LomoishFilter.java revision 65953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9
1b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier/*
2b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier * Copyright (C) 2011 The Android Open Source Project
3b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier *
4b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier * Licensed under the Apache License, Version 2.0 (the "License");
5b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier * you may not use this file except in compliance with the License.
6b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier * You may obtain a copy of the License at
7b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier *
8b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier *      http://www.apache.org/licenses/LICENSE-2.0
9b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier *
10b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier * Unless required by applicable law or agreed to in writing, software
11b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier * distributed under the License is distributed on an "AS IS" BASIS,
12b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier * See the License for the specific language governing permissions and
14b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier * limitations under the License.
15b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier */
16b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier
17fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrompackage android.filterpacks.imageproc;
18fc0e3219edc9a5bf81b166e82fd5db2796eb6a0dBrian Carlstrom
192dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersimport android.filterfw.core.Filter;
20700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogersimport android.filterfw.core.FilterContext;
21700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogersimport android.filterfw.core.Frame;
22700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogersimport android.filterfw.core.FrameFormat;
23700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogersimport android.filterfw.core.GenerateFieldPort;
24700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogersimport android.filterfw.core.KeyValueMap;
25700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogersimport android.filterfw.core.NativeProgram;
26719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogersimport android.filterfw.core.NativeFrame;
270a9dc05e704bfd033bac2aa38a4fc6f6b8e6cf93Mathieu Chartierimport android.filterfw.core.Program;
282dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersimport android.filterfw.core.ShaderProgram;
2983c8ee000d525017ead8753fce6bc1020249b96aMathieu Chartierimport android.filterfw.format.ImageFormat;
30b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier
31b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartierimport java.util.Random;
321d54e73444e017d3a65234e0f193846f3e27472bIan Rogers
332dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogerspublic class LomoishFilter extends Filter {
341d54e73444e017d3a65234e0f193846f3e27472bIan Rogers
352dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers    @GenerateFieldPort(name = "tile_size", hasDefault = true)
36576ca0cd692c0b6ae70e776de91015b8ff000a08Ian Rogers    private int mTileSize = 640;
37b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier
381d54e73444e017d3a65234e0f193846f3e27472bIan Rogers    private Program mProgram;
391d54e73444e017d3a65234e0f193846f3e27472bIan Rogers
401d54e73444e017d3a65234e0f193846f3e27472bIan Rogers    private int mWidth = 0;
41a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier    private int mHeight = 0;
42b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier    private int mTarget = FrameFormat.TARGET_UNSPECIFIED;
43b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier
442dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers    private Frame mNoiseFrame;
452dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers    private Random mRandom;
46b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier
4731e8925781c2302f1d1a9b39e216ba415bfe0d7eMathieu Chartier    private final String mLomoishShader =
48b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "precision mediump float;\n" +
49b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "uniform sampler2D tex_sampler_0;\n" +
50b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "uniform sampler2D tex_sampler_1;\n" +
5131e8925781c2302f1d1a9b39e216ba415bfe0d7eMathieu Chartier            "uniform float stepsizeX;\n" +
5231e8925781c2302f1d1a9b39e216ba415bfe0d7eMathieu Chartier            "uniform float stepsizeY;\n" +
5331e8925781c2302f1d1a9b39e216ba415bfe0d7eMathieu Chartier            "uniform float stepsize;\n" +
5431e8925781c2302f1d1a9b39e216ba415bfe0d7eMathieu Chartier            "uniform vec2 center;\n" +
5531e8925781c2302f1d1a9b39e216ba415bfe0d7eMathieu Chartier            "uniform float inv_max_dist;\n" +
5631e8925781c2302f1d1a9b39e216ba415bfe0d7eMathieu Chartier            "varying vec2 v_texcoord;\n" +
5722d5e735f403c57525fe868304c7123f0ce66399Ian Rogers            "void main() {\n" +
58b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            // sharpen
59b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  vec3 nbr_color = vec3(0.0, 0.0, 0.0);\n" +
60b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  vec2 coord;\n" +
61b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  vec4 color = texture2D(tex_sampler_0, v_texcoord);\n" +
62be2a1df15a31a5223ee9af3015a00c31d2ad2e10Ian Rogers            "  coord.x = v_texcoord.x - 0.5 * stepsizeX;\n" +
631d54e73444e017d3a65234e0f193846f3e27472bIan Rogers            "  coord.y = v_texcoord.y - stepsizeY;\n" +
64b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  nbr_color += texture2D(tex_sampler_0, coord).rgb - color.rgb;\n" +
65b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  coord.x = v_texcoord.x - stepsizeX;\n" +
666f365cc033654a5a3b45eaa1379d4b5f156b0ceeMathieu Chartier            "  coord.y = v_texcoord.y + 0.5 * stepsizeY;\n" +
67be2a1df15a31a5223ee9af3015a00c31d2ad2e10Ian Rogers            "  nbr_color += texture2D(tex_sampler_0, coord).rgb - color.rgb;\n" +
686f365cc033654a5a3b45eaa1379d4b5f156b0ceeMathieu Chartier            "  coord.x = v_texcoord.x + stepsizeX;\n" +
69b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  coord.y = v_texcoord.y - 0.5 * stepsizeY;\n" +
70b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  nbr_color += texture2D(tex_sampler_0, coord).rgb - color.rgb;\n" +
71cb8aea4bd5e77857c713edeb62bffcb1f7f06a39Andreas Gampe            "  coord.x = v_texcoord.x + stepsizeX;\n" +
72be2a1df15a31a5223ee9af3015a00c31d2ad2e10Ian Rogers            "  coord.y = v_texcoord.y + 0.5 * stepsizeY;\n" +
73cb8aea4bd5e77857c713edeb62bffcb1f7f06a39Andreas Gampe            "  nbr_color += texture2D(tex_sampler_0, coord).rgb - color.rgb;\n" +
74b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  vec3 s_color = vec3(color.rgb + 0.3 * nbr_color);\n" +
75b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            // cross process
76a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier            "  vec3 c_color = vec3(0.0, 0.0, 0.0);\n" +
77a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier            "  float value;\n" +
78b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  if (s_color.r < 0.5) {\n" +
79b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "    value = s_color.r;\n" +
80a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier            "  } else {\n" +
81a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier            "    value = 1.0 - s_color.r;\n" +
8202b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier            "  }\n" +
8302b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier            "  float red = 4.0 * value * value * value;\n" +
8402b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier            "  if (s_color.r < 0.5) {\n" +
852dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers            "    c_color.r = red;\n" +
86b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  } else {\n" +
871d54e73444e017d3a65234e0f193846f3e27472bIan Rogers            "    c_color.r = 1.0 - red;\n" +
88b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  }\n" +
89b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  if (s_color.g < 0.5) {\n" +
902dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers            "    value = s_color.g;\n" +
91b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  } else {\n" +
92506de0cfe98c10b908d2ddb119bbb201542cbfcdIan Rogers            "    value = 1.0 - s_color.g;\n" +
93506de0cfe98c10b908d2ddb119bbb201542cbfcdIan Rogers            "  }\n" +
94506de0cfe98c10b908d2ddb119bbb201542cbfcdIan Rogers            "  float green = 2.0 * value * value;\n" +
95506de0cfe98c10b908d2ddb119bbb201542cbfcdIan Rogers            "  if (s_color.g < 0.5) {\n" +
96506de0cfe98c10b908d2ddb119bbb201542cbfcdIan Rogers            "    c_color.g = green;\n" +
97cbd6d44c0a94f3d26671b5325aa21bbf1335ffe8buzbee            "  } else {\n" +
98506de0cfe98c10b908d2ddb119bbb201542cbfcdIan Rogers            "    c_color.g = 1.0 - green;\n" +
99506de0cfe98c10b908d2ddb119bbb201542cbfcdIan Rogers            "  }\n" +
100506de0cfe98c10b908d2ddb119bbb201542cbfcdIan Rogers            "  c_color.b = s_color.b * 0.5 + 0.25;\n" +
101b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            // blackwhite
10283c8ee000d525017ead8753fce6bc1020249b96aMathieu Chartier            "  float dither = texture2D(tex_sampler_1, v_texcoord).r;\n" +
103b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  vec3 xform = clamp((c_color.rgb - 0.15) * 1.53846, 0.0, 1.0);\n" +
104b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  vec3 temp = clamp((color.rgb + stepsize - 0.15) * 1.53846, 0.0, 1.0);\n" +
105b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  vec3 bw_color = clamp(xform + (temp - xform) * (dither - 0.5), 0.0, 1.0);\n" +
106b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            // vignette
107b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  float dist = distance(gl_FragCoord.xy, center);\n" +
108b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  float lumen = 0.85 / (1.0 + exp((dist * inv_max_dist - 0.73) * 20.0)) + 0.15;\n" +
109b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            "  gl_FragColor = vec4(bw_color * lumen, color.a);\n" +
110df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom            "}\n";
111b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier
112b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier    public LomoishFilter(String name) {
113b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier        super(name);
114b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier
115b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier        mRandom = new Random();
116b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier    }
117b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier
118b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier    @Override
119df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom    public void setupPorts() {
1202dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers        addMaskedInputPort("image", ImageFormat.create(ImageFormat.COLORSPACE_RGBA));
121b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier        addOutputBasedOnInput("image", "image");
122b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier    }
123b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier
124e9ea70bb806f7c1dcd57efb6f48f1d6329d5f103Mathieu Chartier    @Override
125e9ea70bb806f7c1dcd57efb6f48f1d6329d5f103Mathieu Chartier    public FrameFormat getOutputFormat(String portName, FrameFormat inputFormat) {
126e9ea70bb806f7c1dcd57efb6f48f1d6329d5f103Mathieu Chartier        return inputFormat;
127184e322fe8ddd75c844a1eb2eb1ca32bc02f2d45Mathieu Chartier    }
128184e322fe8ddd75c844a1eb2eb1ca32bc02f2d45Mathieu Chartier
129e9ea70bb806f7c1dcd57efb6f48f1d6329d5f103Mathieu Chartier    @Override
130b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier    public void tearDown(FilterContext context) {
131a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier        if (mNoiseFrame != null) {
132a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier            mNoiseFrame.release();
13383c8ee000d525017ead8753fce6bc1020249b96aMathieu Chartier            mNoiseFrame = null;
134b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers        }
135b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier    }
136a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier
137a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier    public void initProgram(FilterContext context, int target) {
13883c8ee000d525017ead8753fce6bc1020249b96aMathieu Chartier        switch (target) {
1392dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers            case FrameFormat.TARGET_GPU:
140b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier                ShaderProgram shaderProgram = new ShaderProgram(context, mLomoishShader);
141a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier                shaderProgram.setMaximumTileSize(mTileSize);
142a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier                mProgram = shaderProgram;
143a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier                break;
144184e322fe8ddd75c844a1eb2eb1ca32bc02f2d45Mathieu Chartier
145184e322fe8ddd75c844a1eb2eb1ca32bc02f2d45Mathieu Chartier            default:
146b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier                throw new RuntimeException("Filter Sharpen does not support frames of " +
147357e9be24c17a6bc2ae9fb53f25c73503116101dMathieu Chartier                    "target " + target + "!");
148357e9be24c17a6bc2ae9fb53f25c73503116101dMathieu Chartier        }
149cc236d74772dda5a4161d9bc5f497fd3d956eb87Mathieu Chartier        mTarget = target;
150cb8aea4bd5e77857c713edeb62bffcb1f7f06a39Andreas Gampe    }
151cc236d74772dda5a4161d9bc5f497fd3d956eb87Mathieu Chartier
152cc236d74772dda5a4161d9bc5f497fd3d956eb87Mathieu Chartier    private void initParameters() {
153cc236d74772dda5a4161d9bc5f497fd3d956eb87Mathieu Chartier        if (mProgram !=null) {
154cc236d74772dda5a4161d9bc5f497fd3d956eb87Mathieu Chartier            float centerX = (float) (0.5 * mWidth);
155cc236d74772dda5a4161d9bc5f497fd3d956eb87Mathieu Chartier            float centerY = (float) (0.5 * mHeight);
156cc236d74772dda5a4161d9bc5f497fd3d956eb87Mathieu Chartier            float center[] = {centerX, centerY};
157cc236d74772dda5a4161d9bc5f497fd3d956eb87Mathieu Chartier            float max_dist = (float) Math.sqrt(centerX * centerX + centerY * centerY);
158cc236d74772dda5a4161d9bc5f497fd3d956eb87Mathieu Chartier
159cc236d74772dda5a4161d9bc5f497fd3d956eb87Mathieu Chartier            mProgram.setHostValue("center", center);
1606f365cc033654a5a3b45eaa1379d4b5f156b0ceeMathieu Chartier            mProgram.setHostValue("inv_max_dist", 1.0f / max_dist);
1616f365cc033654a5a3b45eaa1379d4b5f156b0ceeMathieu Chartier
162cc236d74772dda5a4161d9bc5f497fd3d956eb87Mathieu Chartier            mProgram.setHostValue("stepsize", 1.0f / 255.0f);
163cc236d74772dda5a4161d9bc5f497fd3d956eb87Mathieu Chartier            mProgram.setHostValue("stepsizeX", 1.0f / mWidth);
164dcf8d7283bd51714f3faa55b631ae4103dc98b51Mathieu Chartier            mProgram.setHostValue("stepsizeY", 1.0f / mHeight);
165cc236d74772dda5a4161d9bc5f497fd3d956eb87Mathieu Chartier        }
166cc236d74772dda5a4161d9bc5f497fd3d956eb87Mathieu Chartier    }
167cc236d74772dda5a4161d9bc5f497fd3d956eb87Mathieu Chartier
168dcf8d7283bd51714f3faa55b631ae4103dc98b51Mathieu Chartier    @Override
1696f365cc033654a5a3b45eaa1379d4b5f156b0ceeMathieu Chartier    public void process(FilterContext context) {
1706f365cc033654a5a3b45eaa1379d4b5f156b0ceeMathieu Chartier        // Get input frame
171dcf8d7283bd51714f3faa55b631ae4103dc98b51Mathieu Chartier        Frame input = pullInput("image");
172dcf8d7283bd51714f3faa55b631ae4103dc98b51Mathieu Chartier        FrameFormat inputFormat = input.getFormat();
173dcf8d7283bd51714f3faa55b631ae4103dc98b51Mathieu Chartier
174dcf8d7283bd51714f3faa55b631ae4103dc98b51Mathieu Chartier        // Create program if not created already
175cc236d74772dda5a4161d9bc5f497fd3d956eb87Mathieu Chartier        if (mProgram == null || inputFormat.getTarget() != mTarget) {
176a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier            initProgram(context, inputFormat.getTarget());
177a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier        }
178a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier
179a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier        // Check if the frame size has changed
180a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier        if (inputFormat.getWidth() != mWidth || inputFormat.getHeight() != mHeight) {
181a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier            mWidth = inputFormat.getWidth();
182a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier            mHeight = inputFormat.getHeight();
183357e9be24c17a6bc2ae9fb53f25c73503116101dMathieu Chartier
184576ca0cd692c0b6ae70e776de91015b8ff000a08Ian Rogers            int[] buffer = new int[mWidth * mHeight];
1851d54e73444e017d3a65234e0f193846f3e27472bIan Rogers            for (int i = 0; i < mWidth * mHeight; ++i) {
1862dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers              buffer[i] = mRandom.nextInt(255);
18702b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier            }
18802b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier            FrameFormat format = ImageFormat.create(mWidth, mHeight,
18902b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier                                                    ImageFormat.COLORSPACE_RGBA,
19002b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier                                                    FrameFormat.TARGET_GPU);
19102b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier            if (mNoiseFrame != null) {
1920cd7ec2dcd8d7ba30bf3ca420b40dac52849876cBrian Carlstrom                mNoiseFrame.release();
193b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            }
194b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            mNoiseFrame = context.getFrameManager().newFrame(format);
195b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier            mNoiseFrame.setInts(buffer);
196cb8aea4bd5e77857c713edeb62bffcb1f7f06a39Andreas Gampe
197bbd695c71e0bf518f582e84524e1cdeb3de3896cMathieu Chartier            initParameters();
198b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier        }
19973d1e17b3afc7d5e56184f90bf819dc64956448aMathieu Chartier
20073d1e17b3afc7d5e56184f90bf819dc64956448aMathieu Chartier        if (mNoiseFrame != null && (mNoiseFrame.getFormat().getWidth() != mWidth ||
20173d1e17b3afc7d5e56184f90bf819dc64956448aMathieu Chartier                                    mNoiseFrame.getFormat().getHeight() != mHeight)) {
202a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier            throw new RuntimeException("Random map and imput image size mismatch!");
203a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier        }
204a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier
205a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier        // Create output frame
206a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier        Frame output = context.getFrameManager().newFrame(inputFormat);
207a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier
208a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier        // Process
209a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier        Frame[] inputs = {input, mNoiseFrame};
210a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier        mProgram.process(inputs, output);
211a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier
212a8e8f9c0a8e259a807d7b99a148d14104c24209dMathieu Chartier        // Push output
213b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier        pushOutput("image", output);
214b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier
215700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers        // Release pushed frame
216b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier        output.release();
217b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier    }
218cb8aea4bd5e77857c713edeb62bffcb1f7f06a39Andreas Gampe}
219b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier