Change logicop, blend, masking functions to use the colors/indexes in the
[mesa.git] / src / mesa / swrast / s_span.h
index b1bb847bf6712b7308b65ae695d42930684625c5..40a57e1ae53014e2267fd47366e4c7125e4db5f7 100644 (file)
@@ -1,10 +1,8 @@
-/* $Id: s_span.h,v 1.5 2001/05/03 22:13:32 brianp Exp $ */
-
 /*
  * Mesa 3-D graphics library
- * Version:  3.5
+ * Version:  6.5
  *
- * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
+ * 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"),
@@ -25,9 +23,6 @@
  */
 
 
-
-
-
 #ifndef S_SPAN_H
 #define S_SPAN_H
 
 #include "swrast.h"
 
 
-extern void _mesa_write_index_span( GLcontext *ctx,
-                                 GLuint n, GLint x, GLint y, const GLdepth z[],
-                                const GLfloat fog[],
-                                GLuint index[], GLenum primitive );
+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 _mesa_write_monoindex_span( GLcontext *ctx,
-                                     GLuint n, GLint x, GLint y,
-                                     const GLdepth z[],
-                                    const GLfloat fog[],
-                                    GLuint index, GLenum primitive );
+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 _mesa_write_rgba_span( GLcontext *ctx,
-                                GLuint n, GLint x, GLint y, const GLdepth z[],
-                               const GLfloat fog[],
-                                GLchan rgba[][4], GLenum primitive );
+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 _mesa_write_monocolor_span( GLcontext *ctx,
-                                     GLuint n, GLint x, GLint y,
-                                     const GLdepth z[],
-                                    const GLfloat fog[],
-                                    const GLchan color[4],
-                                     GLenum primitive );
+extern void
+_swrast_write_index_span( GLcontext *ctx, struct sw_span *span);
 
 
-extern void _mesa_write_texture_span( GLcontext *ctx,
-                                   GLuint n, GLint x, GLint y,
-                                   const GLdepth z[],
-                                  const GLfloat fog[],
-                                  const GLfloat s[], const GLfloat t[],
-                                   const GLfloat u[], GLfloat lambda[],
-                                  GLchan rgba[][4], CONST GLchan spec[][4],
-                                   GLenum primitive );
+extern void
+_swrast_write_rgba_span( GLcontext *ctx, struct sw_span *span);
 
 
 extern void
-_mesa_write_multitexture_span( GLcontext *ctx,
-                            GLuint n, GLint x, GLint y,
-                            const GLdepth z[],
-                           const GLfloat fog[],
-                            CONST GLfloat s[MAX_TEXTURE_UNITS][MAX_WIDTH],
-                            CONST GLfloat t[MAX_TEXTURE_UNITS][MAX_WIDTH],
-                            CONST GLfloat u[MAX_TEXTURE_UNITS][MAX_WIDTH],
-                            GLfloat lambda[MAX_TEXTURE_UNITS][MAX_WIDTH],
-                            GLchan rgba[][4],
-                            CONST GLchan spec[][4],
-                            GLenum primitive );
-
+_swrast_read_rgba_span( GLcontext *ctx, struct gl_renderbuffer *rb,
+                        GLuint n, GLint x, GLint y, GLchan rgba[][4] );
 
-extern void _mesa_read_rgba_span( GLcontext *ctx, GLframebuffer *buffer,
-                               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 _mesa_read_index_span( GLcontext *ctx, GLframebuffer *buffer,
-                                GLuint n, GLint x, GLint y, GLuint indx[] );
+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