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gl: And enable subsurface caching of the clones

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-11-25 12:21:18 +00:00
parent 5f6d3fe40b
commit 03be2019cd
1 changed files with 29 additions and 22 deletions
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51
src/cairo-gl-operand.c
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@ -86,31 +86,38 @@ _cairo_gl_subsurface_clone_operand_init (cairo_gl_operand_t *operand,
sub = (cairo_surface_subsurface_t *) src->surface;
status = _cairo_gl_context_acquire (dst->base.device, &ctx);
if (unlikely (status))
return status;
if (sub->snapshot) {
surface = (cairo_gl_surface_t *)
cairo_surface_reference (sub->snapshot);
} else {
status = _cairo_gl_context_acquire (dst->base.device, &ctx);
if (unlikely (status))
return status;
surface = (cairo_gl_surface_t *)
_cairo_gl_surface_create_scratch (ctx,
sub->target->content,
extents->width, extents->height);
if (surface->base.status)
return _cairo_gl_context_release (ctx, surface->base.status);
surface = (cairo_gl_surface_t *)
_cairo_gl_surface_create_scratch (ctx,
sub->target->content,
extents->width, extents->height);
if (surface->base.status)
return _cairo_gl_context_release (ctx, surface->base.status);
_cairo_pattern_init_for_surface (&local_pattern, sub->target);
cairo_matrix_init_translate (&local_pattern.base.matrix,
sub->extents.x, sub->extents.y);
local_pattern.base.filter = CAIRO_FILTER_NEAREST;
status = _cairo_surface_paint (&surface->base,
CAIRO_OPERATOR_SOURCE,
&local_pattern.base,
NULL);
_cairo_pattern_fini (&local_pattern.base);
_cairo_pattern_init_for_surface (&local_pattern, sub->target);
cairo_matrix_init_translate (&local_pattern.base.matrix,
sub->extents.x, sub->extents.y);
local_pattern.base.filter = CAIRO_FILTER_NEAREST;
status = _cairo_surface_paint (&surface->base,
CAIRO_OPERATOR_SOURCE,
&local_pattern.base,
NULL);
_cairo_pattern_fini (&local_pattern.base);
status = _cairo_gl_context_release (ctx, status);
if (unlikely (status)) {
cairo_surface_destroy (&surface->base);
return status;
status = _cairo_gl_context_release (ctx, status);
if (unlikely (status)) {
cairo_surface_destroy (&surface->base);
return status;
}
_cairo_surface_subsurface_set_snapshot (&sub->base, &surface->base);
}
attributes = &operand->texture.attributes;