-/* $Id: lines.c,v 1.31 2003/03/01 01:50:21 brianp Exp $ */
+/**
+ * \file lines.c
+ * Line operations.
+ */
/*
* Mesa 3-D graphics library
#include "mtypes.h"
-void
+/**
+ * Set the line width.
+ *
+ * \param width line width in pixels.
+ *
+ * \sa glLineWidth().
+ *
+ * Verifies the parameter and updates gl_line_attrib::Width. On a change,
+ * flushes the vertices, updates the clamped line width and marks the
+ * DD_LINE_WIDTH flag in __GLcontextRec::_TriangleCaps for the drivers if the
+ * width is different from one. Notifies the driver via the
+ * dd_function_table::LineWidth callback.
+ */
+void GLAPIENTRY
_mesa_LineWidth( GLfloat width )
{
GET_CURRENT_CONTEXT(ctx);
}
-
-void
+/**
+ * Set the line stipple pattern.
+ *
+ * \param factor pattern scale factor.
+ * \param pattern bit pattern.
+ *
+ * \sa glLineStipple().
+ *
+ * Updates gl_line_attrib::StippleFactor and gl_line_attrib::StipplePattern. On
+ * change flushes the vertices and notifies the driver via
+ * the dd_function_table::LineStipple callback.
+ */
+void GLAPIENTRY
_mesa_LineStipple( GLint factor, GLushort pattern )
{
GET_CURRENT_CONTEXT(ctx);
if (ctx->Driver.LineStipple)
ctx->Driver.LineStipple( ctx, factor, pattern );
}
+
+
+/**
+ * Initialize the context line state.
+ *
+ * \param ctx GL context.
+ *
+ * Initializes __GLcontextRec::Line and line related constants in
+ * __GLcontextRec::Const.
+ */
+void GLAPIENTRY _mesa_init_line( GLcontext * ctx )
+{
+ /* Line group */
+ ctx->Line.SmoothFlag = GL_FALSE;
+ ctx->Line.StippleFlag = GL_FALSE;
+ ctx->Line.Width = 1.0;
+ ctx->Line._Width = 1.0;
+ ctx->Line.StipplePattern = 0xffff;
+ ctx->Line.StippleFactor = 1;
+}