Fix copying problem (light spots) on evaluated surfaces.

6 files changed, 52 insertions, 70 deletions

diff --git a/src/mesa/tnl/t_context.h b/src/mesa/tnl/t_context.h
index 7142f316165..afa7b3fe001 100644
--- a/src/mesa/tnl/t_context.h
+++ b/src/mesa/tnl/t_context.h
@@ -1,4 +1,4 @@
-/* $Id: t_context.h,v 1.30 2001/07/12 22:09:22 keithw Exp $ */
+/* $Id: t_context.h,v 1.31 2001/08/01 05:10:42 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -189,6 +189,7 @@ struct immediate
    GLuint CopyOrFlag;
    GLuint CopyAndFlag;
    GLuint CopyTexSize;
+   GLuint Evaluated;
 
 
    /* allocate storage for these on demand:
diff --git a/src/mesa/tnl/t_imm_debug.c b/src/mesa/tnl/t_imm_debug.c
index d641ee10493..78121f9e5a6 100644
--- a/src/mesa/tnl/t_imm_debug.c
+++ b/src/mesa/tnl/t_imm_debug.c
@@ -1,4 +1,4 @@
-/* $Id: t_imm_debug.c,v 1.3 2001/04/28 08:39:18 keithw Exp $ */
+/* $Id: t_imm_debug.c,v 1.4 2001/08/01 05:10:42 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -66,7 +66,7 @@ void _tnl_print_cassette( struct immediate *IM )
    GLuint i;
    GLuint *flags = IM->Flag;
    GLuint andflag = IM->CopyAndFlag;
-   GLuint orflag = IM->CopyOrFlag;
+   GLuint orflag = (IM->CopyOrFlag|IM->Evaluated);
    GLuint state = IM->BeginState;
    GLuint req = ~0;
 
diff --git a/src/mesa/tnl/t_imm_eval.c b/src/mesa/tnl/t_imm_eval.c
index f6d33dfa1a4..1ae006666fd 100644
--- a/src/mesa/tnl/t_imm_eval.c
+++ b/src/mesa/tnl/t_imm_eval.c
@@ -1,4 +1,4 @@
-/* $Id: t_imm_eval.c,v 1.13 2001/05/14 09:00:51 keithw Exp $ */
+/* $Id: t_imm_eval.c,v 1.14 2001/08/01 05:10:42 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -343,7 +343,14 @@ static void copy_4f_stride( GLfloat to[][4], GLfloat *from,
 
 static void copy_3f( GLfloat to[][3], GLfloat from[][3], GLuint count )
 {
-   MEMCPY( to, from, (count) * sizeof(to[0]));
+   int i;
+/*     MEMCPY( to, from, (count) * sizeof(to[0])); */
+   for (i = 0 ; i < count ; i++) {
+/*        fprintf(stderr, "copy norm %d from %p: %f %f %f\n", i, */
+/*  	      from[i], */
+/*  	      from[i][0], from[i][1], from[i][2]); */
+      COPY_3FV(to[i], from[i]);
+   }
 }
 
 
@@ -442,8 +449,8 @@ void _tnl_eval_immediate( GLcontext *ctx, struct immediate *IM )
    else
       copycount = IM->Count - IM->CopyStart; /* copy all vertices */
 
-/*     fprintf(stderr, "%s copystart %d start %d count %d copycount %d\n", */
-/*  	   __FUNCTION__, IM->CopyStart, IM->Start, IM->Count, copycount); */
+/*       fprintf(stderr, "%s copystart %d start %d count %d copycount %d\n", */
+/*    	   __FUNCTION__, IM->CopyStart, IM->Start, IM->Count, copycount);  */
 
    if (!store)
       store = tnl->eval.im = _tnl_alloc_immediate( ctx );
@@ -509,16 +516,6 @@ void _tnl_eval_immediate( GLcontext *ctx, struct immediate *IM )
 	 eval2_1ui( &tmp->Index, coord, flags, &ctx->EvalMap.Map2Index );
 	 generated |= VERT_EVAL_C2|VERT_EVAL_P2;
       }
-
-      /* Propogate values to generate correct vertices when vertex
-       * maps are disabled.
-       */
-      if (purge_flags & generated)
-	 _tnl_fixup_1ui( tmp->Index.data, flags, 0, 
-			 VERT_INDEX|
-			 VERT_OBJ|
-			 generated|
-			 (VERT_EVAL_ANY&~purge_flags) );
    }
 
    if (req & VERT_RGBA)
@@ -545,17 +542,6 @@ void _tnl_eval_immediate( GLcontext *ctx, struct immediate *IM )
 	 eval2_4f_ca( &tmp->Color, coord, flags, 4, &ctx->EvalMap.Map2Color4 );
 	 generated |= VERT_EVAL_C2|VERT_EVAL_P2;
       }
-
-      /* Propogate values to generate correct vertices when vertex
-       * maps are disabled.
-       */
-      if (purge_flags & generated)
-	 _tnl_fixup_4f( store->Color + IM->CopyStart, 
-			flags, 0, 
-			VERT_RGBA|
-			VERT_OBJ|
-			generated|
-			(VERT_EVAL_ANY&~purge_flags) );
    }
 
 
@@ -617,16 +603,6 @@ void _tnl_eval_immediate( GLcontext *ctx, struct immediate *IM )
 	    generated |= VERT_EVAL_C2|VERT_EVAL_P2;
 	 }
       }
-
-      /* Propogate values to generate correct vertices when vertex
-       * maps are disabled.
-       */
-      if (purge_flags & generated)
-	 _tnl_fixup_4f( tmp->TexCoord[0].data, flags, 0, 
-			VERT_TEX0|
-			VERT_OBJ|
-			generated|
-			(VERT_EVAL_ANY&~purge_flags) );
    }
 
 
@@ -635,7 +611,7 @@ void _tnl_eval_immediate( GLcontext *ctx, struct immediate *IM )
       GLuint generated = 0;
 
       if (copycount) {
-/*  	 fprintf(stderr, "%s: Copy normals\n", __FUNCTION__); */
+/*    	 fprintf(stderr, "%s: Copy normals\n", __FUNCTION__);  */
 	 copy_3f( store->Normal + IM->CopyStart, tmp->Normal.data, 
 		  copycount );
       }
@@ -654,16 +630,6 @@ void _tnl_eval_immediate( GLcontext *ctx, struct immediate *IM )
 		     &ctx->EvalMap.Map2Normal );
 	 generated |= VERT_EVAL_C2|VERT_EVAL_P2;
       }
-
-      /* Propogate values to generate correct vertices when vertex
-       * maps are disabled.
-       */
-      if (purge_flags & generated)
-	 _tnl_fixup_3f( tmp->Normal.data, flags, 0, 
-			VERT_NORM|
-			VERT_OBJ|
-			generated|
-			(VERT_EVAL_ANY&~purge_flags) );
    }
 
 
@@ -723,8 +689,9 @@ void _tnl_eval_immediate( GLcontext *ctx, struct immediate *IM )
 
 
    /* Calculate new IM->Elts, IM->Primitive, IM->PrimitiveLength for
-    * the case where vertex maps are not enabled for some received eval
-    * coordinates.
+    * the case where vertex maps are not enabled for some received
+    * eval coordinates.  In this case those slots in the immediate
+    * must be ignored.
     */
    if (purge_flags) {
       GLuint vertex = VERT_OBJ|(VERT_EVAL_ANY & ~purge_flags);
@@ -763,6 +730,6 @@ void _tnl_eval_immediate( GLcontext *ctx, struct immediate *IM )
       tnl->vb.Flag = store->Flag;
       for (i = 0 ; i < count ; i++)
 	 store->Flag[i] |= req;
-      IM->CopyOrFlag |= req;	/* hack for copying. */
+      IM->Evaluated = req;	/* hack for copying. */
    }
 }
diff --git a/src/mesa/tnl/t_imm_exec.c b/src/mesa/tnl/t_imm_exec.c
index 547af43a397..b99260bfbc5 100644
--- a/src/mesa/tnl/t_imm_exec.c
+++ b/src/mesa/tnl/t_imm_exec.c
@@ -1,4 +1,4 @@
-/* $Id: t_imm_exec.c,v 1.27 2001/06/28 17:34:14 keithw Exp $ */
+/* $Id: t_imm_exec.c,v 1.28 2001/08/01 05:10:42 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -199,6 +199,7 @@ void _tnl_compute_orflag( struct immediate *IM, GLuint start )
    IM->Flag[IM->LastData+1] |= VERT_END_VB;
    IM->CopyAndFlag = IM->AndFlag = andflag;
    IM->CopyOrFlag = IM->OrFlag = orflag;
+   IM->Evaluated = 0;
 }
 
 
diff --git a/src/mesa/tnl/t_imm_fixup.c b/src/mesa/tnl/t_imm_fixup.c
index 607235d327b..b5f191e3a38 100644
--- a/src/mesa/tnl/t_imm_fixup.c
+++ b/src/mesa/tnl/t_imm_fixup.c
@@ -1,4 +1,4 @@
-/* $Id: t_imm_fixup.c,v 1.23 2001/07/17 21:44:37 keithw Exp $ */
+/* $Id: t_imm_fixup.c,v 1.24 2001/08/01 05:10:42 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -74,8 +74,14 @@ _tnl_fixup_3f( float data[][3], GLuint flag[], GLuint start, GLuint match )
 {
    GLuint i = start;
 
+
    for (;;) {
       if ((flag[++i] & match) == 0) {
+/*  	 fprintf(stderr, "_tnl_fixup_3f copy to %p values %f %f %f\n", */
+/*  		 data[i],  */
+/*  		 data[i-1][0], */
+/*  		 data[i-1][1], */
+/*  		 data[i-1][2]); */
 	 COPY_3V(data[i], data[i-1]);
 	 if (flag[i] & VERT_END_VB) break;
       }
@@ -145,6 +151,8 @@ fixup_first_3f( GLfloat data[][3], GLuint flag[], GLuint match,
    GLuint i = start-1;
    match |= VERT_END_VB;
 
+/*     fprintf(stderr, "fixup_first_3f\n"); */
+
    while ((flag[++i]&match) == 0)
       COPY_3FV(data[i], dflt);
 }
@@ -190,7 +198,7 @@ void _tnl_fixup_input( GLcontext *ctx, struct immediate *IM )
    TNLcontext *tnl = TNL_CONTEXT(ctx);
    GLuint start = IM->CopyStart;
    GLuint andflag = IM->CopyAndFlag;
-   GLuint orflag = IM->CopyOrFlag;
+   GLuint orflag = IM->CopyOrFlag | IM->Evaluated;
    GLuint fixup;
 
    IM->CopyTexSize = IM->TexSize;
@@ -421,23 +429,21 @@ void _tnl_copy_immediate_vertices( GLcontext *ctx, struct immediate *next )
       next->CopyAndFlag &= VERT_ELT;
    }
    else {
-      /* prev->CopyOrFlag is hacked to include values generated by eval:
-       */
-      GLuint copy = tnl->pipeline.inputs & prev->CopyOrFlag;
+      GLuint copy = tnl->pipeline.inputs & (prev->CopyOrFlag|prev->Evaluated);
       GLuint flag;
 
       if (is_fan_like[ctx->Driver.CurrentExecPrimitive]) {
-	 next->TexSize |= tnl->ExecCopyTexSize;
-	 next->CopyOrFlag |= (prev->CopyOrFlag & VERT_FIXUP);
-	 next->CopyAndFlag &= (prev->CopyOrFlag & VERT_FIXUP);
-	 flag = (prev->CopyOrFlag & VERT_FIXUP);
+	 flag = ((prev->CopyOrFlag|prev->Evaluated) & VERT_FIXUP);
+	 next->CopyOrFlag |= flag;
       } 
       else {
 	 /* Don't let an early 'glColor', etc. poison the elt path.
 	  */
-	 next->CopyAndFlag &= (prev->OrFlag & VERT_FIXUP);
-	 flag = (prev->OrFlag & VERT_FIXUP);
+	 flag = ((prev->OrFlag|prev->Evaluated) & VERT_FIXUP);
       }
+
+      next->TexSize |= tnl->ExecCopyTexSize;
+      next->CopyAndFlag &= flag;
 	 
 
       /* Copy whole vertices
@@ -455,8 +461,15 @@ void _tnl_copy_immediate_vertices( GLcontext *ctx, struct immediate *next )
 	  */
 	 COPY_4FV( next->Obj[dst], inputs->Obj.data[isrc] );
 
-	 if (copy & VERT_NORM) 
+	 if (copy & VERT_NORM) {
+/*  	    fprintf(stderr, "copy vert norm %d to %d (%p): %f %f %f\n", */
+/*  		    isrc, dst,  */
+/*  		    next->Normal[dst], */
+/*  		    inputs->Normal.data[isrc][0], */
+/*  		    inputs->Normal.data[isrc][1], */
+/*  		    inputs->Normal.data[isrc][2]); */
 	    COPY_3FV( next->Normal[dst], inputs->Normal.data[isrc] );
+	 }
 
 	 if (copy & VERT_RGBA)
 	    COPY_4FV( next->Color[dst], 
@@ -490,8 +503,7 @@ void _tnl_copy_immediate_vertices( GLcontext *ctx, struct immediate *next )
 	 }
 
 	 next->Flag[dst] = flag;
-	 next->OrFlag |= prev->Flag[src]; /* for non-fanlike prims, 
-					     otherwise redundant */
+	 next->CopyOrFlag |= prev->Flag[src];
       }
    }
 
@@ -514,6 +526,7 @@ void _tnl_fixup_compiled_cassette( GLcontext *ctx, struct immediate *IM )
    GLuint fixup;
    GLuint start = IM->Start;
 
+   IM->Evaluated = 0;
    IM->CopyOrFlag = IM->OrFlag;	  
    IM->CopyAndFlag = IM->AndFlag; 
    IM->CopyTexSize = IM->TexSize | tnl->ExecCopyTexSize;
diff --git a/src/mesa/tnl/t_vb_lighttmp.h b/src/mesa/tnl/t_vb_lighttmp.h
index ff3dead13ef..f26f1df68b6 100644
--- a/src/mesa/tnl/t_vb_lighttmp.h
+++ b/src/mesa/tnl/t_vb_lighttmp.h
@@ -1,4 +1,4 @@
-/* $Id: t_vb_lighttmp.h,v 1.14 2001/07/28 19:28:49 keithw Exp $ */
+/* $Id: t_vb_lighttmp.h,v 1.15 2001/08/01 05:10:42 keithw Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -117,7 +117,7 @@ static void TAG(light_rgba_spec)( GLcontext *ctx,
 
 
 
-/*     fprintf(stderr, "%s\n", __FUNCTION__ );  */
+/*     fprintf(stderr, "%s\n", __FUNCTION__ );   */
 
    spec[0] = Fspec;
    spec[1] = Bspec;
@@ -588,7 +588,6 @@ static void TAG(light_fast_rgba_single)( GLcontext *ctx,
       do {
 	 GLfloat n_dot_VP = DOT3(normal, light->_VP_inf_norm);
 
-
 	 if (n_dot_VP < 0.0F) {
 	    if (IDX & LIGHT_TWOSIDE) {
 	       GLfloat n_dot_h = -DOT3(normal, light->_h_inf_norm);
@@ -699,6 +698,7 @@ static void TAG(light_fast_rgba)( GLcontext *ctx,
 				       ctx->Light.Material[1].Diffuse[3]);
 	 }
 
+
 	 COPY_3V(sum[0], ctx->Light._BaseColor[0]);
 	 if (IDX & LIGHT_TWOSIDE)
 	    COPY_3V(sum[1], ctx->Light._BaseColor[1]);