From 0fbeff2fa2e831e45e4dc6014c8f1e6abaa44aa1 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airliedfreedesktop.org>
Date: Thu, 5 Feb 2004 22:45:00 +0000
Subject: Initial mach64 driver import for DRI mach64-0-0-6 branch, this
 compiles but I doubt it works but it is a better starting point than the
 branch

---
 src/mesa/drivers/dri/mach64/mach64_dd.c | 134 ++++++++++++++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 src/mesa/drivers/dri/mach64/mach64_dd.c

(limited to 'src/mesa/drivers/dri/mach64/mach64_dd.c')

diff --git a/src/mesa/drivers/dri/mach64/mach64_dd.c b/src/mesa/drivers/dri/mach64/mach64_dd.c
new file mode 100644
index 0000000000..82f4c740aa
--- /dev/null
+++ b/src/mesa/drivers/dri/mach64/mach64_dd.c
@@ -0,0 +1,134 @@
+/* $XFree86$ */ /* -*- mode: c; c-basic-offset: 3 -*- */
+/*
+ * Copyright 2000 Gareth Hughes
+ * 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
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * GARETH HUGHES 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>
+ *	Leif Delgass <ldelgass@retinalburn.net>
+ *	José Fonseca <j_r_fonseca@yahoo.co.uk>
+ */
+
+#include "mach64_context.h"
+#include "mach64_ioctl.h"
+#include "mach64_state.h"
+#include "mach64_vb.h"
+#include "mach64_dd.h"
+
+#include "context.h"
+#include "utils.h"
+
+#define DRIVER_DATE	"20030502"
+
+/* Return the current color buffer size.
+ */
+static void mach64DDGetBufferSize( GLframebuffer *buffer,
+				   GLuint *width, GLuint *height )
+{
+   GET_CURRENT_CONTEXT(ctx);
+   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
+
+   LOCK_HARDWARE( mmesa );
+   *width  = mmesa->driDrawable->w;
+   *height = mmesa->driDrawable->h;
+   UNLOCK_HARDWARE( mmesa );
+}
+
+/* Return various strings for glGetString().
+ */
+static const GLubyte *mach64DDGetString( GLcontext *ctx, GLenum name )
+{
+   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
+   static GLubyte buffer[128];
+   unsigned   offset;
+   const char * card_name = "Mach64 [Rage Pro]";
+   GLuint agp_mode = mmesa->mach64Screen->IsPCI ? 0 :
+      mmesa->mach64Screen->AGPMode;
+
+   switch ( name ) {
+   case GL_VENDOR:
+      return (GLubyte*)"Gareth Hughes, Leif Delgass, José Fonseca";
+
+   case GL_RENDERER:
+ 
+      offset = driGetRendererString( buffer, card_name, DRIVER_DATE,
+				     agp_mode );
+      return (GLubyte *)buffer;
+
+   default:
+      return NULL;
+   }
+}
+
+/* Send all commands to the hardware.  If vertex buffers or indirect
+ * buffers are in use, then we need to make sure they are sent to the
+ * hardware.  All commands that are normally sent to the ring are
+ * already considered `flushed'.
+ */
+static void mach64DDFlush( GLcontext *ctx )
+{
+   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
+
+   LOCK_HARDWARE( mmesa );
+   FLUSH_DMA_LOCKED( mmesa );
+   UNLOCK_HARDWARE( mmesa );
+
+#if ENABLE_PERF_BOXES
+   if ( mmesa->boxes ) {
+      LOCK_HARDWARE( mmesa );
+      mach64PerformanceBoxesLocked( mmesa );
+      UNLOCK_HARDWARE( mmesa );
+   }
+
+   /* Log the performance counters if necessary */
+   mach64PerformanceCounters( mmesa );
+#endif
+}
+
+/* Make sure all commands have been sent to the hardware and have
+ * completed processing.
+ */
+static void mach64DDFinish( GLcontext *ctx )
+{
+   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
+
+#if ENABLE_PERF_BOXES
+   /* Bump the performance counter */
+   mmesa->c_drawWaits++;
+#endif
+
+   mach64DDFlush( ctx );
+   mach64WaitForIdle( mmesa );
+}
+
+/* Initialize the driver's misc functions.
+ */
+void mach64DDInitDriverFuncs( GLcontext *ctx )
+{
+   ctx->Driver.GetBufferSize	= mach64DDGetBufferSize;
+   ctx->Driver.ResizeBuffers    = _swrast_alloc_buffers;
+   ctx->Driver.GetString	= mach64DDGetString;
+   ctx->Driver.Finish		= mach64DDFinish;
+   ctx->Driver.Flush		= mach64DDFlush;
+   ctx->Driver.Error		= NULL;
+}
-- 
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