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/*
* Copyright (C) 2008 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.
*/
package android.renderscript;
import android.util.Config;
import android.util.Log;
/**
* @hide
*
**/
public class ProgramFragment extends Program {
ProgramFragment(int id, RenderScript rs) {
super(id, rs);
}
public static class ShaderBuilder extends BaseProgramBuilder {
public ShaderBuilder(RenderScript rs) {
super(rs);
}
public ProgramFragment create() {
mRS.validate();
int[] tmp = new int[(mInputCount + mOutputCount + mConstantCount + 1) * 2];
int idx = 0;
for (int i=0; i < mInputCount; i++) {
tmp[idx++] = 0;
tmp[idx++] = mInputs[i].mID;
}
for (int i=0; i < mOutputCount; i++) {
tmp[idx++] = 1;
tmp[idx++] = mOutputs[i].mID;
}
for (int i=0; i < mConstantCount; i++) {
tmp[idx++] = 2;
tmp[idx++] = mConstants[i].mID;
}
tmp[idx++] = 3;
tmp[idx++] = mTextureCount;
int id = mRS.nProgramFragmentCreate2(mShader, tmp);
ProgramFragment pf = new ProgramFragment(id, mRS);
initProgram(pf);
return pf;
}
}
public static class Builder {
public static final int MAX_TEXTURE = 2;
RenderScript mRS;
boolean mPointSpriteEnable;
boolean mVaryingColorEnable;
public enum EnvMode {
REPLACE (1),
MODULATE (2),
DECAL (3);
int mID;
EnvMode(int id) {
mID = id;
}
}
public enum Format {
ALPHA (1),
LUMINANCE_ALPHA (2),
RGB (3),
RGBA (4);
int mID;
Format(int id) {
mID = id;
}
}
private class Slot {
EnvMode env;
Format format;
Slot(EnvMode _env, Format _fmt) {
env = _env;
format = _fmt;
}
}
Slot[] mSlots;
public Builder(RenderScript rs) {
mRS = rs;
mSlots = new Slot[MAX_TEXTURE];
mPointSpriteEnable = false;
}
public Builder setTexture(EnvMode env, Format fmt, int slot)
throws IllegalArgumentException {
if((slot < 0) || (slot >= MAX_TEXTURE)) {
throw new IllegalArgumentException("MAX_TEXTURE exceeded.");
}
mSlots[slot] = new Slot(env, fmt);
return this;
}
public Builder setPointSpriteTexCoordinateReplacement(boolean enable) {
mPointSpriteEnable = enable;
return this;
}
public Builder setVaryingColor(boolean enable) {
mVaryingColorEnable = enable;
return this;
}
public ProgramFragment create() {
mRS.validate();
int[] tmp = new int[MAX_TEXTURE * 2 + 2];
if (mSlots[0] != null) {
tmp[0] = mSlots[0].env.mID;
tmp[1] = mSlots[0].format.mID;
}
if (mSlots[1] != null) {
tmp[2] = mSlots[1].env.mID;
tmp[3] = mSlots[1].format.mID;
}
tmp[4] = mPointSpriteEnable ? 1 : 0;
tmp[5] = mVaryingColorEnable ? 1 : 0;
int id = mRS.nProgramFragmentCreate(tmp);
ProgramFragment pf = new ProgramFragment(id, mRS);
pf.mTextureCount = MAX_TEXTURE;
return pf;
}
}
}
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