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gl renderer: Properly retrieve matrix scale

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So rotating offscreen nodes works.
This commit is contained in:
Timm Bäder
2018-08-12 17:42:58 +02:00
parent 481a78eee7
commit 5936d7f8f2
1 changed files with 16 additions and 2 deletions
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18
gsk/gl/gskglrenderops.c
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@@ -14,9 +14,23 @@ float
ops_get_scale (const RenderOpBuilder *builder)
{
const graphene_matrix_t *mv = &builder->current_modelview;
graphene_vec3_t col1;
graphene_vec3_t col2;
return MAX (graphene_matrix_get_x_scale (mv),
graphene_matrix_get_y_scale (mv));
/* TODO: We should probably split this up into two values... */
graphene_vec3_init (&col1,
graphene_matrix_get_value (mv, 0, 0),
graphene_matrix_get_value (mv, 1, 0),
graphene_matrix_get_value (mv, 2, 0));
graphene_vec3_init (&col2,
graphene_matrix_get_value (mv, 0, 1),
graphene_matrix_get_value (mv, 1, 1),
graphene_matrix_get_value (mv, 2, 1));
return MAX (graphene_vec3_length (&col1),
graphene_vec3_length (&col2));
}
static inline gboolean