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-rw-r--r--tests/RenderScriptTests/ImageProcessing2/src/com/android/rs/image/fisheye.rsh58
1 files changed, 0 insertions, 58 deletions
diff --git a/tests/RenderScriptTests/ImageProcessing2/src/com/android/rs/image/fisheye.rsh b/tests/RenderScriptTests/ImageProcessing2/src/com/android/rs/image/fisheye.rsh
deleted file mode 100644
index 2eacb7d..0000000
--- a/tests/RenderScriptTests/ImageProcessing2/src/com/android/rs/image/fisheye.rsh
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * 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.
- */
-
-rs_allocation in_alloc;
-rs_sampler sampler;
-
-static float2 center, neg_center, inv_dimensions, axis_scale;
-static float alpha, radius2, factor;
-
-void init_filter(uint32_t dim_x, uint32_t dim_y, float center_x, float center_y, float k) {
- center.x = center_x;
- center.y = center_y;
- neg_center = -center;
- inv_dimensions.x = 1.f / (float)dim_x;
- inv_dimensions.y = 1.f / (float)dim_y;
- alpha = k * 2.0f + 0.75f;
-
- axis_scale = (float2)1.f;
- if (dim_x > dim_y)
- axis_scale.y = (float)dim_y / (float)dim_x;
- else
- axis_scale.x = (float)dim_x / (float)dim_y;
-
- const float bound2 = 0.25f * (axis_scale.x*axis_scale.x + axis_scale.y*axis_scale.y);
- const float bound = sqrt(bound2);
- const float radius = 1.15f * bound;
- radius2 = radius*radius;
- const float max_radian = M_PI_2 - atan(alpha / bound * sqrt(radius2 - bound2));
- factor = bound / max_radian;
-}
-
-uchar4 __attribute__((kernel)) root(uint32_t x, uint32_t y) {
- // Convert x and y to floating point coordinates with center as origin
- const float2 inCoord = {(float)x, (float)y};
- const float2 coord = mad(inCoord, inv_dimensions, neg_center);
- const float2 scaledCoord = axis_scale * coord;
- const float dist2 = scaledCoord.x*scaledCoord.x + scaledCoord.y*scaledCoord.y;
- const float inv_dist = rsqrt(dist2);
- const float radian = M_PI_2 - atan((alpha * sqrt(radius2 - dist2)) * inv_dist);
- const float scalar = radian * factor * inv_dist;
- const float2 new_coord = mad(coord, scalar, center);
- const float4 fout = rsSample(in_alloc, sampler, new_coord);
- return rsPackColorTo8888(fout);
-}
-