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/*
* Copyright (c) 2008, 2022, 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 com.sun.prism;
import java.nio.Buffer;
import java.nio.ByteBuffer;
import java.util.ArrayList;
/**
* A "texture" that wraps a list of sub-textures and values needed for multitexturing.
*/
public final class MultiTexture implements Texture {
private int width;
private int height;
private PixelFormat format;
private WrapMode wrapMode;
private boolean linearFiltering = true;
private final ArrayList textures;
private int lastImageSerial;
public MultiTexture(PixelFormat format, WrapMode wrapMode, int width, int height) {
this.width = width;
this.height = height;
this.format = format;
this.wrapMode = wrapMode;
textures = new ArrayList<>(4);
}
private MultiTexture(MultiTexture sharedTex, WrapMode newMode) {
this(sharedTex.format, newMode, sharedTex.width, sharedTex.height);
for (int i = 0; i < sharedTex.textureCount(); i++) {
Texture t = sharedTex.getTexture(i);
setTexture(t.getSharedTexture(newMode), i);
}
// REMIND: Do I need to use indirection to share these 2 field values?
this.linearFiltering = sharedTex.linearFiltering;
this.lastImageSerial = sharedTex.lastImageSerial;
}
@Override
public Texture getSharedTexture(WrapMode altMode) {
assertLocked();
if (wrapMode == altMode) {
lock();
return this;
}
switch (altMode) {
case REPEAT:
if (wrapMode != WrapMode.CLAMP_TO_EDGE) {
return null;
}
break;
case CLAMP_TO_EDGE:
if (wrapMode != WrapMode.REPEAT) {
return null;
}
break;
default:
return null;
}
Texture altTex = new MultiTexture(this, altMode);
altTex.lock();
return altTex;
}
public int textureCount() {
return textures.size();
}
public void setTexture(Texture tex, int index) {
if (!tex.getWrapMode().isCompatibleWith(wrapMode)) {
throw new IllegalArgumentException("texture wrap mode must match multi-texture mode");
}
if (textures.size() < (index+1)) {
// add null entries to fill in, then add tex to the end
for (int ii = textures.size(); ii < index; ii++) {
textures.add(null);
}
textures.add(tex);
} else {
textures.set(index, tex);
}
tex.setLinearFiltering(linearFiltering);
}
public Texture getTexture(int index) {
return textures.get(index);
}
public Texture[] getTextures() {
return textures.toArray(new Texture[textures.size()]);
}
public void removeTexture(Texture tex) {
textures.remove(tex);
}
public void removeTexture(int index) {
textures.remove(index);
}
@Override
public PixelFormat getPixelFormat() {
return format;
}
@Override
public int getPhysicalWidth() {
return width;
}
@Override
public int getPhysicalHeight() {
return height;
}
@Override
public int getContentX() {
return 0;
}
@Override
public int getContentY() {
return 0;
}
@Override
public int getContentWidth() {
return width;
}
@Override
public int getContentHeight() {
return height;
}
@Override
public int getLastImageSerial() {
return lastImageSerial;
}
@Override
public void setLastImageSerial(int serial) {
lastImageSerial = serial;
}
@Override
public void update(Image img) {
throw new UnsupportedOperationException("Update from Image not supported");
}
@Override
public void update(Image img, int dstx, int dsty) {
throw new UnsupportedOperationException("Update from Image not supported");
}
@Override
public void update(Image img, int dstx, int dsty, int srcw, int srch) {
throw new UnsupportedOperationException("Update from Image not supported");
}
@Override
public void update(Image img, int dstx, int dsty, int srcw, int srch, boolean skipFlush) {
throw new UnsupportedOperationException("Update from Image not supported");
}
@Override
public void update(Buffer buffer, PixelFormat format,
int dstx, int dsty,
int srcx, int srcy, int srcw, int srch,
int srcscan, boolean skipFlush)
{
throw new UnsupportedOperationException("Update from generic Buffer not supported");
}
@Override
public void update(MediaFrame frame, boolean skipFlush) {
if (frame.getPixelFormat() == PixelFormat.MULTI_YCbCr_420) {
// call update(..) on each texture
Texture tex;
int encWidth = frame.getEncodedWidth();
int encHeight = frame.getEncodedHeight();
for (int index = 0; index < frame.planeCount(); index++) {
tex = textures.get(index);
if (null != tex) {
int texWidth = encWidth;
int texHeight = encHeight;
if (index == PixelFormat.YCBCR_PLANE_CHROMABLUE
|| index == PixelFormat.YCBCR_PLANE_CHROMARED) {
texWidth /= 2;
texHeight /= 2;
}
ByteBuffer pixels = frame.getBufferForPlane(index);
tex.update(pixels, PixelFormat.BYTE_ALPHA,
0, 0,
0, 0, texWidth, texHeight,
frame.strideForPlane(index), skipFlush);
}
}
} else {
throw new IllegalArgumentException("Invalid pixel format in MediaFrame");
}
}
@Override
public WrapMode getWrapMode() {
return wrapMode;
}
@Override
public boolean getUseMipmap() {
// TODO: MultiTexture doesn't support mipmap yet
return false;
}
@Override
public boolean getLinearFiltering() {
return linearFiltering;
}
@Override
public void setLinearFiltering(boolean linear) {
this.linearFiltering = linear;
for (Texture tex : textures) {
tex.setLinearFiltering(linear);
}
}
@Override
public void lock() {
for (Texture tex : textures) {
tex.lock();
}
}
@Override
public void unlock() {
for (Texture tex : textures) {
tex.unlock();
}
}
@Override
public boolean isLocked() {
for (Texture tex : textures) {
if (tex.isLocked()) return true;
}
return false;
}
@Override
public int getLockCount() {
int count = 0;
for (Texture tex : textures) {
count = Math.max(count, tex.getLockCount());
}
return count;
}
@Override
public void assertLocked() {
for (Texture tex : textures) {
tex.assertLocked();
}
}
@Override
public void makePermanent() {
for (Texture tex : textures) {
tex.makePermanent();
}
}
@Override
public void contentsUseful() {
for (Texture tex : textures) {
tex.contentsUseful();
}
}
@Override
public void contentsNotUseful() {
for (Texture tex : textures) {
tex.contentsNotUseful();
}
}
@Override
public boolean isSurfaceLost() {
for (Texture tex : textures) {
if (tex.isSurfaceLost()) return true;
}
return false;
}
@Override
public void dispose() {
for (Texture tex : textures) {
tex.dispose();
}
textures.clear();
}
@Override
public int getMaxContentWidth() {
return getPhysicalWidth();
}
@Override
public int getMaxContentHeight() {
return getPhysicalHeight();
}
@Override
public void setContentWidth(int contentWidth) {
throw new UnsupportedOperationException("Not supported.");
}
@Override
public void setContentHeight(int contentHeight) {
throw new UnsupportedOperationException("Not supported.");
}
}
