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Do GPU ram<->vram block transfers. Could be smart enough to clear textures from cache but isn't yet.

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Henrik Rydgard 2012-11-22 20:57:41 +01:00
parent 8f33837de9
commit 02a94e52ee
3 changed files with 47 additions and 7 deletions
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46
GPU/GLES/DisplayListInterpreter.cpp
View file

@ -62,6 +62,11 @@ GLES_GPU::GLES_GPU(int renderWidth, int renderHeight)
{
widthFactor_ = (float)renderWidth / 480.0f;
heightFactor_ = (float)renderHeight / 272.0f;
// Sanity check gstate
if ((int *)&gstate.transferstart - (int *)&gstate != 0xEA) {
ERROR_LOG(G3D, "gstate has drifted out of sync!");
}
}
GLES_GPU::~GLES_GPU()
@ -780,15 +785,14 @@ void GLES_GPU::ExecuteOp(u32 op, u32 diff)
case GE_CMD_TRANSFERSTART: // Orphis calls this TRXKICK
{
ERROR_LOG(G3D, "UNIMPL DL Block 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.
// and take appropriate action. This is a block transfer between RAM and VRAM, or vice versa.
DoBlockTransfer();
break;
}
case GE_CMD_TEXSIZE0:
gstate_c.textureChanged=true;
gstate_c.textureChanged = true;
gstate_c.curTextureWidth = 1 << (gstate.texsize[0] & 0xf);
gstate_c.curTextureHeight = 1 << ((gstate.texsize[0]>>8) & 0xf);
//fall thru - ignoring the mipmap sizes for now
@ -799,7 +803,7 @@ void GLES_GPU::ExecuteOp(u32 op, u32 diff)
case GE_CMD_TEXSIZE5:
case GE_CMD_TEXSIZE6:
case GE_CMD_TEXSIZE7:
DEBUG_LOG(G3D,"DL Texture Size: %06x", data);
DEBUG_LOG(G3D,"DL Texture Size %i: %06x", cmd - GE_CMD_TEXSIZE0, data);
break;
case GE_CMD_ZBUFPTR:
@ -1164,3 +1168,35 @@ bool GLES_GPU::InterpretList()
}
return true;
}
void GLES_GPU::DoBlockTransfer()
{
u32 srcBasePtr = (gstate.transfersrc & 0xFFFFFF) | ((gstate.transfersrcw & 0xFF0000) << 8);
u32 srcStride = gstate.transfersrcw & 0x3FF;
u32 dstBasePtr = (gstate.transfersrc & 0xFFFFFF) | ((gstate.transfersrcw & 0xFF0000) << 8);
u32 dstStride = gstate.transfersrcw & 0x3FF;
int srcX = gstate.transfersrcpos & 0x3FF;
int srcY = (gstate.transfersrcpos >> 10) & 0x3FF;
int dstX = gstate.transferdstpos & 0x3FF;
int dstY = (gstate.transferdstpos >> 10) & 0x3FF;
int width = (gstate.transfersize & 0x3FF) + 1;
int height = ((gstate.transfersize >> 10) & 0x3FF) + 1;
int bpp = (gstate.transferstart & 1) ? 4 : 2;
NOTICE_LOG(HLE, "Block transfer: %08x to %08x, %i x %i , ...", srcBasePtr, dstBasePtr, width, height);
// Do the copy!
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) * srcStride + dstX) * bpp);
memcpy(dst, src, width * bpp);
}
// TODO: Notify all overlapping textures that it's time to die/reload.
}

2
GPU/GLES/DisplayListInterpreter.h
View file

@ -46,7 +46,7 @@ public:
virtual void BeginFrame();
private:
void DoBlockTransfer();
bool ProcessDLQueue();
bool interruptsEnabled_;

6
GPU/GPUState.h
View file

@ -220,7 +220,11 @@ struct GPUgstate
lop,
zmsk,
pmsk1,
pmsk2
pmsk2,
transferstart,
transfersrcpos,
transferdstpos,
transfersize
;
u32 pad05[0x63-0x40];