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Okay, alright, skipping blank pixels.

This commit is contained in:
Simon Forman 2023-02-26 11:12:07 -08:00
parent 051b9a46b8
commit 2680d8ce1b
1 changed files with 5 additions and 1 deletions
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6
implementations/uvm-ncc/xerblin.c
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@ -19,8 +19,12 @@ draw_char(u8 ch, u64 dest_x, u64 dest_y)
u32* character_data = font_data[ch]; u32* character_data = font_data[ch];
for (size_t x = 0; x < font_width; ++x) { for (size_t x = 0; x < font_width; ++x) {
for (size_t y = 0; y < font_height; ++y) { for (size_t y = 0; y < font_height; ++y) {
u32 pixel = character_data[x + font_width * y];
u32* pix_ptr = dest + x + FRAME_WIDTH * y; u32* pix_ptr = dest + x + FRAME_WIDTH * y;
u32 dest_pixel = *pix_ptr;
u32 pixel = character_data[x + font_width * y];
if (!(pixel >> 24)) { // no alpha
continue;
}
*pix_ptr = pixel; *pix_ptr = pixel;
} }
} }