1 files changed, 85 insertions, 0 deletions
diff --git a/dist/Mesa/src/mesa/swrast/s_span.h b/dist/Mesa/src/mesa/swrast/s_span.h
new file mode 100644
index 000000000..40a57e1ae
--- /dev/null
+++ b/dist/Mesa/src/mesa/swrast/s_span.h
@@ -0,0 +1,85 @@
+/*
+ * 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);
+
+extern void
+_swrast_put_row(GLcontext *ctx, struct gl_renderbuffer *rb,
+                GLuint count, GLint x, GLint y,
+                const GLvoid *values, GLuint valueSize);
+
+extern void
+_swrast_get_row(GLcontext *ctx, struct gl_renderbuffer *rb,
+                GLuint count, GLint x, GLint y,
+                GLvoid *values, GLuint valueSize);
+
+#endif