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-rw-r--r--src/modules/checkers/checkers.c38
1 files changed, 32 insertions, 6 deletions
diff --git a/src/modules/checkers/checkers.c b/src/modules/checkers/checkers.c
index 8875824..8656dfb 100644
--- a/src/modules/checkers/checkers.c
+++ b/src/modules/checkers/checkers.c
@@ -241,13 +241,13 @@ int checkers_fragment_tile_single(const til_fb_fragment_t *fragment, unsigned ti
*(res_fragment->texture) = (til_fb_fragment_t){
.buf = fragment->texture->buf + (yoff * fragment->texture->pitch) - (y ? (yshift * fragment->texture->pitch) : 0) + (xoff - (x ? xshift : 0)),
- .width = MIN(fragment->width - (xoff - xshift), x ? tile_size : (tile_size - xshift)),
- .height = MIN(fragment->height - (yoff - yshift), y ? tile_size : (tile_size - yshift)),
+ .width = MIN(fragment->width - xoff + (x ? xshift : 0), x ? tile_size : (tile_size - xshift)),
+ .height = MIN(fragment->height - yoff + (y ? yshift : 0), y ? tile_size : (tile_size - yshift)),
.x = x ? 0 : xshift,
.y = y ? 0 : yshift,
.frame_width = tile_size,
.frame_height = tile_size,
- .stride = fragment->texture->stride + (fragment->width - MIN(fragment->width - (xoff - xshift), x ? tile_size : (tile_size - xshift))),
+ .stride = fragment->texture->stride + (fragment->width - MIN(fragment->width - xoff + (x ? xshift : 0), x ? tile_size : (tile_size - xshift))),
.pitch = fragment->texture->pitch,
.cleared = fragment->texture->cleared,
};
@@ -257,20 +257,46 @@ int checkers_fragment_tile_single(const til_fb_fragment_t *fragment, unsigned ti
.texture = fragment->texture ? res_fragment->texture : NULL,
/* TODO: copy pasta! */
.buf = fragment->buf + (yoff * fragment->pitch) - (y ? (yshift * fragment->pitch) : 0) + (xoff - (x ? xshift : 0)),
- .width = MIN(fragment->width - (xoff - xshift), x ? tile_size : (tile_size - xshift)),
- .height = MIN(fragment->height - (yoff - yshift), y ? tile_size : (tile_size - yshift)),
+ .width = MIN(fragment->width - xoff + (x ? xshift : 0), x ? tile_size : (tile_size - xshift)),
+ .height = MIN(fragment->height - yoff + (y ? yshift : 0), y ? tile_size : (tile_size - yshift)),
.x = x ? 0 : xshift,
.y = y ? 0 : yshift,
// this is a little janky but leave frame_width to be set by render_fragment
// so it can use the old frame_width for determining checkered state
.frame_width = fragment->width, // becomes tile_size
.frame_height = fragment->height, // becomes tile_size
- .stride = fragment->stride + (fragment->width - MIN(fragment->width - (xoff - xshift), x ? tile_size : (tile_size - xshift))),
+ .stride = fragment->stride + (fragment->width - MIN(fragment->width - xoff + (x ? xshift : 0), x ? tile_size : (tile_size - xshift))),
.pitch = fragment->pitch,
.number = number,
.cleared = fragment->cleared,
};
+ assert(res_fragment->width <= fragment->width);
+ assert(res_fragment->height <= fragment->height);
+
+#if 0
+ fprintf(stderr, "incoming frame=%ux%u frag=%ux%u @=%ux%u, res frame=%ux%u fragwh=%ux%u fragxy=%ux%u off=%ux%u shift=%ux%u xy=%ux%u tsz=%u\n",
+ fragment->frame_width,
+ fragment->frame_height,
+ fragment->width,
+ fragment->height,
+ fragment->x,
+ fragment->y,
+ res_fragment->frame_width,
+ res_fragment->frame_height,
+ res_fragment->width,
+ res_fragment->height,
+ res_fragment->x,
+ res_fragment->y,
+ xoff,
+ yoff,
+ xshift,
+ yshift,
+ x,
+ y,
+ tile_size);
+#endif
+
return 1;
}
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