Squashed 'nx-X11/extras/Mesa_6.4.2/' content from commit 475b1f7

git-subtree-dir: nx-X11/extras/Mesa_6.4.2
git-subtree-split: 475b1f7b56fa36ef4f3b22a749f88a98ddc0d502

1 files changed, 45 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/ffb/ffb_vb.h b/src/mesa/drivers/dri/ffb/ffb_vb.h
new file mode 100644
index 000000000..9eb6759f6
--- /dev/null
+++ b/src/mesa/drivers/dri/ffb/ffb_vb.h
@@ -0,0 +1,45 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/ffb/ffb_vb.h,v 1.2 2002/02/22 21:32:59 dawes Exp $ */
+
+#ifndef _FFB_VB_H
+#define _FFB_VB_H
+
+#include "mtypes.h"
+#include "macros.h"
+#include "tnl/t_context.h"
+#include "swrast/swrast.h"
+
+#define __FFB_2_30_FIXED_SCALE		1073741824.0f
+#define FFB_2_30_FLOAT_TO_FIXED(X)	\
+	(IROUND((X) * fmesa->ffb_2_30_fixed_scale))
+#define FFB_2_30_FIXED_TO_FLOAT(X)	\
+	(((GLfloat)(X)) * fmesa->ffb_one_over_2_30_fixed_scale)
+
+#define __FFB_16_16_FIXED_SCALE		65536.0f
+#define FFB_16_16_FLOAT_TO_FIXED(X)	\
+	(IROUND((X) * fmesa->ffb_16_16_fixed_scale))
+#define FFB_16_16_FIXED_TO_FLOAT(X)	\
+	(((GLfloat)(X)) * fmesa->ffb_one_over_16_16_fixed_scale)
+
+#define FFB_Z_FROM_FLOAT(VAL)	  FFB_2_30_FLOAT_TO_FIXED(VAL)
+#define FFB_Z_TO_FLOAT(VAL)	  FFB_2_30_FIXED_TO_FLOAT(VAL)
+#define FFB_XY_FROM_FLOAT(VAL)	  FFB_16_16_FLOAT_TO_FIXED(VAL)
+#define FFB_XY_TO_FLOAT(VAL)	  FFB_16_16_FIXED_TO_FLOAT(VAL)
+
+#define FFB_UBYTE_FROM_COLOR(VAL) ((IROUND((VAL) * fmesa->ffb_ubyte_color_scale)))
+
+#define FFB_PACK_CONST_UBYTE_ARGB_COLOR(C) 		\
+        ((FFB_UBYTE_FROM_COLOR(C.alpha) << 24) |	\
+         (FFB_UBYTE_FROM_COLOR(C.blue)  << 16) |	\
+         (FFB_UBYTE_FROM_COLOR(C.green) <<  8) |	\
+         (FFB_UBYTE_FROM_COLOR(C.red)   <<  0))
+
+#define FFB_COLOR_FROM_FLOAT(VAL) FFB_2_30_FLOAT_TO_FIXED(VAL)
+
+#define _FFB_NEW_VERTEX (_DD_NEW_TRI_LIGHT_TWOSIDE)
+
+extern void ffbDDSetupInit(void);
+extern void ffbChooseVertexState(GLcontext *);
+extern void ffbInitVB( GLcontext *ctx );
+extern void ffbFreeVB( GLcontext *ctx );
+
+#endif /* !(_FFB_VB_H) */