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Add block transfer to null gpu.

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For tests, better to have it here.
This commit is contained in:
Unknown W. Brackets 2014-08-30 22:14:58 -07:00
parent de0a914d3b
commit e1d2e72480
1 changed files with 40 additions and 10 deletions
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50
GPU/Null/NullGpu.cpp
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@ -16,12 +16,14 @@
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include "NullGpu.h"
#include "../GPUState.h"
#include "../ge_constants.h"
#include "../../Core/MemMap.h"
#include "../../Core/HLE/sceKernelInterrupt.h"
#include "../../Core/HLE/sceGe.h"
#include "GPU/Null/NullGpu.h"
#include "GPU/GPUState.h"
#include "GPU/ge_constants.h"
#include "Core/Debugger/Breakpoints.h"
#include "Core/MemMap.h"
#include "Core/MIPS/MIPS.h"
#include "Core/HLE/sceKernelInterrupt.h"
#include "Core/HLE/sceGe.h"
NullGPU::NullGPU() { }
NullGPU::~NullGPU() { }
@ -306,10 +308,38 @@ void NullGPU::ExecuteOp(u32 op, u32 diff) {
case GE_CMD_TRANSFERSTART:
{
DEBUG_LOG(G3D, "DL Texture Transfer Start: PixFormat %i", data);
// TODO: Here we should check if the transfer overlaps a framebuffer or any textures,
// and take appropriate action. If not, this should just be a block transfer within
// GPU memory which could be implemented by a copy loop.
u32 srcBasePtr = gstate.getTransferSrcAddress();
u32 srcStride = gstate.getTransferSrcStride();
u32 dstBasePtr = gstate.getTransferDstAddress();
u32 dstStride = gstate.getTransferDstStride();
int srcX = gstate.getTransferSrcX();
int srcY = gstate.getTransferSrcY();
int dstX = gstate.getTransferDstX();
int dstY = gstate.getTransferDstY();
int width = gstate.getTransferWidth();
int height = gstate.getTransferHeight();
int bpp = gstate.getTransferBpp();
DEBUG_LOG(G3D, "Block transfer: %08x/%x -> %08x/%x, %ix%ix%i (%i,%i)->(%i,%i)", srcBasePtr, srcStride, dstBasePtr, dstStride, width, height, bpp, srcX, srcY, dstX, dstY);
for (int y = 0; y < height; y++) {
const u8 *src = Memory::GetPointer(srcBasePtr + ((y + srcY) * srcStride + srcX) * bpp);
u8 *dst = Memory::GetPointer(dstBasePtr + ((y + dstY) * dstStride + dstX) * bpp);
memcpy(dst, src, width * bpp);
}
#ifndef MOBILE_DEVICE
CBreakPoints::ExecMemCheck(srcBasePtr + (srcY * srcStride + srcX) * bpp, false, height * srcStride * bpp, currentMIPS->pc);
CBreakPoints::ExecMemCheck(dstBasePtr + (srcY * dstStride + srcX) * bpp, true, height * dstStride * bpp, currentMIPS->pc);
#endif
// TODO: Correct timing appears to be 1.9, but erring a bit low since some of our other timing is inaccurate.
cyclesExecuted += ((height * width * bpp) * 16) / 10;
break;
}