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authorBrian Paul <[email protected]>2001-03-01 00:05:05 +0000
committerBrian Paul <[email protected]>2001-03-01 00:05:05 +0000
commitd89c87ac40631cb7c8c7da71c61770fc93903a33 (patch)
tree456b024215c1fcfd5e2c3068b56c879ddece9260
parentb4203c1c49d637432a6ede6e77fe95f6734729bf (diff)
added s/w alpha buffer clearing
-rw-r--r--src/mesa/drivers/x11/xm_dd.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/mesa/drivers/x11/xm_dd.c b/src/mesa/drivers/x11/xm_dd.c
index bf0058cc41e..0d06860b644 100644
--- a/src/mesa/drivers/x11/xm_dd.c
+++ b/src/mesa/drivers/x11/xm_dd.c
@@ -1,4 +1,4 @@
-/* $Id: xm_dd.c,v 1.15 2001/02/19 20:01:42 brianp Exp $ */
+/* $Id: xm_dd.c,v 1.16 2001/03/01 00:05:05 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -38,6 +38,7 @@
#include "xmesaP.h"
#include "array_cache/acache.h"
#include "swrast/swrast.h"
+#include "swrast/s_alphabuf.h"
#include "swrast_setup/swrast_setup.h"
#include "tnl/tnl.h"
@@ -748,6 +749,12 @@ clear_buffers( GLcontext *ctx, GLbitfield mask,
const XMesaContext xmesa = (XMesaContext) ctx->DriverCtx;
const GLuint *colorMask = (GLuint *) &ctx->Color.ColorMask;
+ if ((mask & (DD_FRONT_LEFT_BIT | DD_FRONT_RIGHT_BIT)) &&
+ xmesa->xm_buffer->gl_buffer->UseSoftwareAlphaBuffers &&
+ ctx->Color.ColorMask[ACOMP]) {
+ _mesa_clear_alpha_buffers(ctx);
+ }
+
/* we can't handle color or index masking */
if (*colorMask == 0xffffffff && ctx->Color.IndexMask == 0xffffffff) {
if (mask & DD_FRONT_LEFT_BIT) {