+/* $Id: s_context.h,v 1.10 2001/05/17 09:32:17 keithw Exp $ */
+
/*
* Mesa 3-D graphics library
* Version: 3.5
- *
- * Copyright (C) 1999 Brian Paul All Rights Reserved.
- *
+ *
+ * Copyright (C) 1999-2001 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
#ifndef S_CONTEXT_H
#define S_CONTEXT_H
-#include "types.h"
+#include "mtypes.h"
#include "swrast.h"
/*
GLchan src[][4], CONST GLchan dst[][4] );
#endif
-typedef void (*swrast_tri_func)( GLcontext *ctx,
- SWvertex *, SWvertex *, SWvertex *);
-typedef void (*swrast_line_func)( GLcontext *ctx, SWvertex *, SWvertex *);
-typedef void (*swrast_point_func)( GLcontext *ctx, SWvertex *);
+typedef void (*swrast_point_func)( GLcontext *ctx, const SWvertex *);
+
+typedef void (*swrast_line_func)( GLcontext *ctx,
+ const SWvertex *, const SWvertex *);
+
+typedef void (*swrast_tri_func)( GLcontext *ctx, const SWvertex *,
+ const SWvertex *, const SWvertex *);
+
+
/*
* Bitmasks to indicate which rasterization options are enabled (RasterMask)
typedef struct
{
+ /* Driver interface:
+ */
+ struct swrast_device_driver Driver;
+
/* Configuration mechanisms to make software rasterizer match
- * characteristics of the hardware rasterizer (if present):
+ * characteristics of the hardware rasterizer (if present):
*/
GLboolean AllowVertexFog;
GLboolean AllowPixelFog;
* _swrast_validate_derived():
*/
GLuint _RasterMask;
- GLboolean _MultiTextureEnabled;
- GLuint _MinMagThresh[MAX_TEXTURE_UNITS];
+ GLfloat _MinMagThresh[MAX_TEXTURE_UNITS];
GLfloat _backface_sign;
GLboolean _PreferPixelFog;
- /* Accum buffer temporaries.
+ /* Accum buffer temporaries.
*/
GLboolean _IntegerAccumMode; /* Storing unscaled integers? */
GLfloat _IntegerAccumScaler; /* Implicit scale factor */
-
+
/* Working values:
*/
struct pixel_buffer* PB;
GLuint StippleCounter; /* Line stipple counter */
GLuint NewState;
GLuint StateChanges;
-
+
/* Mechanism to allow driver (like X11) to register further
* software rasterization routines.
*/
void (*choose_point)( GLcontext * );
void (*choose_line)( GLcontext * );
void (*choose_triangle)( GLcontext * );
- void (*choose_quad)( GLcontext * );
GLuint invalidate_point;
GLuint invalidate_line;
GLuint invalidate_triangle;
- GLuint invalidate_quad;
/* Function pointers for dispatch behind public entrypoints.
*/
void (*InvalidateState)( GLcontext *ctx, GLuint new_state );
- void (*Point)( GLcontext *ctx, SWvertex *v );
- void (*Line)( GLcontext *ctx, SWvertex *v0, SWvertex *v1 );
- void (*Triangle)( GLcontext *ctx, SWvertex *v0, SWvertex *v1, SWvertex *v2 );
- void (*Quad)( GLcontext *ctx, SWvertex *v0, SWvertex *v1, SWvertex *v2,
- SWvertex *v3);
+
+ swrast_point_func Point;
+ swrast_line_func Line;
+ swrast_tri_func Triangle;
+
+ /* Placeholders for when separate specular (or secondary color) is
+ * enabled but texturing is not.
+ */
+ swrast_point_func SpecPoint;
+ swrast_line_func SpecLine;
+ swrast_tri_func SpecTriangle;
+
/* Internal hooks, kept uptodate by the same mechanism as above.
*/
#define SWRAST_CONTEXT(ctx) ((SWcontext *)ctx->swrast_context)
+#define RENDER_START(SWctx, GLctx) \
+ do { \
+ if ((SWctx)->Driver.SpanRenderStart) { \
+ (*(SWctx)->Driver.SpanRenderStart)(GLctx); \
+ } \
+ } while (0)
+
+#define RENDER_FINISH(SWctx, GLctx) \
+ do { \
+ if ((SWctx)->Driver.SpanRenderFinish) { \
+ (*(SWctx)->Driver.SpanRenderFinish)(GLctx); \
+ } \
+ } while (0)
#endif