Muto::OpenGLRendererAPI Class Reference

An implementation of the RenderAPI for OpenGL. More...

#include <OpenGLRendererAPI.h>

Inheritance diagram for Muto::OpenGLRendererAPI:

Public Member Functions
virtual void	Clear () override
	Clears the OpenGL rendering buffers.
virtual void	DrawIndexed (const Ref< VertexArray > &vertexArray, uint32_t indexCount=0) override
	Draws indexed geometry using the provided vertex array in OpenGL.
virtual void	Init () override
	Initializes the OpenGL rendering API.
virtual void	SetClearColor (const glm::vec4 &color) override
	Sets the clear color for OpenGL.
virtual void	SetViewport (uint32_t x, uint32_t y, uint32_t width, uint32_t height) override
	Sets the viewport dimensions for OpenGL.
Public Member Functions inherited from Muto::RenderAPI
virtual	~RenderAPI ()=default

Additional Inherited Members
Public Types inherited from Muto::RenderAPI
enum class	API { RAPI_None = 0 , RAPI_OpenGL = 1 }
	API that can be used by the Renderer. More...
Static Public Member Functions inherited from Muto::RenderAPI
static API	GetAPI ()
	Returns the current rendering API.

Detailed Description

An implementation of the RenderAPI for OpenGL.

Note

Should only be called by the RenderCommand class.

Member Function Documentation

Clear()

void Muto::OpenGLRendererAPI::Clear ( )

overridevirtual

Clears the OpenGL rendering buffers.

Implements Muto::RenderAPI.

    {
        MU_PROFILE_FUNCTION();
 
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    }

DrawIndexed()

void Muto::OpenGLRendererAPI::DrawIndexed ( const Ref< VertexArray > &  vertexArray, uint32_t  indexCount = 0  )

overridevirtual

Draws indexed geometry using the provided vertex array in OpenGL.

Implements Muto::RenderAPI.

    {
        MU_PROFILE_FUNCTION();
        
        uint32_t count = indexCount ? indexCount : vertexArray->GetIndexBuffer()->GetCount();
        if (count == 0)
            return;
 
        vertexArray->Bind();
        glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_INT, nullptr);
        glBindTexture(GL_TEXTURE_2D, 0);
        vertexArray->Unbind();
    }

Init()

void Muto::OpenGLRendererAPI::Init ( )

overridevirtual

Initializes the OpenGL rendering API.

Implements Muto::RenderAPI.

    {
        glEnable(GL_BLEND);
        glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        glEnable(GL_DEPTH_TEST);
    }

SetClearColor()

void Muto::OpenGLRendererAPI::SetClearColor ( const glm::vec4 &  color )

overridevirtual

Sets the clear color for OpenGL.

Implements Muto::RenderAPI.

    {
        MU_PROFILE_FUNCTION();
 
        glClearColor(color.r, color.g, color.b, color.a);
    }

SetViewport()

void Muto::OpenGLRendererAPI::SetViewport ( uint32_t  x, uint32_t  y, uint32_t  width, uint32_t  height  )

overridevirtual

Sets the viewport dimensions for OpenGL.

Implements Muto::RenderAPI.

    {
        MU_PROFILE_FUNCTION();
 
        glViewport(x, y, width, height);
    }

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

• Muto/src/RenderAPI/OpenGL/OpenGLRendererAPI.h
• Muto/src/RenderAPI/OpenGL/OpenGLRendererAPI.cpp