add support for specifying the desired mipmap level of a cube to render into.

bhouston · bhouston · commit 2e8c40dd1d7d · 2016-03-11T08:54:09.000-05:00
diff --git a/src/renderers/WebGLRenderTargetCube.js b/src/renderers/WebGLRenderTargetCube.js
@@ -7,6 +7,7 @@ THREE.WebGLRenderTargetCube = function ( width, height, options ) {
 	THREE.WebGLRenderTarget.call( this, width, height, options );
 
 	this.activeCubeFace = 0; // PX 0, NX 1, PY 2, NY 3, PZ 4, NZ 5
+	this.activeMipMapLevel = 0;
 
 };
 
diff --git a/src/renderers/WebGLRenderer.js b/src/renderers/WebGLRenderer.js
@@ -3391,7 +3391,7 @@ THREE.WebGLRenderer = function ( parameters ) {
 		if ( isCube ) {
 
 			var textureProperties = properties.get( renderTarget.texture );
-			_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, 0 );
+			_gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel );
 
 		}
 

Original file line number	Diff line number	Diff line change
`@@ -3391,7 +3391,7 @@ THREE.WebGLRenderer = function ( parameters ) {`
`3391`	`3391`	`if ( isCube ) {`
`3392`	`3392`
`3393`	`3393`	`var textureProperties = properties.get( renderTarget.texture );`
`3394`		`- _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, 0 );`
	`3394`	`+ _gl.framebufferTexture2D( _gl.FRAMEBUFFER, _gl.COLOR_ATTACHMENT0, _gl.TEXTURE_CUBE_MAP_POSITIVE_X + renderTarget.activeCubeFace, textureProperties.__webglTexture, renderTarget.activeMipMapLevel );`
`3395`	`3395`
`3396`	`3396`	`}`
`3397`	`3397`