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authormarha <marha@users.sourceforge.net>2012-06-08 09:33:13 +0200
committermarha <marha@users.sourceforge.net>2012-06-08 09:33:13 +0200
commit990bc3f015a4f8fce2eb918375defcd44980a845 (patch)
tree8e8301f19482b52cc00bd95b4593522cc93267af /mesalib/src/mesa/math/m_debug_clip.c
parent1af6fc1b5d93e54d6674de8b5870448b29f139a7 (diff)
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Used synchronise script to update files
Diffstat (limited to 'mesalib/src/mesa/math/m_debug_clip.c')
-rw-r--r--mesalib/src/mesa/math/m_debug_clip.c818
1 files changed, 409 insertions, 409 deletions
diff --git a/mesalib/src/mesa/math/m_debug_clip.c b/mesalib/src/mesa/math/m_debug_clip.c
index 36d2a9e64..bbad6ef02 100644
--- a/mesalib/src/mesa/math/m_debug_clip.c
+++ b/mesalib/src/mesa/math/m_debug_clip.c
@@ -1,409 +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]);
-
-
-/**
- * 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 */
+/*
+ * 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 */