From 2680d8ce1b9555daf150fc0f50743d3f0fd8ce8a Mon Sep 17 00:00:00 2001 From: Simon Forman Date: Sun, 26 Feb 2023 11:12:07 -0800 Subject: [PATCH] Okay, alright, skipping blank pixels. --- implementations/uvm-ncc/xerblin.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/implementations/uvm-ncc/xerblin.c b/implementations/uvm-ncc/xerblin.c index 89acf81..a5b776a 100644 --- a/implementations/uvm-ncc/xerblin.c +++ b/implementations/uvm-ncc/xerblin.c @@ -19,8 +19,12 @@ draw_char(u8 ch, u64 dest_x, u64 dest_y) u32* character_data = font_data[ch]; for (size_t x = 0; x < font_width; ++x) { 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 dest_pixel = *pix_ptr; + u32 pixel = character_data[x + font_width * y]; + if (!(pixel >> 24)) { // no alpha + continue; + } *pix_ptr = pixel; } }