diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2002-01-27 18:32:03 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2002-01-27 18:32:03 +0000 |
| commit | 2a182a98973edc9ecf2936b1288485bb2b3fa722 (patch) | |
| tree | 4c832bef597d1cbbccb7e7ab80f508aac2bbaba9 /src/mesa/swrast/s_alpha.c | |
| parent | 6a731f343e847226537080122e2fb327e2486564 (diff) | |
LOTS of changes, building upon Klaus's work.
struct sw_span is used throughout span/fragment processing.
This is leading to less code and more chances for optimization.
Diffstat (limited to 'src/mesa/swrast/s_alpha.c')
| -rw-r--r-- | src/mesa/swrast/s_alpha.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/src/mesa/swrast/s_alpha.c b/src/mesa/swrast/s_alpha.c index 7aa47f230f..ca34c120b4 100644 --- a/src/mesa/swrast/s_alpha.c +++ b/src/mesa/swrast/s_alpha.c @@ -1,4 +1,4 @@ -/* $Id: s_alpha.c,v 1.5 2002/01/21 18:12:34 brianp Exp $ */ +/* $Id: s_alpha.c,v 1.6 2002/01/27 18:32:03 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -49,11 +49,7 @@ _mesa_alpha_test( const GLcontext *ctx, struct sw_span *span, const GLchan ref = ctx->Color.AlphaRef; GLubyte *mask = span->mask; - ASSERT (span->filledMask == GL_TRUE); - ASSERT (span->filledAlpha == GL_TRUE); - - SW_SPAN_SET_FLAG(span->testedAlpha); - + ASSERT (span->filledAlpha == GL_TRUE || (span->arrayMask & SPAN_RGBA)); /* switch cases ordered from most frequent to less frequent */ switch (ctx->Color.AlphaFunc) { @@ -97,6 +93,8 @@ _mesa_alpha_test( const GLcontext *ctx, struct sw_span *span, return 0; } +#if 0 + /* XXXX This causes conformance failures!!!! */ while ((span->start <= span->end) && (mask[span->start] == 0)) span->start ++; @@ -104,7 +102,7 @@ _mesa_alpha_test( const GLcontext *ctx, struct sw_span *span, while ((span->end >= span->start) && (mask[span->end] == 0)) span->end --; - +#endif span->writeAll = GL_FALSE; if (span->start >= span->end) |