Source code
Revision control
Copy as Markdown
Other Tools
#![allow(unused_variables)]
use std::ops::Range;
#[derive(Clone, Debug)]
pub struct Api;
pub struct Context;
#[derive(Debug)]
pub struct Encoder;
#[derive(Debug)]
pub struct Resource;
type DeviceResult<T> = Result<T, crate::DeviceError>;
impl crate::Api for Api {
type Instance = Context;
type Surface = Context;
type Adapter = Context;
type Device = Context;
type Queue = Context;
type CommandEncoder = Encoder;
type CommandBuffer = Resource;
type Buffer = Resource;
type Texture = Resource;
type SurfaceTexture = Resource;
type TextureView = Resource;
type Sampler = Resource;
type QuerySet = Resource;
type Fence = Resource;
type AccelerationStructure = Resource;
type BindGroupLayout = Resource;
type BindGroup = Resource;
type PipelineLayout = Resource;
type ShaderModule = Resource;
type RenderPipeline = Resource;
type ComputePipeline = Resource;
}
impl crate::Instance for Context {
type A = Api;
unsafe fn init(desc: &crate::InstanceDescriptor) -> Result<Self, crate::InstanceError> {
Ok(Context)
}
unsafe fn create_surface(
&self,
_display_handle: raw_window_handle::RawDisplayHandle,
_window_handle: raw_window_handle::RawWindowHandle,
) -> Result<Context, crate::InstanceError> {
Ok(Context)
}
unsafe fn destroy_surface(&self, surface: Context) {}
unsafe fn enumerate_adapters(&self) -> Vec<crate::ExposedAdapter<Api>> {
Vec::new()
}
}
impl crate::Surface for Context {
type A = Api;
unsafe fn configure(
&self,
device: &Context,
config: &crate::SurfaceConfiguration,
) -> Result<(), crate::SurfaceError> {
Ok(())
}
unsafe fn unconfigure(&self, device: &Context) {}
unsafe fn acquire_texture(
&self,
timeout: Option<std::time::Duration>,
) -> Result<Option<crate::AcquiredSurfaceTexture<Api>>, crate::SurfaceError> {
Ok(None)
}
unsafe fn discard_texture(&self, texture: Resource) {}
}
impl crate::Adapter for Context {
type A = Api;
unsafe fn open(
&self,
features: wgt::Features,
_limits: &wgt::Limits,
) -> DeviceResult<crate::OpenDevice<Api>> {
Err(crate::DeviceError::Lost)
}
unsafe fn texture_format_capabilities(
&self,
format: wgt::TextureFormat,
) -> crate::TextureFormatCapabilities {
crate::TextureFormatCapabilities::empty()
}
unsafe fn surface_capabilities(&self, surface: &Context) -> Option<crate::SurfaceCapabilities> {
None
}
unsafe fn get_presentation_timestamp(&self) -> wgt::PresentationTimestamp {
wgt::PresentationTimestamp::INVALID_TIMESTAMP
}
}
impl crate::Queue for Context {
type A = Api;
unsafe fn submit(
&self,
command_buffers: &[&Resource],
surface_textures: &[&Resource],
signal_fence: Option<(&mut Resource, crate::FenceValue)>,
) -> DeviceResult<()> {
Ok(())
}
unsafe fn present(
&self,
surface: &Context,
texture: Resource,
) -> Result<(), crate::SurfaceError> {
Ok(())
}
unsafe fn get_timestamp_period(&self) -> f32 {
1.0
}
}
impl crate::Device for Context {
type A = Api;
unsafe fn exit(self, queue: Context) {}
unsafe fn create_buffer(&self, desc: &crate::BufferDescriptor) -> DeviceResult<Resource> {
Ok(Resource)
}
unsafe fn destroy_buffer(&self, buffer: Resource) {}
unsafe fn map_buffer(
&self,
buffer: &Resource,
range: crate::MemoryRange,
) -> DeviceResult<crate::BufferMapping> {
Err(crate::DeviceError::Lost)
}
unsafe fn unmap_buffer(&self, buffer: &Resource) -> DeviceResult<()> {
Ok(())
}
unsafe fn flush_mapped_ranges<I>(&self, buffer: &Resource, ranges: I) {}
unsafe fn invalidate_mapped_ranges<I>(&self, buffer: &Resource, ranges: I) {}
unsafe fn create_texture(&self, desc: &crate::TextureDescriptor) -> DeviceResult<Resource> {
Ok(Resource)
}
unsafe fn destroy_texture(&self, texture: Resource) {}
unsafe fn create_texture_view(
&self,
texture: &Resource,
desc: &crate::TextureViewDescriptor,
) -> DeviceResult<Resource> {
Ok(Resource)
}
unsafe fn destroy_texture_view(&self, view: Resource) {}
unsafe fn create_sampler(&self, desc: &crate::SamplerDescriptor) -> DeviceResult<Resource> {
Ok(Resource)
}
unsafe fn destroy_sampler(&self, sampler: Resource) {}
unsafe fn create_command_encoder(
&self,
desc: &crate::CommandEncoderDescriptor<Api>,
) -> DeviceResult<Encoder> {
Ok(Encoder)
}
unsafe fn destroy_command_encoder(&self, encoder: Encoder) {}
unsafe fn create_bind_group_layout(
&self,
desc: &crate::BindGroupLayoutDescriptor,
) -> DeviceResult<Resource> {
Ok(Resource)
}
unsafe fn destroy_bind_group_layout(&self, bg_layout: Resource) {}
unsafe fn create_pipeline_layout(
&self,
desc: &crate::PipelineLayoutDescriptor<Api>,
) -> DeviceResult<Resource> {
Ok(Resource)
}
unsafe fn destroy_pipeline_layout(&self, pipeline_layout: Resource) {}
unsafe fn create_bind_group(
&self,
desc: &crate::BindGroupDescriptor<Api>,
) -> DeviceResult<Resource> {
Ok(Resource)
}
unsafe fn destroy_bind_group(&self, group: Resource) {}
unsafe fn create_shader_module(
&self,
desc: &crate::ShaderModuleDescriptor,
shader: crate::ShaderInput,
) -> Result<Resource, crate::ShaderError> {
Ok(Resource)
}
unsafe fn destroy_shader_module(&self, module: Resource) {}
unsafe fn create_render_pipeline(
&self,
desc: &crate::RenderPipelineDescriptor<Api>,
) -> Result<Resource, crate::PipelineError> {
Ok(Resource)
}
unsafe fn destroy_render_pipeline(&self, pipeline: Resource) {}
unsafe fn create_compute_pipeline(
&self,
desc: &crate::ComputePipelineDescriptor<Api>,
) -> Result<Resource, crate::PipelineError> {
Ok(Resource)
}
unsafe fn destroy_compute_pipeline(&self, pipeline: Resource) {}
unsafe fn create_query_set(
&self,
desc: &wgt::QuerySetDescriptor<crate::Label>,
) -> DeviceResult<Resource> {
Ok(Resource)
}
unsafe fn destroy_query_set(&self, set: Resource) {}
unsafe fn create_fence(&self) -> DeviceResult<Resource> {
Ok(Resource)
}
unsafe fn destroy_fence(&self, fence: Resource) {}
unsafe fn get_fence_value(&self, fence: &Resource) -> DeviceResult<crate::FenceValue> {
Ok(0)
}
unsafe fn wait(
&self,
fence: &Resource,
value: crate::FenceValue,
timeout_ms: u32,
) -> DeviceResult<bool> {
Ok(true)
}
unsafe fn start_capture(&self) -> bool {
false
}
unsafe fn stop_capture(&self) {}
unsafe fn create_acceleration_structure(
&self,
desc: &crate::AccelerationStructureDescriptor,
) -> DeviceResult<Resource> {
Ok(Resource)
}
unsafe fn get_acceleration_structure_build_sizes<'a>(
&self,
_desc: &crate::GetAccelerationStructureBuildSizesDescriptor<'a, Api>,
) -> crate::AccelerationStructureBuildSizes {
Default::default()
}
unsafe fn get_acceleration_structure_device_address(
&self,
_acceleration_structure: &Resource,
) -> wgt::BufferAddress {
Default::default()
}
unsafe fn destroy_acceleration_structure(&self, _acceleration_structure: Resource) {}
}
impl crate::CommandEncoder for Encoder {
type A = Api;
unsafe fn begin_encoding(&mut self, label: crate::Label) -> DeviceResult<()> {
Ok(())
}
unsafe fn discard_encoding(&mut self) {}
unsafe fn end_encoding(&mut self) -> DeviceResult<Resource> {
Ok(Resource)
}
unsafe fn reset_all<I>(&mut self, command_buffers: I) {}
unsafe fn transition_buffers<'a, T>(&mut self, barriers: T)
where
T: Iterator<Item = crate::BufferBarrier<'a, Api>>,
{
}
unsafe fn transition_textures<'a, T>(&mut self, barriers: T)
where
T: Iterator<Item = crate::TextureBarrier<'a, Api>>,
{
}
unsafe fn clear_buffer(&mut self, buffer: &Resource, range: crate::MemoryRange) {}
unsafe fn copy_buffer_to_buffer<T>(&mut self, src: &Resource, dst: &Resource, regions: T) {}
#[cfg(webgl)]
unsafe fn copy_external_image_to_texture<T>(
&mut self,
src: &wgt::ImageCopyExternalImage,
dst: &Resource,
dst_premultiplication: bool,
regions: T,
) where
T: Iterator<Item = crate::TextureCopy>,
{
}
unsafe fn copy_texture_to_texture<T>(
&mut self,
src: &Resource,
src_usage: crate::TextureUses,
dst: &Resource,
regions: T,
) {
}
unsafe fn copy_buffer_to_texture<T>(&mut self, src: &Resource, dst: &Resource, regions: T) {}
unsafe fn copy_texture_to_buffer<T>(
&mut self,
src: &Resource,
src_usage: crate::TextureUses,
dst: &Resource,
regions: T,
) {
}
unsafe fn begin_query(&mut self, set: &Resource, index: u32) {}
unsafe fn end_query(&mut self, set: &Resource, index: u32) {}
unsafe fn write_timestamp(&mut self, set: &Resource, index: u32) {}
unsafe fn reset_queries(&mut self, set: &Resource, range: Range<u32>) {}
unsafe fn copy_query_results(
&mut self,
set: &Resource,
range: Range<u32>,
buffer: &Resource,
offset: wgt::BufferAddress,
stride: wgt::BufferSize,
) {
}
// render
unsafe fn begin_render_pass(&mut self, desc: &crate::RenderPassDescriptor<Api>) {}
unsafe fn end_render_pass(&mut self) {}
unsafe fn set_bind_group(
&mut self,
layout: &Resource,
index: u32,
group: &Resource,
dynamic_offsets: &[wgt::DynamicOffset],
) {
}
unsafe fn set_push_constants(
&mut self,
layout: &Resource,
stages: wgt::ShaderStages,
offset_bytes: u32,
data: &[u32],
) {
}
unsafe fn insert_debug_marker(&mut self, label: &str) {}
unsafe fn begin_debug_marker(&mut self, group_label: &str) {}
unsafe fn end_debug_marker(&mut self) {}
unsafe fn set_render_pipeline(&mut self, pipeline: &Resource) {}
unsafe fn set_index_buffer<'a>(
&mut self,
binding: crate::BufferBinding<'a, Api>,
format: wgt::IndexFormat,
) {
}
unsafe fn set_vertex_buffer<'a>(&mut self, index: u32, binding: crate::BufferBinding<'a, Api>) {
}
unsafe fn set_viewport(&mut self, rect: &crate::Rect<f32>, depth_range: Range<f32>) {}
unsafe fn set_scissor_rect(&mut self, rect: &crate::Rect<u32>) {}
unsafe fn set_stencil_reference(&mut self, value: u32) {}
unsafe fn set_blend_constants(&mut self, color: &[f32; 4]) {}
unsafe fn draw(
&mut self,
first_vertex: u32,
vertex_count: u32,
first_instance: u32,
instance_count: u32,
) {
}
unsafe fn draw_indexed(
&mut self,
first_index: u32,
index_count: u32,
base_vertex: i32,
first_instance: u32,
instance_count: u32,
) {
}
unsafe fn draw_indirect(
&mut self,
buffer: &Resource,
offset: wgt::BufferAddress,
draw_count: u32,
) {
}
unsafe fn draw_indexed_indirect(
&mut self,
buffer: &Resource,
offset: wgt::BufferAddress,
draw_count: u32,
) {
}
unsafe fn draw_indirect_count(
&mut self,
buffer: &Resource,
offset: wgt::BufferAddress,
count_buffer: &Resource,
count_offset: wgt::BufferAddress,
max_count: u32,
) {
}
unsafe fn draw_indexed_indirect_count(
&mut self,
buffer: &Resource,
offset: wgt::BufferAddress,
count_buffer: &Resource,
count_offset: wgt::BufferAddress,
max_count: u32,
) {
}
// compute
unsafe fn begin_compute_pass(&mut self, desc: &crate::ComputePassDescriptor<Api>) {}
unsafe fn end_compute_pass(&mut self) {}
unsafe fn set_compute_pipeline(&mut self, pipeline: &Resource) {}
unsafe fn dispatch(&mut self, count: [u32; 3]) {}
unsafe fn dispatch_indirect(&mut self, buffer: &Resource, offset: wgt::BufferAddress) {}
unsafe fn build_acceleration_structures<'a, T>(
&mut self,
_descriptor_count: u32,
descriptors: T,
) where
Api: 'a,
T: IntoIterator<Item = crate::BuildAccelerationStructureDescriptor<'a, Api>>,
{
}
unsafe fn place_acceleration_structure_barrier(
&mut self,
_barriers: crate::AccelerationStructureBarrier,
) {
}
}