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-rw-r--r--gst-libs/gst/gl/Makefile.am2
-rw-r--r--gst-libs/gst/gl/gl.h1
-rw-r--r--gst-libs/gst/gl/gstglshaderstrings.c71
-rw-r--r--gst-libs/gst/gl/gstglshaderstrings.h36
-rw-r--r--gst-libs/gst/gl/gstglslstage.c27
5 files changed, 112 insertions, 25 deletions
diff --git a/gst-libs/gst/gl/Makefile.am b/gst-libs/gst/gl/Makefile.am
index 980565c7b..10a7d8e75 100644
--- a/gst-libs/gst/gl/Makefile.am
+++ b/gst-libs/gst/gl/Makefile.am
@@ -18,6 +18,7 @@ libgstgl_@GST_API_VERSION@_la_SOURCES = \
gstglfilter.c \
gstglbasefilter.c \
gstglshader.c \
+ gstglshaderstrings.c \
gstglsl.c \
gstglslstage.c \
gstglcolorconvert.c \
@@ -47,6 +48,7 @@ libgstgl_@GST_API_VERSION@include_HEADERS = \
gstglfilter.h \
gstglbasefilter.h \
gstglshader.h \
+ gstglshaderstrings.h \
gstglsl.h \
gstglslstage.h \
gstglcolorconvert.h \
diff --git a/gst-libs/gst/gl/gl.h b/gst-libs/gst/gl/gl.h
index b2710f45d..ce9fc4236 100644
--- a/gst-libs/gst/gl/gl.h
+++ b/gst-libs/gst/gl/gl.h
@@ -37,6 +37,7 @@
#include <gst/gl/gstglwindow.h>
#include <gst/gl/gstglslstage.h>
#include <gst/gl/gstglshader.h>
+#include <gst/gl/gstglshaderstrings.h>
#include <gst/gl/gstglcolorconvert.h>
#include <gst/gl/gstglupload.h>
#include <gst/gl/gstgluploadmeta.h>
diff --git a/gst-libs/gst/gl/gstglshaderstrings.c b/gst-libs/gst/gl/gstglshaderstrings.c
new file mode 100644
index 000000000..3a732c731
--- /dev/null
+++ b/gst-libs/gst/gl/gstglshaderstrings.c
@@ -0,0 +1,71 @@
+/*
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gstglshaderstrings.h"
+
+/* *INDENT-OFF* */
+const gchar *gst_gl_shader_string_vertex_default =
+ "attribute vec4 a_position;\n"
+ "attribute vec2 a_texcoord;\n"
+ "varying vec2 v_texcoord;\n"
+ "void main()\n"
+ "{\n"
+ " gl_Position = a_position;\n"
+ " v_texcoord = a_texcoord;\n"
+ "}\n";
+
+const gchar *gst_gl_shader_string_vertex_mat4_texture_transform =
+ "uniform mat4 u_transformation;\n"
+ "attribute vec4 a_position;\n"
+ "attribute vec2 a_texcoord;\n"
+ "varying vec2 v_texcoord;\n"
+ "void main()\n"
+ "{\n"
+ " gl_Position = a_position;\n"
+ " v_texcoord = (u_transformation * vec4(a_texcoord, 0, 1)).xy;\n"
+ "}\n";
+
+const gchar *gst_gl_shader_string_fragment_default =
+ "#ifdef GL_ES\n"
+ "precision mediump float;\n"
+ "#endif\n"
+ "varying vec2 v_texcoord;\n"
+ "uniform sampler2D tex;\n"
+ "void main()\n"
+ "{\n"
+ " gl_FragColor = texture2D(tex, v_texcoord);\n"
+ "}";
+
+const gchar *gst_gl_shader_string_fragment_external_oes_default =
+ "#extension GL_OES_EGL_image_external : require\n"
+ "#ifdef GL_ES\n"
+ "precision mediump float;\n"
+ "#endif\n"
+ "varying vec2 v_texcoord;\n"
+ "uniform sampler2DExternalOES tex;\n"
+ "void main()\n"
+ "{\n"
+ " gl_FragColor = texture2D(tex, v_texcoord);\n"
+ "}";
+/* *INDENT-ON* */
diff --git a/gst-libs/gst/gl/gstglshaderstrings.h b/gst-libs/gst/gl/gstglshaderstrings.h
new file mode 100644
index 000000000..49ea8de42
--- /dev/null
+++ b/gst-libs/gst/gl/gstglshaderstrings.h
@@ -0,0 +1,36 @@
+/*
+ * 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/gl/gl.h>
+
+G_BEGIN_DECLS
+
+extern const gchar *gst_gl_shader_string_vertex_default;
+extern const gchar *gst_gl_shader_string_fragment_default;
+
+extern const gchar *gst_gl_shader_string_vertex_mat4_texture_transform;
+extern const gchar *gst_gl_shader_string_fragment_external_oes_default;
+
+G_END_DECLS
+
+#endif /* __GST_GL_SHADER_STRINGS_H__ */
diff --git a/gst-libs/gst/gl/gstglslstage.c b/gst-libs/gst/gl/gstglslstage.c
index 062b29ae5..89f97cff4 100644
--- a/gst-libs/gst/gl/gstglslstage.c
+++ b/gst-libs/gst/gl/gstglslstage.c
@@ -29,29 +29,6 @@
static const gchar *es2_version_header = "#version 100\n";
-/* *INDENT-OFF* */
-static const gchar *simple_vertex_shader_str_gles2 =
- "attribute vec4 a_position;\n"
- "attribute vec2 a_texcoord;\n"
- "varying vec2 v_texcoord;\n"
- "void main()\n"
- "{\n"
- " gl_Position = a_position;\n"
- " v_texcoord = a_texcoord;\n"
- "}\n";
-
-static const gchar *simple_fragment_shader_str_gles2 =
- "#ifdef GL_ES\n"
- "precision mediump float;\n"
- "#endif\n"
- "varying vec2 v_texcoord;\n"
- "uniform sampler2D tex;\n"
- "void main()\n"
- "{\n"
- " gl_FragColor = texture2D(tex, v_texcoord);\n"
- "}";
-/* *INDENT-ON* */
-
GST_DEBUG_CATEGORY_STATIC (gst_glsl_stage_debug);
#define GST_CAT_DEFAULT gst_glsl_stage_debug
@@ -279,7 +256,7 @@ gst_glsl_stage_new_default_vertex (GstGLContext * context)
return gst_glsl_stage_new_with_string (context, GL_VERTEX_SHADER,
GST_GLSL_VERSION_NONE,
GST_GLSL_PROFILE_ES | GST_GLSL_PROFILE_COMPATIBILITY,
- simple_vertex_shader_str_gles2);
+ gst_gl_shader_string_vertex_default);
}
/**
@@ -294,7 +271,7 @@ gst_glsl_stage_new_default_fragment (GstGLContext * context)
return gst_glsl_stage_new_with_string (context, GL_FRAGMENT_SHADER,
GST_GLSL_VERSION_NONE,
GST_GLSL_PROFILE_ES | GST_GLSL_PROFILE_COMPATIBILITY,
- simple_fragment_shader_str_gles2);
+ gst_gl_shader_string_fragment_default);
}
/**
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-17 06:13:17 +0000