summaryrefslogtreecommitdiff
path: root/src/gallium/winsys/dri/intel/ws_dri_mallocpool.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/winsys/dri/intel/ws_dri_mallocpool.c')
-rw-r--r--src/gallium/winsys/dri/intel/ws_dri_mallocpool.c162
1 files changed, 162 insertions, 0 deletions
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;
+}