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screencopy: Move frame bounds sanity check into common code

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This commit is contained in:
Alexander Orzechowski 2023-11-20 11:31:32 -05:00
parent c8861a2865
commit 7a22030071
1 changed files with 18 additions and 13 deletions
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31
types/wlr_screencopy_v1.c
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@ -227,11 +227,6 @@ static bool frame_dma_copy(struct wlr_screencopy_frame_v1 *frame,
struct wlr_renderer *renderer = output->renderer;
assert(renderer);
if (frame->box.x < 0 || frame->box.y < 0 ||
frame->box.x + frame->box.width > src_buffer->width ||
frame->box.y + frame->box.height > src_buffer->height) {
return false;
}
struct wlr_texture *src_tex =
wlr_texture_from_buffer(renderer, src_buffer);
@ -297,27 +292,37 @@ static void frame_handle_output_commit(struct wl_listener *listener,
wl_list_remove(&frame->output_commit.link);
wl_list_init(&frame->output_commit.link);
bool ok;
struct wlr_buffer *src_buffer = event->state->buffer;
if (frame->box.x < 0 || frame->box.y < 0 ||
frame->box.x + frame->box.width > src_buffer->width ||
frame->box.y + frame->box.height > src_buffer->height) {
goto err;
}
switch (frame->buffer_cap) {
case WLR_BUFFER_CAP_DMABUF:
ok = frame_dma_copy(frame, event->state->buffer);
if (!frame_dma_copy(frame, src_buffer)) {
goto err;
}
break;
case WLR_BUFFER_CAP_DATA_PTR:
ok = frame_shm_copy(frame, event->state->buffer);
if (!frame_shm_copy(frame, src_buffer)) {
goto err;
}
break;
default:
abort(); // unreachable
}
if (!ok) {
zwlr_screencopy_frame_v1_send_failed(frame->resource);
frame_destroy(frame);
return;
}
zwlr_screencopy_frame_v1_send_flags(frame->resource, 0);
frame_send_damage(frame);
frame_send_ready(frame, event->when);
frame_destroy(frame);
return;
err:
zwlr_screencopy_frame_v1_send_failed(frame->resource);
frame_destroy(frame);
}
static void frame_handle_output_enable(struct wl_listener *listener,