static cairo_t *
_cairo_paginated_context_create (void *target)
{
cairo_paginated_surface_t *surface = target;
if (_cairo_surface_is_subsurface (&surface->base))
surface = (cairo_paginated_surface_t *)
_cairo_surface_subsurface_get_target (&surface->base);
return surface->recording_surface->backend->create_context (target);
}
static cairo_status_t
_cairo_gl_surface_operand_init (cairo_gl_operand_t *operand,
const cairo_pattern_t *_src,
cairo_gl_surface_t *dst,
const cairo_rectangle_int_t *sample,
const cairo_rectangle_int_t *extents,
cairo_bool_t use_texgen)
{
const cairo_surface_pattern_t *src = (cairo_surface_pattern_t *)_src;
cairo_gl_surface_t *surface;
cairo_surface_attributes_t *attributes;
cairo_int_status_t status;
surface = (cairo_gl_surface_t *) src->surface;
if (surface->base.type != CAIRO_SURFACE_TYPE_GL)
return CAIRO_INT_STATUS_UNSUPPORTED;
if (surface->base.backend->type != CAIRO_SURFACE_TYPE_GL) {
if (_cairo_surface_is_subsurface (&surface->base))
return _cairo_gl_subsurface_operand_init (operand, _src, dst,
sample, extents,
use_texgen);
return CAIRO_INT_STATUS_UNSUPPORTED;
}
if (surface->base.device && surface->base.device != dst->base.device)
return CAIRO_INT_STATUS_UNSUPPORTED;
if (surface->base.device && ! _cairo_gl_surface_is_texture (surface))
return CAIRO_INT_STATUS_UNSUPPORTED;
status = _cairo_gl_surface_resolve_multisampling (surface);
if (unlikely (status))
return status;
_cairo_gl_operand_copy(operand, &surface->operand);
attributes = &operand->texture.attributes;
cairo_matrix_multiply (&attributes->matrix,
&src->base.matrix,
&attributes->matrix);
attributes->extend = src->base.extend;
attributes->filter = src->base.filter;
attributes->has_component_alpha = src->base.has_component_alpha;
operand->texture.texgen = use_texgen;
return CAIRO_STATUS_SUCCESS;
}
static cairo_int_status_t
_analyze_recording_surface_pattern (cairo_analysis_surface_t *surface,
const cairo_pattern_t *pattern)
{
const cairo_surface_pattern_t *surface_pattern;
cairo_analysis_surface_t *tmp;
cairo_surface_t *source, *proxy;
cairo_matrix_t p2d;
cairo_status_t status, analysis_status;
assert (pattern->type == CAIRO_PATTERN_TYPE_SURFACE);
surface_pattern = (const cairo_surface_pattern_t *) pattern;
assert (surface_pattern->surface->type == CAIRO_SURFACE_TYPE_RECORDING);
source = surface_pattern->surface;
proxy = _cairo_surface_has_snapshot (source, &proxy_backend);
if (proxy != NULL) {
/* nothing untoward found so far */
return CAIRO_STATUS_SUCCESS;
}
tmp = (cairo_analysis_surface_t *)
_cairo_analysis_surface_create (surface->target);
if (unlikely (tmp->base.status))
return tmp->base.status;
proxy = attach_proxy (source, &tmp->base);
p2d = pattern->matrix;
status = cairo_matrix_invert (&p2d);
assert (status == CAIRO_STATUS_SUCCESS);
cairo_matrix_multiply (&tmp->ctm, &p2d, &surface->ctm);
tmp->has_ctm = ! _cairo_matrix_is_identity (&tmp->ctm);
if (_cairo_surface_is_snapshot (source))
source = _cairo_surface_snapshot_get_target (source);
if (_cairo_surface_is_subsurface (source))
source = _cairo_surface_subsurface_get_target (source);
status = _cairo_recording_surface_replay_and_create_regions (source,
&tmp->base);
analysis_status = tmp->has_unsupported ? CAIRO_INT_STATUS_IMAGE_FALLBACK : CAIRO_INT_STATUS_SUCCESS;
detach_proxy (proxy);
cairo_surface_destroy (&tmp->base);
if (unlikely (status))
return status;
return analysis_status;
}
static void
_gl_pattern_fix_reference_count (const cairo_pattern_t *pattern)
{
cairo_pattern_type_t pattern_type = cairo_pattern_get_type ((cairo_pattern_t *)pattern);
/* We need to increase reference count on surface and gradient if
the original_source_pattern is a cairo_gl_source_t type. */
if (pattern_type == CAIRO_PATTERN_TYPE_SURFACE) {
cairo_surface_pattern_t *surface_pattern = (cairo_surface_pattern_t *)pattern;
cairo_surface_t *pattern_surface = surface_pattern->surface;
if (cairo_surface_get_type (pattern_surface) == CAIRO_SURFACE_TYPE_GL &&
! pattern_surface->device &&
! _cairo_surface_is_subsurface (pattern_surface)) {
cairo_gl_source_t *_source = (cairo_gl_source_t *)pattern_surface;
switch (_source->operand.type) {
case CAIRO_GL_OPERAND_TEXTURE:
cairo_surface_reference (&(_source->operand.texture.owns_surface)->base);
break;
case CAIRO_GL_OPERAND_LINEAR_GRADIENT:
case CAIRO_GL_OPERAND_RADIAL_GRADIENT_A0:
case CAIRO_GL_OPERAND_RADIAL_GRADIENT_NONE:
case CAIRO_GL_OPERAND_RADIAL_GRADIENT_EXT:
_cairo_gl_gradient_reference (_source->operand.gradient.gradient);
break;
default:
case CAIRO_GL_OPERAND_NONE:
case CAIRO_GL_OPERAND_CONSTANT:
case CAIRO_GL_OPERAND_COUNT:
break;
}
}
}
}
