1 files changed, 113 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/unichrome/via_tex.h b/src/mesa/drivers/dri/unichrome/via_tex.h
new file mode 100644
index 0000000000..e8710b59ce
--- /dev/null
+++ b/src/mesa/drivers/dri/unichrome/via_tex.h
@@ -0,0 +1,113 @@
+/*
+ * 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 _VIATEX_H
+#define _VIATEX_H
+
+#include "mtypes.h"
+/*#include "mmath.h"*/
+#include "mm.h"
+
+#include "via_context.h"
+#include "via_3d_reg.h"
+
+#define VIA_TEX_MAXLEVELS	10
+
+
+/* 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' 
+ */
+struct via_texture_object_t {
+    struct via_texture_object_t *next, *prev;
+
+    GLuint age;
+    struct gl_texture_object *globj;
+
+    int texelBytes;
+    int totalSize;
+
+    struct {
+	GLuint index;
+	GLuint offset;
+	GLuint size;
+    } texMem;
+    unsigned char* bufAddr;
+    
+    GLuint inAGP;
+    GLuint needClearCache;    
+    GLuint actualLevel;
+
+    GLuint maxLevel;
+    GLuint dirtyImages;
+
+    struct {
+        const struct gl_texture_image *image;
+        int offset;               /* into bufAddr */
+        int height;
+        int internalFormat;
+    } image[VIA_TEX_MAXLEVELS];
+
+    GLuint dirty;
+    
+    GLuint regTexFM;
+    GLuint regTexWidthLog2[2];
+    GLuint regTexHeightLog2[2];
+    GLuint regTexBaseH[4];
+    struct {
+	GLuint baseL;
+	GLuint pitchLog2;
+    } regTexBaseAndPitch[12];
+
+    GLint firstLevel, lastLevel;  /* upload tObj->Image[first .. lastLevel] */
+};              
+
+viaTextureObjectPtr viaAllocTextureObject(struct gl_texture_object *texObj);
+void viaUpdateTextureState(GLcontext *ctx);
+void viaInitTextureFuncs(struct dd_function_table * functions);
+void viaInitTextures(GLcontext *ctx);
+
+void viaDestroyTexObj(viaContextPtr vmesa, viaTextureObjectPtr t);
+void viaSwapOutTexObj(viaContextPtr vmesa, viaTextureObjectPtr t);
+void viaUploadTexImages(viaContextPtr vmesa, viaTextureObjectPtr t);
+
+void viaResetGlobalLRU(viaContextPtr vmesa);
+void viaTexturesGone(viaContextPtr vmesa,
+                     GLuint start, GLuint end,
+                     GLuint in_use);
+
+void viaPrintLocalLRU(viaContextPtr vmesa);
+void viaPrintGlobalLRU(viaContextPtr vmesa);
+void viaUpdateTexLRU(viaContextPtr vmesa, viaTextureObjectPtr t);
+
+#endif