r600g: drop libdrm_radeon link

1 files changed, 186 insertions, 0 deletions

diff --git a/src/gallium/winsys/r600/drm/radeon_bo_pb.c b/src/gallium/winsys/r600/drm/radeon_bo_pb.c
new file mode 100644
index 00000000000..e8e53a971f2
--- /dev/null
+++ b/src/gallium/winsys/r600/drm/radeon_bo_pb.c
@@ -0,0 +1,186 @@
+#include "radeon_priv.h"
+
+#include "util/u_inlines.h"
+#include "util/u_memory.h"
+#include "util/u_double_list.h"
+#include "pipebuffer/pb_buffer.h"
+#include "pipebuffer/pb_bufmgr.h"
+
+struct radeon_bo_pb {
+	struct pb_buffer b;
+	struct radeon_bo *bo;
+
+	struct radeon_bo_pbmgr *mgr;
+	struct list_head maplist;
+};
+
+extern const struct pb_vtbl radeon_bo_pb_vtbl;
+
+static INLINE struct radeon_bo_pb *radeon_bo_pb(struct pb_buffer *buf)
+{
+	assert(buf);
+	assert(buf->vtbl == &radeon_bo_pb_vtbl);
+	return (struct radeon_bo_pb *)buf;
+}
+
+struct radeon_bo_pbmgr {
+	struct pb_manager b;
+	struct radeon *radeon;
+	struct list_head buffer_map_list;
+};
+
+static INLINE struct radeon_bo_pbmgr *radeon_bo_pbmgr(struct pb_manager *mgr)
+{
+	assert(mgr);
+	return (struct radeon_bo_pbmgr *)mgr;
+}
+
+static void radeon_bo_pb_destroy(struct pb_buffer *_buf)
+{
+	struct radeon_bo_pb *buf = radeon_bo_pb(_buf);
+
+	if (buf->bo->data != NULL) {
+		LIST_DEL(&buf->maplist);
+		radeon_bo_unmap(buf->mgr->radeon, buf->bo);
+	}
+	radeon_bo_decref(buf->mgr->radeon, buf->bo);
+	FREE(buf);
+}
+
+static void *
+radeon_bo_pb_map_internal(struct pb_buffer *_buf,
+			  unsigned flags)
+{
+	struct radeon_bo_pb *buf = radeon_bo_pb(_buf);
+	
+	if (buf->bo->data != NULL)
+		return buf->bo->data;
+
+	if (flags & PB_USAGE_DONTBLOCK) {
+		uint32_t domain;
+		if (radeon_bo_busy(buf->mgr->radeon, buf->bo, &domain))
+			return NULL;
+	}
+
+	if (radeon_bo_map(buf->mgr->radeon, buf->bo)) {
+		return NULL;
+	}
+	LIST_ADDTAIL(&buf->maplist, &buf->mgr->buffer_map_list);
+	return buf->bo->data;
+}
+
+static void radeon_bo_pb_unmap_internal(struct pb_buffer *_buf)
+{
+	(void)_buf;
+}
+
+static void
+radeon_bo_pb_get_base_buffer(struct pb_buffer *buf,
+			     struct pb_buffer **base_buf,
+			     unsigned *offset)
+{
+	*base_buf = buf;
+	*offset = 0;
+}
+
+static enum pipe_error
+radeon_bo_pb_validate(struct pb_buffer *_buf, 
+		      struct pb_validate *vl,
+		      unsigned flags)
+{
+	/* Always pinned */
+	return PIPE_OK;
+}
+
+static void
+radeon_bo_pb_fence(struct pb_buffer *buf,
+		   struct pipe_fence_handle *fence)
+{
+}
+
+const struct pb_vtbl radeon_bo_pb_vtbl = {
+    radeon_bo_pb_destroy,
+    radeon_bo_pb_map_internal,
+    radeon_bo_pb_unmap_internal,
+    radeon_bo_pb_validate,
+    radeon_bo_pb_fence,
+    radeon_bo_pb_get_base_buffer,
+};
+
+static struct pb_buffer *
+radeon_bo_pb_create_buffer(struct pb_manager *_mgr,
+			   pb_size size,
+			   const struct pb_desc *desc)
+{
+	struct radeon_bo_pbmgr *mgr = radeon_bo_pbmgr(_mgr);
+	struct radeon *radeon = mgr->radeon;
+	struct radeon_bo_pb *bo;
+	uint32_t domain;
+
+	bo = CALLOC_STRUCT(radeon_bo_pb);
+	if (!bo)
+		goto error1;
+
+	pipe_reference_init(&bo->b.base.reference, 1);
+	bo->b.base.alignment = desc->alignment;
+	bo->b.base.usage = desc->usage;
+	bo->b.base.size = size;
+	bo->b.vtbl = &radeon_bo_pb_vtbl;
+	bo->mgr = mgr;
+
+	LIST_INITHEAD(&bo->maplist);
+
+	bo->bo = radeon_bo(radeon, 0, size,
+			   desc->alignment, NULL);
+	if (bo->bo == NULL)
+		goto error2;
+	return &bo->b;
+
+error2:
+	FREE(bo);
+error1:
+	return NULL;
+}
+
+static void
+radeon_bo_pbmgr_flush(struct pb_manager *mgr)
+{
+    /* NOP */
+}
+
+static void
+radeon_bo_pbmgr_destroy(struct pb_manager *_mgr)
+{
+	struct radeon_bo_pbmgr *mgr = radeon_bo_pbmgr(_mgr);
+	FREE(mgr);
+}
+
+struct pb_manager *radeon_bo_pbmgr_create(struct radeon *radeon)
+{
+	struct radeon_bo_pbmgr *mgr;
+
+	mgr = CALLOC_STRUCT(radeon_bo_pbmgr);
+	if (!mgr)
+		return NULL;
+
+	mgr->b.destroy = radeon_bo_pbmgr_destroy;
+	mgr->b.create_buffer = radeon_bo_pb_create_buffer;
+	mgr->b.flush = radeon_bo_pbmgr_flush;
+
+	mgr->radeon = radeon;
+	LIST_INITHEAD(&mgr->buffer_map_list);
+	return &mgr->b;
+}
+
+void radeon_bo_pbmgr_flush_maps(struct pb_manager *_mgr)
+{
+	struct radeon_bo_pbmgr *mgr = radeon_bo_pbmgr(_mgr);
+	struct radeon_bo_pb *rpb, *t_rpb;
+
+	LIST_FOR_EACH_ENTRY_SAFE(rpb, t_rpb, &mgr->buffer_map_list, maplist) {
+		radeon_bo_unmap(mgr->radeon, rpb->bo);
+		LIST_DEL(&rpb->maplist);
+	}
+
+	LIST_INITHEAD(&mgr->buffer_map_list);
+}