1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gpu/ipc/webgpu_in_process_context.h"
#include <utility>
#include "base/command_line.h"
#include "base/logging.h"
#include "base/test/test_simple_task_runner.h"
#include "gpu/command_buffer/client/shared_memory_limits.h"
#include "gpu/command_buffer/client/transfer_buffer.h"
#include "gpu/command_buffer/client/webgpu_cmd_helper.h"
#include "gpu/command_buffer/client/webgpu_implementation.h"
#include "gpu/command_buffer/common/command_buffer.h"
#include "gpu/command_buffer/common/constants.h"
#include "gpu/command_buffer/common/context_creation_attribs.h"
#include "gpu/config/gpu_feature_info.h"
#include "gpu/config/gpu_switches.h"
#include "gpu/ipc/common/surface_handle.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace gpu {
WebGPUInProcessContext::WebGPUInProcessContext() = default;
WebGPUInProcessContext::~WebGPUInProcessContext() {
// Trigger any pending lost contexts. First do a full sync between client
// and service threads. Then execute any pending tasks.
if (webgpu_implementation_) {
// TODO(crbug.com/40586882): do the equivalent of a glFinish here?
client_task_runner_->RunUntilIdle();
webgpu_implementation_.reset();
}
transfer_buffer_.reset();
helper_.reset();
command_buffer_.reset();
}
ContextResult WebGPUInProcessContext::Initialize(
CommandBufferTaskExecutor* task_executor) {
auto attribs = mojom::ContextCreationAttribs::NewWebgpu(
mojom::WebGPUCreationAttribs::New());
client_task_runner_ = base::MakeRefCounted<base::TestSimpleTaskRunner>();
command_buffer_ =
std::make_unique<InProcessCommandBuffer>(task_executor, GURL());
auto result =
command_buffer_->Initialize(std::move(attribs), client_task_runner_,
/*gr_shader_cache=*/nullptr,
/*use_shader_cache_shm_count=*/nullptr);
if (result != ContextResult::kSuccess) {
DLOG(ERROR) << "Failed to initialize InProcessCommmandBuffer";
return result;
}
const auto memory_limits = SharedMemoryLimits::ForWebGPUContext();
// Create the WebGPUCmdHelper, which writes the command buffer protocol.
auto webgpu_helper =
std::make_unique<webgpu::WebGPUCmdHelper>(command_buffer_.get());
result = webgpu_helper->Initialize(memory_limits.command_buffer_size);
if (result != ContextResult::kSuccess) {
LOG(ERROR) << "Failed to initialize WebGPUCmdHelper";
return result;
}
transfer_buffer_ = std::make_unique<TransferBuffer>(webgpu_helper.get());
webgpu_implementation_ = std::make_unique<webgpu::WebGPUImplementation>(
webgpu_helper.get(), transfer_buffer_.get(), command_buffer_.get());
helper_ = std::move(webgpu_helper);
webgpu_implementation_->Initialize(memory_limits);
return result;
}
const Capabilities& WebGPUInProcessContext::GetCapabilities() const {
return command_buffer_->GetCapabilities();
}
const GpuFeatureInfo& WebGPUInProcessContext::GetGpuFeatureInfo() const {
return command_buffer_->GetGpuFeatureInfo();
}
webgpu::WebGPUImplementation* WebGPUInProcessContext::GetImplementation() {
return webgpu_implementation_.get();
}
base::TestSimpleTaskRunner* WebGPUInProcessContext::GetTaskRunner() {
return client_task_runner_.get();
}
ServiceTransferCache* WebGPUInProcessContext::GetTransferCacheForTest() const {
return command_buffer_->GetTransferCacheForTest();
}
InProcessCommandBuffer* WebGPUInProcessContext::GetCommandBufferForTest()
const {
return command_buffer_.get();
}
CommandBufferHelper* WebGPUInProcessContext::GetCommandBufferHelperForTest()
const {
return helper_.get();
}
} // namespace gpu
|
