1 files changed, 66 insertions, 0 deletions
diff --git a/src/VBox/Additions/3D/win/include/VBoxGaHwSVGA.h b/src/VBox/Additions/3D/win/include/VBoxGaHwSVGA.h
new file mode 100644
index 00000000..6c145eb0
--- /dev/null
+++ b/src/VBox/Additions/3D/win/include/VBoxGaHwSVGA.h
@@ -0,0 +1,66 @@
+/* $Id: VBoxGaHwSVGA.h $ */
+/** @file
+ * VirtualBox Windows Guest Mesa3D - Gallium driver interface.
+ */
+
+/*
+ * Copyright (C) 2016-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#ifndef GA_INCLUDED_3D_WIN_VBoxGaHwSVGA_h
+#define GA_INCLUDED_3D_WIN_VBoxGaHwSVGA_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/types.h>
+
+/*
+ * VBOXGAHWINFOSVGA contains information about the virtual hardware, which is neede dy the user mode
+ * Gallium driver. The driver can not query the info at the initialization time, therefore
+ * we send the complete info to the driver.
+ *
+ * Since both FIFO and SVGA_REG_ are expanded over time, we reserve some space.
+ * The Gallium user mode driver can figure out which part of au32Regs and au32Fifo
+ * is valid from the raw data.
+ *
+ * VBOXGAHWINFOSVGA struct goes both to 32 and 64 bit user mode binaries, take care of alignment.
+ */
+#pragma pack(1)
+typedef struct VBOXGAHWINFOSVGA
+{
+    uint32_t cbInfoSVGA;
+
+    /* Copy of SVGA_REG_*, up to 256, currently 58 are used. */
+    uint32_t au32Regs[256];
+
+    /* Copy of FIFO registers, up to 1024, currently 290 are used. */
+    uint32_t au32Fifo[1024];
+
+    /* Currently SVGA has 260 caps, 512 should be ok for near future.
+     * This is a copy of SVGA3D_DEVCAP_* values returned by the host.
+     * Only valid if SVGA_CAP_GBOBJECTS is set in SVGA_REG_CAPABILITIES.
+     */
+    uint32_t au32Caps[512];
+} VBOXGAHWINFOSVGA;
+#pragma pack()
+
+#endif /* !GA_INCLUDED_3D_WIN_VBoxGaHwSVGA_h */