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[Plugin_VideoDX9] A minor speed up for SetMultiVSConstant4fv().

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5442 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
nodchip 2010-05-09 03:14:11 +00:00
parent 079f8b630c
commit 7923903f92
1 changed files with 2 additions and 21 deletions
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23
Source/Plugins/Plugin_VideoDX9/Src/VertexShaderCache.cpp
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@ -120,27 +120,8 @@ void SetMultiVSConstant3fv(int const_number, int count, const float *f)
void SetMultiVSConstant4fv(int const_number, int count, const float *f)
{
bool change = false;
for (int i = 0; i < count; i++)
{
if (lastVSconstants[const_number + i][0] != f[0 + i*4] ||
lastVSconstants[const_number + i][1] != f[1 + i*4] ||
lastVSconstants[const_number + i][2] != f[2 + i*4] ||
lastVSconstants[const_number + i][3] != f[3 + i*4])
{
change = true;
break;
}
}
if (change)
{
for (int i = 0; i < count; i++)
{
lastVSconstants[const_number + i][0] = f[0 + i*4];
lastVSconstants[const_number + i][1] = f[1 + i*4];
lastVSconstants[const_number + i][2] = f[2 + i*4];
lastVSconstants[const_number + i][3] = f[3 + i*4];
}
if (memcmp(&lastVSconstants[const_number], f, count * sizeof(float) * 4)) {
memcpy(&lastVSconstants[const_number], f, count * sizeof(float) * 4);
D3D::dev->SetVertexShaderConstantF(const_number, lastVSconstants[const_number], count);
}
}