diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/modules/swab/swab.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/modules/swab/swab.c b/src/modules/swab/swab.c index 343eb04..c4f1c91 100644 --- a/src/modules/swab/swab.c +++ b/src/modules/swab/swab.c @@ -105,6 +105,7 @@ static void swab_render_fragment(til_module_context_t *context, til_stream_t *st { swab_context_t *ctxt = (swab_context_t *)context; til_fb_fragment_t *fragment = *fragment_ptr; + unsigned frag_w = fragment->width, frag_h = fragment->height; float cos_r = cos(ctxt->r); float sin_r = sin(ctxt->r); @@ -112,12 +113,13 @@ static void swab_render_fragment(til_module_context_t *context, til_stream_t *st float z2 = sin_r; float xscale = 1.f / (float)fragment->frame_width; float yscale = 1.f / (float)fragment->frame_height; + float yscaled; - for (int y = fragment->y; y < fragment->y + fragment->height; y++) { - float yscaled = (float)y * yscale; + yscaled = (float)fragment->y * yscale; + for (unsigned y = 0; y < frag_h; y++, yscaled += yscale) { + float xscaled = (float)fragment->x * xscale; - for (int x = fragment->x; x < fragment->x + fragment->width; x++) { - float xscaled = (float)x * xscale; + for (unsigned x = 0; x < frag_w; x++, xscaled += xscale) { color_t color; uint32_t pixel; float t; @@ -129,7 +131,7 @@ static void swab_render_fragment(til_module_context_t *context, til_stream_t *st color.b = din(ctxt->din, &(v3f_t){ .x = xscaled * .81f, .y = yscaled * .81f, .z = z2 }) * t; pixel = color_to_uint32(color); - til_fb_fragment_put_pixel_unchecked(fragment, 0, x, y, pixel); + til_fb_fragment_put_pixel_unchecked(fragment, 0, fragment->x + x, fragment->y + y, pixel); } } } |