First draft of fbo in renderscript.

Updating samples and benchmark

Change-Id: I469bf8b842fca72b59475c8fa024c12cf0e14954

2 files changed, 29 insertions, 8 deletions

diff --git a/graphics/java/android/renderscript/Allocation.java b/graphics/java/android/renderscript/Allocation.java
index 4b8c58e..9ac1a00 100644
--- a/graphics/java/android/renderscript/Allocation.java
+++ b/graphics/java/android/renderscript/Allocation.java
@@ -99,6 +99,14 @@ public class Allocation extends BaseObj {
      */
     public static final int USAGE_GRAPHICS_CONSTANTS = 0x0008;
 
+    /**
+     * @hide
+     * USAGE_GRAPHICS_RENDER_TARGET The allcation will be used as a
+     * target for offscreen rendering
+     *
+     */
+    public static final int USAGE_GRAPHICS_RENDER_TARGET = 0x0010;
+
 
     /**
      * Controls mipmap behavior when using the bitmap creation and
@@ -137,7 +145,8 @@ public class Allocation extends BaseObj {
         if ((usage & ~(USAGE_SCRIPT |
                        USAGE_GRAPHICS_TEXTURE |
                        USAGE_GRAPHICS_VERTEX |
-                       USAGE_GRAPHICS_CONSTANTS)) != 0) {
+                       USAGE_GRAPHICS_CONSTANTS |
+                       USAGE_GRAPHICS_RENDER_TARGET)) != 0) {
             throw new RSIllegalArgumentException("Unknown usage specified.");
         }
         mType = t;
diff --git a/graphics/java/android/renderscript/Element.java b/graphics/java/android/renderscript/Element.java
index fae22f0..0c1ad2a 100644
--- a/graphics/java/android/renderscript/Element.java
+++ b/graphics/java/android/renderscript/Element.java
@@ -124,7 +124,8 @@ public class Element extends BaseObj {
         PIXEL_A (8),
         PIXEL_LA (9),
         PIXEL_RGB (10),
-        PIXEL_RGBA (11);
+        PIXEL_RGBA (11),
+        PIXEL_DEPTH (12);
 
         int mID;
         DataKind(int id) {
@@ -536,10 +537,12 @@ public class Element extends BaseObj {
               dk == DataKind.PIXEL_A ||
               dk == DataKind.PIXEL_LA ||
               dk == DataKind.PIXEL_RGB ||
-              dk == DataKind.PIXEL_RGBA)) {
+              dk == DataKind.PIXEL_RGBA ||
+              dk == DataKind.PIXEL_DEPTH)) {
             throw new RSIllegalArgumentException("Unsupported DataKind");
         }
         if (!(dt == DataType.UNSIGNED_8 ||
+              dt == DataType.UNSIGNED_16 ||
               dt == DataType.UNSIGNED_5_6_5 ||
               dt == DataType.UNSIGNED_4_4_4_4 ||
               dt == DataType.UNSIGNED_5_5_5_1)) {
@@ -554,16 +557,25 @@ public class Element extends BaseObj {
         if (dt == DataType.UNSIGNED_4_4_4_4 && dk != DataKind.PIXEL_RGBA) {
             throw new RSIllegalArgumentException("Bad kind and type combo");
         }
+        if (dt == DataType.UNSIGNED_16 &&
+            dk != DataKind.PIXEL_DEPTH) {
+            throw new RSIllegalArgumentException("Bad kind and type combo");
+        }
 
         int size = 1;
-        if (dk == DataKind.PIXEL_LA) {
+        switch (dk) {
+        case PIXEL_LA:
             size = 2;
-        }
-        if (dk == DataKind.PIXEL_RGB) {
+            break;
+        case PIXEL_RGB:
             size = 3;
-        }
-        if (dk == DataKind.PIXEL_RGBA) {
+            break;
+        case PIXEL_RGBA:
             size = 4;
+            break;
+        case PIXEL_DEPTH:
+            size = 2;
+            break;
         }
 
         boolean norm = true;