SFML - Simple and Fast Multimedia Library

SFML

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 //
 // SFML - Simple and Fast Multimedia Library
 // Copyright (C) 2007-2017 Laurent Gomila ([email protected])
 //
 // This software is provided 'as-is', without any express or implied warranty.
 // In no event will the authors be held liable for any damages arising from the use of this software.
 //
 // Permission is granted to anyone to use this software for any purpose,
 // including commercial applications, and to alter it and redistribute it freely,
 // subject to the following restrictions:
 //
 // 1. The origin of this software must not be misrepresented;
 // you must not claim that you wrote the original software.
 // If you use this software in a product, an acknowledgment
 // in the product documentation would be appreciated but is not required.
 //
 // 2. Altered source versions must be plainly marked as such,
 // and must not be misrepresented as being the original software.
 //
 // 3. This notice may not be removed or altered from any source distribution.
 //
 
 #ifndef SFML_SHADER_HPP
 #define SFML_SHADER_HPP
 
 // Headers
 #include <SFML/Graphics/Export.hpp>
 #include <SFML/Graphics/Glsl.hpp>
 #include <SFML/Window/GlResource.hpp>
 #include <SFML/System/NonCopyable.hpp>
 #include <SFML/System/Vector2.hpp>
 #include <SFML/System/Vector3.hpp>
 #include <map>
 #include <string>
 
 
 namespace sf
 {
 class Color;
 class InputStream;
 class Texture;
 class Transform;
 
 class SFML_GRAPHICS_API Shader : GlResource, NonCopyable
 {
 public:
 
  enum Type
  {
  Vertex, 
  Geometry, 
  Fragment 
  };
 
  struct CurrentTextureType {};
 
  static CurrentTextureType CurrentTexture;
 
 public:
 
  Shader();
 
  ~Shader();
 
  bool loadFromFile(const std::string& filename, Type type);
 
  bool loadFromFile(const std::string& vertexShaderFilename, const std::string& fragmentShaderFilename);
 
  bool loadFromFile(const std::string& vertexShaderFilename, const std::string& geometryShaderFilename, const std::string& fragmentShaderFilename);
 
  bool loadFromMemory(const std::string& shader, Type type);
 
  bool loadFromMemory(const std::string& vertexShader, const std::string& fragmentShader);
 
  bool loadFromMemory(const std::string& vertexShader, const std::string& geometryShader, const std::string& fragmentShader);
 
  bool loadFromStream(InputStream& stream, Type type);
 
  bool loadFromStream(InputStream& vertexShaderStream, InputStream& fragmentShaderStream);
 
  bool loadFromStream(InputStream& vertexShaderStream, InputStream& geometryShaderStream, InputStream& fragmentShaderStream);
 
  void setUniform(const std::string& name, float x);
 
  void setUniform(const std::string& name, const Glsl::Vec2& vector);
 
  void setUniform(const std::string& name, const Glsl::Vec3& vector);
 
  void setUniform(const std::string& name, const Glsl::Vec4& vector);
 
  void setUniform(const std::string& name, int x);
 
  void setUniform(const std::string& name, const Glsl::Ivec2& vector);
 
  void setUniform(const std::string& name, const Glsl::Ivec3& vector);
 
  void setUniform(const std::string& name, const Glsl::Ivec4& vector);
 
  void setUniform(const std::string& name, bool x);
 
  void setUniform(const std::string& name, const Glsl::Bvec2& vector);
 
  void setUniform(const std::string& name, const Glsl::Bvec3& vector);
 
  void setUniform(const std::string& name, const Glsl::Bvec4& vector);
 
  void setUniform(const std::string& name, const Glsl::Mat3& matrix);
 
  void setUniform(const std::string& name, const Glsl::Mat4& matrix);
 
  void setUniform(const std::string& name, const Texture& texture);
 
  void setUniform(const std::string& name, CurrentTextureType);
 
  void setUniformArray(const std::string& name, const float* scalarArray, std::size_t length);
 
  void setUniformArray(const std::string& name, const Glsl::Vec2* vectorArray, std::size_t length);
 
  void setUniformArray(const std::string& name, const Glsl::Vec3* vectorArray, std::size_t length);
 
  void setUniformArray(const std::string& name, const Glsl::Vec4* vectorArray, std::size_t length);
 
  void setUniformArray(const std::string& name, const Glsl::Mat3* matrixArray, std::size_t length);
 
  void setUniformArray(const std::string& name, const Glsl::Mat4* matrixArray, std::size_t length);
 
  SFML_DEPRECATED void setParameter(const std::string& name, float x);
 
  SFML_DEPRECATED void setParameter(const std::string& name, float x, float y);
 
  SFML_DEPRECATED void setParameter(const std::string& name, float x, float y, float z);
 
  SFML_DEPRECATED void setParameter(const std::string& name, float x, float y, float z, float w);
 
  SFML_DEPRECATED void setParameter(const std::string& name, const Vector2f& vector);
 
  SFML_DEPRECATED void setParameter(const std::string& name, const Vector3f& vector);
 
  SFML_DEPRECATED void setParameter(const std::string& name, const Color& color);
 
  SFML_DEPRECATED void setParameter(const std::string& name, const Transform& transform);
 
  SFML_DEPRECATED void setParameter(const std::string& name, const Texture& texture);
 
  SFML_DEPRECATED void setParameter(const std::string& name, CurrentTextureType);
 
  unsigned int getNativeHandle() const;
 
  static void bind(const Shader* shader);
 
  static bool isAvailable();
 
  static bool isGeometryAvailable();
 
 private:
 
  bool compile(const char* vertexShaderCode, const char* geometryShaderCode, const char* fragmentShaderCode);
 
  void bindTextures() const;
 
  int getUniformLocation(const std::string& name);
 
  struct UniformBinder;
 
  // Types
  typedef std::map<int, const Texture*> TextureTable;
  typedef std::map<std::string, int> UniformTable;
 
  // Member data
  unsigned int m_shaderProgram; 
  int m_currentTexture; 
  TextureTable m_textures; 
  UniformTable m_uniforms; 
 };
 
 } // namespace sf
 
 
 #endif // SFML_SHADER_HPP
 
 
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