From d03d86eb8489e7ab4c5460cea5ee265b0c1ee487 Mon Sep 17 00:00:00 2001
From: Eleni Maria Stea <elene.mst@gmail.com>
Date: Tue, 25 Jul 2017 17:34:45 +0300
Subject: [PATCH] quick backup +added the default shader files

---
 gl_shaders/default.f.glsl |   29 +++++++++++++++++++++++++++++
 gl_shaders/default.v.glsl |   30 ++++++++++++++++++++++++++++++
 2 files changed, 59 insertions(+)
 create mode 100644 gl_shaders/default.f.glsl
 create mode 100644 gl_shaders/default.v.glsl

diff --git a/gl_shaders/default.f.glsl b/gl_shaders/default.f.glsl
new file mode 100644
index 0000000..388ba76
--- /dev/null
+++ b/gl_shaders/default.f.glsl
@@ -0,0 +1,29 @@
+#version 450
+
+uniform sampler2D tex;
+
+uniform vec4 diffuse;
+uniform vec4 specular;
+uniform float shininess;
+
+varying vec3 pos;
+varying vec3 normal;
+varying vec3 ldir;
+varying vec3 tex_coord;
+
+layout(location = 0) out vec4 color;
+
+void main()
+{
+	vec3 p = normalize(pos);
+	vec3 n = normalize(normal);
+	vec3 l = normalize(ldir);
+
+	vec3 r = normalize(-reflect(l, n));
+	vec3 vdir = normalize(-p);
+
+	float cdiff = max(dot(l, n), 0.0);
+	float cspec = pow(max(dot(r, vdir), 0.0), shininess);
+
+	color = diffuse * cdiff * texture2D(tex, tex_coord.xy) + specular * cspec;
+}
diff --git a/gl_shaders/default.v.glsl b/gl_shaders/default.v.glsl
new file mode 100644
index 0000000..59db728
--- /dev/null
+++ b/gl_shaders/default.v.glsl
@@ -0,0 +1,30 @@
+#version 450
+//#extension GL_ARB_separate_shader_objects : enable
+
+uniform mat4 mview;
+uniform mat4 mproj;
+
+varying vec3 pos;
+varying vec3 normal;
+varying vec3 ldir;
+varying vec3 tex_coord;
+
+const vec3 lpos = vec3(0.0, 100.0, 0.0);
+
+/* attributes */
+layout(location = 1) in vec3 attr_pos;
+layout(location = 2) in vec3 attr_normal;
+layout(location = 3) in vec3 attr_tex;
+
+void main()
+{
+	mat4 modelview_projection_matrix = mproj * mview;
+	gl_Position = modelview_projection_matrix * vec4(attr_pos, 1.0);
+
+	pos = (mview * vec4(attr_pos, 1.0)).xyz;
+	ldir = (mview * vec4(lpos, 1.0)).xyz;
+
+	mat3 normal_matrix = mat3(mview);
+	normal = normal_matrix * attr_normal;
+	tex_coord = attr_tex;
+}
-- 
1.7.10.4