From 263581bba4d61291c54313648063a30c47106f0b Mon Sep 17 00:00:00 2001
From: Felix Kuehling <fxkuehl@gmx.de>
Date: Sun, 22 Feb 2004 16:11:12 +0000
Subject: Imported the Savage DRI driver from the savage-2-0-0-branch of DRI
 CVS with modifications to make it work with current Mesa 6.

---
 src/mesa/drivers/dri/savage/savagetex.h | 117 ++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 src/mesa/drivers/dri/savage/savagetex.h

(limited to 'src/mesa/drivers/dri/savage/savagetex.h')

diff --git a/src/mesa/drivers/dri/savage/savagetex.h b/src/mesa/drivers/dri/savage/savagetex.h
new file mode 100644
index 0000000000..9ff85e2e32
--- /dev/null
+++ b/src/mesa/drivers/dri/savage/savagetex.h
@@ -0,0 +1,117 @@
+/*
+ * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
+ * Copyright 2001-2003 S3 Graphics, Inc. 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, 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
+ * VIA, S3 GRAPHICS, AND/OR ITS 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 SAVAGETEX_INC
+#define SAVAGETEX_INC
+
+#include "mtypes.h"
+#include "mm.h"
+
+#include "savagecontext.h"
+#include "savage_3d_reg.h"
+
+#define VALID_SAVAGE_TEXTURE_OBJECT(tobj)  (tobj) 
+
+#define SAVAGE_TEX_MAXLEVELS 11
+#define MIN_TILE_CHUNK       8
+#define MIPMAP_CHUNK         4
+
+
+
+/* For shared texture space managment, these texture objects may also
+ * be used as proxies for regions of texture memory containing other
+ * client's textures.  Such proxy textures (not to be confused with GL
+ * proxy textures) are subject to the same LRU aging we use for our
+ * own private textures, and thus we have a mechanism where we can
+ * fairly decide between kicking out our own textures and those of
+ * other clients.
+ *
+ * Non-local texture objects have a valid MemBlock to describe the
+ * region managed by the other client, and can be identified by
+ * 't->globj == 0' 
+ */
+typedef struct  {
+    GLuint sWrapMode;
+    GLuint tWrapMode;
+    GLuint minFilter;
+    GLuint magFilter;
+    GLuint boarderColor;
+    GLuint hwPhysAddress;
+} savage_texture_parameter_t;
+
+struct savage_texture_object_t {
+   struct savage_texture_object_t *next, *prev;
+   struct gl_texture_object *globj;
+   GLuint age;   
+   
+     
+   GLuint texelBytes;
+   GLuint totalSize;
+   GLuint bound;
+   GLuint heap;
+
+   PMemBlock MemBlock;   
+   char *BufAddr;
+   
+   GLuint min_level;
+   GLuint max_level;
+   GLuint dirty_images;
+
+   struct { 
+      const struct gl_texture_image *image;
+      GLuint offset;		/* into BufAddr */
+      GLuint height;
+      GLuint internalFormat;
+   } image[SAVAGE_TEX_MAXLEVELS];
+
+   /* Support for multitexture.
+    */
+   GLuint current_unit;   
+   savage_texture_parameter_t texParams;
+};		
+
+#define SAVAGE_NO_PALETTE        0x0
+#define SAVAGE_USE_PALETTE       0x1
+#define SAVAGE_UPDATE_PALETTE    0x2
+#define SAVAGE_FALLBACK_PALETTE  0x4
+#define __HWEnvCombineSingleUnitScale(imesa, flag0, flag1, TexBlendCtrl)
+#define __HWParseTexEnvCombine(imesa, flag0, TexCtrl, TexBlendCtrl)
+
+
+extern void (*savageUpdateTextureState)( GLcontext *ctx );
+void savageDDInitTextureFuncs( struct dd_function_table *functions );
+
+void savageDestroyTexObj( savageContextPtr imesa, savageTextureObjectPtr t);
+int savageUploadTexImages( savageContextPtr imesa, savageTextureObjectPtr t );
+
+void savageResetGlobalLRU( savageContextPtr imesa , GLuint heap);
+void savageTexturesGone( savageContextPtr imesa, GLuint heap, 
+		       GLuint start, GLuint end, 
+		       GLuint in_use ); 
+
+void savagePrintLocalLRU( savageContextPtr imesa ,GLuint heap);
+void savagePrintGlobalLRU( savageContextPtr imesa ,GLuint heap);
+
+#endif
-- 
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