Add shaders from sauerbraten.

The app mostly uses ARB programs, so there's not much here.

5 files changed, 85 insertions, 0 deletions

diff --git a/COPYING b/COPYING
index bb72bb2..99b668e 100644
--- a/COPYING
+++ b/COPYING
@@ -131,3 +131,23 @@ From the website:
       and on the DVDs, and all of the contents on this website has
       been licensed under the Creative Commons Attribution license
       3.0."  "
+
+shaders/sauerbraten/*:
+Copyright © 2001-2010 Wouter van Oortmerssen.
+
+This software is provided 'as-is', without any express or implied
+warranty.  In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not
+   claim that you wrote the original software. If you use this software
+   in a product, an acknowledgment in the product documentation would be
+   appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be
+   misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+
diff --git a/shaders/sauerbraten/11.shader_test b/shaders/sauerbraten/11.shader_test
new file mode 100644
index 0000000..4359954
--- /dev/null
+++ b/shaders/sauerbraten/11.shader_test
@@ -0,0 +1,16 @@
+[require]
+GLSL >= 1.10
+
+[fragment shader]
+void main() {}
+
+init: world
+init: sound
+init: cfg
+init: mainloop
+read map packages/base/mpsp9a.ogz (0.4 seconds)
+Private Stan Sauer: Run & Gun Part I by MitaMAN
+game mode is SP
+[vertex shader]
+void main() { gl_Position = ftransform(); } 
+
diff --git a/shaders/sauerbraten/2.shader_test b/shaders/sauerbraten/2.shader_test
new file mode 100644
index 0000000..4b0a354
--- /dev/null
+++ b/shaders/sauerbraten/2.shader_test
@@ -0,0 +1,10 @@
+[require]
+GLSL >= 1.10
+
+[fragment shader]
+void main(void) {
+   gl_FragColor = vec4(0.0);
+}
+
+Rendering using the OpenGL assembly/GLSL shader path.
+
diff --git a/shaders/sauerbraten/5.shader_test b/shaders/sauerbraten/5.shader_test
new file mode 100644
index 0000000..ce27109
--- /dev/null
+++ b/shaders/sauerbraten/5.shader_test
@@ -0,0 +1,16 @@
+[require]
+GLSL >= 1.10
+
+[fragment shader]
+void main(void)
+    {
+        gl_FragColor = gl_Color;
+    }
+
+[vertex shader]
+void main(void)
+    {
+        gl_Position = ftransform();
+        gl_FrontColor = gl_Color;
+    }
+
diff --git a/shaders/sauerbraten/8.shader_test b/shaders/sauerbraten/8.shader_test
new file mode 100644
index 0000000..85fda5d
--- /dev/null
+++ b/shaders/sauerbraten/8.shader_test
@@ -0,0 +1,23 @@
+[require]
+GLSL >= 1.10
+
+[fragment shader]
+void main(void)
+    {
+        gl_FragColor = gl_Color;
+    
+#define FOG_COLOR gl_Fog.color
+gl_FragColor.rgb = mix((FOG_COLOR).rgb, gl_FragColor.rgb, clamp((gl_Fog.end - gl_FogFragCoord) * gl_Fog.scale, 0.0, 1.0));
+}
+
+[vertex shader]
+#pragma CUBE2_fog
+    void main(void)
+    {
+        gl_Position = ftransform();
+        gl_FrontColor = gl_Color;
+    
+#define FOG_COORD gl_Vertex
+gl_FogFragCoord = -dot((FOG_COORD), gl_ModelViewMatrixTranspose[2]);
+}
+