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gsdx: improve UserHacks_align_sprite_X hack for ace combat 

Game uses 1x1 texture sampling. In this condition we don't care
if texture is correctly aligned.
This commit is contained in:
Gregory Hainaut 2015-04-03 23:00:54 +02:00
parent 53ab390e72
commit 183b5d4def
1 changed files with 6 additions and 2 deletions
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8
plugins/GSdx/GSRendererHW.cpp
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@ -330,13 +330,17 @@ void GSRendererHW::Draw()
// Note for performance reason I do the check only once on the first
// primitive
int win_position = v[1].XYZ.X - context->XYOFFSET.OFX;
if (((win_position & 0xF) == 8) && ((v[1].U & 0xF) == 0)) {
const bool unaligned_position = ((win_position & 0xF) == 8);
const bool unaligned_texture = ((v[1].U & 0xF) == 0);
const bool one_texel_widht = (v[1].U == v[0].U);
if (unaligned_position && (unaligned_texture || one_texel_widht)) {
// Normaly vertex are aligned on full pixels and texture in half
// pixels. Let's extend the coverage of an half-pixel to avoid
// hole after upscaling
for(size_t i = 0; i < count; i += 2) {
v[i+1].XYZ.X += 8;
v[i+1].U += 8;
if (!one_texel_widht)
v[i+1].U += 8;
}
}
}