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Manually hoist consts before the loop

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It is optimised in release builds, but it will help in debug mode
This commit is contained in:
Michał Janiszewski
2017-07-20 19:36:37 +02:00
parent 8c9da63aa5
commit ee07695cce
1 changed files with 5 additions and 2 deletions
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7
src/openrct2/drawing/X8DrawingEngine.cpp
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@@ -710,11 +710,14 @@ void X8DrawingContext::FilterRect(FILTER_PALETTE_ID palette, sint32 left, sint32
rct_g1_element * g1Element = &g1Elements[g1Index];
uint8 * g1Bits = g1Element->offset;
const sint32 scaled_width = width >> dpi->zoom_level;
const sint32 step = ((dpi->width >> dpi->zoom_level) + dpi->pitch);
// Fill the rectangle with the colours from the colour table
for (sint32 i = 0; i < height >> dpi->zoom_level; i++)
{
uint8 * nextdst = dst + ((dpi->width >> dpi->zoom_level) + dpi->pitch) * i;
for (sint32 j = 0; j < (width >> dpi->zoom_level); j++)
uint8 * nextdst = dst + step * i;
for (sint32 j = 0; j < scaled_width; j++)
{
*(nextdst + j) = g1Bits[*(nextdst + j)];
}