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voodoo_render.cpp: Use util::sext and rotate inline

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This commit is contained in:
AJR 2023-08-31 21:27:30 -04:00
parent 5bb96d67f8
commit 7b2a7ebdd1
1 changed files with 4 additions and 4 deletions
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8
src/devices/video/voodoo_render.cpp
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@ -1211,9 +1211,9 @@ void rasterizer_palette::compute_ncc(u32 const *regs)
s32 q = regs[8 + BIT(index, 0, 2)];
// add the coloring
s32 r = std::clamp(y + (s32(i << 5) >> 23) + (s32(q << 5) >> 23), 0, 255);
s32 g = std::clamp(y + (s32(i << 14) >> 23) + (s32(q << 14) >> 23), 0, 255);
s32 b = std::clamp(y + (s32(i << 23) >> 23) + (s32(q << 23) >> 23), 0, 255);
s32 r = std::clamp(y + util::sext(i >> 18, 9) + util::sext(q >> 18, 9), 0, 255);
s32 g = std::clamp(y + util::sext(i >> 9, 9) + util::sext(q >> 9, 9), 0, 255);
s32 b = std::clamp(y + util::sext(i , 9) + util::sext(q , 9), 0, 255);
// fill in the table
m_texel[index] = rgb_t(0xff, r, g, b);
@ -1372,7 +1372,7 @@ inline bool ATTR_FORCE_INLINE voodoo_renderer::stipple_test(thread_stats_block &
// rotate mode
if (fbzmode.stipple_pattern() == 0)
{
stipple = (stipple >> 1) | (stipple << 31);
stipple = rotr_32(stipple, 1);
if (s32(stipple) >= 0)
{
threadstats.stipple_count++;