st isCompressed = ( texture.isCompressedTexture || texture.image[ 0 ].isCompressedTexture ); const isDataTexture = ( texture.image[ 0 ] && texture.image[ 0 ].isDataTexture ); const cubeImage = []; for ( let i = 0; i < 6; i ++ ) { if ( ! isCompressed && ! isDataTexture ) { cubeImage[ i ] = resizeImage( texture.image[ i ], true, capabilities.maxCubemapSize ); } else { cubeImage[ i ] = isDataTexture ? texture.image[ i ].image : texture.image[ i ]; } cubeImage[ i ] = verifyColorSpace( texture, cubeImage[ i ] ); } const image = cubeImage[ 0 ], glFormat = utils.convert( texture.format, texture.colorSpace ), glType = utils.convert( texture.type ), glInternalFormat = getInternalFormat( texture.internalFormat, glFormat, glType, texture.normalized, texture.colorSpace ); const useTexStorage = ( texture.isVideoTexture !== true ); const allocateMemory = ( sourceProperties.__version === undefined ) || ( forceUpload === true ); const dataReady = source.dataReady; let levels = getMipLevels( texture, image ); setTextureParameters( _gl.TEXTURE_CUBE_MAP, texture ); let mipmaps; if ( isCompressed ) { if ( useTexStorage && allocateMemory ) { state.texStorage2D( _gl.TEXTURE_CUBE_MAP, levels, glInternalFormat, image.width, image.height ); } for ( let i = 0; i < 6; i ++ ) { mipmaps = cubeImage[ i ].mipmaps; for ( let j = 0; j < mipmaps.length; j ++ ) { const mipmap = mipmaps[ j ]; if ( texture.format !== RGBAFormat ) { if ( glFormat !== null ) { if ( useTexStorage ) { if ( dataReady ) { state.compressedTexSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, mipmap.data ); } } else { state.compressedTexImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, mipmap.data ); } } else { warn( 'WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()' ); } } else { if ( useTexStorage ) { if ( dataReady ) { state.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, 0, 0, mipmap.width, mipmap.height, glFormat, glType, mipmap.data ); } } else { state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j, glInternalFormat, mipmap.width, mipmap.height, 0, glFormat, glType, mipmap.data ); } } } } } else { mipmaps = texture.mipmaps; if ( useTexStorage && allocateMemory ) { // TODO: Uniformly handle mipmap definitions // Normal textures and compressed cube textures define base level + mips with their mipmap array // Uncompressed cube textures use their mipmap array only for mips (no base level) if ( mipmaps.length > 0 ) levels ++; const dimensions = getDimensions( cubeImage[ 0 ] ); state.texStorage2D( _gl.TEXTURE_CUBE_MAP, levels, glInternalFormat, dimensions.width, dimensions.height ); } for ( let i = 0; i < 6; i ++ ) { if ( isDataTexture ) { if ( useTexStorage ) { if ( dataReady ) { state.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 0, 0, cubeImage[ i ].width, cubeImage[ i ].height, glFormat, glType, cubeImage[ i ].data ); } } else { state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, cubeImage[ i ].width, cubeImage[ i ].height, 0, glFormat, glType, cubeImage[ i ].data ); } for ( let j = 0; j < mipmaps.length; j ++ ) { const mipmap = mipmaps[ j ]; const mipmapImage = mipmap.image[ i ].image; if ( useTexStorage ) { if ( dataReady ) { state.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, 0, 0, mipmapImage.width, mipmapImage.height, glFormat, glType, mipmapImage.data ); } } else { state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, glInternalFormat, mipmapImage.width, mipmapImage.height, 0, glFormat, glType, mipmapImage.data ); } } } else { if ( useTexStorage ) { if ( dataReady ) { state.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, 0, 0, glFormat, glType, cubeImage[ i ] ); } } else { state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, glInternalFormat, glFormat, glType, cubeImage[ i ] ); } for ( let j = 0; j < mipmaps.length; j ++ ) { const mipmap = mipmaps[ j ]; if ( useTexStorage ) { if ( dataReady ) { state.texSubImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, 0, 0, glFormat, glType, mipmap.image[ i ] ); } } else { state.texImage2D( _gl.TEXTURE_CUBE_MAP_POSITIVE_X + i, j + 1, glInternalFormat, glFormat, glType, mipmap.image[ i ] ); }