Elevate::Shader Class Reference

#include <Shader.h>

Inheritance diagram for Elevate::Shader:

Public Member Functions
	~Shader ()
virtual uint32_t	GetID () const =0
virtual uint32_t	GetHashCode () const =0
void	UseLight (Light *newLightSetting, const std::string &lightName)
void	UseDirLight (DirectionalLight *newDirLight)
void	SetCameraPosition (const glm::vec3 cameraPosition) const
void	SetModelMatrix (const glm::mat4 &modelMatrix)
void	SetModelMatrix (const GameObject &object)
void	SetProjectionViewMatrix (const glm::mat4 viewProjMatrix)
void	SetProjectionViewMatrix (const Camera &cam)
virtual void	SetUniform (const std::string &location, ShaderDataType type, void *value)
	UNIFORMS.
virtual void	SetUniform1f (const std::string &location, float value) const =0
virtual void	SetUniform2f (const std::string &location, float x, float y) const =0
virtual void	SetUniform3f (const std::string &location, float x, float y, float z) const =0
virtual void	SetUniform4f (const std::string &location, float x, float y, float z, float w) const =0
void	SetUniform2f (const std::string &location, glm::vec2 value) const
void	SetUniform3f (const std::string &location, glm::vec3 value) const
void	SetUniform4f (const std::string &location, glm::vec4 value) const
virtual void	SetUniform1i (const std::string &location, int value) const =0
virtual void	SetUniform2i (const std::string &location, int x, int y) const =0
virtual void	SetUniform3i (const std::string &location, int x, int y, int z) const =0
virtual void	SetUniform4i (const std::string &location, int x, int y, int z, int w) const =0
virtual void	SetUniform1fv (const std::string &location, int count, float *value) const =0
virtual void	SetUniform2fv (const std::string &location, int count, float *value) const =0
virtual void	SetUniform3fv (const std::string &location, int count, float *value) const =0
virtual void	SetUniform4fv (const std::string &location, int count, float *value) const =0
virtual void	SetUniform1iv (const std::string &location, int count, int *value) const =0
virtual void	SetUniform2iv (const std::string &location, int count, int *value) const =0
virtual void	SetUniform3iv (const std::string &location, int count, int *value) const =0
virtual void	SetUniform4iv (const std::string &location, int count, int *value) const =0
virtual void	SetUniformMatrix2fv (const std::string &location, float *data) const =0
void	SetUniformMatrix2fv (const std::string &location, glm::mat2 data) const
virtual void	SetUniformMatrix3fv (const std::string &location, float *data) const =0
void	SetUniformMatrix3fv (const std::string &location, glm::mat3 data) const
virtual void	SetUniformMatrix4fv (const std::string &location, float *data) const =0
void	SetUniformMatrix4fv (const std::string &location, glm::mat4 data) const
virtual unsigned int	GetRendererID () const =0
bool	IsInitialized ()
const BufferLayout &	GetLayout ()

Static Public Member Functions
static std::shared_ptr< Shader >	CreateDefaultNative ()
static std::shared_ptr< Shader >	CreateDefaultErrorNative ()
static std::shared_ptr< Shader >	CreateDefault ()
static std::shared_ptr< Shader >	CreateDefaultError ()
static std::shared_ptr< Shader >	Create (const std::string &vertexSource, const std::string &fragmentSouce)
static std::shared_ptr< Shader >	CreateFromFiles (const std::string &vertexSrcPath, const std::string &fragSrcPath)
static std::shared_ptr< Shader >	CreateFromFiles (const std::string &vertexSrcPath, const std::string &fragSrcPath, const std::string &customVertCode, const std::string &customFragCode)

Protected Member Functions
virtual BufferLayout	ExtractReflectionData () const =0
void	SetInitializationStatus (bool initialized)

Friends
class	Renderer

Detailed Description

Definition at line 22 of file Shader.h.

Constructor & Destructor Documentation

~Shader()

Elevate::Shader::~Shader ( )

inline

Definition at line 25 of file Shader.h.

{}

Member Function Documentation

Create()

ShaderPtr Elevate::Shader::Create ( const std::string &  vertexSource, const std::string &  fragmentSouce  )

static

Definition at line 48 of file Shader.cpp.

    {
        std::shared_ptr<Shader> shader = nullptr;
        
        if (!vertexSource.empty() && !fragmentSouce.empty())
        {
            switch (Renderer::GetAPI())
            {
            case RendererAPI::GraphicAPI::None: EE_CORE_ASSERT(false, "Renderer none is not supported"); break;
            case RendererAPI::GraphicAPI::OpenGL: shader = std::make_shared<OpenGLShader>(vertexSource, fragmentSouce);
            }
        }
        else
        {
            EE_CORE_ERROR("Error : Tried to create a shader with an empty vertex or fragment source -> Vertex : {} And Fragment : {}", vertexSource, fragmentSouce);
            return CreateDefaultErrorNative();
        }
 
        if (!shader->IsInitialized())
        {
            shader.reset(); // Free the memory of that unused shader and reset to nullptr
            EE_CORE_ERROR("Error : Could not create a valid shader. Fallback to default shader.");
            return CreateDefaultErrorNative();
        }
 
        shader->m_layout = shader->ExtractReflectionData();
 
        EE_CORE_TRACE("Shader layout has {} elements.", shader->m_layout.GetElements().size());
        return shader;
    }

CreateDefault()

std::shared_ptr< Shader > Elevate::Shader::CreateDefault ( )

static

Definition at line 38 of file Shader.cpp.

    {
        return Create(EE_SHADER_HEADER + std::string(DefaultShader::GetVertexShader()), EE_SHADER_HEADER + std::string(DefaultShader::GetFragmentShader()));
    }

CreateDefaultError()

std::shared_ptr< Shader > Elevate::Shader::CreateDefaultError ( )

static

Definition at line 43 of file Shader.cpp.

    {
        return Create(EE_SHADER_HEADER + std::string(DefaultShader::GetVertexShader()), EE_SHADER_HEADER + std::string(DefaultShader::GetErrorShader()));
    }

CreateDefaultErrorNative()

std::shared_ptr< Shader > Elevate::Shader::CreateDefaultErrorNative ( )

static

Definition at line 28 of file Shader.cpp.

    {
        switch (Renderer::GetAPI())
        {
        case RendererAPI::GraphicAPI::None: EE_CORE_ASSERT(false, "Renderer none is not supported");
        case RendererAPI::GraphicAPI::OpenGL: return std::make_shared<OpenGLShader>(EE_SHADER_HEADER + std::string(DefaultShader::GetVertexShader()), EE_SHADER_HEADER + std::string(DefaultShader::GetErrorShader()));
        }
        return nullptr;
    }

CreateDefaultNative()

std::shared_ptr< Shader > Elevate::Shader::CreateDefaultNative ( )

static

Definition at line 18 of file Shader.cpp.

    {
        switch (Renderer::GetAPI())
        {
        case RendererAPI::GraphicAPI::None: EE_CORE_ASSERT(false, "Renderer none is not supported");
        case RendererAPI::GraphicAPI::OpenGL: return std::make_shared<OpenGLShader>(EE_SHADER_HEADER + std::string(DefaultShader::GetVertexShader()), EE_SHADER_HEADER + std::string(DefaultShader::GetFragmentShader()));
        }
        return nullptr;
    }

CreateFromFiles() [1/2]

ShaderPtr Elevate::Shader::CreateFromFiles ( const std::string &  vertexSrcPath, const std::string &  fragSrcPath  )

static

Definition at line 79 of file Shader.cpp.

    {
        std::string vertexSource = File::GetFileContent(vertexSrcPath);
        std::string fragmentSource = File::GetFileContent(fragSrcPath);
        return Create(vertexSource, fragmentSource);
    }

CreateFromFiles() [2/2]

ShaderPtr Elevate::Shader::CreateFromFiles ( const std::string &  vertexSrcPath, const std::string &  fragSrcPath, const std::string &  customVertCode, const std::string &  customFragCode  )

static

Definition at line 86 of file Shader.cpp.

    {
        std::string vertexContent = File::GetFileContent(vertexSrcPath);
        std::string fragmentContent = File::GetFileContent(fragSrcPath);
 
        if (!vertexContent.empty() && !fragmentContent.empty())
        {
            std::string vertexSource = customVertCode + "\n" + vertexContent;
            std::string fragmentSource = customFragCode + "\n" + fragmentContent;
            return Create(vertexSource, fragmentSource);
        }
        else
        {
            EE_CORE_ERROR("Error : Tried to create a shader with an empty vertex or fragment source -> Vertex : {} And Fragment : {}", vertexContent, fragmentContent);
            return CreateDefaultError();
        }
    }

ExtractReflectionData()

virtual BufferLayout Elevate::Shader::ExtractReflectionData ( ) const

protectedpure virtual

Implemented in Elevate::OpenGLShader.

GetHashCode()

virtual uint32_t Elevate::Shader::GetHashCode ( ) const

pure virtual

Implemented in Elevate::OpenGLShader.

GetID()

virtual uint32_t Elevate::Shader::GetID ( ) const

pure virtual

Implemented in Elevate::OpenGLShader.

GetLayout()

const BufferLayout & Elevate::Shader::GetLayout ( )

inline

Definition at line 111 of file Shader.h.

{ return m_layout; }

GetRendererID()

virtual unsigned int Elevate::Shader::GetRendererID ( ) const

pure virtual

Implemented in Elevate::OpenGLShader.

IsInitialized()

bool Elevate::Shader::IsInitialized ( )

inline

Definition at line 109 of file Shader.h.

{ return m_isInitialized; }

SetCameraPosition()

void Elevate::Shader::SetCameraPosition

(

const glm::vec3

cameraPosition

)

const

Definition at line 118 of file Shader.cpp.

    {
        SetUniform3f(EE_SHADER_CAMPOS, cameraPosition);
    }

SetInitializationStatus()

void Elevate::Shader::SetInitializationStatus ( bool  initialized )

inlineprotected

Definition at line 115 of file Shader.h.

{ m_isInitialized = initialized; }

SetModelMatrix() [1/2]

void Elevate::Shader::SetModelMatrix

(

const GameObject &

object

)

Definition at line 128 of file Shader.cpp.

    {
        SetUniformMatrix4fv(EE_SHADER_MODEL, object.GetModelMatrix()); // set the model matrix
    }

SetModelMatrix() [2/2]

void Elevate::Shader::SetModelMatrix

(

const glm::mat4 &

modelMatrix

)

Definition at line 123 of file Shader.cpp.

    {
        SetUniformMatrix4fv(EE_SHADER_MODEL, modelMatrix); // set the model matrix
    }

SetProjectionViewMatrix() [1/2]

void Elevate::Shader::SetProjectionViewMatrix

(

const Camera &

cam

)

Definition at line 138 of file Shader.cpp.

    {
        SetUniformMatrix4fv(EE_SHADER_VIEWPROJ, cam.GenViewProjectionMatrix());
    }

SetProjectionViewMatrix() [2/2]

void Elevate::Shader::SetProjectionViewMatrix

(

const glm::mat4

viewProjMatrix

)

Definition at line 133 of file Shader.cpp.

    {
        SetUniformMatrix4fv(EE_SHADER_VIEWPROJ, viewProjMatrix);
    }

SetUniform()

void Elevate::Shader::SetUniform ( const std::string &  location, ShaderDataType  type, void *  value  )

virtual

UNIFORMS.

Sets any uniform of any type. Dispatchs the uniform using the right setter function.

Parameters

location	The name of the uniform.
value	The pointer to the data.

Definition at line 158 of file Shader.cpp.

    {
        switch (type)
        {
            // todo impl all of the types here based on the functions we have in the shader part
            // todo remove the need to cast to float* and directly use the SetUniform2fv functions (create them if necessary)
        case ShaderDataType::Float:  SetUniform1f(location, *(float*)value); break;
        case ShaderDataType::Float2: 
        {
            float* data = (float*)value;
            SetUniform2f(location, data[0], data[1]);
            break;
        }
        case ShaderDataType::Float3:
        {
            float* data = (float*)value;
            SetUniform3f(location, data[0], data[1], data[2]);
            break;
        }
        case ShaderDataType::Float4:
        {
            float* data = (float*)value;
            SetUniform4f(location, data[0], data[1], data[2], data[3]);
            break;
        }
        case ShaderDataType::Int:
            SetUniform1i(location, *(int*)value);
            break;
        case ShaderDataType::Mat4:
            SetUniformMatrix4fv(location, (float*) value);
            break;
        default:
            EE_CORE_ASSERT(false, "(Shader::SetUniform()) : Unsupported datatype provided.");
            break;
        }
    }

SetUniform1f()

virtual void Elevate::Shader::SetUniform1f ( const std::string &  location, float  value  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniform1fv()

virtual void Elevate::Shader::SetUniform1fv ( const std::string &  location, int  count, float *  value  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniform1i()

virtual void Elevate::Shader::SetUniform1i ( const std::string &  location, int  value  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniform1iv()

virtual void Elevate::Shader::SetUniform1iv ( const std::string &  location, int  count, int *  value  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniform2f() [1/2]

virtual void Elevate::Shader::SetUniform2f ( const std::string &  location, float  x, float  y  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniform2f() [2/2]

void Elevate::Shader::SetUniform2f ( const std::string &  location, glm::vec2  value  ) const

inline

Definition at line 67 of file Shader.h.

        {
            SetUniform2f(location, value.x, value.y);
        }

SetUniform2fv()

virtual void Elevate::Shader::SetUniform2fv ( const std::string &  location, int  count, float *  value  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniform2i()

virtual void Elevate::Shader::SetUniform2i ( const std::string &  location, int  x, int  y  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniform2iv()

virtual void Elevate::Shader::SetUniform2iv ( const std::string &  location, int  count, int *  value  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniform3f() [1/2]

virtual void Elevate::Shader::SetUniform3f ( const std::string &  location, float  x, float  y, float  z  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniform3f() [2/2]

void Elevate::Shader::SetUniform3f ( const std::string &  location, glm::vec3  value  ) const

inline

Definition at line 71 of file Shader.h.

        {
            SetUniform3f(location, value.x, value.y, value.z);
        }

SetUniform3fv()

virtual void Elevate::Shader::SetUniform3fv ( const std::string &  location, int  count, float *  value  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniform3i()

virtual void Elevate::Shader::SetUniform3i ( const std::string &  location, int  x, int  y, int  z  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniform3iv()

virtual void Elevate::Shader::SetUniform3iv ( const std::string &  location, int  count, int *  value  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniform4f() [1/2]

virtual void Elevate::Shader::SetUniform4f ( const std::string &  location, float  x, float  y, float  z, float  w  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniform4f() [2/2]

void Elevate::Shader::SetUniform4f ( const std::string &  location, glm::vec4  value  ) const

inline

Definition at line 75 of file Shader.h.

        {
            SetUniform4f(location, value.x, value.y, value.z, value.w);
        }

SetUniform4fv()

virtual void Elevate::Shader::SetUniform4fv ( const std::string &  location, int  count, float *  value  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniform4i()

virtual void Elevate::Shader::SetUniform4i ( const std::string &  location, int  x, int  y, int  z, int  w  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniform4iv()

virtual void Elevate::Shader::SetUniform4iv ( const std::string &  location, int  count, int *  value  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniformMatrix2fv() [1/2]

virtual void Elevate::Shader::SetUniformMatrix2fv ( const std::string &  location, float *  data  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniformMatrix2fv() [2/2]

void Elevate::Shader::SetUniformMatrix2fv	(	const std::string &	location,
		glm::mat2	data
	)		const

Definition at line 143 of file Shader.cpp.

    {
        SetUniformMatrix2fv(location, glm::value_ptr(data));
    }

SetUniformMatrix3fv() [1/2]

virtual void Elevate::Shader::SetUniformMatrix3fv ( const std::string &  location, float *  data  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniformMatrix3fv() [2/2]

void Elevate::Shader::SetUniformMatrix3fv	(	const std::string &	location,
		glm::mat3	data
	)		const

Definition at line 148 of file Shader.cpp.

    {
        SetUniformMatrix3fv(location, glm::value_ptr(data));
    }

SetUniformMatrix4fv() [1/2]

virtual void Elevate::Shader::SetUniformMatrix4fv ( const std::string &  location, float *  data  ) const

pure virtual

Implemented in Elevate::OpenGLShader.

SetUniformMatrix4fv() [2/2]

void Elevate::Shader::SetUniformMatrix4fv	(	const std::string &	location,
		glm::mat4	data
	)		const

Definition at line 153 of file Shader.cpp.

    {
        SetUniformMatrix4fv(location, glm::value_ptr(data));
    }

UseDirLight()

void Elevate::Shader::UseDirLight

(

DirectionalLight *

newDirLight

)

Definition at line 112 of file Shader.cpp.

    {
        UseLight(newDirLight, "dirLight");
        SetUniform3f("dirLight.direction", newDirLight->CalculateDirection());
    }

UseLight()

void Elevate::Shader::UseLight	(	Light *	newLightSetting,
		const std::string &	lightName
	)

Definition at line 104 of file Shader.cpp.

    {
        SetUniform3f(lightName + ".ambient", newLightSetting->GetAmbientColor());
        SetUniform3f(lightName + ".diffuse", newLightSetting->GetDiffuseColor());
        SetUniform3f(lightName + ".specular", newLightSetting->GetSpecularColor());
        SetUniform1f(lightName + ".intensity", newLightSetting->GetIntensity());
    }

Friends And Related Symbol Documentation

Renderer

friend class Renderer

friend

Definition at line 125 of file Shader.h.

---

The documentation for this class was generated from the following files:

• ElevateEngine/src/ElevateEngine/Renderer/Shader/Shader.h
• ElevateEngine/src/ElevateEngine/Renderer/Shader/Shader.cpp