Shaders won't work on my laptop without Nx4 matrices.

2 files changed, 10 insertions, 6 deletions

diff --git a/shaders/bullet_fragment.glsl b/shaders/bullet_fragment.glsl
index 55e29ff..71486ec 100644
--- a/shaders/bullet_fragment.glsl
+++ b/shaders/bullet_fragment.glsl
@@ -1,4 +1,6 @@
-varying mat3 v_tex_rot;
+#version 120
+
+in mat3x4 v_tex_rot;
 uniform sampler2D tex;
 
 void main() {
diff --git a/shaders/bullet_vertex.glsl b/shaders/bullet_vertex.glsl
index 0717b0a..96281cd 100644
--- a/shaders/bullet_vertex.glsl
+++ b/shaders/bullet_vertex.glsl
@@ -1,12 +1,14 @@
-varying mat3 v_tex_rot;
+#version 120
+
+varying out mat3x4 v_tex_rot;
 
 void main() {
 	vec4 l_position = gl_Vertex;
 	vec2 l_direction = normalize(l_position.zw);
-	v_tex_rot = mat3(
-		l_direction.x, l_direction.y, 0.0,
-		-l_direction.y, l_direction.x, 0.0,
-		1.0 - l_direction.x + l_direction.y, 1.0 - l_direction.y - l_direction.x, 0.0);
+	v_tex_rot = mat3x4(
+		l_direction.x, l_direction.y, 0.0, 0.0,
+		-l_direction.y, l_direction.x, 0.0, 0.0,
+		1.0 - l_direction.x + l_direction.y, 1.0 - l_direction.y - l_direction.x, 0.0, 0.0);
 	l_position.zw = vec2(0.0, 1.0);
 	gl_FrontColor = gl_Color;
 	gl_Position = gl_ModelViewProjectionMatrix * l_position;