Nicolas Capens | 7b21f27 | 2014-06-04 22:51:10 -0400 | [diff] [blame] | 1 | /*!**************************************************************************** |
| 2 | |
| 3 | @file PVRTBoneBatch.h |
| 4 | @copyright Copyright (c) Imagination Technologies Limited. |
| 5 | @brief Utility functions which process vertices. |
| 6 | |
| 7 | ******************************************************************************/ |
| 8 | #ifndef _PVRTBONEBATCH_H_ |
| 9 | #define _PVRTBONEBATCH_H_ |
| 10 | |
| 11 | #include "PVRTVertex.h" |
| 12 | #include <stdlib.h> |
| 13 | |
| 14 | /*!*************************************************************************** |
| 15 | Handles a batch of bones |
| 16 | *****************************************************************************/ |
| 17 | /*!*************************************************************************** |
| 18 | @class CPVRTBoneBatches |
| 19 | @brief A class for processing vertices into bone batches |
| 20 | *****************************************************************************/ |
| 21 | class CPVRTBoneBatches |
| 22 | { |
| 23 | public: |
| 24 | int *pnBatches; /*!< Space for nBatchBoneMax bone indices, per batch */ |
| 25 | int *pnBatchBoneCnt; /*!< Actual number of bone indices, per batch */ |
| 26 | int *pnBatchOffset; /*!< Offset into triangle array, per batch */ |
| 27 | int nBatchBoneMax; /*!< Stored value as was passed into Create() */ |
| 28 | int nBatchCnt; /*!< Number of batches to render */ |
| 29 | |
| 30 | /*!*********************************************************************** |
| 31 | @brief Fills the bone batch structure |
| 32 | @param[out] pnVtxNumOut vertex count |
| 33 | @param[out] pVtxOut Output vertices (program must free() this) |
| 34 | @param[in,out] pui32Idx index array for triangle list |
| 35 | @param[in] nVtxNum vertex count |
| 36 | @param[in] pVtx vertices |
| 37 | @param[in] nStride Size of a vertex (in bytes) |
| 38 | @param[in] nOffsetWeight Offset in bytes to the vertex bone-weights |
| 39 | @param[in] eTypeWeight Data type of the vertex bone-weights |
| 40 | @param[in] nOffsetIdx Offset in bytes to the vertex bone-indices |
| 41 | @param[in] eTypeIdx Data type of the vertex bone-indices |
| 42 | @param[in] nTriNum Number of triangles |
| 43 | @param[in] nBatchBoneMax Number of bones a batch can reference |
| 44 | @param[in] nVertexBones Number of bones affecting each vertex |
| 45 | @return PVR_SUCCESS if successful |
| 46 | *************************************************************************/ |
| 47 | EPVRTError Create( |
| 48 | int * const pnVtxNumOut, |
| 49 | char ** const pVtxOut, |
| 50 | unsigned int * const pui32Idx, |
| 51 | const int nVtxNum, |
| 52 | const char * const pVtx, |
| 53 | const int nStride, |
| 54 | const int nOffsetWeight, |
| 55 | const EPVRTDataType eTypeWeight, |
| 56 | const int nOffsetIdx, |
| 57 | const EPVRTDataType eTypeIdx, |
| 58 | const int nTriNum, |
| 59 | const int nBatchBoneMax, |
| 60 | const int nVertexBones); |
| 61 | |
| 62 | /*!*********************************************************************** |
| 63 | @brief Destroy the bone batch structure |
| 64 | *************************************************************************/ |
| 65 | void Release() |
| 66 | { |
| 67 | FREE(pnBatches); |
| 68 | FREE(pnBatchBoneCnt); |
| 69 | FREE(pnBatchOffset); |
| 70 | nBatchCnt = 0; |
| 71 | } |
| 72 | }; |
| 73 | |
| 74 | |
| 75 | #endif /* _PVRTBONEBATCH_H_ */ |
| 76 | |
| 77 | /***************************************************************************** |
| 78 | End of file (PVRTBoneBatch.h) |
| 79 | *****************************************************************************/ |
| 80 | |