cache, v ); } } function setValueV4ui( gl, v ) { const cache = this.cache; if ( v.x !== undefined ) { if ( cache[ 0 ] !== v.x || cache[ 1 ] !== v.y || cache[ 2 ] !== v.z || cache[ 3 ] !== v.w ) { gl.uniform4ui( this.addr, v.x, v.y, v.z, v.w ); cache[ 0 ] = v.x; cache[ 1 ] = v.y; cache[ 2 ] = v.z; cache[ 3 ] = v.w; } } else { if ( arraysEqual( cache, v ) ) return; gl.uniform4uiv( this.addr, v ); copyArray( cache, v ); } } // Single texture (2D / Cube) function setValueT1( gl, v, textures ) { const cache = this.cache; const unit = textures.allocateTextureUnit(); if ( cache[ 0 ] !== unit ) { gl.uniform1i( this.addr, unit ); cache[ 0 ] = unit; } let emptyTexture2D; if ( this.type === gl.SAMPLER_2D_SHADOW ) { emptyShadowTexture.compareFunction = textures.isReversedDepthBuffer() ? GreaterEqualCompare : LessEqualCompare; emptyTexture2D = emptyShadowTexture; } else { emptyTexture2D = emptyTexture; } textures.setTexture2D( v || emptyTexture2D, unit ); } function setValueT3D1( gl, v, textures ) { const cache = this.cache; const unit = textures.allocateTextureUnit(); if ( cache[ 0 ] !== unit ) { gl.uniform1i( this.addr, unit ); cache[ 0 ] = unit; } textures.setTexture3D( v || empty3dTexture, unit ); } function setValueT6( gl, v, textures ) { const cache = this.cache; const unit = textures.allocateTextureUnit(); if ( cache[ 0 ] !== unit ) { gl.uniform1i( this.addr, unit ); cache[ 0 ] = unit; } textures.setTextureCube( v || emptyCubeTexture, unit ); } function setValueT2DArray1( gl, v, textures ) { const cache = this.cache; const unit = textures.allocateTextureUnit(); if ( cache[ 0 ] !== unit ) { gl.uniform1i( this.addr, unit ); cache[ 0 ] = unit; } textures.setTexture2DArray( v || emptyArrayTexture, unit ); } // Helper to pick the right setter for the singular case function getSingularSetter( type ) { switch ( type ) { case 0x1406: return setValueV1f; // FLOAT case 0x8b50: return setValueV2f; // _VEC2 case 0x8b51: return setValueV3f; // _VEC3 case 0x8b52: return setValueV4f; // _VEC4 case 0x8b5a: return setValueM2; // _MAT2 case 0x8b5b: return setValueM3; // _MAT3 case 0x8b5c: return setValueM4; // _MAT4 case 0x1404: case 0x8b56: return setValueV1i; // INT, BOOL case 0x8b53: case 0x8b57: return setValueV2i; // _VEC2 case 0x8b54: case 0x8b58: return setValueV3i; // _VEC3 case 0x8b55: case 0x8b59: return setValueV4i; // _VEC4 case 0x1405: return setValueV1ui; // UINT case 0x8dc6: return setValueV2ui; // _VEC2 case 0x8dc7: return setValueV3ui; // _VEC3 case 0x8dc8: return setValueV4ui; // _VEC4 case 0x8b5e: // SAMPLER_2D case 0x8d66: // SAMPLER_EXTERNAL_OES case 0x8dca: // INT_SAMPLER_2D case 0x8dd2: // UNSIGNED_INT_SAMPLER_2D case 0x8b62: // SAMPLER_2D_SHADOW return setValueT1; case 0x8b5f: // SAMPLER_3D case 0x8dcb: // INT_SAMPLER_3D case 0x8dd3: // UNSIGNED_INT_SAMPLER_3D return setValueT3D1; case 0x8b60: // SAMPLER_CUBE case 0x8dcc: // INT_SAMPLER_CUBE case 0x8dd4: // UNSIGNED_INT_SAMPLER_CUBE case 0x8dc5: // SAMPLER_CUBE_SHADOW return setValueT6; case 0x8dc1: // SAMPLER_2D_ARRAY case 0x8dcf: // INT_SAMPLER_2D_ARRAY case 0x8dd7: // UNSIGNED_INT_SAMPLER_2D_ARRAY case 0x8dc4: // SAMPLER_2D_ARRAY_SHADOW return setValueT2DArray1; } } // Array of scalars function setValueV1fArray( gl, v ) { gl.uniform1fv( this.addr, v ); } // Array of vectors (from flat array or array of THREE.VectorN) function setValueV2fArray( gl, v ) { const data = flatten( v, this.size, 2 ); gl.uniform2fv( this.addr, data ); } function setValueV3fArray( gl, v ) { const data = flatten( v, this.size, 3 ); gl.uniform3fv( this.addr, data ); } function setValueV4fArray( gl, v ) { const data = flatten( v, this.size, 4 ); gl.uniform4fv( this.addr, data ); } // Array of matrices (from flat array or array of THREE.MatrixN) function setValueM2Array( gl, v ) { const data = flatten( v, this.size, 4 ); gl.uniformMatrix2fv( this.addr, false, data ); } function setValueM3Array( gl, v ) { const data = flatten( v, this.size, 9 ); gl.uniformMatrix3fv( this.addr, false, data ); } function setValueM4Array( gl, v ) { const data = flatten( v, this.size, 16 ); gl.uniformMatrix4fv( this.addr, false, data ); } // Array of integer / boolean function setValueV1iArray( gl, v ) { gl.uniform1iv( this.addr, v ); } // Array of integer / boolean vectors (from flat array) function setValueV2iArray( gl, v ) { gl.uniform2iv( this.addr, v ); } function setValueV3iArray( gl, v ) { gl.uniform3iv( this.addr, v ); } function setValueV4iArray( gl, v ) { gl.uniform4iv( this.addr, v ); } // Array of unsigned integer function setValueV1uiArray( gl, v ) { gl.uniform1uiv( this.addr, v ); } // Array of unsigned integer vectors (from flat array) function setValue