Baseline Widely available
WebGL API ç WebGLRenderingContext.bindFramebuffer() æ¹æ³å°ç»å®ç WebGLFramebuffer ç»å®å°ç®æ ã
void gl.bindFramebuffer(target, framebuffer);åæ°
GLenum æå®ç»å®ç¹ (ç®æ )ãå¯è½çå¼ä¸ºï¼
gl.FRAMEBUFFER: æ¶éç¨äºæ¸²æå¾åçé¢è²ï¼alphaï¼æ·±åº¦å模æ¿ç¼å²åºçç¼å²åºæ°æ®åå¨ãgl.DRAW_FRAMEBUFFER: ç¸å½äºgl.FRAMEBUFFERï¼ç¨ä½ç»å¾ï¼æ¸²æï¼æ¸
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å¼å¸¸å¦æç®æ ä¸æ¯ gl.FRAMEBUFFER ï¼gl.DRAW_FRAMEBUFFER æ gl.READ_FRAMEBUFFER ï¼åæåº gl.INVALID_ENUM é误ã
var canvas = document.getElementById("canvas");
var gl = canvas.getContext("webgl");
var framebuffer = gl.createFramebuffer();
gl.bindFramebuffer(gl.FRAMEBUFFER, framebuffer);
è¦æ£æ¥å½å帧ç¼å²åºç»å®ï¼è¯·æ¥è¯¢ FRAMEBUFFER_BINDING 常éã
gl.getParameter(gl.FRAMEBUFFER_BINDING);
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