diff options
Diffstat (limited to 'mesalib/src/mesa/math')
-rw-r--r-- | mesalib/src/mesa/math/m_clip_tmp.h | 44 | ||||
-rw-r--r-- | mesalib/src/mesa/math/m_debug_clip.c | 31 | ||||
-rw-r--r-- | mesalib/src/mesa/math/m_xform.h | 6 |
3 files changed, 54 insertions, 27 deletions
diff --git a/mesalib/src/mesa/math/m_clip_tmp.h b/mesalib/src/mesa/math/m_clip_tmp.h index f3a589be0..2e3096405 100644 --- a/mesalib/src/mesa/math/m_clip_tmp.h +++ b/mesalib/src/mesa/math/m_clip_tmp.h @@ -44,7 +44,8 @@ static GLvector4f * _XFORMAPI TAG(cliptest_points4)( GLvector4f *clip_vec, GLvector4f *proj_vec, GLubyte clipMask[], GLubyte *orMask, - GLubyte *andMask ) + GLubyte *andMask, + GLboolean viewport_z_clip ) { const GLuint stride = clip_vec->stride; const GLfloat *from = (GLfloat *)clip_vec->start; @@ -66,16 +67,20 @@ static GLvector4f * _XFORMAPI TAG(cliptest_points4)( GLvector4f *clip_vec, mask |= (((cw < -cx) << CLIP_LEFT_SHIFT)); mask |= (((cw < cy) << CLIP_TOP_SHIFT)); mask |= (((cw < -cy) << CLIP_BOTTOM_SHIFT)); - mask |= (((cw < cz) << CLIP_FAR_SHIFT)); - mask |= (((cw < -cz) << CLIP_NEAR_SHIFT)); + if (viewport_z_clip) { + mask |= (((cw < cz) << CLIP_FAR_SHIFT)); + mask |= (((cw < -cz) << CLIP_NEAR_SHIFT)); + } #else /* !defined(macintosh)) */ 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 (-cz + cw < 0) mask |= CLIP_FAR_BIT; - if ( cz + cw < 0) mask |= CLIP_NEAR_BIT; + if (viewport_z_clip) { + if (-cz + cw < 0) mask |= CLIP_FAR_BIT; + if ( cz + cw < 0) mask |= CLIP_NEAR_BIT; + } #endif /* defined(macintosh) */ clipMask[i] = mask; @@ -119,7 +124,8 @@ static GLvector4f * _XFORMAPI TAG(cliptest_np_points4)( GLvector4f *clip_vec, GLvector4f *proj_vec, GLubyte clipMask[], GLubyte *orMask, - GLubyte *andMask ) + GLubyte *andMask, + GLboolean viewport_z_clip ) { const GLuint stride = clip_vec->stride; const GLuint count = clip_vec->count; @@ -141,16 +147,20 @@ static GLvector4f * _XFORMAPI TAG(cliptest_np_points4)( GLvector4f *clip_vec, mask |= (((cw < -cx) << CLIP_LEFT_SHIFT)); mask |= (((cw < cy) << CLIP_TOP_SHIFT)); mask |= (((cw < -cy) << CLIP_BOTTOM_SHIFT)); - mask |= (((cw < cz) << CLIP_FAR_SHIFT)); - mask |= (((cw < -cz) << CLIP_NEAR_SHIFT)); + if (viewport_z_clip) { + mask |= (((cw < cz) << CLIP_FAR_SHIFT)); + mask |= (((cw < -cz) << CLIP_NEAR_SHIFT)); + } #else /* !defined(macintosh)) */ 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 (-cz + cw < 0) mask |= CLIP_FAR_BIT; - if ( cz + cw < 0) mask |= CLIP_NEAR_BIT; + if (viewport_z_clip) { + if (-cz + cw < 0) mask |= CLIP_FAR_BIT; + if ( cz + cw < 0) mask |= CLIP_NEAR_BIT; + } #endif /* defined(macintosh) */ clipMask[i] = mask; @@ -171,7 +181,8 @@ static GLvector4f * _XFORMAPI TAG(cliptest_points3)( GLvector4f *clip_vec, GLvector4f *proj_vec, GLubyte clipMask[], GLubyte *orMask, - GLubyte *andMask ) + GLubyte *andMask, + GLboolean viewport_z_clip ) { const GLuint stride = clip_vec->stride; const GLuint count = clip_vec->count; @@ -187,8 +198,10 @@ static GLvector4f * _XFORMAPI TAG(cliptest_points3)( GLvector4f *clip_vec, 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 (cz > 1.0) mask |= CLIP_FAR_BIT; - else if (cz < -1.0) mask |= CLIP_NEAR_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; @@ -204,7 +217,8 @@ static GLvector4f * _XFORMAPI TAG(cliptest_points2)( GLvector4f *clip_vec, GLvector4f *proj_vec, GLubyte clipMask[], GLubyte *orMask, - GLubyte *andMask ) + GLubyte *andMask, + GLboolean viewport_z_clip ) { const GLuint stride = clip_vec->stride; const GLuint count = clip_vec->count; @@ -231,7 +245,7 @@ static GLvector4f * _XFORMAPI TAG(cliptest_points2)( GLvector4f *clip_vec, } -static void TAG(init_c_cliptest)( void ) +void TAG(init_c_cliptest)( void ) { _mesa_clip_tab[4] = TAG(cliptest_points4); _mesa_clip_tab[3] = TAG(cliptest_points3); diff --git a/mesalib/src/mesa/math/m_debug_clip.c b/mesalib/src/mesa/math/m_debug_clip.c index 460fed4a7..95ae5a347 100644 --- a/mesalib/src/mesa/math/m_debug_clip.c +++ b/mesalib/src/mesa/math/m_debug_clip.c @@ -67,7 +67,8 @@ static GLvector4f *ref_cliptest_points4( GLvector4f *clip_vec, GLvector4f *proj_vec, GLubyte clipMask[], GLubyte *orMask, - GLubyte *andMask ) + GLubyte *andMask, + GLboolean viewport_z_clip ) { const GLuint stride = clip_vec->stride; const GLuint count = clip_vec->count; @@ -87,8 +88,10 @@ static GLvector4f *ref_cliptest_points4( GLvector4f *clip_vec, 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 ( -cz + cw < 0 ) mask |= CLIP_FAR_BIT; - if ( cz + cw < 0 ) mask |= CLIP_NEAR_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++; @@ -122,7 +125,8 @@ static GLvector4f *ref_cliptest_points3( GLvector4f *clip_vec, GLvector4f *proj_vec, GLubyte clipMask[], GLubyte *orMask, - GLubyte *andMask ) + GLubyte *andMask, + GLboolean viewport_z_clip ) { const GLuint stride = clip_vec->stride; const GLuint count = clip_vec->count; @@ -138,8 +142,10 @@ static GLvector4f *ref_cliptest_points3( GLvector4f *clip_vec, 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 ( cz > 1.0 ) mask |= CLIP_FAR_BIT; - else if ( cz < -1.0 ) mask |= CLIP_NEAR_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; @@ -154,7 +160,8 @@ static GLvector4f * ref_cliptest_points2( GLvector4f *clip_vec, GLvector4f *proj_vec, GLubyte clipMask[], GLubyte *orMask, - GLubyte *andMask ) + GLubyte *andMask, + GLboolean viewport_z_clip ) { const GLuint stride = clip_vec->stride; const GLuint count = clip_vec->count; @@ -163,6 +170,9 @@ static GLvector4f * ref_cliptest_points2( GLvector4f *clip_vec, 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; @@ -208,6 +218,7 @@ static int test_cliptest_function( clip_func func, int np, #ifdef RUN_DEBUG_BENCHMARK int cycle_i; /* the counter for the benchmarks we run */ #endif + GLboolean viewport_z_clip = GL_TRUE; (void) cycles; @@ -247,15 +258,15 @@ static int test_cliptest_function( clip_func func, int np, dco = rco = 0; dca = rca = CLIP_FRUSTUM_BITS; - ref_cliptest[psize]( source, ref, rm, &rco, &rca ); + ref_cliptest[psize]( source, ref, rm, &rco, &rca, viewport_z_clip ); if ( mesa_profile ) { BEGIN_RACE( *cycles ); - func( source, dest, dm, &dco, &dca ); + func( source, dest, dm, &dco, &dca, viewport_z_clip ); END_RACE( *cycles ); } else { - func( source, dest, dm, &dco, &dca ); + func( source, dest, dm, &dco, &dca, viewport_z_clip ); } if ( dco != rco ) { diff --git a/mesalib/src/mesa/math/m_xform.h b/mesalib/src/mesa/math/m_xform.h index 7ef76e0b9..33421ad1c 100644 --- a/mesalib/src/mesa/math/m_xform.h +++ b/mesalib/src/mesa/math/m_xform.h @@ -43,7 +43,8 @@ extern void _math_init_transformation(void); - +extern void +init_c_cliptest(void); /* KW: Clip functions now do projective divide as well. The projected * coordinates are very useful to us because they let us cull @@ -102,7 +103,8 @@ typedef GLvector4f * (_XFORMAPIP clip_func)( GLvector4f *vClip, GLvector4f *vProj, GLubyte clipMask[], GLubyte *orMask, - GLubyte *andMask ); + GLubyte *andMask, + GLboolean viewport_z_clip ); typedef void (*dotprod_func)( GLfloat *out, GLuint out_stride, |