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8afec70c28
Co-authored-by: Jayathirth D V <jdv@openjdk.org> Co-authored-by: Alexey Ushakov <avu@openjdk.org> Co-authored-by: Artem Bochkarev <abochkarev@openjdk.org> Co-authored-by: Prasanta Sadhukhan <psadhukhan@openjdk.org> Co-authored-by: Denis Konoplev <dkonoplev@openjdk.org> Co-authored-by: Phil Race <prr@openjdk.org> Co-authored-by: Kevin Rushforth <kcr@openjdk.org> Co-authored-by: Magnus Ihse Bursie <ihse@openjdk.org> Co-authored-by: Ajit Ghaisas <aghaisas@openjdk.org> Reviewed-by: ihse, avu, kcr, gziemski, prr, kizune, jdv, psadhukhan, serb
100 lines
3.2 KiB
Objective-C
100 lines
3.2 KiB
Objective-C
/*
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* Copyright (c) 2020, 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code 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 General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#ifndef MTLGlyphCache_h_Included
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#define MTLGlyphCache_h_Included
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "jni.h"
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#include "fontscalerdefs.h"
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#import <Metal/Metal.h>
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typedef void (MTLFlushFunc)();
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typedef struct _MTLCacheCellInfo MTLCacheCellInfo;
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typedef struct {
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CacheCellInfo *head;
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CacheCellInfo *tail;
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id<MTLTexture> texture;
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jint width;
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jint height;
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jint cellWidth;
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jint cellHeight;
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MTLFlushFunc *Flush;
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} MTLGlyphCacheInfo;
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struct _MTLCacheCellInfo {
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MTLGlyphCacheInfo *cacheInfo;
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struct GlyphInfo *glyphInfo;
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// next cell info in the cache's list
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MTLCacheCellInfo *next;
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// REMIND: find better name?
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// next cell info in the glyph's cell list (next Glyph Cache Info)
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MTLCacheCellInfo *nextGCI;
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jint timesRendered;
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jint x;
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jint y;
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// number of pixels from the left or right edge not considered touched
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// by the glyph
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jint leftOff;
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jint rightOff;
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jfloat tx1;
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jfloat ty1;
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jfloat tx2;
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jfloat ty2;
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};
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MTLGlyphCacheInfo *
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MTLGlyphCache_Init(jint width, jint height,
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jint cellWidth, jint cellHeight,
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MTLFlushFunc *func);
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MTLCacheCellInfo *
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MTLGlyphCache_AddGlyph(MTLGlyphCacheInfo *cache, struct GlyphInfo *glyph);
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bool
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MTLGlyphCache_IsCacheFull(MTLGlyphCacheInfo *cache, GlyphInfo *glyph);
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void
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MTLGlyphCache_Invalidate(MTLGlyphCacheInfo *cache);
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void
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MTLGlyphCache_AddCellInfo(struct GlyphInfo *glyph, MTLCacheCellInfo *cellInfo);
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void
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MTLGlyphCache_RemoveCellInfo(struct GlyphInfo *glyph, MTLCacheCellInfo *cellInfo);
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MTLCacheCellInfo *
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MTLGlyphCache_GetCellInfoForCache(struct GlyphInfo *glyph,
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MTLGlyphCacheInfo *cache);
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JNIEXPORT void
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MTLGlyphCache_RemoveAllCellInfos(struct GlyphInfo *glyph);
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void
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MTLGlyphCache_Free(MTLGlyphCacheInfo *cache);
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#ifdef __cplusplus
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};
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#endif
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#endif /* MTLGlyphCache_h_Included */
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