[update] the window size for the renderer to match the surface size, add a draw call to demo.

Author: vmarcella

lambda/src/core/render/command.rs

@@ -3,17 +3,10 @@ use std::{
   rc::Rc,
 };
 
-use lambda_platform::gfx::{
-  framebuffer::FramebufferBuilder,
-  viewport::ViewPort as PlatformViewPort,
-};
+use lambda_platform::gfx::viewport::ViewPort as PlatformViewPort;
 
 use super::{
-  internal::{
-    gpu_from_context,
-    mut_gpu_from_context,
-    surface_for_context,
-  },
+  internal::surface_for_context,
   PlatformRenderCommand,
   RenderContext,
 };

lambda/src/kernels/mod.rs

@@ -61,6 +61,7 @@ impl LambdaKernelBuilder {
     let mut event_loop = create_event_loop::<Event>();
     let window = WindowBuilder::new()
       .with_name(name.as_str())
+      .with_dimensions(800, 600)
       .build(&mut event_loop);
     let component_stack = Vec::new();
     let render_api = self.render_api.build(&window);

tools/lambda_rs_demo/src/main.rs

@@ -112,6 +112,7 @@ impl RenderableComponent<Event> for DemoComponent {
         render_pass: self.render_pass.as_ref().unwrap().clone(),
         viewport: viewport.clone(),
       },
+      RenderCommand::Draw { vertices: 0..3 },
     ];
   }