From d5d93a31580cf58744b4d186a4ab8fac09743a33 Mon Sep 17 00:00:00 2001
From: Jakob Bornecrantz <jakob@tungstengraphics.com>
Date: Mon, 7 Apr 2008 19:40:43 +0200
Subject: i915: Pulled in changes from i915tex

---
 src/gallium/winsys/dri/intel/ws_dri_mallocpool.c | 162 +++++++++++++++++++++++
 1 file changed, 162 insertions(+)
 create mode 100644 src/gallium/winsys/dri/intel/ws_dri_mallocpool.c

(limited to 'src/gallium/winsys/dri/intel/ws_dri_mallocpool.c')

diff --git a/src/gallium/winsys/dri/intel/ws_dri_mallocpool.c b/src/gallium/winsys/dri/intel/ws_dri_mallocpool.c
new file mode 100644
index 0000000000..bf97d7e440
--- /dev/null
+++ b/src/gallium/winsys/dri/intel/ws_dri_mallocpool.c
@@ -0,0 +1,162 @@
+/**************************************************************************
+ * 
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, TX., USA
+ * 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, 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 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
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * 
+ **************************************************************************/
+/*
+ * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
+ */
+
+#include <xf86drm.h>
+#include <stdlib.h>
+#include <errno.h>
+#include "imports.h"
+#include "glthread.h"
+#include "ws_dri_bufpool.h"
+#include "ws_dri_bufmgr.h"
+#include "intel_screen.h"
+
+static void *
+pool_create(struct _DriBufferPool *pool,
+            unsigned long size, uint64_t flags, unsigned hint,
+            unsigned alignment)
+{
+    unsigned long *private = malloc(size + 2*sizeof(unsigned long));
+    if ((flags & DRM_BO_MASK_MEM) != DRM_BO_FLAG_MEM_LOCAL)
+      abort();
+
+    *private = size;
+    return (void *)private;
+}
+
+
+static int
+pool_destroy(struct _DriBufferPool *pool, void *private)
+{
+    free(private);
+    return 0;
+}
+
+static int
+pool_waitIdle(struct _DriBufferPool *pool, void *private, 
+	      _glthread_Mutex *mutex, int lazy)
+{
+    return 0;
+}
+
+static int
+pool_map(struct _DriBufferPool *pool, void *private, unsigned flags,
+         int hint, _glthread_Mutex *mutex, void **virtual)
+{
+    *virtual = (void *)((unsigned long *)private + 2);
+    return 0;
+}
+
+static int
+pool_unmap(struct _DriBufferPool *pool, void *private)
+{
+    return 0;
+}
+
+static unsigned long
+pool_offset(struct _DriBufferPool *pool, void *private)
+{
+    /*
+     * BUG
+     */
+    abort();
+    return 0UL;
+}
+
+static unsigned long
+pool_poolOffset(struct _DriBufferPool *pool, void *private)
+{
+    /*
+     * BUG
+     */
+    abort();
+}
+
+static uint64_t
+pool_flags(struct _DriBufferPool *pool, void *private)
+{
+    return DRM_BO_FLAG_MEM_LOCAL | DRM_BO_FLAG_CACHED;
+}
+
+static unsigned long
+pool_size(struct _DriBufferPool *pool, void *private)
+{
+    return *(unsigned long *) private;
+}
+
+
+static int
+pool_fence(struct _DriBufferPool *pool, void *private,
+           struct _DriFenceObject *fence)
+{
+    abort();
+    return 0UL;
+}
+
+static drmBO *
+pool_kernel(struct _DriBufferPool *pool, void *private)
+{
+    abort();
+    return NULL;
+}
+
+static void
+pool_takedown(struct _DriBufferPool *pool)
+{
+    free(pool);
+}
+
+
+struct _DriBufferPool *
+driMallocPoolInit(void)
+{
+   struct _DriBufferPool *pool;
+
+   pool = (struct _DriBufferPool *) malloc(sizeof(*pool));
+   if (!pool)
+       return NULL;
+
+   pool->data = NULL;
+   pool->fd = -1;
+   pool->map = &pool_map;
+   pool->unmap = &pool_unmap;
+   pool->destroy = &pool_destroy;
+   pool->offset = &pool_offset;
+   pool->poolOffset = &pool_poolOffset;
+   pool->flags = &pool_flags;
+   pool->size = &pool_size;
+   pool->create = &pool_create;
+   pool->fence = &pool_fence;
+   pool->kernel = &pool_kernel;
+   pool->validate = NULL;
+   pool->waitIdle = &pool_waitIdle;
+   pool->takeDown = &pool_takedown;
+   return pool;
+}
-- 
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