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gl-renderer: Test axis alignment once per paint node

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The axis alignment test is part of the damage transformation routine
executed for each damage rect. Extract it in order to compute it once
per paint node.

Signed-off-by: Loïc Molinari <loic.molinari@collabora.com>
This commit is contained in:
Loïc Molinari 2023-08-31 12:20:17 +02:00 committed by Marius Vlad
parent 445e83c417
commit 946bb51a2a
2 changed files with 22 additions and 15 deletions
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24
clients/cliptest.c
View file

@ -112,7 +112,7 @@ weston_coord_global_to_surface(struct weston_view *view, struct weston_coord_glo
static void
global_to_surface(pixman_box32_t *rect, struct weston_view *ev,
struct clipper_vertex polygon[4], bool *axis_aligned)
struct clipper_vertex polygon[4])
{
struct weston_coord_global rect_g[4] = {
{ .c = weston_coord(rect->x1, rect->y1) },
@ -128,9 +128,13 @@ global_to_surface(pixman_box32_t *rect, struct weston_view *ev,
polygon[i].x = (float)rect_s.x;
polygon[i].y = (float)rect_s.y;
}
}
*axis_aligned = !ev->transform.enabled ||
(ev->transform.matrix.type < WESTON_MATRIX_TRANSFORM_ROTATE);
static bool
node_axis_aligned(const struct weston_view *view)
{
return !view->transform.enabled ||
(view->transform.matrix.type < WESTON_MATRIX_TRANSFORM_ROTATE);
}
/* ---------------------- copied ends -----------------------*/
@ -279,12 +283,11 @@ redraw_handler(struct widget *widget, void *data)
cairo_surface_t *surface;
struct clipper_quad quad;
struct clipper_vertex transformed_v[4], v[8];
bool axis_aligned;
int n;
global_to_surface(&g->quad, &cliptest->view, transformed_v,
&axis_aligned);
clipper_quad_init(&quad, transformed_v, axis_aligned);
global_to_surface(&g->quad, &cliptest->view, transformed_v);
clipper_quad_init(&quad, transformed_v,
node_axis_aligned(&cliptest->view));
n = clipper_quad_clip_box32(&quad, &g->surf, v);
widget_get_allocation(cliptest->widget, &allocation);
@ -554,7 +557,6 @@ benchmark(void)
struct geometry geom;
struct clipper_quad quad;
struct clipper_vertex transformed_v[4], v[8];
bool axis_aligned;
int i;
double t;
const int N = 1000000;
@ -579,9 +581,9 @@ benchmark(void)
reset_timer();
for (i = 0; i < N; i++) {
geometry_set_phi(&geom, (float)i / 360.0f);
global_to_surface(&geom.quad, &view, transformed_v,
&axis_aligned);
clipper_quad_init(&quad, transformed_v, axis_aligned);
global_to_surface(&geom.quad, &view, transformed_v);
clipper_quad_init(&quad, transformed_v,
node_axis_aligned(&view));
clipper_quad_clip_box32(&quad, &geom.surf, v);
}
t = read_timer();

13
libweston/renderer-gl/gl-renderer.c
View file

@ -1225,7 +1225,7 @@ compress_bands(pixman_box32_t *inrects, int nrects, pixman_box32_t **outrects)
static void
global_to_surface(pixman_box32_t *rect, struct weston_view *ev,
struct clipper_vertex polygon[4], bool *axis_aligned)
struct clipper_vertex polygon[4])
{
struct weston_coord_global rect_g[4] = {
{ .c = weston_coord(rect->x1, rect->y1) },
@ -1241,9 +1241,13 @@ global_to_surface(pixman_box32_t *rect, struct weston_view *ev,
polygon[i].x = (float)rect_s.x;
polygon[i].y = (float)rect_s.y;
}
}
*axis_aligned = !ev->transform.enabled ||
(ev->transform.matrix.type < WESTON_MATRIX_TRANSFORM_ROTATE);
static bool
node_axis_aligned(const struct weston_view *view)
{
return !view->transform.enabled ||
(view->transform.matrix.type < WESTON_MATRIX_TRANSFORM_ROTATE);
}
/* Transform damage 'region' in global coordinates to damage 'quads' in surface
@ -1276,8 +1280,9 @@ transform_damage(const struct weston_paint_node *pnode,
*nquads = nrects;
view = pnode->view;
axis_aligned = node_axis_aligned(view);
for (i = 0; i < nrects; i++) {
global_to_surface(&rects[i], view, polygon, &axis_aligned);
global_to_surface(&rects[i], view, polygon);
clipper_quad_init(&quads_alloc[i], polygon, axis_aligned);
}