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PixelShaderGen: Perform some of the fog calculations with integers.

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This commit is contained in:
Tony Wasserka
2013-12-16 13:08:09 +01:00
parent 605b687af8
commit 065919f599
4 changed files with 34 additions and 27 deletions
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28
Source/Core/VideoCommon/PixelShaderManager.cpp
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@ -85,15 +85,15 @@ void PixelShaderManager::SetConstants()
// they are the coefficients from the center to the border of the screen
// so to simplify I use the hi coefficient as K in the shader taking 256 as the scale
// TODO: Shouldn't this be EFBToScaledXf?
constants.fog[1][0] = ScreenSpaceCenter;
constants.fog[1][1] = (float)Renderer::EFBToScaledX((int)(2.0f * xfregs.viewport.wd));
constants.fog[1][2] = bpmem.fogRange.K[4].HI / 256.0f;
constants.fogf[0][0] = ScreenSpaceCenter;
constants.fogf[0][1] = (float)Renderer::EFBToScaledX((int)(2.0f * xfregs.viewport.wd));
constants.fogf[0][2] = bpmem.fogRange.K[4].HI / 256.0f;
}
else
{
constants.fog[1][0] = 0;
constants.fog[1][1] = 1;
constants.fog[1][2] = 1;
constants.fogf[0][0] = 0;
constants.fogf[0][1] = 1;
constants.fogf[0][2] = 1;
}
dirty = true;
@ -282,17 +282,17 @@ void PixelShaderManager::SetFogParamChanged()
{
if (!g_ActiveConfig.bDisableFog)
{
constants.fog[0][0] = bpmem.fog.a.GetA();
constants.fog[0][1] = (float)bpmem.fog.b_magnitude / 0xFFFFFF;
constants.fog[0][2] = bpmem.fog.c_proj_fsel.GetC();
constants.fog[0][3] = (float)(1 << bpmem.fog.b_shift);
constants.fogf[1][0] = bpmem.fog.a.GetA();
constants.fogi[0][1] = bpmem.fog.b_magnitude;
constants.fogf[1][2] = bpmem.fog.c_proj_fsel.GetC();
constants.fogi[0][3] = bpmem.fog.b_shift;
}
else
{
constants.fog[0][0] = 0;
constants.fog[0][1] = 1;
constants.fog[0][2] = 0;
constants.fog[0][3] = 1;
constants.fogf[1][0] = 0.f;
constants.fogi[0][1] = 1;
constants.fogf[1][2] = 0.f;
constants.fogi[0][3] = 1;
}
dirty = true;
}