0b4b341e6c
The shader already operates on floating point sigma, and there's just no reason for us to force it to be an unsigned integer. It's still important that sigma must be positive though. Make sigma a float, and make sure it's a positive number. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1646>
290 lines
11 KiB
C
290 lines
11 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Copyright (C) 2011 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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* Author:
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* Emmanuele Bassi <ebassi@linux.intel.com>
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*/
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#ifndef __CLUTTER_PAINT_NODES_H__
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#define __CLUTTER_PAINT_NODES_H__
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#if !defined(__CLUTTER_H_INSIDE__) && !defined(CLUTTER_COMPILATION)
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#error "Only <clutter/clutter.h> can be included directly."
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#endif
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#include <cogl/cogl.h>
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#include <clutter/clutter-types.h>
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_COLOR_NODE (clutter_color_node_get_type ())
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#define CLUTTER_COLOR_NODE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_COLOR_NODE, ClutterColorNode))
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#define CLUTTER_IS_COLOR_NODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_COLOR_NODE))
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/**
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* ClutterColorNode:
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*
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* The #ClutterTextNode structure is an opaque
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* type whose members cannot be directly accessed.
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*
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* Since: 1.10
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*/
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typedef struct _ClutterColorNode ClutterColorNode;
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typedef struct _ClutterColorNodeClass ClutterColorNodeClass;
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CLUTTER_EXPORT
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GType clutter_color_node_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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ClutterPaintNode * clutter_color_node_new (const ClutterColor *color);
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#define CLUTTER_TYPE_TEXTURE_NODE (clutter_texture_node_get_type ())
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#define CLUTTER_TEXTURE_NODE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_TEXTURE_NODE, ClutterTextureNode))
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#define CLUTTER_IS_TEXTURE_NODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_TEXTURE_NODE))
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/**
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* ClutterTextureNode:
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*
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* The #ClutterTextNode structure is an opaque
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* type whose members cannot be directly accessed.
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*
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* Since: 1.10
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*/
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typedef struct _ClutterTextureNode ClutterTextureNode;
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typedef struct _ClutterTextureNodeClass ClutterTextureNodeClass;
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CLUTTER_EXPORT
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GType clutter_texture_node_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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ClutterPaintNode * clutter_texture_node_new (CoglTexture *texture,
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const ClutterColor *color,
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ClutterScalingFilter min_filter,
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ClutterScalingFilter mag_filter);
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#define CLUTTER_TYPE_CLIP_NODE (clutter_clip_node_get_type ())
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#define CLUTTER_CLIP_NODE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_CLIP_NODE, ClutterClipNode))
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#define CLUTTER_IS_CLIP_NODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_CLIP_NODE))
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/**
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* ClutterClipNode:
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*
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* The #ClutterTextNode structure is an opaque
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* type whose members cannot be directly accessed.
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*
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* Since: 1.10
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*/
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typedef struct _ClutterClipNode ClutterClipNode;
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typedef struct _ClutterClipNodeClass ClutterClipNodeClass;
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CLUTTER_EXPORT
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GType clutter_clip_node_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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ClutterPaintNode * clutter_clip_node_new (void);
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#define CLUTTER_TYPE_PIPELINE_NODE (clutter_pipeline_node_get_type ())
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#define CLUTTER_PIPELINE_NODE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_PIPELINE_NODE, ClutterPipelineNode))
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#define CLUTTER_IS_PIPELINE_NODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_PIPELINE_NODE))
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/**
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* ClutterPipelineNode:
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*
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* The #ClutterTextNode structure is an opaque
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* type whose members cannot be directly accessed.
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*
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* Since: 1.10
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*/
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typedef struct _ClutterPipelineNode ClutterPipelineNode;
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typedef struct _ClutterPipelineNodeClass ClutterPipelineNodeClass;
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CLUTTER_EXPORT
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GType clutter_pipeline_node_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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ClutterPaintNode * clutter_pipeline_node_new (CoglPipeline *pipeline);
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#define CLUTTER_TYPE_TEXT_NODE (clutter_text_node_get_type ())
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#define CLUTTER_TEXT_NODE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_TEXT_NODE, ClutterTextNode))
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#define CLUTTER_IS_TEXT_NODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_TEXT_NODE))
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/**
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* ClutterTextNode:
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*
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* The #ClutterTextNode structure is an opaque
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* type whose members cannot be directly accessed.
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*
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* Since: 1.10
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*/
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typedef struct _ClutterTextNode ClutterTextNode;
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typedef struct _ClutterTextNodeClass ClutterTextNodeClass;
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CLUTTER_EXPORT
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GType clutter_text_node_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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ClutterPaintNode * clutter_text_node_new (PangoLayout *layout,
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const ClutterColor *color);
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#define CLUTTER_TYPE_ACTOR_NODE (clutter_actor_node_get_type ())
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#define CLUTTER_ACTOR_NODE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_ACTOR_NODE, ClutterActorNode))
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#define CLUTTER_IS_ACTOR_NODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_ACTOR_NODE))
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/**
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* ClutterActorNode:
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*
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* The #ClutterActorNode structure is an opaque
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* type whose members cannot be directly accessed.
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*/
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typedef struct _ClutterActorNode ClutterActorNode;
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typedef struct _ClutterActorNode ClutterActorNodeClass;
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CLUTTER_EXPORT
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GType clutter_actor_node_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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ClutterPaintNode * clutter_actor_node_new (ClutterActor *actor,
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int opacity);
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#define CLUTTER_TYPE_ROOT_NODE (clutter_root_node_get_type ())
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#define CLUTTER_ROOT_NODE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_ROOT_NODE, ClutterRootNode))
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#define CLUTTER_IS_ROOT_NODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_ROOT_NODE))
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/**
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* ClutterRootNode:
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*
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* The #ClutterRootNode structure is an opaque
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* type whose members cannot be directly accessed.
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*/
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typedef struct _ClutterRootNode ClutterRootNode;
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typedef struct _ClutterPaintNodeClass ClutterRootNodeClass;
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CLUTTER_EXPORT
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GType clutter_root_node_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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ClutterPaintNode * clutter_root_node_new (CoglFramebuffer *framebuffer,
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const ClutterColor *clear_color,
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CoglBufferBit clear_flags);
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#define CLUTTER_TYPE_LAYER_NODE (clutter_layer_node_get_type ())
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#define CLUTTER_LAYER_NODE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_LAYER_NODE, ClutterLayerNode))
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#define CLUTTER_IS_LAYER_NODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_LAYER_NODE))
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/*
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* ClutterLayerNode:
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*
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* The #ClutterLayerNode structure is an opaque
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* type whose members cannot be directly accessed.
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*
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* Since: 1.10
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*/
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typedef struct _ClutterLayerNode ClutterLayerNode;
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typedef struct _ClutterLayerNodeClass ClutterLayerNodeClass;
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CLUTTER_EXPORT
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GType clutter_layer_node_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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ClutterPaintNode * clutter_layer_node_new (const graphene_matrix_t *projection,
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const cairo_rectangle_t *viewport,
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float width,
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float height,
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guint8 opacity);
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CLUTTER_EXPORT
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ClutterPaintNode * clutter_layer_node_new_to_framebuffer (CoglFramebuffer *framebuffer,
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CoglPipeline *pipeline);
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#define CLUTTER_TYPE_TRANSFORM_NODE (clutter_transform_node_get_type ())
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#define CLUTTER_TRANSFORM_NODE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_TRANSFORM_NODE, ClutterTransformNode))
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#define CLUTTER_IS_TRANSFORM_NODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_TRANSFORM_NODE))
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/*
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* ClutterTransformNode:
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*
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* The #ClutterLayerNode structure is an opaque
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* type whose members cannot be directly accessed.
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*
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* Since: 1.10
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*/
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typedef struct _ClutterTransformNode ClutterTransformNode;
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typedef struct _ClutterPaintNodeClass ClutterTransformNodeClass;
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CLUTTER_EXPORT
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GType clutter_transform_node_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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ClutterPaintNode * clutter_transform_node_new (const graphene_matrix_t *projection);
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#define CLUTTER_TYPE_BLIT_NODE (clutter_blit_node_get_type ())
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#define CLUTTER_BLIT_NODE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_BLIT_NODE, ClutterBlitNode))
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#define CLUTTER_IS_BLIT_NODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_BLIT_NODE))
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/*
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* ClutterBlitNode:
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*
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* The #ClutterBlitNode structure is an opaque
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* type whose members cannot be directly accessed.
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*/
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typedef struct _ClutterBlitNode ClutterBlitNode;
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typedef struct _ClutterPaintNodeClass ClutterBlitNodeClass;
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CLUTTER_EXPORT
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GType clutter_blit_node_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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ClutterPaintNode * clutter_blit_node_new (CoglFramebuffer *src);
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CLUTTER_EXPORT
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void clutter_blit_node_add_blit_rectangle (ClutterBlitNode *blit_node,
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int src_x,
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int src_y,
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int dst_x,
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int dst_y,
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int width,
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int height);
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#define CLUTTER_TYPE_BLUR_NODE (clutter_blur_node_get_type ())
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#define CLUTTER_BLUR_NODE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_BLUR_NODE, ClutterBlurNode))
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#define CLUTTER_IS_BLUR_NODE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_BLUR_NODE))
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/**
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* ClutterBlurNode:
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*
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* The #ClutterBurNode structure is an opaque
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* type whose members cannot be directly accessed.
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*/
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typedef struct _ClutterBlurNode ClutterBlurNode;
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typedef struct _ClutterLayerNodeClass ClutterBlurNodeClass;
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CLUTTER_EXPORT
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GType clutter_blur_node_get_type (void) G_GNUC_CONST;
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CLUTTER_EXPORT
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ClutterPaintNode * clutter_blur_node_new (unsigned int width,
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unsigned int height,
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float sigma);
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G_END_DECLS
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#endif /* __CLUTTER_PAINT_NODES_H__ */
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