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second step in dlist optimizations: test the hashes only when the cpu could change the contents of the dlist, this is after it been processed, or at frame finish.

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this is marcos idea so the credits go to him.
please test the broken games in my last commits to see if this solve all the issues.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7114 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Rodolfo Osvaldo Bogado
2011-02-08 12:00:41 +00:00
parent 8c41d31651
commit 00c35451f6
3 changed files with 19 additions and 16 deletions
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22
Source/Core/VideoCommon/Src/DLCache.cpp
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@ -49,10 +49,6 @@ using namespace Gen;
namespace DLCache
{
// Currently just recompiles the DLs themselves, doesn't bother with the vertex data.
// The speed boost is pretty small. The real big boost will come when we also store
// vertex arrays in the cached DLs.
enum DisplayListPass {
DLPASS_ANALYZE,
DLPASS_COMPILE,
@ -578,7 +574,7 @@ void CompileAndRunDisplayList(u32 address, u32 size, CachedDisplayList *dl)
numVertices);
u8* EndAddress = VertexManager::s_pCurBufferPointer;
u32 Vdatasize = (u32)(EndAddress - StartAddress);
if (size > 0)
if (size > 0 && numVertices > 0)
{
// Compile
ReferencedDataRegion* NewRegion = new ReferencedDataRegion;
@ -735,17 +731,17 @@ bool HandleDisplayList(u32 address, u32 size)
break;
case DLCache::DLPASS_RUN:
{
// Every N draws, check hash
bool DlistChanged = false;
if (dl.check != CheckContextId)
{
dl.check = CheckContextId;
if (dl.dl_hash != GetHash64(Memory::GetPointer(address), size, 0) || !dl.CheckRegions())
{
dl.uncachable = true;
dl.check = 60;
dl.ClearRegions();
return false;
}
DlistChanged = !dl.CheckRegions() || dl.dl_hash != GetHash64(Memory::GetPointer(address), size, 0);
}
if (DlistChanged)
{
dl.uncachable = true;
dl.ClearRegions();
return false;
}
dl.frame_count= frameCount;
u8 *old_datareader = g_pVideoData;