| /* |
| * 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.compat.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); |
| } |
| } |
| } |