From 3f489619c566d08c96627cf165053cf453269a44 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fernando=20Garc=C3=ADa=20Li=C3=B1=C3=A1n?=
 <fernandogarcialinan@gmail.com>
Date: Thu, 3 Dec 2020 23:24:40 +0100
Subject: [PATCH] Fix landmass geometry shader errors

It was using features from GLSL 120 and 150. Only use 120 features for now.
---
 Shaders/landmass.geom | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/Shaders/landmass.geom b/Shaders/landmass.geom
index 41f15b253..673496592 100644
--- a/Shaders/landmass.geom
+++ b/Shaders/landmass.geom
@@ -1,4 +1,4 @@
-#version 150
+#version 120
 #extension GL_EXT_geometry_shader4 : enable
 
 // Geometry shader that creates a prism from a terrain triangle,
@@ -7,28 +7,28 @@
 // A geometry shader should do as little computation as possible.
 
 // See landmass-g.vert for a description of the inputs.
-in vec4 rawposIn[3];
-in vec3 NormalIn[3];
-in vec4 ecPosIn[3];
-in vec3 ecNormalIn[3];
-in vec3 VTangentIn[3];
-in vec3 VBinormalIn[3];
-in vec4 constantColorIn[3];
+varying in vec4 rawposIn[3];
+varying in vec3 NormalIn[3];
+varying in vec4 ecPosIn[3];
+varying in vec3 ecNormalIn[3];
+varying in vec3 VTangentIn[3];
+varying in vec3 VBinormalIn[3];
+varying in vec4 constantColorIn[3];
 
 uniform float canopy_height;
 
 // model position
-out vec4 rawpos;
+varying out vec4 rawpos;
 // eye position
-out vec4 ecPosition;
+varying out vec4 ecPosition;
 // eye space surface matrix
-out vec3 VNormal;
-out vec3 VTangent;
-out vec3 VBinormal;
+varying out vec3 VNormal;
+varying out vec3 VTangent;
+varying out vec3 VBinormal;
 // model normal
-out vec3 Normal;
-out vec4 constantColor;
-out float bump;
+varying out vec3 Normal;
+varying out vec4 constantColor;
+varying out float bump;
 
 // Emit one vertex of the forest geometry.
 // parameters: