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Instead of creating just two materials (one for texturing and one for solid primitives) the pango renderer now maintains a cache of pipelines. The display list can request a pipeline for a texture from the cache. The same pipeline cache is used by all display lists so that the pipelines can be shared. This avoids changing the texture on the material during a paint run.
70 lines
2.7 KiB
C
70 lines
2.7 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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* Authored By Neil Roberts <neil@linux.intel.com>
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*
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* Copyright (C) 2009 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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#ifndef __COGL_PANGO_DISPLAY_LIST_H__
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#define __COGL_PANGO_DISPLAY_LIST_H__
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#include <glib.h>
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#include <cogl/cogl.h>
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#include "cogl-pango-pipeline-cache.h"
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G_BEGIN_DECLS
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typedef struct _CoglPangoDisplayList CoglPangoDisplayList;
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CoglPangoDisplayList *_cogl_pango_display_list_new (CoglPangoPipelineCache *);
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void _cogl_pango_display_list_set_color_override (CoglPangoDisplayList *dl,
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const CoglColor *color);
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void _cogl_pango_display_list_remove_color_override (CoglPangoDisplayList *dl);
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void _cogl_pango_display_list_add_texture (CoglPangoDisplayList *dl,
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CoglHandle texture,
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float x_1, float y_1,
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float x_2, float y_2,
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float tx_1, float ty_1,
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float tx_2, float ty_2);
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void _cogl_pango_display_list_add_rectangle (CoglPangoDisplayList *dl,
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float x_1, float y_1,
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float x_2, float y_2);
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void _cogl_pango_display_list_add_trapezoid (CoglPangoDisplayList *dl,
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float y_1,
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float x_11,
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float x_21,
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float y_2,
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float x_12,
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float x_22);
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void _cogl_pango_display_list_render (CoglPangoDisplayList *dl,
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const CoglColor *color);
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void _cogl_pango_display_list_clear (CoglPangoDisplayList *dl);
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void _cogl_pango_display_list_free (CoglPangoDisplayList *dl);
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G_END_DECLS
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#endif /* __COGL_PANGO_DISPLAY_LIST_H__ */
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