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- implemented desaturation for the legacy GL renderer's 2D.

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A lot of work that's only needed to be able to use the hardware renderer's 2D code with the software renderer.
This commit is contained in:
Christoph Oelckers 2018-03-30 18:14:42 +02:00
commit 832df6d43a
11 changed files with 168 additions and 60 deletions
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18
src/v_2ddrawer.cpp
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@ -180,22 +180,8 @@ bool F2DDrawer::SetStyle(FTexture *tex, DrawParms &parms, PalEntry &vertexcolor,
if (parms.specialcolormap != nullptr)
{ // Emulate an invulnerability or similar colormap.
float *start, *end;
start = parms.specialcolormap->ColorizeStart;
end = parms.specialcolormap->ColorizeEnd;
if (quad.mDrawMode == DTM_Invert)
{
quad.mDrawMode = DTM_Normal;
std::swap(start, end);
}
quad.mFlags |= DTF_SpecialColormap;
// SpecialColormap uses the two color uniforms to set its ramp.
quad.mColor1.r = (uint8_t)(start[0] * (255 / 2));
quad.mColor1.g = (uint8_t)(start[1] * (255 / 2));
quad.mColor1.b = (uint8_t)(start[2] * (255 / 2));
quad.mColor2.r = (uint8_t)(end[0] * (255 / 2));
quad.mColor2.g = (uint8_t)(end[1] * (255 / 2));
quad.mColor2.b = (uint8_t)(end[2] * (255 / 2));
quad.mSpecialColormap = parms.specialcolormap;
quad.mColor1 = 0; // this disables the color overlay.
}
quad.mDesaturate = parms.desaturate;
}