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compositor: Return more details from meta_actor_painting_untransformed

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This adds x_scale and y_scale information, as well as simplifying the
parameters.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2506>
This commit is contained in:
Daniel van Vugt 2021-06-01 23:50:07 +08:00 committed by Marge Bot
parent 0c12903352
commit b29a6c4d0c
7 changed files with 27 additions and 20 deletions
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21
src/compositor/clutter-utils.c
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@ -69,8 +69,7 @@ gboolean
meta_actor_vertices_are_untransformed (graphene_point3d_t *verts, meta_actor_vertices_are_untransformed (graphene_point3d_t *verts,
float widthf, float widthf,
float heightf, float heightf,
int *x_origin, MetaTransforms *out_transforms)
int *y_origin)
{ {
int width, height; int width, height;
int v0x, v0y, v1x, v1y, v2x, v2y, v3x, v3y; int v0x, v0y, v1x, v1y, v2x, v2y, v3x, v3y;
@ -90,6 +89,14 @@ meta_actor_vertices_are_untransformed (graphene_point3d_t *verts,
x = v0x >> 8; x = v0x >> 8;
y = v0y >> 8; y = v0y >> 8;
if (out_transforms)
{
out_transforms->x_origin = x;
out_transforms->y_origin = y;
out_transforms->x_scale = (v1x - v0x) / (float) width;
out_transforms->y_scale = (v2y - v0y) / (float) height;
}
/* At integral coordinates? */ /* At integral coordinates? */
if (x * 256 != v0x || y * 256 != v0y) if (x * 256 != v0x || y * 256 != v0y)
return FALSE; return FALSE;
@ -103,11 +110,6 @@ meta_actor_vertices_are_untransformed (graphene_point3d_t *verts,
v3x != v1x || v3y != v2y) v3x != v1x || v3y != v2y)
return FALSE; return FALSE;
if (x_origin)
*x_origin = x;
if (y_origin)
*y_origin = y;
return TRUE; return TRUE;
} }
@ -137,8 +139,7 @@ meta_actor_painting_untransformed (CoglFramebuffer *fb,
int paint_height, int paint_height,
int sample_width, int sample_width,
int sample_height, int sample_height,
int *x_origin, MetaTransforms *out_transforms)
int *y_origin)
{ {
graphene_matrix_t modelview, projection, modelview_projection; graphene_matrix_t modelview, projection, modelview_projection;
graphene_point3d_t vertices[4]; graphene_point3d_t vertices[4];
@ -183,6 +184,6 @@ meta_actor_painting_untransformed (CoglFramebuffer *fb,
return meta_actor_vertices_are_untransformed (vertices, return meta_actor_vertices_are_untransformed (vertices,
sample_width, sample_height, sample_width, sample_height,
x_origin, y_origin); out_transforms);
} }

11
src/compositor/clutter-utils.h
View File

@ -23,18 +23,21 @@
#include "clutter/clutter.h" #include "clutter/clutter.h"
typedef struct {
int x_origin, y_origin;
float x_scale, y_scale;
} MetaTransforms;
gboolean meta_actor_vertices_are_untransformed (graphene_point3d_t *verts, gboolean meta_actor_vertices_are_untransformed (graphene_point3d_t *verts,
float widthf, float widthf,
float heightf, float heightf,
int *x_origin, MetaTransforms *out_transforms);
int *y_origin);
gboolean meta_actor_painting_untransformed (CoglFramebuffer *fb, gboolean meta_actor_painting_untransformed (CoglFramebuffer *fb,
int paint_width, int paint_width,
int paint_height, int paint_height,
int sample_widthf, int sample_widthf,
int sample_heightf, int sample_heightf,
int *x_origin, MetaTransforms *out_transforms);
int *y_origin);
#endif /* __META_CLUTTER_UTILS_H__ */ #endif /* __META_CLUTTER_UTILS_H__ */

2
src/compositor/meta-background-content.c
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@ -548,7 +548,7 @@ setup_pipeline (MetaBackgroundContent *self,
actor_pixel_rect->height, actor_pixel_rect->height,
self->texture_width, self->texture_width,
self->texture_height, self->texture_height,
NULL, NULL)) NULL))
{ {
min_filter = COGL_PIPELINE_FILTER_NEAREST; min_filter = COGL_PIPELINE_FILTER_NEAREST;
mag_filter = COGL_PIPELINE_FILTER_NEAREST; mag_filter = COGL_PIPELINE_FILTER_NEAREST;

2
src/compositor/meta-cullable.c
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@ -175,7 +175,7 @@ meta_cullable_default_is_untransformed (MetaCullable *cullable)
clutter_actor_get_abs_allocation_vertices (CLUTTER_ACTOR (cullable), verts); clutter_actor_get_abs_allocation_vertices (CLUTTER_ACTOR (cullable), verts);
return meta_actor_vertices_are_untransformed (verts, width, height, return meta_actor_vertices_are_untransformed (verts, width, height,
NULL, NULL); NULL);
} }
static void static void

2
src/compositor/meta-shaped-texture.c
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@ -712,7 +712,7 @@ do_paint_content (MetaShapedTexture *stex,
if (meta_actor_painting_untransformed (framebuffer, if (meta_actor_painting_untransformed (framebuffer,
dst_width, dst_height, dst_width, dst_height,
sample_width, sample_height, sample_width, sample_height,
NULL, NULL)) NULL))
filter = COGL_PIPELINE_FILTER_NEAREST; filter = COGL_PIPELINE_FILTER_NEAREST;
else else
filter = COGL_PIPELINE_FILTER_LINEAR; filter = COGL_PIPELINE_FILTER_LINEAR;

2
src/compositor/meta-surface-actor.c
View File

@ -331,7 +331,7 @@ meta_surface_actor_is_untransformed (MetaCullable *cullable)
return meta_actor_vertices_are_untransformed (verts, return meta_actor_vertices_are_untransformed (verts,
width * geometry_scale, width * geometry_scale,
height * geometry_scale, height * geometry_scale,
NULL, NULL); NULL);
} }
static void static void

7
src/compositor/meta-window-group.c
View File

@ -92,6 +92,7 @@ meta_window_group_paint (ClutterActor *actor,
{ {
CoglFramebuffer *fb; CoglFramebuffer *fb;
ClutterStageView *view; ClutterStageView *view;
MetaTransforms trans;
fb = clutter_paint_context_get_framebuffer (paint_context); fb = clutter_paint_context_get_framebuffer (paint_context);
view = clutter_paint_context_get_stage_view (paint_context); view = clutter_paint_context_get_stage_view (paint_context);
@ -102,13 +103,15 @@ meta_window_group_paint (ClutterActor *actor,
screen_height, screen_height,
screen_width, screen_width,
screen_height, screen_height,
&paint_x_origin, &trans) ||
&paint_y_origin) ||
!meta_cullable_is_untransformed (META_CULLABLE (actor))) !meta_cullable_is_untransformed (META_CULLABLE (actor)))
{ {
parent_actor_class->paint (actor, paint_context); parent_actor_class->paint (actor, paint_context);
return; return;
} }
paint_x_origin = trans.x_origin;
paint_y_origin = trans.y_origin;
} }
else else
{ {