missing files

src/mesa/drivers/common/depthtmp.h

@@ -0,0 +1,176 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/common/depthtmp.h,v 1.5 2001/03/21 16:14:20 dawes Exp $ */
+
+#ifndef DBG
+#define DBG 0
+#endif
+
+
+#ifndef HAVE_HW_DEPTH_SPANS
+#define HAVE_HW_DEPTH_SPANS 0
+#endif
+#ifndef HAVE_HW_DEPTH_PIXELS
+#define HAVE_HW_DEPTH_PIXELS 0
+#endif
+
+#ifndef HW_READ_LOCK
+#define HW_READ_LOCK()		HW_LOCK()
+#endif
+#ifndef HW_READ_UNLOCK
+#define HW_READ_UNLOCK()	HW_UNLOCK()
+#endif
+
+static void TAG(WriteDepthSpan)( GLcontext *ctx,
+                             GLuint n, GLint x, GLint y,
+				 const GLdepth *depth,
+				 const GLubyte mask[] )
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint x1;
+	 GLint n1;
+	 LOCAL_DEPTH_VARS;
+
+	 y = Y_FLIP( y );
+
+#if HAVE_HW_DEPTH_SPANS
+	 (void) x1; (void) n1;
+
+	 if ( DBG ) fprintf( stderr, "WriteDepthSpan 0..%d (x1 %d)\n",
+			     (int)n, (int)x );
+
+	 WRITE_DEPTH_SPAN();
+#else
+	 HW_CLIPLOOP()
+	    {
+	       GLint i = 0;
+	       CLIPSPAN( x, y, n, x1, n1, i );
+
+	       if ( DBG ) fprintf( stderr, "WriteDepthSpan %d..%d (x1 %d)\n",
+				   (int)i, (int)n1, (int)x1 );
+
+	       if ( mask ) {
+		  for ( ; i < n1 ; i++, x1++ ) {
+		     if ( mask[i] ) WRITE_DEPTH( x1, y, depth[i] );
+		  }
+	       } else {
+		  for ( ; i < n1 ; i++, x1++ ) {
+		     WRITE_DEPTH( x1, y, depth[i] );
+		  }
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+#endif
+      }
+   HW_WRITE_UNLOCK();
+}
+
+static void TAG(WriteDepthPixels)( GLcontext *ctx,
+				   GLuint n,
+				   const GLint x[],
+				   const GLint y[],
+				   const GLdepth depth[],
+				   const GLubyte mask[] )
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint i;
+	 LOCAL_DEPTH_VARS;
+
+	 if ( DBG ) fprintf( stderr, "WriteDepthPixels\n" );
+
+#if HAVE_HW_DEPTH_PIXELS
+	 (void) i;
+
+	 WRITE_DEPTH_PIXELS();
+#else
+	 HW_CLIPLOOP()
+	    {
+	       for ( i = 0 ; i < n ; i++ ) {
+		  if ( mask[i] ) {
+		     const int fy = Y_FLIP( y[i] );
+		     if ( CLIPPIXEL( x[i], fy ) )
+			WRITE_DEPTH( x[i], fy, depth[i] );
+		  }
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+#endif
+      }
+   HW_WRITE_UNLOCK();
+}
+
+
+/* Read depth spans and pixels
+ */
+static void TAG(ReadDepthSpan)( GLcontext *ctx,
+				GLuint n, GLint x, GLint y,
+				GLdepth depth[] )
+{
+   HW_READ_LOCK()
+      {
+	 GLint x1, n1;
+	 LOCAL_DEPTH_VARS;
+
+	 y = Y_FLIP( y );
+
+	 if ( DBG ) fprintf( stderr, "ReadDepthSpan\n" );
+
+#if HAVE_HW_DEPTH_SPANS
+	 (void) x1; (void) n1;
+
+	 READ_DEPTH_SPAN();
+#else
+	 HW_CLIPLOOP()
+	    {
+	       GLint i = 0;
+	       CLIPSPAN( x, y, n, x1, n1, i );
+	       for ( ; i < n1 ; i++ )
+		  READ_DEPTH( depth[i], (x1+i), y );
+	    }
+	 HW_ENDCLIPLOOP();
+#endif
+      }
+   HW_READ_UNLOCK();
+}
+
+static void TAG(ReadDepthPixels)( GLcontext *ctx, GLuint n,
+				  const GLint x[], const GLint y[],
+				  GLdepth depth[] )
+{
+   HW_READ_LOCK()
+      {
+	 GLint i;
+	 LOCAL_DEPTH_VARS;
+
+	 if ( DBG ) fprintf( stderr, "ReadDepthPixels\n" );
+
+#if HAVE_HW_DEPTH_PIXELS
+	 (void) i;
+
+	 READ_DEPTH_PIXELS();
+#else
+	 HW_CLIPLOOP()
+	    {
+	       for ( i = 0 ; i < n ;i++ ) {
+		  int fy = Y_FLIP( y[i] );
+		  if ( CLIPPIXEL( x[i], fy ) )
+		     READ_DEPTH( depth[i], x[i], fy );
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+#endif
+      }
+   HW_READ_UNLOCK();
+}
+
+
+#if HAVE_HW_DEPTH_SPANS
+#undef WRITE_DEPTH_SPAN
+#undef WRITE_DEPTH_PIXELS
+#undef READ_DEPTH_SPAN
+#undef READ_DEPTH_PIXELS
+#else
+#undef WRITE_DEPTH
+#undef READ_DEPTH
+#endif
+#undef TAG

src/mesa/drivers/common/hwlog.c

@@ -0,0 +1,142 @@
+/*
+ * GLX Hardware Device Driver common code 
+ * 
+ * Based on the original MGA G200 driver (c) 1999 Wittawat Yamwong
+ *
+ * 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
+ * WITTAWAT YAMWONG, 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.
+ *
+ *
+ *    Wittawat Yamwong <Wittawat.Yamwong@stud.uni-hannover.de>
+ */
+/* $XFree86: xc/lib/GL/mesa/src/drv/common/hwlog.c,v 1.3 2001/08/18 02:51:03 dawes Exp $ */
+ 
+#include "hwlog.h"
+hwlog_t hwlog = { 0,0,0, "[???] "};
+
+
+/* Should be shared, but is this a good place for it?
+ */
+#include <sys/time.h>
+#include <stdarg.h>
+
+
+int usec( void ) 
+{
+   struct timeval tv;
+   struct timezone tz;
+   
+   gettimeofday( &tv, &tz );
+   
+   return (tv.tv_sec & 2047) * 1000000 + tv.tv_usec;
+}
+
+
+#ifdef HW_LOG_ENABLED
+int hwOpenLog(const char *filename, char *prefix)
+{
+  hwCloseLog();
+  hwSetLogLevel(0);
+  hwlog.prefix=prefix;
+  if (!filename)
+    return -1;
+  if ((hwlog.file = fopen(filename,"w")) == NULL)
+      return -1;
+  return 0;
+}
+
+void hwCloseLog()
+{
+  if (hwlog.file) {
+    fclose(hwlog.file);
+    hwlog.file = NULL;
+  }
+}
+
+int hwIsLogReady()
+{
+  return (hwlog.file != NULL);
+}
+
+void hwSetLogLevel(int level)
+{
+  hwlog.level = level;
+}
+
+int hwGetLogLevel()
+{
+  return hwlog.level;
+}
+
+void hwLog(int level, const char *format, ...)
+{
+  va_list ap;
+  va_start(ap,format);
+  hwLogv(level,format,ap);
+  va_end(ap);
+}
+
+void hwLogv(int l, const char *format, va_list ap)
+{
+  if (hwlog.file && (l <= hwlog.level)) {
+    vfprintf(hwlog.file,format,ap);
+    fflush(hwlog.file);
+  }
+}
+
+void hwMsg(int l, const char *format, ...)
+{
+  va_list ap;
+  va_start(ap, format);
+
+  if (l <= hwlog.level) {
+    if (hwIsLogReady()) {
+      int t = usec();
+
+      hwLog(l, "%6i:", t - hwlog.timeTemp);
+      hwlog.timeTemp = t;
+      hwLogv(l, format, ap);
+    } else {
+      fprintf(stderr, hwlog.prefix);
+      vfprintf(stderr, format, ap);
+    }
+  }
+
+  va_end(ap);
+}
+
+#else /* ifdef HW_LOG_ENABLED */
+
+int hwlogdummy()
+{
+  return 0;
+}
+
+#endif
+
+void hwError(const char *format, ...)
+{
+  va_list ap;
+  va_start(ap, format);
+
+  fprintf(stderr, hwlog.prefix);
+  vfprintf(stderr, format, ap);
+  hwLogv(0, format, ap);
+
+  va_end(ap);
+}

src/mesa/drivers/common/hwlog.h

@@ -0,0 +1,101 @@
+/*
+ * GLX Hardware Device Driver common code
+ *
+ * Based on the original MGA G200 driver (c) 1999 Wittawat Yamwong
+ *
+ * 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
+ * WITTAWAT YAMWONG, 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.
+ *
+ *
+ *    Wittawat Yamwong <Wittawat.Yamwong@stud.uni-hannover.de>
+ */
+/* $XFree86: xc/lib/GL/mesa/src/drv/common/hwlog.h,v 1.5 2001/10/31 23:22:57 tsi Exp $ */
+ 
+/* Usage:
+ * - use mgaError for error messages. Always write to X error and log file.
+ * - use mgaMsg for debugging. Can be disabled by undefining MGA_LOG_ENABLED.
+ */
+ 
+#ifndef HWLOG_INC
+#define HWLOG_INC
+
+
+#include <stdarg.h>
+#include <stdio.h>
+
+#define DBG_LEVEL_BASE          1
+#define DBG_LEVEL_VERBOSE       10
+#define DBG_LEVEL_ENTEREXIT     20
+
+typedef struct
+{
+  FILE *file;
+  int   level;
+  unsigned int timeTemp;
+  char *prefix;
+} hwlog_t;
+
+extern hwlog_t hwlog;
+
+
+#ifdef HW_LOG_ENABLED
+
+/* open and close log file. */
+int  hwOpenLog(const char *filename, char *prefix);
+void hwCloseLog(void);
+
+/* return 1 if log file is succesfully opened */
+int  hwIsLogReady(void);
+
+/* set current log level to 'level'. Messages with level less than or equal
+   the current log level will be written to the log file. */
+void hwSetLogLevel(int level);
+int  hwGetLogLevel(void);
+
+/* hwLog and hwLogv write a message to the log file.	*/
+/* do not call these directly, use hwMsg() instead	*/
+void hwLog(int level, const char *format, ...);
+void hwLogv(int level, const char *format, va_list ap);
+
+int usec( void );
+
+/* hwMsg writes a message to the log file or to the standard X error file. */
+void hwMsg(int level, const char *format, ...);
+
+
+#else
+
+
+static __inline__ int hwOpenLog(const char *f, char *prefix) { hwlog.prefix=prefix; return -1; }
+#define hwIsLogReady() (0)
+#define hwGetLogLevel() (-1)
+#define hwLogLevel(n) (0)
+#define hwLog()
+#define hwMsg()
+
+#define hwCloseLog()
+#define hwSetLogLevel(x)
+#define hwLogv(l,f,a)
+
+
+#endif
+
+void hwError(const char *format, ...);
+
+
+#endif

src/mesa/drivers/common/mm.c

@@ -0,0 +1,200 @@
+/*
+ * GLX Hardware Device Driver common code
+ * Copyright (C) 1999 Keith Whitwell
+ *
+ * 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
+ * KEITH WHITWELL, 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.
+ *
+ */
+/* $XFree86: xc/lib/GL/mesa/src/drv/common/mm.c,v 1.3 2001/08/18 02:51:03 dawes Exp $ */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "mm.h"
+#include "hwlog.h"
+
+/* KW: I don't know who the author of this code is, but it wasn't me
+ * despite what the copyright says...
+ */
+
+void mmDumpMemInfo( memHeap_t *heap )
+{
+   TMemBlock *p;
+
+   fprintf(stderr, "Memory heap %p:\n", heap);
+   if (heap == 0) {
+      fprintf(stderr, "  heap == 0\n");
+   } else {
+      p = (TMemBlock *)heap;
+      while (p) {
+	 fprintf(stderr, "  Offset:%08x, Size:%08x, %c%c\n",p->ofs,p->size,
+		 p->free ? '.':'U',
+		 p->reserved ? 'R':'.');
+	 p = p->next;
+      }
+   }
+   fprintf(stderr, "End of memory blocks\n");
+}
+
+memHeap_t *mmInit(int ofs,
+		  int size)
+{
+   PMemBlock blocks;
+  
+   if (size <= 0) {
+      return 0;
+   }
+   blocks = (TMemBlock *) calloc(1,sizeof(TMemBlock));
+   if (blocks) {
+      blocks->ofs = ofs;
+      blocks->size = size;
+      blocks->free = 1;
+      return (memHeap_t *)blocks;
+   } else
+      return 0;
+}
+
+
+static TMemBlock* SliceBlock(TMemBlock *p, 
+			     int startofs, int size, 
+			     int reserved, int alignment)
+{
+   TMemBlock *newblock;
+
+   /* break left */
+   if (startofs > p->ofs) {
+      newblock = (TMemBlock*) calloc(1,sizeof(TMemBlock));
+      if (!newblock)
+	 return NULL;
+      newblock->ofs = startofs;
+      newblock->size = p->size - (startofs - p->ofs);
+      newblock->free = 1;
+      newblock->next = p->next;
+      p->size -= newblock->size;
+      p->next = newblock;
+      p = newblock;
+   }
+
+   /* break right */
+   if (size < p->size) {
+      newblock = (TMemBlock*) calloc(1,sizeof(TMemBlock));
+      if (!newblock)
+	 return NULL;
+      newblock->ofs = startofs + size;
+      newblock->size = p->size - size;
+      newblock->free = 1;
+      newblock->next = p->next;
+      p->size = size;
+      p->next = newblock;
+   }
+
+   /* p = middle block */
+   p->align = alignment;
+   p->free = 0;
+   p->reserved = reserved;
+   return p;
+}
+
+PMemBlock mmAllocMem( memHeap_t *heap, int size, int align2, int startSearch)
+{
+   int mask,startofs,endofs;
+   TMemBlock *p;
+
+   if (!heap || align2 < 0 || size <= 0)
+      return NULL;
+   mask = (1 << align2)-1;
+   startofs = 0;
+   p = (TMemBlock *)heap;
+   while (p) {
+      if ((p)->free) {
+	 startofs = (p->ofs + mask) & ~mask;
+	 if ( startofs < startSearch ) {
+	    startofs = startSearch;
+	 }
+	 endofs = startofs+size;
+	 if (endofs <= (p->ofs+p->size))
+	    break;
+      }
+      p = p->next;
+   }
+   if (!p)
+      return NULL;
+   p = SliceBlock(p,startofs,size,0,mask+1);
+   p->heap = heap;
+   return p;
+}
+
+static __inline__ int Join2Blocks(TMemBlock *p)
+{
+   if (p->free && p->next && p->next->free) {
+      TMemBlock *q = p->next;
+      p->size += q->size;
+      p->next = q->next;
+      free(q);
+      return 1;
+   }
+   return 0;
+}
+
+int mmFreeMem(PMemBlock b)
+{
+   TMemBlock *p,*prev;
+
+   if (!b)
+      return 0;
+   if (!b->heap) {
+      fprintf(stderr, "no heap\n");
+      return -1;
+   }
+   p = b->heap;
+   prev = NULL;
+   while (p && p != b) {
+      prev = p;
+      p = p->next;
+   }
+   if (!p || p->free || p->reserved) {
+      if (!p)
+	 fprintf(stderr, "block not found in heap\n");
+      else if (p->free)
+	 fprintf(stderr, "block already free\n");
+      else
+	 fprintf(stderr, "block is reserved\n");
+      return -1;
+   }
+   p->free = 1;
+   Join2Blocks(p);
+   if (prev)
+      Join2Blocks(prev);
+   return 0;
+}
+
+
+void mmDestroy(memHeap_t *heap)
+{
+   TMemBlock *p,*q;
+
+   if (!heap)
+      return;
+   p = (TMemBlock *)heap;
+   while (p) {
+      q = p->next;
+      free(p);
+      p = q;
+   }
+}

src/mesa/drivers/common/mm.h

@@ -0,0 +1,82 @@
+/*
+ * GLX Hardware Device Driver common code
+ * Copyright (C) 1999 Keith Whitwell
+ *
+ * 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
+ * KEITH WHITWELL, 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.
+ *
+ */
+
+#ifndef MM_INC
+#define MM_INC
+
+struct mem_block_t {
+  struct mem_block_t *next;
+  struct mem_block_t *heap;
+  int ofs,size;
+  int align;
+  int free:1;
+  int reserved:1;
+};
+typedef struct mem_block_t TMemBlock;
+typedef struct mem_block_t *PMemBlock;
+
+/* a heap is just the first block in a chain */
+typedef struct mem_block_t memHeap_t;
+
+static __inline__ int mmBlockSize(PMemBlock b)
+{ return b->size; }
+
+static __inline__ int mmOffset(PMemBlock b)
+{ return b->ofs; }
+
+/* 
+ * input: total size in bytes
+ * return: a heap pointer if OK, NULL if error
+ */
+memHeap_t *mmInit( int ofs, int size );
+
+/*
+ * Allocate 'size' bytes with 2^align2 bytes alignment,
+ * restrict the search to free memory after 'startSearch'
+ * depth and back buffers should be in different 4mb banks
+ * to get better page hits if possible
+ * input:	size = size of block
+ *       	align2 = 2^align2 bytes alignment
+ *		startSearch = linear offset from start of heap to begin search
+ * return: pointer to the allocated block, 0 if error
+ */
+PMemBlock  mmAllocMem( memHeap_t *heap, int size, int align2, 
+		       int startSearch );
+
+/*
+ * Free block starts at offset
+ * input: pointer to a block
+ * return: 0 if OK, -1 if error
+ */
+int  mmFreeMem( PMemBlock b );
+
+/*
+ * destroy MM
+ */
+void mmDestroy( memHeap_t *mmInit );
+
+/* For debuging purpose. */
+void mmDumpMemInfo( memHeap_t *mmInit );
+
+#endif

src/mesa/drivers/common/spantmp.h

@@ -0,0 +1,259 @@
+#ifndef DBG
+#define DBG 0
+#endif
+
+#ifndef HW_WRITE_LOCK
+#define HW_WRITE_LOCK()		HW_LOCK()
+#endif
+
+#ifndef HW_WRITE_UNLOCK
+#define HW_WRITE_UNLOCK()	HW_UNLOCK()
+#endif
+
+#ifndef HW_READ_LOCK
+#define HW_READ_LOCK()		HW_LOCK()
+#endif
+
+#ifndef HW_READ_UNLOCK
+#define HW_READ_UNLOCK()	HW_UNLOCK()
+#endif
+
+#ifndef HW_READ_CLIPLOOP
+#define HW_READ_CLIPLOOP()	HW_CLIPLOOP()
+#endif
+
+#ifndef HW_WRITE_CLIPLOOP
+#define HW_WRITE_CLIPLOOP()	HW_CLIPLOOP()
+#endif
+
+
+static void TAG(WriteRGBASpan)( const GLcontext *ctx,
+				GLuint n, GLint x, GLint y,
+				const GLubyte rgba[][4],
+				const GLubyte mask[] )
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint x1;
+	 GLint n1;
+	 LOCAL_VARS;
+
+	 y = Y_FLIP(y);
+
+	 HW_WRITE_CLIPLOOP()
+	    {
+	       GLint i = 0;
+	       CLIPSPAN(x,y,n,x1,n1,i);
+
+	       if (DBG) fprintf(stderr, "WriteRGBASpan %d..%d (x1 %d)\n",
+				(int)i, (int)n1, (int)x1);
+
+	       if (mask)
+	       {
+		  for (;n1>0;i++,x1++,n1--)
+		     if (mask[i])
+			WRITE_RGBA( x1, y,
+				    rgba[i][0], rgba[i][1],
+				    rgba[i][2], rgba[i][3] );
+	       }
+	       else
+	       {
+		  for (;n1>0;i++,x1++,n1--)
+		     WRITE_RGBA( x1, y,
+				 rgba[i][0], rgba[i][1],
+				 rgba[i][2], rgba[i][3] );
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_WRITE_UNLOCK();
+}
+
+static void TAG(WriteRGBSpan)( const GLcontext *ctx,
+			       GLuint n, GLint x, GLint y,
+			       const GLubyte rgb[][3],
+			       const GLubyte mask[] )
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint x1;
+	 GLint n1;
+	 LOCAL_VARS;
+
+	 y = Y_FLIP(y);
+
+	 HW_WRITE_CLIPLOOP()
+	    {
+	       GLint i = 0;
+	       CLIPSPAN(x,y,n,x1,n1,i);
+
+	       if (DBG) fprintf(stderr, "WriteRGBSpan %d..%d (x1 %d)\n",
+				(int)i, (int)n1, (int)x1);
+
+	       if (mask)
+	       {
+		  for (;n1>0;i++,x1++,n1--)
+		     if (mask[i])
+			WRITE_RGBA( x1, y, rgb[i][0], rgb[i][1], rgb[i][2], 255 );
+	       }
+	       else
+	       {
+		  for (;n1>0;i++,x1++,n1--)
+		     WRITE_RGBA( x1, y, rgb[i][0], rgb[i][1], rgb[i][2], 255 );
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_WRITE_UNLOCK();
+}
+
+static void TAG(WriteRGBAPixels)( const GLcontext *ctx,
+			       GLuint n,
+			       const GLint x[],
+			       const GLint y[],
+			       const GLubyte rgba[][4],
+			       const GLubyte mask[] )
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint i;
+	 LOCAL_VARS;
+
+	 if (DBG) fprintf(stderr, "WriteRGBAPixels\n");
+
+	 HW_WRITE_CLIPLOOP()
+	    {
+	       for (i=0;i<n;i++)
+	       {
+		  if (mask[i]) {
+		     const int fy = Y_FLIP(y[i]);
+		     if (CLIPPIXEL(x[i],fy))
+			WRITE_RGBA( x[i], fy,
+				    rgba[i][0], rgba[i][1],
+				    rgba[i][2], rgba[i][3] );
+		  }
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_WRITE_UNLOCK();
+}
+
+
+static void TAG(WriteMonoRGBASpan)( const GLcontext *ctx,	
+				    GLuint n, GLint x, GLint y, 
+				    const GLchan color[4],
+				    const GLubyte mask[] )
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint x1;
+	 GLint n1;
+	 LOCAL_VARS;
+	 INIT_MONO_PIXEL(p, color);
+
+	 y = Y_FLIP( y );
+
+	 if (DBG) fprintf(stderr, "WriteMonoRGBASpan\n");
+
+	 HW_WRITE_CLIPLOOP()
+	    {
+	       GLint i = 0;
+	       CLIPSPAN(x,y,n,x1,n1,i);
+	       for (;n1>0;i++,x1++,n1--)
+		  if (mask[i])
+		     WRITE_PIXEL( x1, y, p );
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_WRITE_UNLOCK();
+}
+
+
+static void TAG(WriteMonoRGBAPixels)( const GLcontext *ctx,
+				      GLuint n,
+				      const GLint x[], const GLint y[],
+				      const GLchan color[],
+				      const GLubyte mask[] ) 
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint i;
+	 LOCAL_VARS;
+	 INIT_MONO_PIXEL(p, color);
+
+	 if (DBG) fprintf(stderr, "WriteMonoRGBAPixels\n");
+
+	 HW_WRITE_CLIPLOOP()
+	    {
+	       for (i=0;i<n;i++)
+		  if (mask[i]) {
+		     int fy = Y_FLIP(y[i]);
+		     if (CLIPPIXEL( x[i], fy ))
+			WRITE_PIXEL( x[i], fy, p );
+		  }
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_WRITE_UNLOCK();
+}
+
+
+static void TAG(ReadRGBASpan)( const GLcontext *ctx,
+			       GLuint n, GLint x, GLint y,
+			       GLubyte rgba[][4])
+{
+   HW_READ_LOCK()
+      {
+	 GLint x1,n1;
+	 LOCAL_VARS;
+
+	 y = Y_FLIP(y);
+
+	 if (DBG) fprintf(stderr, "ReadRGBASpan\n");
+
+	 HW_READ_CLIPLOOP()
+	    {
+	       GLint i = 0;
+	       CLIPSPAN(x,y,n,x1,n1,i);
+	       for (;n1>0;i++,x1++,n1--)
+		  READ_RGBA( rgba[i], x1, y );
+	    }
+         HW_ENDCLIPLOOP();
+      }
+   HW_READ_UNLOCK();
+}
+
+
+static void TAG(ReadRGBAPixels)( const GLcontext *ctx,
+				 GLuint n, const GLint x[], const GLint y[],
+				 GLubyte rgba[][4], const GLubyte mask[] )
+{
+   HW_READ_LOCK()
+      {
+	 GLint i;
+	 LOCAL_VARS;
+
+	 if (DBG) fprintf(stderr, "ReadRGBAPixels\n");
+
+	 HW_READ_CLIPLOOP()
+	    {
+	       for (i=0;i<n;i++)
+		  if (mask[i]) {
+		     int fy = Y_FLIP( y[i] );
+		     if (CLIPPIXEL( x[i], fy ))
+			READ_RGBA( rgba[i], x[i], fy );
+		  }
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_READ_UNLOCK();
+}
+
+
+
+
+#undef WRITE_PIXEL
+#undef WRITE_RGBA
+#undef READ_RGBA
+#undef TAG

src/mesa/drivers/common/stenciltmp.h

@@ -0,0 +1,147 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/common/stenciltmp.h,v 1.3 2001/03/21 16:14:20 dawes Exp $ */
+
+#ifndef DBG
+#define DBG 0
+#endif
+
+#ifndef HW_WRITE_LOCK
+#define HW_WRITE_LOCK()		HW_LOCK()
+#endif
+#ifndef HW_WRITE_UNLOCK
+#define HW_WRITE_UNLOCK()	HW_UNLOCK()
+#endif
+
+#ifndef HW_READ_LOCK
+#define HW_READ_LOCK()		HW_LOCK()
+#endif
+#ifndef HW_READ_UNLOCK
+#define HW_READ_UNLOCK()	HW_UNLOCK()
+#endif
+
+static void TAG(WriteStencilSpan)( GLcontext *ctx,
+				   GLuint n, GLint x, GLint y,
+				   const GLstencil *stencil, 
+				   const GLubyte mask[] )
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint x1;
+	 GLint n1;
+	 LOCAL_STENCIL_VARS;
+
+	 y = Y_FLIP(y);
+
+	 HW_CLIPLOOP() 
+	    {
+	       GLint i = 0;
+	       CLIPSPAN(x,y,n,x1,n1,i);
+
+	       if (DBG) fprintf(stderr, "WriteStencilSpan %d..%d (x1 %d)\n",
+				(int)i, (int)n1, (int)x1);
+
+	       if (mask)
+	       {
+		  for (;i<n1;i++,x1++)
+		     if (mask[i])
+			WRITE_STENCIL( x1, y, stencil[i] );
+	       }
+	       else
+	       {
+		  for (;i<n1;i++,x1++)
+		     WRITE_STENCIL( x1, y, stencil[i] );
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_WRITE_UNLOCK();
+}
+
+
+static void TAG(WriteStencilPixels)( GLcontext *ctx,
+				     GLuint n, 
+				     const GLint x[], 
+				     const GLint y[],
+				     const GLstencil stencil[], 
+				     const GLubyte mask[] )
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint i;
+	 LOCAL_STENCIL_VARS;
+
+	 if (DBG) fprintf(stderr, "WriteStencilPixels\n");
+
+	 HW_CLIPLOOP()
+	    {
+	       for (i=0;i<n;i++)
+	       {
+		  if (mask[i]) {
+		     const int fy = Y_FLIP(y[i]);
+		     if (CLIPPIXEL(x[i],fy))
+			WRITE_STENCIL( x[i], fy, stencil[i] );
+		  }
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_WRITE_UNLOCK();
+}
+
+
+/* Read stencil spans and pixels
+ */
+static void TAG(ReadStencilSpan)( GLcontext *ctx,
+				  GLuint n, GLint x, GLint y,
+				  GLstencil stencil[])
+{
+   HW_READ_LOCK()
+      {
+	 GLint x1,n1;
+	 LOCAL_STENCIL_VARS;
+
+	 y = Y_FLIP(y);
+
+	 if (DBG) fprintf(stderr, "ReadStencilSpan\n");
+
+	 HW_CLIPLOOP() 
+	    {
+	       GLint i = 0;
+	       CLIPSPAN(x,y,n,x1,n1,i);
+	       for (;i<n1;i++)
+		  READ_STENCIL( stencil[i], (x1+i), y );
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_READ_UNLOCK();
+}
+
+static void TAG(ReadStencilPixels)( GLcontext *ctx, GLuint n, 
+				    const GLint x[], const GLint y[],
+				    GLstencil stencil[] )
+{
+   HW_READ_LOCK()
+      {
+	 GLint i;
+	 LOCAL_STENCIL_VARS;
+
+	 if (DBG) fprintf(stderr, "ReadStencilPixels\n");
+ 
+	 HW_CLIPLOOP()
+	    {
+	       for (i=0;i<n;i++) {
+		  int fy = Y_FLIP( y[i] );
+		  if (CLIPPIXEL( x[i], fy ))
+		     READ_STENCIL( stencil[i], x[i], fy );
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_READ_UNLOCK();
+}
+
+
+
+
+#undef WRITE_STENCIL
+#undef READ_STENCIL
+#undef TAG

src/mesa/drivers/dri/common/depthtmp.h

@@ -0,0 +1,176 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/common/depthtmp.h,v 1.5 2001/03/21 16:14:20 dawes Exp $ */
+
+#ifndef DBG
+#define DBG 0
+#endif
+
+
+#ifndef HAVE_HW_DEPTH_SPANS
+#define HAVE_HW_DEPTH_SPANS 0
+#endif
+#ifndef HAVE_HW_DEPTH_PIXELS
+#define HAVE_HW_DEPTH_PIXELS 0
+#endif
+
+#ifndef HW_READ_LOCK
+#define HW_READ_LOCK()		HW_LOCK()
+#endif
+#ifndef HW_READ_UNLOCK
+#define HW_READ_UNLOCK()	HW_UNLOCK()
+#endif
+
+static void TAG(WriteDepthSpan)( GLcontext *ctx,
+                             GLuint n, GLint x, GLint y,
+				 const GLdepth *depth,
+				 const GLubyte mask[] )
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint x1;
+	 GLint n1;
+	 LOCAL_DEPTH_VARS;
+
+	 y = Y_FLIP( y );
+
+#if HAVE_HW_DEPTH_SPANS
+	 (void) x1; (void) n1;
+
+	 if ( DBG ) fprintf( stderr, "WriteDepthSpan 0..%d (x1 %d)\n",
+			     (int)n, (int)x );
+
+	 WRITE_DEPTH_SPAN();
+#else
+	 HW_CLIPLOOP()
+	    {
+	       GLint i = 0;
+	       CLIPSPAN( x, y, n, x1, n1, i );
+
+	       if ( DBG ) fprintf( stderr, "WriteDepthSpan %d..%d (x1 %d)\n",
+				   (int)i, (int)n1, (int)x1 );
+
+	       if ( mask ) {
+		  for ( ; i < n1 ; i++, x1++ ) {
+		     if ( mask[i] ) WRITE_DEPTH( x1, y, depth[i] );
+		  }
+	       } else {
+		  for ( ; i < n1 ; i++, x1++ ) {
+		     WRITE_DEPTH( x1, y, depth[i] );
+		  }
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+#endif
+      }
+   HW_WRITE_UNLOCK();
+}
+
+static void TAG(WriteDepthPixels)( GLcontext *ctx,
+				   GLuint n,
+				   const GLint x[],
+				   const GLint y[],
+				   const GLdepth depth[],
+				   const GLubyte mask[] )
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint i;
+	 LOCAL_DEPTH_VARS;
+
+	 if ( DBG ) fprintf( stderr, "WriteDepthPixels\n" );
+
+#if HAVE_HW_DEPTH_PIXELS
+	 (void) i;
+
+	 WRITE_DEPTH_PIXELS();
+#else
+	 HW_CLIPLOOP()
+	    {
+	       for ( i = 0 ; i < n ; i++ ) {
+		  if ( mask[i] ) {
+		     const int fy = Y_FLIP( y[i] );
+		     if ( CLIPPIXEL( x[i], fy ) )
+			WRITE_DEPTH( x[i], fy, depth[i] );
+		  }
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+#endif
+      }
+   HW_WRITE_UNLOCK();
+}
+
+
+/* Read depth spans and pixels
+ */
+static void TAG(ReadDepthSpan)( GLcontext *ctx,
+				GLuint n, GLint x, GLint y,
+				GLdepth depth[] )
+{
+   HW_READ_LOCK()
+      {
+	 GLint x1, n1;
+	 LOCAL_DEPTH_VARS;
+
+	 y = Y_FLIP( y );
+
+	 if ( DBG ) fprintf( stderr, "ReadDepthSpan\n" );
+
+#if HAVE_HW_DEPTH_SPANS
+	 (void) x1; (void) n1;
+
+	 READ_DEPTH_SPAN();
+#else
+	 HW_CLIPLOOP()
+	    {
+	       GLint i = 0;
+	       CLIPSPAN( x, y, n, x1, n1, i );
+	       for ( ; i < n1 ; i++ )
+		  READ_DEPTH( depth[i], (x1+i), y );
+	    }
+	 HW_ENDCLIPLOOP();
+#endif
+      }
+   HW_READ_UNLOCK();
+}
+
+static void TAG(ReadDepthPixels)( GLcontext *ctx, GLuint n,
+				  const GLint x[], const GLint y[],
+				  GLdepth depth[] )
+{
+   HW_READ_LOCK()
+      {
+	 GLint i;
+	 LOCAL_DEPTH_VARS;
+
+	 if ( DBG ) fprintf( stderr, "ReadDepthPixels\n" );
+
+#if HAVE_HW_DEPTH_PIXELS
+	 (void) i;
+
+	 READ_DEPTH_PIXELS();
+#else
+	 HW_CLIPLOOP()
+	    {
+	       for ( i = 0 ; i < n ;i++ ) {
+		  int fy = Y_FLIP( y[i] );
+		  if ( CLIPPIXEL( x[i], fy ) )
+		     READ_DEPTH( depth[i], x[i], fy );
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+#endif
+      }
+   HW_READ_UNLOCK();
+}
+
+
+#if HAVE_HW_DEPTH_SPANS
+#undef WRITE_DEPTH_SPAN
+#undef WRITE_DEPTH_PIXELS
+#undef READ_DEPTH_SPAN
+#undef READ_DEPTH_PIXELS
+#else
+#undef WRITE_DEPTH
+#undef READ_DEPTH
+#endif
+#undef TAG

src/mesa/drivers/dri/common/hwlog.c

@@ -0,0 +1,142 @@
+/*
+ * GLX Hardware Device Driver common code 
+ * 
+ * Based on the original MGA G200 driver (c) 1999 Wittawat Yamwong
+ *
+ * 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
+ * WITTAWAT YAMWONG, 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.
+ *
+ *
+ *    Wittawat Yamwong <Wittawat.Yamwong@stud.uni-hannover.de>
+ */
+/* $XFree86: xc/lib/GL/mesa/src/drv/common/hwlog.c,v 1.3 2001/08/18 02:51:03 dawes Exp $ */
+ 
+#include "hwlog.h"
+hwlog_t hwlog = { 0,0,0, "[???] "};
+
+
+/* Should be shared, but is this a good place for it?
+ */
+#include <sys/time.h>
+#include <stdarg.h>
+
+
+int usec( void ) 
+{
+   struct timeval tv;
+   struct timezone tz;
+   
+   gettimeofday( &tv, &tz );
+   
+   return (tv.tv_sec & 2047) * 1000000 + tv.tv_usec;
+}
+
+
+#ifdef HW_LOG_ENABLED
+int hwOpenLog(const char *filename, char *prefix)
+{
+  hwCloseLog();
+  hwSetLogLevel(0);
+  hwlog.prefix=prefix;
+  if (!filename)
+    return -1;
+  if ((hwlog.file = fopen(filename,"w")) == NULL)
+      return -1;
+  return 0;
+}
+
+void hwCloseLog()
+{
+  if (hwlog.file) {
+    fclose(hwlog.file);
+    hwlog.file = NULL;
+  }
+}
+
+int hwIsLogReady()
+{
+  return (hwlog.file != NULL);
+}
+
+void hwSetLogLevel(int level)
+{
+  hwlog.level = level;
+}
+
+int hwGetLogLevel()
+{
+  return hwlog.level;
+}
+
+void hwLog(int level, const char *format, ...)
+{
+  va_list ap;
+  va_start(ap,format);
+  hwLogv(level,format,ap);
+  va_end(ap);
+}
+
+void hwLogv(int l, const char *format, va_list ap)
+{
+  if (hwlog.file && (l <= hwlog.level)) {
+    vfprintf(hwlog.file,format,ap);
+    fflush(hwlog.file);
+  }
+}
+
+void hwMsg(int l, const char *format, ...)
+{
+  va_list ap;
+  va_start(ap, format);
+
+  if (l <= hwlog.level) {
+    if (hwIsLogReady()) {
+      int t = usec();
+
+      hwLog(l, "%6i:", t - hwlog.timeTemp);
+      hwlog.timeTemp = t;
+      hwLogv(l, format, ap);
+    } else {
+      fprintf(stderr, hwlog.prefix);
+      vfprintf(stderr, format, ap);
+    }
+  }
+
+  va_end(ap);
+}
+
+#else /* ifdef HW_LOG_ENABLED */
+
+int hwlogdummy()
+{
+  return 0;
+}
+
+#endif
+
+void hwError(const char *format, ...)
+{
+  va_list ap;
+  va_start(ap, format);
+
+  fprintf(stderr, hwlog.prefix);
+  vfprintf(stderr, format, ap);
+  hwLogv(0, format, ap);
+
+  va_end(ap);
+}

src/mesa/drivers/dri/common/hwlog.h

@@ -0,0 +1,101 @@
+/*
+ * GLX Hardware Device Driver common code
+ *
+ * Based on the original MGA G200 driver (c) 1999 Wittawat Yamwong
+ *
+ * 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
+ * WITTAWAT YAMWONG, 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.
+ *
+ *
+ *    Wittawat Yamwong <Wittawat.Yamwong@stud.uni-hannover.de>
+ */
+/* $XFree86: xc/lib/GL/mesa/src/drv/common/hwlog.h,v 1.5 2001/10/31 23:22:57 tsi Exp $ */
+ 
+/* Usage:
+ * - use mgaError for error messages. Always write to X error and log file.
+ * - use mgaMsg for debugging. Can be disabled by undefining MGA_LOG_ENABLED.
+ */
+ 
+#ifndef HWLOG_INC
+#define HWLOG_INC
+
+
+#include <stdarg.h>
+#include <stdio.h>
+
+#define DBG_LEVEL_BASE          1
+#define DBG_LEVEL_VERBOSE       10
+#define DBG_LEVEL_ENTEREXIT     20
+
+typedef struct
+{
+  FILE *file;
+  int   level;
+  unsigned int timeTemp;
+  char *prefix;
+} hwlog_t;
+
+extern hwlog_t hwlog;
+
+
+#ifdef HW_LOG_ENABLED
+
+/* open and close log file. */
+int  hwOpenLog(const char *filename, char *prefix);
+void hwCloseLog(void);
+
+/* return 1 if log file is succesfully opened */
+int  hwIsLogReady(void);
+
+/* set current log level to 'level'. Messages with level less than or equal
+   the current log level will be written to the log file. */
+void hwSetLogLevel(int level);
+int  hwGetLogLevel(void);
+
+/* hwLog and hwLogv write a message to the log file.	*/
+/* do not call these directly, use hwMsg() instead	*/
+void hwLog(int level, const char *format, ...);
+void hwLogv(int level, const char *format, va_list ap);
+
+int usec( void );
+
+/* hwMsg writes a message to the log file or to the standard X error file. */
+void hwMsg(int level, const char *format, ...);
+
+
+#else
+
+
+static __inline__ int hwOpenLog(const char *f, char *prefix) { hwlog.prefix=prefix; return -1; }
+#define hwIsLogReady() (0)
+#define hwGetLogLevel() (-1)
+#define hwLogLevel(n) (0)
+#define hwLog()
+#define hwMsg()
+
+#define hwCloseLog()
+#define hwSetLogLevel(x)
+#define hwLogv(l,f,a)
+
+
+#endif
+
+void hwError(const char *format, ...);
+
+
+#endif

src/mesa/drivers/dri/common/mm.c

@@ -0,0 +1,200 @@
+/*
+ * GLX Hardware Device Driver common code
+ * Copyright (C) 1999 Keith Whitwell
+ *
+ * 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
+ * KEITH WHITWELL, 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.
+ *
+ */
+/* $XFree86: xc/lib/GL/mesa/src/drv/common/mm.c,v 1.3 2001/08/18 02:51:03 dawes Exp $ */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "mm.h"
+#include "hwlog.h"
+
+/* KW: I don't know who the author of this code is, but it wasn't me
+ * despite what the copyright says...
+ */
+
+void mmDumpMemInfo( memHeap_t *heap )
+{
+   TMemBlock *p;
+
+   fprintf(stderr, "Memory heap %p:\n", heap);
+   if (heap == 0) {
+      fprintf(stderr, "  heap == 0\n");
+   } else {
+      p = (TMemBlock *)heap;
+      while (p) {
+	 fprintf(stderr, "  Offset:%08x, Size:%08x, %c%c\n",p->ofs,p->size,
+		 p->free ? '.':'U',
+		 p->reserved ? 'R':'.');
+	 p = p->next;
+      }
+   }
+   fprintf(stderr, "End of memory blocks\n");
+}
+
+memHeap_t *mmInit(int ofs,
+		  int size)
+{
+   PMemBlock blocks;
+  
+   if (size <= 0) {
+      return 0;
+   }
+   blocks = (TMemBlock *) calloc(1,sizeof(TMemBlock));
+   if (blocks) {
+      blocks->ofs = ofs;
+      blocks->size = size;
+      blocks->free = 1;
+      return (memHeap_t *)blocks;
+   } else
+      return 0;
+}
+
+
+static TMemBlock* SliceBlock(TMemBlock *p, 
+			     int startofs, int size, 
+			     int reserved, int alignment)
+{
+   TMemBlock *newblock;
+
+   /* break left */
+   if (startofs > p->ofs) {
+      newblock = (TMemBlock*) calloc(1,sizeof(TMemBlock));
+      if (!newblock)
+	 return NULL;
+      newblock->ofs = startofs;
+      newblock->size = p->size - (startofs - p->ofs);
+      newblock->free = 1;
+      newblock->next = p->next;
+      p->size -= newblock->size;
+      p->next = newblock;
+      p = newblock;
+   }
+
+   /* break right */
+   if (size < p->size) {
+      newblock = (TMemBlock*) calloc(1,sizeof(TMemBlock));
+      if (!newblock)
+	 return NULL;
+      newblock->ofs = startofs + size;
+      newblock->size = p->size - size;
+      newblock->free = 1;
+      newblock->next = p->next;
+      p->size = size;
+      p->next = newblock;
+   }
+
+   /* p = middle block */
+   p->align = alignment;
+   p->free = 0;
+   p->reserved = reserved;
+   return p;
+}
+
+PMemBlock mmAllocMem( memHeap_t *heap, int size, int align2, int startSearch)
+{
+   int mask,startofs,endofs;
+   TMemBlock *p;
+
+   if (!heap || align2 < 0 || size <= 0)
+      return NULL;
+   mask = (1 << align2)-1;
+   startofs = 0;
+   p = (TMemBlock *)heap;
+   while (p) {
+      if ((p)->free) {
+	 startofs = (p->ofs + mask) & ~mask;
+	 if ( startofs < startSearch ) {
+	    startofs = startSearch;
+	 }
+	 endofs = startofs+size;
+	 if (endofs <= (p->ofs+p->size))
+	    break;
+      }
+      p = p->next;
+   }
+   if (!p)
+      return NULL;
+   p = SliceBlock(p,startofs,size,0,mask+1);
+   p->heap = heap;
+   return p;
+}
+
+static __inline__ int Join2Blocks(TMemBlock *p)
+{
+   if (p->free && p->next && p->next->free) {
+      TMemBlock *q = p->next;
+      p->size += q->size;
+      p->next = q->next;
+      free(q);
+      return 1;
+   }
+   return 0;
+}
+
+int mmFreeMem(PMemBlock b)
+{
+   TMemBlock *p,*prev;
+
+   if (!b)
+      return 0;
+   if (!b->heap) {
+      fprintf(stderr, "no heap\n");
+      return -1;
+   }
+   p = b->heap;
+   prev = NULL;
+   while (p && p != b) {
+      prev = p;
+      p = p->next;
+   }
+   if (!p || p->free || p->reserved) {
+      if (!p)
+	 fprintf(stderr, "block not found in heap\n");
+      else if (p->free)
+	 fprintf(stderr, "block already free\n");
+      else
+	 fprintf(stderr, "block is reserved\n");
+      return -1;
+   }
+   p->free = 1;
+   Join2Blocks(p);
+   if (prev)
+      Join2Blocks(prev);
+   return 0;
+}
+
+
+void mmDestroy(memHeap_t *heap)
+{
+   TMemBlock *p,*q;
+
+   if (!heap)
+      return;
+   p = (TMemBlock *)heap;
+   while (p) {
+      q = p->next;
+      free(p);
+      p = q;
+   }
+}

src/mesa/drivers/dri/common/mm.h

@@ -0,0 +1,82 @@
+/*
+ * GLX Hardware Device Driver common code
+ * Copyright (C) 1999 Keith Whitwell
+ *
+ * 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
+ * KEITH WHITWELL, 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.
+ *
+ */
+
+#ifndef MM_INC
+#define MM_INC
+
+struct mem_block_t {
+  struct mem_block_t *next;
+  struct mem_block_t *heap;
+  int ofs,size;
+  int align;
+  int free:1;
+  int reserved:1;
+};
+typedef struct mem_block_t TMemBlock;
+typedef struct mem_block_t *PMemBlock;
+
+/* a heap is just the first block in a chain */
+typedef struct mem_block_t memHeap_t;
+
+static __inline__ int mmBlockSize(PMemBlock b)
+{ return b->size; }
+
+static __inline__ int mmOffset(PMemBlock b)
+{ return b->ofs; }
+
+/* 
+ * input: total size in bytes
+ * return: a heap pointer if OK, NULL if error
+ */
+memHeap_t *mmInit( int ofs, int size );
+
+/*
+ * Allocate 'size' bytes with 2^align2 bytes alignment,
+ * restrict the search to free memory after 'startSearch'
+ * depth and back buffers should be in different 4mb banks
+ * to get better page hits if possible
+ * input:	size = size of block
+ *       	align2 = 2^align2 bytes alignment
+ *		startSearch = linear offset from start of heap to begin search
+ * return: pointer to the allocated block, 0 if error
+ */
+PMemBlock  mmAllocMem( memHeap_t *heap, int size, int align2, 
+		       int startSearch );
+
+/*
+ * Free block starts at offset
+ * input: pointer to a block
+ * return: 0 if OK, -1 if error
+ */
+int  mmFreeMem( PMemBlock b );
+
+/*
+ * destroy MM
+ */
+void mmDestroy( memHeap_t *mmInit );
+
+/* For debuging purpose. */
+void mmDumpMemInfo( memHeap_t *mmInit );
+
+#endif

src/mesa/drivers/dri/common/spantmp.h

@@ -0,0 +1,259 @@
+#ifndef DBG
+#define DBG 0
+#endif
+
+#ifndef HW_WRITE_LOCK
+#define HW_WRITE_LOCK()		HW_LOCK()
+#endif
+
+#ifndef HW_WRITE_UNLOCK
+#define HW_WRITE_UNLOCK()	HW_UNLOCK()
+#endif
+
+#ifndef HW_READ_LOCK
+#define HW_READ_LOCK()		HW_LOCK()
+#endif
+
+#ifndef HW_READ_UNLOCK
+#define HW_READ_UNLOCK()	HW_UNLOCK()
+#endif
+
+#ifndef HW_READ_CLIPLOOP
+#define HW_READ_CLIPLOOP()	HW_CLIPLOOP()
+#endif
+
+#ifndef HW_WRITE_CLIPLOOP
+#define HW_WRITE_CLIPLOOP()	HW_CLIPLOOP()
+#endif
+
+
+static void TAG(WriteRGBASpan)( const GLcontext *ctx,
+				GLuint n, GLint x, GLint y,
+				const GLubyte rgba[][4],
+				const GLubyte mask[] )
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint x1;
+	 GLint n1;
+	 LOCAL_VARS;
+
+	 y = Y_FLIP(y);
+
+	 HW_WRITE_CLIPLOOP()
+	    {
+	       GLint i = 0;
+	       CLIPSPAN(x,y,n,x1,n1,i);
+
+	       if (DBG) fprintf(stderr, "WriteRGBASpan %d..%d (x1 %d)\n",
+				(int)i, (int)n1, (int)x1);
+
+	       if (mask)
+	       {
+		  for (;n1>0;i++,x1++,n1--)
+		     if (mask[i])
+			WRITE_RGBA( x1, y,
+				    rgba[i][0], rgba[i][1],
+				    rgba[i][2], rgba[i][3] );
+	       }
+	       else
+	       {
+		  for (;n1>0;i++,x1++,n1--)
+		     WRITE_RGBA( x1, y,
+				 rgba[i][0], rgba[i][1],
+				 rgba[i][2], rgba[i][3] );
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_WRITE_UNLOCK();
+}
+
+static void TAG(WriteRGBSpan)( const GLcontext *ctx,
+			       GLuint n, GLint x, GLint y,
+			       const GLubyte rgb[][3],
+			       const GLubyte mask[] )
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint x1;
+	 GLint n1;
+	 LOCAL_VARS;
+
+	 y = Y_FLIP(y);
+
+	 HW_WRITE_CLIPLOOP()
+	    {
+	       GLint i = 0;
+	       CLIPSPAN(x,y,n,x1,n1,i);
+
+	       if (DBG) fprintf(stderr, "WriteRGBSpan %d..%d (x1 %d)\n",
+				(int)i, (int)n1, (int)x1);
+
+	       if (mask)
+	       {
+		  for (;n1>0;i++,x1++,n1--)
+		     if (mask[i])
+			WRITE_RGBA( x1, y, rgb[i][0], rgb[i][1], rgb[i][2], 255 );
+	       }
+	       else
+	       {
+		  for (;n1>0;i++,x1++,n1--)
+		     WRITE_RGBA( x1, y, rgb[i][0], rgb[i][1], rgb[i][2], 255 );
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_WRITE_UNLOCK();
+}
+
+static void TAG(WriteRGBAPixels)( const GLcontext *ctx,
+			       GLuint n,
+			       const GLint x[],
+			       const GLint y[],
+			       const GLubyte rgba[][4],
+			       const GLubyte mask[] )
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint i;
+	 LOCAL_VARS;
+
+	 if (DBG) fprintf(stderr, "WriteRGBAPixels\n");
+
+	 HW_WRITE_CLIPLOOP()
+	    {
+	       for (i=0;i<n;i++)
+	       {
+		  if (mask[i]) {
+		     const int fy = Y_FLIP(y[i]);
+		     if (CLIPPIXEL(x[i],fy))
+			WRITE_RGBA( x[i], fy,
+				    rgba[i][0], rgba[i][1],
+				    rgba[i][2], rgba[i][3] );
+		  }
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_WRITE_UNLOCK();
+}
+
+
+static void TAG(WriteMonoRGBASpan)( const GLcontext *ctx,	
+				    GLuint n, GLint x, GLint y, 
+				    const GLchan color[4],
+				    const GLubyte mask[] )
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint x1;
+	 GLint n1;
+	 LOCAL_VARS;
+	 INIT_MONO_PIXEL(p, color);
+
+	 y = Y_FLIP( y );
+
+	 if (DBG) fprintf(stderr, "WriteMonoRGBASpan\n");
+
+	 HW_WRITE_CLIPLOOP()
+	    {
+	       GLint i = 0;
+	       CLIPSPAN(x,y,n,x1,n1,i);
+	       for (;n1>0;i++,x1++,n1--)
+		  if (mask[i])
+		     WRITE_PIXEL( x1, y, p );
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_WRITE_UNLOCK();
+}
+
+
+static void TAG(WriteMonoRGBAPixels)( const GLcontext *ctx,
+				      GLuint n,
+				      const GLint x[], const GLint y[],
+				      const GLchan color[],
+				      const GLubyte mask[] ) 
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint i;
+	 LOCAL_VARS;
+	 INIT_MONO_PIXEL(p, color);
+
+	 if (DBG) fprintf(stderr, "WriteMonoRGBAPixels\n");
+
+	 HW_WRITE_CLIPLOOP()
+	    {
+	       for (i=0;i<n;i++)
+		  if (mask[i]) {
+		     int fy = Y_FLIP(y[i]);
+		     if (CLIPPIXEL( x[i], fy ))
+			WRITE_PIXEL( x[i], fy, p );
+		  }
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_WRITE_UNLOCK();
+}
+
+
+static void TAG(ReadRGBASpan)( const GLcontext *ctx,
+			       GLuint n, GLint x, GLint y,
+			       GLubyte rgba[][4])
+{
+   HW_READ_LOCK()
+      {
+	 GLint x1,n1;
+	 LOCAL_VARS;
+
+	 y = Y_FLIP(y);
+
+	 if (DBG) fprintf(stderr, "ReadRGBASpan\n");
+
+	 HW_READ_CLIPLOOP()
+	    {
+	       GLint i = 0;
+	       CLIPSPAN(x,y,n,x1,n1,i);
+	       for (;n1>0;i++,x1++,n1--)
+		  READ_RGBA( rgba[i], x1, y );
+	    }
+         HW_ENDCLIPLOOP();
+      }
+   HW_READ_UNLOCK();
+}
+
+
+static void TAG(ReadRGBAPixels)( const GLcontext *ctx,
+				 GLuint n, const GLint x[], const GLint y[],
+				 GLubyte rgba[][4], const GLubyte mask[] )
+{
+   HW_READ_LOCK()
+      {
+	 GLint i;
+	 LOCAL_VARS;
+
+	 if (DBG) fprintf(stderr, "ReadRGBAPixels\n");
+
+	 HW_READ_CLIPLOOP()
+	    {
+	       for (i=0;i<n;i++)
+		  if (mask[i]) {
+		     int fy = Y_FLIP( y[i] );
+		     if (CLIPPIXEL( x[i], fy ))
+			READ_RGBA( rgba[i], x[i], fy );
+		  }
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_READ_UNLOCK();
+}
+
+
+
+
+#undef WRITE_PIXEL
+#undef WRITE_RGBA
+#undef READ_RGBA
+#undef TAG

src/mesa/drivers/dri/common/stenciltmp.h

@@ -0,0 +1,147 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/common/stenciltmp.h,v 1.3 2001/03/21 16:14:20 dawes Exp $ */
+
+#ifndef DBG
+#define DBG 0
+#endif
+
+#ifndef HW_WRITE_LOCK
+#define HW_WRITE_LOCK()		HW_LOCK()
+#endif
+#ifndef HW_WRITE_UNLOCK
+#define HW_WRITE_UNLOCK()	HW_UNLOCK()
+#endif
+
+#ifndef HW_READ_LOCK
+#define HW_READ_LOCK()		HW_LOCK()
+#endif
+#ifndef HW_READ_UNLOCK
+#define HW_READ_UNLOCK()	HW_UNLOCK()
+#endif
+
+static void TAG(WriteStencilSpan)( GLcontext *ctx,
+				   GLuint n, GLint x, GLint y,
+				   const GLstencil *stencil, 
+				   const GLubyte mask[] )
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint x1;
+	 GLint n1;
+	 LOCAL_STENCIL_VARS;
+
+	 y = Y_FLIP(y);
+
+	 HW_CLIPLOOP() 
+	    {
+	       GLint i = 0;
+	       CLIPSPAN(x,y,n,x1,n1,i);
+
+	       if (DBG) fprintf(stderr, "WriteStencilSpan %d..%d (x1 %d)\n",
+				(int)i, (int)n1, (int)x1);
+
+	       if (mask)
+	       {
+		  for (;i<n1;i++,x1++)
+		     if (mask[i])
+			WRITE_STENCIL( x1, y, stencil[i] );
+	       }
+	       else
+	       {
+		  for (;i<n1;i++,x1++)
+		     WRITE_STENCIL( x1, y, stencil[i] );
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_WRITE_UNLOCK();
+}
+
+
+static void TAG(WriteStencilPixels)( GLcontext *ctx,
+				     GLuint n, 
+				     const GLint x[], 
+				     const GLint y[],
+				     const GLstencil stencil[], 
+				     const GLubyte mask[] )
+{
+   HW_WRITE_LOCK()
+      {
+	 GLint i;
+	 LOCAL_STENCIL_VARS;
+
+	 if (DBG) fprintf(stderr, "WriteStencilPixels\n");
+
+	 HW_CLIPLOOP()
+	    {
+	       for (i=0;i<n;i++)
+	       {
+		  if (mask[i]) {
+		     const int fy = Y_FLIP(y[i]);
+		     if (CLIPPIXEL(x[i],fy))
+			WRITE_STENCIL( x[i], fy, stencil[i] );
+		  }
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_WRITE_UNLOCK();
+}
+
+
+/* Read stencil spans and pixels
+ */
+static void TAG(ReadStencilSpan)( GLcontext *ctx,
+				  GLuint n, GLint x, GLint y,
+				  GLstencil stencil[])
+{
+   HW_READ_LOCK()
+      {
+	 GLint x1,n1;
+	 LOCAL_STENCIL_VARS;
+
+	 y = Y_FLIP(y);
+
+	 if (DBG) fprintf(stderr, "ReadStencilSpan\n");
+
+	 HW_CLIPLOOP() 
+	    {
+	       GLint i = 0;
+	       CLIPSPAN(x,y,n,x1,n1,i);
+	       for (;i<n1;i++)
+		  READ_STENCIL( stencil[i], (x1+i), y );
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_READ_UNLOCK();
+}
+
+static void TAG(ReadStencilPixels)( GLcontext *ctx, GLuint n, 
+				    const GLint x[], const GLint y[],
+				    GLstencil stencil[] )
+{
+   HW_READ_LOCK()
+      {
+	 GLint i;
+	 LOCAL_STENCIL_VARS;
+
+	 if (DBG) fprintf(stderr, "ReadStencilPixels\n");
+ 
+	 HW_CLIPLOOP()
+	    {
+	       for (i=0;i<n;i++) {
+		  int fy = Y_FLIP( y[i] );
+		  if (CLIPPIXEL( x[i], fy ))
+		     READ_STENCIL( stencil[i], x[i], fy );
+	       }
+	    }
+	 HW_ENDCLIPLOOP();
+      }
+   HW_READ_UNLOCK();
+}
+
+
+
+
+#undef WRITE_STENCIL
+#undef READ_STENCIL
+#undef TAG