diff options
| -rw-r--r-- | graphics/java/android/graphics/SurfaceTexture.java | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/graphics/java/android/graphics/SurfaceTexture.java b/graphics/java/android/graphics/SurfaceTexture.java index 697daa8b7b70..cd878c5a77cb 100644 --- a/graphics/java/android/graphics/SurfaceTexture.java +++ b/graphics/java/android/graphics/SurfaceTexture.java @@ -307,6 +307,11 @@ public class SurfaceTexture { * The matrix is stored in column-major order so that it may be passed directly to OpenGL ES via * the glLoadMatrixf or glUniformMatrix4fv functions. * + * If the underlying buffer has a crop associated with it, the transformation will also include + * a slight scale to cut off a 1-texel border around the edge of the crop. This ensures that + * when the texture is bilinear sampled that no texels outside of the buffer's valid region + * are accessed by the GPU, avoiding any sampling artifacts when scaling. + * * @param mtx the array into which the 4x4 matrix will be stored. The array must have exactly * 16 elements. */ |