1 | /* |
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2 | Bullet Continuous Collision Detection and Physics Library |
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3 | Copyright (c) 2003-2007 Erwin Coumans http://bulletphysics.com |
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4 | |
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5 | This software is provided 'as-is', without any express or implied warranty. |
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6 | In no event will the authors be held liable for any damages arising from the use of this software. |
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7 | Permission is granted to anyone to use this software for any purpose, |
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8 | including commercial applications, and to alter it and redistribute it freely, |
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9 | subject to the following restrictions: |
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10 | |
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11 | 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. |
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12 | 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. |
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13 | 3. This notice may not be removed or altered from any source distribution. |
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14 | */ |
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15 | |
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16 | #ifndef SPU_SAMPLE_TASK_PROCESS_H |
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17 | #define SPU_SAMPLE_TASK_PROCESS_H |
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18 | |
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19 | #include <assert.h> |
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20 | |
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21 | |
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22 | #include "PlatformDefinitions.h" |
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23 | |
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24 | #include <stdlib.h> |
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25 | |
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26 | #include "LinearMath/btAlignedObjectArray.h" |
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27 | |
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28 | |
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29 | #include "SpuSampleTask/SpuSampleTask.h" |
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30 | |
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31 | |
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32 | //just add your commands here, try to keep them globally unique for debugging purposes |
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33 | #define CMD_SAMPLE_TASK_COMMAND 10 |
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34 | |
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35 | |
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36 | |
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37 | /// SpuSampleTaskProcess handles SPU processing of collision pairs. |
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38 | /// When PPU issues a task, it will look for completed task buffers |
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39 | /// PPU will do postprocessing, dependent on workunit output (not likely) |
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40 | class SpuSampleTaskProcess |
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41 | { |
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42 | // track task buffers that are being used, and total busy tasks |
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43 | btAlignedObjectArray<bool> m_taskBusy; |
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44 | btAlignedObjectArray<SpuSampleTaskDesc>m_spuSampleTaskDesc; |
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45 | |
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46 | unsigned int m_numBusyTasks; |
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47 | |
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48 | // the current task and the current entry to insert a new work unit |
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49 | unsigned int m_currentTask; |
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50 | |
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51 | bool m_initialized; |
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52 | |
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53 | void postProcess(int taskId, int outputSize); |
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54 | |
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55 | class btThreadSupportInterface* m_threadInterface; |
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56 | |
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57 | unsigned int m_maxNumOutstandingTasks; |
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58 | |
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59 | |
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60 | |
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61 | public: |
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62 | SpuSampleTaskProcess(btThreadSupportInterface* threadInterface, unsigned int maxNumOutstandingTasks); |
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63 | |
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64 | ~SpuSampleTaskProcess(); |
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65 | |
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66 | ///call initialize in the beginning of the frame, before addCollisionPairToTask |
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67 | void initialize(); |
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68 | |
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69 | void issueTask(void* sampleMainMemPtr,int sampleValue,int sampleCommand); |
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70 | |
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71 | ///call flush to submit potential outstanding work to SPUs and wait for all involved SPUs to be finished |
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72 | void flush(); |
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73 | }; |
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74 | |
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75 | |
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76 | #if defined(USE_LIBSPE2) && defined(__SPU__) |
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77 | ////////////////////MAIN///////////////////////////// |
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78 | #include "../SpuLibspe2Support.h" |
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79 | #include <spu_intrinsics.h> |
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80 | #include <spu_mfcio.h> |
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81 | #include <SpuFakeDma.h> |
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82 | |
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83 | void * SamplelsMemoryFunc(); |
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84 | void SampleThreadFunc(void* userPtr,void* lsMemory); |
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85 | |
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86 | //#define DEBUG_LIBSPE2_MAINLOOP |
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87 | |
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88 | int main(unsigned long long speid, addr64 argp, addr64 envp) |
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89 | { |
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90 | printf("SPU is up \n"); |
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91 | |
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92 | ATTRIBUTE_ALIGNED128(btSpuStatus status); |
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93 | ATTRIBUTE_ALIGNED16( SpuSampleTaskDesc taskDesc ) ; |
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94 | unsigned int received_message = Spu_Mailbox_Event_Nothing; |
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95 | bool shutdown = false; |
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96 | |
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97 | cellDmaGet(&status, argp.ull, sizeof(btSpuStatus), DMA_TAG(3), 0, 0); |
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98 | cellDmaWaitTagStatusAll(DMA_MASK(3)); |
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99 | |
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100 | status.m_status = Spu_Status_Free; |
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101 | status.m_lsMemory.p = SamplelsMemoryFunc(); |
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102 | |
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103 | cellDmaLargePut(&status, argp.ull, sizeof(btSpuStatus), DMA_TAG(3), 0, 0); |
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104 | cellDmaWaitTagStatusAll(DMA_MASK(3)); |
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105 | |
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106 | |
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107 | while (!shutdown) |
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108 | { |
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109 | received_message = spu_read_in_mbox(); |
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110 | |
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111 | |
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112 | |
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113 | switch(received_message) |
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114 | { |
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115 | case Spu_Mailbox_Event_Shutdown: |
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116 | shutdown = true; |
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117 | break; |
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118 | case Spu_Mailbox_Event_Task: |
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119 | // refresh the status |
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120 | #ifdef DEBUG_LIBSPE2_MAINLOOP |
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121 | printf("SPU recieved Task \n"); |
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122 | #endif //DEBUG_LIBSPE2_MAINLOOP |
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123 | cellDmaGet(&status, argp.ull, sizeof(btSpuStatus), DMA_TAG(3), 0, 0); |
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124 | cellDmaWaitTagStatusAll(DMA_MASK(3)); |
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125 | |
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126 | btAssert(status.m_status==Spu_Status_Occupied); |
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127 | |
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128 | cellDmaGet(&taskDesc, status.m_taskDesc.p, sizeof(SpuSampleTaskDesc), DMA_TAG(3), 0, 0); |
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129 | cellDmaWaitTagStatusAll(DMA_MASK(3)); |
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130 | |
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131 | SampleThreadFunc((void*)&taskDesc, reinterpret_cast<void*> (taskDesc.m_mainMemoryPtr) ); |
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132 | break; |
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133 | case Spu_Mailbox_Event_Nothing: |
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134 | default: |
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135 | break; |
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136 | } |
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137 | |
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138 | // set to status free and wait for next task |
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139 | status.m_status = Spu_Status_Free; |
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140 | cellDmaLargePut(&status, argp.ull, sizeof(btSpuStatus), DMA_TAG(3), 0, 0); |
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141 | cellDmaWaitTagStatusAll(DMA_MASK(3)); |
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142 | |
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143 | |
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144 | } |
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145 | return 0; |
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146 | } |
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147 | ////////////////////////////////////////////////////// |
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148 | #endif |
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149 | |
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150 | |
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151 | |
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152 | #endif // SPU_SAMPLE_TASK_PROCESS_H |
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153 | |
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