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faster drawTile, remove repeat clipping checks #1801

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merged 1 commit into from
Jan 9, 2022
Merged

faster drawTile, remove repeat clipping checks #1801

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11 changes: 10 additions & 1 deletion src/core/draw.c
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,15 @@ static void setPixel(tic_core* core, s32 x, s32 y, u8 color)
tic_api_poke4((tic_mem*)core, y * TIC80_WIDTH + x, color);
}

static void setPixelFast(tic_core* core, s32 x, s32 y, u8 color)
{
const tic_vram* vram = &core->memory.ram.vram;

// does not do any CLIP checking, the caller needs to do that first

tic_api_poke4((tic_mem*)core, y * TIC80_WIDTH + x, color);
}

static u8 getPixel(tic_core* core, s32 x, s32 y)
{
return tic_api_peek4((tic_mem*)core, y * TIC80_WIDTH + x);
Expand Down Expand Up @@ -129,7 +138,7 @@ static void drawRectBorder(tic_core* core, s32 x, s32 y, s32 width, s32 height,
for(s32 px=sx; px < ex; px++, xx++) \
{ \
u8 color = mapping[tic_tilesheet_gettilepix(tile, (X), (Y))];\
if(color != TRANSPARENT_COLOR) setPixel(core, xx, y, color); \
if(color != TRANSPARENT_COLOR) setPixelFast(core, xx, y, color); \
} \
} \
} while(0)
Expand Down