API cleanup for renderscript. This will be a multiproject commit.
Change-Id: Ida62d3a155285a20725be9daa62217faef1c3734
diff --git a/graphics/java/android/renderscript/ProgramFragmentFixedFunction.java b/graphics/java/android/renderscript/ProgramFragmentFixedFunction.java
new file mode 100644
index 0000000..d011219
--- /dev/null
+++ b/graphics/java/android/renderscript/ProgramFragmentFixedFunction.java
@@ -0,0 +1,237 @@
+/*
+ * 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 ProgramFragmentFixedFunction extends ProgramFragment {
+ ProgramFragmentFixedFunction(int id, RenderScript rs) {
+ super(id, rs);
+ }
+
+ static class InternalBuilder extends BaseProgramBuilder {
+ public InternalBuilder(RenderScript rs) {
+ super(rs);
+ }
+
+ public ProgramFragmentFixedFunction create() {
+ mRS.validate();
+ int[] tmp = new int[(mInputCount + mOutputCount + mConstantCount + mTextureCount) * 2];
+ int idx = 0;
+
+ for (int i=0; i < mInputCount; i++) {
+ tmp[idx++] = ProgramParam.INPUT.mID;
+ tmp[idx++] = mInputs[i].getID();
+ }
+ for (int i=0; i < mOutputCount; i++) {
+ tmp[idx++] = ProgramParam.OUTPUT.mID;
+ tmp[idx++] = mOutputs[i].getID();
+ }
+ for (int i=0; i < mConstantCount; i++) {
+ tmp[idx++] = ProgramParam.CONSTANT.mID;
+ tmp[idx++] = mConstants[i].getID();
+ }
+ for (int i=0; i < mTextureCount; i++) {
+ tmp[idx++] = ProgramParam.TEXTURE_TYPE.mID;
+ tmp[idx++] = mTextureTypes[i].mID;
+ }
+
+ int id = mRS.nProgramFragmentCreate(mShader, tmp);
+ ProgramFragmentFixedFunction pf = new ProgramFragmentFixedFunction(id, mRS);
+ initProgram(pf);
+ return pf;
+ }
+ }
+
+ public static class Builder {
+ public static final int MAX_TEXTURE = 2;
+ int mNumTextures;
+ boolean mPointSpriteEnable;
+ boolean mVaryingColorEnable;
+ String mShader;
+ RenderScript mRS;
+
+ 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;
+
+ private void buildShaderString() {
+ mShader = "//rs_shader_internal\n";
+ mShader += "varying lowp vec4 varColor;\n";
+ mShader += "varying vec2 varTex0;\n";
+
+ mShader += "void main() {\n";
+ if (mVaryingColorEnable) {
+ mShader += " lowp vec4 col = varColor;\n";
+ } else {
+ mShader += " lowp vec4 col = UNI_Color;\n";
+ }
+
+ if (mNumTextures != 0) {
+ if (mPointSpriteEnable) {
+ mShader += " vec2 t0 = gl_PointCoord;\n";
+ } else {
+ mShader += " vec2 t0 = varTex0.xy;\n";
+ }
+ }
+
+ for(int i = 0; i < mNumTextures; i ++) {
+ switch(mSlots[i].env) {
+ case REPLACE:
+ switch (mSlots[i].format) {
+ case ALPHA:
+ mShader += " col.a = texture2D(UNI_Tex0, t0).a;\n";
+ break;
+ case LUMINANCE_ALPHA:
+ mShader += " col.rgba = texture2D(UNI_Tex0, t0).rgba;\n";
+ break;
+ case RGB:
+ mShader += " col.rgb = texture2D(UNI_Tex0, t0).rgb;\n";
+ break;
+ case RGBA:
+ mShader += " col.rgba = texture2D(UNI_Tex0, t0).rgba;\n";
+ break;
+ }
+ break;
+ case MODULATE:
+ switch (mSlots[i].format) {
+ case ALPHA:
+ mShader += " col.a *= texture2D(UNI_Tex0, t0).a;\n";
+ break;
+ case LUMINANCE_ALPHA:
+ mShader += " col.rgba *= texture2D(UNI_Tex0, t0).rgba;\n";
+ break;
+ case RGB:
+ mShader += " col.rgb *= texture2D(UNI_Tex0, t0).rgb;\n";
+ break;
+ case RGBA:
+ mShader += " col.rgba *= texture2D(UNI_Tex0, t0).rgba;\n";
+ break;
+ }
+ break;
+ case DECAL:
+ mShader += " col = texture2D(UNI_Tex0, t0);\n";
+ break;
+ }
+ }
+
+ mShader += " gl_FragColor = col;\n";
+ mShader += "}\n";
+ }
+
+ 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 ProgramFragmentFixedFunction create() {
+ InternalBuilder sb = new InternalBuilder(mRS);
+ mNumTextures = 0;
+ for(int i = 0; i < MAX_TEXTURE; i ++) {
+ if(mSlots[i] != null) {
+ mNumTextures ++;
+ }
+ }
+ buildShaderString();
+ sb.setShader(mShader);
+
+ Type constType = null;
+ if (!mVaryingColorEnable) {
+ Element.Builder b = new Element.Builder(mRS);
+ b.add(Element.F32_4(mRS), "Color");
+ Type.Builder typeBuilder = new Type.Builder(mRS, b.create());
+ typeBuilder.setX(1);
+ constType = typeBuilder.create();
+ sb.addConstant(constType);
+ }
+ for (int i = 0; i < mNumTextures; i ++) {
+ sb.addTexture(TextureType.TEXTURE_2D);
+ }
+
+ ProgramFragmentFixedFunction pf = sb.create();
+ pf.mTextureCount = MAX_TEXTURE;
+ if (!mVaryingColorEnable) {
+ Allocation constantData = Allocation.createTyped(mRS,constType);
+ float[] data = new float[4];
+ data[0] = data[1] = data[2] = data[3] = 1.0f;
+ constantData.copyFrom(data);
+ pf.bindConstants(constantData, 0);
+ }
+ return pf;
+ }
+ }
+}
+
+
+
+