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path: root/src/mesa/math/m_debug_clip.c
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Diffstat (limited to 'src/mesa/math/m_debug_clip.c')
-rw-r--r--src/mesa/math/m_debug_clip.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/src/mesa/math/m_debug_clip.c b/src/mesa/math/m_debug_clip.c
index f2b757a91b..95ae5a347d 100644
--- a/src/mesa/math/m_debug_clip.c
+++ b/src/mesa/math/m_debug_clip.c
@@ -125,7 +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;
@@ -141,8 +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;
@@ -157,7 +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;
@@ -166,6 +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;
@@ -211,6 +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;
@@ -250,15 +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 ) {