Merge from ReactX branch to trunk

[reactos.git] / reactos / dll / 3rdparty / dxtn / texstore.c

diff --git a/reactos/dll/3rdparty/dxtn/texstore.c b/reactos/dll/3rdparty/dxtn/texstore.c
new file mode 100644 (file)
index 0000000..6349680
--- /dev/null
+++ b/reactos/dll/3rdparty/dxtn/texstore.c
@@ -0,0 +1,54 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  6.3
+ *
+ * Copyright (C) 1999-2004  Brian Paul   All Rights Reserved.
+ *
+ * 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
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL 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.
+ */
+
+
+#include <assert.h>
+
+#include "types.h"
+#include "internal.h"
+
+
+void
+_mesa_upscale_teximage2d (unsigned int inWidth, unsigned int inHeight,
+                         unsigned int outWidth, unsigned int outHeight,
+                         unsigned int comps,
+                         const byte *src, int srcRowStride,
+                         byte *dest)
+{
+    unsigned int i, j, k;
+
+    assert(outWidth >= inWidth);
+    assert(outHeight >= inHeight);
+
+    for (i = 0; i < outHeight; i++) {
+       const int ii = i % inHeight;
+       for (j = 0; j < outWidth; j++) {
+           const int jj = j % inWidth;
+           for (k = 0; k < comps; k++) {
+               dest[(i * outWidth + j) * comps + k]
+                   = src[ii * srcRowStride + jj * comps + k];
+           }
+       }
+    }
+}