1 files changed, 89 insertions, 0 deletions
diff --git a/src/mach64_tex.h b/src/mach64_tex.h
new file mode 100644
index 0000000..f6cf1cf
--- /dev/null
+++ b/src/mach64_tex.h
@@ -0,0 +1,89 @@
+/* $XFree86$ */ /* -*- mode: c; c-basic-offset: 3 -*- */
+/*
+ * Copyright 2000 Gareth Hughes
+ * 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 (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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * GARETH HUGHES 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.
+ */
+
+/*
+ * Authors:
+ *	Gareth Hughes <gareth@valinux.com>
+ *	Leif Delgass <ldelgass@retinalburn.net>
+ *	José Fonseca <j_r_fonseca@yahoo.co.uk>
+ */
+
+#ifndef __MACH64_TEX_H__
+#define __MACH64_TEX_H__
+
+extern void mach64UpdateTextureState( GLcontext *ctx );
+
+extern void mach64UploadTexImages( mach64ContextPtr mach64ctx,
+				   mach64TexObjPtr t );
+
+extern void mach64UploadMultiTexImages( mach64ContextPtr mach64ctx,
+					mach64TexObjPtr t0, mach64TexObjPtr t1 );
+
+extern void mach64DestroyTexObj( mach64ContextPtr mach64ctx,
+				 mach64TexObjPtr t );
+
+extern void mach64EmitTexStateLocked( mach64ContextPtr mmesa,
+				      mach64TexObjPtr t0,
+				      mach64TexObjPtr t1 );
+
+extern void mach64InitTextureFuncs( struct dd_function_table *functions );
+
+/* ================================================================
+ * Color conversion macros:
+ */
+
+#define MACH64PACKCOLOR332(r, g, b)					\
+   (((r) & 0xe0) | (((g) & 0xe0) >> 3) | (((b) & 0xc0) >> 6))
+
+#define MACH64PACKCOLOR1555(r, g, b, a)					\
+   ((((r) & 0xf8) << 7) | (((g) & 0xf8) << 2) | (((b) & 0xf8) >> 3) |	\
+    ((a) ? 0x8000 : 0))
+
+#define MACH64PACKCOLOR565(r, g, b)					\
+   ((((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >> 3))
+
+#define MACH64PACKCOLOR888(r, g, b)					\
+   (((r) << 16) | ((g) << 8) | (b))
+
+#define MACH64PACKCOLOR8888(r, g, b, a)					\
+   (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
+
+#define MACH64PACKCOLOR4444(r, g, b, a)					\
+   ((((a) & 0xf0) << 8) | (((r) & 0xf0) << 4) | ((g) & 0xf0) | ((b) >> 4))
+
+static __inline__ GLuint mach64PackColor( GLuint cpp,
+					  GLubyte r, GLubyte g,
+					  GLubyte b, GLubyte a )
+{
+   switch ( cpp ) {
+   case 2:
+      return MACH64PACKCOLOR565( r, g, b );
+   case 4:
+      return MACH64PACKCOLOR8888( r, g, b, a );
+   default:
+      return 0;
+   }
+}
+
+#endif