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Minecraft.Client/PS3/SPU_Tasks/Renderer_TextureUpdate/Renderer_TextureUpdate.cpp

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+/* SCE CONFIDENTIAL
+PlayStation(R)3 Programmer Tool Runtime Library 430.001
+* Copyright (C) 2007 Sony Computer Entertainment Inc.
+* All Rights Reserved.
+*/
+
+/* common headers */
+#include <stdint.h>
+#include <stdlib.h>
+#include <alloca.h>
+#include <spu_intrinsics.h>
+#include <cell/spurs.h>
+#include <cell/dma.h>
+#include <cell/spurs/job_queue.h>
+
+#include "Renderer_TextureUpdate.h"
+#include "..\Common\DmaData.h"
+#include <vectormath/c/vectormath_aos_v.h>
+
+
+
+static const bool sc_verbose = false;
+
+CellSpursJobContext2* g_pSpursJobContext;
+
+
+void CopyPPUMemory(void* pSrc, void* pDst, int size)
+{
+	static const int bufferSize = 16384;
+	char spuBuffer[bufferSize];
+	int dataLeft = size;
+	char* pSrcPos = (char*)pSrc;
+	char* pDstPos = (char*)pDst;
+	while(dataLeft > 0)
+	{
+		int sizeToDma = dataLeft;
+		if(sizeToDma > bufferSize)
+			sizeToDma = bufferSize;
+
+		DmaData_SPU::getAndWait(spuBuffer, (uintptr_t)pSrcPos, sizeToDma);
+		DmaData_SPU::putAndWait(spuBuffer, (uintptr_t)pDstPos, sizeToDma);
+		pSrcPos += sizeToDma;
+		pDstPos += sizeToDma;
+		dataLeft -= sizeToDma;
+	}
+}
+
+
+void TextureDataUpdate(int xoffset, int yoffset, int width, int height, int pitch, void *pSrcData, void* pDstData, int level)
+{
+	int colourDepth = 4;
+	char* pTexData = (char*)pDstData;
+	char* pSrc = (char*) pSrcData;
+	int srcOffset = 0;
+	int dstOffset = 0;
+	for(int i=0; i<height;i++)
+	{
+		CopyPPUMemory(&pSrc[srcOffset], &pTexData[dstOffset], pitch*colourDepth);
+		srcOffset += width*colourDepth;
+		dstOffset += pitch;
+	}
+}
+
+
+void cellSpursJobQueueMain(CellSpursJobContext2 *pContext, CellSpursJob256 *pJob)
+{
+	// 	CellSpursTaskId idTask = cellSpursGetTaskId();
+	unsigned int idSpu = cellSpursGetCurrentSpuId();
+
+	if(sc_verbose)
+		spu_print("LevelRenderer_cull [SPU#%u] start\n", idSpu);
+
+	g_pSpursJobContext = pContext;
+	uint32_t eaDataIn = pJob->workArea.userData[0];						
+// 	uint32_t eaDataOut =pJob->workArea.userData[1];
+
+	Renderer_TextureUpdate_DataIn dataIn;
+	DmaData_SPU::getAndWait(&dataIn, eaDataIn, sizeof(Renderer_TextureUpdate_DataIn));
+
+	if(sc_verbose)
+		spu_print("Renderer_TextureDataUpdate [SPU#%u] \n", idSpu);
+
+	TextureDataUpdate(dataIn.xoffset, dataIn.yoffset, dataIn.width, dataIn.height, dataIn.pitch, dataIn.pSrcData, dataIn.pDstData, dataIn.level );
+
+
+	if(sc_verbose)
+		spu_print("Renderer_TextureDataUpdate [SPU#%u] exit\n", idSpu);
+}
+