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