void GLTexture::loadImpl()
{
if( mUsage & TU_RENDERTARGET )
{
createRenderTexture();
return;
}
// Now the only copy is on the stack and will be cleaned in case of
// exceptions being thrown from _loadImages
LoadedImages loadedImages = mLoadedImages;
mLoadedImages.setNull();
// Call internal _loadImages, not loadImage since that's external and
// will determine load status etc again
ConstImagePtrList imagePtrs;
for (size_t i=0 ; i<loadedImages->size() ; ++i) {
imagePtrs.push_back(&(*loadedImages)[i]);
}
_loadImages(imagePtrs);
// Generate mipmaps after all texture levels have been loaded
// This is required for compressed formats such as DXT
// If we can do automip generation and the user desires this, do so
if((mUsage & TU_AUTOMIPMAP) &&
mNumRequestedMipmaps && mMipmapsHardwareGenerated)
{
glGenerateMipmapEXT(getGLTextureTarget());
}
}
void GLES2Texture::loadImpl()
{
if (mUsage & TU_RENDERTARGET)
{
createRenderTexture();
return;
}
// Now the only copy is on the stack and will be cleaned in case of
// exceptions being thrown from _loadImages
LoadedImages loadedImages = mLoadedImages;
mLoadedImages.setNull();
// Call internal _loadImages, not loadImage since that's external and
// will determine load status etc again
ConstImagePtrList imagePtrs;
for (size_t i = 0; i < loadedImages->size(); ++i)
{
imagePtrs.push_back(&(*loadedImages)[i]);
}
_loadImages(imagePtrs);
if((mUsage & TU_AUTOMIPMAP) &&
mNumRequestedMipmaps && mMipmapsHardwareGenerated)
{
OGRE_CHECK_GL_ERROR(glGenerateMipmap(getGLES2TextureTarget()));
}
}
void GL3PlusTexture::loadImpl()
{
if (mUsage & TU_RENDERTARGET)
{
createRenderTexture();
return;
}
// Now the only copy is on the stack and will be cleaned in case of
// exceptions being thrown from _loadImages
LoadedImages loadedImages = mLoadedImages;
mLoadedImages.setNull();
// Call internal _loadImages, not loadImage since that's external and
// will determine load status etc again
ConstImagePtrList imagePtrs;
for (size_t i = 0; i < loadedImages->size(); ++i)
{
imagePtrs.push_back(&(*loadedImages)[i]);
}
_loadImages(imagePtrs);
// Generate mipmaps after all texture levels have been loaded
// This is required for compressed formats such as DXT
if (mUsage & TU_AUTOMIPMAP)
{
OGRE_CHECK_GL_ERROR(glGenerateMipmap(getGL3PlusTextureTarget()));
}
}
void GLTextureCommon::readImage(LoadedImages& imgs, const String& name, const String& ext, bool haveNPOT)
{
imgs.push_back(Image());
Image& img = imgs.back();
DataStreamPtr dstream = ResourceGroupManager::getSingleton().openResource(name, mGroup, this);
img.load(dstream, ext);
if( haveNPOT )
return;
// Scale to nearest power of 2
uint32 w = Bitwise::firstPO2From(img.getWidth());
uint32 h = Bitwise::firstPO2From(img.getHeight());
if((img.getWidth() != w) || (img.getHeight() != h))
img.resize(w, h);
}
void GLTexture::loadImpl()
{
if( mUsage & TU_RENDERTARGET )
{
createRenderTexture();
return;
}
// Now the only copy is on the stack and will be cleaned in case of
// exceptions being thrown from _loadImages
LoadedImages loadedImages = mLoadedImages;
mLoadedImages.setNull();
// Call internal _loadImages, not loadImage since that's external and
// will determine load status etc again
ConstImagePtrList imagePtrs;
for (size_t i=0 ; i<loadedImages->size() ; ++i) {
imagePtrs.push_back(&(*loadedImages)[i]);
}
_loadImages(imagePtrs);
}
