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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"
namespace amber {
namespace vulkan {
ComputePipeline::ComputePipeline(
VkDevice device,
const VkPhysicalDeviceMemoryProperties& properties,
uint32_t fence_timeout_ms,
const std::vector<VkPipelineShaderStageCreateInfo>& shader_stage_info)
: Pipeline(PipelineType::kCompute,
device,
properties,
fence_timeout_ms,
shader_stage_info) {}
ComputePipeline::~ComputePipeline() = default;
Result ComputePipeline::Initialize(VkCommandPool pool, VkQueue queue) {
return Pipeline::InitializeCommandBuffer(pool, queue);
}
Result ComputePipeline::CreateVkComputePipeline() {
const auto& shader_stage_info = GetShaderStageInfo();
if (shader_stage_info.size() != 1) {
return Result(
"Vulkan::CreateVkComputePipeline number of shaders given to compute "
"pipeline is not 1");
}
Result r = CreateVkDescriptorRelatedObjects();
if (!r.IsSuccess())
return r;
VkComputePipelineCreateInfo pipeline_info = {};
pipeline_info.sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO;
pipeline_info.stage = shader_stage_info[0];
pipeline_info.layout = pipeline_layout_;
if (vkCreateComputePipelines(device_, 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) {
if (pipeline_ == VK_NULL_HANDLE) {
Result r = CreateVkComputePipeline();
if (!r.IsSuccess())
return r;
}
Result r = command_->BeginIfNotInRecording();
if (!r.IsSuccess())
return r;
r = SendDescriptorDataToGPUIfNeeded();
if (!r.IsSuccess())
return r;
BindVkDescriptorSets();
BindVkPipeline();
vkCmdDispatch(command_->GetCommandBuffer(), x, y, z);
return {};
}
} // namespace vulkan
} // namespace amber
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