src/ngfx/graphics/ShaderModule.h

Namespaces

Name
ngfx

Classes

	Name
class	ngfx::ShaderModule
struct	ngfx::ShaderModule::DescriptorInfo
struct	ngfx::ShaderModule::BufferMemberInfo
struct	ngfx::ShaderModule::BufferInfo
class	ngfx::VertexShaderModule
struct	ngfx::VertexShaderModule::AttributeDescription
class	ngfx::FragmentShaderModule
class	ngfx::ComputeShaderModule

Defines

	Name
	ENABLE_NGL_INTEGRATION

Macro Documentation

define ENABLE_NGL_INTEGRATION

#define ENABLE_NGL_INTEGRATION 

Source code

/*
 * Copyright 2020 GoPro Inc.
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */
#pragma once
#include "ngfx/graphics/Device.h"
#include "ngfx/graphics/GraphicsCore.h"
#include <cstdint>
#include <map>
#include <memory>
#include <string>
#include <vector>
#define ENABLE_NGL_INTEGRATION

namespace ngfx {
class ShaderModule {
public:
  virtual ~ShaderModule() {}
  struct DescriptorInfo {
    std::string name;
    uint32_t set;
    DescriptorType type;
  };
  typedef std::vector<DescriptorInfo> DescriptorInfos;
  DescriptorInfos descriptors;
  inline DescriptorInfo *findDescriptorInfo(const std::string &name) {
    for (auto &desc : descriptors) {
      if (desc.name == name)
        return &desc;
    }
    return nullptr;
  }
  struct BufferMemberInfo {
    uint32_t offset, size, arrayCount, arrayStride;
  };
  typedef std::map<std::string, BufferMemberInfo> BufferMemberInfos;
  struct BufferInfo {
    std::string name;
    uint32_t set;
    ShaderStageFlags shaderStages;
    BufferMemberInfos memberInfos;
  };
  typedef std::map<std::string, BufferInfo> BufferInfos;
  inline BufferInfo *findUniformBufferInfo(const std::string &name) {
    auto it = uniformBufferInfos.find(name);
    if (it == uniformBufferInfos.end())
      return nullptr;
    return &it->second;
  }
  inline BufferInfo *findStorageBufferInfo(const std::string &name) {
    auto it = shaderStorageBufferInfos.find(name);
    if (it == shaderStorageBufferInfos.end())
      return nullptr;
    return &it->second;
  }
  BufferInfos uniformBufferInfos, shaderStorageBufferInfos;
  void initBindings(std::ifstream &in, ShaderStageFlags shaderStages);
  void initBindings(const std::string &filename, ShaderStageFlags shaderStages);
};
class VertexShaderModule : public ShaderModule {
public:
  static std::unique_ptr<VertexShaderModule>
  create(Device *device, const std::string &filename);
  virtual ~VertexShaderModule() {}
  struct AttributeDescription {
    std::string semantic;
    uint32_t location;
    VertexFormat format;
    std::string name;
    uint32_t count, elementSize;
  };
  std::vector<AttributeDescription> attributes;
  inline AttributeDescription *findAttribute(const std::string &name) {
    for (auto &attr : attributes) {
      if (attr.name == name)
        return &attr;
    }
    return nullptr;
  }
  void initBindings(const std::string &filename);
};
class FragmentShaderModule : public ShaderModule {
public:
  static std::unique_ptr<FragmentShaderModule>
  create(Device *device, const std::string &filename);
  virtual ~FragmentShaderModule() {}
  void initBindings(const std::string &filename) {
    ShaderModule::initBindings(filename, SHADER_STAGE_FRAGMENT_BIT);
  }
};
class ComputeShaderModule : public ShaderModule {
public:
  static std::unique_ptr<ComputeShaderModule>
  create(Device *device, const std::string &filename);
  virtual ~ComputeShaderModule() {}
  void initBindings(const std::string &filename) {
    ShaderModule::initBindings(filename, SHADER_STAGE_COMPUTE_BIT);
  }
};
} // namespace ngfx

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Updated on 3 April 2021 at 20:21:51 PDT