Alex Sakhartchouk | a7a211b | 2011-12-08 11:39:14 -0800 | [diff] [blame] | 1 | // Copyright (C) 2011 The Android Open Source Project |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | #pragma version(1) |
| 16 | |
| 17 | #pragma rs java_package_name(com.android.modelviewer) |
| 18 | |
Alex Sakhartchouk | d4cb9c5 | 2012-01-26 15:51:19 -0800 | [diff] [blame] | 19 | #include "scenegraph_objects.rsh" |
Alex Sakhartchouk | a7a211b | 2011-12-08 11:39:14 -0800 | [diff] [blame] | 20 | |
| 21 | rs_script gTransformScript; |
| 22 | |
| 23 | typedef struct { |
| 24 | int changed; |
| 25 | rs_matrix4x4 *mat; |
| 26 | } ParentData; |
| 27 | |
Alex Sakhartchouk | e92c78c | 2012-01-31 13:23:13 -0800 | [diff] [blame] | 28 | //#define DEBUG_TRANSFORMS |
| 29 | static void debugTransform(SgTransform *data, const ParentData *parent) { |
| 30 | rsDebug("****** <Transform> ******", (int)data); |
| 31 | printName(data->name); |
| 32 | rsDebug("isDirty", data->isDirty); |
| 33 | rsDebug("parent", (int)parent); |
| 34 | rsDebug("child ", rsIsObject(data->children)); |
| 35 | |
| 36 | // Refresh matrices if dirty |
| 37 | if (data->isDirty && rsIsObject(data->components)) { |
| 38 | uint32_t numComponenets = rsAllocationGetDimX(data->components); |
| 39 | for (int i = 0; i < numComponenets; i ++) { |
| 40 | const SgTransformComponent *comp = NULL; |
| 41 | comp = (const SgTransformComponent *)rsGetElementAt(data->components, i); |
| 42 | |
| 43 | if (rsIsObject(comp->name)) { |
| 44 | rsDebug((const char*)rsGetElementAt(comp->name, 0), comp->value); |
| 45 | rsDebug("Type", comp->type); |
| 46 | } else { |
| 47 | rsDebug("no name", comp->value); |
| 48 | rsDebug("Type", comp->type); |
| 49 | } |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | rsDebug("timestamp", data->timestamp); |
| 54 | rsDebug("****** </Transform> ******", (int)data); |
| 55 | } |
| 56 | |
Alex Sakhartchouk | a7a211b | 2011-12-08 11:39:14 -0800 | [diff] [blame] | 57 | static void appendTransformation(int type, float4 data, rs_matrix4x4 *mat) { |
| 58 | rs_matrix4x4 temp; |
| 59 | |
| 60 | switch (type) { |
| 61 | case TRANSFORM_TRANSLATE: |
| 62 | rsMatrixLoadTranslate(&temp, data.x, data.y, data.z); |
| 63 | break; |
| 64 | case TRANSFORM_ROTATE: |
| 65 | rsMatrixLoadRotate(&temp, data.w, data.x, data.y, data.z); |
| 66 | break; |
| 67 | case TRANSFORM_SCALE: |
| 68 | rsMatrixLoadScale(&temp, data.x, data.y, data.z); |
| 69 | break; |
| 70 | } |
| 71 | rsMatrixMultiply(mat, &temp); |
| 72 | } |
| 73 | |
| 74 | void root(const rs_allocation *v_in, rs_allocation *v_out, const void *usrData) { |
| 75 | |
| 76 | SgTransform *data = (SgTransform *)rsGetElementAt(*v_in, 0); |
| 77 | const ParentData *parent = (const ParentData *)usrData; |
| 78 | |
| 79 | #ifdef DEBUG_TRANSFORMS |
Alex Sakhartchouk | e92c78c | 2012-01-31 13:23:13 -0800 | [diff] [blame] | 80 | debugTransform(data, parent); |
Alex Sakhartchouk | a7a211b | 2011-12-08 11:39:14 -0800 | [diff] [blame] | 81 | #endif //DEBUG_TRANSFORMS |
| 82 | |
| 83 | rs_matrix4x4 *localMat = &data->localMat; |
| 84 | rs_matrix4x4 *globalMat = &data->globalMat; |
| 85 | |
Alex Sakhartchouk | a7a211b | 2011-12-08 11:39:14 -0800 | [diff] [blame] | 86 | // Refresh matrices if dirty |
Alex Sakhartchouk | e92c78c | 2012-01-31 13:23:13 -0800 | [diff] [blame] | 87 | if (data->isDirty && rsIsObject(data->components)) { |
Alex Sakhartchouk | a7a211b | 2011-12-08 11:39:14 -0800 | [diff] [blame] | 88 | bool resetLocal = false; |
Alex Sakhartchouk | e92c78c | 2012-01-31 13:23:13 -0800 | [diff] [blame] | 89 | uint32_t numComponenets = rsAllocationGetDimX(data->components); |
| 90 | for (int i = 0; i < numComponenets; i ++) { |
Alex Sakhartchouk | a7a211b | 2011-12-08 11:39:14 -0800 | [diff] [blame] | 91 | if (!resetLocal) { |
| 92 | // Reset our local matrix only for component transforms |
| 93 | rsMatrixLoadIdentity(localMat); |
| 94 | resetLocal = true; |
| 95 | } |
Alex Sakhartchouk | e92c78c | 2012-01-31 13:23:13 -0800 | [diff] [blame] | 96 | const SgTransformComponent *comp = NULL; |
| 97 | comp = (const SgTransformComponent *)rsGetElementAt(data->components, i); |
| 98 | appendTransformation(comp->type, comp->value, localMat); |
Alex Sakhartchouk | a7a211b | 2011-12-08 11:39:14 -0800 | [diff] [blame] | 99 | } |
| 100 | } |
| 101 | |
| 102 | if (parent) { |
Alex Sakhartchouk | e92c78c | 2012-01-31 13:23:13 -0800 | [diff] [blame] | 103 | data->isDirty = (parent->changed || data->isDirty) ? 1 : 0; |
| 104 | if (data->isDirty) { |
Alex Sakhartchouk | a7a211b | 2011-12-08 11:39:14 -0800 | [diff] [blame] | 105 | rsMatrixLoad(globalMat, parent->mat); |
| 106 | rsMatrixMultiply(globalMat, localMat); |
| 107 | } |
| 108 | } else if (data->isDirty) { |
| 109 | rsMatrixLoad(globalMat, localMat); |
| 110 | } |
| 111 | |
Alex Sakhartchouk | e92c78c | 2012-01-31 13:23:13 -0800 | [diff] [blame] | 112 | ParentData toChild; |
| 113 | toChild.changed = 0; |
| 114 | toChild.mat = globalMat; |
| 115 | |
| 116 | if (data->isDirty) { |
| 117 | toChild.changed = 1; |
| 118 | data->timestamp ++; |
| 119 | } |
| 120 | |
Alex Sakhartchouk | a7a211b | 2011-12-08 11:39:14 -0800 | [diff] [blame] | 121 | if (rsIsObject(data->children)) { |
| 122 | rs_allocation nullAlloc; |
| 123 | rsForEach(gTransformScript, data->children, nullAlloc, &toChild, sizeof(toChild)); |
| 124 | } |
| 125 | |
| 126 | data->isDirty = 0; |
| 127 | } |