| // Copyright (C) 2011 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 "scenegraph_objects.rsh" |
| |
| rs_script gTransformScript; |
| |
| typedef struct { |
| int changed; |
| rs_matrix4x4 *mat; |
| } ParentData; |
| |
| //#define DEBUG_TRANSFORMS |
| static void debugTransform(SgTransform *data, const ParentData *parent) { |
| rsDebug("****** <Transform> ******", (int)data); |
| printName(data->name); |
| rsDebug("isDirty", data->isDirty); |
| rsDebug("parent", (int)parent); |
| rsDebug("child ", rsIsObject(data->children)); |
| |
| // Refresh matrices if dirty |
| if (data->isDirty && rsIsObject(data->components)) { |
| uint32_t numComponenets = rsAllocationGetDimX(data->components); |
| for (int i = 0; i < numComponenets; i ++) { |
| const SgTransformComponent *comp = NULL; |
| comp = (const SgTransformComponent *)rsGetElementAt(data->components, i); |
| |
| if (rsIsObject(comp->name)) { |
| rsDebug((const char*)rsGetElementAt(comp->name, 0), comp->value); |
| rsDebug("Type", comp->type); |
| } else { |
| rsDebug("no name", comp->value); |
| rsDebug("Type", comp->type); |
| } |
| } |
| } |
| |
| rsDebug("timestamp", data->timestamp); |
| rsDebug("****** </Transform> ******", (int)data); |
| } |
| |
| static 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 rs_allocation *v_in, rs_allocation *v_out, const void *usrData) { |
| |
| SgTransform *data = (SgTransform *)rsGetElementAt(*v_in, 0); |
| const ParentData *parent = (const ParentData *)usrData; |
| |
| #ifdef DEBUG_TRANSFORMS |
| debugTransform(data, parent); |
| #endif //DEBUG_TRANSFORMS |
| |
| rs_matrix4x4 *localMat = &data->localMat; |
| rs_matrix4x4 *globalMat = &data->globalMat; |
| |
| // Refresh matrices if dirty |
| if (data->isDirty && rsIsObject(data->components)) { |
| bool resetLocal = false; |
| uint32_t numComponenets = rsAllocationGetDimX(data->components); |
| for (int i = 0; i < numComponenets; i ++) { |
| if (!resetLocal) { |
| // Reset our local matrix only for component transforms |
| rsMatrixLoadIdentity(localMat); |
| resetLocal = true; |
| } |
| const SgTransformComponent *comp = NULL; |
| comp = (const SgTransformComponent *)rsGetElementAt(data->components, i); |
| appendTransformation(comp->type, comp->value, localMat); |
| } |
| } |
| |
| if (parent) { |
| data->isDirty = (parent->changed || data->isDirty) ? 1 : 0; |
| if (data->isDirty) { |
| rsMatrixLoad(globalMat, parent->mat); |
| rsMatrixMultiply(globalMat, localMat); |
| } |
| } else if (data->isDirty) { |
| rsMatrixLoad(globalMat, localMat); |
| } |
| |
| ParentData toChild; |
| toChild.changed = 0; |
| toChild.mat = globalMat; |
| |
| if (data->isDirty) { |
| toChild.changed = 1; |
| data->timestamp ++; |
| } |
| |
| if (rsIsObject(data->children)) { |
| rs_allocation nullAlloc; |
| rsForEach(gTransformScript, data->children, nullAlloc, &toChild, sizeof(toChild)); |
| } |
| |
| data->isDirty = 0; |
| } |