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Add pipeline statistics and timeline queries

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This commit is contained in:
Connor Fitzgerald 2021-01-03 02:33:29 -05:00
parent 0491d00d70
commit a22037ced0
18 changed files with 1153 additions and 12 deletions
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32
player/src/lib.rs
View File

@ -81,6 +81,28 @@ impl GlobalPlay for wgc::hub::Global<IdentityPassThroughFactory> {
trace::Command::CopyTextureToTexture { src, dst, size } => self
.command_encoder_copy_texture_to_texture::<B>(encoder, &src, &dst, &size)
.unwrap(),
trace::Command::WriteTimestamp {
query_set_id,
query_index,
} => self
.command_encoder_write_timestamp::<B>(encoder, query_set_id, query_index)
.unwrap(),
trace::Command::ResolveQuerySet {
query_set_id,
start_query,
query_count,
destination,
destination_offset,
} => self
.command_encoder_resolve_query_set::<B>(
encoder,
query_set_id,
start_query,
query_count,
destination,
destination_offset,
)
.unwrap(),
trace::Command::RunComputePass { base } => {
self.command_encoder_run_compute_pass_impl::<B>(encoder, base.as_ref())
.unwrap();
@ -267,6 +289,16 @@ impl GlobalPlay for wgc::hub::Global<IdentityPassThroughFactory> {
A::DestroyRenderBundle(id) => {
self.render_bundle_drop::<B>(id);
}
A::CreateQuerySet { id, desc } => {
self.device_maintain_ids::<B>(device).unwrap();
let (_, error) = self.device_create_query_set::<B>(device, &desc, id);
if let Some(e) = error {
panic!("{:?}", e);
}
}
A::DestroyQuerySet(id) => {
self.query_set_drop::<B>(id);
}
A::WriteBuffer {
id,
data,

6
wgpu-core/src/command/bundle.rs
View File

@ -430,6 +430,9 @@ impl RenderBundleEncoder {
RenderCommand::PushDebugGroup { color: _, len: _ } => unimplemented!(),
RenderCommand::InsertDebugMarker { color: _, len: _ } => unimplemented!(),
RenderCommand::PopDebugGroup => unimplemented!(),
RenderCommand::WriteTimestamp { .. }
| RenderCommand::BeginPipelineStatisticsQuery { .. }
| RenderCommand::EndPipelineStatisticsQuery => unimplemented!(),
RenderCommand::ExecuteBundle(_)
| RenderCommand::SetBlendColor(_)
| RenderCommand::SetStencilReference(_)
@ -693,6 +696,9 @@ impl RenderBundle {
RenderCommand::PushDebugGroup { color: _, len: _ } => unimplemented!(),
RenderCommand::InsertDebugMarker { color: _, len: _ } => unimplemented!(),
RenderCommand::PopDebugGroup => unimplemented!(),
RenderCommand::WriteTimestamp { .. }
| RenderCommand::BeginPipelineStatisticsQuery { .. }
| RenderCommand::EndPipelineStatisticsQuery => unimplemented!(),
RenderCommand::ExecuteBundle(_)
| RenderCommand::SetBlendColor(_)
| RenderCommand::SetStencilReference(_)

121
wgpu-core/src/command/compute.rs
View File

@ -6,8 +6,8 @@ use crate::{
binding_model::{BindError, BindGroup, PushConstantUploadError},
command::{
bind::{Binder, LayoutChange},
BasePass, BasePassRef, CommandBuffer, CommandEncoderError, MapPassErr, PassErrorScope,
StateChange,
end_pipeline_statistics_query, BasePass, BasePassRef, CommandBuffer, CommandEncoderError,
MapPassErr, PassErrorScope, QueryUseError, StateChange,
},
hub::{GfxBackend, Global, GlobalIdentityHandlerFactory, Storage, Token},
id,
@ -23,6 +23,7 @@ use hal::command::CommandBuffer as _;
use thiserror::Error;
use wgt::{BufferAddress, BufferUsage, ShaderStage};
use crate::track::UseExtendError;
use std::{fmt, iter, str};
#[doc(hidden)]
@ -61,6 +62,15 @@ pub enum ComputeCommand {
color: u32,
len: usize,
},
WriteTimestamp {
query_set_id: id::QuerySetId,
query_index: u32,
},
BeginPipelineStatisticsQuery {
query_set_id: id::QuerySetId,
query_index: u32,
},
EndPipelineStatisticsQuery,
}
#[cfg_attr(feature = "serial-pass", derive(serde::Deserialize, serde::Serialize))]
@ -127,6 +137,8 @@ pub enum ComputePassErrorInner {
BindGroupIndexOutOfRange { index: u8, max: u32 },
#[error("compute pipeline {0:?} is invalid")]
InvalidPipeline(id::ComputePipelineId),
#[error("QuerySet {0:?} is invalid")]
InvalidQuerySet(id::QuerySetId),
#[error("indirect buffer {0:?} is invalid or destroyed")]
InvalidIndirectBuffer(id::BufferId),
#[error(transparent)]
@ -141,6 +153,8 @@ pub enum ComputePassErrorInner {
Bind(#[from] BindError),
#[error(transparent)]
PushConstants(#[from] PushConstantUploadError),
#[error(transparent)]
QueryUse(#[from] QueryUseError),
}
/// Error encountered when performing a compute pass.
@ -260,6 +274,7 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
let (pipeline_layout_guard, mut token) = hub.pipeline_layouts.read(&mut token);
let (bind_group_guard, mut token) = hub.bind_groups.read(&mut token);
let (pipeline_guard, mut token) = hub.compute_pipelines.read(&mut token);
let (query_set_guard, mut token) = hub.query_sets.read(&mut token);
let (buffer_guard, mut token) = hub.buffers.read(&mut token);
let (texture_guard, _) = hub.textures.read(&mut token);
@ -272,6 +287,7 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
let mut temp_offsets = Vec::new();
let mut dynamic_offset_count = 0;
let mut string_offset = 0;
let mut active_query = None;
for command in base.commands {
match *command {
@ -525,6 +541,62 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
string_offset += len;
unsafe { raw.insert_debug_marker(label, color) }
}
ComputeCommand::WriteTimestamp {
query_set_id,
query_index,
} => {
let scope = PassErrorScope::WriteTimestamp;
let query_set = cmd_buf
.trackers
.query_sets
.use_extend(&*query_set_guard, query_set_id, (), ())
.map_err(|e| match e {
UseExtendError::InvalidResource => {
ComputePassErrorInner::InvalidQuerySet(query_set_id)
}
_ => unreachable!(),
})
.map_pass_err(scope)?;
query_set
.validate_and_write_timestamp(raw, query_set_id, query_index, None)
.map_pass_err(scope)?;
}
ComputeCommand::BeginPipelineStatisticsQuery {
query_set_id,
query_index,
} => {
let scope = PassErrorScope::BeginPipelineStatisticsQuery;
let query_set = cmd_buf
.trackers
.query_sets
.use_extend(&*query_set_guard, query_set_id, (), ())
.map_err(|e| match e {
UseExtendError::InvalidResource => {
ComputePassErrorInner::InvalidQuerySet(query_set_id)
}
_ => unreachable!(),
})
.map_pass_err(scope)?;
query_set
.validate_and_begin_pipeline_statistics_query(
raw,
query_set_id,
query_index,
None,
&mut active_query,
)
.map_pass_err(scope)?;
}
ComputeCommand::EndPipelineStatisticsQuery => {
let scope = PassErrorScope::EndPipelineStatisticsQuery;
end_pipeline_statistics_query(raw, &*query_set_guard, &mut active_query)
.map_pass_err(scope)?;
}
}
}
@ -680,4 +752,49 @@ pub mod compute_ffi {
len: bytes.len(),
});
}
#[no_mangle]
pub unsafe extern "C" fn wgpu_compute_pass_write_timestamp(
pass: &mut ComputePass,
query_set_id: id::QuerySetId,
query_index: u32,
) {
span!(_guard, DEBUG, "ComputePass::write_timestamp");
pass.base.commands.push(ComputeCommand::WriteTimestamp {
query_set_id,
query_index,
});
}
#[no_mangle]
pub unsafe extern "C" fn wgpu_compute_pass_begin_pipeline_statistics_query(
pass: &mut ComputePass,
query_set_id: id::QuerySetId,
query_index: u32,
) {
span!(
_guard,
DEBUG,
"ComputePass::begin_pipeline_statistics query"
);
pass.base
.commands
.push(ComputeCommand::BeginPipelineStatisticsQuery {
query_set_id,
query_index,
});
}
#[no_mangle]
pub unsafe extern "C" fn wgpu_compute_pass_end_pipeline_statistics_query(
pass: &mut ComputePass,
) {
span!(_guard, DEBUG, "ComputePass::end_pipeline_statistics_query");
pass.base
.commands
.push(ComputeCommand::EndPipelineStatisticsQuery);
}
}

11
wgpu-core/src/command/draw.rs
View File

@ -75,6 +75,8 @@ pub enum RenderCommandError {
InvalidDynamicOffsetCount { actual: usize, expected: usize },
#[error("render pipeline {0:?} is invalid")]
InvalidPipeline(id::RenderPipelineId),
#[error("QuerySet {0:?} is invalid")]
InvalidQuerySet(id::QuerySetId),
#[error("Render pipeline is incompatible with render pass")]
IncompatiblePipeline(#[from] crate::device::RenderPassCompatibilityError),
#[error("pipeline is not compatible with the depth-stencil read-only render pass")]
@ -195,5 +197,14 @@ pub enum RenderCommand {
color: u32,
len: usize,
},
WriteTimestamp {
query_set_id: id::QuerySetId,
query_index: u32,
},
BeginPipelineStatisticsQuery {
query_set_id: id::QuerySetId,
query_index: u32,
},
EndPipelineStatisticsQuery,
ExecuteBundle(id::RenderBundleId),
}

10
wgpu-core/src/command/mod.rs
View File

@ -7,6 +7,7 @@ mod bind;
mod bundle;
mod compute;
mod draw;
mod query;
mod render;
mod transfer;
@ -15,6 +16,7 @@ pub use self::allocator::CommandAllocatorError;
pub use self::bundle::*;
pub use self::compute::*;
pub use self::draw::*;
pub use self::query::*;
pub use self::render::*;
pub use self::transfer::*;
@ -367,6 +369,14 @@ pub enum PassErrorScope {
indirect: bool,
pipeline: Option<id::RenderPipelineId>,
},
#[error("While resetting queries after the renderpass was ran")]
QueryReset,
#[error("In a write_timestamp command")]
WriteTimestamp,
#[error("In a begin_pipeline_statistics_query command")]
BeginPipelineStatisticsQuery,
#[error("In a end_pipeline_statistics_query command")]
EndPipelineStatisticsQuery,
#[error("In a execute_bundle command")]
ExecuteBundle,
#[error("In a dispatch command, indirect:{indirect}")]

424
wgpu-core/src/command/query.rs Normal file
View File

@ -0,0 +1,424 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
use hal::command::CommandBuffer as _;
#[cfg(feature = "trace")]
use crate::device::trace::Command as TraceCommand;
use crate::{
command::{CommandBuffer, CommandEncoderError},
device::all_buffer_stages,
hub::{GfxBackend, Global, GlobalIdentityHandlerFactory, Storage, Token},
id::{self, Id, TypedId},
resource::{BufferUse, QuerySet},
track::UseExtendError,
Epoch, FastHashMap, Index,
};
use std::{iter, marker::PhantomData};
use thiserror::Error;
use wgt::BufferAddress;
#[derive(Debug)]
pub(super) struct QueryResetMap<B: hal::Backend> {
map: FastHashMap<Index, (Vec<bool>, Epoch)>,
_phantom: PhantomData<B>,
}
impl<B: hal::Backend> QueryResetMap<B> {
pub fn new() -> Self {
Self {
map: FastHashMap::default(),
_phantom: PhantomData,
}
}
pub fn use_query_set(
&mut self,
id: id::QuerySetId,
query_set: &QuerySet<B>,
query: u32,
) -> bool {
let (index, epoch, _) = id.unzip();
let (vec, _) = self
.map
.entry(index)
.or_insert_with(|| (vec![false; query_set.desc.count as usize], epoch));
std::mem::replace(&mut vec[query as usize], true)
}
pub fn reset_queries(
self,
cmd_buf_raw: &mut B::CommandBuffer,
query_set_storage: &Storage<QuerySet<B>, id::QuerySetId>,
backend: wgt::Backend,
) -> Result<(), id::QuerySetId> {
for (query_set_id, (state, epoch)) in self.map.into_iter() {
let id = Id::zip(query_set_id, epoch, backend);
let query_set = query_set_storage.get(id).map_err(|_| id)?;
debug_assert_eq!(state.len(), query_set.desc.count as usize);
// Need to find all "runs" of values which need resets. If the state vector is:
// [false, true, true, false, true], we want to reset [1..3, 4..5]. This minimizes
// the amount of resets needed.
let mut state_iter = state.into_iter().chain(iter::once(false)).enumerate();
let mut run_start: Option<u32> = None;
while let Some((idx, value)) = state_iter.next() {
match (run_start, value) {
// We're inside of a run, do nothing
(Some(..), true) => {}
// We've hit the end of a run, dispatch a reset
(Some(start), false) => {
run_start = None;
unsafe { cmd_buf_raw.reset_query_pool(&query_set.raw, start..idx as u32) };
}
// We're starting a run
(None, true) => {
run_start = Some(idx as u32);
}
// We're in a run of falses, do nothing.
(None, false) => {}
}
}
}
Ok(())
}
}
#[derive(Debug, Copy, Clone, PartialEq, Eq)]
pub enum SimplifiedQueryType {
Timestamp,
PipelineStatistics,
}
impl From<wgt::QueryType> for SimplifiedQueryType {
fn from(q: wgt::QueryType) -> Self {
match q {
wgt::QueryType::Timestamp => SimplifiedQueryType::Timestamp,
wgt::QueryType::PipelineStatistics(..) => SimplifiedQueryType::PipelineStatistics,
}
}
}
/// Error encountered when dealing with queries
#[derive(Clone, Debug, Error)]
pub enum QueryError {
#[error(transparent)]
Encoder(#[from] CommandEncoderError),
#[error("Error encountered while trying to use queries")]
Use(#[from] QueryUseError),
#[error("Error encountered while trying to resolve a query")]
Resolve(#[from] ResolveError),
#[error("Buffer {0:?} is invalid or destroyed")]
InvalidBuffer(id::BufferId),
#[error("QuerySet {0:?} is invalid or destroyed")]
InvalidQuerySet(id::QuerySetId),
}
/// Error encountered while trying to use queries
#[derive(Clone, Debug, Error)]
pub enum QueryUseError {
#[error("Query {query_index} is out of bounds for a query set of size {query_set_size}")]
OutOfBounds {
query_index: u32,
query_set_size: u32,
},
#[error("Query {query_index} has already been used within the same renderpass. Queries must only be used once per renderpass")]
UsedTwiceInsideRenderpass { query_index: u32 },
#[error("Query {new_query_index} was started while query {active_query_index} was already active. No more than one statistic or occlusion query may be active at once")]
AlreadyStarted {
active_query_index: u32,
new_query_index: u32,
},
#[error("Query was stopped while there was no active query")]
AlreadyStopped,
#[error("A query of type {query_type:?} was started using a query set of type {set_type:?}")]
IncompatibleType {
set_type: SimplifiedQueryType,
query_type: SimplifiedQueryType,
},
}
/// Error encountered while trying to resolve a query.
#[derive(Clone, Debug, Error)]
pub enum ResolveError {
#[error("Queries can only be resolved to buffers that contain the COPY_DST usage")]
MissingBufferUsage,
#[error("Resolving queries {start_query}..{end_query} would overrun the query set of size {query_set_size}")]
QueryOverrun {
start_query: u32,
end_query: u32,
query_set_size: u32,
},
#[error("Resolving queries {start_query}..{end_query} ({stride} byte queries) will end up overruning the bounds of the destination buffer of size {buffer_size} using offsets {buffer_start_offset}..{buffer_end_offset}")]
BufferOverrun {
start_query: u32,
end_query: u32,
stride: u32,
buffer_size: BufferAddress,
buffer_start_offset: BufferAddress,
buffer_end_offset: BufferAddress,
},
}
impl<B: GfxBackend> QuerySet<B> {
fn validate_query(
&self,
query_set_id: id::QuerySetId,
query_type: SimplifiedQueryType,
query_index: u32,
reset_state: Option<&mut QueryResetMap<B>>,
) -> Result<hal::query::Query<'_, B>, QueryUseError> {
// We need to defer our resets because we are in a renderpass, add the usage to the reset map.
if let Some(reset) = reset_state {
let used = reset.use_query_set(query_set_id, self, query_index);
if used {
return Err(QueryUseError::UsedTwiceInsideRenderpass { query_index }.into());
}
}
let simple_set_type = SimplifiedQueryType::from(self.desc.ty);
if simple_set_type != query_type {
return Err(QueryUseError::IncompatibleType {
query_type,
set_type: simple_set_type,
}
.into());
}
if query_index >= self.desc.count {
return Err(QueryUseError::OutOfBounds {
query_index,
query_set_size: self.desc.count,
}
.into());
}
let hal_query = hal::query::Query::<B> {
pool: &self.raw,
id: query_index,
};
Ok(hal_query)
}
pub(super) fn validate_and_write_timestamp(
&self,
cmd_buf_raw: &mut B::CommandBuffer,
query_set_id: id::QuerySetId,
query_index: u32,
reset_state: Option<&mut QueryResetMap<B>>,
) -> Result<(), QueryUseError> {
let needs_reset = reset_state.is_none();
let hal_query = self.validate_query(
query_set_id,
SimplifiedQueryType::Timestamp,
query_index,
reset_state,
)?;
unsafe {
// If we don't have a reset state tracker which can defer resets, we must reset now.
if needs_reset {
cmd_buf_raw.reset_query_pool(&self.raw, query_index..(query_index + 1));
}
cmd_buf_raw.write_timestamp(hal::pso::PipelineStage::BOTTOM_OF_PIPE, hal_query);
}
Ok(())
}
pub(super) fn validate_and_begin_pipeline_statistics_query(
&self,
cmd_buf_raw: &mut B::CommandBuffer,
query_set_id: id::QuerySetId,
query_index: u32,
reset_state: Option<&mut QueryResetMap<B>>,
active_query: &mut Option<(id::QuerySetId, u32)>,
) -> Result<(), QueryUseError> {
let needs_reset = reset_state.is_none();
let hal_query = self.validate_query(
query_set_id,
SimplifiedQueryType::PipelineStatistics,
query_index,
reset_state,
)?;
if let Some((_old_id, old_idx)) = active_query.replace((query_set_id, query_index)) {
return Err(QueryUseError::AlreadyStarted {
active_query_index: old_idx,
new_query_index: query_index,
}
.into());
}
unsafe {
// If we don't have a reset state tracker which can defer resets, we must reset now.
if needs_reset {
cmd_buf_raw.reset_query_pool(&self.raw, query_index..(query_index + 1));
}
cmd_buf_raw.begin_query(hal_query, hal::query::ControlFlags::empty());
}
Ok(())
}
}
pub(super) fn end_pipeline_statistics_query<B: GfxBackend>(
cmd_buf_raw: &mut B::CommandBuffer,
storage: &Storage<QuerySet<B>, id::QuerySetId>,
active_query: &mut Option<(id::QuerySetId, u32)>,
) -> Result<(), QueryUseError> {
if let Some((query_set_id, query_index)) = active_query.take() {
// We can unwrap here as the validity was validated when the active query was set
let query_set = storage.get(query_set_id).unwrap();
let hal_query = hal::query::Query::<B> {
pool: &query_set.raw,
id: query_index,
};
unsafe { cmd_buf_raw.end_query(hal_query) }
Ok(())
} else {
Err(QueryUseError::AlreadyStopped)
}
}
impl<G: GlobalIdentityHandlerFactory> Global<G> {
pub fn command_encoder_write_timestamp<B: GfxBackend>(
&self,
command_encoder_id: id::CommandEncoderId,
query_set_id: id::QuerySetId,
query_index: u32,
) -> Result<(), QueryError> {
let hub = B::hub(self);
let mut token = Token::root();
let (mut cmd_buf_guard, mut token) = hub.command_buffers.write(&mut token);
let (query_set_guard, _) = hub.query_sets.read(&mut token);
let cmd_buf = CommandBuffer::get_encoder_mut(&mut cmd_buf_guard, command_encoder_id)?;
let cmd_buf_raw = cmd_buf.raw.last_mut().unwrap();
#[cfg(feature = "trace")]
if let Some(ref mut list) = cmd_buf.commands {
list.push(TraceCommand::WriteTimestamp {
query_set_id,
query_index,
});
}
let query_set = cmd_buf
.trackers
.query_sets
.use_extend(&*query_set_guard, query_set_id, (), ())
.map_err(|e| match e {
UseExtendError::InvalidResource => QueryError::InvalidQuerySet(query_set_id),
_ => unreachable!(),
})?;
query_set.validate_and_write_timestamp(cmd_buf_raw, query_set_id, query_index, None)?;
Ok(())
}
pub fn command_encoder_resolve_query_set<B: GfxBackend>(
&self,
command_encoder_id: id::CommandEncoderId,
query_set_id: id::QuerySetId,
start_query: u32,
query_count: u32,
destination: id::BufferId,
destination_offset: BufferAddress,
) -> Result<(), QueryError> {
let hub = B::hub(self);
let mut token = Token::root();
let (mut cmd_buf_guard, mut token) = hub.command_buffers.write(&mut token);
let (query_set_guard, mut token) = hub.query_sets.read(&mut token);
let (buffer_guard, _) = hub.buffers.read(&mut token);
let cmd_buf = CommandBuffer::get_encoder_mut(&mut cmd_buf_guard, command_encoder_id)?;
let cmd_buf_raw = cmd_buf.raw.last_mut().unwrap();
#[cfg(feature = "trace")]
if let Some(ref mut list) = cmd_buf.commands {
list.push(TraceCommand::ResolveQuerySet {
query_set_id,
start_query,
query_count,
destination,
destination_offset,
});
}
let query_set = cmd_buf
.trackers
.query_sets
.use_extend(&*query_set_guard, query_set_id, (), ())
.map_err(|e| match e {
UseExtendError::InvalidResource => QueryError::InvalidQuerySet(query_set_id),
_ => unreachable!(),
})?;
let (dst_buffer, dst_pending) = cmd_buf
.trackers
.buffers
.use_replace(&*buffer_guard, destination, (), BufferUse::COPY_DST)
.map_err(QueryError::InvalidBuffer)?;
let dst_barrier = dst_pending.map(|pending| pending.into_hal(dst_buffer));
if !dst_buffer.usage.contains(wgt::BufferUsage::COPY_DST) {
return Err(ResolveError::MissingBufferUsage.into());
}
let end_query = start_query + query_count;
if end_query > query_set.desc.count {
return Err(ResolveError::QueryOverrun {
start_query,
end_query,
query_set_size: query_set.desc.count,
}
.into());
}
let stride = query_set.elements * wgt::QUERY_SIZE;
let bytes_used = (stride * query_count) as BufferAddress;
let buffer_start_offset = destination_offset;
let buffer_end_offset = buffer_start_offset + bytes_used;
if buffer_end_offset > dst_buffer.size {
return Err(ResolveError::BufferOverrun {
start_query,
end_query,
stride,
buffer_size: dst_buffer.size,
buffer_start_offset,
buffer_end_offset,
}
.into());
}
unsafe {
cmd_buf_raw.pipeline_barrier(
all_buffer_stages()..hal::pso::PipelineStage::TRANSFER,
hal::memory::Dependencies::empty(),
dst_barrier,
);
cmd_buf_raw.copy_query_pool_results(
&query_set.raw,
start_query..end_query,
&dst_buffer.raw.as_ref().unwrap().0,
destination_offset,
stride,
hal::query::ResultFlags::WAIT | hal::query::ResultFlags::BITS_64,
);
}
Ok(())
}
}

135
wgpu-core/src/command/render.rs
View File

@ -6,8 +6,9 @@ use crate::{
binding_model::BindError,
command::{
bind::{Binder, LayoutChange},
BasePass, BasePassRef, CommandBuffer, CommandEncoderError, DrawError, ExecutionError,
MapPassErr, PassErrorScope, RenderCommand, RenderCommandError, StateChange,
end_pipeline_statistics_query, BasePass, BasePassRef, CommandBuffer, CommandEncoderError,
DrawError, ExecutionError, MapPassErr, PassErrorScope, QueryResetMap, QueryUseError,
RenderCommand, RenderCommandError, StateChange,
},
conv,
device::{
@ -38,6 +39,7 @@ use serde::Deserialize;
#[cfg(any(feature = "serial-pass", feature = "trace"))]
use serde::Serialize;
use crate::track::UseExtendError;
use std::{
borrow::{Borrow, Cow},
collections::hash_map::Entry,
@ -441,6 +443,8 @@ pub enum RenderPassErrorInner {
Draw(#[from] DrawError),
#[error(transparent)]
Bind(#[from] BindError),
#[error(transparent)]
QueryUse(#[from] QueryUseError),
}
impl From<MissingBufferUsageError> for RenderPassErrorInner {
@ -1019,7 +1023,7 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
let (device_guard, mut token) = hub.devices.read(&mut token);
let (cmd_buf_raw, trackers, used_swapchain) = {
let (cmd_buf_raw, trackers, used_swapchain, query_reset_state) = {
// read-only lock guard
let (cmb_guard, mut token) = hub.command_buffers.read(&mut token);
@ -1039,6 +1043,7 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
let (pipeline_layout_guard, mut token) = hub.pipeline_layouts.read(&mut token);
let (bind_group_guard, mut token) = hub.bind_groups.read(&mut token);
let (pipeline_guard, mut token) = hub.render_pipelines.read(&mut token);
let (query_set_guard, mut token) = hub.query_sets.read(&mut token);
let (buffer_guard, mut token) = hub.buffers.read(&mut token);
let (texture_guard, mut token) = hub.textures.read(&mut token);
let (view_guard, _) = hub.texture_views.read(&mut token);
@ -1071,6 +1076,8 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
let mut temp_offsets = Vec::new();
let mut dynamic_offset_count = 0;
let mut string_offset = 0;
let mut active_query = None;
let mut query_reset_state = QueryResetMap::new();
for command in base.commands {
match *command {
@ -1734,6 +1741,71 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
raw.insert_debug_marker(label, color);
}
}
RenderCommand::WriteTimestamp {
query_set_id,
query_index,
} => {
let scope = PassErrorScope::WriteTimestamp;
let query_set = info
.trackers
.query_sets
.use_extend(&*query_set_guard, query_set_id, (), ())
.map_err(|e| match e {
UseExtendError::InvalidResource => {
RenderCommandError::InvalidQuerySet(query_set_id)
}
_ => unreachable!(),
})
.map_pass_err(scope)?;
query_set
.validate_and_write_timestamp(
&mut raw,
query_set_id,
query_index,
Some(&mut query_reset_state),
)
.map_pass_err(scope)?;
}
RenderCommand::BeginPipelineStatisticsQuery {
query_set_id,
query_index,
} => {
let scope = PassErrorScope::BeginPipelineStatisticsQuery;
let query_set = info
.trackers
.query_sets
.use_extend(&*query_set_guard, query_set_id, (), ())
.map_err(|e| match e {
UseExtendError::InvalidResource => {
RenderCommandError::InvalidQuerySet(query_set_id)
}
_ => unreachable!(),
})
.map_pass_err(scope)?;
query_set
.validate_and_begin_pipeline_statistics_query(
&mut raw,
query_set_id,
query_index,
Some(&mut query_reset_state),
&mut active_query,
)
.map_pass_err(scope)?;
}
RenderCommand::EndPipelineStatisticsQuery => {
let scope = PassErrorScope::EndPipelineStatisticsQuery;
end_pipeline_statistics_query(
&mut raw,
&*query_set_guard,
&mut active_query,
)
.map_pass_err(scope)?;
}
RenderCommand::ExecuteBundle(bundle_id) => {
let scope = PassErrorScope::ExecuteBundle;
let bundle = info
@ -1778,10 +1850,11 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
}
let (trackers, used_swapchain) = info.finish(&*texture_guard).map_pass_err(scope)?;
(raw, trackers, used_swapchain)
(raw, trackers, used_swapchain, query_reset_state)
};
let (mut cmb_guard, mut token) = hub.command_buffers.write(&mut token);
let (query_set_guard, mut token) = hub.query_sets.read(&mut token);
let (buffer_guard, mut token) = hub.buffers.read(&mut token);
let (texture_guard, _) = hub.textures.read(&mut token);
let cmd_buf =
@ -1798,15 +1871,26 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
});
}
let last_cmd_buf = cmd_buf.raw.last_mut().unwrap();
query_reset_state
.reset_queries(
last_cmd_buf,
&query_set_guard,
cmd_buf.device_id.value.0.backend(),
)
.map_err(RenderCommandError::InvalidQuerySet)
.map_pass_err(PassErrorScope::QueryReset)?;
super::CommandBuffer::insert_barriers(
cmd_buf.raw.last_mut().unwrap(),
last_cmd_buf,
&mut cmd_buf.trackers,
&trackers,
&*buffer_guard,
&*texture_guard,
);
unsafe {
cmd_buf.raw.last_mut().unwrap().finish();
last_cmd_buf.finish();
}
cmd_buf.raw.push(cmd_buf_raw);
@ -2148,6 +2232,45 @@ pub mod render_ffi {
});
}
#[no_mangle]
pub unsafe extern "C" fn wgpu_render_pass_write_timestamp(
pass: &mut RenderPass,
query_set_id: id::QuerySetId,
query_index: u32,
) {
span!(_guard, DEBUG, "RenderPass::write_timestamp");
pass.base.commands.push(RenderCommand::WriteTimestamp {
query_set_id,
query_index,
});
}
#[no_mangle]
pub unsafe extern "C" fn wgpu_render_pass_begin_pipeline_statistics_query(
pass: &mut RenderPass,
query_set_id: id::QuerySetId,
query_index: u32,
) {
span!(_guard, DEBUG, "RenderPass::begin_pipeline_statistics query");
pass.base
.commands
.push(RenderCommand::BeginPipelineStatisticsQuery {
query_set_id,
query_index,
});
}
#[no_mangle]
pub unsafe extern "C" fn wgpu_render_pass_end_pipeline_statistics_query(pass: &mut RenderPass) {
span!(_guard, DEBUG, "RenderPass::end_pipeline_statistics_query");
pass.base
.commands
.push(RenderCommand::EndPipelineStatisticsQuery);
}
#[no_mangle]
pub unsafe fn wgpu_render_pass_execute_bundles(
pass: &mut RenderPass,

37
wgpu-core/src/conv.rs
View File

@ -677,6 +677,43 @@ pub(crate) fn map_texture_state(
(access, layout)
}
pub fn map_query_type(ty: &wgt::QueryType) -> (hal::query::Type, u32) {
match ty {
wgt::QueryType::PipelineStatistics(pipeline_statistics) => {
let mut ps = hal::query::PipelineStatistic::empty();
ps.set(
hal::query::PipelineStatistic::VERTEX_SHADER_INVOCATIONS,
pipeline_statistics
.contains(wgt::PipelineStatisticsTypes::VERTEX_SHADER_INVOCATIONS),
);
ps.set(
hal::query::PipelineStatistic::CLIPPING_INVOCATIONS,
pipeline_statistics.contains(wgt::PipelineStatisticsTypes::CLIPPER_INVOCATIONS),
);
ps.set(
hal::query::PipelineStatistic::CLIPPING_PRIMITIVES,
pipeline_statistics.contains(wgt::PipelineStatisticsTypes::CLIPPER_PRIMITIVES_OUT),
);
ps.set(
hal::query::PipelineStatistic::FRAGMENT_SHADER_INVOCATIONS,
pipeline_statistics
.contains(wgt::PipelineStatisticsTypes::FRAGMENT_SHADER_INVOCATIONS),
);
ps.set(
hal::query::PipelineStatistic::COMPUTE_SHADER_INVOCATIONS,
pipeline_statistics
.contains(wgt::PipelineStatisticsTypes::COMPUTE_SHADER_INVOCATIONS),
);
(
hal::query::Type::PipelineStatistics(ps),
pipeline_statistics.bits().count_ones(),
)
}
wgt::QueryType::Timestamp => (hal::query::Type::Timestamp, 1),
}
}
pub fn map_load_store_ops<V>(channel: &PassChannel<V>) -> hal::pass::AttachmentOps {
hal::pass::AttachmentOps {
load: match channel.load_op {

31
wgpu-core/src/device/life.rs
View File

@ -39,6 +39,7 @@ pub struct SuspectedResources {
pub(crate) bind_group_layouts: Vec<id::Valid<id::BindGroupLayoutId>>,
pub(crate) pipeline_layouts: Vec<Stored<id::PipelineLayoutId>>,
pub(crate) render_bundles: Vec<id::Valid<id::RenderBundleId>>,
pub(crate) query_sets: Vec<id::Valid<id::QuerySetId>>,
}
impl SuspectedResources {
@ -53,6 +54,7 @@ impl SuspectedResources {
self.bind_group_layouts.clear();
self.pipeline_layouts.clear();
self.render_bundles.clear();
self.query_sets.clear();
}
pub(crate) fn extend(&mut self, other: &Self) {
@ -70,6 +72,7 @@ impl SuspectedResources {
self.pipeline_layouts
.extend_from_slice(&other.pipeline_layouts);
self.render_bundles.extend_from_slice(&other.render_bundles);
self.query_sets.extend_from_slice(&other.query_sets);
}
pub(crate) fn add_trackers(&mut self, trackers: &TrackerSet) {
@ -81,6 +84,7 @@ impl SuspectedResources {
self.compute_pipelines.extend(trackers.compute_pipes.used());
self.render_pipelines.extend(trackers.render_pipes.used());
self.render_bundles.extend(trackers.bundles.used());
self.query_sets.extend(trackers.query_sets.used());
}
}
@ -99,6 +103,7 @@ struct NonReferencedResources<B: hal::Backend> {
graphics_pipes: Vec<B::GraphicsPipeline>,
descriptor_set_layouts: Vec<B::DescriptorSetLayout>,
pipeline_layouts: Vec<B::PipelineLayout>,
query_sets: Vec<B::QueryPool>,
}
impl<B: hal::Backend> NonReferencedResources<B> {
@ -114,6 +119,7 @@ impl<B: hal::Backend> NonReferencedResources<B> {
graphics_pipes: Vec::new(),
descriptor_set_layouts: Vec::new(),
pipeline_layouts: Vec::new(),
query_sets: Vec::new(),
}
}
@ -126,6 +132,7 @@ impl<B: hal::Backend> NonReferencedResources<B> {
self.desc_sets.extend(other.desc_sets);
self.compute_pipes.extend(other.compute_pipes);
self.graphics_pipes.extend(other.graphics_pipes);
self.query_sets.extend(other.query_sets);
assert!(other.descriptor_set_layouts.is_empty());
assert!(other.pipeline_layouts.is_empty());
}
@ -178,6 +185,9 @@ impl<B: hal::Backend> NonReferencedResources<B> {
for raw in self.pipeline_layouts.drain(..) {
device.destroy_pipeline_layout(raw);
}
for raw in self.query_sets.drain(..) {
device.destroy_query_pool(raw);
}
}
}
@ -604,6 +614,27 @@ impl<B: GfxBackend> LifetimeTracker<B> {
}
}
}
if !self.suspected_resources.query_sets.is_empty() {
let (mut guard, _) = hub.query_sets.write(token);
let mut trackers = trackers.lock();
for id in self.suspected_resources.query_sets.drain(..) {
if trackers.query_sets.remove_abandoned(id) {
// #[cfg(feature = "trace")]
// trace.map(|t| t.lock().add(trace::Action::DestroyComputePipeline(id.0)));
if let Some(res) = hub.query_sets.unregister_locked(id.0, &mut *guard) {
let submit_index = res.life_guard.submission_index.load(Ordering::Acquire);
self.active
.iter_mut()
.find(|a| a.index == submit_index)
.map_or(&mut self.free_resources, |a| &mut a.last_resources)
.query_sets
.push(res.raw);
}
}
}
}
}
pub(crate) fn triage_mapped<G: GlobalIdentityHandlerFactory>(

132
wgpu-core/src/device/mod.rs
View File

@ -401,6 +401,7 @@ impl<B: GfxBackend> Device<B> {
let (bind_group_guard, mut token) = hub.bind_groups.read(&mut token);
let (compute_pipe_guard, mut token) = hub.compute_pipelines.read(&mut token);
let (render_pipe_guard, mut token) = hub.render_pipelines.read(&mut token);
let (query_set_guard, mut token) = hub.query_sets.read(&mut token);
let (buffer_guard, mut token) = hub.buffers.read(&mut token);
let (texture_guard, mut token) = hub.textures.read(&mut token);
let (texture_view_guard, mut token) = hub.texture_views.read(&mut token);
@ -441,6 +442,11 @@ impl<B: GfxBackend> Device<B> {
self.temp_suspected.render_pipelines.push(id);
}
}
for id in trackers.query_sets.used() {
if query_set_guard[id].life_guard.ref_count.is_none() {
self.temp_suspected.query_sets.push(id);
}
}
}
self.lock_life(&mut token)
@ -3673,6 +3679,132 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
.push(id::Valid(render_bundle_id));
}
pub fn device_create_query_set<B: GfxBackend>(
&self,
device_id: id::DeviceId,
desc: &wgt::QuerySetDescriptor,
id_in: Input<G, id::QuerySetId>,
) -> (id::QuerySetId, Option<resource::CreateQuerySetError>) {
span!(_guard, INFO, "Device::create_query_set");
let hub = B::hub(self);
let mut token = Token::root();
let (device_guard, mut token) = hub.devices.read(&mut token);
let error = loop {
let device = match device_guard.get(device_id) {
Ok(device) => device,
Err(_) => break DeviceError::Invalid.into(),
};
match desc.ty {
wgt::QueryType::Timestamp => {
if !device.features.contains(wgt::Features::TIMESTAMP_QUERY) {
break resource::CreateQuerySetError::MissingFeature(
wgt::Features::TIMESTAMP_QUERY,
);
}
}
wgt::QueryType::PipelineStatistics(..) => {
if !device
.features
.contains(wgt::Features::PIPELINE_STATISTICS_QUERY)
{
break resource::CreateQuerySetError::MissingFeature(
wgt::Features::PIPELINE_STATISTICS_QUERY,
);
}
}
}
if desc.count == 0 {
break resource::CreateQuerySetError::ZeroCount;
}
if desc.count >= wgt::QUERY_SET_MAX_QUERIES {
break resource::CreateQuerySetError::TooManyQueries {
count: desc.count,
maximum: wgt::QUERY_SET_MAX_QUERIES,
};
}
let query_set = {
let (hal_type, elements) = conv::map_query_type(&desc.ty);
resource::QuerySet {
raw: unsafe { device.raw.create_query_pool(hal_type, desc.count).unwrap() },
device_id: Stored {
value: id::Valid(device_id),
ref_count: device.life_guard.add_ref(),
},
life_guard: LifeGuard::new(""),
desc: desc.clone(),
elements,
}
};
let ref_count = query_set.life_guard.add_ref();
let id = hub
.query_sets
.register_identity(id_in, query_set, &mut token);
#[cfg(feature = "trace")]
match device.trace {
Some(ref trace) => trace.lock().add(trace::Action::CreateQuerySet {
id: id.0,
desc: desc.clone(),
}),
None => (),
};
device
.trackers
.lock()
.query_sets
.init(id, ref_count, PhantomData)
.unwrap();
return (id.0, None);
};
let id = B::hub(self)
.query_sets
.register_error(id_in, "", &mut token);
(id, Some(error))
}
pub fn query_set_drop<B: GfxBackend>(&self, query_set_id: id::QuerySetId) {
span!(_guard, INFO, "QuerySet::drop");
let hub = B::hub(self);
let mut token = Token::root();
let device_id = {
let (mut query_set_guard, _) = hub.query_sets.write(&mut token);
let query_set = query_set_guard.get_mut(query_set_id).unwrap();
query_set.life_guard.ref_count.take();
query_set.device_id.value
};
let (device_guard, mut token) = hub.devices.read(&mut token);
let device = &device_guard[device_id];
#[cfg(feature = "trace")]
match device.trace {
Some(ref trace) => trace
.lock()
.add(trace::Action::DestroyQuerySet(query_set_id)),
None => (),
};
device
.lock_life(&mut token)
.suspected_resources
.query_sets
.push(id::Valid(query_set_id));
}
pub fn device_create_render_pipeline<B: GfxBackend>(
&self,
device_id: id::DeviceId,

16
wgpu-core/src/device/trace.rs
View File

@ -91,6 +91,11 @@ pub enum Action<'a> {
base: crate::command::BasePass<crate::command::RenderCommand>,
},
DestroyRenderBundle(id::RenderBundleId),
CreateQuerySet {
id: id::QuerySetId,
desc: wgt::QuerySetDescriptor,
},
DestroyQuerySet(id::QuerySetId),
WriteBuffer {
id: id::BufferId,
data: FileName,
@ -132,6 +137,17 @@ pub enum Command {
dst: crate::command::TextureCopyView,
size: wgt::Extent3d,
},
WriteTimestamp {
query_set_id: id::QuerySetId,
query_index: u32,
},
ResolveQuerySet {
query_set_id: id::QuerySetId,
start_query: u32,
query_count: u32,
destination: id::BufferId,
destination_offset: wgt::BufferAddress,
},
RunComputePass {
base: crate::command::BasePass<crate::command::ComputeCommand>,
},

20
wgpu-core/src/hub.rs
View File

@ -23,6 +23,8 @@ use crate::{
use parking_lot::{Mutex, RwLock, RwLockReadGuard, RwLockWriteGuard};
use wgt::Backend;
use crate::id::QuerySetId;
use crate::resource::QuerySet;
#[cfg(debug_assertions)]
use std::cell::Cell;
use std::{fmt::Debug, marker::PhantomData, ops, thread};
@ -264,6 +266,11 @@ impl<B: hal::Backend> Access<ComputePipeline<B>> for BindGroup<B> {}
impl<B: hal::Backend> Access<RenderPipeline<B>> for Device<B> {}
impl<B: hal::Backend> Access<RenderPipeline<B>> for BindGroup<B> {}
impl<B: hal::Backend> Access<RenderPipeline<B>> for ComputePipeline<B> {}
impl<B: hal::Backend> Access<QuerySet<B>> for Root {}
impl<B: hal::Backend> Access<QuerySet<B>> for Device<B> {}
impl<B: hal::Backend> Access<QuerySet<B>> for CommandBuffer<B> {}
impl<B: hal::Backend> Access<QuerySet<B>> for RenderPipeline<B> {}
impl<B: hal::Backend> Access<QuerySet<B>> for ComputePipeline<B> {}
impl<B: hal::Backend> Access<ShaderModule<B>> for Device<B> {}
impl<B: hal::Backend> Access<ShaderModule<B>> for BindGroupLayout<B> {}
impl<B: hal::Backend> Access<Buffer<B>> for Root {}
@ -273,6 +280,7 @@ impl<B: hal::Backend> Access<Buffer<B>> for BindGroup<B> {}
impl<B: hal::Backend> Access<Buffer<B>> for CommandBuffer<B> {}
impl<B: hal::Backend> Access<Buffer<B>> for ComputePipeline<B> {}
impl<B: hal::Backend> Access<Buffer<B>> for RenderPipeline<B> {}
impl<B: hal::Backend> Access<Buffer<B>> for QuerySet<B> {}
impl<B: hal::Backend> Access<Texture<B>> for Root {}
impl<B: hal::Backend> Access<Texture<B>> for Device<B> {}
impl<B: hal::Backend> Access<Texture<B>> for Buffer<B> {}
@ -374,6 +382,7 @@ pub trait GlobalIdentityHandlerFactory:
+ IdentityHandlerFactory<RenderBundleId>
+ IdentityHandlerFactory<RenderPipelineId>
+ IdentityHandlerFactory<ComputePipelineId>
+ IdentityHandlerFactory<QuerySetId>
+ IdentityHandlerFactory<BufferId>
+ IdentityHandlerFactory<TextureId>
+ IdentityHandlerFactory<TextureViewId>
@ -547,6 +556,7 @@ pub struct Hub<B: hal::Backend, F: GlobalIdentityHandlerFactory> {
pub render_bundles: Registry<RenderBundle, RenderBundleId, F>,
pub render_pipelines: Registry<RenderPipeline<B>, RenderPipelineId, F>,
pub compute_pipelines: Registry<ComputePipeline<B>, ComputePipelineId, F>,
pub query_sets: Registry<QuerySet<B>, QuerySetId, F>,
pub buffers: Registry<Buffer<B>, BufferId, F>,
pub textures: Registry<Texture<B>, TextureId, F>,
pub texture_views: Registry<TextureView<B>, TextureViewId, F>,
@ -567,6 +577,7 @@ impl<B: GfxBackend, F: GlobalIdentityHandlerFactory> Hub<B, F> {
render_bundles: Registry::new(B::VARIANT, factory),
render_pipelines: Registry::new(B::VARIANT, factory),
compute_pipelines: Registry::new(B::VARIANT, factory),
query_sets: Registry::new(B::VARIANT, factory),
buffers: Registry::new(B::VARIANT, factory),
textures: Registry::new(B::VARIANT, factory),
texture_views: Registry::new(B::VARIANT, factory),
@ -698,6 +709,15 @@ impl<B: GfxBackend, F: GlobalIdentityHandlerFactory> Hub<B, F> {
}
}
for element in self.query_sets.data.write().map.drain(..) {
if let Element::Occupied(query_set, _) = element {
let device = &devices[query_set.device_id.value];
unsafe {
device.raw.destroy_query_pool(query_set.raw);
}
}
}
for element in devices.map.drain(..) {
if let Element::Occupied(device, _) = element {
device.dispose();

1
wgpu-core/src/id.rs
View File

@ -164,6 +164,7 @@ pub type RenderPassEncoderId = *mut crate::command::RenderPass;
pub type ComputePassEncoderId = *mut crate::command::ComputePass;
pub type RenderBundleEncoderId = *mut crate::command::RenderBundleEncoder;
pub type RenderBundleId = Id<crate::command::RenderBundle>;
pub type QuerySetId = Id<crate::resource::QuerySet<Dummy>>;
// Swap chain
pub type SwapChainId = Id<crate::swap_chain::SwapChain<Dummy>>;

36
wgpu-core/src/instance.rs
View File

@ -120,7 +120,7 @@ impl crate::hub::Resource for Surface {
pub struct Adapter<B: hal::Backend> {
pub(crate) raw: hal::adapter::Adapter<B>,
features: wgt::Features,
private_features: PrivateFeatures,
pub(crate) private_features: PrivateFeatures,
limits: wgt::Limits,
life_guard: LifeGuard,
}
@ -130,6 +130,7 @@ impl<B: GfxBackend> Adapter<B> {
span!(_guard, INFO, "Adapter::new");
let adapter_features = raw.physical_device.features();
let adapter_limits = raw.physical_device.limits();
let mut features = wgt::Features::default()
| wgt::Features::MAPPABLE_PRIMARY_BUFFERS
@ -179,6 +180,14 @@ impl<B: GfxBackend> Adapter<B> {
wgt::Features::NON_FILL_POLYGON_MODE,
adapter_features.contains(hal::Features::NON_FILL_POLYGON_MODE),
);
features.set(
wgt::Features::TIMESTAMP_QUERY,
adapter_limits.timestamp_compute_and_graphics,
);
features.set(
wgt::Features::PIPELINE_STATISTICS_QUERY,
adapter_features.contains(hal::Features::PIPELINE_STATISTICS_QUERY),
);
#[cfg(not(target_os = "ios"))]
//TODO: https://github.com/gfx-rs/gfx/issues/3346
features.set(wgt::Features::ADDRESS_MODE_CLAMP_TO_BORDER, true);
@ -195,10 +204,9 @@ impl<B: GfxBackend> Adapter<B> {
.format_properties(Some(hal::format::Format::D24UnormS8Uint))
.optimal_tiling
.contains(hal::format::ImageFeature::DEPTH_STENCIL_ATTACHMENT),
timestamp_period: adapter_limits.timestamp_period,
};
let adapter_limits = raw.physical_device.limits();
let default_limits = wgt::Limits::default();
// All these casts to u32 are safe as the underlying vulkan types are u32s.
@ -422,6 +430,11 @@ impl<B: GfxBackend> Adapter<B> {
hal::Features::NON_FILL_POLYGON_MODE,
desc.features.contains(wgt::Features::NON_FILL_POLYGON_MODE),
);
enabled_features.set(
hal::Features::PIPELINE_STATISTICS_QUERY,
desc.features
.contains(wgt::Features::PIPELINE_STATISTICS_QUERY),
);
let family = self
.raw
@ -429,6 +442,7 @@ impl<B: GfxBackend> Adapter<B> {
.iter()
.find(|family| family.queue_type().supports_graphics())
.ok_or(RequestDeviceError::NoGraphicsQueue)?;
let mut gpu =
unsafe { phd.open(&[(family, &[1.0])], enabled_features) }.map_err(|err| {
use hal::device::CreationError::*;
@ -855,6 +869,22 @@ impl<G: GlobalIdentityHandlerFactory> Global<G> {
.map_err(|_| InvalidAdapter)
}
pub fn adapter_get_timestamp_period<B: GfxBackend>(
&self,
adapter_id: AdapterId,
) -> Result<f32, InvalidAdapter> {
span!(_guard, INFO, "Adapter::get_timestamp_period");
let hub = B::hub(self);
let mut token = Token::root();
let (adapter_guard, _) = hub.adapters.read(&mut token);
adapter_guard
.get(adapter_id)
.map(|adapter| adapter.private_features.timestamp_period)
.map_err(|_| InvalidAdapter)
}
pub fn adapter_drop<B: GfxBackend>(&self, adapter_id: AdapterId) {
span!(_guard, INFO, "Adapter::drop");

1
wgpu-core/src/lib.rs
View File

@ -222,6 +222,7 @@ struct PrivateFeatures {
anisotropic_filtering: bool,
texture_d24: bool,
texture_d24_s8: bool,
timestamp_period: f32,
}
#[macro_export]

36
wgpu-core/src/resource.rs
View File

@ -447,6 +447,42 @@ impl<B: hal::Backend> Borrow<()> for Sampler<B> {
&DUMMY_SELECTOR
}
}
#[derive(Clone, Debug, Error)]
pub enum CreateQuerySetError {
#[error(transparent)]
Device(#[from] DeviceError),
#[error("QuerySets cannot be made with zero queries")]
ZeroCount,
#[error("{count} is too many queries for a single QuerySet. QuerySets cannot be made more than {maximum} queries.")]
TooManyQueries { count: u32, maximum: u32 },
#[error("Feature {0:?} must be enabled")]
MissingFeature(wgt::Features),
}
#[derive(Debug)]
pub struct QuerySet<B: hal::Backend> {
pub(crate) raw: B::QueryPool,
pub(crate) device_id: Stored<DeviceId>,
pub(crate) life_guard: LifeGuard,
/// Amount of queries in the query set.
pub(crate) desc: wgt::QuerySetDescriptor,
/// Amount of numbers in each query (i.e. a pipeline statistics query for two attributes will have this number be two)
pub(crate) elements: u32,
}
impl<B: hal::Backend> Resource for QuerySet<B> {
const TYPE: &'static str = "QuerySet";
fn life_guard(&self) -> &LifeGuard {
&self.life_guard
}
}
impl<B: hal::Backend> Borrow<()> for QuerySet<B> {
fn borrow(&self) -> &() {
&DUMMY_SELECTOR
}
}
#[derive(Clone, Debug, Error)]
pub enum DestroyError {

5
wgpu-core/src/track/mod.rs
View File

@ -528,6 +528,7 @@ pub(crate) struct TrackerSet {
pub compute_pipes: ResourceTracker<PhantomData<id::ComputePipelineId>>,
pub render_pipes: ResourceTracker<PhantomData<id::RenderPipelineId>>,
pub bundles: ResourceTracker<PhantomData<id::RenderBundleId>>,
pub query_sets: ResourceTracker<PhantomData<id::QuerySetId>>,
}
impl TrackerSet {
@ -542,6 +543,7 @@ impl TrackerSet {
compute_pipes: ResourceTracker::new(backend),
render_pipes: ResourceTracker::new(backend),
bundles: ResourceTracker::new(backend),
query_sets: ResourceTracker::new(backend),
}
}
@ -555,6 +557,7 @@ impl TrackerSet {
self.compute_pipes.clear();
self.render_pipes.clear();
self.bundles.clear();
self.query_sets.clear();
}
/// Try to optimize the tracking representation.
@ -567,6 +570,7 @@ impl TrackerSet {
self.compute_pipes.optimize();
self.render_pipes.optimize();
self.bundles.optimize();
self.query_sets.optimize();
}
/// Merge all the trackers of another instance by extending
@ -594,6 +598,7 @@ impl TrackerSet {
.unwrap();
self.render_pipes.merge_extend(&other.render_pipes).unwrap();
self.bundles.merge_extend(&other.bundles).unwrap();
self.query_sets.merge_extend(&other.query_sets).unwrap();
Ok(())
}

111
wgpu-types/src/lib.rs
View File

@ -35,6 +35,10 @@ pub const COPY_BUFFER_ALIGNMENT: BufferAddress = 4;
pub const VERTEX_STRIDE_ALIGNMENT: BufferAddress = 4;
/// Alignment all push constants need
pub const PUSH_CONSTANT_ALIGNMENT: u32 = 4;
/// Maximum queries in a query set
pub const QUERY_SET_MAX_QUERIES: u32 = 8192;
/// Size of a single piece of query data.
pub const QUERY_SIZE: u32 = 8;
/// Backends supported by wgpu.
#[repr(u8)]
@ -170,6 +174,39 @@ bitflags::bitflags! {
///
/// This is a web and native feature.
const TEXTURE_COMPRESSION_BC = 0x0000_0000_0000_0002;
/// Enables use of Timestamp Queries. These queries tell the current gpu timestamp when
/// all work before the query is finished. Call [`CommandEncoder::write_timestamp`],
/// [`RenderPassEncoder::write_timestamp`], or [`ComputePassEncoder::write_timestamp`] to
/// write out a timestamp.
///
/// They must be resolved using [`CommandEncoder::resolve_query_sets`] into a buffer,
/// then the result must be multiplied by the timestamp period [`Device::get_timestamp_period`]
/// to get the timestamp in nanoseconds. Multiple timestamps can then be diffed to get the
/// time for operations between them to finish.
///
/// Due to gfx-hal limitations, this is only supported on vulkan for now.
///
/// Supported Platforms:
/// - Vulkan (works)
/// - DX12 (future)
///
/// This is a web and native feature.
const TIMESTAMP_QUERY = 0x0000_0000_0000_0004;
/// Enables use of Pipeline Statistics Queries. These queries tell the count of various operations
/// performed between the start and stop call. Call [`RenderPassEncoder::begin_pipeline_statistics_query`] to start
/// a query, then call [`RenderPassEncoder::end_pipeline_statistics_query`] to stop one.
///
/// They must be resolved using [`CommandEncoder::resolve_query_sets`] into a buffer.
/// The rules on how these resolve into buffers are detailed in the documentation for [`PipelineStatisticsTypes`].
///
/// Due to gfx-hal limitations, this is only supported on vulkan for now.
///
/// Supported Platforms:
/// - Vulkan (works)
/// - DX12 (future)
///
/// This is a web and native feature.
const PIPELINE_STATISTICS_QUERY = 0x0000_0000_0000_0008;
/// Webgpu only allows the MAP_READ and MAP_WRITE buffer usage to be matched with
/// COPY_DST and COPY_SRC respectively. This removes this requirement.
///
@ -401,7 +438,7 @@ pub struct Limits {
/// - DX12: 256 bytes
/// - Metal: 4096 bytes
/// - DX11 & OpenGL don't natively support push constants, and are emulated with uniforms,
/// so this number is less useful.
/// so this number is less useful but likely 256.
pub max_push_constant_size: u32,
}
@ -2512,3 +2549,75 @@ pub enum SamplerBorderColor {
OpaqueBlack,
OpaqueWhite,
}
/// Describes how to create a QuerySet.
#[derive(Clone, Debug)]
#[cfg_attr(feature = "trace", derive(serde::Serialize))]
#[cfg_attr(feature = "replay", derive(serde::Deserialize))]
pub struct QuerySetDescriptor {
/// Kind of query that this query set should contain.
pub ty: QueryType,
/// Total count of queries the set contains. Must not be zero.
/// Must not be greater than [`QUERY_SET_MAX_QUERIES`].
pub count: u32,
}
/// Type of query contained in a QuerySet.
#[derive(Copy, Clone, Debug)]
#[cfg_attr(feature = "trace", derive(serde::Serialize))]
#[cfg_attr(feature = "replay", derive(serde::Deserialize))]
pub enum QueryType {
/// Query returns up to 5 64-bit numbers based on the given flags.
///
/// See [`PipelineStatisticsTypes`]'s documentation for more information
/// on how they get resolved.
///
/// [`Features::PIPELINE_STATISTICS_QUERY`] must be enabled to use this query type.
PipelineStatistics(PipelineStatisticsTypes),
/// Query returns a 64-bit number indicating the GPU-timestamp
/// where all previous commands have finished executing.
///
/// Must be multiplied by [`Device::get_timestamp_period`] to get
/// the value in nanoseconds. Absolute values have no meaning,
/// but timestamps can be subtracted to get the time it takes
/// for a string of operations to complete.
///
/// [`Features::TIMESTAMP_QUERY`] must be enabled to use this query type.
Timestamp,
}
bitflags::bitflags! {
/// Flags for which pipeline data should be recorded.
///
/// The amount of values written when resolved depends
/// on the amount of flags. If 3 flags are enabled, 3
/// 64-bit values will be writen per-query.
///
/// The order they are written is the order they are declared
/// in this bitflags. If you enabled `CLIPPER_PRIMITIVES_OUT`
/// and `COMPUTE_SHADER_INVOCATIONS`, it would write 16 bytes,
/// the first 8 bytes being the primative out value, the last 8
/// bytes being the compute shader invocation count.
#[repr(transparent)]
#[cfg_attr(feature = "trace", derive(Serialize))]
#[cfg_attr(feature = "replay", derive(Deserialize))]
pub struct PipelineStatisticsTypes : u8 {
/// Amount of times the vertex shader is ran. Accounts for
/// the vertex cache when doing indexed rendering.
const VERTEX_SHADER_INVOCATIONS = 0x01;
/// Amount of times the clipper is invoked. This
/// is also the amount of triangles output by the vertex shader.
const CLIPPER_INVOCATIONS = 0x02;
/// Amount of primitives that are not culled by the clipper.
/// This is the amount of triangles that are actually on screen
/// and will be rasterized and rendered.
const CLIPPER_PRIMITIVES_OUT = 0x04;
/// Amount of times the fragment shader is ran. Accounts for
/// fragment shaders running in 2x2 blocks in order to get
/// derivatives.
const FRAGMENT_SHADER_INVOCATIONS = 0x08;
/// Amount of times a compute shader is invoked. This will
/// be equivilent to the dispatch count times the workgroup size.
const COMPUTE_SHADER_INVOCATIONS = 0x10;
}
}