68 lines
3.2 KiB
C
68 lines
3.2 KiB
C
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/*
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* Copyright © 2021 Benjamin Otte
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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 2.1 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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* Authors: Benjamin Otte <otte@gnome.org>
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*/
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#pragma once
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#include "gdkenums.h"
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#include "gdktypes.h"
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#include <epoxy/gl.h>
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G_BEGIN_DECLS
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typedef enum {
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GDK_MEMORY_ALPHA_PREMULTIPLIED,
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GDK_MEMORY_ALPHA_STRAIGHT,
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GDK_MEMORY_ALPHA_OPAQUE
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} GdkMemoryAlpha;
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typedef enum {
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GDK_MEMORY_U8,
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GDK_MEMORY_U16,
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GDK_MEMORY_FLOAT16,
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GDK_MEMORY_FLOAT32
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} GdkMemoryDepth;
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gsize gdk_memory_format_alignment (GdkMemoryFormat format) G_GNUC_CONST;
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GdkMemoryAlpha gdk_memory_format_alpha (GdkMemoryFormat format) G_GNUC_CONST;
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gsize gdk_memory_format_bytes_per_pixel (GdkMemoryFormat format) G_GNUC_CONST;
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GdkMemoryDepth gdk_memory_format_get_depth (GdkMemoryFormat format) G_GNUC_CONST;
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GdkMemoryDepth gdk_memory_depth_merge (GdkMemoryDepth depth1,
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GdkMemoryDepth depth2) G_GNUC_CONST;
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GdkMemoryFormat gdk_memory_depth_get_alpha_format (GdkMemoryDepth depth) G_GNUC_CONST;
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gboolean gdk_memory_format_gl_format (GdkMemoryFormat format,
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GdkGLContext *context,
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guint *out_internal_format,
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guint *out_format,
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guint *out_type,
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GLint out_gizzle[4]);
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void gdk_memory_convert (guchar *dest_data,
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gsize dest_stride,
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GdkMemoryFormat dest_format,
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const guchar *src_data,
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gsize src_stride,
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GdkMemoryFormat src_format,
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gsize width,
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gsize height);
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G_END_DECLS
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