in the midst of a very messy refactor of the way i build the command buffer

src/canvas.rs

@@ -1,5 +1,21 @@
-
-
+use crate::vertex_2d::{ColoredVertex2D, Vertex2D};
+use vulkano::command_buffer::{AutoCommandBufferBuilder, DynamicState};
+use crate::Sprite;
+use std::collections::HashMap;
+use vulkano::buffer::{BufferAccess, CpuAccessibleBuffer, BufferUsage};
+use std::sync::Arc;
+use vulkano::format::{ClearValue, Format};
+use vulkano::framebuffer::FramebufferAbstract;
+use vulkano::device::{Device, Queue};
+use vulkano::instance::PhysicalDevice;
+use vulkano::image::immutable::ImmutableImage;
+use crate::util::shader_kernels::ShaderKernels;
+use vulkano::image::{Dimensions, ImageUsage, ImageAccess, ImageDimensions};
+use vulkano::sampler::{Sampler, SamplerAddressMode, MipmapMode, Filter};
+use vulkano::descriptor::DescriptorSet;
+use vulkano::descriptor::descriptor_set::PersistentDescriptorSet;
+use std::path::PathBuf;
+use image::GenericImageView;
 // Canvas is the accumulator of Sprites for drawing
 
 // Needs to know:
@@ -12,34 +28,283 @@
 If it is textured. It needs to be rendered with the texture shader which requires a separate
     graphics pipeline. Might as well have a new render pass as well.
 
-Need to pull recreate swapchain out of shader_kernels.rs
-
 I need a second version of shaderkernels
 
 
+So framebuffer is tied to the swapchains images as well as the renderpass
+
+it appears that renderpass is tied to the individual shader
+
 
 */
 
+// I want to be able to draw 2d sprites.
+
+// These sprites might be textured or a single color
+
+// All of the single colors will be grouped into one batch using colored vertices.
+// The rest will be grouped by their texture and run individually
+
+
+/*
+
+vertex count differing is a big nono
+
+ColoredVertex2D
+    Non-Textured
+
+Vertex2D
+    Textured
+
+Colored, vs non-colored:
+    Calling the color() field or not
+
+
+
+
+I just wanna
+
+
+
+*/
+
+pub trait Vertex {
+    fn position(&self) -> (f32, f32) {
+        (0.0,0.0)
+    }
+
+    fn color(&self) -> Option<(f32, f32, f32, f32)> {
+        Some((0.,0.,0.,0.))
+    }
+
+    fn textured(&self) -> bool {
+        false
+    }
+}
 
-trait Drawable {
-    fn draw() {
 
+impl Vertex for ColoredVertex2D {
+
+    fn position(&self) -> (f32, f32) {
+        (0.0,0.0)
     }
+
+    fn color(&self) -> Option<(f32, f32, f32, f32)> {
+        Some((0.,0.,0.,0.))
     }
 
+    fn textured(&self) -> bool {
+        false
+    }
+}
+
+pub trait Drawable {
+    fn get_vertices(&self) -> Vec<(f32, f32)>;
+    fn get_color(&self) -> (f32, f32, f32, f32);
+    fn get_texture_id(&self) -> Option<i32>;
+}
+
+
+
 pub struct Canvas {
 
+    colored_drawables : Vec<ColoredVertex2D>,
 
+    textured_drawables: HashMap<String, Vec<Vertex2D>>,
+
+    vertex_buffers: Vec<Arc<(dyn BufferAccess + std::marker::Send + std::marker::Sync + 'static)>>,
+
+    shader_kernels: Vec<ShaderKernels>,
+
+    textures: Vec<Arc<ImmutableImage<Format>>>,
 }
 
+
 impl Canvas {
+    // needs to take in the texture list
     pub fn new() -> Canvas {
-
         Canvas {
+            colored_drawables: vec![],
+            textured_drawables: Default::default(),
+            vertex_buffers: vec![],
+
 
+            shader_kernels: Vec::new(),
+            textures: vec![]
         }
+    }
+
+    fn get_texture_from_file(image_filename: String, queue: Arc<Queue>) -> Arc<ImmutableImage<Format>> {
+
+        let project_root =
+            std::env::current_dir()
+                .expect("failed to get root directory");
+
+        let mut compute_path = project_root.clone();
+        compute_path.push(PathBuf::from("resources/images/"));
+        compute_path.push(PathBuf::from(image_filename));
+
+        let img = image::open(compute_path).expect("Couldn't find image");
+
+        let xy = img.dimensions();
 
+        let data_length = xy.0 * xy.1 * 4;
+        let pixel_count = img.raw_pixels().len();
+
+        let mut image_buffer = Vec::new();
+
+        if pixel_count != data_length as usize {
+            println!("Creating apha channel...");
+            for i in img.raw_pixels().iter() {
+                if (image_buffer.len() + 1) % 4 == 0 {
+                    image_buffer.push(255);
+                }
+                image_buffer.push(*i);
+            }
+            image_buffer.push(255);
+        } else {
+            image_buffer = img.raw_pixels();
+        }
+
+        let (texture, tex_future) = ImmutableImage::from_iter(
+            image_buffer.iter().cloned(),
+            Dimensions::Dim2d { width: xy.0, height: xy.1 },
+            Format::R8G8B8A8Srgb,
+            queue.clone()
+        ).unwrap();
+
+        texture
     }
 
-    pub fn draw() ->
+    pub fn load_texture_from_filename(&mut self, filename: String, queue: Arc<Queue>) {
+        let texture = Canvas::get_texture_from_file(filename.clone(), queue.clone());
+        self.textures.push(texture);
+
+        let texture1 = Canvas::get_texture_from_file(String::from("button.png"), queue.clone());
+        self.textures.push(texture1);
+    }
+
+    pub fn draw(&mut self, drawable: &dyn Drawable) {
+
+        match drawable.get_texture_id() {
+            Some(id) => {
+                // This dont work
+                self.textured_drawables.get(&id).unwrap();
+            },
+            None => {
+                let colors = drawable.get_color();
+
+                self.colored_drawables.extend(
+                    drawable.get_vertices().iter().map(|n|
+                        ColoredVertex2D {
+                            position: [n.0, n.1],
+                            color: [colors.0, colors.1, colors.2, colors.3]
+                        }
+                    )
+                );
+            }
+        }
+    }
+
+
+
+    pub fn allocate_vertex_buffers(&mut self, device: Arc<Device>) {
+
+        self.vertex_buffers.push(
+            CpuAccessibleBuffer::from_iter(
+                device.clone(),
+                BufferUsage::vertex_buffer(),
+                self.colored_drawables.iter().cloned()
+            ).unwrap()
+        );
+    }
+
+    // The image set is the containing object for all texture and image hooks.
+    fn get_texture_set(&mut self, device: Arc<Device>) -> Box<DescriptorSet + Send + Sync> {
+
+        let sampler = Sampler::new(device.clone(), Filter::Linear, Filter::Linear,
+                                   MipmapMode::Nearest, SamplerAddressMode::Repeat, SamplerAddressMode::Repeat,
+                                   SamplerAddressMode::Repeat, 0.0, 1.0, 0.0, 0.0).unwrap();
+
+        let o : Box<DescriptorSet + Send + Sync> = Box::new(
+            PersistentDescriptorSet::start(
+                self.shader_kernels.get(0).unwrap().clone().unwrap().get_pipeline(), 0
+            )
+                .add_sampled_image(self.textures.get(0).unwrap().clone(), sampler.clone()).unwrap()
+                .build().unwrap());
+        o
+    }
+
+    // The image set is the containing object for all texture and image hooks.
+    fn get_compute_swap_set(&mut self, device: Arc<Device>) -> Box<DescriptorSet + Send + Sync> {
+
+        let sampler = Sampler::new(device.clone(), Filter::Linear, Filter::Linear,
+                                   MipmapMode::Nearest, SamplerAddressMode::Repeat, SamplerAddressMode::Repeat,
+                                   SamplerAddressMode::Repeat, 0.0, 1.0, 0.0, 0.0).unwrap();
+
+        let o : Box<DescriptorSet + Send + Sync> = Box::new(
+            PersistentDescriptorSet::start(
+                self.shader_kernels.get(0).unwrap().clone().unwrap().get_pipeline(), 0
+            )
+                .add_image(self.compute_image.clone().unwrap().clone().get_swap_buffer().clone()).unwrap()
+                .build().unwrap());
+        o
+    }
+
+
+    /*
+
+
+    So I need the image set in order to get my texture or compute texture
+
+        compute image currently holds the set for compute and its swap buffer
+
+        vkprocessor creates the image sets for draw calls
+
+            takes the pipeline from the ShaderKernel
+            adds vk processor owned texture
+            adds compute image taken from the ComputeImage
+
+            we have shaderkernel in here so thats fine
+            Who should own the texture?
+                I would need to borrow it each time I created an image set...
+                These are tied very closely to the input output of a shader, which we would own
+
+
+            I just need to add a third option on sprite and allow it to have a swap buffer
+
+    */
+    
+    
+    pub fn draw_commands(&mut self,
+                         command_buffer: AutoCommandBufferBuilder,
+                         framebuffers: Vec<Arc<dyn FramebufferAbstract + Send + Sync>>,
+                         image_num: usize) -> AutoCommandBufferBuilder {
+
+        // Specify the color to clear the framebuffer with i.e. blue
+        let clear_values = vec!(ClearValue::Float([0.0, 0.0, 1.0, 1.0]));
+
+        let dynamic_state = DynamicState { line_width: None, viewports: None, scissors: None };
+
+        let mut command_buffer = command_buffer.begin_render_pass(
+            framebuffers[image_num].clone(), false, clear_values.clone()
+        ).unwrap();
+
+//        for i in self.shader_kernels {
+//            command_buffer = command_buffer.draw(
+//                i.clone().unwrap().get_pipeline(),
+//                &dynamic_state.clone(), self.vertex_buffers,
+//                vec![self.get_image_set()], ()
+//            ).unwrap();
+//        }
+//
+//            .draw(self.shader_kernels.clone().unwrap().get_pipeline(),
+//                  &dynamic_state.clone(), self.vertex_buffers,
+//                  vec![self.get_gui_image_set()], ())
+//            .unwrap();
+//
+        command_buffer
+            .end_render_pass()
+            .unwrap()
+    }
 }

src/main.rs

@@ -47,15 +47,17 @@ use winit::dpi::LogicalSize;
 use vulkano_win::VkSurfaceBuild;
 use sprite::Sprite;
 
+mod util;
+
 mod slider;
 mod timer;
 mod input;
 mod vkprocessor;
-mod util;
 mod button;
 mod vertex_2d;
 mod vertex_3d;
 mod sprite;
+mod canvas;
 
 fn main() {
 
@@ -87,10 +89,8 @@ fn main() {
 
     let mut mouse_xy = Vector2i::new(0,0);
 
-
     Sprite::new_with_color((0.,0.), (0,0), (0.,0.,0.,0.));
 
-
     while let Some(p) = window.get_position() {
 
         elapsed_time = timer.elap_time();

src/sprite.rs

@@ -1,9 +1,18 @@
 use crate::vertex_2d::ColoredVertex2D;
+use crate::canvas::Drawable;
 
 #[derive(Debug, Clone)]
 pub struct Sprite {
-    vertices: [ColoredVertex2D; 6],
-    color: [f32; 4],
+    pub vertices: [(f32, f32); 6],
+
+    position: (f32, f32),
+    size: (u32, u32),
+    color: (f32, f32, f32, f32),
+
+    textured: bool,
+    texture_id: i32,
+
+
 }
 
 impl Sprite {
@@ -14,21 +23,80 @@ impl Sprite {
 
     pub fn new_with_color(position: (f32, f32), size: (u32, u32), color: (f32, f32, f32, f32)) -> Sprite {
 
-        let size = (size.0 as f32, size.1 as f32);
-
-        let color = [color.0, color.1, color.2, color.3];
+        let fsize = (size.0 as f32, size.1 as f32);
 
         Sprite {
             vertices: [
-                ColoredVertex2D { position: [ position.0, position.1 ], color },                   // top left
-                ColoredVertex2D { position: [ position.0, position.1 + size.1], color },          // bottom left
-                ColoredVertex2D { position: [ position.0 + size.0, position.1 + size.1 ], color }, // bottom right
-
-                ColoredVertex2D { position: [ position.0, position.1 ], color },                   // top left
-                ColoredVertex2D { position: [ position.0 + size.0, position.1 + size.1 ], color }, // bottom right
-                ColoredVertex2D { position: [ position.0 + size.0, position.1 ], color },          // top right
+                (position.0,  position.1 ),                    // top left
+                (position.0,  position.1 + fsize.1),           // bottom left
+                (position.0 + fsize.0, position.1 + fsize.1 ), // bottom right
+                (position.0,  position.1 ),                    // top left
+                (position.0 + fsize.0, position.1 + fsize.1 ), // bottom right
+                (position.0 + fsize.0, position.1 ),           // top right
             ],
+
+            position: position,
+            size: size,
             color: color,
+            textured: false,
+            texture_id: 0
+        }
+    }
+
+    pub fn new_with_texture(position: (f32, f32), size: (u32, u32), texture_id: i32) -> Sprite {
+
+        let fsize = (size.0 as f32, size.1 as f32);
+
+        Sprite {
+            vertices: [
+                (position.0,  position.1 ),                    // top left
+                (position.0,  position.1 + fsize.1),           // bottom left
+                (position.0 + fsize.0, position.1 + fsize.1 ), // bottom right
+                (position.0,  position.1 ),                    // top left
+                (position.0 + fsize.0, position.1 + fsize.1 ), // bottom right
+                (position.0 + fsize.0, position.1 ),           // top right
+            ],
+            position,
+            size,
+            color: (0.0, 0.0, 0.0, 0.0),
+            textured: false,
+            texture_id
         }
     }
+
+
+
+}
+
+impl Drawable for Sprite {
+    fn get_vertices(&self) -> Vec<(f32,f32)> {
+        self.vertices.to_vec()
+    }
+
+    fn get_color(&self) -> (f32, f32, f32, f32) {
+        self.color.clone()
     }
+
+    fn get_texture_id(&self) -> Option<i32> {
+        match self.textured {
+            true => {
+                Some(self.texture_id.clone())
+            },
+            false => None,
+        }
+    }
+}
+
+/*
+
+        let vertex_buffer = {
+
+            CpuAccessibleBuffer::from_iter(self.device.clone(), BufferUsage::all(), [
+                ColoredVertex2D { position: [ 1.0, 1.0 ], color },
+                ColoredVertex2D { position: [ 1.0, 0.5 ], color },
+                ColoredVertex2D { position: [ 0.5, 0.5 ], color },
+                ColoredVertex2D { position: [ 0.5, 1.0 ], color },
+            ].iter().cloned()).unwrap()
+        };
+
+*/

src/util.rs

@@ -1,34 +0,0 @@
-//use crate::error::CompileError;
-//use shaderc::{IncludeType, ResolvedInclude};
-//use shaderc::{ShaderKind, CompileOptions};
-//use std::fs::File;
-//use std::io::Read;
-//use std::path::{Path, PathBuf};
-//
-//
-//
-//pub fn compile<T>(path: T, shader_kind: ShaderKind) -> Result<Vec<u32>, CompileError>
-//    where
-//        T: AsRef<Path>,
-//{
-//    // TODO Probably shouldn't create this every time.
-//    let mut compiler = shaderc::Compiler::new().ok_or(CompileError::CreateCompiler)?;
-//    let mut options = CompileOptions::new().ok_or(CompileError::CreateCompiler)?;
-//    let mut f = File::open(&path).map_err(CompileError::Open)?;
-//    let mut src = String::new();
-//    f.read_to_string(&mut src).map_err(CompileError::Open)?;
-//    options.set_include_callback(|path, include_type, folder_path, depth| {
-//        get_include(path, include_type, folder_path, depth)
-//    });
-//    let result = compiler
-//        .compile_into_spirv(
-//            src.as_str(),
-//            shader_kind,
-//            path.as_ref().to_str().ok_or(CompileError::InvalidPath)?,
-//            "main",
-//            Some(&options),
-//        )
-//        .map_err(CompileError::Compile)?;
-//    let data = result.as_binary();
-//    Ok(data.to_owned())
-//}

src/util/mod.rs

@@ -0,0 +1,3 @@
+pub mod compute_image;
+pub mod compute_kernel;
+pub mod shader_kernels;

src/vertex_2d.rs

@@ -11,3 +11,12 @@ pub struct ColoredVertex2D {
 }
 
 vulkano::impl_vertex!(ColoredVertex2D, position, color);
+vulkano::impl_vertex!(Vertex2D, position);
+
+
+
+impl From<(f32, f32)> for Vertex2D {
+    fn from(item: (f32, f32)) -> Self {
+        Vertex2D { position: [item.0, item.1] }
+    }
+}

src/vertex_3d.rs

@@ -9,3 +9,7 @@ pub struct ColoredVertex3D {
     position: [f32; 3],
     color   : [u8; 4],
 }
+
+vulkano::impl_vertex!(ColoredVertex3D, position, color);
+vulkano::impl_vertex!(Vertex3D, position);
+

src/vkprocessor.rs

@@ -35,22 +35,19 @@ use vulkano::image::immutable::ImmutableImage;
 use vulkano::image::attachment::AttachmentImage;
 use vulkano::image::{Dimensions, ImageUsage, ImageAccess, ImageDimensions};
 use vulkano::format::Format;
+use vulkano::format::ClearValue;
 use vulkano::sampler::{Sampler, Filter, MipmapMode, SamplerAddressMode};
 use image::flat::NormalForm::ColumnMajorPacked;
 
-mod compute_kernel;
-use crate::vkprocessor::compute_kernel::ComputeKernel;
-
-mod shader_kernels;
-use crate::vkprocessor::shader_kernels::ShaderKernels;
-
-mod compute_image;
-use crate::vkprocessor::compute_image::ComputeImage;
+use crate::util::compute_kernel::ComputeKernel;
+use crate::util::shader_kernels::ShaderKernels;
+use crate::util::compute_image::ComputeImage;
 
 use vulkano::descriptor::descriptor::DescriptorDesc;
 use crate::vertex_2d::ColoredVertex2D;
 
 
+
 /// This method is called once during initialization, then again whenever the window is resized
 fn window_size_dependent_setup(
     images: &[Arc<SwapchainImage<Window>>],
@@ -100,6 +97,8 @@ pub struct VkProcessor<'a> {
     pub swapchain: Option<Arc<Swapchain<Window>>>,
     pub swapchain_images: Option<Vec<Arc<SwapchainImage<Window>>>>,
 
+    swapchain_recreate_needed: bool,
+
 }
 
 
@@ -137,7 +136,8 @@ impl<'a> VkProcessor<'a> {
             textures: vec![],
             compute_image: None,
             swapchain: None,
-            swapchain_images: None
+            swapchain_images: None,
+            swapchain_recreate_needed: false,
         }
     }
 
@@ -176,7 +176,7 @@ impl<'a> VkProcessor<'a> {
 
             Swapchain::new(self.device.clone(),
                            surface.clone(),
-                           capabilities.min_image_count,
+                           capabilities.min_image_count, // number of attachment images
                            format,
                            initial_dimensions,
                            1, // Layers
@@ -287,6 +287,9 @@ impl<'a> VkProcessor<'a> {
             ].iter().cloned()).unwrap()
         };
 
+
+
+
         self.vertex_buffer = Some(vertex_buffer);
         self.vertex_buffer2 = Some(vertex_buffer2);
 
@@ -344,20 +347,17 @@ impl<'a> VkProcessor<'a> {
                                                            self.shader_kernels.clone().unwrap().render_pass.clone(),
                                                            &mut self.dynamic_state);
 
-        let mut recreate_swapchain = false;
-
         // The docs said to call this on each loop.
         frame_future.cleanup_finished();
 
         // Whenever the window resizes we need to recreate everything dependent on the window size.
         // In this example that includes the swapchain, the framebuffers and the dynamic state viewport.
-        if recreate_swapchain {
+        if self.swapchain_recreate_needed {
             self.recreate_swapchain(surface);
             framebuffers = window_size_dependent_setup(&self.swapchain_images.clone().unwrap().clone(),
                                                        self.shader_kernels.clone().unwrap().render_pass.clone(),
-                                                       //self.render_pass.clone().unwrap().clone(),
                                                        &mut self.dynamic_state);
-            recreate_swapchain = false;
+            self.swapchain_recreate_needed = false;
         }
 
         // This function can block if no image is available. The parameter is an optional timeout
@@ -365,15 +365,14 @@ impl<'a> VkProcessor<'a> {
         let (image_num, acquire_future) = match vulkano::swapchain::acquire_next_image(self.swapchain.clone().unwrap().clone(), None) {
             Ok(r) => r,
             Err(AcquireError::OutOfDate) => {
-                recreate_swapchain = true;
-                //continue;
-                panic!("Weird thing");
+                self.swapchain_recreate_needed = true;
+                return Box::new(sync::now(self.device.clone())) as Box<_>;
             }
             Err(err) => panic!("{:?}", err)
         };
 
         // Specify the color to clear the framebuffer with i.e. blue
-        let clear_values = vec!([0.0, 0.0, 1.0, 1.0].into());
+        let clear_values = vec!(ClearValue::Float([0.0, 0.0, 1.0, 1.0]));
 
         let mut v = Vec::new();
         v.push(self.vertex_buffer.clone().unwrap().clone());
@@ -383,7 +382,7 @@ impl<'a> VkProcessor<'a> {
 
         let xy = self.compute_image.clone().unwrap().get_size();
 
-        let command_buffer =
+        let mut command_buffer =
             AutoCommandBufferBuilder::primary_one_time_submit(self.device.clone(), self.queue.family())
                 .unwrap()
 
@@ -395,19 +394,20 @@ impl<'a> VkProcessor<'a> {
                 .copy_buffer_to_image(self.compute_image.clone().unwrap().clone().rw_buffers.get(0).unwrap().clone(),
                     self.compute_image.clone().unwrap().clone().get_swap_buffer().clone()).unwrap()
 
-                .begin_render_pass(framebuffers[image_num].clone(), false, clear_values)
+                .begin_render_pass(framebuffers[image_num].clone(), false, clear_values.clone())
                 .unwrap()
 
                 .draw(self.shader_kernels.clone().unwrap().get_pipeline(),
                       &self.dynamic_state.clone(), v,
                       vec![self.get_image_set()], ())
-                .unwrap()
+                .unwrap();
 
-                .draw(self.shader_kernels.clone().unwrap().get_pipeline(),
+        command_buffer = command_buffer.draw(self.shader_kernels.clone().unwrap().get_pipeline(),
                       &self.dynamic_state.clone(), v2,
                       vec![self.get_gui_image_set()], ())
-                .unwrap()
+                .unwrap();
 
+        let command_buffer = command_buffer
                 .end_render_pass()
                 .unwrap()
 
@@ -424,7 +424,7 @@ impl<'a> VkProcessor<'a> {
                 (Box::new(future) as Box<_>)
             }
             Err(FlushError::OutOfDate) => {
-                recreate_swapchain = true;
+                self.swapchain_recreate_needed = true;
                 (Box::new(sync::now(self.device.clone())) as Box<_>)
             }
             Err(e) => {