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burningvideo 0.54

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removed CTRGouraudAlpha2.cpp
added CTRParallaxMap.cpp

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6371 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
engineer_apple
2022-05-03 20:47:32 +00:00
parent 9db39e8534
commit 21e2569e5b
38 changed files with 1922 additions and 1066 deletions
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51
source/Irrlicht/SoftwareDriver2_helper.h
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@@ -1154,6 +1154,57 @@ static REALINLINE void getSample_texture(tFixPoint& a, tFixPoint& r, tFixPoint&
}
// get Sample bilinear
static REALINLINE void getSample_texture(tFixPoint& a,
const sInternalTexture* burning_restrict tex, const tFixPointu tx, const tFixPointu ty
)
{
tFixPointu a00;
tFixPointu a01;
tFixPointu a10;
tFixPointu a11;
size_t o0, o1, o2, o3;
tVideoSample t00;
o0 = (((ty)&tex->textureYMask) >> FIX_POINT_PRE) << tex->pitchlog2;
o1 = (((ty + FIX_POINT_ONE) & tex->textureYMask) >> FIX_POINT_PRE) << tex->pitchlog2;
o2 = ((tx)&tex->textureXMask) >> (FIX_POINT_PRE - SOFTWARE_DRIVER_2_TEXTURE_GRANULARITY);
o3 = ((tx + FIX_POINT_ONE) & tex->textureXMask) >> (FIX_POINT_PRE - SOFTWARE_DRIVER_2_TEXTURE_GRANULARITY);
t00 = *((tVideoSample*)((u8*)tex->data + (o0 + o2)));
a00 = (t00 & MASK_A) >> SHIFT_A;
t00 = *((tVideoSample*)((u8*)tex->data + (o0 + o3)));
a10 = (t00 & MASK_A) >> SHIFT_A;
t00 = *((tVideoSample*)((u8*)tex->data + (o1 + o2)));
a01 = (t00 & MASK_A) >> SHIFT_A;
t00 = *((tVideoSample*)((u8*)tex->data + (o1 + o3)));
a11 = (t00 & MASK_A) >> SHIFT_A;
const tFixPointu txFract = tx & FIX_POINT_FRACT_MASK;
const tFixPointu txFractInv = FIX_POINT_ONE - txFract;
const tFixPointu tyFract = ty & FIX_POINT_FRACT_MASK;
const tFixPointu tyFractInv = FIX_POINT_ONE - tyFract;
const tFixPointu w00 = imulFixu(txFractInv, tyFractInv);
const tFixPointu w10 = imulFixu(txFract, tyFractInv);
const tFixPointu w01 = imulFixu(txFractInv, tyFract);
const tFixPointu w11 = imulFixu(txFract, tyFract);
a = (a00 * w00) +
(a01 * w01) +
(a10 * w10) +
(a11 * w11);
fix_alpha_color_max(a);
}
#else // SOFTWARE_DRIVER_2_BILINEAR
// get Sample linear == getSample_fixpoint