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-rw-r--r--src/mesa/math/m_clip_tmp.h44
-rw-r--r--src/mesa/math/m_debug_clip.c31
-rw-r--r--src/mesa/math/m_xform.h6
3 files changed, 54 insertions, 27 deletions
diff --git a/src/mesa/math/m_clip_tmp.h b/src/mesa/math/m_clip_tmp.h
index f3a589be05..2e30964057 100644
--- a/src/mesa/math/m_clip_tmp.h
+++ b/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/src/mesa/math/m_debug_clip.c b/src/mesa/math/m_debug_clip.c
index 460fed4a75..95ae5a347d 100644
--- a/src/mesa/math/m_debug_clip.c
+++ b/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/src/mesa/math/m_xform.h b/src/mesa/math/m_xform.h
index 7ef76e0b92..33421ad1c0 100644
--- a/src/mesa/math/m_xform.h
+++ b/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,
generated by cgit v1.2.3 (git 2.51.0) at 2025-10-31 00:11:06 +0000