void GLTexture::prepareImpl()
{
if( mUsage & TU_RENDERTARGET ) return;
String baseName, ext;
size_t pos = mName.find_last_of(".");
baseName = mName.substr(0, pos);
if( pos != String::npos )
ext = mName.substr(pos+1);
LoadedImages loadedImages = LoadedImages(new vector<Image>::type());
if(mTextureType == TEX_TYPE_1D || mTextureType == TEX_TYPE_2D ||
mTextureType == TEX_TYPE_3D)
{
do_image_io(mName, mGroup, ext, *loadedImages, this);
// If this is a cube map, set the texture type flag accordingly.
if ((*loadedImages)[0].hasFlag(IF_CUBEMAP))
mTextureType = TEX_TYPE_CUBE_MAP;
// If this is a volumetric texture set the texture type flag accordingly.
if((*loadedImages)[0].getDepth() > 1)
mTextureType = TEX_TYPE_3D;
}
else if (mTextureType == TEX_TYPE_CUBE_MAP)
{
if(getSourceFileType() == "dds")
{
// XX HACK there should be a better way to specify whether
// all faces are in the same file or not
do_image_io(mName, mGroup, ext, *loadedImages, this);
}
else
{
vector<Image>::type images(6);
ConstImagePtrList imagePtrs;
static const String suffixes[6] = {"_rt", "_lf", "_up", "_dn", "_fr", "_bk"};
for(size_t i = 0; i < 6; i++)
{
String fullName = baseName + suffixes[i];
if (!ext.empty())
fullName = fullName + "." + ext;
// find & load resource data intro stream to allow resource
// group changes if required
do_image_io(fullName,mGroup,ext,*loadedImages,this);
}
}
}
else
OGRE_EXCEPT( Exception::ERR_NOT_IMPLEMENTED, "**** Unknown texture type ****", "GLTexture::prepare" );
mLoadedImages = loadedImages;
}
void GLESTexture::prepareImpl()
{
if (mUsage & TU_RENDERTARGET) return;
String baseName, ext;
size_t pos = mName.find_last_of(".");
baseName = mName.substr(0, pos);
if (pos != String::npos)
{
ext = mName.substr(pos+1);
}
LoadedImages loadedImages = LoadedImages(new std::vector<Image>());
if (mTextureType == TEX_TYPE_2D)
{
doImageIO(mName, mGroup, ext, *loadedImages, this);
// If this is a volumetric texture set the texture type flag accordingly.
if ((*loadedImages)[0].getDepth() > 1)
{
OGRE_EXCEPT(Exception::ERR_NOT_IMPLEMENTED,
"**** Unsupported 3D texture type ****",
"GLESTexture::prepare" );
}
// If PVRTC and 0 custom mipmap disable auto mip generation and disable software mipmap creation
PixelFormat imageFormat = (*loadedImages)[0].getFormat();
if (imageFormat == PF_PVRTC_RGB2 || imageFormat == PF_PVRTC_RGBA2 ||
imageFormat == PF_PVRTC_RGB4 || imageFormat == PF_PVRTC_RGBA4)
{
size_t imageMips = (*loadedImages)[0].getNumMipmaps();
if (imageMips == 0)
{
mNumMipmaps = mNumRequestedMipmaps = imageMips;
// Disable flag for auto mip generation
mUsage &= ~TU_AUTOMIPMAP;
}
}
}
else
{
OGRE_EXCEPT(Exception::ERR_NOT_IMPLEMENTED,
"**** Unknown texture type ****",
"GLESTexture::prepare");
}
mLoadedImages = loadedImages;
}
void GLES2Texture::prepareImpl()
{
if (mUsage & TU_RENDERTARGET) return;
String baseName, ext;
size_t pos = mName.find_last_of(".");
baseName = mName.substr(0, pos);
if (pos != String::npos)
{
ext = mName.substr(pos+1);
}
LoadedImages loadedImages = LoadedImages(new vector<Image>::type());
if (mTextureType == TEX_TYPE_1D || mTextureType == TEX_TYPE_2D ||
mTextureType == TEX_TYPE_2D_ARRAY || mTextureType == TEX_TYPE_3D)
{
doImageIO(mName, mGroup, ext, *loadedImages, this);
// If this is a volumetric texture set the texture type flag accordingly.
// If this is a cube map, set the texture type flag accordingly.
if ((*loadedImages)[0].hasFlag(IF_CUBEMAP))
mTextureType = TEX_TYPE_CUBE_MAP;
// If this is a volumetric texture set the texture type flag accordingly.
if((*loadedImages)[0].getDepth() > 1 && mTextureType != TEX_TYPE_2D_ARRAY)
mTextureType = TEX_TYPE_3D;
// If PVRTC and 0 custom mipmap disable auto mip generation and disable software mipmap creation
if (PixelUtil::isCompressed((*loadedImages)[0].getFormat()))
{
size_t imageMips = (*loadedImages)[0].getNumMipmaps();
if (imageMips == 0)
{
mNumMipmaps = mNumRequestedMipmaps = imageMips;
// Disable flag for auto mip generation
mUsage &= ~TU_AUTOMIPMAP;
}
}
}
else if (mTextureType == TEX_TYPE_CUBE_MAP)
{
if(getSourceFileType() == "dds")
{
// XX HACK there should be a better way to specify whether
// all faces are in the same file or not
doImageIO(mName, mGroup, ext, *loadedImages, this);
}
else
{
vector<Image>::type images(6);
ConstImagePtrList imagePtrs;
static const String suffixes[6] = {"_rt", "_lf", "_up", "_dn", "_fr", "_bk"};
for(size_t i = 0; i < 6; i++)
{
String fullName = baseName + suffixes[i];
if (!ext.empty())
fullName = fullName + "." + ext;
// find & load resource data intro stream to allow resource
// group changes if required
doImageIO(fullName, mGroup, ext, *loadedImages, this);
}
}
}
else
{
OGRE_EXCEPT(Exception::ERR_NOT_IMPLEMENTED,
"**** Unknown texture type ****",
"GLES2Texture::prepare");
}
mLoadedImages = loadedImages;
}
