Major rework of tnl module

New array_cache module
Support 8 texture units in core mesa (now support 8 everywhere)
Rework core mesa statechange operations to avoid flushing on many
noop statechanges.

1 files changed, 452 insertions, 0 deletions

diff --git a/src/mesa/tnl/t_vb_rendertmp.h b/src/mesa/tnl/t_vb_rendertmp.h
new file mode 100644
index 0000000000..de8adb23ec
--- /dev/null
+++ b/src/mesa/tnl/t_vb_rendertmp.h
@@ -0,0 +1,452 @@
+/* $Id: t_vb_rendertmp.h,v 1.1 2000/12/26 05:09:33 keithw Exp $ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version:  3.5
+ * 
+ * Copyright (C) 1999  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.
+ *
+ * Author:
+ *    Keith Whitwell <keithw@valinux.com>
+ */
+
+
+#ifndef POSTFIX
+#define POSTFIX
+#endif
+
+#ifndef INIT
+#define INIT(x)  
+#endif
+
+#ifndef NEED_EDGEFLAG_SETUP
+#define NEED_EDGEFLAG_SETUP 0
+#define EDGEFLAG_GET(a) 0
+#define EDGEFLAG_SET(a,b) 
+#endif
+
+#ifndef RESET_STIPPLE
+#define RESET_STIPPLE
+#endif
+
+#ifndef RESET_OCCLUSION
+#define RESET_OCCLUSION
+#endif
+
+#ifndef TEST_PRIM_END
+#define TEST_PRIM_END(flags) (flags & PRIM_END)
+#define TEST_PRIM_BEGIN(flags) (flags & PRIM_BEGIN)
+#define TEST_PRIM_PARITY(flags) (flags & PRIM_PARITY)
+#endif
+
+#ifndef ELT
+#define ELT(x) x
+#endif
+
+static void TAG(render_points)( GLcontext *ctx,
+				GLuint start,
+				GLuint count,
+				GLuint flags )
+{
+   LOCAL_VARS;
+   (void) flags;
+
+   RESET_OCCLUSION;
+   INIT(GL_POINTS);
+   RENDER_POINTS( start, count );
+   POSTFIX;
+}
+
+static void TAG(render_lines)( GLcontext *ctx,
+			       GLuint start,
+			       GLuint count,
+			       GLuint flags )
+{
+   GLuint j;
+   LOCAL_VARS;
+   (void) flags;
+
+   RESET_OCCLUSION;
+   INIT(GL_LINES);
+   for (j=start+1; j<count; j+=2 ) {
+      RENDER_LINE( ELT(j-1), ELT(j) );
+      RESET_STIPPLE;
+   }
+   POSTFIX;
+}
+
+
+static void TAG(render_line_strip)( GLcontext *ctx,
+				    GLuint start,
+				    GLuint count,
+				    GLuint flags )
+{
+   GLuint j;
+   LOCAL_VARS;
+   (void) flags;
+
+   RESET_OCCLUSION;
+   INIT(GL_LINES);
+
+   for (j=start+1; j<count; j++ ) {
+      RENDER_LINE( ELT(j-1), ELT(j) );
+   }
+
+   if (TEST_PRIM_END(flags))
+      RESET_STIPPLE;
+
+   POSTFIX;
+}
+
+
+static void TAG(render_line_loop)( GLcontext *ctx,
+				   GLuint start,
+				   GLuint count,
+				   GLuint flags )
+{
+   GLuint i;	 
+   LOCAL_VARS;
+
+   (void) flags;
+
+   RESET_OCCLUSION;
+   INIT(GL_LINES);
+
+   if (start+1 < count) {
+      if (TEST_PRIM_BEGIN(flags)) {
+	 RENDER_LINE( ELT(start), ELT(start+1) );
+      }
+
+      for ( i = start+2 ; i < count ; i++) {
+	 RENDER_LINE( ELT(i-1), ELT(i) );
+      }
+
+      if ( TEST_PRIM_END(flags)) {
+	 RENDER_LINE( ELT(count-1), ELT(start) );
+	 RESET_STIPPLE;
+      }
+   }
+
+   POSTFIX;
+}
+
+
+static void TAG(render_triangles)( GLcontext *ctx,
+				   GLuint start,
+				   GLuint count,
+				   GLuint flags )
+{
+   GLuint j;
+   LOCAL_VARS;
+   (void) flags;
+
+   INIT(GL_POLYGON);
+   if (NEED_EDGEFLAG_SETUP) {
+      for (j=start+2; j<count; j+=3) {
+	 /* Leave the edgeflags as supplied by the user.
+	  */
+	 RENDER_TRI( ELT(j-2), ELT(j-1), ELT(j), ELT(j), 0 );
+	 RESET_STIPPLE;
+      }
+   } else {
+      for (j=start+2; j<count; j+=3) {
+	 RENDER_TRI( ELT(j-2), ELT(j-1), ELT(j), ELT(j), 0 );
+      }
+   }
+   POSTFIX;
+}
+
+
+
+static void TAG(render_tri_strip)( GLcontext *ctx,
+				   GLuint start,
+				   GLuint count,
+				   GLuint flags )
+{
+   GLuint j;
+   GLuint parity = 0;
+   LOCAL_VARS;
+   
+   if (TEST_PRIM_PARITY(flags))
+      parity = 1;
+   
+   INIT(GL_POLYGON);
+   if (NEED_EDGEFLAG_SETUP) {
+      for (j=start+2;j<count;j++,parity^=1) {
+	 /* All edges are boundary.  Set edgeflags to 1, draw the
+	  * triangle, and restore them to the original values.
+	  */
+	 GLuint ej2 = ELT(j-2);
+	 GLuint ej1 = ELT(j-1);
+	 GLuint ej = ELT(j);
+	 GLboolean ef2 = EDGEFLAG_GET( ej2 );
+	 GLboolean ef1 = EDGEFLAG_GET( ej1 );
+	 GLboolean ef = EDGEFLAG_GET( ej );
+	 EDGEFLAG_SET( ej2, GL_TRUE );
+	 EDGEFLAG_SET( ej1, GL_TRUE );
+	 EDGEFLAG_SET( ej, GL_TRUE );
+	 RENDER_TRI( ej2, ej1, ej, ej, parity );
+	 EDGEFLAG_SET( ej2, ef2 );
+	 EDGEFLAG_SET( ej1, ef1 );
+	 EDGEFLAG_SET( ej, ef );
+	 RESET_STIPPLE;
+      }
+   } else {
+      for (j=start+2;j<count;j++,parity^=1) {
+	 RENDER_TRI( ELT(j-2), ELT(j-1), ELT(j), ELT(j), parity );
+      }
+   }
+   POSTFIX;
+}
+
+
+static void TAG(render_tri_fan)( GLcontext *ctx,
+				 GLuint start,
+				 GLuint count,
+				 GLuint flags )
+{
+   GLuint j;
+   LOCAL_VARS;
+   (void) flags;
+
+   INIT(GL_POLYGON);
+   if (NEED_EDGEFLAG_SETUP) {
+      for (j=start+2;j<count;j++) {
+	 /* For trifans, all edges are boundary.
+	  */
+	 GLuint ejs = ELT(start);
+	 GLuint ej1 = ELT(j-1);
+	 GLuint ej = ELT(j);
+	 GLboolean efs = EDGEFLAG_GET( ejs );
+	 GLboolean ef1 = EDGEFLAG_GET( ej1 );
+	 GLboolean ef = EDGEFLAG_GET( ej );
+	 EDGEFLAG_SET( ejs, GL_TRUE );
+	 EDGEFLAG_SET( ej1, GL_TRUE );
+	 EDGEFLAG_SET( ej, GL_TRUE );
+	 RENDER_TRI( ejs, ej1, ej, ej, 0);
+	 EDGEFLAG_SET( ejs, efs );
+	 EDGEFLAG_SET( ej1, ef1 );
+	 EDGEFLAG_SET( ej, ef );
+	 RESET_STIPPLE;
+      }
+   } else {
+      for (j=start+2;j<count;j++) {
+	 RENDER_TRI( ELT(start), ELT(j-1), ELT(j), ELT(j), 0 );
+      }
+   }
+
+   POSTFIX;
+}
+
+
+/* This is a bit of a hack.  Clipping produces polygons and really
+ * wants to use this function to render them (in particular to get the
+ * edgeflags right).  However, the rule that pv==start for polys
+ * doens't hold there, hence the extra arg and the wrapper below.  
+ */
+static void TAG(render_poly_pv)( GLcontext *ctx,
+				 GLuint start,
+				 GLuint count,
+				 GLuint flags,
+				 GLuint pv )
+{
+   GLuint j = start+2;
+   LOCAL_VARS;
+   (void) flags;
+
+   INIT(GL_POLYGON);
+   if (NEED_EDGEFLAG_SETUP) {
+      if (start+3 < count) {
+	 GLboolean efstart = EDGEFLAG_GET( ELT(start) );
+	 GLboolean efcount = EDGEFLAG_GET( ELT(count-1) );
+
+	 
+	 /* If the primitive does not begin here, the first edge
+	  * is non-boundary.
+	  */
+	 if (!TEST_PRIM_BEGIN(flags)) 
+	    EDGEFLAG_SET( ELT(start), GL_FALSE );
+
+	 /* If the primitive does not end here, the final edge is
+	  * non-boundary.
+	  */
+	 if (!TEST_PRIM_END(flags))
+	    EDGEFLAG_SET( ELT(count-1), GL_FALSE );
+
+	 /* Draw the first triangle (possibly also the last).
+	  */
+	 if (j<count) {
+	    GLboolean ef = EDGEFLAG_GET( ELT(j) );
+	    EDGEFLAG_SET( ELT(j), GL_FALSE );
+	    RENDER_TRI( ELT(start), ELT(j-1), ELT(j), ELT(pv), 0 );
+	    EDGEFLAG_SET( ELT(j), ef );
+	    j++;
+	 }
+	    
+	 /* For internal tris, the first and last edges are non-boundary.
+	  */
+	 EDGEFLAG_SET( ELT(start), GL_FALSE );
+	 for (;j<count-1;j++) {
+	    GLboolean ef = EDGEFLAG_GET( ELT(j) );
+	    EDGEFLAG_SET( ELT(j), GL_FALSE );
+	    RENDER_TRI( ELT(start), ELT(j-1), ELT(j), ELT(pv), 0 );
+	    EDGEFLAG_SET( ELT(j), ef );
+	 }
+
+	 /* Draw the last triangle
+	  */
+	 if (j < count) {
+	    RENDER_TRI( ELT(start), ELT(j-1), ELT(j), ELT(pv), 0 );
+	    j++;
+	 }
+
+	 /* Restore the first, last edgeflags:
+	  */
+	 EDGEFLAG_SET( ELT(count-1), efcount );
+	 EDGEFLAG_SET( ELT(start), efstart );
+      }
+	 
+      if (TEST_PRIM_END(flags)) {
+	 RESET_STIPPLE;
+      }
+   }
+   else {
+      for (j=start+2;j<count;j++) {
+	 RENDER_TRI( ELT(start), ELT(j-1), ELT(j), ELT(start), 0 );
+      }
+   }
+   POSTFIX;
+}
+
+static void TAG(render_poly)( GLcontext *ctx,
+			      GLuint start,
+			      GLuint count,
+			      GLuint flags )
+{
+   TAG(render_poly_pv)( ctx, start, count, flags, start );
+}
+
+static void TAG(render_quads)( GLcontext *ctx,
+			       GLuint start,
+			       GLuint count,
+			       GLuint flags )
+{
+   GLuint j;
+   LOCAL_VARS;
+   (void) flags;
+
+   INIT(GL_POLYGON);
+   if (NEED_EDGEFLAG_SETUP) {
+      for (j=start+3; j<count; j+=4) {
+	 /* Use user-specified edgeflags for quads.
+	  */
+	 RENDER_QUAD( ELT(j-3), ELT(j-2), ELT(j-1), ELT(j), ELT(j) );
+	 RESET_STIPPLE;
+      }
+   } else {
+      for (j=start+3; j<count; j+=4) {
+	 RENDER_QUAD( ELT(j-3), ELT(j-2), ELT(j-1), ELT(j), ELT(j) );
+      }
+   }
+   POSTFIX;
+}
+
+static void TAG(render_quad_strip)( GLcontext *ctx,
+				    GLuint start,
+				    GLuint count,
+				    GLuint flags )
+{
+   GLuint j;
+   LOCAL_VARS;
+   (void) flags;
+
+   INIT(GL_POLYGON);
+   if (NEED_EDGEFLAG_SETUP) {
+      for (j=start+3;j<count;j+=2) {
+	 /* All edges are boundary.  Set edgeflags to 1, draw the
+	  * quad, and restore them to the original values.
+	  */
+	 GLboolean ef3 = EDGEFLAG_GET( ELT(j-3) );
+	 GLboolean ef2 = EDGEFLAG_GET( ELT(j-2) );
+	 GLboolean ef1 = EDGEFLAG_GET( ELT(j-1) );
+	 GLboolean ef = EDGEFLAG_GET( ELT(j) );
+	 EDGEFLAG_SET( ELT(j-3), GL_TRUE );
+	 EDGEFLAG_SET( ELT(j-2), GL_TRUE );
+	 EDGEFLAG_SET( ELT(j-1), GL_TRUE );
+	 EDGEFLAG_SET( ELT(j), GL_TRUE );
+	 RENDER_QUAD( ELT(j-3), ELT(j-2), ELT(j), ELT(j-1), ELT(j) );
+	 EDGEFLAG_SET( ELT(j-3), ef3 );
+	 EDGEFLAG_SET( ELT(j-2), ef2 );
+	 EDGEFLAG_SET( ELT(j-1), ef1 );
+	 EDGEFLAG_SET( ELT(j), ef );
+	 RESET_STIPPLE;
+      }
+   } else {
+      for (j=start+3;j<count;j+=2) {
+	 RENDER_QUAD( ELT(j-3), ELT(j-2), ELT(j), ELT(j-1), ELT(j) );
+      }
+   }
+   POSTFIX;
+}
+
+static void TAG(render_noop)( GLcontext *ctx,
+			      GLuint start,
+			      GLuint count,
+			      GLuint flags )
+{
+   (void)(ctx && start && count && flags);
+}
+
+static render_func TAG(render_tab)[GL_POLYGON+2] = {
+   TAG(render_points),
+   TAG(render_lines),
+   TAG(render_line_loop),
+   TAG(render_line_strip),
+   TAG(render_triangles),
+   TAG(render_tri_strip),
+   TAG(render_tri_fan),
+   TAG(render_quads),
+   TAG(render_quad_strip),
+   TAG(render_poly),
+   TAG(render_noop),
+};
+
+
+
+#ifndef PRESERVE_VB_DEFS
+#undef RENDER_TRI
+#undef RENDER_QUAD
+#undef RENDER_LINE
+#undef RENDER_POINTS
+#undef LOCAL_VARS
+#undef INIT
+#undef POSTFIX
+#undef RESET_STIPPLE
+#undef DBG
+#undef ELT
+#endif
+
+#ifndef PRESERVE_TAG
+#undef TAG
+#endif
+
+#undef PRESERVE_VB_DEFS
+#undef PRESERVE_TAG
+