| /* |
| * Copyright (c) 2007, 2013, 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.d3d; |
| |
| import java.lang.annotation.Native; |
| 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 static sun.java2d.d3d.D3DContext.D3DContextCaps.*; |
| |
| /** |
| * Note that the RenderQueue lock must be acquired before calling any of |
| * the methods in this class. |
| */ |
| class D3DContext extends BufferedContext { |
| |
| private final D3DGraphicsDevice device; |
| |
| D3DContext(RenderQueue rq, D3DGraphicsDevice device) { |
| super(rq); |
| this.device = device; |
| } |
| |
| /** |
| * Invalidates the currentContext field to ensure that we properly |
| * revalidate the D3DContext (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 D3DRenderQueue.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 |
| D3DRenderQueue rq = D3DRenderQueue.getInstance(); |
| rq.ensureCapacity(4); |
| rq.getBuffer().putInt(INVALIDATE_CONTEXT); |
| rq.flushNow(); |
| } |
| |
| /** |
| * Sets the current context on the native level to be the one passed as |
| * the argument. |
| * If the context is not the same as the defaultContext the latter |
| * will be reset to null. |
| * |
| * This call is needed when copying from a SW surface to a Texture |
| * (the upload test) or copying from d3d to SW surface to make sure we |
| * have the correct current context. |
| * |
| * @param d3dc the context to be made current on the native level |
| */ |
| static void setScratchSurface(D3DContext d3dc) { |
| // assert D3DRenderQueue.getInstance().lock.isHeldByCurrentThread(); |
| |
| // invalidate the current context |
| if (d3dc != currentContext) { |
| currentContext = null; |
| } |
| |
| // set the scratch context |
| D3DRenderQueue rq = D3DRenderQueue.getInstance(); |
| RenderBuffer buf = rq.getBuffer(); |
| rq.ensureCapacity(8); |
| buf.putInt(SET_SCRATCH_SURFACE); |
| buf.putInt(d3dc.getDevice().getScreen()); |
| } |
| |
| public RenderQueue getRenderQueue() { |
| return D3DRenderQueue.getInstance(); |
| } |
| |
| @Override |
| public void saveState() { |
| // assert rq.lock.isHeldByCurrentThread(); |
| |
| // reset all attributes of this and current contexts |
| invalidateContext(); |
| invalidateCurrentContext(); |
| |
| setScratchSurface(this); |
| |
| // 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(this); |
| |
| // restore the state on the native level |
| rq.ensureCapacity(4); |
| buf.putInt(RESTORE_STATE); |
| rq.flushNow(); |
| } |
| |
| D3DGraphicsDevice getDevice() { |
| return device; |
| } |
| |
| static class D3DContextCaps extends ContextCapabilities { |
| /** |
| * Indicates the presence of pixel shaders (v2.0 or greater). |
| * This cap will only be set if the hardware supports the minimum number |
| * of texture units. |
| */ |
| @Native static final int CAPS_LCD_SHADER = (FIRST_PRIVATE_CAP << 0); |
| /** |
| * Indicates the presence of pixel shaders (v2.0 or greater). |
| * This cap will only be set if the hardware meets our |
| * minimum requirements. |
| */ |
| @Native static final int CAPS_BIOP_SHADER = (FIRST_PRIVATE_CAP << 1); |
| /** |
| * Indicates that the device was successfully initialized and can |
| * be safely used. |
| */ |
| @Native static final int CAPS_DEVICE_OK = (FIRST_PRIVATE_CAP << 2); |
| /** |
| * Indicates that the device has all of the necessary capabilities |
| * to support the Antialiasing Pixel Shader program. |
| */ |
| @Native static final int CAPS_AA_SHADER = (FIRST_PRIVATE_CAP << 3); |
| |
| D3DContextCaps(int caps, String adapterId) { |
| super(caps, adapterId); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuffer buf = new StringBuffer(super.toString()); |
| if ((caps & CAPS_LCD_SHADER) != 0) { |
| buf.append("CAPS_LCD_SHADER|"); |
| } |
| if ((caps & CAPS_BIOP_SHADER) != 0) { |
| buf.append("CAPS_BIOP_SHADER|"); |
| } |
| if ((caps & CAPS_AA_SHADER) != 0) { |
| buf.append("CAPS_AA_SHADER|"); |
| } |
| if ((caps & CAPS_DEVICE_OK) != 0) { |
| buf.append("CAPS_DEVICE_OK|"); |
| } |
| return buf.toString(); |
| } |
| } |
| } |