still working on getiting these shaders to a usable API

resources/shaders/simple_texture.frag

@@ -0,0 +1,21 @@
+#version 450
+// SIMPLE TEXTURE : FRAGMENT SHADER
+
+// These come in from the previous shader (vertex)
+layout(location = 0) in vec2 texture_position;
+
+// This goes out to the bound image in window_size_dependent setup
+layout(location = 0) out vec4 f_color;
+
+// This is bound by the descriptor set
+// Currently handled by the individual buffer and are 1:1
+layout(set = 0, binding = 0) uniform sampler2D tex;
+
+void main() {
+
+    ivec2 pixel_pos = ivec2(gl_FragCoord.x, gl_FragCoord.y);
+
+    f_color = texture(tex, texture_position);
+    float gamma = 0.5;
+    f_color.rgb = pow(f_color.rgb, vec3(1.0/gamma));
+}

resources/shaders/simple_texture.vert

@@ -0,0 +1,21 @@
+#version 450
+// SIMPLE TEXTURE : VERTEX SHADER
+
+// These come in from the vertex definition
+// TODO : Need to add texture coordinate attribute so I can single VBO all these sumbitches
+layout(location = 0) in vec3 v_position;
+layout(location = 1) in vec4 color;
+layout(location = 2) in vec2 ti_position;
+
+// These are made up in the shader themselves
+layout(location = 0) out vec2 tex_coords;
+
+void main() {
+
+    gl_Position = vec4(v_position, 1.0);
+    tex_coords = ti_position;
+}
+
+
+
+

src/canvas/canvas_state.rs

@@ -27,6 +27,7 @@ use crate::util::vertex_3d::Vertex3D;
 use vulkano::pipeline::depth_stencil::{StencilFaceFlags, DynamicStencilValue};
 use crate::canvas::shader::common::{CompiledGraphicsPipeline, CompiledGraphicsPipelineHandle};
 use crate::canvas::shader::generic_shader::GenericShader;
+use vulkano::memory::pool::PotentialDedicatedAllocation::Generic;
 
 /// A drawable object can be passed into a CanvasFrame to be rendered
 /// Very generic implementation. (N % 2 == 0) vertices, ditto for texture coords, and rgba color
@@ -336,17 +337,17 @@ impl CanvasState {
 
     /// Load and Compile a shader with the filename at resources/shaders
     /// Takes physical and capabilities as we don't store that in Canvas
-    pub fn load_shader(&mut self,
+    pub fn load_shader<T: 'static>(&mut self,
                        filename: String,
                        physical: PhysicalDevice,
-                       capabilities: Capabilities) -> Option<Arc<CompiledGraphicsPipelineHandle>> {
+                       capabilities: Capabilities) -> Option<Arc<CompiledGraphicsPipelineHandle>>
+        where T: CompiledGraphicsPipeline {
 
         let handle = Arc::new(CompiledGraphicsPipelineHandle {
             handle: self.shader_buffers.len() as u32
         });
 
-
+        let shader : Box<dyn CompiledGraphicsPipeline> = Box::new(T::new(
-        let shader : Box<dyn CompiledGraphicsPipeline> = Box::new(GenericShader::new(
             filename.clone(),
             self.device.clone(),
             handle.clone(),

src/canvas/shader/canvas_shader.rs

@@ -1,22 +0,0 @@
-use vulkano::device::{Device, Queue};
-use vulkano::instance::{PhysicalDevice, QueueFamily, LayerProperties};
-use vulkano::pipeline::{GraphicsPipeline, GraphicsPipelineAbstract, GraphicsPipelineBuilder};
-use std::sync::Arc;
-use std::ffi::CStr;
-use std::path::PathBuf;
-use shade_runner as sr;
-use vulkano::framebuffer::{Subpass, RenderPassAbstract, Framebuffer, FramebufferAbstract};
-use vulkano::pipeline::shader::{GraphicsShaderType, ShaderModule, SpecializationConstants, SpecializationMapEntry, GeometryShaderExecutionMode, GraphicsEntryPointAbstract, GraphicsEntryPoint, EmptyEntryPointDummy};
-use vulkano::swapchain::Capabilities;
-use vulkano::pipeline::vertex::SingleBufferDefinition;
-use crate::util::vertex_3d::Vertex3D;
-use vulkano::pipeline::depth_stencil::{DepthStencil, Stencil, StencilOp, Compare, DepthBounds};
-use std::collections::{HashSet, HashMap};
-use shade_runner::{Layout, Output, Input, Entry};
-use vulkano::descriptor::pipeline_layout::PipelineLayout;
-use std::marker::PhantomData;
-use vulkano::pipeline::input_assembly::PrimitiveTopology;
-use vulkano::pipeline::blend::{Blend, AttachmentsBlend};
-use vulkano::pipeline::vertex::BufferlessDefinition;
-
-

src/canvas/shader/common.rs

@@ -4,6 +4,10 @@ use std::path::PathBuf;
 use vulkano::pipeline::GraphicsPipelineAbstract;
 use vulkano::framebuffer::RenderPassAbstract;
 use std::sync::Arc;
+use vulkano::pipeline::shader::{ShaderModule, GraphicsShaderType, GeometryShaderExecutionMode};
+use vulkano::device::Device;
+use shade_runner::Entry;
+use shaderc::ShaderKind;
 
 /*
 
@@ -24,7 +28,8 @@ This best works I think if I allow users to
 
 /// Inheriting this gives private functions to grab resources
 pub(super) trait CompiledGraphicsPipelineResources {
-    fn get_paths(filename: String, types: HashSet<ShaderType>) -> Vec<(ShaderType, PathBuf)> {
+
+    fn get_path(filename: String, shader_type: ShaderType) -> PathBuf {
         let project_root =
             std::env::current_dir()
                 .expect("failed to get root directory");
@@ -32,39 +37,62 @@ pub(super) trait CompiledGraphicsPipelineResources {
         let mut shader_path = project_root.clone();
         shader_path.push(PathBuf::from("resources/shaders/"));
 
-        let mut paths = Vec::new();
 
-        for shader_type in types {
+        let mut shader_path = shader_path.clone();
+
         match shader_type {
             ShaderType::VERTEX => {
-                    let mut shader_path = shader_path.clone();
                 shader_path.push(PathBuf::from(filename.clone() + ".vert"));
-                    paths.push((shader_type, shader_path));
             }
             ShaderType::FRAGMENT => {
-                    let mut shader_path = shader_path.clone();
                 shader_path.push(PathBuf::from(filename.clone() + ".frag"));
-                    paths.push((shader_type, shader_path));
             }
             ShaderType::GEOMETRY => {
-                    let mut shader_path = shader_path.clone();
                 shader_path.push(PathBuf::from(filename.clone() + ".geom"));
-                    paths.push((shader_type, shader_path));
             }
             ShaderType::TESSELLATION_CONTROL => {
-                    let mut shader_path = shader_path.clone();
                 shader_path.push(PathBuf::from(filename.clone() + ".tesscont"));
-                    paths.push((shader_type, shader_path));
             }
             ShaderType::TESSELLATION_EVALUATION => {
-                    let mut shader_path = shader_path.clone();
                 shader_path.push(PathBuf::from(filename.clone() + ".tesseval"));
-                    paths.push((shader_type, shader_path));
             }
         }
+
+        shader_path
+    }
+
+
+    fn compile(filepath: PathBuf, device: Arc<Device>, shader_type: ShaderType) -> (Entry, Arc<ShaderModule>) {
+        let compiled_shader = shade_runner::load(filepath, Self::convert_sr(shader_type))
+            .expect("Shader didn't compile");
+
+        let vulkano_entry =
+            shade_runner::parse(&compiled_shader)
+                .expect("failed to parse");
+
+        (vulkano_entry, unsafe {
+            ShaderModule::from_words(device.clone(), &compiled_shader.spriv.clone())
+        }.unwrap())
+    }
+
+    fn convert_vk(shader_type: ShaderType) -> GraphicsShaderType {
+        match shader_type {
+            ShaderType::VERTEX => { GraphicsShaderType::Vertex }
+            ShaderType::FRAGMENT => { GraphicsShaderType::Fragment }
+            ShaderType::GEOMETRY => { GraphicsShaderType::Geometry(GeometryShaderExecutionMode::Triangles) }
+            ShaderType::TESSELLATION_CONTROL => { GraphicsShaderType::TessellationControl }
+            ShaderType::TESSELLATION_EVALUATION => { GraphicsShaderType::TessellationEvaluation }
+        }
     }
 
-        paths
+    fn convert_sr(shader_type: ShaderType) -> ShaderKind {
+        match shader_type {
+            ShaderType::VERTEX => { ShaderKind::Vertex }
+            ShaderType::FRAGMENT => { ShaderKind::Fragment }
+            ShaderType::GEOMETRY => { ShaderKind::Geometry }
+            ShaderType::TESSELLATION_CONTROL => { ShaderKind::TessControl }
+            ShaderType::TESSELLATION_EVALUATION => { ShaderKind::TessEvaluation }
+        }
     }
 }
 
@@ -75,6 +103,10 @@ pub struct CompiledGraphicsPipelineHandle {
 }
 
 pub trait CompiledGraphicsPipeline {
+    fn new(filename: String,
+           device: Arc<Device>,
+           handle: Arc<CompiledGraphicsPipelineHandle>,
+           render_pass: Arc<dyn RenderPassAbstract + Send + Sync>) -> Self where Self: Sized;
     fn get_name(&self) -> String;
     fn get_handle(&self) -> Arc<CompiledGraphicsPipelineHandle>;
     fn get_pipeline(&self) -> Arc<dyn GraphicsPipelineAbstract + Sync + Send>;

src/canvas/shader/generic_shader.rs

@@ -16,6 +16,7 @@ use vulkano::pipeline::vertex::SingleBufferDefinition;
 use crate::util::vertex_3d::Vertex3D;
 use shade_runner as sr;
 use crate::canvas::shader::common::CompiledGraphicsPipelineResources;
+use vulkano::memory::pool::PotentialDedicatedAllocation::Generic;
 
 /// CanvasShader holds the pipeline and render pass for the input shader source
 #[derive(Clone)]
@@ -24,122 +25,53 @@ pub struct GenericShader {
 
     handle: Arc<CompiledGraphicsPipelineHandle>,
     name: String,
-    shader_types: HashSet<ShaderType>,
 
     device: Arc<Device>,
 }
 
+
+impl GenericShader {}
+
 /// Gives CanvasShader the resource functions
 impl CompiledGraphicsPipelineResources for GenericShader {}
 
 /// Convenience interface so we don't have to juggle shader types
 impl CompiledGraphicsPipeline for GenericShader {
-    fn get_name(&self) -> String {
-        self.name.clone()
-    }
-
-    fn get_handle(&self) -> Arc<CompiledGraphicsPipelineHandle> {
-        self.handle.clone()
-    }
-
-    fn get_pipeline(&self) -> Arc<dyn GraphicsPipelineAbstract + Sync + Send> {
-        self.graphics_pipeline.clone().unwrap()
-    }
-
-    fn recompile(self, render_pass: Arc<dyn RenderPassAbstract + Send + Sync>) -> GenericShader {
-        GenericShader::new(self.name,
-                           self.device,
-                           self.handle,
-                           render_pass.clone())
-    }
-}
-
-impl GenericShader {
 
     /// This will explode when the shader does not want to compile
-    pub fn new(filename: String,
+    fn new(filename: String,
                device: Arc<Device>,
                handle: Arc<CompiledGraphicsPipelineHandle>,
                render_pass: Arc<dyn RenderPassAbstract + Send + Sync>) -> GenericShader {
 
-        let mut shader_types : HashSet<ShaderType> =  vec![
+        let compiled_vertex = GenericShader::compile(
-            ShaderType::VERTEX,
+            GenericShader::get_path(filename.clone(), ShaderType::VERTEX),
-            ShaderType::FRAGMENT,
+            device.clone(), ShaderType::VERTEX
-        ].iter().cloned().collect();
+        );
-
+
-        let filenames = GenericShader::get_paths(filename.clone(), shader_types.clone());
+        let vertex_entry_point = unsafe {
-
+            Some(compiled_vertex.1.graphics_entry_point(
-        // I guess this really herky intermediate store is going to be the most flexible way to
+                &CStr::from_bytes_with_nul_unchecked(b"main\0"),
-        // create these pipelines?
+                compiled_vertex.0.input.unwrap(),
-
+                compiled_vertex.0.output.unwrap(),
-        let mut modules: HashMap<ShaderType, (Entry, Arc<ShaderModule>)> = HashMap::default();
+                compiled_vertex.0.layout,
-
+                GenericShader::convert_vk(ShaderType::VERTEX)
-        let mut entry_points: HashMap<ShaderType, GraphicsEntryPoint<ShaderSpecializationConstants,Input,Output,Layout>> = HashMap::default();
+            )).unwrap()
-
-        for shader in filenames {
-            let compiled_shader = sr::load_vertex(shader.1)
-                .expect("Shader didn't compile");
-
-            let vulkano_entry =
-                sr::parse(&compiled_shader)
-                    .expect("failed to parse");
-
-            modules.insert(shader.0, (vulkano_entry, unsafe {
-                ShaderModule::from_words(device.clone(), &compiled_shader.spriv.clone())
-            }.unwrap()));
-        }
-
-        for (shader_type, (entry, module)) in modules {
-
-            let graphics_shader_type = match shader_type {
-                ShaderType::VERTEX => { GraphicsShaderType::Vertex }
-                ShaderType::FRAGMENT => { GraphicsShaderType::Fragment }
-                ShaderType::GEOMETRY => { GraphicsShaderType::Geometry(GeometryShaderExecutionMode::Triangles) }
-                ShaderType::TESSELLATION_CONTROL => { GraphicsShaderType::TessellationControl }
-                ShaderType::TESSELLATION_EVALUATION => { GraphicsShaderType::TessellationEvaluation }
-            };
-
-            let entry_point: Option<GraphicsEntryPoint<
-                ShaderSpecializationConstants,
-                Input,
-                Output,
-                Layout>> = unsafe {
-                Some(GraphicsEntryPoint {
-                    module: &module,
-                    name: &CStr::from_bytes_with_nul_unchecked(b"main\0"),
-                    input: entry.input.unwrap(),
-                    layout: entry.layout,
-                    output: entry.output.unwrap(),
-                    ty: graphics_shader_type,
-                    marker: PhantomData::default(),
-                })
         };
 
-            entry_points.insert(shader_type, entry_point.unwrap().to_owned());
+        let compiled_fragment = GenericShader::compile(
-        }
+            GenericShader::get_path(filename.clone(), ShaderType::FRAGMENT).into(),
-
+            device.clone(), ShaderType::FRAGMENT
-        let stencil = DepthStencil {
+        );
-            depth_compare: Compare::Less,
+
-            depth_write: true,
+        let fragment_entry_point = unsafe {
-            depth_bounds_test: DepthBounds::Disabled,
+            Some(compiled_fragment.1.graphics_entry_point(
-            stencil_front: Stencil {
+                &CStr::from_bytes_with_nul_unchecked(b"main\0"),
-                compare: Compare::Equal,
+                compiled_fragment.0.input.unwrap(),
-                pass_op: StencilOp::IncrementAndWrap,
+                compiled_fragment.0.output.unwrap(),
-                fail_op: StencilOp::DecrementAndClamp,
+                compiled_fragment.0.layout,
-                depth_fail_op: StencilOp::Keep,
+                GenericShader::convert_vk(ShaderType::FRAGMENT)
-                compare_mask: None,
+            )).unwrap()
-                write_mask: None,
-                reference: None,
-            },
-            stencil_back: Stencil {
-                compare: Compare::Equal,
-                pass_op: StencilOp::Invert,
-                fail_op: StencilOp::Zero,
-                depth_fail_op: StencilOp::Zero,
-                compare_mask: None,
-                write_mask: None,
-                reference: None,
-            },
         };
 
         GenericShader {
@@ -148,7 +80,7 @@ impl GenericShader {
 
                 .vertex_input(SingleBufferDefinition::<Vertex3D>::new())
 
-                .vertex_shader(entry_points.get(&ShaderType::VERTEX).unwrap().clone(), ShaderSpecializationConstants {
+                .vertex_shader(vertex_entry_point.clone(), ShaderSpecializationConstants {
                     first_constant: 0,
                     second_constant: 0,
                     third_constant: 0.0,
@@ -158,14 +90,13 @@ impl GenericShader {
                 // Use a resizable viewport set to draw over the entire window
                 .viewports_dynamic_scissors_irrelevant(1)
 
-                .fragment_shader(entry_points.get(&ShaderType::VERTEX).unwrap().clone(), ShaderSpecializationConstants {
+                .fragment_shader(fragment_entry_point.clone(), ShaderSpecializationConstants {
                     first_constant: 0,
                     second_constant: 0,
                     third_constant: 0.0,
                 })
 
-                .depth_stencil(stencil)
+                .depth_stencil(DepthStencil::default())
-
 
                 // We have to indicate which subpass of which render pass this pipeline is going to be used
                 // in. The pipeline will only be usable from this particular subpass.
@@ -177,7 +108,26 @@ impl GenericShader {
             device: device,
             handle: handle.clone(),
             name: filename.clone(),
-            shader_types: shader_types.clone(),
         }
     }
+
+    fn get_name(&self) -> String {
+        self.name.clone()
     }
+
+    fn get_handle(&self) -> Arc<CompiledGraphicsPipelineHandle> {
+        self.handle.clone()
+    }
+
+    fn get_pipeline(&self) -> Arc<dyn GraphicsPipelineAbstract + Sync + Send> {
+        self.graphics_pipeline.clone().unwrap()
+    }
+
+    fn recompile(self, render_pass: Arc<dyn RenderPassAbstract + Send + Sync>) -> GenericShader {
+        GenericShader::new(self.name,
+                           self.device,
+                           self.handle,
+                           render_pass.clone())
+    }
+}
+

src/canvas/shader/text_shader.rs

@@ -23,98 +23,54 @@ pub struct TextShader {
 
     handle: Arc<CompiledGraphicsPipelineHandle>,
     name: String,
-    shader_types: HashSet<ShaderType>,
 
     device: Arc<Device>,
 }
 
+impl TextShader {}
+
 /// Gives CanvasShader the resource functions
 impl CompiledGraphicsPipelineResources for TextShader {}
 
 /// Convenience interface so we don't have to juggle shader types
 impl CompiledGraphicsPipeline for TextShader {
-    fn get_name(&self) -> String {
-        self.name.clone()
-    }
-
-    fn get_handle(&self) -> Arc<CompiledGraphicsPipelineHandle> {
-        self.handle.clone()
-    }
-
-    fn get_pipeline(&self) -> Arc<dyn GraphicsPipelineAbstract + Sync + Send> {
-        self.graphics_pipeline.clone().unwrap()
-    }
-
-    fn recompile(self, render_pass: Arc<dyn RenderPassAbstract + Send + Sync>) -> TextShader {
-        TextShader::new(self.name,
-                           self.device,
-                           self.handle,
-                           render_pass.clone())
-    }
-}
-
-impl TextShader {
 
     /// This will explode when the shader does not want to compile
-    pub fn new(filename: String,
+    fn new(filename: String,
            device: Arc<Device>,
            handle: Arc<CompiledGraphicsPipelineHandle>,
            render_pass: Arc<dyn RenderPassAbstract + Send + Sync>) -> TextShader {
-        let mut shader_types: HashSet<ShaderType> = vec![
-            ShaderType::VERTEX,
-            ShaderType::FRAGMENT,
-        ].iter().cloned().collect();
-
-        let filenames = GenericShader::get_paths(filename.clone(), shader_types.clone());
-
-        // I guess this really herky intermediate store is going to be the most flexible way to
-        // create these pipelines?
-
-        let mut modules: HashMap<ShaderType, (Entry, Arc<ShaderModule>)> = HashMap::default();
 
-        let mut entry_points: HashMap<ShaderType, GraphicsEntryPoint<ShaderSpecializationConstants, Input, Output, Layout>> = HashMap::default();
+        let compiled_vertex = GenericShader::compile(
-
+            GenericShader::get_path(filename.clone(), ShaderType::VERTEX).into(),
-        for shader in filenames {
+            device.clone(), ShaderType::VERTEX
-            let compiled_shader = sr::load_vertex(shader.1)
+        );
-                .expect("Shader didn't compile");
+
-
+        let vertex_entry_point = unsafe {
-            let vulkano_entry =
+            Some(compiled_vertex.1.graphics_entry_point(
-                sr::parse(&compiled_shader)
+                &CStr::from_bytes_with_nul_unchecked(b"main\0"),
-                    .expect("failed to parse");
+                compiled_vertex.0.input.unwrap(),
-
+                compiled_vertex.0.output.unwrap(),
-            modules.insert(shader.0, (vulkano_entry, unsafe {
+                compiled_vertex.0.layout,
-                ShaderModule::from_words(device.clone(), &compiled_shader.spriv.clone())
+                GenericShader::convert_vk(ShaderType::VERTEX),
-            }.unwrap()));
+            )).unwrap()
-        }
-
-        for (shader_type, (entry, module)) in modules {
-            let graphics_shader_type = match shader_type {
-                ShaderType::VERTEX => { GraphicsShaderType::Vertex }
-                ShaderType::FRAGMENT => { GraphicsShaderType::Fragment }
-                ShaderType::GEOMETRY => { GraphicsShaderType::Geometry(GeometryShaderExecutionMode::Triangles) }
-                ShaderType::TESSELLATION_CONTROL => { GraphicsShaderType::TessellationControl }
-                ShaderType::TESSELLATION_EVALUATION => { GraphicsShaderType::TessellationEvaluation }
         };
 
-            let entry_point: Option<GraphicsEntryPoint<
+        let compiled_fragment = GenericShader::compile(
-                ShaderSpecializationConstants,
+            GenericShader::get_path(filename.clone(), ShaderType::FRAGMENT).into(),
-                Input,
+            device.clone(), ShaderType::FRAGMENT
-                Output,
+        );
-                Layout>> = unsafe {
+
-                Some(GraphicsEntryPoint {
+        let fragment_entry_point = unsafe {
-                    module: &module,
+            Some(compiled_fragment.1.graphics_entry_point(
-                    name: &CStr::from_bytes_with_nul_unchecked(b"main\0"),
+                &CStr::from_bytes_with_nul_unchecked(b"main\0"),
-                    input: entry.input.unwrap(),
+                compiled_fragment.0.input.unwrap(),
-                    layout: entry.layout,
+                compiled_fragment.0.output.unwrap(),
-                    output: entry.output.unwrap(),
+                compiled_fragment.0.layout,
-                    ty: graphics_shader_type,
+                GenericShader::convert_vk(ShaderType::FRAGMENT),
-                    marker: PhantomData::default(),
+            )).unwrap()
-                })
         };
 
-            entry_points.insert(shader_type, entry_point.unwrap().clone());
-        }
-
         let stencil = DepthStencil {
             depth_compare: Compare::Less,
             depth_write: true,
@@ -145,7 +101,7 @@ impl TextShader {
 
                 .vertex_input(SingleBufferDefinition::<Vertex3D>::new())
 
-                .vertex_shader(entry_points.get(&ShaderType::VERTEX).unwrap().clone(), ShaderSpecializationConstants {
+                .vertex_shader(vertex_entry_point.clone(), ShaderSpecializationConstants {
                     first_constant: 0,
                     second_constant: 0,
                     third_constant: 0.0,
@@ -155,7 +111,7 @@ impl TextShader {
                 // Use a resizable viewport set to draw over the entire window
                 .viewports_dynamic_scissors_irrelevant(1)
 
-                .fragment_shader(entry_points.get(&ShaderType::VERTEX).unwrap().clone(), ShaderSpecializationConstants {
+                .fragment_shader(fragment_entry_point.clone(), ShaderSpecializationConstants {
                     first_constant: 0,
                     second_constant: 0,
                     third_constant: 0.0,
@@ -163,7 +119,6 @@ impl TextShader {
 
                 .depth_stencil(stencil)
 
-
                 // We have to indicate which subpass of which render pass this pipeline is going to be used
                 // in. The pipeline will only be usable from this particular subpass.
                 .render_pass(Subpass::from(render_pass.clone(), 0).unwrap())
@@ -174,7 +129,37 @@ impl TextShader {
             device: device,
             handle: handle.clone(),
             name: filename.clone(),
-            shader_types: shader_types.clone(),
         }
     }
+
+    fn get_name(&self) -> String {
+        self.name.clone()
+    }
+
+    fn get_handle(&self) -> Arc<CompiledGraphicsPipelineHandle> {
+        self.handle.clone()
+    }
+
+    fn get_pipeline(&self) -> Arc<dyn GraphicsPipelineAbstract + Sync + Send> {
+        self.graphics_pipeline.clone().unwrap()
+    }
+
+    fn recompile(self, render_pass: Arc<dyn RenderPassAbstract + Send + Sync>) -> TextShader {
+        TextShader::new(self.name,
+                        self.device,
+                        self.handle,
+                        render_pass.clone())
+    }
 }
+
+
+
+
+
+
+
+
+
+
+
+

src/main.rs

@@ -79,7 +79,6 @@ pub fn main() {
     let mut accumulator_time: f32 = 0.0;
     let mut current_time: f32 = timer.elap_time();
 
-
     let image_data = load_raw(String::from("funky-bird.jpg"));
     let image_dimensions_f = ((image_data.1).0 as f32, (image_data.1).1 as f32);
     let image_dimensions_u = image_data.1;
@@ -163,9 +162,11 @@ pub fn main() {
         }
 
         let mut canvas = CanvasFrame::new();
+
         canvas.draw(&funky_sprite);
-        canvas.draw(&sfml_sprite);
+
-        canvas.draw(&compu_sprite1);
+//        canvas.draw(&sfml_sprite);
+//        canvas.draw(&compu_sprite1);
 
         canvas.draw(&test_polygon);
 

src/vkprocessor.rs

@@ -18,6 +18,8 @@ use crate::compute::compu_buffer::{CompuBuffers, CompuBufferHandle};
 use std::time::Duration;
 use vulkano::pipeline::depth_stencil::{DynamicStencilValue, StencilFaceFlags};
 use crate::canvas::shader::common::CompiledGraphicsPipelineHandle;
+use crate::canvas::shader::generic_shader::GenericShader;
+use crate::canvas::shader::text_shader::TextShader;
 
 /// VKProcessor holds the vulkan instance information, the swapchain, and the compute and canvas states
 ///
@@ -155,9 +157,10 @@ impl<'a> VkProcessor<'a> {
 
     /// A hardcoded list of shaders which can be proloaded from this function
     pub fn preload_shaders(&mut self) {
-        self.canvas.load_shader(String::from("color-passthrough"), self.physical.clone(), self.capabilities.clone());
+        self.canvas.load_shader::<GenericShader>(String::from("color-passthrough"), self.physical.clone(), self.capabilities.clone());
-        self.canvas.load_shader(String::from("simple_texture"), self.physical.clone(), self.capabilities.clone());
+        self.canvas.load_shader::<GenericShader>(String::from("simple_texture"), self.physical.clone(), self.capabilities.clone());
-        self.canvas.load_shader(String::from("simple_image"), self.physical.clone(), self.capabilities.clone());
+        self.canvas.load_shader::<GenericShader>(String::from("simple_image"), self.physical.clone(), self.capabilities.clone());
+        self.canvas.load_shader::<TextShader>(String::from("simple_text"), self.physical.clone(), self.capabilities.clone());
     }
 
     /// O(n) Lookup for the matching texture string
@@ -256,6 +259,7 @@ impl<'a> VkProcessor<'a> {
         drop(g);
 
         let g = hprof::enter("Push draw commands to command buffer");
+        
         // Add the draw commands
         let mut command_buffer = self.canvas.draw_commands(command_buffer, framebuffers, image_num);