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Lines Matching refs:viewport

237               const GLint viewport[4],
258     /* Map x,y to viewport */
259     in[0] = in[0] * viewport[2] + viewport[0];
260     in[1] = in[1] * viewport[3] + viewport[1];
272                 const GLint viewport[4],
288     in[0] = (in[0] - viewport[0]) / viewport[2];
289     in[1] = (in[1] - viewport[1]) / viewport[3];
311 	      const GLint viewport[4],
329     in[0] = (in[0] - viewport[0]) / viewport[2];
330     in[1] = (in[1] - viewport[1]) / viewport[3];
349 		  GLint viewport[4])
356     glTranslatef((viewport[2] - 2 * (x - viewport[0])) / deltax,
357 	    (viewport[3] - 2 * (y - viewport[1])) / deltay, 0);
358     glScalef(viewport[2] / deltax, viewport[3] / deltay, 1.0);