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Implement diff() for color matrix nodes

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This way we don't redraw color matrix nodes all the time.
This commit is contained in:
Timm Bäder 2020-05-13 16:26:35 +02:00
parent f4d3d8e27c
commit b2b2070415
1 changed files with 23 additions and 1 deletions
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24
gsk/gskrendernodeimpl.c
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@ -2331,6 +2331,28 @@ gsk_color_matrix_node_draw (GskRenderNode *node,
cairo_pattern_destroy (pattern);
}
static void
gsk_color_matrix_node_diff (GskRenderNode *node1,
GskRenderNode *node2,
cairo_region_t *region)
{
GskColorMatrixNode *self1 = (GskColorMatrixNode *) node1;
GskColorMatrixNode *self2 = (GskColorMatrixNode *) node2;
if (!graphene_vec4_equal (&self1->color_offset, &self2->color_offset))
goto nope;
if (!graphene_matrix_equal_fast (&self1->color_matrix, &self2->color_matrix))
goto nope;
gsk_render_node_diff (self1->child, self2->child, region);
return;
nope:
gsk_render_node_diff_impossible (node1, node2, region);
return;
}
/**
* gsk_color_matrix_node_new:
* @child: The node to draw
@ -4311,7 +4333,7 @@ gsk_render_node_init_types_once (void)
gsk_color_matrix_node_finalize,
gsk_color_matrix_node_draw,
NULL,
NULL,
gsk_color_matrix_node_diff,
};
GType node_type = gsk_render_node_type_register_static (I_("GskColorMatrixNode"), &node_info);