Ogre::TextureUsage OgreTexture::convertUsage(TextureUsage _usage)
{
if (_usage == TextureUsage::Default)
{
return Ogre::TU_STATIC_WRITE_ONLY;
}
else if (_usage == TextureUsage::RenderTarget)
{
return Ogre::TU_RENDERTARGET;
}
else if (_usage.isValue(TextureUsage::Static))
{
if (_usage.isValue(TextureUsage::Write))
{
return Ogre::TU_STATIC_WRITE_ONLY;
}
else
{
return Ogre::TU_STATIC;
}
}
else if (_usage.isValue(TextureUsage::Dynamic))
{
if (_usage.isValue(TextureUsage::Write))
{
return Ogre::TU_DYNAMIC_WRITE_ONLY;
}
else
{
return Ogre::TU_DYNAMIC;
}
}
else if (_usage.isValue(TextureUsage::Stream))
{
if (_usage.isValue(TextureUsage::Write))
{
return Ogre::TU_DYNAMIC_WRITE_ONLY_DISCARDABLE;
}
else
{
return Ogre::TU_DYNAMIC;
}
}
return Ogre::TU_DEFAULT;
}
RenderBase::RenderResource::Usage GenesisTexture::UsageMyGuiToWj(TextureUsage usage)
{
if (usage == TextureUsage::Default)
{
return RenderBase::RenderResource::UsageImmutable;//Ogre::TU_STATIC_WRITE_ONLY;
}
else if (usage == TextureUsage::RenderTarget)
{
return RenderBase::RenderResource::UsageDynamic;//Ogre::TU_RENDERTARGET;
}
else if (usage.isValue(TextureUsage::Static))
{
if (usage.isValue(TextureUsage::Write))
{
return RenderBase::RenderResource::UsageDynamic;//Ogre::TU_STATIC_WRITE_ONLY;
}
else
{
return RenderBase::RenderResource::UsageImmutable;//Ogre::TU_STATIC;
}
}
else if (usage.isValue(TextureUsage::Dynamic))
{
if (usage.isValue(TextureUsage::Write))
{
return RenderBase::RenderResource::UsageDynamic;//Ogre::TU_DYNAMIC_WRITE_ONLY;
}
else
{
return RenderBase::RenderResource::UsageImmutable;//Ogre::TU_DYNAMIC;
}
}
else if (usage.isValue(TextureUsage::Stream))
{
if (usage.isValue(TextureUsage::Write))
{
return RenderBase::RenderResource::UsageCpu;//Ogre::TU_DYNAMIC_WRITE_ONLY_DISCARDABLE;
}
else
{
return RenderBase::RenderResource::UsageCpu;//Ogre::TU_DYNAMIC;
}
}
return RenderBase::RenderResource::UsageImmutable;//Ogre::TU_DEFAULT;
}
void OpenGLTexture::setUsage(TextureUsage _usage)
{
mAccess = 0;
mUsage = 0;
if (_usage == TextureUsage::Default)
{
mUsage = GL_STATIC_READ_ARB;
mAccess = GL_READ_ONLY_ARB;
}
else if (_usage.isValue(TextureUsage::Static))
{
if (_usage.isValue(TextureUsage::Read))
{
if (_usage.isValue(TextureUsage::Write))
{
mUsage = GL_STATIC_COPY_ARB;
mAccess = GL_READ_WRITE_ARB;
}
else
{
mUsage = GL_STATIC_READ_ARB;
mAccess = GL_READ_ONLY_ARB;
}
}
else if (_usage.isValue(TextureUsage::Write))
{
mUsage = GL_STATIC_DRAW_ARB;
mAccess = GL_WRITE_ONLY_ARB;
}
}
else if (_usage.isValue(TextureUsage::Dynamic))
{
if (_usage.isValue(TextureUsage::Read))
{
if (_usage.isValue(TextureUsage::Write))
{
mUsage = GL_DYNAMIC_COPY_ARB;
mAccess = GL_READ_WRITE_ARB;
}
else
{
mUsage = GL_DYNAMIC_READ_ARB;
mAccess = GL_READ_ONLY_ARB;
}
}
else if (_usage.isValue(TextureUsage::Write))
{
mUsage = GL_DYNAMIC_DRAW_ARB;
mAccess = GL_WRITE_ONLY_ARB;
}
}
else if (_usage.isValue(TextureUsage::Stream))
{
if (_usage.isValue(TextureUsage::Read))
{
if (_usage.isValue(TextureUsage::Write))
{
mUsage = GL_STREAM_COPY_ARB;
mAccess = GL_READ_WRITE_ARB;
}
else
{
mUsage = GL_STREAM_READ_ARB;
mAccess = GL_READ_ONLY_ARB;
}
}
else if (_usage.isValue(TextureUsage::Write))
{
mUsage = GL_STREAM_DRAW_ARB;
mAccess = GL_WRITE_ONLY_ARB;
}
}
}
