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compositor: Make sure surface->transform.matrix,inverse are always valid 

First step towards getting rid of the transform.enabled optimization.
This commit is contained in:
Kristian Høgsberg 2013-02-19 17:04:50 -05:00
parent 184df50d3e
commit c1e6c8a2ed
1 changed files with 11 additions and 0 deletions
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11
src/compositor.c
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@ -596,6 +596,17 @@ weston_surface_update_transform_disable(struct weston_surface *surface)
surface->geometry.x = roundf(surface->geometry.x);
surface->geometry.y = roundf(surface->geometry.y);
/* Otherwise identity matrix, but with x and y translation. */
surface->transform.position.matrix.type = WESTON_MATRIX_TRANSFORM_TRANSLATE;
surface->transform.position.matrix.d[12] = surface->geometry.x;
surface->transform.position.matrix.d[13] = surface->geometry.y;
surface->transform.matrix = surface->transform.position.matrix;
surface->transform.inverse.type = WESTON_MATRIX_TRANSFORM_TRANSLATE;
surface->transform.inverse.d[12] = -surface->geometry.x;
surface->transform.inverse.d[13] = -surface->geometry.y;
pixman_region32_init_rect(&surface->transform.boundingbox,
surface->geometry.x,
surface->geometry.y,