com.sun.prism.impl.BaseTexture Maven / Gradle / Ivy
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* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package com.sun.prism.impl;
import com.sun.prism.Image;
import com.sun.prism.PixelFormat;
import com.sun.prism.Texture;
import java.nio.Buffer;
public abstract class BaseTexture implements Texture {
protected final T resource;
private final PixelFormat format;
private final int physicalWidth;
private final int physicalHeight;
private final int contentX;
private final int contentY;
protected int contentWidth;
protected int contentHeight;
//maximum possible user pixels of a texture (in case of POW2 texture allocation size)
//currently only matters with RTT's
private final int maxContentWidth;
private final int maxContentHeight;
// We do not provide a default wrapMode because it is so dependent on
// how the texture will be used.
private final WrapMode wrapMode;
private final boolean useMipmap;
private boolean linearFiltering = true;
private int lastImageSerial;
protected BaseTexture(BaseTexture sharedTex, WrapMode newMode, boolean useMipmap) {
this.resource = sharedTex.resource;
this.format = sharedTex.format;
this.wrapMode = newMode;
this.physicalWidth = sharedTex.physicalWidth;
this.physicalHeight = sharedTex.physicalHeight;
this.contentX = sharedTex.contentX;
this.contentY = sharedTex.contentY;
this.contentWidth = sharedTex.contentWidth;
this.contentHeight = sharedTex.contentHeight;
this.maxContentWidth = sharedTex.maxContentWidth;
this.maxContentHeight = sharedTex.maxContentHeight;
this.useMipmap = useMipmap;
}
protected BaseTexture(T resource,
PixelFormat format, WrapMode wrapMode,
int width, int height)
{
this(resource, format, wrapMode, width, height, 0, 0, width, height, false);
}
protected BaseTexture(T resource,
PixelFormat format, WrapMode wrapMode,
int physicalWidth, int physicalHeight,
int contentX, int contentY,
int contentWidth, int contentHeight, boolean useMipmap)
{
this.resource = resource;
this.format = format;
this.wrapMode = wrapMode;
this.physicalWidth = physicalWidth;
this.physicalHeight = physicalHeight;
this.contentX = contentX;
this.contentY = contentY;
this.contentWidth = contentWidth;
this.contentHeight = contentHeight;
this.maxContentWidth = physicalWidth;
this.maxContentHeight = physicalHeight;
this.useMipmap = useMipmap;
}
protected BaseTexture(T resource,
PixelFormat format, WrapMode wrapMode,
int physicalWidth, int physicalHeight,
int contentX, int contentY,
int contentWidth, int contentHeight,
int maxContentWidth, int maxContentHeight, boolean useMipmap)
{
this.resource = resource;
this.format = format;
this.wrapMode = wrapMode;
this.physicalWidth = physicalWidth;
this.physicalHeight = physicalHeight;
this.contentX = contentX;
this.contentY = contentY;
this.contentWidth = contentWidth;
this.contentHeight = contentHeight;
this.maxContentWidth = maxContentWidth;
this.maxContentHeight = maxContentHeight;
this.useMipmap = useMipmap;
}
@Override
public final PixelFormat getPixelFormat() {
return format;
}
@Override
public final int getPhysicalWidth() {
return physicalWidth;
}
@Override
public final int getPhysicalHeight() {
return physicalHeight;
}
@Override
public final int getContentX() {
return contentX;
}
@Override
public final int getContentY() {
return contentY;
}
@Override
public final int getContentWidth() {
return contentWidth;
}
@Override
public final int getContentHeight() {
return contentHeight;
}
@Override
public int getMaxContentWidth() {
return maxContentWidth;
}
@Override
public int getMaxContentHeight() {
return maxContentHeight;
}
@Override
public void setContentWidth(int contentW) {
if (contentW > maxContentWidth) {
throw new IllegalArgumentException("ContentWidth must be less than or "
+ "equal to maxContentWidth");
}
contentWidth = contentW;
}
@Override
public void setContentHeight(int contentH) {
if (contentH > maxContentHeight) {
throw new IllegalArgumentException("ContentWidth must be less than or "
+ "equal to maxContentHeight");
}
contentHeight = contentH;
}
@Override
public final WrapMode getWrapMode() {
return wrapMode;
}
@Override
public boolean getUseMipmap() {
return useMipmap;
}
@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 = createSharedTexture(altMode);
altTex.lock();
return altTex;
}
/**
* Create a new version of this texture which shares the same
* {@code ManagedResource} reference.
* The lock counts for the shared resource reference are not
* changed in the processing of this method.
*
* @param newMode the {@code WrapMode} to use for the new texture.
* @return a new {@code Texture} object sharing the underlying resource.
*/
protected abstract Texture createSharedTexture(WrapMode newMode);
@Override
public final boolean getLinearFiltering() {
return linearFiltering;
}
@Override
public void setLinearFiltering(boolean linear) {
this.linearFiltering = linear;
}
@Override
public final int getLastImageSerial() {
return lastImageSerial;
}
@Override
public final void setLastImageSerial(int serial) {
lastImageSerial = serial;
}
@Override
public final void lock() {
resource.lock();
}
@Override
public final boolean isLocked() {
return resource.isLocked();
}
@Override
public final int getLockCount() {
return resource.getLockCount();
}
@Override
public final void assertLocked() {
resource.assertLocked();
}
@Override
public final void unlock() {
resource.unlock();
}
@Override
public final void makePermanent() {
resource.makePermanent();
}
@Override
public final void contentsUseful() {
resource.contentsUseful();
}
@Override
public final void contentsNotUseful() {
resource.contentsNotUseful();
}
@Override
public final boolean isSurfaceLost() {
return !resource.isValid();
}
@Override
public final void dispose() {
resource.dispose();
}
@Override
public void update(Image img) {
update(img, 0, 0);
}
@Override
public void update(Image img, int dstx, int dsty) {
update(img, dstx, dsty, img.getWidth(), img.getHeight());
}
@Override
public void update(Image img, int dstx, int dsty, int w, int h) {
update(img, dstx, dsty, w, h, false);
}
@Override
public void update(Image img, int dstx, int dsty, int srcw, int srch,
boolean skipFlush)
{
Buffer pbuffer = img.getPixelBuffer();
int pos = pbuffer.position();
update(pbuffer, img.getPixelFormat(),
dstx, dsty, img.getMinX(), img.getMinY(),
srcw, srch, img.getScanlineStride(),
skipFlush);
pbuffer.position(pos);
}
protected void checkUpdateParams(Buffer buf, PixelFormat fmt,
int dstx, int dsty,
int srcx, int srcy,
int srcw, int srch,
int srcscan)
{
if (format == PixelFormat.MULTI_YCbCr_420) {
throw new IllegalArgumentException("MULTI_YCbCr_420 requires multitexturing");
}
if (buf == null) {
throw new IllegalArgumentException("Pixel buffer must be non-null");
}
if (fmt != format) {
throw new IllegalArgumentException(
"Image format (" + fmt + ") " +
"must match texture format (" + format + ")");
}
if (dstx < 0 || dsty < 0) {
throw new IllegalArgumentException(
"dstx (" + dstx + ") and dsty (" + dsty + ") must be >= 0");
}
if (srcx < 0 || srcy < 0) {
throw new IllegalArgumentException(
"srcx (" + srcx + ") and srcy (" + srcy + ") must be >= 0");
}
if (srcw <= 0 || srch <= 0) {
throw new IllegalArgumentException(
"srcw (" + srcw + ") and srch (" + srch + ") must be > 0");
}
if (srcscan >= (Integer.MAX_VALUE / srch)) {
throw new IllegalArgumentException(
"srcscan * srch (" + srcscan + " * " + srch + ") must be < "
+ "Integer.MAX_VALUE (" + Integer.MAX_VALUE + ")");
}
int bytesPerPixel = fmt.getBytesPerPixelUnit();
if (srcscan % bytesPerPixel != 0) {
throw new IllegalArgumentException(
"srcscan (" + srcscan + ") " +
"must be a multiple of the pixel stride (" + bytesPerPixel + ")");
}
if (srcw > srcscan / bytesPerPixel) {
throw new IllegalArgumentException(
"srcw (" + srcw + ") " +
"must be <= srcscan/bytesPerPixel ("
+ (srcscan/bytesPerPixel) + ")");
}
if (dstx+srcw > contentWidth || dsty+srch > contentHeight) {
throw new IllegalArgumentException(
"Destination region " +
"(x=" + dstx + ", y=" + dsty +
", w=" + srcw + ", h=" + srch + ") " +
"must fit within texture content bounds " +
"(contentWidth=" + contentWidth +
", contentHeight=" + contentHeight + ")");
}
int bytesNeeded =
(srcx * bytesPerPixel) + (srcy * srcscan) +
((srch-1) * srcscan) + (srcw * bytesPerPixel);
int elemsNeeded = bytesNeeded / format.getDataType().getSizeInBytes();
if (elemsNeeded < 0 || elemsNeeded > buf.remaining()) {
throw new IllegalArgumentException(
"Upload requires " + elemsNeeded + " elements, but only " +
buf.remaining() + " elements remain in the buffer");
}
}
@Override
public String toString() {
return super.toString() + " [format="+format+
" physicalWidth="+physicalWidth+
" physicalHeight="+physicalHeight+
" contentX="+contentX+
" contentY="+contentY+
" contentWidth="+contentWidth+
" contentHeight="+contentHeight+
" wrapMode="+wrapMode+
" linearFiltering="+linearFiltering+
"]";
}
}
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