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<html lang="en"> <head><meta charset="utf-8"><title>glAlphaFunc - OpenGL 3 - docs.gl</title><link rel="shortcut icon" href="/favicon.ico"><script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script><link rel="stylesheet" href="../jquery-ui.css"><script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.11.1/jquery-ui.min.js"></script><script src="../jquery-bonsai/jquery.bonsai.js"></script><link href="../jquery-bonsai/jquery.bonsai.css" rel="stylesheet" type="text/css"><script src="../jquery-cookie/jquery.cookie.js"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js?config=MML_HTMLorMML"></script><link href="../style.css" rel="stylesheet" type="text/css"><link id="pagestyle" href="../style_light.css" rel="stylesheet" type="text/css"><script>
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  </script><script src="../docs.gl.search.js"></script><script src="../docs.gl.js"></script></head> <body> <div class="header-bg"> <div class="toggle-container"><a href="#" id="style_light">Light</a> | <a href="#" id="style_dark">Dark</a></div> <div class="header-container"> <div class="header-inner"> <a href="/"><h1 class="header-logo">docs.<span class="thicken">GL</span></h1></a> <input id="search" placeholder="search" size="50"><input id="search_button" type="submit" value="Go"> <span style="clear:both;"></span> </div> </div> </div> <div id="everything"> <div id="toc"> <div id="versions_container"> <select id="versions_dropdown"><option class="versions_option" value="gl21">OpenGL 2.1</option><option class="versions_option" value="gl30">OpenGL 3.0</option><option class="versions_option" value="gl31">OpenGL 3.1</option><option class="versions_option" value="gl32">OpenGL 3.2</option><option class="versions_option" value="gl33" selected>OpenGL 3.3</option><option class="versions_option" value="gl40">OpenGL 4.0</option><option class="versions_option" value="gl41">OpenGL 4.1</option><option class="versions_option" value="gl42">OpenGL 4.2</option><option class="versions_option" value="gl43">OpenGL 4.3</option><option class="versions_option" value="gl44">OpenGL 4.4</option><option class="versions_option" value="gl45">OpenGL 4.5</option><option class="versions_option" value="es20">OpenGL ES 2.0</option><option class="versions_option" value="es30">OpenGL ES 3.0</option><option class="versions_option" value="es31">OpenGL ES 3.1</option><option class="versions_option" value="sl40">GLSL 4.0</option><option class="versions_option" value="sl41">GLSL 4.1</option><option class="versions_option" value="sl42">GLSL 4.2</option><option class="versions_option" value="sl43">GLSL 4.3</option><option class="versions_option" value="sl44">GLSL 4.4</option><option class="versions_option" value="sl45">GLSL 4.5</option><option class="versions_option" value="el30">GLSL ES 3.0</option><option class="versions_option" value="el31">GLSL ES 3.1</option></select> </div> <input id="hide_deprecated" type="checkbox"> <label id="hide_label" for="hide_deprecated">Hide unavailable</label> <ul id="command_categories"><li class="category es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">Textures<ul><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glActiveTexture</a></li><li><a class="rewritelink command es31 gl42 gl43 gl44 gl45">glBindImageTexture</a></li><li><a class="rewritelink command gl44 gl45">glBindImageTextures</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glBindTexture</a></li><li><a class="rewritelink command gl45">glBindTextureUnit</a></li><li><a class="rewritelink command gl44 gl45">glBindTextures</a></li><li><a class="rewritelink command gl44 gl45">glClearTexImage</a></li><li><a class="rewritelink command gl44 gl45">glClearTexSubImage</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glCompressedTexImage1D</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glCompressedTexImage2D</a></li><li><a class="rewritelink command es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glCompressedTexImage3D</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glCompressedTexSubImage1D</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glCompressedTexSubImage2D</a></li><li><a class="rewritelink command es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glCompressedTexSubImage3D</a></li><li><a class="rewritelink command gl43 gl44 gl45">glCopyImageSubData</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glCopyTexImage1D</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glCopyTexImage2D</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glCopyTexSubImage1D</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glCopyTexSubImage2D</a></li><li><a class="rewritelink command es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glCopyTexSubImage3D</a></li><li><a class="rewritelink command gl45">glCreateTextures</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDeleteTextures</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGenTextures</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45 gl45">glGetCompressedTexImage</a></li><li><a class="rewritelink command gl45">glGetCompressedTextureSubImage</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45 gl45">glGetTexImage</a></li><li><a class="rewritelink command es31 es31 gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31 gl32 gl32 gl33 gl33 gl40 gl40 gl41 gl41 gl42 gl42 gl43 gl43 gl44 gl44 gl45 gl45 gl45 gl45">glGetTexLevelParameter</a></li><li><a class="rewritelink command es20 es20 es30 es30 es31 es31 gl20 gl20 gl21 gl21 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl32 gl32 gl32 gl32 gl33 gl33 gl33 gl33 gl40 gl40 gl40 gl40 gl41 gl41 gl41 gl41 gl42 gl42 gl42 gl42 gl43 gl43 gl43 gl43 gl44 gl44 gl44 gl44 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45">glGetTexParameter</a></li><li><a class="rewritelink command gl45">glGetTextureSubImage</a></li><li><a class="rewritelink command gl43 gl44 gl45">glInvalidateTexImage</a></li><li><a class="rewritelink command gl43 gl44 gl45">glInvalidateTexSubImage</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glIsTexture</a></li><li><a class="rewritelink command gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glTexBuffer</a></li><li><a class="rewritelink command gl43 gl44 gl45 gl45">glTexBufferRange</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glTexImage1D</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glTexImage2D</a></li><li><a class="rewritelink command gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glTexImage2DMultisample</a></li><li><a class="rewritelink command es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glTexImage3D</a></li><li><a class="rewritelink command gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glTexImage3DMultisample</a></li><li><a class="rewritelink command es20 es20 es20 es20 es30 es30 es30 es30 es31 es31 es31 es31 gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl31 gl31 gl32 gl32 gl32 gl32 gl32 gl32 gl33 gl33 gl33 gl33 gl33 gl33 gl40 gl40 gl40 gl40 gl40 gl40 gl41 gl41 gl41 gl41 gl41 gl41 gl42 gl42 gl42 gl42 gl42 gl42 gl43 gl43 gl43 gl43 gl43 gl43 gl44 gl44 gl44 gl44 gl44 gl44 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45">glTexParameter</a></li><li><a class="rewritelink command gl42 gl43 gl44 gl45 gl45">glTexStorage1D</a></li><li><a class="rewritelink command es30 es31 gl42 gl43 gl44 gl45 gl45">glTexStorage2D</a></li><li><a class="rewritelink command es31 gl43 gl44 gl45 gl45">glTexStorage2DMultisample</a></li><li><a class="rewritelink command es30 es31 gl42 gl43 gl44 gl45 gl45">glTexStorage3D</a></li><li><a class="rewritelink command gl43 gl44 gl45 gl45">glTexStorage3DMultisample</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glTexSubImage1D</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glTexSubImage2D</a></li><li><a class="rewritelink command es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glTexSubImage3D</a></li><li><a class="rewritelink command gl43 gl44 gl45">glTextureView</a></li></ul></li><li class="category es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">Rendering<ul><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glClear</a></li><li><a class="rewritelink command es30 es30 es30 es30 es31 es31 es31 es31 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl32 gl32 gl32 gl32 gl33 gl33 gl33 gl33 gl40 gl40 gl40 gl40 gl41 gl41 gl41 gl41 gl42 gl42 gl42 gl42 gl43 gl43 gl43 gl43 gl44 gl44 gl44 gl44 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45">glClearBuffer</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glClearColor</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl41 gl42 gl42 gl43 gl43 gl44 gl44 gl45 gl45">glClearDepth</a></li><li><a class="rewritelink command es20 es30 es31">glClearDepthf</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glClearStencil</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glDrawBuffer</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glFinish</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glFlush</a></li><li><a class="rewritelink command es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glReadBuffer</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glReadPixels</a></li></ul></li><li class="category es20 es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl20 gl21">Frame Buffers<ul><li><a class="rewritelink command es20 es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glBindFramebuffer</a></li><li><a class="rewritelink command es20 es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glBindRenderbuffer</a></li><li><a class="rewritelink command es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glBlitFramebuffer</a></li><li><a class="rewritelink command es20 es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glCheckFramebufferStatus</a></li><li><a class="rewritelink command gl45">glCreateFramebuffers</a></li><li><a class="rewritelink command gl45">glCreateRenderbuffers</a></li><li><a class="rewritelink command es20 es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDeleteFramebuffers</a></li><li><a class="rewritelink command es20 es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDeleteRenderbuffers</a></li><li><a class="rewritelink command es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glDrawBuffers</a></li><li><a class="rewritelink command es31 gl43 gl44 gl45 gl45">glFramebufferParameteri</a></li><li><a class="rewritelink command es20 es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glFramebufferRenderbuffer</a></li><li><a class="rewritelink command gl30 gl30 gl30 gl31 gl31 gl31 gl32 gl32 gl32 gl33 gl33 gl33 gl40 gl40 gl40 gl41 gl41 gl41 gl42 gl42 gl42 gl43 gl43 gl43 gl44 gl44 gl44 gl45 gl45 gl45 gl45">glFramebufferTexture</a></li><li><a class="rewritelink command es20 es30 es31">glFramebufferTexture2D</a></li><li><a class="rewritelink command es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glFramebufferTextureLayer</a></li><li><a class="rewritelink command es20 es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGenFramebuffers</a></li><li><a class="rewritelink command es20 es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGenRenderbuffers</a></li><li><a class="rewritelink command es20 es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glGenerateMipmap</a></li><li><a class="rewritelink command gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glGetFramebufferAttachmentParameter</a></li><li><a class="rewritelink command es20 es30 es31">glGetFramebufferAttachmentParameteriv</a></li><li><a class="rewritelink command gl43 gl44 gl45">glGetFramebufferParameter</a></li><li><a class="rewritelink command es31">glGetFramebufferParameteriv</a></li><li><a class="rewritelink command gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glGetRenderbufferParameter</a></li><li><a class="rewritelink command es20 es30 es31">glGetRenderbufferParameteriv</a></li><li><a class="rewritelink command es30 es31 gl43 gl44 gl45 gl45 gl45">glInvalidateFramebuffer</a></li><li><a class="rewritelink command es30 es31 gl43 gl44 gl45">glInvalidateSubFramebuffer</a></li><li><a class="rewritelink command es20 es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glIsFramebuffer</a></li><li><a class="rewritelink command es20 es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glIsRenderbuffer</a></li><li><a class="rewritelink command es20 es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glRenderbufferStorage</a></li><li><a class="rewritelink command es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glRenderbufferStorageMultisample</a></li><li><a class="rewritelink command es31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glSampleMaski</a></li></ul></li><li class="category es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">Shaders<ul><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glAttachShader</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glBindAttribLocation</a></li><li><a class="rewritelink command gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glBindFragDataLocation</a></li><li><a class="rewritelink command gl33 gl40 gl41 gl42 gl43 gl44 gl45">glBindFragDataLocationIndexed</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glCompileShader</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glCreateProgram</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glCreateShader</a></li><li><a class="rewritelink command es31 gl41 gl42 gl43 gl44 gl45">glCreateShaderProgram</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDeleteProgram</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDeleteShader</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDetachShader</a></li><li><a class="rewritelink command gl42 gl43 gl44 gl45">glGetActiveAtomicCounterBufferiv</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetActiveAttrib</a></li><li><a class="rewritelink command gl40 gl41 gl42 gl43 gl44 gl45">glGetActiveSubroutineName</a></li><li><a class="rewritelink command gl40 gl41 gl42 gl43 gl44 gl45">glGetActiveSubroutineUniform</a></li><li><a class="rewritelink command gl40 gl41 gl42 gl43 gl44 gl45">glGetActiveSubroutineUniformName</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetActiveUniform</a></li><li><a class="rewritelink command gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetActiveUniformBlock</a></li><li><a class="rewritelink command es30 es31 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetActiveUniformBlockName</a></li><li><a class="rewritelink command es30 es31">glGetActiveUniformBlockiv</a></li><li><a class="rewritelink command gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetActiveUniformName</a></li><li><a class="rewritelink command es30 es31 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetActiveUniformsiv</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetAttachedShaders</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetAttribLocation</a></li><li><a class="rewritelink command gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetFragDataIndex</a></li><li><a class="rewritelink command es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetFragDataLocation</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetProgram</a></li><li><a class="rewritelink command es30 es31 gl41 gl42 gl43 gl44 gl45">glGetProgramBinary</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetProgramInfoLog</a></li><li><a class="rewritelink command es31 gl43 gl44 gl45">glGetProgramResource</a></li><li><a class="rewritelink command es31 gl43 gl44 gl45">glGetProgramResourceIndex</a></li><li><a class="rewritelink command es31 gl43 gl44 gl45">glGetProgramResourceLocation</a></li><li><a class="rewritelink command gl43 gl44 gl45">glGetProgramResourceLocationIndex</a></li><li><a class="rewritelink command es31 gl43 gl44 gl45">glGetProgramResourceName</a></li><li><a class="rewritelink command gl40 gl41 gl42 gl43 gl44 gl45">glGetProgramStage</a></li><li><a class="rewritelink command es20 es30 es31">glGetProgramiv</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetShader</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetShaderInfoLog</a></li><li><a class="rewritelink command es20 es30 es31 gl41 gl42 gl43 gl44 gl45">glGetShaderPrecisionFormat</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetShaderSource</a></li><li><a class="rewritelink command es20 es30 es31">glGetShaderiv</a></li><li><a class="rewritelink command gl40 gl41 gl42 gl43 gl44 gl45">glGetSubroutineIndex</a></li><li><a class="rewritelink command gl40 gl41 gl42 gl43 gl44 gl45">glGetSubroutineUniformLocation</a></li><li><a class="rewritelink command es20 es20 es30 es30 es30 es31 es31 es31 gl20 gl20 gl21 gl21 gl30 gl30 gl30 gl31 gl31 gl31 gl32 gl32 gl32 gl33 gl33 gl33 gl40 gl40 gl40 gl40 gl41 gl41 gl41 gl41 gl42 gl42 gl42 gl42 gl43 gl43 gl43 gl43 gl44 gl44 gl44 gl44 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45">glGetUniform</a></li><li><a class="rewritelink command es30 es31 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetUniformBlockIndex</a></li><li><a class="rewritelink command es30 es31 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetUniformIndices</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetUniformLocation</a></li><li><a class="rewritelink command gl40 gl41 gl42 gl43 gl44 gl45">glGetUniformSubroutine</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glIsProgram</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glIsShader</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glLinkProgram</a></li><li><a class="rewritelink command gl40 gl41 gl42 gl43 gl44 gl45">glMinSampleShading</a></li><li><a class="rewritelink command es30 es31 gl41 gl42 gl43 gl44 gl45">glProgramBinary</a></li><li><a class="rewritelink command gl41 gl42 gl43 gl44 gl45">glProgramParameter</a></li><li><a class="rewritelink command es30 es31">glProgramParameteri</a></li><li><a class="rewritelink command es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45">glProgramUniform</a></li><li><a class="rewritelink command es20 es30 es31 gl41 gl42 gl43 gl44 gl45">glReleaseShaderCompiler</a></li><li><a class="rewritelink command es20 es30 es31 gl41 gl42 gl43 gl44 gl45">glShaderBinary</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glShaderSource</a></li><li><a class="rewritelink command gl43 gl44 gl45">glShaderStorageBlockBinding</a></li><li><a class="rewritelink command es20 es20 es20 es20 es20 es20 es20 es20 es20 es20 es20 es20 es20 es20 es20 es20 es20 es20 es20 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45">glUniform</a></li><li><a class="rewritelink command es30 es31 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glUniformBlockBinding</a></li><li><a class="rewritelink command gl40 gl41 gl42 gl43 gl44 gl45">glUniformSubroutines</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glUseProgram</a></li><li><a class="rewritelink command es31 gl41 gl42 gl43 gl44 gl45">glUseProgramStages</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glValidateProgram</a></li></ul></li><li class="category es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">Buffer Objects<ul><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glBindBuffer</a></li><li><a class="rewritelink command es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glBindBufferBase</a></li><li><a class="rewritelink command es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glBindBufferRange</a></li><li><a class="rewritelink command gl44 gl45">glBindBuffersBase</a></li><li><a class="rewritelink command gl44 gl45">glBindBuffersRange</a></li><li><a class="rewritelink command es31 gl43 gl44 gl45 gl45">glBindVertexBuffer</a></li><li><a class="rewritelink command gl44 gl45 gl45">glBindVertexBuffers</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glBufferData</a></li><li><a class="rewritelink command gl44 gl45 gl45">glBufferStorage</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glBufferSubData</a></li><li><a class="rewritelink command gl43 gl44 gl45 gl45">glClearBufferData</a></li><li><a class="rewritelink command gl43 gl44 gl45 gl45">glClearBufferSubData</a></li><li><a class="rewritelink command es30 es31 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glCopyBufferSubData</a></li><li><a class="rewritelink command gl45">glCreateBuffers</a></li><li><a class="rewritelink command gl45">glCreateVertexArrays</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDeleteBuffers</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glDisableVertexAttribArray</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDrawArrays</a></li><li><a class="rewritelink command es31 gl40 gl41 gl42 gl43 gl44 gl45">glDrawArraysIndirect</a></li><li><a class="rewritelink command es30 es31 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDrawArraysInstanced</a></li><li><a class="rewritelink command gl42 gl43 gl44 gl45">glDrawArraysInstancedBaseInstance</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDrawElements</a></li><li><a class="rewritelink command gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDrawElementsBaseVertex</a></li><li><a class="rewritelink command es31 gl40 gl41 gl42 gl43 gl44 gl45">glDrawElementsIndirect</a></li><li><a class="rewritelink command es30 es31 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDrawElementsInstanced</a></li><li><a class="rewritelink command gl42 gl43 gl44 gl45">glDrawElementsInstancedBaseInstance</a></li><li><a class="rewritelink command gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDrawElementsInstancedBaseVertex</a></li><li><a class="rewritelink command gl42 gl43 gl44 gl45">glDrawElementsInstancedBaseVertexBaseInstance</a></li><li><a class="rewritelink command es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDrawRangeElements</a></li><li><a class="rewritelink command gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDrawRangeElementsBaseVertex</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glEnableVertexAttribArray</a></li><li><a class="rewritelink command es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glFlushMappedBufferRange</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGenBuffers</a></li><li><a class="rewritelink command es30 es31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45 gl45">glGetBufferParameter</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glGetBufferParameteriv</a></li><li><a class="rewritelink command es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glGetBufferPointerv</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glGetBufferSubData</a></li><li><a class="rewritelink command gl45 gl45">glGetVertexArrayIndexed</a></li><li><a class="rewritelink command gl45">glGetVertexArrayiv</a></li><li><a class="rewritelink command es20 es20 es30 es30 es30 es30 es31 es31 es31 es31 gl20 gl20 gl20 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl31 gl32 gl32 gl32 gl32 gl32 gl33 gl33 gl33 gl33 gl33 gl40 gl40 gl40 gl40 gl40 gl41 gl41 gl41 gl41 gl41 gl41 gl42 gl42 gl42 gl42 gl42 gl42 gl43 gl43 gl43 gl43 gl43 gl43 gl44 gl44 gl44 gl44 gl44 gl44 gl45 gl45 gl45 gl45 gl45 gl45">glGetVertexAttrib</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetVertexAttribPointerv</a></li><li><a class="rewritelink command gl43 gl44 gl45">glInvalidateBufferData</a></li><li><a class="rewritelink command gl43 gl44 gl45">glInvalidateBufferSubData</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glIsBuffer</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glMapBuffer</a></li><li><a class="rewritelink command es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glMapBufferRange</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glMultiDrawArrays</a></li><li><a class="rewritelink command gl43 gl44 gl45">glMultiDrawArraysIndirect</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glMultiDrawElements</a></li><li><a class="rewritelink command gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glMultiDrawElementsBaseVertex</a></li><li><a class="rewritelink command gl43 gl44 gl45">glMultiDrawElementsIndirect</a></li><li><a class="rewritelink command gl40 gl40 gl41 gl41 gl42 gl42 gl43 gl43 gl44 gl44 gl45 gl45">glPatchParameter</a></li><li><a class="rewritelink command gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glPrimitiveRestartIndex</a></li><li><a class="rewritelink command gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glProvokingVertex</a></li><li><a class="rewritelink command es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 gl45">glUnmapBuffer</a></li><li><a class="rewritelink command gl45">glVertexArrayElementBuffer</a></li><li><a class="rewritelink command es20 es20 es20 es20 es20 es20 es20 es20 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es30 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 es31 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45">glVertexAttrib</a></li><li><a class="rewritelink command es31 gl43 gl44 gl45 gl45">glVertexAttribBinding</a></li><li><a class="rewritelink command es30 es31 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glVertexAttribDivisor</a></li><li><a class="rewritelink command es31 es31 gl43 gl43 gl43 gl44 gl44 gl44 gl45 gl45 gl45 gl45 gl45 gl45">glVertexAttribFormat</a></li><li><a class="rewritelink command es20 es30 es30 es31 es31 gl20 gl21 gl30 gl30 gl31 gl31 gl32 gl32 gl33 gl33 gl40 gl40 gl41 gl41 gl41 gl42 gl42 gl42 gl43 gl43 gl43 gl44 gl44 gl44 gl45 gl45 gl45">glVertexAttribPointer</a></li><li><a class="rewritelink command es31 gl43 gl44 gl45 gl45">glVertexBindingDivisor</a></li></ul></li><li class="category es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">State Management<ul><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glBlendColor</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl40 gl41 gl41 gl42 gl42 gl43 gl43 gl44 gl44 gl45 gl45">glBlendEquation</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl40 gl41 gl41 gl42 gl42 gl43 gl43 gl44 gl44 gl45 gl45">glBlendEquationSeparate</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl40 gl41 gl41 gl42 gl42 gl43 gl43 gl44 gl44 gl45 gl45">glBlendFunc</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl40 gl41 gl41 gl42 gl42 gl43 gl43 gl44 gl44 gl45 gl45">glBlendFuncSeparate</a></li><li><a class="rewritelink command gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glClampColor</a></li><li><a class="rewritelink command gl45">glClipControl</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl30 gl31 gl31 gl32 gl32 gl33 gl33 gl40 gl40 gl41 gl41 gl42 gl42 gl43 gl43 gl44 gl44 gl45 gl45">glColorMask</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glCullFace</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDepthFunc</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDepthMask</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl41 gl42 gl42 gl43 gl43 gl44 gl44 gl45 gl45">glDepthRange</a></li><li><a class="rewritelink command gl41 gl42 gl43 gl44 gl45">glDepthRangeArray</a></li><li><a class="rewritelink command gl41 gl42 gl43 gl44 gl45">glDepthRangeIndexed</a></li><li><a class="rewritelink command es20 es30 es31">glDepthRangef</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl30 gl31 gl31 gl32 gl32 gl33 gl33 gl40 gl40 gl41 gl41 gl42 gl42 gl43 gl43 gl44 gl44 gl45 gl45">glDisable</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl30 gl31 gl31 gl32 gl32 gl33 gl33 gl40 gl40 gl41 gl41 gl42 gl42 gl43 gl43 gl44 gl44 gl45 gl45">glEnable</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glFrontFace</a></li><li><a class="rewritelink command es20 es20 es20 es30 es30 es30 es30 es30 es30 es31 es31 es31 es31 es31 es31 es31 gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl31 gl31 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl32 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl33 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl40 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl41 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl42 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl43 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl44 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45 gl45">glGet</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetError</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glHint</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl30 gl31 gl31 gl32 gl32 gl33 gl33 gl40 gl40 gl41 gl41 gl42 gl42 gl43 gl43 gl44 gl44 gl45 gl45">glIsEnabled</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glLineWidth</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glLogicOp</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31 gl32 gl32 gl33 gl33 gl40 gl40 gl41 gl41 gl42 gl42 gl43 gl43 gl44 gl44 gl45 gl45">glPixelStore</a></li><li><a class="rewritelink command es20 es30 es31">glPixelStorei</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl32 gl32 gl32 gl32 gl33 gl33 gl33 gl33 gl40 gl40 gl40 gl40 gl41 gl41 gl41 gl41 gl42 gl42 gl42 gl42 gl43 gl43 gl43 gl43 gl44 gl44 gl44 gl44 gl45 gl45 gl45 gl45">glPointParameter</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glPointSize</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glPolygonMode</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glPolygonOffset</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glSampleCoverage</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glScissor</a></li><li><a class="rewritelink command gl41 gl42 gl43 gl44 gl45">glScissorArray</a></li><li><a class="rewritelink command gl41 gl41 gl42 gl42 gl43 gl43 gl44 gl44 gl45 gl45">glScissorIndexed</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glStencilFunc</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glStencilFuncSeparate</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glStencilMask</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glStencilMaskSeparate</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glStencilOp</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glStencilOpSeparate</a></li><li><a class="rewritelink command es20 es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glViewport</a></li><li><a class="rewritelink command gl41 gl42 gl43 gl44 gl45">glViewportArray</a></li><li><a class="rewritelink command gl41 gl41 gl42 gl42 gl43 gl43 gl44 gl44 gl45 gl45">glViewportIndexed</a></li></ul></li><li class="category es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">Transform Feedback<ul><li><a class="rewritelink command es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glBeginTransformFeedback</a></li><li><a class="rewritelink command es30 es31 gl40 gl41 gl42 gl43 gl44 gl45">glBindTransformFeedback</a></li><li><a class="rewritelink command gl45">glCreateTransformFeedbacks</a></li><li><a class="rewritelink command es30 es31 gl40 gl41 gl42 gl43 gl44 gl45">glDeleteTransformFeedbacks</a></li><li><a class="rewritelink command gl40 gl41 gl42 gl43 gl44 gl45">glDrawTransformFeedback</a></li><li><a class="rewritelink command gl42 gl43 gl44 gl45">glDrawTransformFeedbackInstanced</a></li><li><a class="rewritelink command gl40 gl41 gl42 gl43 gl44 gl45">glDrawTransformFeedbackStream</a></li><li><a class="rewritelink command gl42 gl43 gl44 gl45">glDrawTransformFeedbackStreamInstanced</a></li><li><a class="rewritelink command es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glEndTransformFeedback</a></li><li><a class="rewritelink command es30 es31 gl40 gl41 gl42 gl43 gl44 gl45">glGenTransformFeedbacks</a></li><li><a class="rewritelink command gl45 gl45 gl45">glGetTransformFeedback</a></li><li><a class="rewritelink command es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetTransformFeedbackVarying</a></li><li><a class="rewritelink command es30 es31 gl40 gl41 gl42 gl43 gl44 gl45">glIsTransformFeedback</a></li><li><a class="rewritelink command es30 es31 gl40 gl41 gl42 gl43 gl44 gl45">glPauseTransformFeedback</a></li><li><a class="rewritelink command es30 es31 gl40 gl41 gl42 gl43 gl44 gl45">glResumeTransformFeedback</a></li><li><a class="rewritelink command gl45">glTransformFeedbackBufferBase</a></li><li><a class="rewritelink command gl45">glTransformFeedbackBufferRange</a></li><li><a class="rewritelink command es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glTransformFeedbackVaryings</a></li></ul></li><li class="category es31 gl43 gl44 gl45 gl42 es30 gl32 gl33 gl40 gl41 es20 gl20 gl21 gl30 gl31">Utility<ul><li><a class="rewritelink command es31 gl43 gl44 gl45">glDispatchCompute</a></li><li><a class="rewritelink command es31 gl43 gl44 gl45">glDispatchComputeIndirect</a></li><li><a class="rewritelink command gl45">glGetGraphicsResetStatus</a></li><li><a class="rewritelink command gl42 gl43 gl43 gl44 gl44 gl45 gl45">glGetInternalformat</a></li><li><a class="rewritelink command es30 es31">glGetInternalformativ</a></li><li><a class="rewritelink command gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetMultisample</a></li><li><a class="rewritelink command es31">glGetMultisamplefv</a></li><li><a class="rewritelink command es20 es30 es30 es31 es31 gl20 gl21 gl30 gl30 gl31 gl31 gl32 gl32 gl33 gl33 gl40 gl40 gl41 gl41 gl42 gl42 gl43 gl43 gl44 gl44 gl45 gl45">glGetString</a></li><li><a class="rewritelink command es31 es31 gl42 gl43 gl44 gl45 gl45">glMemoryBarrier</a></li></ul></li><li class="category gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45 es30 es31 gl20 gl21">Queries<ul><li><a class="rewritelink command gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glBeginConditionalRender</a></li><li><a class="rewritelink command es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glBeginQuery</a></li><li><a class="rewritelink command gl40 gl41 gl42 gl43 gl44 gl45">glBeginQueryIndexed</a></li><li><a class="rewritelink command gl45">glCreateQueries</a></li><li><a class="rewritelink command es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDeleteQueries</a></li><li><a class="rewritelink command gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glEndConditionalRender</a></li><li><a class="rewritelink command es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glEndQuery</a></li><li><a class="rewritelink command gl40 gl41 gl42 gl43 gl44 gl45">glEndQueryIndexed</a></li><li><a class="rewritelink command es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGenQueries</a></li><li><a class="rewritelink command gl40 gl41 gl42 gl43 gl44 gl45">glGetQueryIndexed</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31 gl32 gl32 gl33 gl33 gl33 gl33 gl40 gl40 gl40 gl40 gl41 gl41 gl41 gl41 gl42 gl42 gl42 gl42 gl43 gl43 gl43 gl43 gl44 gl44 gl44 gl44 gl45 gl45 gl45 gl45">glGetQueryObject</a></li><li><a class="rewritelink command es30 es31">glGetQueryObjectuiv</a></li><li><a class="rewritelink command es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetQueryiv</a></li><li><a class="rewritelink command es30 es31 gl20 gl21 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glIsQuery</a></li><li><a class="rewritelink command gl33 gl40 gl41 gl42 gl43 gl44 gl45">glQueryCounter</a></li></ul></li><li class="category es30 es31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">Syncing<ul><li><a class="rewritelink command es30 es31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glClientWaitSync</a></li><li><a class="rewritelink command es30 es31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDeleteSync</a></li><li><a class="rewritelink command es30 es31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glFenceSync</a></li><li><a class="rewritelink command gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGetSync</a></li><li><a class="rewritelink command es30 es31">glGetSynciv</a></li><li><a class="rewritelink command es30 es31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glIsSync</a></li><li><a class="rewritelink command gl45">glTextureBarrier</a></li><li><a class="rewritelink command es30 es31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glWaitSync</a></li></ul></li><li class="category es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">Vertex Array Objects<ul><li><a class="rewritelink command es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glBindVertexArray</a></li><li><a class="rewritelink command es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDeleteVertexArrays</a></li><li><a class="rewritelink command es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGenVertexArrays</a></li><li><a class="rewritelink command es30 es31 gl30 gl31 gl32 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glIsVertexArray</a></li></ul></li><li class="category es30 es31 gl33 gl40 gl41 gl42 gl43 gl44 gl45">Samplers<ul><li><a class="rewritelink command es30 es31 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glBindSampler</a></li><li><a class="rewritelink command gl44 gl45">glBindSamplers</a></li><li><a class="rewritelink command gl45">glCreateSamplers</a></li><li><a class="rewritelink command es30 es31 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glDeleteSamplers</a></li><li><a class="rewritelink command es30 es31 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glGenSamplers</a></li><li><a class="rewritelink command es30 es30 es31 es31 gl33 gl33 gl33 gl33 gl40 gl40 gl40 gl40 gl41 gl41 gl41 gl41 gl42 gl42 gl42 gl42 gl43 gl43 gl43 gl43 gl44 gl44 gl44 gl44 gl45 gl45 gl45 gl45">glGetSamplerParameter</a></li><li><a class="rewritelink command es30 es31 gl33 gl40 gl41 gl42 gl43 gl44 gl45">glIsSampler</a></li><li><a class="rewritelink command es30 es30 es30 es30 es31 es31 es31 es31 gl33 gl33 gl33 gl33 gl33 gl33 gl40 gl40 gl40 gl40 gl40 gl40 gl41 gl41 gl41 gl41 gl41 gl41 gl42 gl42 gl42 gl42 gl42 gl42 gl43 gl43 gl43 gl43 gl43 gl43 gl44 gl44 gl44 gl44 gl44 gl44 gl45 gl45 gl45 gl45 gl45 gl45">glSamplerParameter</a></li></ul></li><li class="category es31 gl41 gl42 gl43 gl44 gl45">Program Pipelines<ul><li><a class="rewritelink command es31 gl41 gl42 gl43 gl44 gl45">glActiveShaderProgram</a></li><li><a class="rewritelink command es31 gl41 gl42 gl43 gl44 gl45">glBindProgramPipeline</a></li><li><a class="rewritelink command gl45">glCreateProgramPipelines</a></li><li><a class="rewritelink command es31 gl41 gl42 gl43 gl44 gl45">glDeleteProgramPipelines</a></li><li><a class="rewritelink command es31 gl41 gl42 gl43 gl44 gl45">glGenProgramPipelines</a></li><li><a class="rewritelink command es31 gl41 gl42 gl43 gl44 gl45">glGetProgramPipeline</a></li><li><a class="rewritelink command es31 gl41 gl42 gl43 gl44 gl45">glGetProgramPipelineInfoLog</a></li><li><a class="rewritelink command es31 gl41 gl42 gl43 gl44 gl45">glIsProgramPipeline</a></li><li><a class="rewritelink command es31 gl41 gl42 gl43 gl44 gl45">glValidateProgramPipeline</a></li></ul></li><li class="category gl20 gl21 gl30 gl31">Immediate Mode<ul><li><a class="rewritelink command gl20 gl21 gl30 gl31">glArrayElement</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glBegin</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31">glColor</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glEnd</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31">glEvalCoord</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31">glEvalMesh</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31">glEvalPoint</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31">glFogCoord</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31">glIndex</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31">glMaterial</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31">glMultiTexCoord</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31">glNormal</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31">glSecondaryColor</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31">glTexCoord</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31">glVertex</a></li></ul></li><li class="category gl20 gl21 gl30 gl31">GL2 Rasterization<ul><li><a class="rewritelink command gl20 gl21 gl30 gl31">glBitmap</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glClearIndex</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glClipPlane</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glCopyPixels</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glDrawPixels</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glFeedbackBuffer</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31">glFog</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glGetClipPlane</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl21 gl21 gl21 gl30 gl30 gl30 gl31 gl31 gl31">glGetMap</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl21 gl21 gl21 gl30 gl30 gl30 gl31 gl31 gl31">glGetPixelMap</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glGetPolygonStipple</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glInitNames</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glLineStipple</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glLoadName</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31">glMap1</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31">glMap2</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31">glMapGrid</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glPassThrough</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glPixelZoom</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glPolygonStipple</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glPopName</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glPushName</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31">glRasterPos</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31">glRect</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glRenderMode</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glSelectBuffer</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31 gl31">glWindowPos</a></li></ul></li><li class="category gl20 gl21 gl30 gl31">Client Arrays<ul><li><a class="rewritelink command gl20 gl21 gl30 gl31">glColorPointer</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glDisableClientState</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glEnableClientState</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glFogCoordPointer</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glIndexPointer</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glInterleavedArrays</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glNormalPointer</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glPopClientAttrib</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glPushClientAttrib</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glSecondaryColorPointer</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glTexCoordPointer</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glVertexPointer</a></li></ul></li><li class="category open_me gl20 gl21 gl30 gl31">Fixed Function<ul><li><a class="rewritelink command gl20 gl21 gl30 gl31">glAccum</a></li><li><a class="rewritelink command current gl20 gl21 gl30 gl31">glAlphaFunc</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glClearAccum</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glColorMaterial</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31">glEdgeFlag</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glEdgeFlagPointer</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31">glGetLight</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31">glGetMaterial</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31">glGetTexEnv</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl21 gl21 gl21 gl30 gl30 gl30 gl31 gl31 gl31">glGetTexGen</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glIndexMask</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31">glLight</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31">glLightModel</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glPopAttrib</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glPushAttrib</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glShadeModel</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31">glTexEnv</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl20 gl20 gl20 gl21 gl21 gl21 gl21 gl21 gl21 gl30 gl30 gl30 gl30 gl30 gl30 gl31 gl31 gl31 gl31 gl31 gl31">glTexGen</a></li></ul></li><li class="category gl20 gl21 gl30 gl31">Matrix State<ul><li><a class="rewritelink command gl20 gl21 gl30 gl31">glFrustum</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glLoadIdentity</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31">glLoadMatrix</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31">glLoadTransposeMatrix</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glMatrixMode</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31">glMultMatrix</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31">glMultTransposeMatrix</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glOrtho</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glPopMatrix</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glPushMatrix</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31">glRotate</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31">glScale</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31">glTranslate</a></li></ul></li><li class="category gl20 gl21 gl30 gl31">GL2 Textures<ul><li><a class="rewritelink command gl20 gl21 gl30 gl31">glAreTexturesResident</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glClientActiveTexture</a></li><li><a class="rewritelink command gl20 gl20 gl20 gl21 gl21 gl21 gl30 gl30 gl30 gl31 gl31 gl31">glPixelMap</a></li><li><a class="rewritelink command gl20 gl20 gl21 gl21 gl30 gl30 gl31 gl31">glPixelTransfer</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glPrioritizeTextures</a></li></ul></li><li class="category gl20 gl21 gl30 gl31">Call Lists<ul><li><a class="rewritelink command gl20 gl21 gl30 gl31">glCallList</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glCallLists</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glDeleteLists</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glEndList</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glGenLists</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glIsList</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glListBase</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31">glNewList</a></li></ul></li><li class="category gl43 gl44 gl45 gl20 gl21 gl30 gl31 es31">Debug<ul><li><a class="rewritelink command gl43 gl44 gl45">glDebugMessageCallback</a></li><li><a class="rewritelink command gl43 gl44 gl45">glDebugMessageControl</a></li><li><a class="rewritelink command gl43 gl44 gl45">glDebugMessageInsert</a></li><li><a class="rewritelink command gl43 gl44 gl45">glGetDebugMessageLog</a></li><li><a class="rewritelink command gl43 gl44 gl45">glGetObjectLabel</a></li><li><a class="rewritelink command gl43 gl44 gl45">glGetObjectPtrLabel</a></li><li><a class="rewritelink command gl20 gl21 gl30 gl31 gl43 gl44 gl45">glGetPointerv</a></li><li><a class="rewritelink command es31 gl43 gl44 gl45">glGetProgramInterface</a></li><li><a class="rewritelink command gl43 gl44 gl45">glObjectLabel</a></li><li><a class="rewritelink command gl43 gl44 gl45">glObjectPtrLabel</a></li><li><a class="rewritelink command gl43 gl44 gl45">glPopDebugGroup</a></li><li><a class="rewritelink command gl43 gl44 gl45">glPushDebugGroup</a></li></ul></li></ul> <ul id="glsl_command_categories"><li class="category el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">Trigonometry<ul><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">acos</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">acosh</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">asin</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">asinh</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">atan</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">atanh</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">cos</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">cosh</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">degrees</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">radians</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">sin</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">sinh</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">tan</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">tanh</a></li></ul></li><li class="category el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">Mathematics<ul><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">abs</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">ceil</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">clamp</a></li><li><a class="rewritelink command el30 el30 el30 el31 el31 el31 sl33 sl33 sl33 sl40 sl40 sl40 sl41 sl41 sl41 sl42 sl42 sl42 sl43 sl43 sl43 sl44 sl44 sl44 sl45 sl45 sl45">dFdx</a></li><li><a class="rewritelink command el30 el30 el30 el31 el31 el31 sl33 sl33 sl33 sl40 sl40 sl40 sl41 sl41 sl41 sl42 sl42 sl42 sl43 sl43 sl43 sl44 sl44 sl44 sl45 sl45 sl45">dFdy</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">exp</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">exp2</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">floor</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">floor</a></li><li><a class="rewritelink command el31 sl40 sl41 sl42 sl43 sl44 sl45">fma</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">fract</a></li><li><a class="rewritelink command el30 el30 el30 el31 el31 el31 sl33 sl33 sl33 sl40 sl40 sl40 sl41 sl41 sl41 sl42 sl42 sl42 sl43 sl43 sl43 sl44 sl44 sl44 sl45 sl45 sl45">fwidth</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">inversesqrt</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">isinf</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">isnan</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">log</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">log2</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">max</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">min</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">mix</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">mod</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">modf</a></li><li><a class="rewritelink command sl33 sl33 sl33 sl33 sl33 sl40 sl40 sl40 sl40 sl40 sl41 sl41 sl41 sl41 sl41 sl42 sl42 sl42 sl42 sl42 sl43 sl43 sl43 sl43 sl43 sl44 sl44 sl44 sl44 sl44 sl45 sl45 sl45 sl45 sl45">noise</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">pow</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">round</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">roundEven</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">sign</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">smoothstep</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">sqrt</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">step</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">trunc</a></li></ul></li><li class="category el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">Floating-Point<ul><li><a class="rewritelink command el30 el30 el31 el31 sl33 sl33 sl40 sl40 sl41 sl41 sl42 sl42 sl43 sl43 sl44 sl44 sl45 sl45">floatBitsToInt</a></li><li><a class="rewritelink command el31 sl40 sl41 sl42 sl43 sl44 sl45">frexp</a></li><li><a class="rewritelink command el30 el30 el31 el31 sl33 sl33 sl40 sl40 sl41 sl41 sl42 sl42 sl43 sl43 sl44 sl44 sl45 sl45">intBitsToFloat</a></li><li><a class="rewritelink command el31 sl40 sl41 sl42 sl43 sl44 sl45">ldexp</a></li><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">packDouble2x32</a></li><li><a class="rewritelink command el30 el31 sl42 sl43 sl44 sl45">packHalf2x16</a></li><li><a class="rewritelink command el30 el30 el30 el30 el31 el31 el31 el31 sl41 sl41 sl41 sl41 sl42 sl42 sl42 sl42 sl43 sl43 sl43 sl43 sl44 sl44 sl44 sl44 sl45 sl45 sl45 sl45">packUnorm</a></li><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">unpackDouble2x32</a></li><li><a class="rewritelink command el30 el31 sl42 sl43 sl44 sl45">unpackHalf2x16</a></li><li><a class="rewritelink command el30 el30 el30 el30 el31 el31 el31 el31 sl41 sl41 sl41 sl41 sl42 sl42 sl42 sl42 sl43 sl43 sl43 sl43 sl44 sl44 sl44 sl44 sl45 sl45 sl45 sl45">unpackUnorm</a></li></ul></li><li class="category sl33 sl40 sl41 sl42 sl43 sl44 sl45 el30 el31">Built-In Variables<ul><li><a class="rewritelink command sl33 sl40 sl41 sl42 sl43 sl44 sl45">gl_ClipDistance</a></li><li><a class="rewritelink command sl45">gl_CullDistance</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">gl_FragCoord</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">gl_FragDepth</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">gl_FrontFacing</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">gl_GlobalInvocationID</a></li><li><a class="rewritelink command sl45">gl_HelperInvocation</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">gl_InstanceID</a></li><li><a class="rewritelink command sl33 sl40 sl41 sl42 sl43 sl44 sl45">gl_InvocationID</a></li><li><a class="rewritelink command sl33 sl40 sl41 sl42 sl43 sl44 sl45">gl_Layer</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">gl_LocalInvocationID</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">gl_LocalInvocationIndex</a></li><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">gl_NumSamples</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">gl_NumWorkGroups</a></li><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">gl_PatchVerticesIn</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">gl_PointCoord</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">gl_PointSize</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">gl_Position</a></li><li><a class="rewritelink command sl33 sl40 sl41 sl42 sl43 sl44 sl45">gl_PrimitiveID</a></li><li><a class="rewritelink command sl33 sl40 sl41 sl42 sl43 sl44 sl45">gl_PrimitiveIDIn</a></li><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">gl_SampleID</a></li><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">gl_SampleMask</a></li><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">gl_SampleMaskIn</a></li><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">gl_SamplePosition</a></li><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">gl_TessCoord</a></li><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">gl_TessLevelInner</a></li><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">gl_TessLevelOuter</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">gl_VertexID</a></li><li><a class="rewritelink command sl33 sl40 sl41 sl42 sl43 sl44 sl45">gl_ViewportIndex</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">gl_WorkGroupID</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">gl_WorkGroupSize</a></li></ul></li><li class="category el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">Vector<ul><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">cross</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">distance</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">dot</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">equal</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">faceforward</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">length</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">normalize</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">notEqual</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">reflect</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">refract</a></li></ul></li><li class="category el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">Component Comparison<ul><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">all</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">any</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">greaterThan</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">greaterThanEqual</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">lessThan</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">lessThanEqual</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">not</a></li></ul></li><li class="category sl40 sl41 sl42 sl43 sl44 sl45 sl33">Geometry Shader<ul><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">EmitStreamVertex</a></li><li><a class="rewritelink command sl33 sl40 sl41 sl42 sl43 sl44 sl45">EmitVertex</a></li><li><a class="rewritelink command sl33 sl40 sl41 sl42 sl43 sl44 sl45">EndPrimitive</a></li><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">EndStreamPrimitive</a></li></ul></li><li class="category sl40 sl41 sl42 sl43 sl44 sl45 el30 el31 sl33">Texture Sampling<ul><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">interpolateAtCentroid</a></li><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">interpolateAtOffset</a></li><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">interpolateAtSample</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">texelFetch</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">texelFetchOffset</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">texture</a></li><li><a class="rewritelink command el31 sl40 sl41 sl42 sl43 sl44 sl45">textureGather</a></li><li><a class="rewritelink command el31 sl40 sl41 sl42 sl43 sl44 sl45">textureGatherOffset</a></li><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">textureGatherOffsets</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">textureGrad</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">textureGradOffset</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">textureLod</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">textureLodOffset</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">textureOffset</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">textureProj</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">textureProjGrad</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">textureProjGradOffset</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">textureProjLod</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">textureProjLodOffset</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">textureProjOffset</a></li><li><a class="rewritelink command sl43 sl44 sl45">textureQueryLevels</a></li><li><a class="rewritelink command sl40 sl41 sl42 sl43 sl44 sl45">textureQueryLod</a></li><li><a class="rewritelink command sl45">textureSamples</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">textureSize</a></li></ul></li><li class="category el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">Matrix<ul><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">determinant</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">groupMemoryBarrier</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">inverse</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">matrixCompMult</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">outerProduct</a></li><li><a class="rewritelink command el30 el31 sl33 sl40 sl41 sl42 sl43 sl44 sl45">transpose</a></li></ul></li><li class="category el31 sl40 sl41 sl42 sl43 sl44 sl45">Integer<ul><li><a class="rewritelink command el31 sl40 sl41 sl42 sl43 sl44 sl45">bitCount</a></li><li><a class="rewritelink command el31 sl40 sl41 sl42 sl43 sl44 sl45">bitfieldExtract</a></li><li><a class="rewritelink command el31 sl40 sl41 sl42 sl43 sl44 sl45">bitfieldInsert</a></li><li><a class="rewritelink command el31 sl40 sl41 sl42 sl43 sl44 sl45">bitfieldReverse</a></li><li><a class="rewritelink command el31 sl40 sl41 sl42 sl43 sl44 sl45">findLSB</a></li><li><a class="rewritelink command el31 sl40 sl41 sl42 sl43 sl44 sl45">findMSB</a></li><li><a class="rewritelink command el31 sl40 sl41 sl42 sl43 sl44 sl45">uaddCarry</a></li><li><a class="rewritelink command el31 sl40 sl41 sl42 sl43 sl44 sl45">umulExtended</a></li><li><a class="rewritelink command el31 sl40 sl41 sl42 sl43 sl44 sl45">usubBorrow</a></li></ul></li><li class="category el31 sl42 sl43 sl44 sl45">Image<ul><li><a class="rewritelink command el31 sl42 sl43 sl44 sl45">imageAtomicAdd</a></li><li><a class="rewritelink command el31 sl42 sl43 sl44 sl45">imageAtomicAnd</a></li><li><a class="rewritelink command el31 sl42 sl43 sl44 sl45">imageAtomicCompSwap</a></li><li><a class="rewritelink command el31 sl42 sl43 sl44 sl45">imageAtomicExchange</a></li><li><a class="rewritelink command el31 sl42 sl43 sl44 sl45">imageAtomicMax</a></li><li><a class="rewritelink command el31 sl42 sl43 sl44 sl45">imageAtomicMin</a></li><li><a class="rewritelink command el31 sl42 sl43 sl44 sl45">imageAtomicOr</a></li><li><a class="rewritelink command el31 sl42 sl43 sl44 sl45">imageAtomicXor</a></li><li><a class="rewritelink command el31 sl42 sl43 sl44 sl45">imageLoad</a></li><li><a class="rewritelink command sl45">imageSamples</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">imageSize</a></li><li><a class="rewritelink command el31 sl42 sl43 sl44 sl45">imageStore</a></li></ul></li><li class="category el31 sl43 sl44 sl45 sl42">Atomic<ul><li><a class="rewritelink command el31 sl43 sl44 sl45">atomicAdd</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">atomicAnd</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">atomicCompSwap</a></li><li><a class="rewritelink command el31 sl42 sl43 sl44 sl45">atomicCounter</a></li><li><a class="rewritelink command el31 sl42 sl43 sl44 sl45">atomicCounterDecrement</a></li><li><a class="rewritelink command el31 sl42 sl43 sl44 sl45">atomicCounterIncrement</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">atomicExchange</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">atomicMax</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">atomicMin</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">atomicOr</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">atomicXor</a></li></ul></li><li class="category el31 sl40 sl41 sl42 sl43 sl44 sl45">Memory Barrier<ul><li><a class="rewritelink command el31 sl40 sl41 sl42 sl43 sl44 sl45">barrier</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">groupMemoryBarrier</a></li><li><a class="rewritelink command el31 sl40 sl41 sl42 sl43 sl44 sl45">memoryBarrier</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">memoryBarrierAtomicCounter</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">memoryBarrierBuffer</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">memoryBarrierImage</a></li><li><a class="rewritelink command el31 sl43 sl44 sl45">memoryBarrierShared</a></li></ul></li></ul> </div> <div id="khronos"> <div id="command_versions"><a class="current" href="../gl3/glAlphaFunc">OpenGL 3</a><br><a href="../gl2/glAlphaFunc">OpenGL 2</a><br></div> <h1 id="command_title">glAlphaFunc</h1> <div class="refentry" lang="en" xml:lang="en"><a id="glAlphaFunc"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glAlphaFunc &#8212; specify the alpha test function</p></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><table><tr><td><code class="funcdef">void <b class="fsfunc">glAlphaFunc</b>(</code></td><td>GLenum </td><td><var class="pdparam">func</var>, </td></tr><tr><td> </td><td>GLclampf </td><td><var class="pdparam">ref</var><code>)</code>;</td></tr></table></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="parameters"></a><h2>Parameters</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>func</code></em></span></dt><dd><p> Specifies the alpha comparison function. Symbolic constants <code class="constant">GL_NEVER</code>, <code class="constant">GL_LESS</code>, <code class="constant">GL_EQUAL</code>, <code class="constant">GL_LEQUAL</code>, <code class="constant">GL_GREATER</code>, <code class="constant">GL_NOTEQUAL</code>, <code class="constant">GL_GEQUAL</code>, and <code class="constant">GL_ALWAYS</code> are accepted. The initial value is <code class="constant">GL_ALWAYS</code>. </p></dd><dt><span class="term"><em class="parameter"><code>ref</code></em></span></dt><dd><p> Specifies the reference value that incoming alpha values are compared to. This value is clamped to the range <math overflow="scroll"> <mfenced open="[" close="]"> <mn>0</mn> <mn>1</mn> </mfenced> </math>, where 0 represents the lowest possible alpha value and 1 the highest possible value. The initial reference value is 0. </p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p> The alpha test discards fragments depending on the outcome of a comparison between an incoming fragment's alpha value and a constant reference value. <code class="function">glAlphaFunc</code> specifies the reference value and the comparison function. The comparison is performed only if alpha testing is enabled. By default, it is not enabled. (See <a class="citerefentry" href="glEnable"><span class="citerefentry"><span class="refentrytitle">glEnable</span></span></a> and <a class="citerefentry" href="glDisable"><span class="citerefentry"><span class="refentrytitle">glDisable</span></span></a> of <code class="constant">GL_ALPHA_TEST</code>.) </p><p> <em class="parameter"><code>func</code></em> and <em class="parameter"><code>ref</code></em> specify the conditions under which the pixel is drawn. The incoming alpha value is compared to <em class="parameter"><code>ref</code></em> using the function specified by <em class="parameter"><code>func</code></em>. If the value passes the comparison, the incoming fragment is drawn if it also passes subsequent stencil and depth buffer tests. If the value fails the comparison, no change is made to the frame buffer at that pixel location. The comparison functions are as follows: </p><div class="variablelist"><dl><dt><span class="term"><code class="constant">GL_NEVER</code></span></dt><dd><p> Never passes. </p></dd><dt><span class="term"><code class="constant">GL_LESS</code></span></dt><dd><p> Passes if the incoming alpha value is less than the reference value. </p></dd><dt><span class="term"><code class="constant">GL_EQUAL</code></span></dt><dd><p> Passes if the incoming alpha value is equal to the reference value. </p></dd><dt><span class="term"><code class="constant">GL_LEQUAL</code></span></dt><dd><p> Passes if the incoming alpha value is less than or equal to the reference value. </p></dd><dt><span class="term"><code class="constant">GL_GREATER</code></span></dt><dd><p> Passes if the incoming alpha value is greater than the reference value. </p></dd><dt><span class="term"><code class="constant">GL_NOTEQUAL</code></span></dt><dd><p> Passes if the incoming alpha value is not equal to the reference value. </p></dd><dt><span class="term"><code class="constant">GL_GEQUAL</code></span></dt><dd><p> Passes if the incoming alpha value is greater than or equal to the reference value. </p></dd><dt><span class="term"><code class="constant">GL_ALWAYS</code></span></dt><dd><p> Always passes (initial value). </p></dd></dl></div><p> <code class="function">glAlphaFunc</code> operates on all pixel write operations, including those resulting from the scan conversion of points, lines, polygons, and bitmaps, and from pixel draw and copy operations. <code class="function">glAlphaFunc</code> does not affect screen clear operations. </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="notes"></a><h2>Notes</h2><p> Alpha testing is performed only in RGBA mode. </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="errors"></a><h2>Errors</h2><p> <code class="constant">GL_INVALID_ENUM</code> is generated if <em class="parameter"><code>func</code></em> is not an accepted value. </p><p> <code class="constant">GL_INVALID_OPERATION</code> is generated if <code class="function">glAlphaFunc</code> is executed between the execution of <a class="citerefentry" href="glBegin"><span class="citerefentry"><span class="refentrytitle">glBegin</span></span></a> and the corresponding execution of <a class="citerefentry" href="glEnd"><span class="citerefentry"><span class="refentrytitle">glEnd</span></span></a>. </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="associatedgets"></a><h2>Associated Gets</h2><p> <a class="citerefentry" href="glGet"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_ALPHA_TEST_FUNC</code> </p><p> <a class="citerefentry" href="glGet"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_ALPHA_TEST_REF</code> </p><p> <a class="citerefentry" href="glIsEnabled"><span class="citerefentry"><span class="refentrytitle">glIsEnabled</span></span></a> with argument <code class="constant">GL_ALPHA_TEST</code> </p></div> <div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p> <a class="citerefentry" href="glBlendFunc"><span class="citerefentry"><span class="refentrytitle">glBlendFunc</span></span></a>, <a class="citerefentry" href="glClear"><span class="citerefentry"><span class="refentrytitle">glClear</span></span></a>, <a class="citerefentry" href="glDepthFunc"><span class="citerefentry"><span class="refentrytitle">glDepthFunc</span></span></a>, <a class="citerefentry" href="glEnable"><span class="citerefentry"><span class="refentrytitle">glEnable</span></span></a>, <a class="citerefentry" href="glStencilFunc"><span class="citerefentry"><span class="refentrytitle">glStencilFunc</span></span></a> </p></div><div class="refsect1" lang="en" xml:lang="en"><div id="Copyright"><h2>Copyright</h2><p> Copyright &#169; 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see <a class="ulink" href="https://web.archive.org/web/20171022161616/http://oss.sgi.com/projects/FreeB/" target="_top">https://web.archive.org/web/20171022161616/http://oss.sgi.com/projects/FreeB/</a>. </p></div></div></div> </div> <div id="improvepage">Think you can improve this page? <a href="https://github.com/BSVino/docs.gl/blob/mainline/gl3/glAlphaFunc.xhtml">Edit this page</a> on <a href="https://github.com/BSVino/docs.gl/">GitHub</a>.</div> </div> <div id="footer"> <div id="credits"><a href="https://docs.gl/">docs.gl</a> was written by <a href="https://twitter.com/VinoBS">Jorge Rodr&#237;guez</a>. Each entry is under individual copyright displayed at the bottom of that entry. All other content is in the public domain.<br> docs.gl is completely unaffiliated with OpenGL and Khronos.<br> These pages were last compiled on 12 April 2026 at 14:17:30 GMT.</div> </div> <script async src="../docs.gl.search.js"></script> </body> </html> 