diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2002-04-19 14:05:50 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2002-04-19 14:05:50 +0000 |
| commit | bf80e1ed620836e2ca0dd3f7d2d4cb187d17563d (patch) | |
| tree | 8666b72f2ff74ac9499d2f9668212fcf4f2e3f5b /src/mesa/swrast/s_alpha.c | |
| parent | 05be7ae1253ad68d80816395c3d09665e5619ebc (diff) | |
Allocate a sw_span struct in the swrast context instead of allocating it
on the stack frame in the point/line/triangle functions. (Klaus Niederkrueger)
This should solve the performance problem Karl found on Windows.
Diffstat (limited to 'src/mesa/swrast/s_alpha.c')
| -rw-r--r-- | src/mesa/swrast/s_alpha.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/src/mesa/swrast/s_alpha.c b/src/mesa/swrast/s_alpha.c index 914b699cea..de7258fddf 100644 --- a/src/mesa/swrast/s_alpha.c +++ b/src/mesa/swrast/s_alpha.c @@ -1,4 +1,4 @@ -/* $Id: s_alpha.c,v 1.9 2002/02/02 21:40:33 brianp Exp $ */ +/* $Id: s_alpha.c,v 1.10 2002/04/19 14:05:50 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -24,6 +24,10 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/** + * \file swrast/s_alpha.c + * \brief Functions to apply alpha test. + */ #include "glheader.h" #include "context.h" @@ -35,12 +39,12 @@ #include "s_context.h" -/* - * Apply the alpha test to a span of pixels. - * In: rgba - array of pixels - * In/Out: span - - * Return: 0 = all pixels in the span failed the alpha test. - * 1 = one or more pixels passed the alpha test. +/** + * \fn GLint _mesa_alpha_test( const GLcontext *ctx, struct sw_span *span ) + * \brief Apply the alpha test to a span of pixels. + * \return + * - "0" = all pixels in the span failed the alpha test. + * - "1" = one or more pixels passed the alpha test. */ GLint _mesa_alpha_test( const GLcontext *ctx, struct sw_span *span ) |