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b7777b9181
This effectively limits a glfilter subclass to be > GL(ES) 2.0. rather than a possible GL 1.4.
116 lines
4.2 KiB
C
116 lines
4.2 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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_GL_EFFECTS_H__
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#define __GST_GL_EFFECTS_H__
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#include <gst/gl/gstglfilter.h>
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#include "effects/gstgleffectssources.h"
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G_BEGIN_DECLS
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#define GST_TYPE_GL_EFFECTS (gst_gl_effects_get_type())
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#define GST_GL_EFFECTS(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_GL_EFFECTS,GstGLEffects))
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#define GST_IS_GL_EFFECTS(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_GL_EFFECTS))
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#define GST_GL_EFFECTS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) , GST_TYPE_GL_EFFECTS,GstGLEffectsClass))
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#define GST_IS_GL_EFFECTS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) , GST_TYPE_GL_EFFECTS))
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#define GST_GL_EFFECTS_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) , GST_TYPE_GL_EFFECTS,GstGLEffectsClass))
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#define USING_OPENGL(context) (gst_gl_context_check_gl_version (context, GST_GL_API_OPENGL, 1, 0))
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#define USING_OPENGL3(context) (gst_gl_context_check_gl_version (context, GST_GL_API_OPENGL3, 3, 1))
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#define USING_GLES(context) (gst_gl_context_check_gl_version (context, GST_GL_API_GLES, 1, 0))
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#define USING_GLES2(context) (gst_gl_context_check_gl_version (context, GST_GL_API_GLES2, 2, 0))
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#define USING_GLES3(context) (gst_gl_context_check_gl_version (context, GST_GL_API_GLES2, 3, 0))
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typedef struct _GstGLEffects GstGLEffects;
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typedef struct _GstGLEffectsClass GstGLEffectsClass;
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typedef struct {
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gint effect;
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guint supported_properties;
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const gchar *filter_name;
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} GstGLEffectsFilterDescriptor;
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typedef void (* GstGLEffectProcessFunc) (GstGLEffects *effects);
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#define NEEDED_TEXTURES 5
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enum {
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GST_GL_EFFECTS_CURVE_HEAT,
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GST_GL_EFFECTS_CURVE_SEPIA,
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GST_GL_EFFECTS_CURVE_XPRO,
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GST_GL_EFFECTS_CURVE_LUMA_XPRO,
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GST_GL_EFFECTS_CURVE_XRAY,
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GST_GL_EFFECTS_N_CURVES
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};
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struct _GstGLEffects
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{
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GstGLFilter filter;
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GstGLEffectProcessFunc effect;
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gint current_effect;
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GLuint intexture;
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GLuint midtexture[NEEDED_TEXTURES];
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GLuint outtexture;
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GLuint curve[GST_GL_EFFECTS_N_CURVES];
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GHashTable *shaderstable;
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gboolean horizontal_swap; /* switch left to right */
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gboolean invert; /* colours */
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};
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struct _GstGLEffectsClass
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{
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GstGLFilterClass filter_class;
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const GstGLEffectsFilterDescriptor *filter_descriptor;
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};
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GType gst_gl_effects_get_type (void);
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gboolean gst_gl_effects_register_filters (GstPlugin *, GstRank);
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GstGLShader* gst_gl_effects_get_fragment_shader (GstGLEffects *effects,
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const gchar * shader_name, const gchar * shader_source_gles2);
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void gst_gl_effects_identity (GstGLEffects *effects);
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void gst_gl_effects_mirror (GstGLEffects *effects);
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void gst_gl_effects_squeeze (GstGLEffects *effects);
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void gst_gl_effects_stretch (GstGLEffects *effects);
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void gst_gl_effects_tunnel (GstGLEffects *effects);
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void gst_gl_effects_fisheye (GstGLEffects *effects);
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void gst_gl_effects_twirl (GstGLEffects *effects);
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void gst_gl_effects_bulge (GstGLEffects *effects);
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void gst_gl_effects_square (GstGLEffects *effects);
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void gst_gl_effects_heat (GstGLEffects *effects);
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void gst_gl_effects_sepia (GstGLEffects *effects);
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void gst_gl_effects_xpro (GstGLEffects *effects);
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void gst_gl_effects_xray (GstGLEffects *effects);
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void gst_gl_effects_luma_xpro (GstGLEffects *effects);
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void gst_gl_effects_sin (GstGLEffects *effects);
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void gst_gl_effects_glow (GstGLEffects *effects);
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void gst_gl_effects_sobel (GstGLEffects *effects);
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void gst_gl_effects_blur (GstGLEffects *effects);
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void gst_gl_effects_laplacian (GstGLEffects *effects);
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G_END_DECLS
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#endif /*__GST_GL_EFFECTS_H__ */
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