7 files changed, 10 insertions, 21 deletions
diff --git a/gfx/gl/shaders/basicShader.fs b/gfx/gl/shaders/basicShader.fs
index 0d0b904..8bb6350 100644
--- a/gfx/gl/shaders/basicShader.fs
+++ b/gfx/gl/shaders/basicShader.fs
@@ -1,9 +1,6 @@
 #version 330 core
 
-in vec3 FragPos;
-in vec2 TexCoords;
-in vec3 Normal;
-in vec4 Colour;
+include(`materialInterface.glsl')
 include(`geometryOut.glsl')
 
 uniform sampler2D texture0;
diff --git a/gfx/gl/shaders/basicShader.vs b/gfx/gl/shaders/basicShader.vs
index a96d478..4d648f3 100644
--- a/gfx/gl/shaders/basicShader.vs
+++ b/gfx/gl/shaders/basicShader.vs
@@ -1,10 +1,7 @@
 #version 330 core
 
 include(`meshIn.glsl')
-out vec3 FragPos;
-out vec2 TexCoords;
-out vec3 Normal;
-out vec4 Colour;
+include(`materialInterface.glsl')
 
 uniform mat4 viewProjection;
 uniform mat4 model;
diff --git a/gfx/gl/shaders/landmassShader.fs b/gfx/gl/shaders/landmassShader.fs
index 5daeeb6..f3cc3e8 100644
--- a/gfx/gl/shaders/landmassShader.fs
+++ b/gfx/gl/shaders/landmassShader.fs
@@ -1,8 +1,6 @@
 #version 330 core
 
-in vec3 FragPos;
-in vec2 TexCoords;
-in vec3 Normal;
+include(`materialInterface.glsl')
 include(`geometryOut.glsl')
 
 uniform sampler2D texture0;
diff --git a/gfx/gl/shaders/landmassShader.vs b/gfx/gl/shaders/landmassShader.vs
index 3eb9aa3..cabe39f 100644
--- a/gfx/gl/shaders/landmassShader.vs
+++ b/gfx/gl/shaders/landmassShader.vs
@@ -1,10 +1,7 @@
 #version 330 core
 
 include(`meshIn.glsl')
-out vec3 FragPos;
-out vec2 TexCoords;
-out vec3 Normal;
-out vec4 Colour;
+include(`materialInterface.glsl')
 
 uniform mat4 viewProjection;
 
diff --git a/gfx/gl/shaders/materialInterface.glsl b/gfx/gl/shaders/materialInterface.glsl
new file mode 100644
index 0000000..3e09c85
--- /dev/null
+++ b/gfx/gl/shaders/materialInterface.glsl
@@ -0,0 +1,4 @@
+ifelse(TYPE, .fs, in, out) vec3 FragPos;
+ifelse(TYPE, .fs, in, out) vec2 TexCoords;
+ifelse(TYPE, .fs, in, out) vec3 Normal;
+ifelse(TYPE, .fs, in, out) vec4 Colour;
diff --git a/gfx/gl/shaders/waterShader.fs b/gfx/gl/shaders/waterShader.fs
index d457f27..5936da4 100644
--- a/gfx/gl/shaders/waterShader.fs
+++ b/gfx/gl/shaders/waterShader.fs
@@ -1,9 +1,7 @@
 #version 330 core
 #extension GL_ARB_shading_language_420pack : enable
 
-in vec3 FragPos;
-in vec2 TexCoords;
-in vec3 Normal;
+include(`materialInterface.glsl')
 include(`geometryOut.glsl')
 
 uniform sampler2D texture0;
diff --git a/gfx/gl/shaders/waterShader.vs b/gfx/gl/shaders/waterShader.vs
index 6f96c19..a21b49f 100644
--- a/gfx/gl/shaders/waterShader.vs
+++ b/gfx/gl/shaders/waterShader.vs
@@ -1,9 +1,7 @@
 #version 330 core
 
 include(`meshIn.glsl')
-out vec3 FragPos;
-out vec2 TexCoords;
-out vec3 Normal;
+include(`materialInterface.glsl')
 
 uniform mat4 viewProjection;
 uniform vec3 waves;