Thread launch strategies.

Change-Id: I506df786e815205a8e51906c2b517302c1ef2471

1 files changed, 4 insertions, 24 deletions

diff --git a/libs/rs/java/ImageProcessing/src/com/android/rs/image/horizontal_blur.rs b/libs/rs/java/ImageProcessing/src/com/android/rs/image/horizontal_blur.rs
index 4ed5aba..58c9acf 100644
--- a/libs/rs/java/ImageProcessing/src/com/android/rs/image/horizontal_blur.rs
+++ b/libs/rs/java/ImageProcessing/src/com/android/rs/image/horizontal_blur.rs
@@ -8,43 +8,23 @@ void root(const void *v_in, void *v_out, const void *usrData, uint32_t x, uint32
     const uchar4 *input = (const uchar4 *)rsGetElementAt(fs->ain, 0, y);
 
     float3 blurredPixel = 0;
-    float3 currentPixel = 0;
-
     const float *gPtr = fs->gaussian;
     if ((x > fs->radius) && (x < (fs->width - fs->radius))) {
         const uchar4 *i = input + (x - fs->radius);
         for(int r = -fs->radius; r <= fs->radius; r ++) {
-            currentPixel.x = (float)(i->x);
-            currentPixel.y = (float)(i->y);
-            currentPixel.z = (float)(i->z);
-            blurredPixel += currentPixel * gPtr[0];
+            blurredPixel += convert_float3(i->xyz) * gPtr[0];
             gPtr++;
             i++;
         }
     } else {
         for(int r = -fs->radius; r <= fs->radius; r ++) {
             // Stepping left and right away from the pixel
-            int validW = x + r;
-            // Clamp to zero and width max() isn't exposed for ints yet
-            if(validW < 0) {
-                validW = 0;
-            }
-            if(validW > fs->width - 1) {
-                validW = fs->width - 1;
-            }
-            //int validW = rsClamp(w + r, 0, width - 1);
-
-            currentPixel.x = (float)(input[validW].x);
-            currentPixel.y = (float)(input[validW].y);
-            currentPixel.z = (float)(input[validW].z);
-
-            blurredPixel += currentPixel * gPtr[0];
+            int validW = rsClamp(x + r, (uint)0, (uint)(fs->width - 1));
+            blurredPixel += convert_float3(input[validW].xyz) * gPtr[0];
             gPtr++;
         }
     }
 
-    output->x = (uint8_t)blurredPixel.x;
-    output->y = (uint8_t)blurredPixel.y;
-    output->z = (uint8_t)blurredPixel.z;
+    output->xyz = convert_uchar3(blurredPixel);
 }