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Add a dirty flag for arraybases. 

Only loop through and call getPointers when something has actually
changed.
Worth about 2-4% speedup un SMG over the previous commit.
This commit is contained in:
Scott Mansell 2015-05-30 03:58:27 +12:00
parent f57517f1a0
commit 7df6982973
4 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
Source/Core/VideoBackends/Software/CPMemLoader.cpp
View File

@ -23,11 +23,13 @@ void SWLoadCPReg(u32 sub_cmd, u32 value)
case 0x50:
g_main_cp_state.vtx_desc.Hex &= ~0x1FFFF; // keep the Upper bits
g_main_cp_state.vtx_desc.Hex |= value;
g_main_cp_state.bases_dirty = true;
break;
case 0x60:
g_main_cp_state.vtx_desc.Hex &= 0x1FFFF; // keep the lower 17Bits
g_main_cp_state.vtx_desc.Hex |= (u64)value << 17;
g_main_cp_state.bases_dirty = true;
break;
case 0x70:
@ -48,6 +50,7 @@ void SWLoadCPReg(u32 sub_cmd, u32 value)
// Pointers to vertex arrays in GC RAM
case 0xA0:
g_main_cp_state.array_bases[sub_cmd & 0xF] = value;
g_main_cp_state.bases_dirty = true;
break;
case 0xB0:

3
Source/Core/VideoCommon/CPMemory.cpp
View File

@ -22,7 +22,10 @@ void DoCPState(PointerWrap& p)
p.DoArray(g_main_cp_state.vtx_attr, 8);
p.DoMarker("CP Memory");
if (p.mode == PointerWrap::MODE_READ)
{
CopyPreprocessCPStateFromMain();
g_main_cp_state.bases_dirty = true;
}
}
void CopyPreprocessCPStateFromMain()

1
Source/Core/VideoCommon/CPMemory.h
View File

@ -255,6 +255,7 @@ struct CPState final
// Attributes that actually belong to VertexLoaderManager:
BitSet32 attr_dirty;
bool bases_dirty;
VertexLoaderBase* vertex_loaders[8];
};

9
Source/Core/VideoCommon/VertexLoaderManager.cpp
View File

@ -56,6 +56,10 @@ void Shutdown()
void UpdateVertexArrayPointers()
{
// Anything to update?
if (!g_main_cp_state.bases_dirty)
return;
// Some games such as Burnout 2 can put invalid addresses into
// the array base registers. (see issue 8591)
// But the vertex arrays with invalid addresses aren't actually enabled.
@ -67,6 +71,8 @@ void UpdateVertexArrayPointers()
if (g_main_cp_state.vtx_desc.GetVertexArrayStatus(i) >= 0x2)
cached_arraybases[i] = Memory::GetPointer(g_main_cp_state.array_bases[i]);
}
g_main_cp_state.bases_dirty = false;
}
namespace
@ -224,12 +230,14 @@ void LoadCPReg(u32 sub_cmd, u32 value, bool is_preprocess)
state->vtx_desc.Hex &= ~0x1FFFF; // keep the Upper bits
state->vtx_desc.Hex |= value;
state->attr_dirty = BitSet32::AllTrue(8);
state->bases_dirty = true;
break;
case 0x60:
state->vtx_desc.Hex &= 0x1FFFF; // keep the lower 17Bits
state->vtx_desc.Hex |= (u64)value << 17;
state->attr_dirty = BitSet32::AllTrue(8);
state->bases_dirty = true;
break;
case 0x70:
@ -253,6 +261,7 @@ void LoadCPReg(u32 sub_cmd, u32 value, bool is_preprocess)
// Pointers to vertex arrays in GC RAM
case 0xA0:
state->array_bases[sub_cmd & 0xF] = value;
state->bases_dirty = true;
break;
case 0xB0: