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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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17a33cd19a
Settle with 7x7 gaussian convolution kernels, maybe slightly less accurate than previous 9x9 but fast enough to be able to use it on i915. About a 20% percent speed gain (again, roughly measured with videotestsrc and glimagesink sync=false). No noticeable rendering difference with current effects.
52 lines
2.1 KiB
C
52 lines
2.1 KiB
C
/*
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* GStreamer
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* Copyright (C) 2008 Filippo Argiolas <filippo.argiolas@gmail.com>
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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 Library 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_GL_EFFECTS_SOURCES_H__
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#define __GST_GL_EFFECTS_SOURCES_H__
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extern const gchar *vertex_shader_source;
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extern const gchar *identity_fragment_source;
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extern const gchar *mirror_fragment_source;
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extern const gchar *squeeze_fragment_source;
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extern const gchar *stretch_fragment_source;
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extern const gchar *tunnel_fragment_source;
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extern const gchar *fisheye_fragment_source;
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extern const gchar *twirl_fragment_source;
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extern const gchar *bulge_fragment_source;
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extern const gchar *square_fragment_source;
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extern const gchar *luma_threshold_fragment_source;
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extern const gchar *sep_sobel_length_fragment_source;
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extern const gchar *desaturate_fragment_source;
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extern const gchar *sep_sobel_hconv3_fragment_source;
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extern const gchar *sep_sobel_vconv3_fragment_source;
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extern const gchar *hconv7_fragment_source;
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extern const gchar *vconv7_fragment_source;
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extern const gchar *sum_fragment_source;
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extern const gchar *luma_to_curve_fragment_source;
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extern const gchar *rgb_to_curve_fragment_source;
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extern const gchar *sin_fragment_source;
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extern const gchar *interpolate_fragment_source;
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extern const gchar *texture_interp_fragment_source;
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extern const gchar *difference_fragment_source;
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extern const gchar *multiply_fragment_source;
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void fill_gaussian_kernel (float *kernel, int size, float sigma);
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#endif /* __GST_GL_EFFECTS_SOURCES_H__ */
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