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wgpu: Create bind group for textured quad for each bitmap 

Instead of creating a new bind group each time a bitmap is rendered,
create a bind group for each bitmap when it is registered.
This commit is contained in:
Mike Welsh 2020-12-25 19:19:42 -08:00
parent f343aff502
commit 1b77f0bc20
1 changed files with 32 additions and 30 deletions
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62
render/wgpu/src/lib.rs
View File

@ -747,6 +747,32 @@ impl<T: RenderTarget> WgpuRenderBackend<T> {
let width = bitmap.width;
let height = bitmap.height;
// Make bind group for bitmap quad.
let texture_view = texture.create_view(&Default::default());
let bind_group = self
.descriptors
.device
.create_bind_group(&wgpu::BindGroupDescriptor {
layout: &self.descriptors.pipelines.bitmap_layout,
entries: &[
wgpu::BindGroupEntry {
binding: 0,
resource: wgpu::BindingResource::Buffer {
buffer: &self.quad_tex_transforms,
offset: 0,
size: wgpu::BufferSize::new(
std::mem::size_of::<TextureTransforms>() as u64
),
},
},
wgpu::BindGroupEntry {
binding: 1,
resource: wgpu::BindingResource::TextureView(&texture_view),
},
],
label: create_debug_label!("Bitmap {} bind group", handle.0).as_deref(),
});
self.bitmap_registry.insert(handle, bitmap);
self.textures.push((
id,
@ -754,6 +780,7 @@ impl<T: RenderTarget> WgpuRenderBackend<T> {
texture,
width,
height,
bind_group,
},
));
@ -974,36 +1001,8 @@ impl<T: RenderTarget + 'static> RenderBackend for WgpuRenderBackend<T> {
],
];
let texture_view = texture.texture.create_view(&Default::default());
let bitmap_bind_group_label = create_debug_label!("Bitmap {} bind group", bitmap.0);
let bitmap_bind_group =
self.descriptors
.device
.create_bind_group(&wgpu::BindGroupDescriptor {
layout: &self.descriptors.pipelines.bitmap_layout,
entries: &[
wgpu::BindGroupEntry {
binding: 0,
resource: wgpu::BindingResource::Buffer {
buffer: &self.quad_tex_transforms,
offset: 0,
size: wgpu::BufferSize::new(
std::mem::size_of::<TextureTransforms>() as u64,
),
},
},
wgpu::BindGroupEntry {
binding: 1,
resource: wgpu::BindingResource::TextureView(&texture_view),
},
],
label: bitmap_bind_group_label.as_deref(),
});
frame.render_pass.set_pipeline(
&self
.descriptors
self.descriptors
.pipelines
.bitmap_pipelines
.pipeline_for(self.mask_state),
@ -1021,7 +1020,9 @@ impl<T: RenderTarget + 'static> RenderBackend for WgpuRenderBackend<T> {
frame
.render_pass
.set_bind_group(0, self.descriptors.globals.bind_group(), &[]);
frame.render_pass.set_bind_group(1, &bitmap_bind_group, &[]);
frame
.render_pass
.set_bind_group(1, &texture.bind_group, &[]);
frame.render_pass.set_bind_group(
2,
self.descriptors
@ -1495,6 +1496,7 @@ struct Texture {
width: u32,
height: u32,
texture: wgpu::Texture,
bind_group: wgpu::BindGroup,
}
struct RuffleVertexCtor {