trace: replaying all the commands

.gitignore

@@ -1,4 +1,3 @@
-Cargo.lock
 /target
 **/*.rs.bk
 #Cargo.lock

player/Cargo.toml

@@ -16,8 +16,9 @@ publish = false
 
 [dependencies]
 env_logger = "0.7"
-ron = { version = "0.5" }
-winit = { version = "0.22" }
+log = "0.4"
+ron = "0.5"
+winit = { version = "0.22", optional = true }
 
 [dependencies.wgt]
 path = "../wgpu-types"

player/src/main.rs

@@ -5,12 +5,12 @@
 use wgc::device::trace;
 
 use std::{
+    ffi::CString,
     fmt::Debug,
     fs::File,
     marker::PhantomData,
     path::{Path, PathBuf},
 };
-use winit::{event_loop::EventLoop, window::WindowBuilder};
 
 macro_rules! gfx_select {
     ($id:expr => $global:ident.$method:ident( $($param:expr),+ )) => {
@@ -28,6 +28,24 @@ macro_rules! gfx_select {
     };
 }
 
+struct Label(Option<CString>);
+impl Label {
+    fn new(text: &str) -> Self {
+        Self(if text.is_empty() {
+            None
+        } else {
+            Some(CString::new(text).expect("invalid label"))
+        })
+    }
+
+    fn as_ptr(&self) -> *const std::os::raw::c_char {
+        match self.0 {
+            Some(ref c_string) => c_string.as_ptr(),
+            None => std::ptr::null(),
+        }
+    }
+}
+
 #[derive(Debug)]
 struct IdentityPassThrough<I>(PhantomData<I>);
 
@@ -52,31 +70,134 @@ impl<I: Clone + Debug + wgc::id::TypedId> wgc::hub::IdentityHandlerFactory<I>
 }
 impl wgc::hub::GlobalIdentityHandlerFactory for IdentityPassThroughFactory {}
 
+trait GlobalExt {
+    fn encode_commands<B: wgc::hub::GfxBackend>(
+        &self,
+        encoder: wgc::id::CommandEncoderId,
+        commands: Vec<trace::Command>,
+    ) -> wgc::id::CommandBufferId;
+}
+
+impl GlobalExt for wgc::hub::Global<IdentityPassThroughFactory> {
+    fn encode_commands<B: wgc::hub::GfxBackend>(
+        &self,
+        encoder: wgc::id::CommandEncoderId,
+        commands: Vec<trace::Command>,
+    ) -> wgc::id::CommandBufferId {
+        for command in commands {
+            match command {
+                trace::Command::CopyBufferToBuffer {
+                    src,
+                    src_offset,
+                    dst,
+                    dst_offset,
+                    size,
+                } => self.command_encoder_copy_buffer_to_buffer::<B>(
+                    encoder, src, src_offset, dst, dst_offset, size,
+                ),
+                trace::Command::CopyBufferToTexture { src, dst, size } => {
+                    self.command_encoder_copy_buffer_to_texture::<B>(encoder, &src, &dst, size)
+                }
+                trace::Command::CopyTextureToBuffer { src, dst, size } => {
+                    self.command_encoder_copy_texture_to_buffer::<B>(encoder, &src, &dst, size)
+                }
+                trace::Command::CopyTextureToTexture { src, dst, size } => {
+                    self.command_encoder_copy_texture_to_texture::<B>(encoder, &src, &dst, size)
+                }
+                trace::Command::RunComputePass {
+                    commands,
+                    dynamic_offsets,
+                } => unsafe {
+                    let mut offsets = &dynamic_offsets[..];
+                    let mut pass = wgc::command::RawPass::new_compute(encoder);
+                    for com in commands {
+                        pass.encode(&com);
+                        if let wgc::command::ComputeCommand::SetBindGroup {
+                            num_dynamic_offsets,
+                            ..
+                        } = com
+                        {
+                            pass.encode_slice(&offsets[..num_dynamic_offsets as usize]);
+                            offsets = &offsets[num_dynamic_offsets as usize..];
+                        }
+                    }
+                    let (data, _) = pass.finish_compute();
+                    self.command_encoder_run_compute_pass::<B>(encoder, &data);
+                },
+                trace::Command::RunRenderPass {
+                    target_colors,
+                    target_depth_stencil,
+                    commands,
+                    dynamic_offsets,
+                } => unsafe {
+                    let mut offsets = &dynamic_offsets[..];
+                    let mut pass = wgc::command::RawPass::new_render(
+                        encoder,
+                        &wgc::command::RenderPassDescriptor {
+                            color_attachments: target_colors.as_ptr(),
+                            color_attachments_length: target_colors.len(),
+                            depth_stencil_attachment: target_depth_stencil.as_ref(),
+                        },
+                    );
+                    for com in commands {
+                        pass.encode(&com);
+                        if let wgc::command::RenderCommand::SetBindGroup {
+                            num_dynamic_offsets,
+                            ..
+                        } = com
+                        {
+                            pass.encode_slice(&offsets[..num_dynamic_offsets as usize]);
+                            offsets = &offsets[num_dynamic_offsets as usize..];
+                        }
+                    }
+                    let (data, _) = pass.finish_render();
+                    self.command_encoder_run_render_pass::<B>(encoder, &data);
+                },
+            }
+        }
+        self.command_encoder_finish::<B>(encoder, &wgt::CommandBufferDescriptor { todo: 0 })
+    }
+}
+
 fn main() {
+    #[cfg(feature = "winit")]
+    use winit::{event_loop::EventLoop, window::WindowBuilder};
+
     env_logger::init();
 
-    let folder = match std::env::args().nth(1) {
+    //TODO: setting for the backend bits
+
+    let dir = match std::env::args().nth(1) {
         Some(arg) if Path::new(&arg).is_dir() => PathBuf::from(arg),
-        _ => panic!("Provide the folder path as the parameter"),
+        _ => panic!("Provide the dir path as the parameter"),
     };
 
-    let file = File::open(folder.join(trace::FILE_NAME)).unwrap();
+    log::info!("Loading trace '{:?}'", dir);
+    let file = File::open(dir.join(trace::FILE_NAME)).unwrap();
     let actions: Vec<trace::Action> = ron::de::from_reader(file).unwrap();
+    log::info!("Found {} actions", actions.len());
 
-    let event_loop = EventLoop::new();
-    let mut builder = WindowBuilder::new();
-    builder = builder.with_title("wgpu player");
-    let window = builder.build(&event_loop).unwrap();
+    #[cfg(feature = "winit")]
+    let event_loop = {
+        log::info!("Creating a window");
+        EventLoop::new()
+    };
+    #[cfg(feature = "winit")]
+    let window = WindowBuilder::new()
+        .with_title("wgpu player")
+        .with_resizable(false)
+        .build(&event_loop)
+        .unwrap();
 
     let global = wgc::hub::Global::new("player", IdentityPassThroughFactory);
-    let mut surface_id_manager = wgc::hub::IdentityManager::from_index(1);
     let mut adapter_id_manager = wgc::hub::IdentityManager::default();
-    let mut device_id_manager = wgc::hub::IdentityManager::default();
+    let mut command_buffer_id_manager = wgc::hub::IdentityManager::default();
 
+    #[cfg(feature = "winit")]
     let (_size, surface) = {
         let size = window.inner_size();
-        let id = surface_id_manager.alloc(wgt::Backend::Empty);
-        let surface = global.instance_create_surface(&window, id);
+        let id = wgc::id::TypedId::zip(1, 0, wgt::Backend::Empty);
+        let surface = global.instance_create_surface(window.raw_window_handle(), id);
         (size, surface)
     };
 
@@ -84,7 +205,10 @@ fn main() {
         .pick_adapter(
             &wgc::instance::RequestAdapterOptions {
                 power_preference: wgt::PowerPreference::Default,
+                #[cfg(feature = "winit")]
                 compatible_surface: Some(surface),
+                #[cfg(not(feature = "winit"))]
+                compatible_surface: None,
             },
             wgc::instance::AdapterInputs::IdSet(
                 &vec![
@@ -92,17 +216,20 @@ fn main() {
                     adapter_id_manager.alloc(wgt::Backend::Dx12),
                     adapter_id_manager.alloc(wgt::Backend::Metal),
                 ],
-                |id| wgc::id::TypedId::unzip(*id).2,
+                |id| id.backend(),
             ),
         )
         .unwrap();
 
-    let limits = match actions.first() {
-        Some(&trace::Action::Init { ref limits }) => limits.clone(),
-        other => panic!("Unsupported first action: {:?}", other),
-    };
+    let mut device = wgc::id::DeviceId::default();
 
-    let device = gfx_select!(adapter => global.adapter_request_device(
+    log::info!("Executing actions");
+    for action in actions {
+        use wgc::device::trace::Action as A;
+        match action {
+            A::Init { limits } => {
+                log::info!("Initializing the device");
+                device = gfx_select!(adapter => global.adapter_request_device(
                     adapter,
                     &wgt::DeviceDescriptor {
                         extensions: wgt::Extensions {
@@ -110,12 +237,159 @@ fn main() {
                         },
                         limits,
                     },
-        device_id_manager.alloc(wgt::Backend::Vulkan)
+                    wgc::id::TypedId::zip(1, 0, wgt::Backend::Empty)
                 ));
-
-    for action in actions.into_iter().skip(1) {
-        match action {
-            _ => {}
+            }
+            A::CreateBuffer { id, desc } => {
+                let label = Label::new(&desc.label);
+                gfx_select!(device => global.device_create_buffer(device, &desc.map_label(|_| label.as_ptr()), id));
+            }
+            A::DestroyBuffer(id) => {
+                gfx_select!(device => global.buffer_destroy(id));
+            }
+            A::CreateTexture { id, desc } => {
+                let label = Label::new(&desc.label);
+                gfx_select!(device => global.device_create_texture(device, &desc.map_label(|_| label.as_ptr()), id));
+            }
+            A::DestroyTexture(id) => {
+                gfx_select!(device => global.texture_destroy(id));
+            }
+            A::CreateTextureView {
+                id,
+                parent_id,
+                desc,
+            } => {
+                let label = desc.as_ref().map_or(Label(None), |d| Label::new(&d.label));
+                gfx_select!(device => global.texture_create_view(parent_id, desc.map(|d| d.map_label(|_| label.as_ptr())).as_ref(), id));
+            }
+            A::DestroyTextureView(id) => {
+                gfx_select!(device => global.texture_view_destroy(id));
+            }
+            A::CreateSampler { id, desc } => {
+                let label = Label::new(&desc.label);
+                gfx_select!(device => global.device_create_sampler(device, &desc.map_label(|_| label.as_ptr()), id));
+            }
+            A::DestroySampler(id) => {
+                gfx_select!(device => global.sampler_destroy(id));
+            }
+            A::CreateSwapChain { id: _, desc } => {
+                #[cfg(feature = "winit")]
+                {
+                    log::info!("Initializing the swapchain");
+                    window.set_inner_size(winit::dpi::PhysicalSize::new(desc.width, desc.height));
+                    gfx_select!(device => global.device_create_swap_chain(device, surface, &desc));
+                }
+                #[cfg(not(feature = "winit"))]
+                let _ = desc;
+            }
+            A::GetSwapChainTexture { id, parent_id } => {
+                gfx_select!(device => global.swap_chain_get_next_texture(parent_id, id)).unwrap();
+            }
+            A::PresentSwapChain(id) => {
+                gfx_select!(device => global.swap_chain_present(id));
+            }
+            A::CreateBindGroupLayout { id, label, entries } => {
+                let label = Label::new(&label);
+                gfx_select!(device => global.device_create_bind_group_layout(
+                    device,
+                    &wgc::binding_model::BindGroupLayoutDescriptor {
+                        label: label.as_ptr(),
+                        entries: entries.as_ptr(),
+                        entries_length: entries.len(),
+                    },
+                    id));
+            }
+            A::DestroyBindGroupLayout(id) => {
+                gfx_select!(device => global.bind_group_layout_destroy(id));
+            }
+            A::CreatePipelineLayout {
+                id,
+                bind_group_layouts,
+            } => {
+                gfx_select!(device => global.device_create_pipeline_layout(
+                    device,
+                    &wgc::binding_model::PipelineLayoutDescriptor {
+                        bind_group_layouts: bind_group_layouts.as_ptr(),
+                        bind_group_layouts_length: bind_group_layouts.len(),
+                    },
+                    id));
+            }
+            A::DestroyPipelineLayout(id) => {
+                gfx_select!(device => global.pipeline_layout_destroy(id));
+            }
+            A::CreateBindGroup {
+                id,
+                label,
+                layout_id,
+                entries,
+            } => {
+                use wgc::binding_model as bm;
+                let label = Label::new(&label);
+                let entry_vec = entries
+                    .into_iter()
+                    .map(|(binding, res)| wgc::binding_model::BindGroupEntry {
+                        binding,
+                        resource: match res {
+                            trace::BindingResource::Buffer { id, offset, size } => {
+                                bm::BindingResource::Buffer(bm::BufferBinding {
+                                    buffer: id,
+                                    offset,
+                                    size,
+                                })
+                            }
+                            trace::BindingResource::Sampler(id) => bm::BindingResource::Sampler(id),
+                            trace::BindingResource::TextureView(id) => {
+                                bm::BindingResource::TextureView(id)
+                            }
+                        },
+                    })
+                    .collect::<Vec<_>>();
+                gfx_select!(device => global.device_create_bind_group(
+                    device,
+                    &wgc::binding_model::BindGroupDescriptor {
+                        label: label.as_ptr(),
+                        layout: layout_id,
+                        entries: entry_vec.as_ptr(),
+                        entries_length: entry_vec.len(),
+                    },
+                    id
+                ));
+            }
+            A::DestroyBindGroup(id) => {
+                gfx_select!(device => global.bind_group_destroy(id));
+            }
+            A::CreateShaderModule { id, data } => {
+                let spv = wgt::read_spirv(File::open(dir.join(data)).unwrap()).unwrap();
+                gfx_select!(device => global.device_create_shader_module(
+                    device,
+                    &wgc::pipeline::ShaderModuleDescriptor {
+                        code: wgc::U32Array {
+                            bytes: spv.as_ptr(),
+                            length: spv.len(),
+                        },
+                    },
+                    id
+                ));
+            }
+            A::DestroyShaderModule(id) => {
+                gfx_select!(device => global.shader_module_destroy(id));
+            }
+            A::WriteBuffer { id, data, range } => {
+                let bin = std::fs::read(dir.join(data)).unwrap();
+                let size = (range.end - range.start) as usize;
+                gfx_select!(device => global.device_set_buffer_sub_data(device, id, range.start, &bin[..size]));
+            }
+            A::Submit(commands) => {
+                let encoder = gfx_select!(device => global.device_create_command_encoder(
+                    device,
+                    &wgt::CommandEncoderDescriptor {
+                        label: std::ptr::null(),
+                    },
+                    command_buffer_id_manager.alloc(device.backend())
+                ));
+                let comb = gfx_select!(device => global.encode_commands(encoder, commands));
+                gfx_select!(device => global.queue_submit(device, &[comb]));
+            }
         }
     }
 }

wgpu-core/src/command/mod.rs

@@ -109,13 +109,13 @@ impl RawPass {
     }
 
     #[inline]
-    unsafe fn encode<C: peek_poke::Poke>(&mut self, command: &C) {
+    pub unsafe fn encode<C: peek_poke::Poke>(&mut self, command: &C) {
         self.ensure_extra_size(C::max_size());
         self.data = command.poke_into(self.data);
     }
 
     #[inline]
-    unsafe fn encode_slice<T: Copy>(&mut self, data: &[T]) {
+    pub unsafe fn encode_slice<T: Copy>(&mut self, data: &[T]) {
         let align_offset = self.data.align_offset(mem::align_of::<T>());
         let extra = align_offset + mem::size_of::<T>() * data.len();
         self.ensure_extra_size(extra);

wgpu-core/src/device/mod.rs

@@ -610,7 +610,7 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
         match device.trace {
             Some(ref trace) => {
                 let mut trace = trace.lock();
-                let data_path = trace.make_binary("buffer", data);
+                let data_path = trace.make_binary("bin", data);
                 trace.add(trace::Action::WriteBuffer {
                     id: buffer_id,
                     data: data_path,
@@ -1481,7 +1481,7 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
         match device.trace {
             Some(ref trace) => {
                 let mut trace = trace.lock();
-                let data = trace.make_binary("shader", unsafe {
+                let data = trace.make_binary("spv", unsafe {
                     slice::from_raw_parts(desc.code.bytes as *const u8, desc.code.length * 4)
                 });
                 trace.add(trace::Action::CreateShaderModule { id, data });
@@ -2420,7 +2420,7 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
                         Some(ref trace) => {
                             let mut trace = trace.lock();
                             let size = sub_range.size_to(buffer.size);
-                            let data = trace.make_binary("buffer", unsafe {
+                            let data = trace.make_binary("bin", unsafe {
                                 slice::from_raw_parts(ptr, size as usize)
                             });
                             trace.add(trace::Action::WriteBuffer {

wgpu-core/src/device/trace.rs

@@ -160,7 +160,7 @@ impl Trace {
 
     pub fn make_binary(&mut self, kind: &str, data: &[u8]) -> String {
         self.binary_id += 1;
-        let name = format!("{}{}.bin", kind, self.binary_id);
+        let name = format!("data{}.{}", self.binary_id, kind);
         let _ = std::fs::write(self.path.join(&name), data);
         name
     }

wgpu-core/src/instance.rs

@@ -208,14 +208,14 @@ impl<I: Clone> AdapterInputs<'_, I> {
 
 impl<G: GlobalIdentityHandlerFactory> Global<G> {
     #[cfg(feature = "raw-window-handle")]
-    pub fn instance_create_surface<W: raw_window_handle::HasRawWindowHandle>(
+    pub fn instance_create_surface(
         &self,
-        window: &W,
+        handle: raw_window_handle::RawWindowHandle,
         id_in: Input<G, SurfaceId>,
     ) -> SurfaceId {
         use raw_window_handle::RawWindowHandle as Rwh;
 
-        let surface = match window.raw_window_handle() {
+        let surface = match handle {
             #[cfg(target_os = "ios")]
             Rwh::IOS(h) => Surface {
                 #[cfg(feature = "gfx-backend-vulkan")]

wgpu-core/src/resource.rs

@@ -85,6 +85,9 @@ pub enum BufferMapState {
     Idle,
 }
 
+unsafe impl Send for BufferMapState {}
+unsafe impl Sync for BufferMapState {}
+
 pub enum BufferMapOperation {
     Read {
         callback: crate::device::BufferMapReadCallback,