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/*
* Copyright (c) 2009, 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
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package com.sun.scenario.effect.impl.prism.ps;
import java.io.InputStream;
import java.lang.reflect.Constructor;
import java.nio.FloatBuffer;
import java.util.Map;
import com.sun.glass.ui.Screen;
import com.sun.javafx.geom.Rectangle;
import com.sun.javafx.geom.transform.BaseTransform;
import com.sun.prism.Graphics;
import com.sun.prism.GraphicsPipeline;
import com.sun.prism.GraphicsPipeline.ShaderModel;
import com.sun.prism.GraphicsPipeline.ShaderType;
import com.sun.prism.Image;
import com.sun.prism.PixelFormat;
import com.sun.prism.RTTexture;
import com.sun.prism.ResourceFactory;
import com.sun.prism.ResourceFactoryListener;
import com.sun.prism.Texture;
import com.sun.prism.Texture.Usage;
import com.sun.prism.Texture.WrapMode;
import com.sun.prism.ps.Shader;
import com.sun.prism.ps.ShaderFactory;
import com.sun.scenario.effect.Effect.AccelType;
import com.sun.scenario.effect.FilterContext;
import com.sun.scenario.effect.Filterable;
import com.sun.scenario.effect.FloatMap;
import com.sun.scenario.effect.ImageData;
import com.sun.scenario.effect.LockableResource;
import com.sun.scenario.effect.impl.EffectPeer;
import com.sun.scenario.effect.impl.Renderer;
import com.sun.scenario.effect.impl.hw.ShaderSource;
import com.sun.scenario.effect.impl.prism.PrDrawable;
import com.sun.scenario.effect.impl.prism.PrImage;
import com.sun.scenario.effect.impl.prism.PrRenderer;
import com.sun.scenario.effect.impl.prism.PrTexture;
import static com.sun.scenario.effect.impl.Renderer.RendererState.*;
public class PPSRenderer extends PrRenderer {
private final Screen screen;
private final ShaderSource shaderSource;
private RendererState state;
private boolean needsSWDispMap;
private final ResourceFactoryListener listener =
new ResourceFactoryListener()
{
public void factoryReset() {
dispose();
}
public void factoryReleased() {
dispose();
}
};
private PPSRenderer(Screen screen, ShaderSource shaderSource) {
this.screen = screen;
this.shaderSource = shaderSource;
synchronized (this) {
state = OK;
}
ResourceFactory rf =
GraphicsPipeline.getPipeline().getResourceFactory(screen);
rf.addFactoryListener(listener);
needsSWDispMap = !rf.isFormatSupported(PixelFormat.FLOAT_XYZW);
}
@Override
public PrDrawable createDrawable(RTTexture rtt) {
return PPSDrawable.create(rtt);
}
@Override
public AccelType getAccelType() {
return shaderSource.getAccelType();
}
/**
* Warning: may be called on the rendering thread
*/
@Override
public synchronized RendererState getRendererState() {
return state;
}
@Override
protected Renderer getBackupRenderer() {
return this;
}
/**
* Disposes this renderer (flushes the associated images).
*
* Warning: must be called only on the rendering thread (for example in
* response to device reset event).
*
* May be called multiple times.
*/
protected void dispose() {
// even if new peers are added from another thread while we're executing
// this on the rendering thread, they won't have any native resources
// since we're on the rendering thread, so no need to synchronize
for (EffectPeer peer : getPeers()) {
peer.dispose();
}
synchronized (this) {
state = DISPOSED;
}
GraphicsPipeline.getPipeline().
getResourceFactory(screen).removeFactoryListener(listener);
}
/**
* Marks this renderer as lost.
*
* Warning: may be called on the rendering thread
*/
protected final synchronized void markLost() {
if (state == OK) {
state = LOST;
}
}
@Override
public int getCompatibleWidth(int w) {
return PPSDrawable.getCompatibleWidth(screen, w);
}
@Override
public int getCompatibleHeight(int h) {
return PPSDrawable.getCompatibleHeight(screen, h);
}
@Override
public final PPSDrawable createCompatibleImage(int w, int h) {
return PPSDrawable.create(screen, w, h);
}
@Override
public PPSDrawable getCompatibleImage(int w, int h) {
PPSDrawable im = (PPSDrawable)super.getCompatibleImage(w, h);
// either we ran out of vram or the device is lost
if (im == null) {
markLost();
}
return im;
}
@Override
public LockableResource createFloatTexture(int w, int h) {
Texture prismTex = GraphicsPipeline.getPipeline().
getResourceFactory(screen).createFloatTexture(w, h);
return new PrTexture(prismTex);
}
@Override
public void updateFloatTexture(LockableResource texture, FloatMap map) {
FloatBuffer buf = map.getBuffer();
int w = map.getWidth();
int h = map.getHeight();
Image img = Image.fromFloatMapData(buf, w, h);
Texture prismTex = ((PrTexture)texture).getTextureObject();
prismTex.update(img);
}
public Shader createShader(String name,
Map samplers,
Map params,
boolean isPixcoordUsed)
{
InputStream pscode = shaderSource.loadSource(name);
int maxTexCoordIndex = samplers.keySet().size()-1;
ShaderFactory factory = (ShaderFactory)
GraphicsPipeline.getPipeline().getResourceFactory(screen);
return factory.createShader(pscode, samplers, params,
maxTexCoordIndex,
isPixcoordUsed, false);
}
/**
* Creates a new {@code EffectPeer} instance that can be used by
* any of the Prism-based backend implementations. For example,
* we can implement the {@code Reflection} effect using only
* Prism operations, so we can share that implemenation across all
* of the Prism-based backends.
*
* @param fctx the filter context
* @param name the name of the effect peer
* @return a new {@code EffectPeer} instance
*/
private EffectPeer createIntrinsicPeer(FilterContext fctx, String name) {
Class klass = null;
EffectPeer peer;
try {
klass = Class.forName(rootPkg + ".impl.prism.Pr" + name + "Peer");
Constructor ctor = klass.getConstructor(new Class[]
{ FilterContext.class, Renderer.class, String.class });
peer = (EffectPeer)ctor.newInstance(new Object[]
{ fctx, this, name });
} catch (Exception e) {
return null;
}
return peer;
}
/**
* Creates a new {@code EffectPeer} instance that is specific to
* the current shader-based backend.
*
* @param fctx the filter context
* @param name the name of the effect peer
* @param unrollCount the unroll count
* @return a new {@code EffectPeer} instance
*/
private EffectPeer createPlatformPeer(FilterContext fctx, String name,
int unrollCount)
{
EffectPeer peer;
String shaderName = name;
if (unrollCount > 0) {
shaderName += "_" + unrollCount;
}
try {
Class klass = Class.forName(rootPkg + ".impl.prism.ps.PPS" + name + "Peer");
Constructor ctor = klass.getConstructor(new Class[]
{ FilterContext.class, Renderer.class, String.class });
peer = (EffectPeer)ctor.newInstance(new Object[]
{ fctx, this, shaderName });
} catch (Exception e) {
System.err.println("Error: Prism peer not found for: " + name +
" due to error: " + e.getMessage());
return null;
}
return peer;
}
@Override
protected EffectPeer createPeer(FilterContext fctx, String name,
int unrollCount)
{
if (PrRenderer.isIntrinsicPeer(name)) {
// create an intrinsic peer (one that's handled by Prism)
return createIntrinsicPeer(fctx, name);
} else if (needsSWDispMap && name.equals("DisplacementMap")) {
return new PPStoPSWDisplacementMapPeer(fctx, this, name);
} else {
// try creating a platform-specific peer
return createPlatformPeer(fctx, name, unrollCount);
}
}
@Override
public boolean isImageDataCompatible(final ImageData id) {
if (getRendererState() == OK) {
Filterable f = id.getUntransformedImage();
return (f instanceof PrDrawable && !f.isLost());
}
return false;
}
@Override
public void clearImage(Filterable filterable) {
PPSDrawable img = (PPSDrawable)filterable;
img.clear();
}
@Override
public ImageData createImageData(FilterContext fctx, Filterable src) {
if (!(src instanceof PrImage)) {
throw new IllegalArgumentException("Identity source must be PrImage");
}
Image img = ((PrImage)src).getImage();
int w = img.getWidth();
int h = img.getHeight();
PPSDrawable dst = createCompatibleImage(w, h);
if (dst == null) {
return null;
}
// RT-27561
// TODO: it is wasteful to create an RTT here; eventually it would
// be nice if we could use plain Textures as a source Filterable...
Graphics g = dst.createGraphics();
ResourceFactory factory = g.getResourceFactory();
Texture tex = factory.createTexture(img, Usage.DEFAULT,
WrapMode.CLAMP_TO_EDGE);
g.drawTexture(tex, 0, 0, w, h);
// NOTE: calling sync() should not be required; ideally calling
// Texture.dispose() would flush any pending operations that may
// depend on that texture...
g.sync();
tex.dispose();
ImageData id = new ImageData(fctx, dst, new Rectangle(w, h));
float ps = img.getPixelScale();
if (ps != 1.0f) {
ps = 1.0f / ps;
id = id.transform(BaseTransform.getScaleInstance(ps, ps));
}
return id;
}
@Override
public Filterable transform(FilterContext fctx,
Filterable original,
BaseTransform transform,
Rectangle origBounds,
Rectangle xformBounds)
{
PPSDrawable dst = (PPSDrawable)
getCompatibleImage(xformBounds.width, xformBounds.height);
if (dst != null) {
Graphics g = dst.createGraphics();
g.translate(-xformBounds.x, -xformBounds.y);
g.transform(transform);
g.drawTexture(((PPSDrawable)original).getTextureObject(),
origBounds.x, origBounds.y,
origBounds.width, origBounds.height);
}
return dst;
}
@Override
public ImageData transform(FilterContext fctx, ImageData original,
BaseTransform transform,
Rectangle origBounds,
Rectangle xformBounds)
{
PPSDrawable dst = (PPSDrawable)
getCompatibleImage(xformBounds.width, xformBounds.height);
if (dst != null) {
PPSDrawable orig = (PPSDrawable)original.getUntransformedImage();
Graphics g = dst.createGraphics();
g.translate(-xformBounds.x, -xformBounds.y);
g.transform(transform);
g.drawTexture(orig.getTextureObject(),
origBounds.x, origBounds.y,
origBounds.width, origBounds.height);
}
original.unref();
return new ImageData(fctx, dst, xformBounds);
}
private static ShaderSource createShaderSource(String name) {
Class klass = null;
try {
klass = Class.forName(name);
return (ShaderSource)klass.newInstance();
} catch (ClassNotFoundException e) {
System.err.println(name + " class not found");
return null;
} catch (Throwable t) {
//System.err.println("Error loading renderer:");
//t.printStackTrace();
return null;
}
}
public static Renderer createRenderer(FilterContext fctx) {
Object ref = fctx.getReferent();
GraphicsPipeline pipe = GraphicsPipeline.getPipeline();
if (pipe == null || !(ref instanceof Screen)) {
return null;
}
Screen screen = (Screen)ref;
ShaderSource shaderSource = null;
if (pipe.supportsShader(ShaderType.HLSL, ShaderModel.SM3)) {
shaderSource = createShaderSource(rootPkg + ".impl.hw.d3d.D3DShaderSource");
} else if (pipe.supportsShader(ShaderType.GLSL, ShaderModel.SM3)) {
shaderSource = createShaderSource(rootPkg + ".impl.es2.ES2ShaderSource");
} else {
throw new InternalError("Unknown GraphicsPipeline");
}
if (shaderSource == null) {
return null;
}
return new PPSRenderer(screen, shaderSource);
}
}
