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09c2e4abe7
Instead of specifying the hook point when adding to the pipeline using a separate function for each hook, the hook is now a property of the snippet. The hook is set on construction and is then read-only. Reviewed-by: Robert Bragg <robert@linux.intel.com>
72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
/*
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* Cogl
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*
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* An object oriented GL/GLES Abstraction/Utility Layer
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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
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* <http://www.gnu.org/licenses/>.
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*
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*
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*
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* Authors:
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* Neil Roberts <neil@linux.intel.com>
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*/
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#ifndef __COGL_SNIPPET_PRIVATE_H
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#define __COGL_SNIPPET_PRIVATE_H
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#include <glib.h>
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#include "cogl-snippet.h"
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#include "cogl-object-private.h"
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/* These values are also used in the enum for CoglSnippetHook. They
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are copied here because we don't really want these names to be part
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of the public API */
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#define COGL_SNIPPET_HOOK_BAND_SIZE 2048
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#define COGL_SNIPPET_FIRST_PIPELINE_HOOK 0
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#define COGL_SNIPPET_FIRST_PIPELINE_VERTEX_HOOK \
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COGL_SNIPPET_FIRST_PIPELINE_HOOK
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#define COGL_SNIPPET_FIRST_PIPELINE_FRAGMENT_HOOK \
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(COGL_SNIPPET_FIRST_PIPELINE_VERTEX_HOOK + COGL_SNIPPET_HOOK_BAND_SIZE)
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#define COGL_SNIPPET_FIRST_LAYER_HOOK (COGL_SNIPPET_HOOK_BAND_SIZE * 2)
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#define COGL_SNIPPET_FIRST_LAYER_VERTEX_HOOK COGL_SNIPPET_FIRST_LAYER_HOOK
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#define COGL_SNIPPET_FIRST_LAYER_FRAGMENT_HOOK \
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(COGL_SNIPPET_FIRST_LAYER_VERTEX_HOOK + COGL_SNIPPET_HOOK_BAND_SIZE)
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struct _CoglSnippet
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{
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CoglObject _parent;
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CoglSnippetHook hook;
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/* This is set to TRUE the first time the snippet is attached to the
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pipeline. After that any attempts to modify the snippet will be
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ignored. */
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gboolean immutable;
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char *declarations;
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char *pre;
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char *replace;
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char *post;
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};
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void
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_cogl_snippet_make_immutable (CoglSnippet *snippet);
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#endif /* __COGL_SNIPPET_PRIVATE_H */
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