| /* |
| * 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 SimpleMesh extends BaseObj { |
| Type[] mVertexTypes; |
| Type mIndexType; |
| //Type mBatcheType; |
| Primitive mPrimitive; |
| |
| SimpleMesh(int id, RenderScript rs) { |
| super(rs); |
| mID = id; |
| } |
| |
| public void bindVertexAllocation(Allocation a, int slot) { |
| mRS.nSimpleMeshBindVertex(mID, a.mID, slot); |
| } |
| |
| public void bindIndexAllocation(Allocation a) { |
| mRS.nSimpleMeshBindIndex(mID, a.mID); |
| } |
| |
| public Allocation createVertexAllocation(int slot) { |
| return Allocation.createTyped(mRS, mVertexTypes[slot]); |
| } |
| |
| public Allocation createIndexAllocation() { |
| return Allocation.createTyped(mRS, mIndexType); |
| } |
| |
| |
| public static class Builder { |
| RenderScript mRS; |
| |
| class Entry { |
| Type t; |
| Element e; |
| int size; |
| } |
| |
| int mVertexTypeCount; |
| Entry[] mVertexTypes; |
| Entry mIndexType; |
| //Entry mBatchType; |
| Primitive mPrimitive; |
| |
| |
| public Builder(RenderScript rs) { |
| mRS = rs; |
| mVertexTypeCount = 0; |
| mVertexTypes = new Entry[16]; |
| mIndexType = new Entry(); |
| } |
| |
| public int addVertexType(Type t) throws IllegalStateException { |
| if(mVertexTypeCount >= mVertexTypes.length) { |
| throw new IllegalStateException("Max vertex types exceeded."); |
| } |
| |
| int addedIndex = mVertexTypeCount; |
| mVertexTypes[mVertexTypeCount] = new Entry(); |
| mVertexTypes[mVertexTypeCount].t = t; |
| mVertexTypeCount++; |
| return addedIndex; |
| } |
| |
| public int addVertexType(Element e, int size) throws IllegalStateException { |
| if(mVertexTypeCount >= mVertexTypes.length) { |
| throw new IllegalStateException("Max vertex types exceeded."); |
| } |
| |
| int addedIndex = mVertexTypeCount; |
| mVertexTypes[mVertexTypeCount] = new Entry(); |
| mVertexTypes[mVertexTypeCount].e = e; |
| mVertexTypes[mVertexTypeCount].size = size; |
| mVertexTypeCount++; |
| return addedIndex; |
| } |
| |
| public void setIndexType(Type t) { |
| mIndexType.t = t; |
| mIndexType.e = null; |
| mIndexType.size = 0; |
| } |
| |
| public void setIndexType(Element e, int size) { |
| mIndexType.t = null; |
| mIndexType.e = e; |
| mIndexType.size = size; |
| } |
| |
| public void setPrimitive(Primitive p) { |
| mPrimitive = p; |
| } |
| |
| |
| Type newType(Element e, int size) { |
| Type.Builder tb = new Type.Builder(mRS, e); |
| tb.add(Dimension.X, size); |
| return tb.create(); |
| } |
| |
| static synchronized SimpleMesh internalCreate(RenderScript rs, Builder b) { |
| Type[] toDestroy = new Type[18]; |
| int toDestroyCount = 0; |
| |
| int indexID = 0; |
| if(b.mIndexType.t != null) { |
| indexID = b.mIndexType.t.mID; |
| } else if(b.mIndexType.size != 0) { |
| b.mIndexType.t = b.newType(b.mIndexType.e, b.mIndexType.size); |
| indexID = b.mIndexType.t.mID; |
| toDestroy[toDestroyCount++] = b.mIndexType.t; |
| } |
| |
| int[] IDs = new int[b.mVertexTypeCount]; |
| for(int ct=0; ct < b.mVertexTypeCount; ct++) { |
| if(b.mVertexTypes[ct].t != null) { |
| IDs[ct] = b.mVertexTypes[ct].t.mID; |
| } else { |
| b.mVertexTypes[ct].t = b.newType(b.mVertexTypes[ct].e, b.mVertexTypes[ct].size); |
| IDs[ct] = b.mVertexTypes[ct].t.mID; |
| toDestroy[toDestroyCount++] = b.mVertexTypes[ct].t; |
| } |
| } |
| |
| int id = rs.nSimpleMeshCreate(0, indexID, IDs, b.mPrimitive.mID); |
| for(int ct=0; ct < toDestroyCount; ct++) { |
| toDestroy[ct].destroy(); |
| } |
| |
| return new SimpleMesh(id, rs); |
| } |
| |
| public SimpleMesh create() { |
| Log.e("rs", "SimpleMesh create"); |
| SimpleMesh sm = internalCreate(mRS, this); |
| sm.mVertexTypes = new Type[mVertexTypeCount]; |
| for(int ct=0; ct < mVertexTypeCount; ct++) { |
| sm.mVertexTypes[ct] = mVertexTypes[ct].t; |
| } |
| sm.mIndexType = mIndexType.t; |
| sm.mPrimitive = mPrimitive; |
| return sm; |
| } |
| } |
| |
| public static class TriangleMeshBuilder { |
| float mVtxData[]; |
| int mVtxCount; |
| int mIndexData[]; |
| int mIndexCount; |
| RenderScript mRS; |
| Element mElement; |
| |
| int mVtxSize; |
| boolean mNorm; |
| boolean mTex; |
| |
| public TriangleMeshBuilder(RenderScript rs, int vtxSize, boolean norm, boolean tex) { |
| mRS = rs; |
| mVtxCount = 0; |
| mIndexCount = 0; |
| mVtxData = new float[128]; |
| mIndexData = new int[128]; |
| mVtxSize = vtxSize; |
| mNorm = norm; |
| mTex = tex; |
| |
| if(vtxSize < 2 || vtxSize > 3) { |
| throw new IllegalArgumentException("Vertex size out of range."); |
| } |
| } |
| |
| private void makeSpace(int count) { |
| if((mVtxCount + count) >= mVtxData.length) { |
| float t[] = new float[mVtxData.length * 2]; |
| System.arraycopy(mVtxData, 0, t, 0, mVtxData.length); |
| mVtxData = t; |
| } |
| } |
| |
| public void add_XY(float x, float y) { |
| if((mVtxSize != 2) || mNorm || mTex) { |
| throw new IllegalStateException("add mistmatch with declaired components."); |
| } |
| makeSpace(2); |
| mVtxData[mVtxCount++] = x; |
| mVtxData[mVtxCount++] = y; |
| } |
| |
| public void add_XYZ(float x, float y, float z) { |
| if((mVtxSize != 3) || mNorm || mTex) { |
| throw new IllegalStateException("add mistmatch with declaired components."); |
| } |
| makeSpace(3); |
| mVtxData[mVtxCount++] = x; |
| mVtxData[mVtxCount++] = y; |
| mVtxData[mVtxCount++] = z; |
| } |
| |
| public void add_XY_ST(float x, float y, float s, float t) { |
| if((mVtxSize != 2) || mNorm || !mTex) { |
| throw new IllegalStateException("add mistmatch with declaired components."); |
| } |
| makeSpace(4); |
| mVtxData[mVtxCount++] = x; |
| mVtxData[mVtxCount++] = y; |
| mVtxData[mVtxCount++] = s; |
| mVtxData[mVtxCount++] = t; |
| } |
| |
| public void add_XYZ_ST(float x, float y, float z, float s, float t) { |
| if((mVtxSize != 3) || mNorm || !mTex) { |
| throw new IllegalStateException("add mistmatch with declaired components."); |
| } |
| makeSpace(5); |
| mVtxData[mVtxCount++] = x; |
| mVtxData[mVtxCount++] = y; |
| mVtxData[mVtxCount++] = z; |
| mVtxData[mVtxCount++] = s; |
| mVtxData[mVtxCount++] = t; |
| } |
| |
| public void add_XYZ_ST_NORM(float x, float y, float z, float s, float t, float nx, float ny, float nz) { |
| if((mVtxSize != 3) || !mNorm || !mTex) { |
| throw new IllegalStateException("add mistmatch with declaired components."); |
| } |
| makeSpace(8); |
| mVtxData[mVtxCount++] = x; |
| mVtxData[mVtxCount++] = y; |
| mVtxData[mVtxCount++] = z; |
| mVtxData[mVtxCount++] = s; |
| mVtxData[mVtxCount++] = t; |
| mVtxData[mVtxCount++] = nx; |
| mVtxData[mVtxCount++] = ny; |
| mVtxData[mVtxCount++] = nz; |
| } |
| |
| public void addTriangle(int idx1, int idx2, int idx3) { |
| if((mIndexCount + 3) >= mIndexData.length) { |
| int t[] = new int[mIndexData.length * 2]; |
| System.arraycopy(mIndexData, 0, t, 0, mIndexData.length); |
| mIndexData = t; |
| } |
| mIndexData[mIndexCount++] = idx1; |
| mIndexData[mIndexCount++] = idx2; |
| mIndexData[mIndexCount++] = idx3; |
| } |
| |
| public SimpleMesh create() { |
| Element.Builder b = new Element.Builder(mRS); |
| int floatCount = mVtxSize; |
| if(mVtxSize == 2) { |
| b.addFloatXY(); |
| } else { |
| b.addFloatXYZ(); |
| } |
| if(mTex) { |
| floatCount += 2; |
| b.addFloatST(); |
| } |
| if(mNorm) { |
| floatCount += 3; |
| b.addFloatNorm(); |
| } |
| mElement = b.create(); |
| |
| Builder smb = new Builder(mRS); |
| smb.addVertexType(mElement, mVtxCount / floatCount); |
| smb.setIndexType(Element.INDEX_16, mIndexCount); |
| smb.setPrimitive(Primitive.TRIANGLE); |
| SimpleMesh sm = smb.create(); |
| |
| Allocation vertexAlloc = sm.createVertexAllocation(0); |
| Allocation indexAlloc = sm.createIndexAllocation(); |
| sm.bindVertexAllocation(vertexAlloc, 0); |
| sm.bindIndexAllocation(indexAlloc); |
| |
| vertexAlloc.data(mVtxData); |
| vertexAlloc.uploadToBufferObject(); |
| |
| // This is safe because length is a pow2 |
| for(int ct=0; ct < (mIndexCount+1); ct += 2) { |
| mIndexData[ct >> 1] = mIndexData[ct] | (mIndexData[ct+1] << 16); |
| } |
| indexAlloc.data(mIndexData); |
| indexAlloc.uploadToBufferObject(); |
| |
| return sm; |
| } |
| } |
| } |
| |