Use the new helper to populate the cursor state as well, with some
special-case handling to account for how we always upload a full-size
BO.
Signed-off-by: Daniel Stone <dani...@collabora.com>
Reported-by: Derek Foreman <der...@osg.samsung.com>
---
libweston/compositor-drm.c | 48 +++++++++++++++++++++++-----------------------
1 file changed, 24 insertions(+), 24 deletions(-)
diff --git a/libweston/compositor-drm.c b/libweston/compositor-drm.c
index d97efd761..dbe53513b 100644
--- a/libweston/compositor-drm.c
+++ b/libweston/compositor-drm.c
@@ -2827,10 +2827,8 @@ drm_output_prepare_cursor_view(struct drm_output_state
*output_state,
struct drm_backend *b = to_drm_backend(output->base.compositor);
struct drm_plane *plane = output->cursor_plane;
struct drm_plane_state *plane_state;
- struct weston_buffer_viewport *viewport = &ev->surface->buffer_viewport;
struct wl_shm_buffer *shmbuf;
bool needs_update = false;
- float x, y;
if (!plane)
return NULL;
@@ -2860,16 +2858,6 @@ drm_output_prepare_cursor_view(struct drm_output_state
*output_state,
if (wl_shm_buffer_get_format(shmbuf) != WL_SHM_FORMAT_ARGB8888)
return NULL;
- if (output->base.transform != WL_OUTPUT_TRANSFORM_NORMAL)
- return NULL;
- if (ev->transform.enabled &&
- (ev->transform.matrix.type > WESTON_MATRIX_TRANSFORM_TRANSLATE))
- return NULL;
- if (viewport->buffer.scale != output->base.current_scale)
- return NULL;
- if (ev->geometry.scissor_enabled)
- return NULL;
-
if (ev->surface->width > b->cursor_width ||
ev->surface->height > b->cursor_height)
return NULL;
@@ -2880,6 +2868,26 @@ drm_output_prepare_cursor_view(struct drm_output_state
*output_state,
if (plane_state && plane_state->fb)
return NULL;
+ /* We can't scale with the legacy API, and we don't try to account for
+ * simple cropping/translation in cursor_bo_update. */
+ plane_state->output = output;
+ drm_plane_state_coords_for_view(plane_state, ev);
+ if (plane_state->src_x != 0 || plane_state->src_y != 0 ||
+ plane_state->src_w > (unsigned) b->cursor_width << 16 ||
+ plane_state->src_h > (unsigned) b->cursor_height << 16 ||
+ plane_state->src_w != plane_state->dest_w << 16 ||
+ plane_state->src_h != plane_state->dest_h << 16)
+ goto err;
+
+ /* The cursor API is somewhat special: in cursor_bo_update(), we upload
+ * a buffer which is always cursor_width x cursor_height, even if the
+ * surface we want to promote is actually smaller than this. Manually
+ * mangle the plane state to deal with this. */
+ plane_state->src_w = b->cursor_width << 16;
+ plane_state->src_h = b->cursor_height << 16;
+ plane_state->dest_w = b->cursor_width;
+ plane_state->dest_h = b->cursor_height;
+
/* Since we're setting plane state up front, we need to work out
* whether or not we need to upload a new cursor. We can't use the
* plane damage, since the planes haven't actually been calculated
@@ -2896,26 +2904,18 @@ drm_output_prepare_cursor_view(struct drm_output_state
*output_state,
}
output->cursor_view = ev;
- weston_view_to_global_float(ev, 0, 0, &x, &y);
- plane->base.x = x;
- plane->base.y = y;
plane_state->fb =
drm_fb_ref(output->gbm_cursor_fb[output->current_cursor]);
- plane_state->output = output;
- plane_state->src_x = 0;
- plane_state->src_y = 0;
- plane_state->src_w = b->cursor_width << 16;
- plane_state->src_h = b->cursor_height << 16;
- plane_state->dest_x = (x - output->base.x) * output->base.current_scale;
- plane_state->dest_y = (y - output->base.y) * output->base.current_scale;
- plane_state->dest_w = b->cursor_width;
- plane_state->dest_h = b->cursor_height;
if (needs_update)
cursor_bo_update(b, plane_state->fb->bo, ev);
return &plane->base;
+
+err:
+ drm_plane_state_put_back(plane_state);
+ return NULL;
}
static void
--
2.14.3
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