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Reduce stencil shadows memory usage

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Silent 2016-04-24 22:00:51 +02:00
parent 27d80800a0
commit 181f492a03
1 changed files with 21 additions and 0 deletions
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21
SilentPatchSA/SilentPatchSA.cpp
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@ -863,6 +863,20 @@ void UpdateEscalators()
}
static char** pStencilShadowsPad = *AddressByVersion<char***>(0x70FC4F, 0, 0);
void StencilShadowAlloc( )
{
static char* pMemory = nullptr;
if ( pMemory == nullptr )
{
pMemory = static_cast<char*>( orgNewAlloc( 3 * 0x6000 ) );
pStencilShadowsPad[0] = pMemory;
pStencilShadowsPad[1] = pMemory+0x6000;
pStencilShadowsPad[2] = pMemory+(2*0x6000);
}
}
#include <xnamath.h>
static void* pNVCShader = nullptr;
@ -2918,6 +2932,13 @@ void Patch_SA_10()
orgEscalatorsUpdate = (void(*)())(*(int*)(pUpdateEscalators+1) + pUpdateEscalators + 5);
InjectHook(0x7185B5, UpdateEscalators);
InjectHook(0x71791F, &CEscalator::SwitchOffNoRemove);
// Don't allocate constant memory for stencil shadows every frame
InjectHook(0x711DD5, StencilShadowAlloc, PATCH_CALL);
Nop(0x711E0D, 3);
Patch<WORD>(0x711DDA, 0x2CEB);
Patch<DWORD>(0x711E5F, 0x90C35D5F); // pop edi, pop ebp, ret