1 files changed, 122 insertions, 0 deletions
diff --git a/src/gallium/winsys/r600/drm/r600_bo.c b/src/gallium/winsys/r600/drm/r600_bo.c
new file mode 100644
index 00000000000..9498f3a82ea
--- /dev/null
+++ b/src/gallium/winsys/r600/drm/r600_bo.c
@@ -0,0 +1,122 @@
+/*
+ * Copyright 2010 Dave Airlie
+ *
+ * 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
+ * THE AUTHOR(S) 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:
+ *      Dave Airlie
+ */
+#include <pipe/p_compiler.h>
+#include <pipe/p_screen.h>
+#include <pipebuffer/pb_bufmgr.h>
+#include "r600_priv.h"
+
+struct r600_bo *r600_bo(struct radeon *radeon,
+				  unsigned size, unsigned alignment, unsigned usage)
+{
+	struct r600_bo *ws_bo = calloc(1, sizeof(struct r600_bo));
+	struct pb_desc desc;
+	struct pb_manager *man;
+
+	desc.alignment = alignment;
+	desc.usage = usage;
+	ws_bo->size = size;
+
+	if (usage & (PIPE_BIND_CONSTANT_BUFFER | PIPE_BIND_VERTEX_BUFFER | PIPE_BIND_INDEX_BUFFER))
+		man = radeon->cman;
+	else
+		man = radeon->kman;
+
+	ws_bo->pb = man->create_buffer(man, size, &desc);
+	if (ws_bo->pb == NULL) {
+		free(ws_bo);
+		return NULL;
+	}
+
+	pipe_reference_init(&ws_bo->reference, 1);
+	return ws_bo;
+}
+
+struct r600_bo *r600_bo_handle(struct radeon *radeon,
+					 unsigned handle)
+{
+	struct r600_bo *ws_bo = calloc(1, sizeof(struct r600_bo));
+	struct radeon_bo *bo;
+
+	ws_bo->pb = radeon_bo_pb_create_buffer_from_handle(radeon->kman, handle);
+	if (!ws_bo->pb) {
+		free(ws_bo);
+		return NULL;
+	}
+	bo = radeon_bo_pb_get_bo(ws_bo->pb);
+	ws_bo->size = bo->size;
+	pipe_reference_init(&ws_bo->reference, 1);
+	return ws_bo;
+}
+
+void *r600_bo_map(struct radeon *radeon, struct r600_bo *bo, unsigned usage, void *ctx)
+{
+	return pb_map(bo->pb, usage, ctx);
+}
+
+void r600_bo_unmap(struct radeon *radeon, struct r600_bo *bo)
+{
+	pb_unmap(bo->pb);
+}
+
+static void r600_bo_destroy(struct radeon *radeon, struct r600_bo *bo)
+{
+	if (bo->pb)
+		pb_reference(&bo->pb, NULL);
+	free(bo);
+}
+
+void r600_bo_reference(struct radeon *radeon, struct r600_bo **dst,
+			    struct r600_bo *src)
+{
+	struct r600_bo *old = *dst;
+ 		
+	if (pipe_reference(&(*dst)->reference, &src->reference)) {
+		r600_bo_destroy(radeon, old);
+	}
+	*dst = src;
+}
+
+unsigned r600_bo_get_handle(struct r600_bo *pb_bo)
+{
+	struct radeon_bo *bo;
+
+	bo = radeon_bo_pb_get_bo(pb_bo->pb);
+	if (!bo)
+		return 0;
+
+	return bo->handle;
+}
+
+unsigned r600_bo_get_size(struct r600_bo *pb_bo)
+{
+	struct radeon_bo *bo;
+
+	bo = radeon_bo_pb_get_bo(pb_bo->pb);
+	if (!bo)
+		return 0;
+
+	return bo->size;
+}