gallium: rename 'state tracker' to 'frontend'

Acked-by: Eric Anholt <[email protected]>
Acked-by: Alyssa Rosenzweig <[email protected]>
Acked-by: Pierre-Eric Pelloux-Prayer <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4902>

1 files changed, 180 insertions, 0 deletions

diff --git a/src/gallium/frontends/nine/iunknown.h b/src/gallium/frontends/nine/iunknown.h
new file mode 100644
index 00000000000..20ad191cf44
--- /dev/null
+++ b/src/gallium/frontends/nine/iunknown.h
@@ -0,0 +1,180 @@
+/*
+ * Copyright 2011 Joakim Sindholt <[email protected]>
+ *
+ * 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. */
+
+#ifndef _NINE_IUNKNOWN_H_
+#define _NINE_IUNKNOWN_H_
+
+#include "pipe/p_compiler.h"
+
+#include "util/u_atomic.h"
+#include "util/u_memory.h"
+
+#include "guid.h"
+#include "nine_flags.h"
+#include "nine_debug.h"
+#include "nine_quirk.h"
+
+#include "d3d9.h"
+
+struct Nine9;
+struct NineDevice9;
+
+struct NineUnknown
+{
+    /* pointer to vtable (can be overriden outside gallium nine) */
+    void *vtable;
+    /* pointer to internal vtable  */
+    void *vtable_internal;
+
+    int32_t refs; /* external reference count */
+    int32_t bind; /* internal bind count */
+    boolean forward; /* whether to forward references to the container */
+
+    /* container: for surfaces and volumes only.
+     * Can be a texture, a volume texture or a swapchain.
+     * forward is set to false for the swapchain case.
+     * If forward is set, refs are passed to the container if forward is set
+     * and the container has bind increased if the object has non null bind. */
+    struct NineUnknown *container;
+    struct NineDevice9 *device;    /* referenced if (refs) */
+
+    const GUID **guids; /* for QueryInterface */
+
+    /* for [GS]etPrivateData/FreePrivateData */
+    struct hash_table *pdata;
+
+    void (*dtor)(void *data); /* top-level dtor */
+};
+static inline struct NineUnknown *
+NineUnknown( void *data )
+{
+    return (struct NineUnknown *)data;
+}
+
+/* Use this instead of a shitload of arguments: */
+struct NineUnknownParams
+{
+    void *vtable;
+    const GUID **guids;
+    void (*dtor)(void *data);
+    struct NineUnknown *container;
+    struct NineDevice9 *device;
+    bool start_with_bind_not_ref;
+};
+
+HRESULT
+NineUnknown_ctor( struct NineUnknown *This,
+                  struct NineUnknownParams *pParams );
+
+void
+NineUnknown_dtor( struct NineUnknown *This );
+
+/*** Direct3D public methods ***/
+
+HRESULT NINE_WINAPI
+NineUnknown_QueryInterface( struct NineUnknown *This,
+                            REFIID riid,
+                            void **ppvObject );
+
+ULONG NINE_WINAPI
+NineUnknown_AddRef( struct NineUnknown *This );
+
+ULONG NINE_WINAPI
+NineUnknown_Release( struct NineUnknown *This );
+
+ULONG NINE_WINAPI
+NineUnknown_ReleaseWithDtorLock( struct NineUnknown *This );
+
+HRESULT NINE_WINAPI
+NineUnknown_GetDevice( struct NineUnknown *This,
+                       IDirect3DDevice9 **ppDevice );
+
+HRESULT NINE_WINAPI
+NineUnknown_SetPrivateData( struct NineUnknown *This,
+                            REFGUID refguid,
+                            const void *pData,
+                            DWORD SizeOfData,
+                            DWORD Flags );
+
+HRESULT NINE_WINAPI
+NineUnknown_GetPrivateData( struct NineUnknown *This,
+                            REFGUID refguid,
+                            void *pData,
+                            DWORD *pSizeOfData );
+
+HRESULT NINE_WINAPI
+NineUnknown_FreePrivateData( struct NineUnknown *This,
+                             REFGUID refguid );
+
+/*** Nine private methods ***/
+
+static inline void
+NineUnknown_Destroy( struct NineUnknown *This )
+{
+    assert(!(This->refs | This->bind));
+    This->dtor(This);
+}
+
+static inline UINT
+NineUnknown_Bind( struct NineUnknown *This )
+{
+    UINT b = p_atomic_inc_return(&This->bind);
+    assert(b);
+
+    if (b == 1 && This->forward)
+        NineUnknown_Bind(This->container);
+
+    return b;
+}
+
+static inline UINT
+NineUnknown_Unbind( struct NineUnknown *This )
+{
+    UINT b = p_atomic_dec_return(&This->bind);
+
+    if (b == 0 && This->forward)
+        NineUnknown_Unbind(This->container);
+    else if (b == 0 && This->refs == 0 && !This->container)
+        This->dtor(This);
+
+    return b;
+}
+
+static inline void
+NineUnknown_ConvertRefToBind( struct NineUnknown *This )
+{
+    NineUnknown_Bind(This);
+    NineUnknown_Release(This);
+}
+
+/* Detach from container. */
+static inline void
+NineUnknown_Detach( struct NineUnknown *This )
+{
+    assert(This->container && !This->forward);
+
+    This->container = NULL;
+    if (!(This->refs | This->bind))
+        This->dtor(This);
+}
+
+#endif /* _NINE_IUNKNOWN_H_ */