Up shader version to 150/OpenGL 3.2

Up version to 0.6.4

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "gfx_glyph"
-version = "0.6.3"
+version = "0.6.4"
 authors = ["Alex Butler <[email protected]>"]
 description = "Fast GPU cached text rendering using gfx-rs & rusttype"
 repository = "https://github.com/alexheretic/gfx-glyph"

README.md

@@ -45,4 +45,4 @@ Have a look at
 
 
 ## Limitations
-The current implementation supports OpenGL *(3.0 or later)*. However, other rendering languages (that are supported by gfx) should be easy enough to add. Send in your PRs!
+The current implementation supports OpenGL *(3.2 or later)*. In future we'll support to the new gfx-rs next-gen shaders.

src/shader/frag.glsl

@@ -1,4 +1,4 @@
-#version 130
+#version 150
 
 uniform sampler2D font_tex;
 

src/shader/vert.glsl

@@ -1,4 +1,4 @@
-#version 130
+#version 150
 
 uniform mat4 transform;