| /* |
| * 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 ProgramVertex extends BaseObj { |
| public static final int MAX_LIGHT = 8; |
| |
| ProgramVertex(int id, RenderScript rs) { |
| super(rs); |
| mID = id; |
| } |
| |
| public void destroy() { |
| if(mDestroyed) { |
| throw new IllegalStateException("Object already destroyed."); |
| } |
| mDestroyed = true; |
| mRS.nProgramVertexDestroy(mID); |
| } |
| |
| public void bindAllocation(MatrixAllocation va) { |
| mRS.nProgramVertexBindAllocation(mID, va.mAlloc.mID); |
| } |
| |
| |
| public static class Builder { |
| RenderScript mRS; |
| Element mIn; |
| Element mOut; |
| Light[] mLights; |
| int mLightCount; |
| boolean mTextureMatrixEnable; |
| |
| |
| public Builder(RenderScript rs, Element in, Element out) { |
| mRS = rs; |
| mIn = in; |
| mOut = out; |
| mLights = new Light[MAX_LIGHT]; |
| mLightCount = 0; |
| } |
| |
| public void setTextureMatrixEnable(boolean enable) { |
| mTextureMatrixEnable = enable; |
| } |
| |
| public void addLight(Light l) throws IllegalStateException { |
| if(mLightCount >= MAX_LIGHT) { |
| throw new IllegalArgumentException("Max light count exceeded."); |
| } |
| mLights[mLightCount] = l; |
| mLightCount++; |
| } |
| |
| |
| |
| static synchronized ProgramVertex internalCreate(RenderScript rs, Builder b) { |
| int inID = 0; |
| int outID = 0; |
| if (b.mIn != null) { |
| inID = b.mIn.mID; |
| } |
| if (b.mOut != null) { |
| outID = b.mOut.mID; |
| } |
| rs.nProgramVertexBegin(inID, outID); |
| for(int ct=0; ct < b.mLightCount; ct++) { |
| rs.nProgramVertexAddLight(b.mLights[ct].mID); |
| } |
| rs.nProgramVertexSetTextureMatrixEnable(b.mTextureMatrixEnable); |
| int id = rs.nProgramVertexCreate(); |
| return new ProgramVertex(id, rs); |
| } |
| |
| public ProgramVertex create() { |
| return internalCreate(mRS, this); |
| } |
| } |
| |
| |
| |
| public static class MatrixAllocation { |
| static final int MODELVIEW_OFFSET = 0; |
| static final int PROJECTION_OFFSET = 16; |
| static final int TEXTURE_OFFSET = 32; |
| |
| Matrix mModel; |
| Matrix mProjection; |
| Matrix mTexture; |
| |
| public Allocation mAlloc; |
| |
| public MatrixAllocation(RenderScript rs) { |
| mModel = new Matrix(); |
| mProjection = new Matrix(); |
| mTexture = new Matrix(); |
| |
| mAlloc = Allocation.createSized(rs, Element.USER_FLOAT, 48); |
| mAlloc.subData1D(MODELVIEW_OFFSET, 16, mModel.mMat); |
| mAlloc.subData1D(PROJECTION_OFFSET, 16, mProjection.mMat); |
| mAlloc.subData1D(TEXTURE_OFFSET, 16, mTexture.mMat); |
| } |
| |
| public void destroy() { |
| mAlloc.destroy(); |
| mAlloc = null; |
| } |
| |
| public void loadModelview(Matrix m) { |
| mModel = m; |
| mAlloc.subData1D(MODELVIEW_OFFSET, 16, m.mMat); |
| } |
| |
| public void loadProjection(Matrix m) { |
| mProjection = m; |
| mAlloc.subData1D(PROJECTION_OFFSET, 16, m.mMat); |
| } |
| |
| public void loadTexture(Matrix m) { |
| mTexture = m; |
| mAlloc.subData1D(TEXTURE_OFFSET, 16, m.mMat); |
| } |
| |
| public void setupOrthoWindow(int w, int h) { |
| mProjection.loadOrtho(0,w, h,0, -1,1); |
| mAlloc.subData1D(PROJECTION_OFFSET, 16, mProjection.mMat); |
| } |
| |
| public void setupOrthoNormalized(int w, int h) { |
| // range -1,1 in the narrow axis. |
| if(w > h) { |
| float aspect = ((float)w) / h; |
| mProjection.loadOrtho(-aspect,aspect, -1,1, -1,1); |
| } else { |
| float aspect = ((float)h) / w; |
| mProjection.loadOrtho(-1,1, -aspect,aspect, -1,1); |
| } |
| mAlloc.subData1D(PROJECTION_OFFSET, 16, mProjection.mMat); |
| } |
| |
| public void setupProjectionNormalized(int w, int h) { |
| // range -1,1 in the narrow axis at z = 0. |
| Matrix m1 = new Matrix(); |
| Matrix m2 = new Matrix(); |
| |
| if(w > h) { |
| float aspect = ((float)w) / h; |
| m1.loadFrustum(-aspect,aspect, -1,1, 1,100); |
| } else { |
| float aspect = ((float)h) / w; |
| m1.loadFrustum(-1,1, -aspect,aspect, 1,100); |
| } |
| |
| m2.loadRotate(180, 0, 1, 0); |
| m1.loadMultiply(m1, m2); |
| |
| m2.loadScale(-2, 2, 1); |
| m1.loadMultiply(m1, m2); |
| |
| m2.loadTranslate(0, 0, 2); |
| m1.loadMultiply(m1, m2); |
| |
| mProjection = m1; |
| mAlloc.subData1D(PROJECTION_OFFSET, 16, mProjection.mMat); |
| } |
| |
| } |
| |
| } |
| |