From 4336c28c843923db3d9c8dc0a0cb2440ba94f064 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Sun, 30 Jun 2002 16:07:18 +0000
Subject: [PATCH] CHAN_TYPE==GL_FLOAT clamping.  call _tnl_MakeCurrent.  (Gerk
 Huisma)

---
 src/mesa/drivers/osmesa/osmesa.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/mesa/drivers/osmesa/osmesa.c b/src/mesa/drivers/osmesa/osmesa.c
index eb0515d..20847f6 100644
--- a/src/mesa/drivers/osmesa/osmesa.c
+++ b/src/mesa/drivers/osmesa/osmesa.c
@@ -1,4 +1,4 @@
-/* $Id: osmesa.c,v 1.84 2002/06/25 15:25:17 brianp Exp $ */
+/* $Id: osmesa.c,v 1.85 2002/06/30 16:07:18 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -488,6 +488,10 @@ OSMesaMakeCurrent( OSMesaContext ctx, void *buffer, GLenum type,
       _mesa_ResizeBuffersMESA();
    }
 
+   /* Added by Gerk Huisma: */
+   _tnl_MakeCurrent( &ctx->gl_ctx, ctx->gl_ctx.DrawBuffer,
+                     ctx->gl_ctx.ReadBuffer );
+
    return GL_TRUE;
 }
 
@@ -666,6 +670,15 @@ OSMesaGetProcAddress( const char *funcName )
  * Useful macros:
  */
 
+#if CHAN_TYPE == GL_FLOAT
+#define PACK_RGBA(DST, R, G, B, A)				\
+do {								\
+   (DST)[0] = (R < 0.0f) ? 0.0f : ((R > 1.0f) ? 1.0f : R);	\
+   (DST)[1] = (G < 0.0f) ? 0.0f : ((G > 1.0f) ? 1.0f : G);	\
+   (DST)[2] = (B < 0.0f) ? 0.0f : ((B > 1.0f) ? 1.0f : B);	\
+   (DST)[3] = (A < 0.0f) ? 0.0f : ((A > 1.0f) ? 1.0f : A);	\
+} while (0)
+#else
 #define PACK_RGBA(DST, R, G, B, A)	\
 do {					\
    (DST)[osmesa->rInd] = R;		\
@@ -673,6 +686,7 @@ do {					\
    (DST)[osmesa->bInd] = B;		\
    (DST)[osmesa->aInd] = A;		\
 } while (0)
+#endif
 
 #define PACK_RGB(DST, R, G, B)  \
 do {				\
-- 
2.7.4