-/* $Id: clip.c,v 1.3 1999/10/08 09:27:10 keithw Exp $ */
+/* $Id: clip.c,v 1.6 2000/02/25 03:55:39 keithw Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 3.1
+ * Version: 3.3
*
* Copyright (C) 1999 Brian Paul All Rights Reserved.
*
*/
-
-
-
#ifdef PC_HEADER
#include "all.h"
#else
-#ifndef XFree86Server
-#include <string.h>
-#include <stdlib.h>
-#else
-#include "GL/xf86glx.h"
-#endif
+#include "glheader.h"
#include "clip.h"
#include "context.h"
#include "macros.h"
#include "types.h"
#include "vb.h"
#include "xform.h"
-#ifdef XFree86Server
-#include "GL/xf86glx.h"
-#endif
#endif
+#define CLIP_RGBA0 0x1
+#define CLIP_RGBA1 0x2
+#define CLIP_TEX0 0x4
+#define CLIP_TEX1 0x8
+#define CLIP_INDEX0 0x10
+#define CLIP_INDEX1 0x20
+#define CLIP_FOG_COORD 0x40
+
+
/* Linear interpolation between A and B: */
#define LINTERP( T, A, B ) ( (A) + (T) * ( (B) - (A) ) )
} while(0)
-
-
-#define CLIP_RGBA0 0x1
-#define CLIP_RGBA1 0x2
-#define CLIP_TEX0 0x4
-#define CLIP_TEX1 0x8
-#define CLIP_INDEX0 0x10
-#define CLIP_INDEX1 0x20
-
-static clip_interp_func clip_interp_tab[0x40];
+static clip_interp_func clip_interp_tab[0x80];
#define IND 0
#define NAME clip_nil
#define NAME clipINDEX0_INDEX1
#include "interp_tmp.h"
+#define IND (CLIP_FOG_COORD)
+#define NAME clip_FOG
+#include "interp_tmp.h"
+
+#define IND (CLIP_RGBA0|CLIP_FOG_COORD)
+#define NAME clipRGBA0_FOG
+#include "interp_tmp.h"
+
+#define IND (CLIP_RGBA0|CLIP_RGBA1|CLIP_FOG_COORD)
+#define NAME clipRGBA0_RGBA1_FOG
+#include "interp_tmp.h"
+
+#define IND (CLIP_TEX0|CLIP_RGBA0|CLIP_FOG_COORD)
+#define NAME clipTEX0_RGBA0_FOG
+#include "interp_tmp.h"
+
+#define IND (CLIP_TEX0|CLIP_RGBA0|CLIP_RGBA1|CLIP_FOG_COORD)
+#define NAME clipTEX0_RGBA0_RGBA1_FOG
+#include "interp_tmp.h"
+
+#define IND (CLIP_TEX1|CLIP_TEX0|CLIP_RGBA0|CLIP_FOG_COORD)
+#define NAME clipTEX1_TEX0_RGBA0_FOG
+#include "interp_tmp.h"
+
+#define IND (CLIP_TEX0|CLIP_FOG_COORD)
+#define NAME clipTEX0_FOG
+#include "interp_tmp.h"
+
+#define IND (CLIP_TEX1|CLIP_TEX0|CLIP_FOG_COORD)
+#define NAME clipTEX1_TEX0_FOG
+#include "interp_tmp.h"
+
+#define IND (CLIP_TEX1|CLIP_TEX0|CLIP_RGBA0|CLIP_RGBA1|CLIP_FOG_COORD)
+#define NAME clipTEX1_TEX0_RGBA0_RGBA1_FOG
+#include "interp_tmp.h"
+
+#define IND (CLIP_INDEX0|CLIP_FOG_COORD)
+#define NAME clipINDEX0_FOG
+#include "interp_tmp.h"
+
+#define IND (CLIP_INDEX0|CLIP_INDEX1|CLIP_FOG_COORD)
+#define NAME clipINDEX0_INDEX1_FOG
+#include "interp_tmp.h"
+
-void gl_ClipPlane( GLcontext* ctx, GLenum plane, const GLfloat *equation )
+void
+_mesa_ClipPlane( GLenum plane, const GLdouble *eq )
{
+ GET_CURRENT_CONTEXT(ctx);
GLint p;
+ GLfloat equation[4];
+
+ equation[0] = eq[0];
+ equation[1] = eq[1];
+ equation[2] = eq[2];
+ equation[3] = eq[3];
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glClipPlane");
}
}
-void gl_GetClipPlane( GLcontext* ctx, GLenum plane, GLdouble *equation )
+void
+_mesa_GetClipPlane( GLenum plane, GLdouble *equation )
{
+ GET_CURRENT_CONTEXT(ctx);
GLint p;
ASSERT_OUTSIDE_BEGIN_END(ctx, "glGetClipPlane");
mask |= CLIP_INDEX1;
}
+ if (ctx->FogMode == FOG_FRAGMENT && (ctx->TriangleCaps & DD_CLIP_FOG_COORD))
+ mask |= CLIP_FOG_COORD;
ctx->ClipInterpFunc = clip_interp_tab[mask];
ctx->poly_clip_tab = gl_poly_clip_tab[0];
clip_interp_tab[CLIP_TEX1|CLIP_TEX0|CLIP_RGBA0] = clipTEX1_TEX0_RGBA0;
clip_interp_tab[CLIP_TEX1|CLIP_TEX0|CLIP_RGBA0|CLIP_RGBA1] =
clipTEX1_TEX0_RGBA0_RGBA1;
-
clip_interp_tab[CLIP_TEX0] = clipTEX0;
clip_interp_tab[CLIP_TEX1|CLIP_TEX0] = clipTEX1_TEX0;
-
clip_interp_tab[CLIP_INDEX0] = clipINDEX0;
clip_interp_tab[CLIP_INDEX0|CLIP_INDEX1] = clipINDEX0_INDEX1;
+
+ clip_interp_tab[CLIP_FOG_COORD] = clip_FOG;
+ clip_interp_tab[CLIP_RGBA0|CLIP_FOG_COORD] = clipRGBA0_FOG;
+ clip_interp_tab[CLIP_RGBA0|CLIP_RGBA1|CLIP_FOG_COORD] = clipRGBA0_RGBA1_FOG;
+ clip_interp_tab[CLIP_TEX0|CLIP_RGBA0|CLIP_FOG_COORD] = clipTEX0_RGBA0_FOG;
+ clip_interp_tab[CLIP_TEX0|CLIP_RGBA0|CLIP_RGBA1|CLIP_FOG_COORD] = clipTEX0_RGBA0_RGBA1_FOG;
+ clip_interp_tab[CLIP_TEX1|CLIP_TEX0|CLIP_RGBA0|CLIP_FOG_COORD] = clipTEX1_TEX0_RGBA0_FOG;
+ clip_interp_tab[CLIP_TEX1|CLIP_TEX0|CLIP_RGBA0|CLIP_RGBA1|CLIP_FOG_COORD] =
+ clipTEX1_TEX0_RGBA0_RGBA1_FOG;
+ clip_interp_tab[CLIP_TEX0|CLIP_FOG_COORD] = clipTEX0_FOG;
+ clip_interp_tab[CLIP_TEX1|CLIP_TEX0|CLIP_FOG_COORD] = clipTEX1_TEX0_FOG;
+ clip_interp_tab[CLIP_INDEX0|CLIP_FOG_COORD] = clipINDEX0_FOG;
+ clip_interp_tab[CLIP_INDEX0|CLIP_INDEX1|CLIP_FOG_COORD] = clipINDEX0_INDEX1_FOG;
}