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104 lines
3.7 KiB
C
104 lines
3.7 KiB
C
/* gskngltexturepoolprivate.h
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*
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* Copyright 2020 Christian Hergert <chergert@redhat.com>
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*
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* This file is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 2.1 of the License, or (at your option)
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* any later version.
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*
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* This file is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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#ifndef _GSK_NGL_TEXTURE_POOL_PRIVATE_H__
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#define _GSK_NGL_TEXTURE_POOL_PRIVATE_H__
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#include "gskngltypesprivate.h"
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G_BEGIN_DECLS
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typedef struct _GskNglTexturePool
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{
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GQueue queue;
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} GskNglTexturePool;
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struct _GskNglTextureSlice
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{
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cairo_rectangle_int_t rect;
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guint texture_id;
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};
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struct _GskNglTextureNineSlice
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{
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cairo_rectangle_int_t rect;
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struct {
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float x;
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float y;
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float x2;
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float y2;
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} area;
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};
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struct _GskNglTexture
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{
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/* Used to insert into queue */
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GList link;
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/* Identifier of the frame that created it */
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gint64 last_used_in_frame;
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/* Backpointer to texture (can be cleared asynchronously) */
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GdkTexture *user;
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/* Only used by nine-slice textures */
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GskNglTextureNineSlice *nine_slice;
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/* Only used by sliced textures */
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GskNglTextureSlice *slices;
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guint n_slices;
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/* The actual GL texture identifier in some shared context */
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guint texture_id;
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int width;
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int height;
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int min_filter;
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int mag_filter;
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/* Set when used by an atlas so we don't drop the texture */
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guint permanent : 1;
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};
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void gsk_ngl_texture_pool_init (GskNglTexturePool *self);
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void gsk_ngl_texture_pool_clear (GskNglTexturePool *self);
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GskNglTexture *gsk_ngl_texture_pool_get (GskNglTexturePool *self,
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int width,
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int height,
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int min_filter,
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int mag_filter);
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void gsk_ngl_texture_pool_put (GskNglTexturePool *self,
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GskNglTexture *texture);
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GskNglTexture *gsk_ngl_texture_new (guint texture_id,
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int width,
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int height,
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int min_filter,
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int mag_filter,
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gint64 frame_id);
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const GskNglTextureNineSlice *gsk_ngl_texture_get_nine_slice (GskNglTexture *texture,
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const GskRoundedRect *outline,
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float extra_pixels_x,
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float extra_pixels_y);
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void gsk_ngl_texture_free (GskNglTexture *texture);
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G_END_DECLS
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#endif /* _GSK_NGL_TEXTURE_POOL_PRIVATE_H__ */
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