1 files changed, 158 insertions, 0 deletions
diff --git a/src/VBox/Devices/Graphics/shaderlib/utils.c b/src/VBox/Devices/Graphics/shaderlib/utils.c
new file mode 100644
index 00000000..5814b2d0
--- /dev/null
+++ b/src/VBox/Devices/Graphics/shaderlib/utils.c
@@ -0,0 +1,158 @@
+/* $Id: utils.c $ */
+/** @file
+ * DevVMWare/Shaderlib - Utility/Stub Functions & Data.
+ */
+
+/*
+ * Copyright (C) 2013-2023 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
+ */
+
+#include <iprt/errcore.h>
+#include <iprt/mem.h>
+#include <iprt/assert.h>
+#ifdef _MSC_VER
+# include <iprt/win/windows.h>
+#else
+# include <windows.h>
+#endif
+#include "wined3d_private.h"
+
+
+
+void *wined3d_rb_alloc(size_t size)
+{
+    return RTMemAlloc(size);
+}
+
+void *wined3d_rb_realloc(void *ptr, size_t size)
+{
+    return RTMemRealloc(ptr, size);
+}
+
+void wined3d_rb_free(void *ptr)
+{
+    RTMemFree(ptr);
+}
+
+/* This small helper function is used to convert a bitmask into the number of masked bits */
+unsigned int count_bits(unsigned int mask)
+{
+    unsigned int count;
+    for (count = 0; mask; ++count)
+    {
+        mask &= mask - 1;
+    }
+    return count;
+}
+
+UINT wined3d_log2i(UINT32 x)
+{
+    static const UINT l[] =
+    {
+        ~0U, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3,
+          4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+          5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+          5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+          6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+          6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+          6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+          6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
+          7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+          7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+          7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+          7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+          7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+          7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+          7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+          7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
+    };
+    UINT32 i;
+
+    return (i = x >> 16) ? (x = i >> 8) ? l[x] + 24 : l[i] + 16 : (i = x >> 8) ? l[i] + 8 : l[x];
+}
+
+/* Set the shader type for this device, depending on the given capabilities
+ * and the user preferences in wined3d_settings. */
+void select_shader_mode(const struct wined3d_gl_info *gl_info, int *ps_selected, int *vs_selected)
+{
+    RT_NOREF(gl_info);
+    *vs_selected = SHADER_GLSL;
+    *ps_selected = SHADER_GLSL;
+}
+
+const char *debug_glerror(GLenum error) {
+    switch(error) {
+#define GLERROR_TO_STR(u) case u: return #u
+        GLERROR_TO_STR(GL_NO_ERROR);
+        GLERROR_TO_STR(GL_INVALID_ENUM);
+        GLERROR_TO_STR(GL_INVALID_VALUE);
+        GLERROR_TO_STR(GL_INVALID_OPERATION);
+        GLERROR_TO_STR(GL_STACK_OVERFLOW);
+        GLERROR_TO_STR(GL_STACK_UNDERFLOW);
+        GLERROR_TO_STR(GL_OUT_OF_MEMORY);
+        GLERROR_TO_STR(GL_INVALID_FRAMEBUFFER_OPERATION);
+#undef GLERROR_TO_STR
+        default:
+            return "unrecognized";
+    }
+}
+
+void dump_color_fixup_desc(struct color_fixup_desc fixup)
+{
+    RT_NOREF(fixup);
+}
+
+void context_release(struct wined3d_context *context)
+{
+    RT_NOREF(context);
+}
+
+static void CDECL wined3d_do_nothing(void)
+{
+}
+
+void (* CDECL wine_tsx11_lock_ptr)(void)   = wined3d_do_nothing;
+void (* CDECL wine_tsx11_unlock_ptr)(void) = wined3d_do_nothing;
+
+LPVOID      WINAPI VBoxHeapAlloc(HANDLE hHeap, DWORD heaptype,SIZE_T size)
+{
+    RT_NOREF(hHeap, heaptype);
+    return RTMemAllocZ(size);
+}
+
+BOOL        WINAPI VBoxHeapFree(HANDLE hHeap, DWORD heaptype,LPVOID ptr)
+{
+    RT_NOREF(hHeap, heaptype);
+    RTMemFree(ptr);
+    return TRUE;
+}
+
+LPVOID      WINAPI VBoxHeapReAlloc(HANDLE hHeap, DWORD heaptype, LPVOID ptr, SIZE_T size)
+{
+    RT_NOREF(hHeap, heaptype);
+    return RTMemRealloc(ptr, size);
+}
+
+void VBoxDebugBreak(void)
+{
+    AssertFailed();
+}
+