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| author | Bad Diode <bd@badd10de.dev> | 2022-10-13 10:03:43 +0200 |
|---|---|---|
| committer | Bad Diode <bd@badd10de.dev> | 2022-10-13 10:03:43 +0200 |
| commit | a85aa571d9d998c41dd125c28b09b93c0004d51e (patch) | |
| tree | 5c9e173559184435bec75c79a59f32fb7d3156b0 | |
| parent | bff3fc6dc6a09e5e7acba24806567cc533f3cba0 (diff) | |
| download | uxnnst-a85aa571d9d998c41dd125c28b09b93c0004d51e.tar.gz uxnnst-a85aa571d9d998c41dd125c28b09b93c0004d51e.zip | |
[WIP] Fix out of bounds screen drawing
| -rw-r--r-- | src/ppu.c | 11 |
1 files changed, 6 insertions, 5 deletions
| @@ -64,11 +64,12 @@ rgb565(u32 rgba) { | |||
| 64 | 64 | ||
| 65 | void | 65 | void |
| 66 | ppu_pixel(u8 *layer, u16 x, u16 y, u8 color) { | 66 | ppu_pixel(u8 *layer, u16 x, u16 y, u8 color) { |
| 67 | if(x < screen_width && y < screen_height) { | 67 | if (x >= screen_width || y >= screen_height) { |
| 68 | Uint32 i = x + y *screen_width; | 68 | return; |
| 69 | if(color != layer[i]) { | 69 | } |
| 70 | layer[i] = color; | 70 | Uint32 i = x + y *screen_width; |
| 71 | } | 71 | if(color != layer[i]) { |
| 72 | layer[i] = color; | ||
| 72 | } | 73 | } |
| 73 | dirty_lines[y] |= 1; | 74 | dirty_lines[y] |= 1; |
| 74 | } | 75 | } |