patch to import Jon Smirl's work from Bitkeeper

1 files changed, 146 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/r128/r128_ioctl.h b/src/mesa/drivers/dri/r128/r128_ioctl.h
new file mode 100644
index 0000000000..b0f6b363a5
--- /dev/null
+++ b/src/mesa/drivers/dri/r128/r128_ioctl.h
@@ -0,0 +1,146 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/r128/r128_ioctl.h,v 1.6 2002/12/16 16:18:53 dawes Exp $ */
+/**************************************************************************
+
+Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, Inc.,
+                                               Cedar Park, Texas.
+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, PRECISION INSIGHT 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.
+
+**************************************************************************/
+
+/*
+ * Authors:
+ *   Gareth Hughes <gareth@valinux.com>
+ *
+ */
+
+#ifndef __R128_IOCTL_H__
+#define __R128_IOCTL_H__
+
+#ifdef GLX_DIRECT_RENDERING
+
+#include "r128_dri.h"
+#include "r128_reg.h"
+#include "r128_lock.h"
+
+#include "xf86drm.h"
+#include "r128_common.h"
+
+#define R128_BUFFER_MAX_DWORDS	(R128_BUFFER_SIZE / sizeof(CARD32))
+
+
+extern drmBufPtr r128GetBufferLocked( r128ContextPtr rmesa );
+extern void r128FlushVerticesLocked( r128ContextPtr rmesa );
+
+static __inline void *r128AllocDmaLow( r128ContextPtr rmesa, int bytes )
+{
+   CARD32 *head;
+
+   if ( !rmesa->vert_buf ) {
+      LOCK_HARDWARE( rmesa );
+      rmesa->vert_buf = r128GetBufferLocked( rmesa );
+      UNLOCK_HARDWARE( rmesa );
+   } else if ( rmesa->vert_buf->used + bytes > rmesa->vert_buf->total ) {
+      LOCK_HARDWARE( rmesa );
+      r128FlushVerticesLocked( rmesa );
+      rmesa->vert_buf = r128GetBufferLocked( rmesa );
+      UNLOCK_HARDWARE( rmesa );
+   }
+
+   head = (CARD32 *)((char *)rmesa->vert_buf->address + rmesa->vert_buf->used);
+   rmesa->vert_buf->used += bytes;
+   return head;
+}
+
+extern void r128FireBlitLocked( r128ContextPtr rmesa, drmBufPtr buffer,
+				GLint offset, GLint pitch, GLint format,
+				GLint x, GLint y, GLint width, GLint height );
+
+extern void r128WriteDepthSpanLocked( r128ContextPtr rmesa,
+				      GLuint n, GLint x, GLint y,
+				      const GLdepth depth[],
+				      const GLubyte mask[] );
+extern void r128WriteDepthPixelsLocked( r128ContextPtr rmesa, GLuint n,
+					const GLint x[], const GLint y[],
+					const GLdepth depth[],
+					const GLubyte mask[] );
+extern void r128ReadDepthSpanLocked( r128ContextPtr rmesa,
+				     GLuint n, GLint x, GLint y );
+extern void r128ReadDepthPixelsLocked( r128ContextPtr rmesa, GLuint n,
+				       const GLint x[], const GLint y[] );
+
+extern void r128CopyBuffer( const __DRIdrawablePrivate *dPriv );
+extern void r128PageFlip( const __DRIdrawablePrivate *dPriv );
+void r128WaitForVBlank( r128ContextPtr rmesa );
+
+extern void r128WaitForIdleLocked( r128ContextPtr rmesa );
+
+
+extern void r128DDInitIoctlFuncs( GLcontext *ctx );
+
+
+/* ================================================================
+ * Helper macros:
+ */
+
+#define FLUSH_BATCH( rmesa )						\
+do {									\
+   if ( R128_DEBUG & DEBUG_VERBOSE_IOCTL )				\
+      fprintf( stderr, "FLUSH_BATCH in %s\n", __FUNCTION__ );		\
+   if ( rmesa->vert_buf ) {						\
+      r128FlushVertices( rmesa );					\
+   }									\
+} while (0)
+
+/* 64-bit align the next element address, and then make room for the
+ * next indexed prim packet header.
+ */
+#define ALIGN_NEXT_ELT( rmesa )						\
+do {									\
+   rmesa->next_elt = (GLushort *)					\
+      (((GLuint)rmesa->next_elt + 7) & ~0x7);				\
+   rmesa->next_elt = (GLushort *)					\
+      ((GLubyte *)rmesa->next_elt + R128_INDEX_PRIM_OFFSET);		\
+} while (0)
+
+#define r128FlushVertices( rmesa )					\
+do {									\
+   LOCK_HARDWARE( rmesa );						\
+   r128FlushVerticesLocked( rmesa );					\
+   UNLOCK_HARDWARE( rmesa );						\
+} while (0)
+
+#define r128FlushElts( rmesa )						\
+do {									\
+   LOCK_HARDWARE( rmesa );						\
+   r128FlushEltsLocked( rmesa );					\
+   UNLOCK_HARDWARE( rmesa );						\
+} while (0)
+
+#define r128WaitForIdle( rmesa )					\
+   do {									\
+      LOCK_HARDWARE( rmesa );						\
+      r128WaitForIdleLocked( rmesa );					\
+      UNLOCK_HARDWARE( rmesa );						\
+   } while (0)
+
+#endif
+#endif /* __R128_IOCTL_H__ */