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Diffstat (limited to 'src/mesa/swrast/s_alpha.c')
-rw-r--r--src/mesa/swrast/s_alpha.c18
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 )