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sw_engine: tint effect optimization++
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Browse source 
skip interpolation when intensity is 1.0.
since intensity adjustment is optional and
computationally expensive, avoiding it in this case
is worthwhile.
This commit is contained in:
Hermet Park 2025-07-14 23:59:09 +09:00
parent d2b2fb02f0
commit 4a0d17ba83
1 changed files with 4 additions and 2 deletions
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6
src/renderer/sw_engine/tvgSwPostEffect.cpp
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@ -485,7 +485,8 @@ bool effectTint(SwCompositor* cmp, const RenderEffectTint* params, bool direct)
auto dst = dbuffer;
auto src = sbuffer;
for (size_t x = 0; x < w; ++x, ++dst, ++src) {
auto val = INTERPOLATE(INTERPOLATE(white, black, luma((uint8_t*)src)), *src, params->intensity);
auto val = INTERPOLATE(white, black, luma((uint8_t*)src));
if (params->intensity < 255) val = INTERPOLATE(val, *src, params->intensity);
*dst = INTERPOLATE(val, *dst, MULTIPLY(opacity, A(*src)));
}
dbuffer += cmp->image.stride;
@ -497,7 +498,8 @@ bool effectTint(SwCompositor* cmp, const RenderEffectTint* params, bool direct)
for (size_t y = 0; y < h; ++y) {
auto dst = dbuffer;
for (size_t x = 0; x < w; ++x, ++dst) {
auto val = INTERPOLATE(INTERPOLATE(white, black, luma((uint8_t*)&dst)), *dst, params->intensity);
auto val = INTERPOLATE(white, black, luma((uint8_t*)&dst));
if (params->intensity < 255) val = INTERPOLATE(val, *dst, params->intensity);
*dst = ALPHA_BLEND(val, MULTIPLY(opacity, A(*dst)));
}
dbuffer += cmp->image.stride;