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diff --git a/nx-X11/extras/Mesa/src/mesa/swrast/s_span.h b/nx-X11/extras/Mesa/src/mesa/swrast/s_span.h
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+/*
+ * Mesa 3-D graphics library
+ * Version: 6.5
+ *
+ * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+#ifndef S_SPAN_H
+#define S_SPAN_H
+
+
+#include "mtypes.h"
+#include "swrast.h"
+
+
+extern void
+_swrast_span_default_z( GLcontext *ctx, struct sw_span *span );
+
+extern void
+_swrast_span_interpolate_z( const GLcontext *ctx, struct sw_span *span );
+
+extern void
+_swrast_span_default_fog( GLcontext *ctx, struct sw_span *span );
+
+extern void
+_swrast_span_default_color( GLcontext *ctx, struct sw_span *span );
+
+extern void
+_swrast_span_default_texcoords( GLcontext *ctx, struct sw_span *span );
+
+extern GLfloat
+_swrast_compute_lambda(GLfloat dsdx, GLfloat dsdy, GLfloat dtdx, GLfloat dtdy,
+ GLfloat dqdx, GLfloat dqdy, GLfloat texW, GLfloat texH,
+ GLfloat s, GLfloat t, GLfloat q, GLfloat invQ);
+
+extern void
+_swrast_write_index_span( GLcontext *ctx, struct sw_span *span);
+
+
+extern void
+_swrast_write_rgba_span( GLcontext *ctx, struct sw_span *span);
+
+
+extern void
+_swrast_read_rgba_span( GLcontext *ctx, struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y, GLchan rgba[][4] );
+
+extern void
+_swrast_read_index_span( GLcontext *ctx, struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y, GLuint indx[] );
+
+extern void
+_swrast_get_values(GLcontext *ctx, struct gl_renderbuffer *rb,
+ GLuint count, const GLint x[], const GLint y[],
+ void *values, GLuint valueSize);
+
+#endif