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  71. >SDL_GL_GetAttribute</A
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  78. ><H2
  79. >Name</H2
  80. >SDL_GL_GetAttribute&nbsp;--&nbsp;Get the value of a special SDL/OpenGL attribute</DIV
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  95. ><PRE
  96. CLASS="FUNCSYNOPSISINFO"
  97. >#include "SDL.h"</PRE
  98. ><P
  99. ><CODE
  100. ><CODE
  101. CLASS="FUNCDEF"
  102. >int <B
  103. CLASS="FSFUNC"
  104. >SDL_GL_GetAttribute</B
  105. ></CODE
  106. >(SDLGLattr attr, int *value);</CODE
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  118. >Description</H2
  119. ><P
  120. >Places the value of the SDL/OpenGL <A
  121. HREF="sdlglattr.html"
  122. >attribute</A
  123. > <TT
  124. CLASS="PARAMETER"
  125. ><I
  126. >attr</I
  127. ></TT
  128. > into <TT
  129. CLASS="PARAMETER"
  130. ><I
  131. >value</I
  132. ></TT
  133. >. This is useful after a call to <A
  134. HREF="sdlsetvideomode.html"
  135. ><TT
  136. CLASS="FUNCTION"
  137. >SDL_SetVideoMode</TT
  138. ></A
  139. > to check whether your attributes have been <A
  140. HREF="sdlglsetattribute.html"
  141. >set</A
  142. > as you expected.</P
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  149. ><H2
  150. >Return Value</H2
  151. ><P
  152. >Returns <SPAN
  153. CLASS="RETURNVALUE"
  154. >0</SPAN
  155. > on success, or <SPAN
  156. CLASS="RETURNVALUE"
  157. >-1</SPAN
  158. > on an error.</P
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  166. >See Also</H2
  167. ><P
  168. ><A
  169. HREF="sdlglsetattribute.html"
  170. ><TT
  171. CLASS="FUNCTION"
  172. >SDL_GL_SetAttribute</TT
  173. ></A
  174. >,
  175. <A
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  177. >GL Attributes</A
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