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// Copyright 2019 The SwiftShader Authors. All Rights Reserved.
//
// 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.
#ifndef sw_ComputeProgram_hpp
#define sw_ComputeProgram_hpp
#include "SpirvShader.hpp"
#include "Reactor/Reactor.hpp"
#include "Device/Context.hpp"
#include "Vulkan/VkDescriptorSet.hpp"
#include <functional>
namespace vk
{
class PipelineLayout;
} // namespace vk
namespace sw
{
using namespace rr;
class DescriptorSetsLayout;
// ComputeProgram builds a SPIR-V compute shader.
class ComputeProgram : public Function<Void(Pointer<Byte>)>
{
public:
ComputeProgram(SpirvShader const *spirvShader, vk::PipelineLayout const *pipelineLayout, const vk::DescriptorSet::Bindings &descriptorSets);
virtual ~ComputeProgram();
// generate builds the shader program.
void generate();
// run executes the compute shader routine for all workgroups.
// TODO(bclayton): This probably does not belong here. Consider moving.
static void run(
Routine *routine,
vk::DescriptorSet::Bindings const &descriptorSetBindings,
vk::DescriptorSet::DynamicOffsets const &descriptorDynamicOffsets,
PushConstantStorage const &pushConstants,
uint32_t groupCountX, uint32_t groupCountY, uint32_t groupCountZ);
protected:
void emit();
void setInputBuiltin(spv::BuiltIn id, std::function<void(const SpirvShader::BuiltinMapping& builtin, Array<SIMD::Float>& value)> cb);
Pointer<Byte> data; // argument 0
struct Data
{
vk::DescriptorSet::Bindings descriptorSets;
vk::DescriptorSet::DynamicOffsets descriptorDynamicOffsets;
uint4 numWorkgroups;
uint4 workgroupID;
PushConstantStorage pushConstants;
};
SpirvRoutine routine;
SpirvShader const * const shader;
vk::PipelineLayout const * const pipelineLayout;
const vk::DescriptorSet::Bindings &descriptorSets;
};
} // namespace sw
#endif // sw_ComputeProgram_hpp
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