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// Copyright 2018 The Amber Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/vulkan/compute_pipeline.h"
#include "src/vulkan/command_pool.h"
#include "src/vulkan/device.h"
namespace amber {
namespace vulkan {
ComputePipeline::ComputePipeline(
Device* device,
const VkPhysicalDeviceProperties& properties,
const VkPhysicalDeviceMemoryProperties& memory_properties,
uint32_t fence_timeout_ms,
const std::vector<VkPipelineShaderStageCreateInfo>& shader_stage_info)
: Pipeline(PipelineType::kCompute,
device,
properties,
memory_properties,
fence_timeout_ms,
shader_stage_info) {}
ComputePipeline::~ComputePipeline() = default;
Result ComputePipeline::Initialize(CommandPool* pool, VkQueue queue) {
return Pipeline::Initialize(pool, queue);
}
Result ComputePipeline::CreateVkComputePipeline(
const VkPipelineLayout& pipeline_layout,
VkPipeline* pipeline) {
auto shader_stage_info = GetVkShaderStageInfo();
if (shader_stage_info.size() != 1) {
return Result(
"Vulkan::CreateVkComputePipeline number of shaders given to compute "
"pipeline is not 1");
}
if (shader_stage_info[0].stage != VK_SHADER_STAGE_COMPUTE_BIT)
return Result("Vulkan: Non compute shader for compute pipeline");
shader_stage_info[0].pName = GetEntryPointName(VK_SHADER_STAGE_COMPUTE_BIT);
VkComputePipelineCreateInfo pipeline_info = VkComputePipelineCreateInfo();
pipeline_info.sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO;
pipeline_info.stage = shader_stage_info[0];
pipeline_info.layout = pipeline_layout;
if (device_->GetPtrs()->vkCreateComputePipelines(
device_->GetVkDevice(), VK_NULL_HANDLE, 1, &pipeline_info, nullptr,
pipeline) != VK_SUCCESS) {
return Result("Vulkan::Calling vkCreateComputePipelines Fail");
}
return {};
}
Result ComputePipeline::Compute(uint32_t x, uint32_t y, uint32_t z) {
Result r = SendDescriptorDataToDeviceIfNeeded();
if (!r.IsSuccess())
return r;
VkPipelineLayout pipeline_layout = VK_NULL_HANDLE;
r = CreateVkPipelineLayout(&pipeline_layout);
if (!r.IsSuccess())
return r;
VkPipeline pipeline = VK_NULL_HANDLE;
r = CreateVkComputePipeline(pipeline_layout, &pipeline);
if (!r.IsSuccess())
return r;
// Note that a command updating a descriptor set and a command using
// it must be submitted separately, because using a descriptor set
// while updating it is not safe.
UpdateDescriptorSetsIfNeeded();
{
CommandBufferGuard guard(GetCommandBuffer());
if (!guard.IsRecording())
return guard.GetResult();
BindVkDescriptorSets(pipeline_layout);
r = RecordPushConstant(pipeline_layout);
if (!r.IsSuccess())
return r;
device_->GetPtrs()->vkCmdBindPipeline(command_->GetVkCommandBuffer(),
VK_PIPELINE_BIND_POINT_COMPUTE,
pipeline);
device_->GetPtrs()->vkCmdDispatch(command_->GetVkCommandBuffer(), x, y, z);
r = guard.Submit(GetFenceTimeout());
if (!r.IsSuccess())
return r;
}
r = ReadbackDescriptorsToHostDataQueue();
if (!r.IsSuccess())
return r;
device_->GetPtrs()->vkDestroyPipeline(device_->GetVkDevice(), pipeline,
nullptr);
device_->GetPtrs()->vkDestroyPipelineLayout(device_->GetVkDevice(),
pipeline_layout, nullptr);
return {};
}
} // namespace vulkan
} // namespace amber
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