Android/frameworks_base
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Add support for linking to a skia bitmap rather than always copying the data from the bitmap.

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This commit is contained in:
Jason Sams
2010-03-01 15:31:04 -08:00
parent c2908e60c9
commit 8a64743f37
7 changed files with 127 additions and 7 deletions
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46
graphics/java/android/renderscript/Allocation.java
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@@ -32,6 +32,7 @@ import android.util.TypedValue;
**/
public class Allocation extends BaseObj {
Type mType;
Bitmap mBitmap;
Allocation(int id, RenderScript rs, Type t) {
super(rs);
@@ -262,15 +263,58 @@ public class Allocation extends BaseObj {
return new Allocation(id, rs, t);
}
static private Element elementFromBitmap(RenderScript rs, Bitmap b) {
final Bitmap.Config bc = b.getConfig();
if (bc == Bitmap.Config.ALPHA_8) {
return Element.A_8(rs);
}
if (bc == Bitmap.Config.ARGB_4444) {
return Element.RGBA_4444(rs);
}
if (bc == Bitmap.Config.ARGB_8888) {
return Element.RGBA_8888(rs);
}
if (bc == Bitmap.Config.RGB_565) {
return Element.RGB_565(rs);
}
throw new IllegalStateException("Bad bitmap type.");
}
static private Type typeFromBitmap(RenderScript rs, Bitmap b) {
Element e = elementFromBitmap(rs, b);
Type.Builder tb = new Type.Builder(rs, e);
tb.add(Dimension.X, b.getWidth());
tb.add(Dimension.Y, b.getHeight());
return tb.create();
}
static public Allocation createFromBitmap(RenderScript rs, Bitmap b, Element dstFmt, boolean genMips)
throws IllegalArgumentException {
rs.validate();
Type t = typeFromBitmap(rs, b);
int id = rs.nAllocationCreateFromBitmap(dstFmt.mID, genMips, b);
if(id == 0) {
throw new IllegalStateException("Load failed.");
}
return new Allocation(id, rs, null);
return new Allocation(id, rs, t);
}
static public Allocation createBitmapRef(RenderScript rs, Bitmap b)
throws IllegalArgumentException {
rs.validate();
Type t = typeFromBitmap(rs, b);
int id = rs.nAllocationCreateBitmapRef(t.getID(), b);
if(id == 0) {
throw new IllegalStateException("Load failed.");
}
Allocation a = new Allocation(id, rs, t);
a.mBitmap = b;
return a;
}
static Allocation createFromBitmapBoxed(RenderScript rs, Bitmap b, Element dstFmt, boolean genMips)