vk_shader_compiler.hh

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/* SPDX-FileCopyrightText: 2024 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "gpu_shader_private.hh"
 
#include "BLI_map.hh"
#include "BLI_task.h"
#include "BLI_vector.hh"
 
#include "shaderc/shaderc.hpp"
 
namespace blender::gpu {
class VKShader;
class VKShaderModule;
 
class VKShaderCompiler : public ShaderCompiler {
 private:
  std::mutex mutex_;
  BatchHandle next_batch_handle_ = 1;
 
  struct VKBatch {
    Vector<Shader *> shaders;
  };
  Map<BatchHandle, VKBatch> batches_;
 
  TaskPool *task_pool_ = nullptr;
 
 public:
  VKShaderCompiler();
  virtual ~VKShaderCompiler();
  BatchHandle batch_compile(Span<const shader::ShaderCreateInfo *> &infos) override;
  bool batch_is_ready(BatchHandle handle) override;
  Vector<Shader *> batch_finalize(BatchHandle &handle) override;
 
  static bool compile_module(VKShader &shader,
                             shaderc_shader_kind stage,
                             VKShaderModule &shader_module);
 
  static void cache_dir_clear_old();
 
 private:
  static void run(TaskPool *__restrict pool, void *task_data);
};
}  // namespace blender::gpu