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Diffstat (limited to 'graphics/java/android/renderscript/FieldPacker.java')
-rw-r--r--graphics/java/android/renderscript/FieldPacker.java247
1 files changed, 247 insertions, 0 deletions
diff --git a/graphics/java/android/renderscript/FieldPacker.java b/graphics/java/android/renderscript/FieldPacker.java
index 0a7e882..decd0c7 100644
--- a/graphics/java/android/renderscript/FieldPacker.java
+++ b/graphics/java/android/renderscript/FieldPacker.java
@@ -16,6 +16,8 @@
package android.renderscript;
+import android.util.Log;
+import java.util.BitSet;
/**
* Utility class for packing arguments and structures from Android system objects to
@@ -27,12 +29,14 @@ public class FieldPacker {
mPos = 0;
mLen = len;
mData = new byte[len];
+ mAlignment = new BitSet();
}
public FieldPacker(byte[] data) {
mPos = 0;
mLen = data.length;
mData = data;
+ mAlignment = new BitSet();
}
public void align(int v) {
@@ -41,10 +45,29 @@ public class FieldPacker {
}
while ((mPos & (v - 1)) != 0) {
+ mAlignment.flip(mPos);
mData[mPos++] = 0;
}
}
+ public void subalign(int v) {
+ if ((v & (v - 1)) != 0) {
+ throw new RSIllegalArgumentException("argument must be a non-negative non-zero power of 2: " + v);
+ }
+
+ while ((mPos & (v - 1)) != 0) {
+ mPos--;
+ }
+
+ if (mPos > 0) {
+ while (mAlignment.get(mPos - 1) == true) {
+ mPos--;
+ mAlignment.flip(mPos);
+ }
+ }
+
+ }
+
public void reset() {
mPos = 0;
}
@@ -67,12 +90,26 @@ public class FieldPacker {
mData[mPos++] = v;
}
+ public byte subI8() {
+ subalign(1);
+ return mData[--mPos];
+ }
+
public void addI16(short v) {
align(2);
mData[mPos++] = (byte)(v & 0xff);
mData[mPos++] = (byte)(v >> 8);
}
+ public short subI16() {
+ subalign(2);
+ short v = 0;
+ v = (short)((mData[--mPos] & 0xff) << 8);
+ v = (short)(v | (short)(mData[--mPos] & 0xff));
+ return v;
+ }
+
+
public void addI32(int v) {
align(4);
mData[mPos++] = (byte)(v & 0xff);
@@ -81,6 +118,17 @@ public class FieldPacker {
mData[mPos++] = (byte)((v >> 24) & 0xff);
}
+ public int subI32() {
+ subalign(4);
+ int v = 0;
+ v = ((mData[--mPos] & 0xff) << 24);
+ v = v | ((mData[--mPos] & 0xff) << 16);
+ v = v | ((mData[--mPos] & 0xff) << 8);
+ v = v | ((mData[--mPos] & 0xff));
+ return v;
+ }
+
+
public void addI64(long v) {
align(8);
mData[mPos++] = (byte)(v & 0xff);
@@ -93,6 +141,29 @@ public class FieldPacker {
mData[mPos++] = (byte)((v >> 56) & 0xff);
}
+ public long subI64() {
+ subalign(8);
+ long v = 0;
+ byte x = 0;
+ x = ((mData[--mPos]));
+ v = (long)(v | (((long)x) & 0xff) << 56l);
+ x = ((mData[--mPos]));
+ v = (long)(v | (((long)x) & 0xff) << 48l);
+ x = ((mData[--mPos]));
+ v = (long)(v | (((long)x) & 0xff) << 40l);
+ x = ((mData[--mPos]));
+ v = (long)(v | (((long)x) & 0xff) << 32l);
+ x = ((mData[--mPos]));
+ v = (long)(v | (((long)x) & 0xff) << 24l);
+ x = ((mData[--mPos]));
+ v = (long)(v | (((long)x) & 0xff) << 16l);
+ x = ((mData[--mPos]));
+ v = (long)(v | (((long)x) & 0xff) << 8l);
+ x = ((mData[--mPos]));
+ v = (long)(v | (((long)x) & 0xff));
+ return v;
+ }
+
public void addU8(short v) {
if ((v < 0) || (v > 0xff)) {
android.util.Log.e("rs", "FieldPacker.addU8( " + v + " )");
@@ -143,10 +214,18 @@ public class FieldPacker {
addI32(Float.floatToRawIntBits(v));
}
+ public float subF32() {
+ return Float.intBitsToFloat(subI32());
+ }
+
public void addF64(double v) {
addI64(Double.doubleToRawLongBits(v));
}
+ public double subF64() {
+ return Double.longBitsToDouble(subI64());
+ }
+
public void addObj(BaseObj obj) {
if (obj != null) {
addI32(obj.getID(null));
@@ -315,28 +394,195 @@ public class FieldPacker {
addU64(v.w);
}
+
+ public Float2 subFloat2() {
+ Float2 v = new Float2();
+ v.y = subF32();
+ v.x = subF32();
+ return v;
+ }
+ public Float3 subFloat3() {
+ Float3 v = new Float3();
+ v.z = subF32();
+ v.y = subF32();
+ v.x = subF32();
+ return v;
+ }
+ public Float4 subFloat4() {
+ Float4 v = new Float4();
+ v.w = subF32();
+ v.z = subF32();
+ v.y = subF32();
+ v.x = subF32();
+ return v;
+ }
+
+ public Double2 subDouble2() {
+ Double2 v = new Double2();
+ v.y = subF64();
+ v.x = subF64();
+ return v;
+ }
+ public Double3 subDouble3() {
+ Double3 v = new Double3();
+ v.z = subF64();
+ v.y = subF64();
+ v.x = subF64();
+ return v;
+ }
+ public Double4 subDouble4() {
+ Double4 v = new Double4();
+ v.w = subF64();
+ v.z = subF64();
+ v.y = subF64();
+ v.x = subF64();
+ return v;
+ }
+
+ public Byte2 subByte2() {
+ Byte2 v = new Byte2();
+ v.y = subI8();
+ v.x = subI8();
+ return v;
+ }
+ public Byte3 subByte3() {
+ Byte3 v = new Byte3();
+ v.z = subI8();
+ v.y = subI8();
+ v.x = subI8();
+ return v;
+ }
+ public Byte4 subByte4() {
+ Byte4 v = new Byte4();
+ v.w = subI8();
+ v.z = subI8();
+ v.y = subI8();
+ v.x = subI8();
+ return v;
+ }
+
+ public Short2 subShort2() {
+ Short2 v = new Short2();
+ v.y = subI16();
+ v.x = subI16();
+ return v;
+ }
+ public Short3 subShort3() {
+ Short3 v = new Short3();
+ v.z = subI16();
+ v.y = subI16();
+ v.x = subI16();
+ return v;
+ }
+ public Short4 subShort4() {
+ Short4 v = new Short4();
+ v.w = subI16();
+ v.z = subI16();
+ v.y = subI16();
+ v.x = subI16();
+ return v;
+ }
+
+ public Int2 subInt2() {
+ Int2 v = new Int2();
+ v.y = subI32();
+ v.x = subI32();
+ return v;
+ }
+ public Int3 subInt3() {
+ Int3 v = new Int3();
+ v.z = subI32();
+ v.y = subI32();
+ v.x = subI32();
+ return v;
+ }
+ public Int4 subInt4() {
+ Int4 v = new Int4();
+ v.w = subI32();
+ v.z = subI32();
+ v.y = subI32();
+ v.x = subI32();
+ return v;
+ }
+
+ public Long2 subLong2() {
+ Long2 v = new Long2();
+ v.y = subI64();
+ v.x = subI64();
+ return v;
+ }
+ public Long3 subLong3() {
+ Long3 v = new Long3();
+ v.z = subI64();
+ v.y = subI64();
+ v.x = subI64();
+ return v;
+ }
+ public Long4 subLong4() {
+ Long4 v = new Long4();
+ v.w = subI64();
+ v.z = subI64();
+ v.y = subI64();
+ v.x = subI64();
+ return v;
+ }
+
+
+
public void addMatrix(Matrix4f v) {
for (int i=0; i < v.mMat.length; i++) {
addF32(v.mMat[i]);
}
}
+ public Matrix4f subMatrix4f() {
+ Matrix4f v = new Matrix4f();
+ for (int i = v.mMat.length - 1; i >= 0; i--) {
+ v.mMat[i] = subF32();
+ }
+ return v;
+ }
+
public void addMatrix(Matrix3f v) {
for (int i=0; i < v.mMat.length; i++) {
addF32(v.mMat[i]);
}
}
+ public Matrix3f subMatrix3f() {
+ Matrix3f v = new Matrix3f();
+ for (int i = v.mMat.length - 1; i >= 0; i--) {
+ v.mMat[i] = subF32();
+ }
+ return v;
+ }
+
public void addMatrix(Matrix2f v) {
for (int i=0; i < v.mMat.length; i++) {
addF32(v.mMat[i]);
}
}
+ public Matrix2f subMatrix2f() {
+ Matrix2f v = new Matrix2f();
+ for (int i = v.mMat.length - 1; i >= 0; i--) {
+ v.mMat[i] = subF32();
+ }
+ return v;
+ }
+
public void addBoolean(boolean v) {
addI8((byte)(v ? 1 : 0));
}
+ public boolean subBoolean() {
+ byte v = subI8();
+ if (v == 1) {
+ return true;
+ }
+ return false;
+ }
+
public final byte[] getData() {
return mData;
}
@@ -344,6 +590,7 @@ public class FieldPacker {
private final byte mData[];
private int mPos;
private int mLen;
+ private BitSet mAlignment;
}
generated by cgit v1.1 at 2025-07-03 13:42:49 +0000