| // Copyright (C) 2009 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. |
| |
| #pragma version(1) |
| |
| #pragma rs java_package_name(com.android.modelviewer) |
| |
| #include "transform_def.rsh" |
| |
| rs_script transformScript; |
| |
| typedef struct { |
| int changed; |
| rs_matrix4x4 *mat; |
| } ParentData; |
| |
| void appendTransformation(int type, float4 data, rs_matrix4x4 *mat) { |
| rs_matrix4x4 temp; |
| |
| switch(type) { |
| case TRANSFORM_TRANSLATE: |
| rsMatrixLoadTranslate(&temp, data.x, data.y, data.z); |
| break; |
| case TRANSFORM_ROTATE: |
| rsMatrixLoadRotate(&temp, data.w, data.x, data.y, data.z); |
| break; |
| case TRANSFORM_SCALE: |
| rsMatrixLoadScale(&temp, data.x, data.y, data.z); |
| break; |
| } |
| rsMatrixMultiply(mat, &temp); |
| } |
| |
| void root(const void *v_in, void *v_out, const void *usrData, uint32_t x, uint32_t y) { |
| |
| SgTransform *data = (SgTransform *)v_out; |
| const ParentData *parent = (const ParentData *)usrData; |
| |
| //rsDebug("Transform data", (int)data); |
| //rsDebug("Entering parent", (int)parent); |
| |
| rs_matrix4x4 *localMat = &data->localMat; |
| rs_matrix4x4 *globalMat = &data->globalMat; |
| |
| ParentData toChild; |
| toChild.changed = 0; |
| toChild.mat = globalMat; |
| |
| //rsDebug("Transform is dirty", data->isDirty); |
| |
| // Refresh matrices if dirty |
| if(data->isDirty) { |
| data->isDirty = 0; |
| toChild.changed = 1; |
| |
| // Reset our local matrix |
| rsMatrixLoadIdentity(localMat); |
| |
| for(int i = 0; i < 16; i ++) { |
| if(data->transformTypes[i] == TRANSFORM_NONE) { |
| break; |
| } |
| //rsDebug("Transform adding transformation", transformTypes[i]); |
| appendTransformation(data->transformTypes[i], data->transforms[i], localMat); |
| } |
| } |
| |
| //rsDebug("Transform checking parent", (int)0); |
| |
| if(parent) { |
| if(parent->changed) { |
| toChild.changed = 1; |
| |
| rsMatrixLoad(globalMat, parent->mat); |
| rsMatrixMultiply(globalMat, localMat); |
| } |
| } |
| else { |
| rsMatrixLoad(globalMat, localMat); |
| } |
| |
| //rsDebug("Transform calling self with child ", (int)data->children.p); |
| if(data->children.p) { |
| rsForEach(transformScript, data->children, data->children, (void*)&toChild); |
| } |
| } |