#include <OpenGLTexture.h>

Inheritance diagram for Elevate::OpenGLTexture:

Public Member Functions
	OpenGLTexture (unsigned char *data, TextureMetadata &meta)

virtual void	SetDataImpl (unsigned char *data) override

virtual void *	GetNativeHandle () const override

Public Member Functions inherited from Elevate::Texture
virtual	~Texture ()=default

void	SetData (unsigned char *data, TextureMetadata &meta)

bool	IsTextureLoaded () const

bool	MatchesPath (std::string pathToMatch)

const std::string &	GetName () const

const std::string &	GetPath () const

const uint32_t	GetWidth () const

const uint32_t	GetHeight () const

const TextureType	GetUsage () const

const TextureMetadata &	GetMetadata () const

Additional Inherited Members
Static Public Member Functions inherited from Elevate::Texture
static TexturePtr	CreateFromFile (const std::string &path, TextureType usage=TextureType::Diffuse)

static TexturePtr	CreateFromColor (const glm::vec3 &color, const std::string &name, uint32_t width=1, uint32_t height=1)

static TexturePtr	CreateFromColor (const glm::vec4 &color, const std::string &name, uint32_t width=1, uint32_t height=1)

static TexturePtr	CreateFromData (unsigned char *data, TextureMetadata &meta)

Protected Member Functions inherited from Elevate::Texture
	Texture ()=default

	Texture (TextureMetadata meta)

Protected Attributes inherited from Elevate::Texture
TextureMetadata	m_meta

Detailed Description

Definition at line 7 of file OpenGLTexture.h.

Constructor & Destructor Documentation

◆ OpenGLTexture()

Elevate::OpenGLTexture::OpenGLTexture	(	unsigned char *	data,
		TextureMetadata &	meta
	)

Definition at line 72 of file OpenGLTexture.cpp.

        : Texture(meta)
    {
        // todo get parameters for the textures
        GLCheck(glGenTextures(1, &m_textureID));
 
        Bind();
        SetDataImpl(data);
    }

Member Function Documentation

◆ GetNativeHandle()

void * Elevate::OpenGLTexture::GetNativeHandle ( ) const

overridevirtual

Implements Elevate::Texture.

Definition at line 123 of file OpenGLTexture.cpp.

    {
        return reinterpret_cast<void*>((intptr_t)m_textureID);
    }

◆ SetDataImpl()

void Elevate::OpenGLTexture::SetDataImpl ( unsigned char * data )

overridevirtual

Implements Elevate::Texture.

Definition at line 93 of file OpenGLTexture.cpp.

    {
        Bind();
        
        // set the texture wrapping parameters  
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, ToOpenGL(m_meta.WrapS));
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, ToOpenGL(m_meta.WrapT));
        // set texture filtering parameters
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, ToOpenGL(m_meta.MinFilter));
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, ToOpenGL(m_meta.MagFilter));
 
        // Swizzle if there is only a single channnel
#ifdef EE_SUPPORTS_DSA
        if (m_meta.Format == TextureFormat::GRAYSCALE) {
            GLint swizzleMask[] = { GL_RED, GL_RED, GL_RED, GL_ONE };
            glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_RGBA, swizzleMask);
        }
#endif
 
        EE_CORE_INFO("Creating Texture: ID={}, Size={}x{}, Format={}", m_textureID, m_meta.Width, m_meta.Height, (int)m_meta.Format);
 
        if (data || m_meta.Source == TextureSource::RenderTarget) 
        {
            GLCheck(glTexImage2D(GL_TEXTURE_2D, 0, ToInternalFormat(m_meta.Format), m_meta.Width, m_meta.Height, 0, ToOpenGL(m_meta.Format), ToOpenGLType(m_meta.Format), data));
 
            if (m_meta.Mipmaps)
                GLCheck(glGenerateMipmap(GL_TEXTURE_2D));
        }
    }

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

ElevateEngine/src/ElevateEngine/Renderer/OpenGL/Texture/OpenGLTexture.h
ElevateEngine/src/ElevateEngine/Renderer/OpenGL/Texture/OpenGLTexture.cpp