rs/java/android/renderscript/ProgramVertexFixedFunction.java - platform/frameworks/base - Git at Google

 /*
  * Copyright (C) 2008-2012 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.
  */

 package android.renderscript;

 import android.annotation.UnsupportedAppUsage;


 /**
  * @hide
  * @deprecated in API 16
  * ProgramVertexFixedFunction is a helper class that provides a
  * simple way to create a fixed function emulation vertex shader
  * without writing any GLSL code.
  *
  **/
 public class ProgramVertexFixedFunction extends ProgramVertex {

     ProgramVertexFixedFunction(long id, RenderScript rs) {
         super(id, rs);
     }

     /**
      * @deprecated in API 16
      * Binds the constant buffer containing fixed function emulation
      * matrices
      *
      * @param va allocation containing fixed function matrices
      */
     @UnsupportedAppUsage
     public void bindConstants(Constants va) {
         mRS.validate();
         bindConstants(va.getAllocation(), 0);
     }

     static class InternalBuilder extends BaseProgramBuilder {
         /**
          * @deprecated in API 16
          */
         public InternalBuilder(RenderScript rs) {
             super(rs);
         }

         /**
          * @deprecated in API 16
          */
         public InternalBuilder addInput(Element e) throws IllegalStateException {
             // Should check for consistant and non-conflicting names...
             if(mInputCount >= MAX_INPUT) {
                 throw new RSIllegalArgumentException("Max input count exceeded.");
             }
             if (e.isComplex()) {
                 throw new RSIllegalArgumentException("Complex elements not allowed.");
             }
             mInputs[mInputCount++] = e;
             return this;
         }

         /**
          * @deprecated in API 16
          * Creates ProgramVertexFixedFunction from the current state of
          * the builder
          *
          * @return  ProgramVertexFixedFunction
          */
         public ProgramVertexFixedFunction create() {
             mRS.validate();
             long[] tmp = new long[(mInputCount + mOutputCount + mConstantCount + mTextureCount) * 2];
             String[] texNames = new String[mTextureCount];
             int idx = 0;

             for (int i=0; i < mInputCount; i++) {
                 tmp[idx++] = ProgramParam.INPUT.mID;
                 tmp[idx++] = mInputs[i].getID(mRS);
             }
             for (int i=0; i < mOutputCount; i++) {
                 tmp[idx++] = ProgramParam.OUTPUT.mID;
                 tmp[idx++] = mOutputs[i].getID(mRS);
             }
             for (int i=0; i < mConstantCount; i++) {
                 tmp[idx++] = ProgramParam.CONSTANT.mID;
                 tmp[idx++] = mConstants[i].getID(mRS);
             }
             for (int i=0; i < mTextureCount; i++) {
                 tmp[idx++] = ProgramParam.TEXTURE_TYPE.mID;
                 tmp[idx++] = mTextureTypes[i].mID;
                 texNames[i] = mTextureNames[i];
             }

             long id = mRS.nProgramVertexCreate(mShader, texNames, tmp);
             ProgramVertexFixedFunction pv = new ProgramVertexFixedFunction(id, mRS);
             initProgram(pv);
             return pv;
         }
     }

     /**
      * @deprecated in API 16
      */
     public static class Builder {
         boolean mTextureMatrixEnable;
         String mShader;
         RenderScript mRS;

         /**
          * @deprecated in API 16
          * Creates a builder for fixed function vertex program
          *
          * @param rs Context to which the program will belong.
          */
         @UnsupportedAppUsage
         public Builder(RenderScript rs) {
             mRS = rs;
         }

         /**
          * @deprecated in API 16
          * Specifies whether texture matrix calculations are to be added
          * to the shader
          *
          */
         public Builder setTextureMatrixEnable(boolean enable) {
             mTextureMatrixEnable = enable;
             return this;
         }
         static Type getConstantInputType(RenderScript rs) {
             Element.Builder b = new Element.Builder(rs);
             b.add(Element.MATRIX4X4(rs), "MV");
             b.add(Element.MATRIX4X4(rs), "P");
             b.add(Element.MATRIX4X4(rs), "TexMatrix");
             b.add(Element.MATRIX4X4(rs), "MVP");

             Type.Builder typeBuilder = new Type.Builder(rs, b.create());
             typeBuilder.setX(1);
             return typeBuilder.create();
         }

         private void buildShaderString() {

             mShader  = "//rs_shader_internal\n";
             mShader += "varying vec4 varColor;\n";
             mShader += "varying vec2 varTex0;\n";

             mShader += "void main() {\n";
             mShader += "  gl_Position = UNI_MVP * ATTRIB_position;\n";
             mShader += "  gl_PointSize = 1.0;\n";

             mShader += "  varColor = ATTRIB_color;\n";
             if (mTextureMatrixEnable) {
                 mShader += "  varTex0 = (UNI_TexMatrix * vec4(ATTRIB_texture0, 0.0, 1.0)).xy;\n";
             } else {
                 mShader += "  varTex0 = ATTRIB_texture0;\n";
             }
             mShader += "}\n";
         }

         /**
          * @deprecated in API 16
          * Creates ProgramVertexFixedFunction from the current state of
          * the builder
          *
          * @return Fixed function emulation ProgramVertex
          */
         @UnsupportedAppUsage
         public ProgramVertexFixedFunction create() {
             buildShaderString();

             InternalBuilder sb = new InternalBuilder(mRS);
             sb.setShader(mShader);
             sb.addConstant(getConstantInputType(mRS));

             Element.Builder b = new Element.Builder(mRS);
             b.add(Element.F32_4(mRS), "position");
             b.add(Element.F32_4(mRS), "color");
             b.add(Element.F32_3(mRS), "normal");
             b.add(Element.F32_2(mRS), "texture0");
             sb.addInput(b.create());

             return sb.create();
         }
     }

     /**
      * @deprecated in API 16
      * Helper class to store modelview, projection and texture
      * matrices for ProgramVertexFixedFunction
      *
      */
     public static class Constants {
         static final int MODELVIEW_OFFSET = 0;
         static final int PROJECTION_OFFSET = 16;
         static final int TEXTURE_OFFSET = 32;

         Matrix4f mModel;
         Matrix4f mProjection;
         Matrix4f mTexture;

         Allocation mAlloc;
         Allocation getAllocation() {
             return mAlloc;
         }
         private FieldPacker mIOBuffer;

         /**
         * @deprecated in API 16
         * Creates a buffer to store fixed function emulation matrices
         *
         * @param rs Context to which the allocation will belong.
         **/
         @UnsupportedAppUsage
         public Constants(RenderScript rs) {
             Type constInputType = ProgramVertexFixedFunction.Builder.getConstantInputType(rs);
             mAlloc = Allocation.createTyped(rs, constInputType);
             int bufferSize = constInputType.getElement().getBytesSize()*
                              constInputType.getCount();
             mIOBuffer = new FieldPacker(bufferSize);
             mModel = new Matrix4f();
             mProjection = new Matrix4f();
             mTexture = new Matrix4f();
             setModelview(new Matrix4f());
             setProjection(new Matrix4f());
             setTexture(new Matrix4f());
         }

         /**
         * @deprecated in API 16
         * Forces deallocation of memory backing the contant matrices.
         * Normally, this is unnecessary and will be garbage collected
         *
         */
         public void destroy() {
             mAlloc.destroy();
             mAlloc = null;
         }

         private void addToBuffer(int offset, Matrix4f m) {
             mIOBuffer.reset(offset);
             for(int i = 0; i < 16; i ++) {
                 mIOBuffer.addF32(m.mMat[i]);
             }
             // Reset the buffer back to the end, since we want to flush all of
             // the contents back (and not just what we wrote now).
             mIOBuffer.reset(mIOBuffer.getData().length);
             mAlloc.setFromFieldPacker(0, mIOBuffer);
         }

         /**
         * @deprecated in API 16
         * Sets the modelview matrix in the fixed function matrix buffer
         *
         * @param m modelview matrix
         */
         public void setModelview(Matrix4f m) {
             mModel.load(m);
             addToBuffer(MODELVIEW_OFFSET*4, m);
         }

         /**
         * @deprecated in API 16
         * Sets the projection matrix in the fixed function matrix buffer
         *
         * @param m projection matrix
         */
         @UnsupportedAppUsage
         public void setProjection(Matrix4f m) {
             mProjection.load(m);
             addToBuffer(PROJECTION_OFFSET*4, m);
         }

         /**
         * @deprecated in API 16
         * Sets the texture matrix in the fixed function matrix buffer.
         * Texture matrix must be enabled in the
         * ProgramVertexFixedFunction builder for the shader to utilize
         * it.
         *
         * @param m modelview matrix
         */
         public void setTexture(Matrix4f m) {
             mTexture.load(m);
             addToBuffer(TEXTURE_OFFSET*4, m);
         }
     }
 }
	/*
	* Copyright (C) 2008-2012 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.
	*/

	package android.renderscript;

	import android.annotation.UnsupportedAppUsage;


	/**
	* @hide
	* @deprecated in API 16
	* ProgramVertexFixedFunction is a helper class that provides a
	* simple way to create a fixed function emulation vertex shader
	* without writing any GLSL code.
	*
	**/
	public class ProgramVertexFixedFunction extends ProgramVertex {

	ProgramVertexFixedFunction(long id, RenderScript rs) {
	super(id, rs);
	}

	/**
	* @deprecated in API 16
	* Binds the constant buffer containing fixed function emulation
	* matrices
	*
	* @param va allocation containing fixed function matrices
	*/
	@UnsupportedAppUsage
	public void bindConstants(Constants va) {
	mRS.validate();
	bindConstants(va.getAllocation(), 0);
	}

	static class InternalBuilder extends BaseProgramBuilder {
	/**
	* @deprecated in API 16
	*/
	public InternalBuilder(RenderScript rs) {
	super(rs);
	}

	/**
	* @deprecated in API 16
	*/
	public InternalBuilder addInput(Element e) throws IllegalStateException {
	// Should check for consistant and non-conflicting names...
	if(mInputCount >= MAX_INPUT) {
	throw new RSIllegalArgumentException("Max input count exceeded.");
	}
	if (e.isComplex()) {
	throw new RSIllegalArgumentException("Complex elements not allowed.");
	}
	mInputs[mInputCount++] = e;
	return this;
	}

	/**
	* @deprecated in API 16
	* Creates ProgramVertexFixedFunction from the current state of
	* the builder
	*
	* @return ProgramVertexFixedFunction
	*/
	public ProgramVertexFixedFunction create() {
	mRS.validate();
	long[] tmp = new long[(mInputCount + mOutputCount + mConstantCount + mTextureCount) * 2];
	String[] texNames = new String[mTextureCount];
	int idx = 0;

	for (int i=0; i < mInputCount; i++) {
	tmp[idx++] = ProgramParam.INPUT.mID;
	tmp[idx++] = mInputs[i].getID(mRS);
	}
	for (int i=0; i < mOutputCount; i++) {
	tmp[idx++] = ProgramParam.OUTPUT.mID;
	tmp[idx++] = mOutputs[i].getID(mRS);
	}
	for (int i=0; i < mConstantCount; i++) {
	tmp[idx++] = ProgramParam.CONSTANT.mID;
	tmp[idx++] = mConstants[i].getID(mRS);
	}
	for (int i=0; i < mTextureCount; i++) {
	tmp[idx++] = ProgramParam.TEXTURE_TYPE.mID;
	tmp[idx++] = mTextureTypes[i].mID;
	texNames[i] = mTextureNames[i];
	}

	long id = mRS.nProgramVertexCreate(mShader, texNames, tmp);
	ProgramVertexFixedFunction pv = new ProgramVertexFixedFunction(id, mRS);
	initProgram(pv);
	return pv;
	}
	}

	/**
	* @deprecated in API 16
	*/
	public static class Builder {
	boolean mTextureMatrixEnable;
	String mShader;
	RenderScript mRS;

	/**
	* @deprecated in API 16
	* Creates a builder for fixed function vertex program
	*
	* @param rs Context to which the program will belong.
	*/
	@UnsupportedAppUsage
	public Builder(RenderScript rs) {
	mRS = rs;
	}

	/**
	* @deprecated in API 16
	* Specifies whether texture matrix calculations are to be added
	* to the shader
	*
	*/
	public Builder setTextureMatrixEnable(boolean enable) {
	mTextureMatrixEnable = enable;
	return this;
	}
	static Type getConstantInputType(RenderScript rs) {
	Element.Builder b = new Element.Builder(rs);
	b.add(Element.MATRIX4X4(rs), "MV");
	b.add(Element.MATRIX4X4(rs), "P");
	b.add(Element.MATRIX4X4(rs), "TexMatrix");
	b.add(Element.MATRIX4X4(rs), "MVP");

	Type.Builder typeBuilder = new Type.Builder(rs, b.create());
	typeBuilder.setX(1);
	return typeBuilder.create();
	}

	private void buildShaderString() {

	mShader = "//rs_shader_internal\n";
	mShader += "varying vec4 varColor;\n";
	mShader += "varying vec2 varTex0;\n";

	mShader += "void main() {\n";
	mShader += " gl_Position = UNI_MVP * ATTRIB_position;\n";
	mShader += " gl_PointSize = 1.0;\n";

	mShader += " varColor = ATTRIB_color;\n";
	if (mTextureMatrixEnable) {
	mShader += " varTex0 = (UNI_TexMatrix * vec4(ATTRIB_texture0, 0.0, 1.0)).xy;\n";
	} else {
	mShader += " varTex0 = ATTRIB_texture0;\n";
	}
	mShader += "}\n";
	}

	/**
	* @deprecated in API 16
	* Creates ProgramVertexFixedFunction from the current state of
	* the builder
	*
	* @return Fixed function emulation ProgramVertex
	*/
	@UnsupportedAppUsage
	public ProgramVertexFixedFunction create() {
	buildShaderString();

	InternalBuilder sb = new InternalBuilder(mRS);
	sb.setShader(mShader);
	sb.addConstant(getConstantInputType(mRS));

	Element.Builder b = new Element.Builder(mRS);
	b.add(Element.F32_4(mRS), "position");
	b.add(Element.F32_4(mRS), "color");
	b.add(Element.F32_3(mRS), "normal");
	b.add(Element.F32_2(mRS), "texture0");
	sb.addInput(b.create());

	return sb.create();
	}
	}

	/**
	* @deprecated in API 16
	* Helper class to store modelview, projection and texture
	* matrices for ProgramVertexFixedFunction
	*
	*/
	public static class Constants {
	static final int MODELVIEW_OFFSET = 0;
	static final int PROJECTION_OFFSET = 16;
	static final int TEXTURE_OFFSET = 32;

	Matrix4f mModel;
	Matrix4f mProjection;
	Matrix4f mTexture;

	Allocation mAlloc;
	Allocation getAllocation() {
	return mAlloc;
	}
	private FieldPacker mIOBuffer;

	/**
	* @deprecated in API 16
	* Creates a buffer to store fixed function emulation matrices
	*
	* @param rs Context to which the allocation will belong.
	**/
	@UnsupportedAppUsage
	public Constants(RenderScript rs) {
	Type constInputType = ProgramVertexFixedFunction.Builder.getConstantInputType(rs);
	mAlloc = Allocation.createTyped(rs, constInputType);
	int bufferSize = constInputType.getElement().getBytesSize()*
	constInputType.getCount();
	mIOBuffer = new FieldPacker(bufferSize);
	mModel = new Matrix4f();
	mProjection = new Matrix4f();
	mTexture = new Matrix4f();
	setModelview(new Matrix4f());
	setProjection(new Matrix4f());
	setTexture(new Matrix4f());
	}

	/**
	* @deprecated in API 16
	* Forces deallocation of memory backing the contant matrices.
	* Normally, this is unnecessary and will be garbage collected
	*
	*/
	public void destroy() {
	mAlloc.destroy();
	mAlloc = null;
	}

	private void addToBuffer(int offset, Matrix4f m) {
	mIOBuffer.reset(offset);
	for(int i = 0; i < 16; i ++) {
	mIOBuffer.addF32(m.mMat[i]);
	}
	// Reset the buffer back to the end, since we want to flush all of
	// the contents back (and not just what we wrote now).
	mIOBuffer.reset(mIOBuffer.getData().length);
	mAlloc.setFromFieldPacker(0, mIOBuffer);
	}

	/**
	* @deprecated in API 16
	* Sets the modelview matrix in the fixed function matrix buffer
	*
	* @param m modelview matrix
	*/
	public void setModelview(Matrix4f m) {
	mModel.load(m);
	addToBuffer(MODELVIEW_OFFSET*4, m);
	}

	/**
	* @deprecated in API 16
	* Sets the projection matrix in the fixed function matrix buffer
	*
	* @param m projection matrix
	*/
	@UnsupportedAppUsage
	public void setProjection(Matrix4f m) {
	mProjection.load(m);
	addToBuffer(PROJECTION_OFFSET*4, m);
	}

	/**
	* @deprecated in API 16
	* Sets the texture matrix in the fixed function matrix buffer.
	* Texture matrix must be enabled in the
	* ProgramVertexFixedFunction builder for the shader to utilize
	* it.
	*
	* @param m modelview matrix
	*/
	public void setTexture(Matrix4f m) {
	mTexture.load(m);
	addToBuffer(TEXTURE_OFFSET*4, m);
	}
	}
	}