svn merge ^/branches/released .

1 files changed, 409 insertions, 382 deletions

diff --git a/mesalib/src/mesa/math/m_debug_clip.c b/mesalib/src/mesa/math/m_debug_clip.c
index 7ea5428aa..36d2a9e64 100644
--- a/mesalib/src/mesa/math/m_debug_clip.c
+++ b/mesalib/src/mesa/math/m_debug_clip.c
@@ -1,382 +1,409 @@
-/*
- * Mesa 3-D graphics library
- * Version:  6.1
- *
- * 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"),
- * 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.
- *
- * Authors:
- *    Gareth Hughes
- */
-
-#include "main/glheader.h"
-#include "main/context.h"
-#include "main/macros.h"
-#include "main/imports.h"
-
-#include "m_matrix.h"
-#include "m_xform.h"
-
-#include "m_debug.h"
-#include "m_debug_util.h"
-
-#ifdef __UNIXOS2__
-/* The linker doesn't like empty files */
-static char dummy;
-#endif
-
-#ifdef DEBUG_MATH  /* This code only used for debugging */
-
-static clip_func *clip_tab[2] = {
-   _mesa_clip_tab,
-   _mesa_clip_np_tab
-};
-static char *cnames[2] = {
-   "_mesa_clip_tab",
-   "_mesa_clip_np_tab"
-};
-#ifdef RUN_DEBUG_BENCHMARK
-static char *cstrings[2] = {
-   "clip, perspective divide",
-   "clip, no divide"
-};
-#endif
-
-
-/* =============================================================
- * Reference cliptests
- */
-
-static GLvector4f *ref_cliptest_points4( GLvector4f *clip_vec,
-					 GLvector4f *proj_vec,
-					 GLubyte clipMask[],
-					 GLubyte *orMask,
-					 GLubyte *andMask,
-					 GLboolean viewport_z_clip )
-{
-   const GLuint stride = clip_vec->stride;
-   const GLuint count = clip_vec->count;
-   const GLfloat *from = (GLfloat *)clip_vec->start;
-   GLuint c = 0;
-   GLfloat (*vProj)[4] = (GLfloat (*)[4])proj_vec->start;
-   GLubyte tmpAndMask = *andMask;
-   GLubyte tmpOrMask = *orMask;
-   GLuint i;
-   for ( i = 0 ; i < count ; i++, STRIDE_F(from, stride) ) {
-      const GLfloat cx = from[0];
-      const GLfloat cy = from[1];
-      const GLfloat cz = from[2];
-      const GLfloat cw = from[3];
-      GLubyte mask = 0;
-      if ( -cx + cw < 0 ) mask |= CLIP_RIGHT_BIT;
-      if (  cx + cw < 0 ) mask |= CLIP_LEFT_BIT;
-      if ( -cy + cw < 0 ) mask |= CLIP_TOP_BIT;
-      if (  cy + cw < 0 ) mask |= CLIP_BOTTOM_BIT;
-      if (viewport_z_clip) {
-	 if ( -cz + cw < 0 ) mask |= CLIP_FAR_BIT;
-	 if (  cz + cw < 0 ) mask |= CLIP_NEAR_BIT;
-      }
-      clipMask[i] = mask;
-      if ( mask ) {
-	 c++;
-	 tmpAndMask &= mask;
-	 tmpOrMask |= mask;
-	 vProj[i][0] = 0;
-	 vProj[i][1] = 0;
-	 vProj[i][2] = 0;
-	 vProj[i][3] = 1;
-      } else {
-	 GLfloat oow = 1.0F / cw;
-	 vProj[i][0] = cx * oow;
-	 vProj[i][1] = cy * oow;
-	 vProj[i][2] = cz * oow;
-	 vProj[i][3] = oow;
-      }
-   }
-
-   *orMask = tmpOrMask;
-   *andMask = (GLubyte) (c < count ? 0 : tmpAndMask);
-
-   proj_vec->flags |= VEC_SIZE_4;
-   proj_vec->size = 4;
-   proj_vec->count = clip_vec->count;
-   return proj_vec;
-}
-
-/* Keep these here for now, even though we don't use them...
- */
-static GLvector4f *ref_cliptest_points3( GLvector4f *clip_vec,
-					 GLvector4f *proj_vec,
-					 GLubyte clipMask[],
-					 GLubyte *orMask,
-					 GLubyte *andMask,
-                                         GLboolean viewport_z_clip )
-{
-   const GLuint stride = clip_vec->stride;
-   const GLuint count = clip_vec->count;
-   const GLfloat *from = (GLfloat *)clip_vec->start;
-
-   GLubyte tmpOrMask = *orMask;
-   GLubyte tmpAndMask = *andMask;
-   GLuint i;
-   for ( i = 0 ; i < count ; i++, STRIDE_F(from, stride) ) {
-      const GLfloat cx = from[0], cy = from[1], cz = from[2];
-      GLubyte mask = 0;
-      if ( cx >  1.0 )		mask |= CLIP_RIGHT_BIT;
-      else if ( cx < -1.0 )	mask |= CLIP_LEFT_BIT;
-      if ( cy >  1.0 )		mask |= CLIP_TOP_BIT;
-      else if ( cy < -1.0 )	mask |= CLIP_BOTTOM_BIT;
-      if (viewport_z_clip) {
-         if ( cz >  1.0 )		mask |= CLIP_FAR_BIT;
-         else if ( cz < -1.0 )	mask |= CLIP_NEAR_BIT;
-      }
-      clipMask[i] = mask;
-      tmpOrMask |= mask;
-      tmpAndMask &= mask;
-   }
-
-   *orMask = tmpOrMask;
-   *andMask = tmpAndMask;
-   return clip_vec;
-}
-
-static GLvector4f * ref_cliptest_points2( GLvector4f *clip_vec,
-					  GLvector4f *proj_vec,
-					  GLubyte clipMask[],
-					  GLubyte *orMask,
-					  GLubyte *andMask,
-                                          GLboolean viewport_z_clip )
-{
-   const GLuint stride = clip_vec->stride;
-   const GLuint count = clip_vec->count;
-   const GLfloat *from = (GLfloat *)clip_vec->start;
-
-   GLubyte tmpOrMask = *orMask;
-   GLubyte tmpAndMask = *andMask;
-   GLuint i;
-
-   (void) viewport_z_clip;
-
-   for ( i = 0 ; i < count ; i++, STRIDE_F(from, stride) ) {
-      const GLfloat cx = from[0], cy = from[1];
-      GLubyte mask = 0;
-      if ( cx >  1.0 )		mask |= CLIP_RIGHT_BIT;
-      else if ( cx < -1.0 )	mask |= CLIP_LEFT_BIT;
-      if ( cy >  1.0 )		mask |= CLIP_TOP_BIT;
-      else if ( cy < -1.0 )	mask |= CLIP_BOTTOM_BIT;
-      clipMask[i] = mask;
-      tmpOrMask |= mask;
-      tmpAndMask &= mask;
-   }
-
-   *orMask = tmpOrMask;
-   *andMask = tmpAndMask;
-   return clip_vec;
-}
-
-static clip_func ref_cliptest[5] = {
-   0,
-   0,
-   ref_cliptest_points2,
-   ref_cliptest_points3,
-   ref_cliptest_points4
-};
-
-
-/* =============================================================
- * Cliptest tests
- */
-
-ALIGN16(static GLfloat, s[TEST_COUNT][4]);
-ALIGN16(static GLfloat, d[TEST_COUNT][4]);
-ALIGN16(static GLfloat, r[TEST_COUNT][4]);
-
-
-static int test_cliptest_function( clip_func func, int np,
-				   int psize, long *cycles )
-{
-   GLvector4f source[1], dest[1], ref[1];
-   GLubyte dm[TEST_COUNT], dco, dca;
-   GLubyte rm[TEST_COUNT], rco, rca;
-   int i, j;
-#ifdef  RUN_DEBUG_BENCHMARK
-   int cycle_i;                /* the counter for the benchmarks we run */
-#endif
-   GLboolean viewport_z_clip = GL_TRUE;
-
-   (void) cycles;
-
-   if ( psize > 4 ) {
-      _mesa_problem( NULL, "test_cliptest_function called with psize > 4\n" );
-      return 0;
-   }
-
-   for ( i = 0 ; i < TEST_COUNT ; i++) {
-      ASSIGN_4V( d[i], 0.0, 0.0, 0.0, 1.0 );
-      ASSIGN_4V( s[i], 0.0, 0.0, 0.0, 1.0 );
-      for ( j = 0 ; j < psize ; j++ )
-         s[i][j] = rnd();
-   }
-
-   source->data = (GLfloat(*)[4])s;
-   source->start = (GLfloat *)s;
-   source->count = TEST_COUNT;
-   source->stride = sizeof(s[0]);
-   source->size = 4;
-   source->flags = 0;
-
-   dest->data = (GLfloat(*)[4])d;
-   dest->start = (GLfloat *)d;
-   dest->count = TEST_COUNT;
-   dest->stride = sizeof(float[4]);
-   dest->size = 0;
-   dest->flags = 0;
-
-   ref->data = (GLfloat(*)[4])r;
-   ref->start = (GLfloat *)r;
-   ref->count = TEST_COUNT;
-   ref->stride = sizeof(float[4]);
-   ref->size = 0;
-   ref->flags = 0;
-
-   dco = rco = 0;
-   dca = rca = CLIP_FRUSTUM_BITS;
-
-   ref_cliptest[psize]( source, ref, rm, &rco, &rca, viewport_z_clip );
-
-   if ( mesa_profile ) {
-      BEGIN_RACE( *cycles );
-      func( source, dest, dm, &dco, &dca, viewport_z_clip );
-      END_RACE( *cycles );
-   }
-   else {
-      func( source, dest, dm, &dco, &dca, viewport_z_clip );
-   }
-
-   if ( dco != rco ) {
-      printf( "\n-----------------------------\n" );
-      printf( "dco = 0x%02x   rco = 0x%02x\n", dco, rco );
-      return 0;
-   }
-   if ( dca != rca ) {
-      printf( "\n-----------------------------\n" );
-      printf( "dca = 0x%02x   rca = 0x%02x\n", dca, rca );
-      return 0;
-   }
-   for ( i = 0 ; i < TEST_COUNT ; i++ ) {
-      if ( dm[i] != rm[i] ) {
-	 printf( "\n-----------------------------\n" );
-	 printf( "(i = %i)\n", i );
-	 printf( "dm = 0x%02x   rm = 0x%02x\n", dm[i], rm[i] );
-	 return 0;
-      }
-   }
-
-   /* Only verify output on projected points4 case.  FIXME: Do we need
-    * to test other cases?
-    */
-   if ( np || psize < 4 )
-      return 1;
-
-   for ( i = 0 ; i < TEST_COUNT ; i++ ) {
-      for ( j = 0 ; j < 4 ; j++ ) {
-         if ( significand_match( d[i][j], r[i][j] ) < REQUIRED_PRECISION ) {
-            printf( "\n-----------------------------\n" );
-            printf( "(i = %i, j = %i)  dm = 0x%02x   rm = 0x%02x\n",
-		    i, j, dm[i], rm[i] );
-            printf( "%f \t %f \t [diff = %e - %i bit missed]\n",
-		    d[i][0], r[i][0], r[i][0]-d[i][0],
-		    MAX_PRECISION - significand_match( d[i][0], r[i][0] ) );
-            printf( "%f \t %f \t [diff = %e - %i bit missed]\n",
-		    d[i][1], r[i][1], r[i][1]-d[i][1],
-		    MAX_PRECISION - significand_match( d[i][1], r[i][1] ) );
-            printf( "%f \t %f \t [diff = %e - %i bit missed]\n",
-		    d[i][2], r[i][2], r[i][2]-d[i][2],
-		    MAX_PRECISION - significand_match( d[i][2], r[i][2] ) );
-            printf( "%f \t %f \t [diff = %e - %i bit missed]\n",
-		    d[i][3], r[i][3], r[i][3]-d[i][3],
-		    MAX_PRECISION - significand_match( d[i][3], r[i][3] ) );
-            return 0;
-         }
-      }
-   }
-
-   return 1;
-}
-
-void _math_test_all_cliptest_functions( char *description )
-{
-   int np, psize;
-   long benchmark_tab[2][4];
-   static int first_time = 1;
-
-   if ( first_time ) {
-      first_time = 0;
-      mesa_profile = _mesa_getenv( "MESA_PROFILE" );
-   }
-
-#ifdef RUN_DEBUG_BENCHMARK
-   if ( mesa_profile ) {
-      if ( !counter_overhead ) {
-	 INIT_COUNTER();
-	 printf( "counter overhead: %ld cycles\n\n", counter_overhead );
-      }
-      printf( "cliptest results after hooking in %s functions:\n", description );
-   }
-#endif
-
-#ifdef RUN_DEBUG_BENCHMARK
-   if ( mesa_profile ) {
-      printf( "\n\t" );
-      for ( psize = 2 ; psize <= 4 ; psize++ ) {
-	 printf( " p%d\t", psize );
-      }
-      printf( "\n--------------------------------------------------------\n\t" );
-   }
-#endif
-
-   for ( np = 0 ; np < 2 ; np++ ) {
-      for ( psize = 2 ; psize <= 4 ; psize++ ) {
-	 clip_func func = clip_tab[np][psize];
-	 long *cycles = &(benchmark_tab[np][psize-1]);
-
-	 if ( test_cliptest_function( func, np, psize, cycles ) == 0 ) {
-	    char buf[100];
-	    sprintf( buf, "%s[%d] failed test (%s)",
-		     cnames[np], psize, description );
-	    _mesa_problem( NULL, buf );
-	 }
-#ifdef RUN_DEBUG_BENCHMARK
-	 if ( mesa_profile )
-	    printf( " %li\t", benchmark_tab[np][psize-1] );
-#endif
-      }
-#ifdef RUN_DEBUG_BENCHMARK
-      if ( mesa_profile )
-	 printf( " | [%s]\n\t", cstrings[np] );
-#endif
-   }
-#ifdef RUN_DEBUG_BENCHMARK
-   if ( mesa_profile )
-      printf( "\n" );
-#endif
-}
-
-
-#endif /* DEBUG_MATH */
+/*

+ * Mesa 3-D graphics library

+ * Version:  6.1

+ *

+ * 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"),

+ * 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.

+ *

+ * Authors:

+ *    Gareth Hughes

+ */

+

+#include "main/glheader.h"

+#include "main/context.h"

+#include "main/macros.h"

+#include "main/imports.h"

+

+#include "m_matrix.h"

+#include "m_xform.h"

+

+#include "m_debug.h"

+#include "m_debug_util.h"

+

+#ifdef __UNIXOS2__

+/* The linker doesn't like empty files */

+static char dummy;

+#endif

+

+#ifdef DEBUG_MATH  /* This code only used for debugging */

+

+static clip_func *clip_tab[2] = {

+   _mesa_clip_tab,

+   _mesa_clip_np_tab

+};

+static char *cnames[2] = {

+   "_mesa_clip_tab",

+   "_mesa_clip_np_tab"

+};

+#ifdef RUN_DEBUG_BENCHMARK

+static char *cstrings[2] = {

+   "clip, perspective divide",

+   "clip, no divide"

+};

+#endif

+

+

+/* =============================================================

+ * Reference cliptests

+ */

+

+static GLvector4f *ref_cliptest_points4( GLvector4f *clip_vec,

+					 GLvector4f *proj_vec,

+					 GLubyte clipMask[],

+					 GLubyte *orMask,

+					 GLubyte *andMask,

+					 GLboolean viewport_z_clip )

+{

+   const GLuint stride = clip_vec->stride;

+   const GLuint count = clip_vec->count;

+   const GLfloat *from = (GLfloat *)clip_vec->start;

+   GLuint c = 0;

+   GLfloat (*vProj)[4] = (GLfloat (*)[4])proj_vec->start;

+   GLubyte tmpAndMask = *andMask;

+   GLubyte tmpOrMask = *orMask;

+   GLuint i;

+   for ( i = 0 ; i < count ; i++, STRIDE_F(from, stride) ) {

+      const GLfloat cx = from[0];

+      const GLfloat cy = from[1];

+      const GLfloat cz = from[2];

+      const GLfloat cw = from[3];

+      GLubyte mask = 0;

+      if ( -cx + cw < 0 ) mask |= CLIP_RIGHT_BIT;

+      if (  cx + cw < 0 ) mask |= CLIP_LEFT_BIT;

+      if ( -cy + cw < 0 ) mask |= CLIP_TOP_BIT;

+      if (  cy + cw < 0 ) mask |= CLIP_BOTTOM_BIT;

+      if (viewport_z_clip) {

+	 if ( -cz + cw < 0 ) mask |= CLIP_FAR_BIT;

+	 if (  cz + cw < 0 ) mask |= CLIP_NEAR_BIT;

+      }

+      clipMask[i] = mask;

+      if ( mask ) {

+	 c++;

+	 tmpAndMask &= mask;

+	 tmpOrMask |= mask;

+	 vProj[i][0] = 0;

+	 vProj[i][1] = 0;

+	 vProj[i][2] = 0;

+	 vProj[i][3] = 1;

+      } else {

+	 GLfloat oow = 1.0F / cw;

+	 vProj[i][0] = cx * oow;

+	 vProj[i][1] = cy * oow;

+	 vProj[i][2] = cz * oow;

+	 vProj[i][3] = oow;

+      }

+   }

+

+   *orMask = tmpOrMask;

+   *andMask = (GLubyte) (c < count ? 0 : tmpAndMask);

+

+   proj_vec->flags |= VEC_SIZE_4;

+   proj_vec->size = 4;

+   proj_vec->count = clip_vec->count;

+   return proj_vec;

+}

+

+/* Keep these here for now, even though we don't use them...

+ */

+static GLvector4f *ref_cliptest_points3( GLvector4f *clip_vec,

+					 GLvector4f *proj_vec,

+					 GLubyte clipMask[],

+					 GLubyte *orMask,

+					 GLubyte *andMask,

+                                         GLboolean viewport_z_clip )

+{

+   const GLuint stride = clip_vec->stride;

+   const GLuint count = clip_vec->count;

+   const GLfloat *from = (GLfloat *)clip_vec->start;

+

+   GLubyte tmpOrMask = *orMask;

+   GLubyte tmpAndMask = *andMask;

+   GLuint i;

+   for ( i = 0 ; i < count ; i++, STRIDE_F(from, stride) ) {

+      const GLfloat cx = from[0], cy = from[1], cz = from[2];

+      GLubyte mask = 0;

+      if ( cx >  1.0 )		mask |= CLIP_RIGHT_BIT;

+      else if ( cx < -1.0 )	mask |= CLIP_LEFT_BIT;

+      if ( cy >  1.0 )		mask |= CLIP_TOP_BIT;

+      else if ( cy < -1.0 )	mask |= CLIP_BOTTOM_BIT;

+      if (viewport_z_clip) {

+         if ( cz >  1.0 )		mask |= CLIP_FAR_BIT;

+         else if ( cz < -1.0 )	mask |= CLIP_NEAR_BIT;

+      }

+      clipMask[i] = mask;

+      tmpOrMask |= mask;

+      tmpAndMask &= mask;

+   }

+

+   *orMask = tmpOrMask;

+   *andMask = tmpAndMask;

+   return clip_vec;

+}

+

+static GLvector4f * ref_cliptest_points2( GLvector4f *clip_vec,

+					  GLvector4f *proj_vec,

+					  GLubyte clipMask[],

+					  GLubyte *orMask,

+					  GLubyte *andMask,

+                                          GLboolean viewport_z_clip )

+{

+   const GLuint stride = clip_vec->stride;

+   const GLuint count = clip_vec->count;

+   const GLfloat *from = (GLfloat *)clip_vec->start;

+

+   GLubyte tmpOrMask = *orMask;

+   GLubyte tmpAndMask = *andMask;

+   GLuint i;

+

+   (void) viewport_z_clip;

+

+   for ( i = 0 ; i < count ; i++, STRIDE_F(from, stride) ) {

+      const GLfloat cx = from[0], cy = from[1];

+      GLubyte mask = 0;

+      if ( cx >  1.0 )		mask |= CLIP_RIGHT_BIT;

+      else if ( cx < -1.0 )	mask |= CLIP_LEFT_BIT;

+      if ( cy >  1.0 )		mask |= CLIP_TOP_BIT;

+      else if ( cy < -1.0 )	mask |= CLIP_BOTTOM_BIT;

+      clipMask[i] = mask;

+      tmpOrMask |= mask;

+      tmpAndMask &= mask;

+   }

+

+   *orMask = tmpOrMask;

+   *andMask = tmpAndMask;

+   return clip_vec;

+}

+

+static clip_func ref_cliptest[5] = {

+   0,

+   0,

+   ref_cliptest_points2,

+   ref_cliptest_points3,

+   ref_cliptest_points4

+};

+

+

+/* =============================================================

+ * Cliptest tests

+ */

+

+ALIGN16(static GLfloat, s[TEST_COUNT][4]);

+ALIGN16(static GLfloat, d[TEST_COUNT][4]);

+ALIGN16(static GLfloat, r[TEST_COUNT][4]);

+

+

+/**

+ * Check if X, Y or Z component of the coordinate is close to W, in terms

+ * of the clip test.

+ */

+static GLboolean

+xyz_close_to_w(const GLfloat c[4])

+{

+   float k = 0.0001;

+   return (fabs(c[0] - c[3]) < k ||

+           fabs(c[1] - c[3]) < k ||

+           fabs(c[2] - c[3]) < k ||

+           fabs(-c[0] - c[3]) < k ||

+           fabs(-c[1] - c[3]) < k ||

+           fabs(-c[2] - c[3]) < k);

+}

+

+

+

+static int test_cliptest_function( clip_func func, int np,

+				   int psize, long *cycles )

+{

+   GLvector4f source[1], dest[1], ref[1];

+   GLubyte dm[TEST_COUNT], dco, dca;

+   GLubyte rm[TEST_COUNT], rco, rca;

+   int i, j;

+#ifdef  RUN_DEBUG_BENCHMARK

+   int cycle_i;                /* the counter for the benchmarks we run */

+#endif

+   GLboolean viewport_z_clip = GL_TRUE;

+

+   (void) cycles;

+

+   if ( psize > 4 ) {

+      _mesa_problem( NULL, "test_cliptest_function called with psize > 4\n" );

+      return 0;

+   }

+

+   for ( i = 0 ; i < TEST_COUNT ; i++) {

+      ASSIGN_4V( d[i], 0.0, 0.0, 0.0, 1.0 );

+      ASSIGN_4V( s[i], 0.0, 0.0, 0.0, 1.0 );

+      for ( j = 0 ; j < psize ; j++ )

+         s[i][j] = rnd();

+   }

+

+   source->data = (GLfloat(*)[4])s;

+   source->start = (GLfloat *)s;

+   source->count = TEST_COUNT;

+   source->stride = sizeof(s[0]);

+   source->size = 4;

+   source->flags = 0;

+

+   dest->data = (GLfloat(*)[4])d;

+   dest->start = (GLfloat *)d;

+   dest->count = TEST_COUNT;

+   dest->stride = sizeof(float[4]);

+   dest->size = 0;

+   dest->flags = 0;

+

+   ref->data = (GLfloat(*)[4])r;

+   ref->start = (GLfloat *)r;

+   ref->count = TEST_COUNT;

+   ref->stride = sizeof(float[4]);

+   ref->size = 0;

+   ref->flags = 0;

+

+   dco = rco = 0;

+   dca = rca = CLIP_FRUSTUM_BITS;

+

+   ref_cliptest[psize]( source, ref, rm, &rco, &rca, viewport_z_clip );

+

+   if ( mesa_profile ) {

+      BEGIN_RACE( *cycles );

+      func( source, dest, dm, &dco, &dca, viewport_z_clip );

+      END_RACE( *cycles );

+   }

+   else {

+      func( source, dest, dm, &dco, &dca, viewport_z_clip );

+   }

+

+   if ( dco != rco ) {

+      printf( "\n-----------------------------\n" );

+      printf( "dco = 0x%02x   rco = 0x%02x\n", dco, rco );

+      return 0;

+   }

+   if ( dca != rca ) {

+      printf( "\n-----------------------------\n" );

+      printf( "dca = 0x%02x   rca = 0x%02x\n", dca, rca );

+      return 0;

+   }

+   for ( i = 0 ; i < TEST_COUNT ; i++ ) {

+      if ( dm[i] != rm[i] ) {

+         GLfloat *c = source->start;

+         STRIDE_F(c, source->stride * i);

+         if (psize == 4 && xyz_close_to_w(c)) {

+            /* The coordinate is very close to the clip plane.  The clipmask

+             * may vary depending on code path, but that's OK.

+             */

+            continue;

+         }

+	 printf( "\n-----------------------------\n" );

+	 printf( "mask[%d] = 0x%02x   ref mask[%d] = 0x%02x\n", i, dm[i], i,rm[i] );

+         printf(" coord = %f, %f, %f, %f\n",

+                c[0], c[1], c[2], c[3]);

+	 return 0;

+      }

+   }

+

+   /* Only verify output on projected points4 case.  FIXME: Do we need

+    * to test other cases?

+    */

+   if ( np || psize < 4 )

+      return 1;

+

+   for ( i = 0 ; i < TEST_COUNT ; i++ ) {

+      for ( j = 0 ; j < 4 ; j++ ) {

+         if ( significand_match( d[i][j], r[i][j] ) < REQUIRED_PRECISION ) {

+            printf( "\n-----------------------------\n" );

+            printf( "(i = %i, j = %i)  dm = 0x%02x   rm = 0x%02x\n",

+		    i, j, dm[i], rm[i] );

+            printf( "%f \t %f \t [diff = %e - %i bit missed]\n",

+		    d[i][0], r[i][0], r[i][0]-d[i][0],

+		    MAX_PRECISION - significand_match( d[i][0], r[i][0] ) );

+            printf( "%f \t %f \t [diff = %e - %i bit missed]\n",

+		    d[i][1], r[i][1], r[i][1]-d[i][1],

+		    MAX_PRECISION - significand_match( d[i][1], r[i][1] ) );

+            printf( "%f \t %f \t [diff = %e - %i bit missed]\n",

+		    d[i][2], r[i][2], r[i][2]-d[i][2],

+		    MAX_PRECISION - significand_match( d[i][2], r[i][2] ) );

+            printf( "%f \t %f \t [diff = %e - %i bit missed]\n",

+		    d[i][3], r[i][3], r[i][3]-d[i][3],

+		    MAX_PRECISION - significand_match( d[i][3], r[i][3] ) );

+            return 0;

+         }

+      }

+   }

+

+   return 1;

+}

+

+void _math_test_all_cliptest_functions( char *description )

+{

+   int np, psize;

+   long benchmark_tab[2][4];

+   static int first_time = 1;

+

+   if ( first_time ) {

+      first_time = 0;

+      mesa_profile = _mesa_getenv( "MESA_PROFILE" );

+   }

+

+#ifdef RUN_DEBUG_BENCHMARK

+   if ( mesa_profile ) {

+      if ( !counter_overhead ) {

+	 INIT_COUNTER();

+	 printf( "counter overhead: %ld cycles\n\n", counter_overhead );

+      }

+      printf( "cliptest results after hooking in %s functions:\n", description );

+   }

+#endif

+

+#ifdef RUN_DEBUG_BENCHMARK

+   if ( mesa_profile ) {

+      printf( "\n\t" );

+      for ( psize = 2 ; psize <= 4 ; psize++ ) {

+	 printf( " p%d\t", psize );

+      }

+      printf( "\n--------------------------------------------------------\n\t" );

+   }

+#endif

+

+   for ( np = 0 ; np < 2 ; np++ ) {

+      for ( psize = 2 ; psize <= 4 ; psize++ ) {

+	 clip_func func = clip_tab[np][psize];

+	 long *cycles = &(benchmark_tab[np][psize-1]);

+

+	 if ( test_cliptest_function( func, np, psize, cycles ) == 0 ) {

+	    char buf[100];

+	    sprintf( buf, "%s[%d] failed test (%s)",

+		     cnames[np], psize, description );

+	    _mesa_problem( NULL, "%s", buf );

+	 }

+#ifdef RUN_DEBUG_BENCHMARK

+	 if ( mesa_profile )

+	    printf( " %li\t", benchmark_tab[np][psize-1] );

+#endif

+      }

+#ifdef RUN_DEBUG_BENCHMARK

+      if ( mesa_profile )

+	 printf( " | [%s]\n\t", cstrings[np] );

+#endif

+   }

+#ifdef RUN_DEBUG_BENCHMARK

+   if ( mesa_profile )

+      printf( "\n" );

+#endif

+}

+

+

+#endif /* DEBUG_MATH */