From bcc6eddd335e97d49ed2ef3a1440f94d58dce12d Mon Sep 17 00:00:00 2001
From: Jon Smirl <jonsmirl@gmail.com>
Date: Tue, 21 Oct 2003 06:05:39 +0000
Subject: Update DRI drivers to current DRI CVS and make them work.

---
 src/mesa/drivers/dri/common/xmlconfig.h | 125 ++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 src/mesa/drivers/dri/common/xmlconfig.h

(limited to 'src/mesa/drivers/dri/common/xmlconfig.h')

diff --git a/src/mesa/drivers/dri/common/xmlconfig.h b/src/mesa/drivers/dri/common/xmlconfig.h
new file mode 100644
index 0000000000..710e328e01
--- /dev/null
+++ b/src/mesa/drivers/dri/common/xmlconfig.h
@@ -0,0 +1,125 @@
+/*
+ * XML DRI client-side driver configuration
+ * Copyright (C) 2003 Felix Kuehling
+ *
+ * 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
+ * FELIX KUEHLING, OR ANY OTHER CONTRIBUTORS 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.
+ * 
+ */
+/**
+ * \file xmlconfig.h
+ * \brief Driver-independent client-side part of the XML configuration
+ * \author Felix Kuehling
+ */
+
+#ifndef __XMLCONFIG_H
+#define __XMLCONFIG_H
+
+/** \brief Option data types */
+typedef enum driOptionType {
+    DRI_BOOL, DRI_ENUM, DRI_INT, DRI_FLOAT
+} driOptionType;
+
+/** \brief Option value */
+typedef union driOptionValue {
+    GLboolean _bool; /**< \brief Boolean */
+    GLint _int;      /**< \brief Integer or Enum */
+    GLfloat _float;  /**< \brief Floating-point */
+} driOptionValue;
+
+/** \brief Single range of valid values
+ *
+ * For empty ranges (a single value) start == end */
+typedef struct driOptionRange {
+    driOptionValue start; /**< \brief Start */
+    driOptionValue end;   /**< \brief End */
+} driOptionRange;
+
+/** \brief Information about an option */
+typedef struct driOptionInfo {
+    char *name;             /**< \brief Name */
+    driOptionType type;     /**< \brief Type */
+    driOptionRange *ranges; /**< \brief Array of ranges */
+    GLuint nRanges;         /**< \brief Number of ranges */
+} driOptionInfo;
+
+/** \brief Option cache
+ *
+ * \li One in <driver>Screen caching option info and the default values
+ * \li One in each <driver>Context with the actual values for that context */
+typedef struct driOptionCache {
+    driOptionInfo *info;
+  /**< \brief Array of option infos
+   *
+   * Points to the same array in the screen and all contexts */
+    driOptionValue *values;	
+  /**< \brief Array of option values
+   *
+   * \li Default values in screen
+   * \li Actual values in contexts 
+   */
+    GLuint tableSize;
+  /**< \brief Size of the arrays
+   *
+   * Depending on the hash function this may differ from __driNConfigOptions.
+   * In the current implementation it's not actually a size but log2(size).
+   * The value is the same in the screen and all contexts. */
+} driOptionCache;
+
+/** \brief XML document describing available options
+ *
+ * This must be defined in a driver-specific soure file. xmlpool.h
+ * defines helper macros and common options. */
+extern const char __driConfigOptions[];
+/** \brief The number of options supported by a driver
+ *
+ * This is used to choose an appropriate hash table size. So any value
+ * larger than the actual number of options will work. */
+extern const GLuint __driNConfigOptions;
+
+/** \brief Parse XML option info from __driConfigOptions
+ *
+ * To be called in <driver>CreateScreen */
+void driParseOptionInfo (driOptionCache *info);
+/** \brief Initialize option cache from info and parse configuration files
+ *
+ * To be called in <driver>CreateContext. screenNum and driverName select
+ * device sections. */
+void driParseConfigFiles (driOptionCache *cache, driOptionCache *info,
+			  GLint screenNum, const char *driverName);
+/** \brief Destroy option info
+ *
+ * To be called in <driver>DestroyScreen */
+void driDestroyOptionInfo (driOptionCache *info);
+/** \brief Destroy option cache
+ *
+ * To be called in <driver>DestroyContext */
+void driDestroyOptionCache (driOptionCache *cache);
+
+/** \brief Check if there exists a certain option */
+GLboolean driCheckOption (const driOptionCache *cache, const char *name,
+			  driOptionType type);
+
+/** \brief Query a boolean option value */
+GLboolean driQueryOptionb (const driOptionCache *cache, const char *name);
+/** \brief Query an integer option value */
+GLint driQueryOptioni (const driOptionCache *cache, const char *name);
+/** \brief Query a floating-point option value */
+GLfloat driQueryOptionf (const driOptionCache *cache, const char *name);
+
+#endif
-- 
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