| Flutter Impeller |

compute_pass.cc
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "impeller/renderer/compute_pass.h"
6 #include <memory>
7
8 #include "impeller/base/strings.h"
9 #include "impeller/base/validation.h"
10 #include "impeller/core/host_buffer.h"
11
12 namespace impeller {
13
14 ComputePass::ComputePass(std::weak_ptr<const Context> context)
15 : context_(std::move(context)), transients_buffer_(HostBuffer::Create()) {}
16
17 ComputePass::~ComputePass() = default;
18
19 HostBuffer& ComputePass::GetTransientsBuffer() {
20 return *transients_buffer_;
21 }
22
23 void ComputePass::SetLabel(const std::string& label) {
24 if (label.empty()) {
25 return;
26 }
27 transients_buffer_->SetLabel(SPrintF("%s Transients", label.c_str()));
28 OnSetLabel(label);
29 }
30
31 void ComputePass::SetGridSize(const ISize& size) {
32 grid_size_ = size;
33 }
34
35 void ComputePass::SetThreadGroupSize(const ISize& size) {
36 thread_group_size_ = size;
37 }
38
39 bool ComputePass::AddCommand(ComputeCommand command) {
40 if (!command) {
41 VALIDATION_LOG
42 << "Attempted to add an invalid command to the compute pass.";
43 return false;
44 }
45
46 commands_.emplace_back(std::move(command));
47 return true;
48 }
49
50 bool ComputePass::EncodeCommands() const {
51 if (grid_size_.IsEmpty() || thread_group_size_.IsEmpty()) {
52 FML_DLOG(WARNING) << "Attempted to encode a compute pass with an empty "
53 "grid or thread group size.";
54 return false;
55 }
56 auto context = context_.lock();
57 // The context could have been collected in the meantime.
58 if (!context) {
59 return false;
60 }
61 return OnEncodeCommands(*context, grid_size_, thread_group_size_);
62 }
63
64 } // namespace impeller
host_buffer.h
impeller::ComputePass::SetGridSize
void SetGridSize(const ISize &size)
Definition: compute_pass.cc:31
impeller::ComputePass::ComputePass
ComputePass(std::weak_ptr< const Context > context)
Definition: compute_pass.cc:14
impeller::HostBuffer
Definition: host_buffer.h:20
impeller::ComputePass::commands_
std::vector< ComputeCommand > commands_
Definition: compute_pass.h:60
impeller::ComputePass::GetTransientsBuffer
HostBuffer & GetTransientsBuffer()
Definition: compute_pass.cc:19
validation.h
impeller::ComputePass::EncodeCommands
bool EncodeCommands() const
Encode the recorded commands to the underlying command buffer.
Definition: compute_pass.cc:50
impeller::TSize< int64_t >
impeller::SPrintF
std::string SPrintF(const char *format,...)
Definition: strings.cc:12
impeller::ComputePass::context_
const std::weak_ptr< const Context > context_
Definition: compute_pass.h:59
strings.h
impeller::ComputePass::AddCommand
bool AddCommand(ComputeCommand command)
Record a command for subsequent encoding to the underlying command buffer. No work is encoded into th...
Definition: compute_pass.cc:39
impeller::ComputePass::OnSetLabel
virtual void OnSetLabel(const std::string &label)=0
VALIDATION_LOG
#define VALIDATION_LOG
Definition: validation.h:67
impeller::ComputeCommand
An object used to specify compute work to the GPU along with references to resources the GPU will use...
Definition: compute_command.h:36
impeller::ComputePass::SetLabel
void SetLabel(const std::string &label)
Definition: compute_pass.cc:23
std
Definition: comparable.h:95
impeller::ComputePass::SetThreadGroupSize
void SetThreadGroupSize(const ISize &size)
Definition: compute_pass.cc:35
impeller::ComputePass::~ComputePass
virtual ~ComputePass()
impeller::TSize::IsEmpty
constexpr bool IsEmpty() const
Returns true if either of the width or height are 0, negative, or NaN.
Definition: size.h:105
impeller::ComputePass::OnEncodeCommands
virtual bool OnEncodeCommands(const Context &context, const ISize &grid_size, const ISize &thread_group_size) const =0
compute_pass.h
impeller
Definition: aiks_context.cc:10