diff options
Diffstat (limited to 'mesalib/src/mesa/math/m_debug_clip.c')
| -rw-r--r-- | mesalib/src/mesa/math/m_debug_clip.c | 818 |
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 */ |