add the i830 driver - no kernel driver yet

(build tested, but not physically tested)

1 files changed, 68 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i830/i830_state.h b/src/mesa/drivers/dri/i830/i830_state.h
new file mode 100644
index 0000000000..b651651246
--- /dev/null
+++ b/src/mesa/drivers/dri/i830/i830_state.h
@@ -0,0 +1,68 @@
+/**************************************************************************
+
+Copyright 2001 VA Linux Systems Inc., Fremont, California.
+
+All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+on the rights to use, copy, modify, merge, publish, distribute, sub
+license, and/or sell copies of the Software, and to permit persons to whom
+the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ATI, VA LINUX SYSTEMS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+/* $XFree86: xc/lib/GL/mesa/src/drv/i830/i830_state.h,v 1.3 2002/12/10 01:26:53 dawes Exp $ */
+
+/*
+ * Author:
+ *   Jeff Hartmann <jhartmann@2d3d.com>
+ *
+ * Heavily based on the I810 driver, which was written by:
+ *   Keith Whitwell <keith@tungstengraphics.com>
+ */
+#ifndef _I830_STATE_H
+#define _I830_STATE_H
+
+#include "i830_context.h"
+#include "colormac.h"
+#define FloatToInt(F) ((int)(F))
+
+/* 
+ *  * This function/macro is sensitive to precision.  Test carefully
+ *  * if you change it.
+ *  */
+#define FLOAT_COLOR_TO_UBYTE_COLOR(b, f)                        \
+	    do {		                                            \
+           union {GLfloat r; GLuint i; }  tmp;                  \
+           tmp.r = f;                                           \
+           b = ((tmp.i >= IEEE_ONE)                             \
+			? ((GLint)tmp.i < 0) ? (GLubyte)0 : (GLubyte)255 	\
+			:  (tmp.r = tmp.r*(255.0F/256.0F) + 32768.0F,  	    \
+                  (GLubyte)tmp.i));                             \
+        } while (0)
+	 
+	 
+
+extern void i830DDInitState( GLcontext *ctx );
+extern void i830DDInitStateFuncs( GLcontext *ctx );
+
+extern void i830PrintDirty( const char *msg, GLuint state );
+extern void i830SetDrawBuffer(GLcontext *ctx, GLenum mode );
+
+extern void i830Fallback( i830ContextPtr imesa, GLuint bit, GLboolean mode );
+#define FALLBACK( imesa, bit, mode ) i830Fallback( imesa, bit, mode )
+#endif