fglistexture.html

来自「计算机图形学～想必是很多人需要的～在此共享一下」· HTML 代码 · 共 59 行

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<HTML><BODY><PRE>     <STRONG>NAME</STRONG>	  <STRONG>fglIsTexture</STRONG> - determine if a	name corresponds to a texture     <STRONG>FORTRAN</STRONG> <STRONG>SPECIFICATION</STRONG>	  LOGICAL*1 <STRONG>fglIsTexture</STRONG>( INTEGER*4 <EM>texture</EM> )     <STRONG>PARAMETERS</STRONG>	  <EM>texture</EM>  Specifies a value that may be the name of a		   texture.     <STRONG>DESCRIPTION</STRONG>	  <STRONG>fglIsTexture</STRONG> returns <STRONG>GL_TRUE</STRONG> if <EM>texture</EM> is currently the	  name of a texture.  If <EM>texture</EM> is zero, or is	a non-zero	  value	that is	not currently the name of a texture, or	if an	  error	occurs,	<STRONG>fglIsTexture</STRONG> returns <STRONG>GL_FALSE</STRONG>.     <STRONG>NOTES</STRONG>	  <STRONG>fglIsTexture</STRONG> is available only if the	GL version is 1.1 or	  greater.     <STRONG>ERRORS</STRONG>	  <STRONG>GL_INVALID_OPERATION</STRONG> is generated if <STRONG>fglIsTexture</STRONG> is	  executed between the execution of <STRONG>fglBegin</STRONG> and the	  corresponding	execution of <STRONG>fglEnd</STRONG>.     <STRONG>SEE</STRONG> <STRONG>ALSO</STRONG>	  <STRONG>fglBindTexture</STRONG>, <STRONG>fglCopyTexImage1D</STRONG>, <STRONG>fglCopyTexImage2D</STRONG>,	  <STRONG>fglDeleteTextures</STRONG>, <STRONG>fglGenTextures</STRONG>, <STRONG>fglGet</STRONG>,	  <STRONG>fglGetTexParameter</STRONG>, <STRONG>fglTexImage1D</STRONG>, <STRONG>fglTexImage2D</STRONG>,	  <STRONG>fglTexParameter</STRONG></PRE></BODY></HTML>

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