/*
* 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/BaseShader.metallib" error:&error];
if (!mtlLayer.mtlLibrary) {
NSLog(@"Failed to load library. error %@", error);
//exit(0);
}*/
NSError* error = nil;
NSString* content = @"#include <metal_stdlib>\n"
"#include <simd/simd.h>\n"
"using namespace metal;\n"
"struct MetalVertex"
"{"
"vector_float4 position;"
"vector_float4 color;"
"};\n"
"struct VertexOut {"
"float4 color;"
"float4 pos [[position]];"
"};\n"
"vertex VertexOut vertexShader(device MetalVertex *vertices [[buffer(0)]], uint vid [[vertex_id]]) {"
"VertexOut out;"
"\n"
"out.pos = vertices[vid].position;"
"out.color = vertices[vid].color;"
"return out;"
"}\n"
"fragment float4 fragmentShader(MetalVertex in [[stage_in]]) {"
"return in.color;"
"}";
mtlLayer.mtlLibrary = [mtlLayer.device newLibraryWithSource:content options:nil error:&error];
if (!mtlLayer.mtlLibrary) {
NSLog(@"Failed to create shader library from source. 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);
}