
+@synthesize mtlTexture;
+//@synthesize target;
+@synthesize textureWidth;
+@synthesize textureHeight;
+@synthesize mtlLibrary;
+@synthesize mtlRenderPipelineDescriptor;
+@synthesize renderPipelineState;
+//@synthesize LineVertexBuffer;
+//@synthesize QuadVertexBuffer;
+#ifdef REMOTELAYER
+//@synthesize parentLayer;
+//@synthesize remoteLayer;
+//@synthesize jrsRemoteLayer;
+#endif
+
+- (id) initWithJavaLayer:(JNFWeakJObjectWrapper *)layer;
+{
+AWT_ASSERT_APPKIT_THREAD;
+    // Initialize ourselves
+    self = [super init];
+    if (self == nil) return self;
+
+    self.javaLayer = layer;
+
+    // NOTE: async=YES means that the layer is re-cached periodically
+    //self.displaySyncEnabled = NO;
+    self.contentsGravity = kCAGravityTopLeft;
+    //Layer backed view
+    //self.needsDisplayOnBoundsChange = YES;
+    //self.autoresizingMask = kCALayerWidthSizable | kCALayerHeightSizable;
+
+    //fprintf(stdout, "MetalLayer_initWithJavaLayer\n");fflush(stdout);
+    //Disable CALayer's default animation
+    NSMutableDictionary * actions = [[NSMutableDictionary alloc] initWithObjectsAndKeys:
+                                    [NSNull null], @"anchorPoint",
+                                    [NSNull null], @"bounds",
+                                    [NSNull null], @"contents",
+                                    [NSNull null], @"contentsScale",
+                                    [NSNull null], @"onOrderIn",
+                                    [NSNull null], @"onOrderOut",
+                                    [NSNull null], @"position",
+                                    [NSNull null], @"sublayers",
+                                    nil];
+    self.actions = actions;
+    [actions release];
+
+    //textureID = 0; // texture will be created by rendering pipe
+    mtlTexture = NULL;
+    //target = 0;
+
+    return self;
+}
+
+- (void) dealloc {
+    self.javaLayer = nil;
+    [super dealloc];
+
+    VertexDataManager_freeAllPrimitives();
+}
+
+/*
+- (CGLPixelFormatObj)copyCGLPixelFormatForDisplayMask:(uint32_t)mask {
+    return CGLRetainPixelFormat(sharedPixelFormat.CGLPixelFormatObj);
+}
+
+- (CGLContextObj)copyCGLContextForPixelFormat:(CGLPixelFormatObj)pixelFormat {
+    CGLContextObj contextObj = NULL;
+    CGLCreateContext(pixelFormat, sharedContext.CGLContextObj, &contextObj);
+    return contextObj;
+}*/
+
+// use texture (intermediate buffer) as src and blit it to the layer
+/*- (void) blitTexture
+{
+    if (textureID == 0) {
+        return;
+    }
+
+    glEnable(target);
+    glBindTexture(target, textureID);
+
+    glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); // srccopy
+
+    float swid = 1.0f, shgt = 1.0f;
+    if (target == GL_TEXTURE_RECTANGLE_ARB) {
+        swid = textureWidth;
+        shgt = textureHeight;
+    }
+    glBegin(GL_QUADS);
+    glTexCoord2f(0.0f, 0.0f); glVertex2f(-1.0f, -1.0f);
+    glTexCoord2f(swid, 0.0f); glVertex2f( 1.0f, -1.0f);
+    glTexCoord2f(swid, shgt); glVertex2f( 1.0f,  1.0f);
+    glTexCoord2f(0.0f, shgt); glVertex2f(-1.0f,  1.0f);
+    glEnd();
+
+    glBindTexture(target, 0);
+    glDisable(target);
+}*/
+
+/*-(BOOL)canDrawInCGLContext:(CGLContextObj)glContext pixelFormat:(CGLPixelFormatObj)pixelFormat forLayerTime:(CFTimeInterval)timeInterval displayTime:(const CVTimeStamp *)timeStamp{
+    return textureID == 0 ? NO : YES;
+}
+
+-(void)drawInCGLContext:(CGLContextObj)glContext pixelFormat:(CGLPixelFormatObj)pixelFormat forLayerTime:(CFTimeInterval)timeInterval displayTime:(const CVTimeStamp *)timeStamp
+{
+    AWT_ASSERT_APPKIT_THREAD;
+
+    JNIEnv *env = [ThreadUtilities getJNIEnv];
+    static JNF_CLASS_CACHE(jc_JavaLayer, "sun/java2d/opengl/CGLLayer");
+    static JNF_MEMBER_CACHE(jm_drawInCGLContext, jc_JavaLayer, "drawInCGLContext", "()V");
+
+    jobject javaLayerLocalRef = [self.javaLayer jObjectWithEnv:env];
+    if ((*env)->IsSameObject(env, javaLayerLocalRef, NULL)) {
+        return;
+    }
+
+    // Set the current context to the one given to us.
+    CGLSetCurrentContext(glContext);
+
+    // Should clear the whole CALayer, because it can be larger than our texture.
+    glClearColor(0.0, 0.0, 0.0, 0.0);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    glViewport(0, 0, textureWidth, textureHeight);
+
+    JNFCallVoidMethod(env, javaLayerLocalRef, jm_drawInCGLContext);
+    (*env)->DeleteLocalRef(env, javaLayerLocalRef);
+
+    // Call super to finalize the drawing. By default all it does is call glFlush().
+    [super drawInCGLContext:glContext pixelFormat:pixelFormat forLayerTime:timeInterval displayTime:timeStamp];
+
+    CGLSetCurrentContext(NULL);
+}*/
+
+@end
+
+
+
+static jlong cachedLayer = 0;
+static float drawColor[4] = {0.0, 0.0, 0.0, 0.0};
+/*
+ * Class:     sun_java2d_metal_MetalLayer
+ * Method:    nativeCreateLayer
+ * Signature: ()J
+ */
+JNIEXPORT jlong JNICALL
+Java_sun_java2d_metal_MetalLayer_nativeCreateLayer
+(JNIEnv *env, jobject obj)
+{
+    __block MetalLayer *layer = nil;
+
+    //fprintf(stdout, "MetalLayer_nativeCreateLayer\n");fflush(stdout);
+JNF_COCOA_ENTER(env);
+
+    JNFWeakJObjectWrapper *javaLayer = [JNFWeakJObjectWrapper wrapperWithJObject:obj withEnv:env];
+
+    [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
+            AWT_ASSERT_APPKIT_THREAD;
+        
+            layer = [[MetalLayer alloc] initWithJavaLayer: javaLayer];
+
+            //cachedLayer = ptr_to_jlong(layer);
+    }];
+    
+JNF_COCOA_EXIT(env);
+
+    return ptr_to_jlong(layer);
+}
+
+
+
+JNIEXPORT jlong JNICALL
+Java_sun_java2d_metal_MetalLayer_nativeInitLayer
+(JNIEnv *env, jobject obj, jlong configInfo, jlong layer)
+{
+
+JNF_COCOA_ENTER(env);
+    MetalGraphicsConfigInfo *pInfo =
+        (MetalGraphicsConfigInfo *)jlong_to_ptr(configInfo);
+    if ((pInfo == NULL)) {
+        return -1;
+    }
+
+    MetalLayer *mtlLayer = jlong_to_ptr(layer);
+
+    mtlLayer.device = pInfo->device;
+    mtlLayer.pixelFormat = MTLPixelFormatBGRA8Unorm;
+
+    //mtlLayer.commandQueue = pInfo->commandQueue;
+
+    // ------------------------------------------------------------------------------------------------
+    // TODO : Currently we manually compile and copy the shader library to /tmp.
+    //        Need to complete build changes - to build it and read from some other location within jdk
+    // ------------------------------------------------------------------------------------------------
+    // Load shader library
+    NSError *error = nil;
+    mtlLayer.mtlLibrary = [mtlLayer.device newLibraryWithFile: @"/tmp/MyShader.metallib" error:&error];
+    if (!mtlLayer.mtlLibrary) {
+        NSLog(@"Failed to load library. error %@", error);
+        //exit(0);
+    }
+
+    //create a vertex and fragment objects
+    id<MTLFunction> vertexProgram = [mtlLayer.mtlLibrary newFunctionWithName:@"vertexShader"];
+    id<MTLFunction> fragmentProgram = [mtlLayer.mtlLibrary newFunctionWithName:@"fragmentShader"];
+
+    
+    mtlLayer.mtlRenderPipelineDescriptor = [[MTLRenderPipelineDescriptor alloc] init];
+    
+    [mtlLayer.mtlRenderPipelineDescriptor setVertexFunction:vertexProgram];
+    [mtlLayer.mtlRenderPipelineDescriptor setFragmentFunction:fragmentProgram];
+    
+    //specify the target-texture pixel format
+    mtlLayer.mtlRenderPipelineDescriptor.colorAttachments[0].pixelFormat = MTLPixelFormatBGRA8Unorm;
+    
+    //create the Rendering Pipeline Object
+    mtlLayer.renderPipelineState = [mtlLayer.device newRenderPipelineStateWithDescriptor:mtlLayer.mtlRenderPipelineDescriptor error:nil];
+
+    VertexDataManager_init(mtlLayer.device);
+  
+
+JNF_COCOA_EXIT(env);
+
+    return ptr_to_jlong(layer);
+}
+
+
+
+// Must be called under the RQ lock.
+/*JNIEXPORT void JNICALL
+Java_sun_java2d_metal_MetalLayer_nativeValidate
+(JNIEnv *env, jclass cls, jlong layer, jlong view)
+{
+
+JNF_COCOA_ENTER(env);
+
+    MetalLayer *mtlLayer = jlong_to_ptr(layer);
+    NSView *nsView = jlong_to_ptr(view);
+
+    mtlLayer.frame = nsView.bounds;
+    [mtlLayer setDrawableSize: nsView.bounds.size];
+
+    mtlLayer.textureWidth = nsView.bounds.size.width;
+    mtlLayer.textureHeight = nsView.bounds.size.height;
+
+    NSLog(@"Validate : Width : %f", nsView.bounds.size.width);
+    NSLog(@"Validate : Height : %f", nsView.bounds.size.height);
+
+JNF_COCOA_EXIT(env);
+}*/
+
+// Must be called under the RQ lock.
+JNIEXPORT void JNICALL
+Java_sun_java2d_metal_MetalLayer_validate
+(JNIEnv *env, jclass cls, jlong layerPtr, jobject surfaceData)
+{
+    MetalLayer *layer = OBJC(layerPtr);
+    //fprintf(stdout, "MetalLayer_validate\n");fflush(stdout);
+    if (surfaceData != NULL) {
+        MetalSDOps *metalsdo = (MetalSDOps*) SurfaceData_GetOps(env, surfaceData);
+        // TODO : Check whether we have to use pointer or instance variable
+        //fprintf(stdout, "MetalLayer_validate replace mtlTexture\n");fflush(stdout);
+        layer.mtlTexture = metalsdo->mtlTexture;
+        //layer.target = GL_TEXTURE_2D;
+        layer.textureWidth = metalsdo->width;
+        layer.textureHeight = metalsdo->height;
+
+        NSLog(@"Validate : Width : %f", layer.textureWidth);
+        NSLog(@"Validate : height : %f", layer.textureHeight);
+
+    } else {
+        //fprintf(stdout, "MetalLayer_validate Null SD \n");fflush(stdout);
+        //layer.textureID = 0;
+    }
+}
+
+
+
+/*
+// Must be called on the AppKit thread and under the RQ lock.
+JNIEXPORT void JNICALL
+Java_sun_java2d_opengl_CGLLayer_blitTexture
+(JNIEnv *env, jclass cls, jlong layerPtr)
+{
+    CGLLayer *layer = jlong_to_ptr(layerPtr);
+
+    [layer blitTexture];
+}*/
+
+JNIEXPORT void JNICALL
+Java_sun_java2d_metal_MetalLayer_nativeSetScale
+(JNIEnv *env, jclass cls, jlong layerPtr, jdouble scale)
+{
+    JNF_COCOA_ENTER(env);
+    MetalLayer *layer = jlong_to_ptr(layerPtr);
+    // We always call all setXX methods asynchronously, exception is only in 
+    // this method where we need to change native texture size and layer's scale
+    // in one call on appkit, otherwise we'll get window's contents blinking, 
+    // during screen-2-screen moving.
+    [ThreadUtilities performOnMainThreadWaiting:[NSThread isMainThread] block:^(){
+        layer.contentsScale = scale;
+    }];
+    JNF_COCOA_EXIT(env);
+}