Added template dynamic vertex.

src/canvas/canvas_state.rs

@@ -31,6 +31,7 @@ use crate::canvas::shader::text_shader::GlyphInstance;
 use std::fs::File;
 use std::io::Read;
 use rusttype::{Font, PositionedGlyph, Scale, Rect, point, GlyphId};
+use vulkano::pipeline::vertex::VertexDefinition;
 
 
 // I don't think this is going to work without getting into Box'ing
@@ -322,7 +323,7 @@ impl CanvasState {
                                    filename: String,
                                    physical: PhysicalDevice,
                                    capabilities: Capabilities) -> Option<Arc<CompiledGraphicsPipelineHandle>>
-        where T: CompiledGraphicsPipeline {
+        where T: CompiledGraphicsPipeline, V: VertexDefinition {
 
         let handle = Arc::new(CompiledGraphicsPipelineHandle {
             handle: self.shader_buffers.len() as u32