gstreamer/gst-libs/gst/gl/gstglshaderstrings.h
Matthew Waters 675415bf2e gl: try to use highp precision where supported
The use of mediump as a specifier in GLSL shaders will have limited
resolution and when used as texture coordinates may become inaccurate
over texture sizes of 1024.
2019-02-28 17:26:32 +11:00

63 lines
2.5 KiB
C

/*
* GStreamer
* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_GL_SHADER_STRINGS_H__
#define __GST_GL_SHADER_STRINGS_H__
#include <gst/gst.h>
#include <gst/gl/gl-prelude.h>
#include <gst/gl/gl.h>
G_BEGIN_DECLS
GST_GL_API
const gchar *gst_gl_shader_string_fragment_highp_precision;
GST_GL_API
const gchar *gst_gl_shader_string_fragment_mediump_precision;
GST_GL_API
const gchar *gst_gl_shader_string_vertex_default;
GST_GL_API G_DEPRECATED_FOR(gst_gl_shader_string_fragment_get_default)
const gchar *gst_gl_shader_string_fragment_default;
GST_GL_API
const gchar *gst_gl_shader_string_vertex_mat4_texture_transform;
GST_GL_API
const gchar *gst_gl_shader_string_vertex_mat4_vertex_transform;
GST_GL_API G_DEPRECATED_FOR(gst_gl_shader_string_fragment_external_oes_get_default)
const gchar *gst_gl_shader_string_fragment_external_oes_default;
GST_GL_API
const gchar * gst_gl_shader_string_get_highest_precision (GstGLContext * context,
GstGLSLVersion version,
GstGLSLProfile profile);
GST_GL_API
gchar * gst_gl_shader_string_fragment_get_default (GstGLContext * context,
GstGLSLVersion version,
GstGLSLProfile profile);
GST_GL_API
gchar * gst_gl_shader_string_fragment_external_oes_get_default (GstGLContext * context,
GstGLSLVersion version,
GstGLSLProfile profile);
G_END_DECLS
#endif /* __GST_GL_SHADER_STRINGS_H__ */