--- old/src/java.desktop/macosx/classes/sun/java2d/metal/MetalContext.java 2019-06-19 14:03:13.000000000 +0530 +++ /dev/null 2019-06-19 14:03:13.000000000 +0530 @@ -1,227 +0,0 @@ -/* - * 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. - */ - -package sun.java2d.metal; - -import sun.java2d.pipe.BufferedContext; -import sun.java2d.pipe.RenderBuffer; -import sun.java2d.pipe.RenderQueue; -import sun.java2d.pipe.hw.ContextCapabilities; -import static sun.java2d.pipe.BufferedOpCodes.*; -import static sun.java2d.pipe.hw.ContextCapabilities.*; - -import java.lang.annotation.Native; - -/** - * Note that the RenderQueue lock must be acquired before calling any of - * the methods in this class. - */ -public class MetalContext extends BufferedContext { - - private final MetalGraphicsConfig config; - - MetalContext(RenderQueue rq, MetalGraphicsConfig config) { - super(rq); - this.config = config; - } - - static void setScratchSurface(MetalGraphicsConfig gc) { - setScratchSurface(gc.getNativeConfigInfo()); - } - - /** - * Makes the given GraphicsConfig's context current to its associated - * "scratch surface". Each GraphicsConfig maintains a native context - * (GLXContext on Unix, HGLRC on Windows) as well as a native pbuffer - * known as the "scratch surface". By making the context current to the - * scratch surface, we are assured that we have a current context for - * the relevant GraphicsConfig, and can therefore perform operations - * depending on the capabilities of that GraphicsConfig. For example, - * if the GraphicsConfig supports the GL_ARB_texture_non_power_of_two - * extension, then we should be able to make a non-pow2 texture for this - * GraphicsConfig once we make the context current to the scratch surface. - * - * This method should be used for operations with an OpenGL texture - * as the destination surface (e.g. a sw->texture blit loop), or in those - * situations where we may not otherwise have a current context (e.g. - * when disposing a texture-based surface). - */ - static void setScratchSurface(long pConfigInfo) { - // assert OGLRenderQueue.getInstance().lock.isHeldByCurrentThread(); - - // invalidate the current context - currentContext = null; - - // set the scratch context - MetalRenderQueue rq = MetalRenderQueue.getInstance(); - RenderBuffer buf = rq.getBuffer(); - rq.ensureCapacityAndAlignment(12, 4); - buf.putInt(SET_SCRATCH_SURFACE); - buf.putLong(pConfigInfo); - } - - /** - * Invalidates the currentContext field to ensure that we properly - * revalidate the OGLContext (make it current, etc.) next time through - * the validate() method. This is typically invoked from methods - * that affect the current context state (e.g. disposing a context or - * surface). - */ - static void invalidateCurrentContext() { - // assert OGLRenderQueue.getInstance().lock.isHeldByCurrentThread(); - - // invalidate the current Java-level context so that we - // revalidate everything the next time around - if (currentContext != null) { - currentContext.invalidateContext(); - currentContext = null; - } - - // invalidate the context reference at the native level, and - // then flush the queue so that we have no pending operations - // dependent on the current context - MetalRenderQueue rq = MetalRenderQueue.getInstance(); - rq.ensureCapacity(4); - rq.getBuffer().putInt(INVALIDATE_CONTEXT); - rq.flushNow(); - } - - public RenderQueue getRenderQueue() { - return MetalRenderQueue.getInstance(); - } - - /** - * Returns a string representing adapter id (vendor, renderer, version). - * Must be called on the rendering thread. - * - * @return an id string for the adapter - */ - //static final native String getOGLIdString(); - - @Override - public void saveState() { - // assert rq.lock.isHeldByCurrentThread(); - - // reset all attributes of this and current contexts - invalidateContext(); - invalidateCurrentContext(); - - setScratchSurface(config); - - // save the state on the native level - rq.ensureCapacity(4); - buf.putInt(SAVE_STATE); - rq.flushNow(); - } - - @Override - public void restoreState() { - // assert rq.lock.isHeldByCurrentThread(); - - // reset all attributes of this and current contexts - invalidateContext(); - invalidateCurrentContext(); - - setScratchSurface(config); - - // restore the state on the native level - rq.ensureCapacity(4); - buf.putInt(RESTORE_STATE); - rq.flushNow(); - } - - //static class OGLContextCaps extends ContextCapabilities { - /** - * Indicates the presence of the GL_EXT_framebuffer_object extension. - * This cap will only be set if the fbobject system property has been - * enabled and we are able to create an FBO with depth buffer. - */ - // @Native - // static final int CAPS_EXT_FBOBJECT = - // (CAPS_RT_TEXTURE_ALPHA | CAPS_RT_TEXTURE_OPAQUE); - /** Indicates that the context is doublebuffered. */ - // @Native - // static final int CAPS_DOUBLEBUFFERED = (FIRST_PRIVATE_CAP << 0); - /** - * Indicates the presence of the GL_ARB_fragment_shader extension. - * This cap will only be set if the lcdshader system property has been - * enabled and the hardware supports the minimum number of texture units - */ - // @Native - // static final int CAPS_EXT_LCD_SHADER = (FIRST_PRIVATE_CAP << 1); - /** - * Indicates the presence of the GL_ARB_fragment_shader extension. - * This cap will only be set if the biopshader system property has been - * enabled and the hardware meets our minimum requirements. - */ - // @Native - // static final int CAPS_EXT_BIOP_SHADER = (FIRST_PRIVATE_CAP << 2); - /** - * Indicates the presence of the GL_ARB_fragment_shader extension. - * This cap will only be set if the gradshader system property has been - * enabled and the hardware meets our minimum requirements. - */ - // @Native - // static final int CAPS_EXT_GRAD_SHADER = (FIRST_PRIVATE_CAP << 3); - /** Indicates the presence of the GL_ARB_texture_rectangle extension. */ - // @Native - // static final int CAPS_EXT_TEXRECT = (FIRST_PRIVATE_CAP << 4); - /** Indicates the presence of the GL_NV_texture_barrier extension. */ - // @Native - // static final int CAPS_EXT_TEXBARRIER = (FIRST_PRIVATE_CAP << 5); - - - /* OGLContextCaps(int caps, String adapterId) { - super(caps, adapterId); - } - - @Override - public String toString() { - StringBuilder sb = new StringBuilder(super.toString()); - if ((caps & CAPS_EXT_FBOBJECT) != 0) { - sb.append("CAPS_EXT_FBOBJECT|"); - } - if ((caps & CAPS_DOUBLEBUFFERED) != 0) { - sb.append("CAPS_DOUBLEBUFFERED|"); - } - if ((caps & CAPS_EXT_LCD_SHADER) != 0) { - sb.append("CAPS_EXT_LCD_SHADER|"); - } - if ((caps & CAPS_EXT_BIOP_SHADER) != 0) { - sb.append("CAPS_BIOP_SHADER|"); - } - if ((caps & CAPS_EXT_GRAD_SHADER) != 0) { - sb.append("CAPS_EXT_GRAD_SHADER|"); - } - if ((caps & CAPS_EXT_TEXRECT) != 0) { - sb.append("CAPS_EXT_TEXRECT|"); - } - if ((caps & CAPS_EXT_TEXBARRIER) != 0) { - sb.append("CAPS_EXT_TEXBARRIER|"); - } - return sb.toString(); - } - }*/ -}