From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001 From: Peter Bengtsson Date: Tue, 8 Dec 2020 14:40:17 -0500 Subject: initial commit --- .../getprograminfolog/index.html | 80 ++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 files/zh-cn/web/api/webglrenderingcontext/getprograminfolog/index.html (limited to 'files/zh-cn/web/api/webglrenderingcontext/getprograminfolog') diff --git a/files/zh-cn/web/api/webglrenderingcontext/getprograminfolog/index.html b/files/zh-cn/web/api/webglrenderingcontext/getprograminfolog/index.html new file mode 100644 index 0000000000..8ba38fdf5e --- /dev/null +++ b/files/zh-cn/web/api/webglrenderingcontext/getprograminfolog/index.html @@ -0,0 +1,80 @@ +--- +title: WebGLRenderingContext.getProgramInfoLog() +slug: Web/API/WebGLRenderingContext/getProgramInfoLog +translation_of: Web/API/WebGLRenderingContext/getProgramInfoLog +--- +
{{APIRef("WebGL")}}
+ +

WebGLRenderingContext.getProgramInfoLog  返回参数中指定的{{domxref("WebGLProgram")}} object 的信息. 这些信息包括在linking过程中的错误以及 WebGLProgram objects 合法性检查的错误.

+ +

Syntax

+ +
gl.getProgramInfoLog(program);
+ +

Parameters

+ +
+
program
+
A {{domxref("WebGLProgram")}} to query.
+
+ +

Return value

+ +

返回 {{domxref("DOMString")}} 包含 diagnostic , warning ...等等关于上一次linking和valiadation操作的信息. 对于刚刚创建的{{domxref("WebGLProgram")}} object , 返回一个空字符串.

+ +

Examples

+ +

Checking program errors

+ +
var canvas = document.getElementsById('canvas');
+var gl = canvas.getContext('webgl');
+var program = gl.createProgram();
+
+//vsSource is the source-code-string of vertex-shader
+//fsSource is the source-code-string of fragment-shader
+var vertexShader = loadShader(gl, gl.VERTEX_SHADER, vsSource);
+var fragmentShader = loadShader(gl, gl.FRAGMENT_SHADER, fsSource);
+
+// Attach pre-existing shaders
+gl.attachShader(program, vertexShader);
+gl.attachShader(program, fragmentShader);
+
+gl.linkProgram(program);
+
+gl.getProgramInfoLog(program);
+
+ +

Specifications

+ + + + + + + + + + + + + + + + + + + +
SpecificationStatusComment
{{SpecName('WebGL', "#5.14.9", "getProgramInfoLog")}}{{Spec2('WebGL')}}Initial definition.
{{SpecName('OpenGL ES 2.0', "glGetProgramInfoLog.xml", "glGetProgramInfoLog")}}{{Spec2('OpenGL ES 2.0')}}Man page of the OpenGL API.
+ +

Browser compatibility

+ + + +

{{Compat("api.WebGLRenderingContext.getProgramInfoLog")}}

+ +

See also

+ + -- cgit v1.2.3-54-g00ecf