Port ImageProcessing to Filterscript.
This enables testing of the Filterscript front-end for llvm-rs-cc.
Bug: 7166741
Change-Id: I90bda9d2710c6652336a8c112b5654c5da3d14e4
diff --git a/tests/RenderScriptTests/ImageProcessing/src/com/android/rs/image/grain.fs b/tests/RenderScriptTests/ImageProcessing/src/com/android/rs/image/grain.fs
new file mode 100644
index 0000000..4ae095d
--- /dev/null
+++ b/tests/RenderScriptTests/ImageProcessing/src/com/android/rs/image/grain.fs
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma version(1)
+#pragma rs java_package_name(com.android.rs.image)
+#pragma rs_fp_relaxed
+
+uchar __attribute__((kernel)) genRand() {
+ return (uchar)rsRand(0xff);
+}
+
+/*
+ * Convolution matrix of distance 2 with fixed point of 'kShiftBits' bits
+ * shifted. Thus the sum of this matrix should be 'kShiftValue'. Entries of
+ * small values are not calculated to gain efficiency.
+ * The order ot pixels represented in this matrix is:
+ * 1 2 3
+ * 4 0 5
+ * 6 7 8
+ * and the matrix should be: {230, 56, 114, 56, 114, 114, 56, 114, 56}.
+ * However, since most of the valus are identical, we only use the first three
+ * entries and the entries corresponding to the pixels is:
+ * 1 2 1
+ * 2 0 2
+ * 1 2 1
+ */
+
+int32_t gWMask;
+int32_t gHMask;
+
+rs_allocation gBlendSource;
+uchar __attribute__((kernel)) blend9(uint32_t x, uint32_t y) {
+ uint32_t x1 = (x-1) & gWMask;
+ uint32_t x2 = (x+1) & gWMask;
+ uint32_t y1 = (y-1) & gHMask;
+ uint32_t y2 = (y+1) & gHMask;
+
+ uint p00 = 56 * rsGetElementAt_uchar(gBlendSource, x1, y1);
+ uint p01 = 114 * rsGetElementAt_uchar(gBlendSource, x, y1);
+ uint p02 = 56 * rsGetElementAt_uchar(gBlendSource, x2, y1);
+ uint p10 = 114 * rsGetElementAt_uchar(gBlendSource, x1, y);
+ uint p11 = 230 * rsGetElementAt_uchar(gBlendSource, x, y);
+ uint p12 = 114 * rsGetElementAt_uchar(gBlendSource, x2, y);
+ uint p20 = 56 * rsGetElementAt_uchar(gBlendSource, x1, y2);
+ uint p21 = 114 * rsGetElementAt_uchar(gBlendSource, x, y2);
+ uint p22 = 56 * rsGetElementAt_uchar(gBlendSource, x2, y2);
+
+ p00 += p01;
+ p02 += p10;
+ p11 += p12;
+ p20 += p21;
+
+ p22 += p00;
+ p02 += p11;
+
+ p20 += p22;
+ p20 += p02;
+
+ p20 = min(p20 >> 10, (uint)255);
+ return (uchar)p20;
+}
+
+float gNoiseStrength;
+
+rs_allocation gNoise;
+uchar4 __attribute__((kernel)) root(uchar4 in, uint32_t x, uint32_t y) {
+ float4 ip = convert_float4(in);
+ float pnoise = (float) rsGetElementAt_uchar(gNoise, x & gWMask, y & gHMask);
+
+ float energy_level = ip.r + ip.g + ip.b;
+ float energy_mask = (28.f - sqrt(energy_level)) * 0.03571f;
+ pnoise = (pnoise - 128.f) * energy_mask;
+
+ ip += pnoise * gNoiseStrength;
+ ip = clamp(ip, 0.f, 255.f);
+
+ uchar4 p = convert_uchar4(ip);
+ p.a = 0xff;
+ return p;
+}