libXext mesa git update 29 June 20013

libXext          commit 7378d4bdbd33ed49ed6cfa5c4f73d7527982aab4
mesa             commit 9aebad618c0aab527a0b838ce0a79ffa6dd426bb

50 files changed, 592 insertions, 531 deletions

diff --git a/libXext/include/X11/extensions/extutil.h b/libXext/include/X11/extensions/extutil.h
index 29404d5ae..b22843068 100644
--- a/libXext/include/X11/extensions/extutil.h
+++ b/libXext/include/X11/extensions/extutil.h
@@ -178,7 +178,7 @@ char *proc (Display *dpy, int code, XExtCodes *codes, char *buf, int n) \
     code -= codes->first_error;  \
     if (code >= 0 && code < nerr) { \
 	char tmp[256]; \
-	sprintf (tmp, "%s.%d", extname, code); \
+	snprintf (tmp, sizeof(tmp), "%s.%d", extname, code);            \
 	XGetErrorDatabaseText (dpy, "XProtoError", tmp, errl[code], buf, n); \
 	return buf; \
     } \
diff --git a/libXext/include/X11/extensions/multibuf.h b/libXext/include/X11/extensions/multibuf.h
index 12fda357d..27165f08a 100644
--- a/libXext/include/X11/extensions/multibuf.h
+++ b/libXext/include/X11/extensions/multibuf.h
@@ -30,15 +30,9 @@ in this Software without prior written authorization from The Open Group.
 
 #include <X11/extensions/multibufconst.h>
 
-#if !defined(UNIXCPP) || defined(ANSICPP)
 #define MbufGetReq(name,req,info) GetReq (name, req); \
 	req->reqType = info->codes->major_opcode; \
 	req->mbufReqType = X_##name;
-#else
-#define MbufGetReq(name,req,info) GetReq (name, req); \
-	req->reqType = info->codes->major_opcode; \
-	req->mbufReqType = X_/**/name;
-#endif
 
 /*
  * Extra definitions that will only be needed in the client
diff --git a/libXext/src/XSync.c b/libXext/src/XSync.c
index ce4ab44d9..6e2af79a5 100644
--- a/libXext/src/XSync.c
+++ b/libXext/src/XSync.c
@@ -189,7 +189,7 @@ char *error_string(Display *dpy, int code, XExtCodes *codes, char *buf, int n)
     code -= codes->first_error;
     if (code >= 0 && code < nerr) {
 	char tmp[256];
-	sprintf (tmp, "%s.%d", sync_extension_name, code);
+	snprintf (tmp, sizeof(tmp), "%s.%d", sync_extension_name, code);
 	XGetErrorDatabaseText (dpy, "XProtoError", tmp, sync_error_list[code], buf, n);
 	return buf;
     }
diff --git a/libXext/src/Xdbe.c b/libXext/src/Xdbe.c
index 016886c58..7dd6c5ad2 100644
--- a/libXext/src/Xdbe.c
+++ b/libXext/src/Xdbe.c
@@ -51,15 +51,9 @@ static const char *dbe_extension_name = DBE_PROTOCOL_NAME;
 #define DbeSimpleCheckExtension(dpy,i) \
   XextSimpleCheckExtension (dpy, i, dbe_extension_name)
 
-#if !defined(UNIXCPP)
 #define DbeGetReq(name,req,info) GetReq (name, req); \
         req->reqType = info->codes->major_opcode; \
         req->dbeReqType = X_##name;
-#else
-#define DbeGetReq(name,req,info) GetReq (name, req); \
-        req->reqType = info->codes->major_opcode; \
-        req->dbeReqType = X_/**/name;
-#endif
 
 
 /*****************************************************************************
diff --git a/libXext/src/globals.c b/libXext/src/globals.c
index 8b5923de6..d5e7ad0c4 100644
--- a/libXext/src/globals.c
+++ b/libXext/src/globals.c
@@ -51,15 +51,9 @@ from The Open Group.
 /*
  * If we need to define extra variables for each global
  */
-#if !defined(UNIXCPP) || defined(ANSICPP)
 #define ZEROINIT(t,var,val) SetZero(t,var,val); \
   SetZero (long, _libX_##var##Flag, 0); \
   SetZero (void *, _libX_##var##Ptr, NULL)
-#else /* else pcc concatenation */
-#define ZEROINIT(t,var,val) SetZero(t,var,val); \
-  SetZero (long, _libX_/**/var/**/Flag, 0); \
-  SetZero (void *, _libX_/**/var/**/Ptr, NULL)
-#endif /* concat ANSI C vs. pcc */
 
 #else /* else not ATTSHAREDLIB */
 /*
diff --git a/mesalib/src/gallium/auxiliary/hud/hud_cpu.c b/mesalib/src/gallium/auxiliary/hud/hud_cpu.c
index ce98115d5..cd20deec9 100644
--- a/mesalib/src/gallium/auxiliary/hud/hud_cpu.c
+++ b/mesalib/src/gallium/auxiliary/hud/hud_cpu.c
@@ -116,6 +116,12 @@ query_cpu_load(struct hud_graph *gr)
    }
 }
 
+static void
+free_query_data(void *p)
+{
+   FREE(p);
+}
+
 void
 hud_cpu_graph_install(struct hud_pane *pane, unsigned cpu_index)
 {
@@ -144,7 +150,11 @@ hud_cpu_graph_install(struct hud_pane *pane, unsigned cpu_index)
    }
 
    gr->query_new_value = query_cpu_load;
-   gr->free_query_data = free;
+
+   /* Don't use free() as our callback as that messes up Gallium's
+    * memory debugger.  Use simple free_query_data() wrapper.
+    */
+   gr->free_query_data = free_query_data;
 
    info = gr->query_data;
    info->cpu_index = cpu_index;
diff --git a/mesalib/src/gallium/auxiliary/hud/hud_fps.c b/mesalib/src/gallium/auxiliary/hud/hud_fps.c
index 80381f547..6e9be712b 100644
--- a/mesalib/src/gallium/auxiliary/hud/hud_fps.c
+++ b/mesalib/src/gallium/auxiliary/hud/hud_fps.c
@@ -60,6 +60,12 @@ query_fps(struct hud_graph *gr)
    }
 }
 
+static void
+free_query_data(void *p)
+{
+   FREE(p);
+}
+
 void
 hud_fps_graph_install(struct hud_pane *pane)
 {
@@ -76,7 +82,11 @@ hud_fps_graph_install(struct hud_pane *pane)
    }
 
    gr->query_new_value = query_fps;
-   gr->free_query_data = free;
+
+   /* Don't use free() as our callback as that messes up Gallium's
+    * memory debugger.  Use simple free_query_data() wrapper.
+    */
+   gr->free_query_data = free_query_data;
 
    hud_pane_add_graph(pane, gr);
 }
diff --git a/mesalib/src/gallium/auxiliary/hud/hud_private.h b/mesalib/src/gallium/auxiliary/hud/hud_private.h
index 2b7d56bb1..1606ada4a 100644
--- a/mesalib/src/gallium/auxiliary/hud/hud_private.h
+++ b/mesalib/src/gallium/auxiliary/hud/hud_private.h
@@ -42,7 +42,7 @@ struct hud_graph {
    char name[128];
    void *query_data;
    void (*query_new_value)(struct hud_graph *gr);
-   void (*free_query_data)(void *ptr);
+   void (*free_query_data)(void *ptr); /**< do not use ordinary free() */
 
    /* mutable variables */
    unsigned num_vertices;
diff --git a/mesalib/src/gallium/auxiliary/util/u_debug_stack.c b/mesalib/src/gallium/auxiliary/util/u_debug_stack.c
index 50a248a97..68961d351 100644
--- a/mesalib/src/gallium/auxiliary/util/u_debug_stack.c
+++ b/mesalib/src/gallium/auxiliary/util/u_debug_stack.c
@@ -36,7 +36,17 @@
 #include "u_debug_symbol.h"
 #include "u_debug_stack.h"
 
+#if defined(PIPE_OS_WINDOWS)
+#include <windows.h>
+#endif
+
 
+/**
+ * Capture stack backtrace.
+ *
+ * NOTE: The implementation of this function is quite big, but it is important not to
+ * break it down in smaller functions to avoid adding new frames to the calling stack.
+ */
 void
 debug_backtrace_capture(struct debug_stack_frame *backtrace,
                         unsigned start_frame, 
@@ -45,8 +55,50 @@ debug_backtrace_capture(struct debug_stack_frame *backtrace,
    const void **frame_pointer = NULL;
    unsigned i = 0;
 
-   if(!nr_frames)
+   if (!nr_frames) {
       return;
+   }
+
+   /*
+    * On Windows try obtaining the stack backtrace via CaptureStackBackTrace.
+    *
+    * It works reliably both for x86 for x86_64.
+    */
+#if defined(PIPE_OS_WINDOWS)
+   {
+      typedef USHORT (WINAPI *PFNCAPTURESTACKBACKTRACE)(ULONG, ULONG, PVOID *, PULONG);
+      static PFNCAPTURESTACKBACKTRACE pfnCaptureStackBackTrace = NULL;
+
+      if (!pfnCaptureStackBackTrace) {
+         static HMODULE hModule = NULL;
+         if (!hModule) {
+            hModule = LoadLibraryA("kernel32");
+            assert(hModule);
+         }
+         if (hModule) {
+            pfnCaptureStackBackTrace = (PFNCAPTURESTACKBACKTRACE)GetProcAddress(hModule,
+                                                                                "RtlCaptureStackBackTrace");
+         }
+      }
+      if (pfnCaptureStackBackTrace) {
+         /*
+          * Skip this (debug_backtrace_capture) function's frame.
+          */
+
+         start_frame += 1;
+
+         assert(start_frame + nr_frames < 63);
+         i = pfnCaptureStackBackTrace(start_frame, nr_frames, (PVOID *) &backtrace->function, NULL);
+
+         /* Pad remaing requested frames with NULL */
+         while (i < nr_frames) {
+            backtrace[i++].function = NULL;
+         }
+
+         return;
+      }
+   }
+#endif
 
 #if defined(PIPE_CC_GCC)
    frame_pointer = ((const void **)__builtin_frame_address(1));
@@ -86,7 +138,7 @@ debug_backtrace_capture(struct debug_stack_frame *backtrace,
 #else
    (void) frame_pointer;
 #endif
-   
+
    while(nr_frames) {
       backtrace[i++].function = NULL;
       --nr_frames;
diff --git a/mesalib/src/gallium/auxiliary/util/u_debug_stack.h b/mesalib/src/gallium/auxiliary/util/u_debug_stack.h
index f50f04e0f..b1848ddef 100644
--- a/mesalib/src/gallium/auxiliary/util/u_debug_stack.h
+++ b/mesalib/src/gallium/auxiliary/util/u_debug_stack.h
@@ -42,6 +42,13 @@ extern "C" {
 #endif
 
 
+/**
+ * Represent a frame from a stack backtrace.
+ *
+ * XXX: Do not change this.
+ *
+ * TODO: This should be refactored as a void * typedef.
+ */
 struct debug_stack_frame 
 {
    const void *function;
diff --git a/mesalib/src/gallium/auxiliary/util/u_debug_symbol.c b/mesalib/src/gallium/auxiliary/util/u_debug_symbol.c
index 0ef111c3b..bba9122e7 100644
--- a/mesalib/src/gallium/auxiliary/util/u_debug_symbol.c
+++ b/mesalib/src/gallium/auxiliary/util/u_debug_symbol.c
@@ -40,7 +40,8 @@
 #include "u_debug_symbol.h"
 #include "u_hash_table.h"
 
-#if defined(PIPE_OS_WINDOWS) && defined(PIPE_ARCH_X86)
+
+#if defined(PIPE_OS_WINDOWS)
    
 #include <windows.h>
 #include <stddef.h>
@@ -48,139 +49,221 @@
 #include "dbghelp.h"
 
 
-static BOOL bSymInitialized = FALSE;
-
-static HMODULE hModule_Dbghelp = NULL;
+/**
+ * SymInitialize() must be called once for each process (in this case, the
+ * current process), before any of the other functions can be called.
+ */
+static BOOL g_bSymInitialized = FALSE;
 
 
-static
-FARPROC WINAPI __GetProcAddress(LPCSTR lpProcName)
+/**
+ * Lookup the address of a DbgHelp function.
+ */
+static FARPROC WINAPI
+getDbgHelpProcAddress(LPCSTR lpProcName)
 {
+   static HMODULE hModule = NULL;
+
+   if (!hModule) {
+      static boolean bail = FALSE;
+
+      if (bail) {
+         return NULL;
+      }
+
 #ifdef PIPE_CC_GCC
-   if (!hModule_Dbghelp) {
       /*
-       * bfdhelp.dll is a dbghelp.dll look-alike replacement, which is able to
-       * understand MinGW symbols using BFD library.  It is available from
+       * DbgHelp does not understand the debug information generated by MinGW toolchain.
+       *
+       * mgwhelp.dll is a dbghelp.dll look-alike replacement, which is able to
+       * understand MinGW symbols, including on 64-bit builds.
+       */
+      if (!hModule) {
+         hModule = LoadLibraryA("mgwhelp.dll");
+         if (!hModule) {
+            _debug_printf("warning: mgwhelp.dll not found: symbol names will not be resolved\n"
+                          "warning: download it from http://code.google.com/p/jrfonseca/wiki/DrMingw#MgwHelp\n");
+         }
+      }
+
+      /*
+       * bfdhelp.dll was the predecessor of mgwhelp.dll.  It is available from
        * http://people.freedesktop.org/~jrfonseca/bfdhelp/ for now.
        */
-      hModule_Dbghelp = LoadLibraryA("bfdhelp.dll");
-   }
-#endif
+      if (!hModule) {
+         hModule = LoadLibraryA("bfdhelp.dll");
+      }
+   #endif
 
-   if (!hModule_Dbghelp) {
-      hModule_Dbghelp = LoadLibraryA("dbghelp.dll");
-      if (!hModule_Dbghelp) {
+      /*
+       * Fallback to the real DbgHelp.
+       */
+      if (!hModule) {
+         hModule = LoadLibraryA("dbghelp.dll");
+      }
+
+      if (!hModule) {
+         bail = TRUE;
          return NULL;
       }
    }
 
-   return GetProcAddress(hModule_Dbghelp, lpProcName);
+   return GetProcAddress(hModule, lpProcName);
 }
 
 
-typedef BOOL (WINAPI *PFNSYMINITIALIZE)(HANDLE, LPSTR, BOOL);
-static PFNSYMINITIALIZE pfnSymInitialize = NULL;
+/**
+ * Generic macro to dispatch a DbgHelp functions.
+ */
+#define DBGHELP_DISPATCH(_name, _ret_type, _ret_default, _arg_types, _arg_names) \
+   static _ret_type WINAPI \
+   j_##_name _arg_types \
+   { \
+      typedef BOOL (WINAPI *PFN) _arg_types; \
+      static PFN pfn = NULL; \
+      if (!pfn) { \
+         pfn = (PFN) getDbgHelpProcAddress(#_name); \
+         if (!pfn) { \
+            return _ret_default; \
+         } \
+      } \
+      return pfn _arg_names; \
+   }
 
-static
-BOOL WINAPI j_SymInitialize(HANDLE hProcess, PSTR UserSearchPath, BOOL fInvadeProcess)
-{
-   if(
-      (pfnSymInitialize || (pfnSymInitialize = (PFNSYMINITIALIZE) __GetProcAddress("SymInitialize")))
-   )
-      return pfnSymInitialize(hProcess, UserSearchPath, fInvadeProcess);
-   else
-      return FALSE;
-}
+DBGHELP_DISPATCH(SymInitialize,
+                 BOOL, 0,
+                 (HANDLE hProcess, PSTR UserSearchPath, BOOL fInvadeProcess),
+                 (hProcess, UserSearchPath, fInvadeProcess))
 
-typedef DWORD (WINAPI *PFNSYMSETOPTIONS)(DWORD);
-static PFNSYMSETOPTIONS pfnSymSetOptions = NULL;
+DBGHELP_DISPATCH(SymSetOptions,
+                 DWORD, FALSE,
+                 (DWORD SymOptions),
+                 (SymOptions))
 
-static
-DWORD WINAPI j_SymSetOptions(DWORD SymOptions)
-{
-   if(
-      (pfnSymSetOptions || (pfnSymSetOptions = (PFNSYMSETOPTIONS) __GetProcAddress("SymSetOptions")))
-   )
-      return pfnSymSetOptions(SymOptions);
-   else
-      return FALSE;
-}
+DBGHELP_DISPATCH(SymFromAddr,
+                 BOOL, FALSE,
+                 (HANDLE hProcess, DWORD64 Address, PDWORD64 Displacement, PSYMBOL_INFO Symbol),
+                 (hProcess, Address, Displacement, Symbol))
 
-typedef BOOL (WINAPI *PFNSYMGETSYMFROMADDR)(HANDLE, DWORD64, PDWORD64, PSYMBOL_INFO);
-static PFNSYMGETSYMFROMADDR pfnSymFromAddr = NULL;
+DBGHELP_DISPATCH(SymGetLineFromAddr64,
+                 BOOL, FALSE,
+                 (HANDLE hProcess, DWORD64 dwAddr, PDWORD pdwDisplacement, PIMAGEHLP_LINE64 Line),
+                 (hProcess, dwAddr, pdwDisplacement, Line))
 
-static
-BOOL WINAPI j_SymFromAddr(HANDLE hProcess, DWORD64 Address, PDWORD64 Displacement, PSYMBOL_INFO Symbol)
-{
-   if(
-      (pfnSymFromAddr || (pfnSymFromAddr = (PFNSYMGETSYMFROMADDR) __GetProcAddress("SymFromAddr")))
-   )
-      return pfnSymFromAddr(hProcess, Address, Displacement, Symbol);
-   else
-      return FALSE;
-}
+
+#undef DBGHELP_DISPATCH
 
 
-static INLINE void
+static INLINE boolean
 debug_symbol_name_dbghelp(const void *addr, char* buf, unsigned size)
 {
-   HANDLE hProcess;
-   BYTE symbolBuffer[1024];
-   PSYMBOL_INFO pSymbol = (PSYMBOL_INFO) symbolBuffer;
-   DWORD64 dwDisplacement = 0;  /* Displacement of the input address, relative to the start of the symbol */
+   DWORD64 dwAddr = (DWORD64)(uintptr_t)addr;
+   HANDLE hProcess = GetCurrentProcess();
 
-   hProcess = GetCurrentProcess();
+   /* General purpose buffer, to back pSymbol and other temporary stuff.
+    * Must not be too memory hungry here to avoid stack overflows.
+    */
+   CHAR buffer[512];
+
+   PSYMBOL_INFO pSymbol = (PSYMBOL_INFO) buffer;
+   DWORD64 dwDisplacement = 0;  /* Displacement of the input address, relative to the start of the symbol */
+   DWORD dwLineDisplacement = 0;
+   IMAGEHLP_LINE64 Line;
 
    memset(pSymbol, 0, sizeof *pSymbol);
-   pSymbol->SizeOfStruct = sizeof(symbolBuffer);
-   pSymbol->MaxNameLen = sizeof(symbolBuffer) - offsetof(SYMBOL_INFO, Name);
+   pSymbol->SizeOfStruct = sizeof buffer;
+   pSymbol->MaxNameLen = sizeof buffer - offsetof(SYMBOL_INFO, Name);
 
-   if(!bSymInitialized) {
+   if (!g_bSymInitialized) {
       j_SymSetOptions(/* SYMOPT_UNDNAME | */ SYMOPT_LOAD_LINES);
-      if(j_SymInitialize(hProcess, NULL, TRUE))
-         bSymInitialized = TRUE;
+      if (j_SymInitialize(hProcess, NULL, TRUE)) {
+         g_bSymInitialized = TRUE;
+      }
    }
 
-   if(!j_SymFromAddr(hProcess, (DWORD64)(uintptr_t)addr, &dwDisplacement, pSymbol))
-      buf[0] = 0;
-   else
-   {
-      strncpy(buf, pSymbol->Name, size);
-      buf[size - 1] = 0;
+   /* Lookup symbol name */
+   if (!g_bSymInitialized ||
+       !j_SymFromAddr(hProcess, dwAddr, &dwDisplacement, pSymbol)) {
+      /*
+       * We couldn't obtain symbol information.  At least tell which module the address belongs.
+       */
+
+      HMODULE hModule = NULL;
+
+      if (!GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS,
+                             (LPCTSTR)addr,
+                             &hModule)) {
+         return FALSE;
+      }
+
+      if (GetModuleFileNameA(hModule, buffer, sizeof buffer) == sizeof buffer) {
+         return FALSE;
+      }
+      util_snprintf(buf, size, "%p at %s+0x%lx",
+                    addr, buffer,
+                    (unsigned long)((uintptr_t)addr - (uintptr_t)hModule));
+
+      return TRUE;
    }
+
+   /*
+    * Try to get filename and line number.
+    */
+   memset(&Line, 0, sizeof Line);
+   Line.SizeOfStruct = sizeof Line;
+   if (!j_SymGetLineFromAddr64(hProcess, dwAddr, &dwLineDisplacement, &Line)) {
+      Line.FileName = NULL;
+   }
+
+   if (Line.FileName) {
+      util_snprintf(buf, size, "%s at %s:%lu", pSymbol->Name, Line.FileName, Line.LineNumber);
+   } else {
+      util_snprintf(buf, size, "%s", pSymbol->Name);
+   }
+
+   return TRUE;
 }
-#endif
+
+#endif /* PIPE_OS_WINDOWS */
+
 
 #if defined(__GLIBC__) && !defined(__UCLIBC__)
+
 #include <execinfo.h>
 
 /* This can only provide dynamic symbols, or binary offsets into a file.
  *
  * To fix this, post-process the output with tools/addr2line.sh
  */
-static INLINE void
+static INLINE boolean
 debug_symbol_name_glibc(const void *addr, char* buf, unsigned size)
 {
    char** syms = backtrace_symbols((void**)&addr, 1);
+   if (!syms) {
+      return FALSE;
+   }
    strncpy(buf, syms[0], size);
    buf[size - 1] = 0;
    free(syms);
+   return TRUE;
 }
-#endif
+
+#endif /* defined(__GLIBC__) && !defined(__UCLIBC__) */
+
 
 void
 debug_symbol_name(const void *addr, char* buf, unsigned size)
 {
-#if defined(PIPE_OS_WINDOWS) && defined(PIPE_ARCH_X86)
-   debug_symbol_name_dbghelp(addr, buf, size);
-   if(buf[0])
+#if defined(PIPE_OS_WINDOWS)
+   if (debug_symbol_name_dbghelp(addr, buf, size)) {
       return;
+   }
 #endif
 
 #if defined(__GLIBC__) && !defined(__UCLIBC__)
-   debug_symbol_name_glibc(addr, buf, size);
-   if(buf[0])
-      return;
+   if (debug_symbol_name_glibc(addr, buf, size)) {
+       return;
+   }
 #endif
 
    util_snprintf(buf, size, "%p", addr);
diff --git a/mesalib/src/gallium/auxiliary/util/u_format.h b/mesalib/src/gallium/auxiliary/util/u_format.h
index 4cace6ad1..9774a2b4c 100644
--- a/mesalib/src/gallium/auxiliary/util/u_format.h
+++ b/mesalib/src/gallium/auxiliary/util/u_format.h
@@ -133,6 +133,7 @@ struct util_format_channel_description
    unsigned normalized:1;
    unsigned pure_integer:1;
    unsigned size:9;        /**< bits per channel */
+   unsigned shift:16;      /** number of bits from lsb */
 };
 
 
@@ -179,9 +180,31 @@ struct util_format_description
    unsigned is_mixed:1;
 
    /**
-    * Input channel description.
+    * Input channel description, in the order XYZW.
     *
     * Only valid for UTIL_FORMAT_LAYOUT_PLAIN formats.
+    *
+    * If each channel is accessed as an individual N-byte value, X is always
+    * at the lowest address in memory, Y is always next, and so on.  For all
+    * currently-defined formats, the N-byte value has native endianness.
+    *
+    * If instead a group of channels is accessed as a single N-byte value,
+    * the order of the channels within that value depends on endianness.
+    * For big-endian targets, X is the most significant subvalue,
+    * otherwise it is the least significant one.
+    *
+    * For example, if X is 8 bits and Y is 24 bits, the memory order is:
+    *
+    *                 0  1  2  3
+    *  little-endian: X  Yl Ym Yu    (l = lower, m = middle, u = upper)
+    *  big-endian:    X  Yu Ym Yl
+    *
+    * If X is 5 bits, Y is 5 bits, Z is 5 bits and W is 1 bit, the layout is:
+    *
+    *                        0        1
+    *                 msb  lsb msb  lsb
+    *  little-endian: YYYXXXXX WZZZZZYY
+    *  big-endian:    XXXXXYYY YYZZZZZW
     */
    struct util_format_channel_description channel[4];
 
diff --git a/mesalib/src/gallium/auxiliary/util/u_format_pack.py b/mesalib/src/gallium/auxiliary/util/u_format_pack.py
index 565d059c3..d1f68c804 100644
--- a/mesalib/src/gallium/auxiliary/util/u_format_pack.py
+++ b/mesalib/src/gallium/auxiliary/util/u_format_pack.py
@@ -99,15 +99,6 @@ def generate_format_type(format):
     print
 
 
-def bswap_format(format):
-    '''Generate a structure that describes the format.'''
-
-    if format.is_bitmask() and not format.is_array() and format.block_size() > 8:
-        print '#ifdef PIPE_ARCH_BIG_ENDIAN'
-        print '   pixel.value = util_bswap%u(pixel.value);' % format.block_size()
-        print '#endif'
-
-
 def is_format_supported(format):
     '''Determines whether we actually have the plumbing necessary to generate the 
     to read/write to/from this format.'''
@@ -423,16 +414,11 @@ def generate_unpack_kernel(format, dst_channel, dst_native_type):
             elif src_channel.type == SIGNED:
                 print '         int%u_t %s;' % (depth, src_channel.name)
 
-        if depth > 8:
-            print '#ifdef PIPE_ARCH_BIG_ENDIAN'
-            print '         value = util_bswap%u(value);' % depth
-            print '#endif'
-
         # Compute the intermediate unshifted values 
-        shift = 0
         for i in range(format.nr_channels()):
             src_channel = format.channels[i]
             value = 'value'
+            shift = src_channel.shift
             if src_channel.type == UNSIGNED:
                 if shift:
                     value = '%s >> %u' % (value, shift)
@@ -455,8 +441,6 @@ def generate_unpack_kernel(format, dst_channel, dst_native_type):
             if value is not None:
                 print '         %s = %s;' % (src_channel.name, value)
                 
-            shift += src_channel.size
-
         # Convert, swizzle, and store final values
         for i in range(4):
             swizzle = format.swizzles[i]
@@ -484,7 +468,6 @@ def generate_unpack_kernel(format, dst_channel, dst_native_type):
     else:
         print '         union util_format_%s pixel;' % format.short_name()
         print '         memcpy(&pixel, src, sizeof pixel);'
-        bswap_format(format)
     
         for i in range(4):
             swizzle = format.swizzles[i]
@@ -525,9 +508,9 @@ def generate_pack_kernel(format, src_channel, src_native_type):
         depth = format.block_size()
         print '         uint%u_t value = 0;' % depth 
 
-        shift = 0
         for i in range(4):
             dst_channel = format.channels[i]
+            shift = dst_channel.shift
             if inv_swizzle[i] is not None:
                 value ='src[%u]' % inv_swizzle[i]
                 dst_colorspace = format.colorspace
@@ -551,13 +534,6 @@ def generate_pack_kernel(format, src_channel, src_native_type):
                 if value is not None:
                     print '         value |= %s;' % (value)
                 
-            shift += dst_channel.size
-
-        if depth > 8:
-            print '#ifdef PIPE_ARCH_BIG_ENDIAN'
-            print '         value = util_bswap%u(value);' % depth
-            print '#endif'
-        
         print '         *(uint%u_t *)dst = value;' % depth 
 
     else:
@@ -579,7 +555,6 @@ def generate_pack_kernel(format, src_channel, src_native_type):
                                     dst_colorspace = dst_colorspace)
             print '         pixel.chan.%s = %s;' % (dst_channel.name, value)
     
-        bswap_format(format)
         print '         memcpy(dst, &pixel, sizeof pixel);'
     
 
diff --git a/mesalib/src/gallium/auxiliary/util/u_format_parse.py b/mesalib/src/gallium/auxiliary/util/u_format_parse.py
index 07052b996..e202099b9 100644
--- a/mesalib/src/gallium/auxiliary/util/u_format_parse.py
+++ b/mesalib/src/gallium/auxiliary/util/u_format_parse.py
@@ -30,6 +30,8 @@
 '''
 
 
+import sys
+
 VOID, UNSIGNED, SIGNED, FIXED, FLOAT = range(5)
 
 SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W, SWIZZLE_0, SWIZZLE_1, SWIZZLE_NONE, = range(7)
@@ -42,6 +44,9 @@ YUV = 'yuv'
 ZS = 'zs'
 
 
+# Not cross-compiler friendly
+is_big_endian = sys.byteorder == 'big'
+
 def is_pot(x):
    return (x & (x - 1)) == 0
 
@@ -307,6 +312,11 @@ def parse(filename):
             channel = Channel(type, norm, pure, size, names[i])
             channels.append(channel)
 
+        shift = 0
+        for channel in channels[3::-1] if is_big_endian else channels:
+            channel.shift = shift
+            shift += channel.size
+
         format = Format(name, layout, block_width, block_height, channels, swizzles, colorspace)
         formats.append(format)
     return formats
diff --git a/mesalib/src/gallium/auxiliary/util/u_format_table.py b/mesalib/src/gallium/auxiliary/util/u_format_table.py
index 8edb50523..9d44cf391 100644
--- a/mesalib/src/gallium/auxiliary/util/u_format_table.py
+++ b/mesalib/src/gallium/auxiliary/util/u_format_table.py
@@ -114,9 +114,9 @@ def write_format_table(formats):
             else:
                 sep = ""
             if channel.size:
-                print "      {%s, %s, %s, %u}%s\t/* %s = %s */" % (type_map[channel.type], bool_map(channel.norm), bool_map(channel.pure), channel.size, sep, "xyzw"[i], channel.name)
+                print "      {%s, %s, %s, %u, %u}%s\t/* %s = %s */" % (type_map[channel.type], bool_map(channel.norm), bool_map(channel.pure), channel.size, channel.shift, sep, "xyzw"[i], channel.name)
             else:
-                print "      {0, 0, 0, 0}%s" % (sep,)
+                print "      {0, 0, 0, 0, 0}%s" % (sep,)
         print "   },"
         print "   {"
         for i in range(4):
diff --git a/mesalib/src/gallium/auxiliary/util/u_pack_color.h b/mesalib/src/gallium/auxiliary/util/u_pack_color.h
index 1f6a56a33..102ad6051 100644
--- a/mesalib/src/gallium/auxiliary/util/u_pack_color.h
+++ b/mesalib/src/gallium/auxiliary/util/u_pack_color.h
@@ -65,32 +65,32 @@ util_pack_color_ub(ubyte r, ubyte g, ubyte b, ubyte a,
                    enum pipe_format format, union util_color *uc)
 {
    switch (format) {
-   case PIPE_FORMAT_A8B8G8R8_UNORM:
+   case PIPE_FORMAT_ABGR8888_UNORM:
       {
          uc->ui = (r << 24) | (g << 16) | (b << 8) | a;
       }
       return;
-   case PIPE_FORMAT_X8B8G8R8_UNORM:
+   case PIPE_FORMAT_XBGR8888_UNORM:
       {
          uc->ui = (r << 24) | (g << 16) | (b << 8) | 0xff;
       }
       return;
-   case PIPE_FORMAT_B8G8R8A8_UNORM:
+   case PIPE_FORMAT_BGRA8888_UNORM:
       {
          uc->ui = (a << 24) | (r << 16) | (g << 8) | b;
       }
       return;
-   case PIPE_FORMAT_B8G8R8X8_UNORM:
+   case PIPE_FORMAT_BGRX8888_UNORM:
       {
          uc->ui = (0xff << 24) | (r << 16) | (g << 8) | b;
       }
       return;
-   case PIPE_FORMAT_A8R8G8B8_UNORM:
+   case PIPE_FORMAT_ARGB8888_UNORM:
       {
          uc->ui = (b << 24) | (g << 16) | (r << 8) | a;
       }
       return;
-   case PIPE_FORMAT_X8R8G8B8_UNORM:
+   case PIPE_FORMAT_XRGB8888_UNORM:
       {
          uc->ui = (b << 24) | (g << 16) | (r << 8) | 0xff;
       }
@@ -166,7 +166,7 @@ util_unpack_color_ub(enum pipe_format format, union util_color *uc,
                      ubyte *r, ubyte *g, ubyte *b, ubyte *a)
 {
    switch (format) {
-   case PIPE_FORMAT_A8B8G8R8_UNORM:
+   case PIPE_FORMAT_ABGR8888_UNORM:
       {
          uint p = uc->ui;
          *r = (ubyte) ((p >> 24) & 0xff);
@@ -175,7 +175,7 @@ util_unpack_color_ub(enum pipe_format format, union util_color *uc,
          *a = (ubyte) ((p >>  0) & 0xff);
       }
       return;
-   case PIPE_FORMAT_X8B8G8R8_UNORM:
+   case PIPE_FORMAT_XBGR8888_UNORM:
       {
          uint p = uc->ui;
          *r = (ubyte) ((p >> 24) & 0xff);
@@ -184,7 +184,7 @@ util_unpack_color_ub(enum pipe_format format, union util_color *uc,
          *a = (ubyte) 0xff;
       }
       return;
-   case PIPE_FORMAT_B8G8R8A8_UNORM:
+   case PIPE_FORMAT_BGRA8888_UNORM:
       {
          uint p = uc->ui;
          *r = (ubyte) ((p >> 16) & 0xff);
@@ -193,7 +193,7 @@ util_unpack_color_ub(enum pipe_format format, union util_color *uc,
          *a = (ubyte) ((p >> 24) & 0xff);
       }
       return;
-   case PIPE_FORMAT_B8G8R8X8_UNORM:
+   case PIPE_FORMAT_BGRX8888_UNORM:
       {
          uint p = uc->ui;
          *r = (ubyte) ((p >> 16) & 0xff);
@@ -202,7 +202,7 @@ util_unpack_color_ub(enum pipe_format format, union util_color *uc,
          *a = (ubyte) 0xff;
       }
       return;
-   case PIPE_FORMAT_A8R8G8B8_UNORM:
+   case PIPE_FORMAT_ARGB8888_UNORM:
       {
          uint p = uc->ui;
          *r = (ubyte) ((p >>  8) & 0xff);
@@ -211,7 +211,7 @@ util_unpack_color_ub(enum pipe_format format, union util_color *uc,
          *a = (ubyte) ((p >>  0) & 0xff);
       }
       return;
-   case PIPE_FORMAT_X8R8G8B8_UNORM:
+   case PIPE_FORMAT_XRGB8888_UNORM:
       {
          uint p = uc->ui;
          *r = (ubyte) ((p >>  8) & 0xff);
@@ -350,32 +350,32 @@ util_pack_color(const float rgba[4], enum pipe_format format, union util_color *
    }
 
    switch (format) {
-   case PIPE_FORMAT_A8B8G8R8_UNORM:
+   case PIPE_FORMAT_ABGR8888_UNORM:
       {
          uc->ui = (r << 24) | (g << 16) | (b << 8) | a;
       }
       return;
-   case PIPE_FORMAT_X8B8G8R8_UNORM:
+   case PIPE_FORMAT_XBGR8888_UNORM:
       {
          uc->ui = (r << 24) | (g << 16) | (b << 8) | 0xff;
       }
       return;
-   case PIPE_FORMAT_B8G8R8A8_UNORM:
+   case PIPE_FORMAT_BGRA8888_UNORM:
       {
          uc->ui = (a << 24) | (r << 16) | (g << 8) | b;
       }
       return;
-   case PIPE_FORMAT_B8G8R8X8_UNORM:
+   case PIPE_FORMAT_BGRX8888_UNORM:
       {
          uc->ui = (0xff << 24) | (r << 16) | (g << 8) | b;
       }
       return;
-   case PIPE_FORMAT_A8R8G8B8_UNORM:
+   case PIPE_FORMAT_ARGB8888_UNORM:
       {
          uc->ui = (b << 24) | (g << 16) | (r << 8) | a;
       }
       return;
-   case PIPE_FORMAT_X8R8G8B8_UNORM:
+   case PIPE_FORMAT_XRGB8888_UNORM:
       {
          uc->ui = (b << 24) | (g << 16) | (r << 8) | 0xff;
       }
diff --git a/mesalib/src/glsl/glsl_parser_extras.cpp b/mesalib/src/glsl/glsl_parser_extras.cpp
index 98627145a..f4087df30 100644
--- a/mesalib/src/glsl/glsl_parser_extras.cpp
+++ b/mesalib/src/glsl/glsl_parser_extras.cpp
@@ -28,6 +28,7 @@
 extern "C" {
 #include "main/core.h" /* for struct gl_context */
 #include "main/context.h"
+#include "main/shaderobj.h"
 }
 
 #include "ralloc.h"
@@ -302,6 +303,41 @@ _mesa_glsl_parse_state::process_version_directive(YYLTYPE *locp, int version,
    }
 }
 
+extern "C" {
+
+/**
+ * The most common use of _mesa_glsl_shader_target_name(), which is
+ * shared with C code in Mesa core to translate a GLenum to a short
+ * shader stage name in debug printouts.
+ *
+ * It recognizes the PROGRAM variants of the names so it can be used
+ * with a struct gl_program->Target, not just a struct
+ * gl_shader->Type.
+ */
+const char *
+_mesa_glsl_shader_target_name(GLenum type)
+{
+   switch (type) {
+   case GL_VERTEX_SHADER:
+   case GL_VERTEX_PROGRAM_ARB:
+      return "vertex";
+   case GL_FRAGMENT_SHADER:
+   case GL_FRAGMENT_PROGRAM_ARB:
+      return "fragment";
+   case GL_GEOMETRY_SHADER:
+      return "geometry";
+   default:
+      assert(!"Should not get here.");
+      return "unknown";
+   }
+}
+
+} /* extern "C" */
+
+/**
+ * Overloaded C++ variant usable within the compiler for translating
+ * our internal enum into short stage names.
+ */
 const char *
 _mesa_glsl_shader_target_name(enum _mesa_glsl_parser_targets target)
 {
@@ -1202,6 +1238,88 @@ ast_struct_specifier::ast_struct_specifier(const char *identifier,
    this->declarations.push_degenerate_list_at_head(&declarator_list->link);
 }
 
+extern "C" {
+
+void
+_mesa_glsl_compile_shader(struct gl_context *ctx, struct gl_shader *shader,
+                          bool dump_ast, bool dump_hir)
+{
+   struct _mesa_glsl_parse_state *state =
+      new(shader) _mesa_glsl_parse_state(ctx, shader->Type, shader);
+   const char *source = shader->Source;
+
+   state->error = glcpp_preprocess(state, &source, &state->info_log,
+                             &ctx->Extensions, ctx);
+
+   if (!state->error) {
+     _mesa_glsl_lexer_ctor(state, source);
+     _mesa_glsl_parse(state);
+     _mesa_glsl_lexer_dtor(state);
+   }
+
+   if (dump_ast) {
+      foreach_list_const(n, &state->translation_unit) {
+         ast_node *ast = exec_node_data(ast_node, n, link);
+         ast->print();
+      }
+      printf("\n\n");
+   }
+
+   ralloc_free(shader->ir);
+   shader->ir = new(shader) exec_list;
+   if (!state->error && !state->translation_unit.is_empty())
+      _mesa_ast_to_hir(shader->ir, state);
+
+   if (!state->error) {
+      validate_ir_tree(shader->ir);
+
+      /* Print out the unoptimized IR. */
+      if (dump_hir) {
+         _mesa_print_ir(shader->ir, state);
+      }
+   }
+
+
+   if (!state->error && !shader->ir->is_empty()) {
+      struct gl_shader_compiler_options *options =
+         &ctx->ShaderCompilerOptions[_mesa_shader_type_to_index(shader->Type)];
+
+      /* Do some optimization at compile time to reduce shader IR size
+       * and reduce later work if the same shader is linked multiple times
+       */
+      while (do_common_optimization(shader->ir, false, false, 32, options))
+         ;
+
+      validate_ir_tree(shader->ir);
+   }
+
+   if (shader->InfoLog)
+      ralloc_free(shader->InfoLog);
+
+   shader->symbols = state->symbols;
+   shader->CompileStatus = !state->error;
+   shader->InfoLog = state->info_log;
+   shader->Version = state->language_version;
+   shader->InfoLog = state->info_log;
+   shader->IsES = state->es_shader;
+
+   memcpy(shader->builtins_to_link, state->builtins_to_link,
+          sizeof(shader->builtins_to_link[0]) * state->num_builtins_to_link);
+   shader->num_builtins_to_link = state->num_builtins_to_link;
+
+   if (shader->UniformBlocks)
+      ralloc_free(shader->UniformBlocks);
+   shader->NumUniformBlocks = state->num_uniform_blocks;
+   shader->UniformBlocks = state->uniform_blocks;
+   ralloc_steal(shader, shader->UniformBlocks);
+
+   /* Retain any live IR, but trash the rest. */
+   reparent_ir(shader->ir, shader->ir);
+
+   ralloc_free(state);
+}
+
+} /* extern "C" */
 /**
  * Do the set of common optimizations passes
  *
diff --git a/mesalib/src/glsl/glsl_parser_extras.h b/mesalib/src/glsl/glsl_parser_extras.h
index 95918de72..7f478df80 100644
--- a/mesalib/src/glsl/glsl_parser_extras.h
+++ b/mesalib/src/glsl/glsl_parser_extras.h
@@ -371,6 +371,9 @@ _mesa_glsl_shader_target_name(enum _mesa_glsl_parser_targets target);
 extern "C" {
 #endif
 
+extern const char *
+_mesa_glsl_shader_target_name(GLenum type);
+
 extern int glcpp_preprocess(void *ctx, const char **shader, char **info_log,
                       const struct gl_extensions *extensions, struct gl_context *gl_ctx);
 
diff --git a/mesalib/src/glsl/ir.h b/mesalib/src/glsl/ir.h
index 6d4150136..1f0dc0906 100644
--- a/mesalib/src/glsl/ir.h
+++ b/mesalib/src/glsl/ir.h
@@ -36,6 +36,8 @@
 #include "ir_hierarchical_visitor.h"
 #include "main/mtypes.h"
 
+#ifdef __cplusplus
+
 /**
  * \defgroup IR Intermediate representation nodes
  *
@@ -2050,4 +2052,14 @@ extern char *
 prototype_string(const glsl_type *return_type, const char *name,
 		 exec_list *parameters);
 
+extern "C" {
+#endif /* __cplusplus */
+
+extern void _mesa_print_ir(struct exec_list *instructions,
+                           struct _mesa_glsl_parse_state *state);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
 #endif /* IR_H */
diff --git a/mesalib/src/glsl/ir_hierarchical_visitor.h b/mesalib/src/glsl/ir_hierarchical_visitor.h
index 143eb7c88..1988ad091 100644
--- a/mesalib/src/glsl/ir_hierarchical_visitor.h
+++ b/mesalib/src/glsl/ir_hierarchical_visitor.h
@@ -36,6 +36,7 @@ enum ir_visitor_status {
 };
 
 
+#ifdef __cplusplus
 /**
  * Base class of hierarchical visitors of IR instruction trees
  *
@@ -181,5 +182,6 @@ void visit_tree(ir_instruction *ir,
 
 ir_visitor_status visit_list_elements(ir_hierarchical_visitor *v, exec_list *l,
                                       bool statement_list = true);
+#endif /* __cplusplus */
 
 #endif /* IR_HIERARCHICAL_VISITOR_H */
diff --git a/mesalib/src/glsl/ir_print_visitor.cpp b/mesalib/src/glsl/ir_print_visitor.cpp
index f01019c98..ca973a5f3 100644
--- a/mesalib/src/glsl/ir_print_visitor.cpp
+++ b/mesalib/src/glsl/ir_print_visitor.cpp
@@ -38,6 +38,7 @@ ir_instruction::print(void) const
    deconsted->accept(&v);
 }
 
+extern "C" {
 void
 _mesa_print_ir(exec_list *instructions,
 	       struct _mesa_glsl_parse_state *state)
@@ -69,6 +70,8 @@ _mesa_print_ir(exec_list *instructions,
    printf("\n)");
 }
 
+} /* extern "C" */
+
 ir_print_visitor::ir_print_visitor()
 {
    indentation = 0;
diff --git a/mesalib/src/glsl/ir_print_visitor.h b/mesalib/src/glsl/ir_print_visitor.h
index 6c308f31e..a84056d16 100644
--- a/mesalib/src/glsl/ir_print_visitor.h
+++ b/mesalib/src/glsl/ir_print_visitor.h
@@ -33,9 +33,6 @@ extern "C" {
 #include "program/symbol_table.h"
 }
 
-extern void _mesa_print_ir(exec_list *instructions,
-			   struct _mesa_glsl_parse_state *state);
-
 /**
  * Abstract base class of visitors of IR instruction trees
  */
diff --git a/mesalib/src/glsl/ir_rvalue_visitor.cpp b/mesalib/src/glsl/ir_rvalue_visitor.cpp
index 3504a4dda..8eb1c62c3 100644
--- a/mesalib/src/glsl/ir_rvalue_visitor.cpp
+++ b/mesalib/src/glsl/ir_rvalue_visitor.cpp
@@ -32,7 +32,6 @@
 #include "ir.h"
 #include "ir_visitor.h"
 #include "ir_rvalue_visitor.h"
-#include "ir_print_visitor.h"
 #include "glsl_types.h"
 
 ir_visitor_status
diff --git a/mesalib/src/glsl/ir_visitor.h b/mesalib/src/glsl/ir_visitor.h
index 4a00155be..bd47ef7d5 100644
--- a/mesalib/src/glsl/ir_visitor.h
+++ b/mesalib/src/glsl/ir_visitor.h
@@ -26,6 +26,7 @@
 #ifndef IR_VISITOR_H
 #define IR_VISITOR_H
 
+#ifdef __cplusplus
 /**
  * Abstract base class of visitors of IR instruction trees
  */
@@ -81,5 +82,6 @@ public:
    virtual void visit(class ir_constant *) {}
    virtual void visit(class ir_call *) {}
 };
+#endif /* __cplusplus */
 
 #endif /* IR_VISITOR_H */
diff --git a/mesalib/src/glsl/link_varyings.cpp b/mesalib/src/glsl/link_varyings.cpp
index 34e3440d6..4fdbdc199 100644
--- a/mesalib/src/glsl/link_varyings.cpp
+++ b/mesalib/src/glsl/link_varyings.cpp
@@ -31,6 +31,7 @@
 
 #include "main/mtypes.h"
 #include "glsl_symbol_table.h"
+#include "glsl_parser_extras.h"
 #include "ir_optimization.h"
 #include "linker.h"
 #include "link_varyings.h"
@@ -47,9 +48,10 @@ cross_validate_outputs_to_inputs(struct gl_shader_program *prog,
 				 gl_shader *producer, gl_shader *consumer)
 {
    glsl_symbol_table parameters;
-   /* FINISHME: Figure these out dynamically. */
-   const char *const producer_stage = "vertex";
-   const char *const consumer_stage = "fragment";
+   const char *const producer_stage =
+      _mesa_glsl_shader_target_name(producer->Type);
+   const char *const consumer_stage =
+      _mesa_glsl_shader_target_name(consumer->Type);
 
    /* Find all shader outputs in the "producer" stage.
     */
@@ -1135,8 +1137,11 @@ assign_varying_locations(struct gl_context *ctx,
                 * "glsl1-varying read but not written" in piglit.
                 */
 
-               linker_error(prog, "fragment shader varying %s not written "
-                            "by vertex shader\n.", var->name);
+               linker_error(prog, "%s shader varying %s not written "
+                            "by %s shader\n.",
+                            _mesa_glsl_shader_target_name(consumer->Type),
+			    var->name,
+                            _mesa_glsl_shader_target_name(producer->Type));
             }
 
             /* An 'in' variable is only really a shader input if its
diff --git a/mesalib/src/glsl/linker.cpp b/mesalib/src/glsl/linker.cpp
index cd8d680ae..c168e47e0 100644
--- a/mesalib/src/glsl/linker.cpp
+++ b/mesalib/src/glsl/linker.cpp
@@ -66,6 +66,7 @@
 
 #include "main/core.h"
 #include "glsl_symbol_table.h"
+#include "glsl_parser_extras.h"
 #include "ir.h"
 #include "program.h"
 #include "program/hash_table.h"
@@ -1009,8 +1010,7 @@ link_intrastage_shaders(void *mem_ctx,
 
    if (main == NULL) {
       linker_error(prog, "%s shader lacks `main'\n",
-		   (shader_list[0]->Type == GL_VERTEX_SHADER)
-		   ? "vertex" : "fragment");
+		   _mesa_glsl_shader_target_name(shader_list[0]->Type));
       return NULL;
    }
 
diff --git a/mesalib/src/glsl/main.cpp b/mesalib/src/glsl/main.cpp
index d7e35bcb3..60bc62827 100644
--- a/mesalib/src/glsl/main.cpp
+++ b/mesalib/src/glsl/main.cpp
@@ -34,7 +34,6 @@
 #include "ast.h"
 #include "glsl_parser_extras.h"
 #include "ir_optimization.h"
-#include "ir_print_visitor.h"
 #include "program.h"
 #include "loop_analysis.h"
 #include "standalone_scaffolding.h"
@@ -144,70 +143,13 @@ compile_shader(struct gl_context *ctx, struct gl_shader *shader)
    struct _mesa_glsl_parse_state *state =
       new(shader) _mesa_glsl_parse_state(ctx, shader->Type, shader);
 
-   const char *source = shader->Source;
-   state->error = glcpp_preprocess(state, &source, &state->info_log,
-			     state->extensions, ctx) != 0;
-
-   if (!state->error) {
-      _mesa_glsl_lexer_ctor(state, source);
-      _mesa_glsl_parse(state);
-      _mesa_glsl_lexer_dtor(state);
-   }
-
-   if (dump_ast) {
-      foreach_list_const(n, &state->translation_unit) {
-	 ast_node *ast = exec_node_data(ast_node, n, link);
-	 ast->print();
-      }
-      printf("\n\n");
-   }
-
-   shader->ir = new(shader) exec_list;
-   if (!state->error && !state->translation_unit.is_empty())
-      _mesa_ast_to_hir(shader->ir, state);
-
-   /* Print out the unoptimized IR. */
-   if (!state->error && dump_hir) {
-      validate_ir_tree(shader->ir);
-      _mesa_print_ir(shader->ir, state);
-   }
-
-   /* Optimization passes */
-   if (!state->error && !shader->ir->is_empty()) {
-      const struct gl_shader_compiler_options *opts =
-         &ctx->ShaderCompilerOptions[_mesa_shader_type_to_index(shader->Type)];
-      bool progress;
-      do {
-	 progress = do_common_optimization(shader->ir, false, false, 32, opts);
-      } while (progress);
-
-      validate_ir_tree(shader->ir);
-   }
-
+   _mesa_glsl_compile_shader(ctx, shader, dump_ast, dump_hir);
 
    /* Print out the resulting IR */
    if (!state->error && dump_lir) {
       _mesa_print_ir(shader->ir, state);
    }
 
-   shader->symbols = state->symbols;
-   shader->CompileStatus = !state->error;
-   shader->Version = state->language_version;
-   shader->IsES = state->es_shader;
-   memcpy(shader->builtins_to_link, state->builtins_to_link,
-	  sizeof(shader->builtins_to_link[0]) * state->num_builtins_to_link);
-   shader->num_builtins_to_link = state->num_builtins_to_link;
-
-   if (shader->InfoLog)
-      ralloc_free(shader->InfoLog);
-
-   shader->InfoLog = state->info_log;
-
-   /* Retain any live IR, but trash the rest. */
-   reparent_ir(shader->ir, shader);
-
-   ralloc_free(state);
-
    return;
 }
 
diff --git a/mesalib/src/glsl/opt_array_splitting.cpp b/mesalib/src/glsl/opt_array_splitting.cpp
index 67733ca6b..f4a7ef99b 100644
--- a/mesalib/src/glsl/opt_array_splitting.cpp
+++ b/mesalib/src/glsl/opt_array_splitting.cpp
@@ -36,7 +36,6 @@
 #include "ir.h"
 #include "ir_visitor.h"
 #include "ir_rvalue_visitor.h"
-#include "ir_print_visitor.h"
 #include "glsl_types.h"
 
 static bool debug = false;
diff --git a/mesalib/src/glsl/opt_noop_swizzle.cpp b/mesalib/src/glsl/opt_noop_swizzle.cpp
index 693719e3d..586ad5e61 100644
--- a/mesalib/src/glsl/opt_noop_swizzle.cpp
+++ b/mesalib/src/glsl/opt_noop_swizzle.cpp
@@ -32,7 +32,6 @@
 #include "ir.h"
 #include "ir_visitor.h"
 #include "ir_rvalue_visitor.h"
-#include "ir_print_visitor.h"
 #include "glsl_types.h"
 
 namespace {
diff --git a/mesalib/src/glsl/opt_structure_splitting.cpp b/mesalib/src/glsl/opt_structure_splitting.cpp
index 806c079e5..9f4b3dd8f 100644
--- a/mesalib/src/glsl/opt_structure_splitting.cpp
+++ b/mesalib/src/glsl/opt_structure_splitting.cpp
@@ -34,7 +34,6 @@
 
 #include "ir.h"
 #include "ir_visitor.h"
-#include "ir_print_visitor.h"
 #include "ir_rvalue_visitor.h"
 #include "glsl_types.h"
 
diff --git a/mesalib/src/glsl/program.h b/mesalib/src/glsl/program.h
index 6a76d4d54..f15113a08 100644
--- a/mesalib/src/glsl/program.h
+++ b/mesalib/src/glsl/program.h
@@ -24,15 +24,27 @@
 
 #include "main/core.h"
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern void
+_mesa_glsl_compile_shader(struct gl_context *ctx, struct gl_shader *shader,
+			  bool dump_ast, bool dump_hir);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
 extern void
 link_shaders(struct gl_context *ctx, struct gl_shader_program *prog);
 
 extern void
-linker_error(gl_shader_program *prog, const char *fmt, ...)
+linker_error(struct gl_shader_program *prog, const char *fmt, ...)
    PRINTFLIKE(2, 3);
 
 extern void
-linker_warning(gl_shader_program *prog, const char *fmt, ...)
+linker_warning(struct gl_shader_program *prog, const char *fmt, ...)
    PRINTFLIKE(2, 3);
 
 extern long
diff --git a/mesalib/src/glsl/test_optpass.cpp b/mesalib/src/glsl/test_optpass.cpp
index fc10cbbde..67e2ab2b1 100644
--- a/mesalib/src/glsl/test_optpass.cpp
+++ b/mesalib/src/glsl/test_optpass.cpp
@@ -39,7 +39,6 @@
 
 #include "ast.h"
 #include "ir_optimization.h"
-#include "ir_print_visitor.h"
 #include "program.h"
 #include "ir_reader.h"
 #include "standalone_scaffolding.h"
diff --git a/mesalib/src/mesa/drivers/common/driverfuncs.c b/mesalib/src/mesa/drivers/common/driverfuncs.c
index 016c0e80f..5faa98af1 100644
--- a/mesalib/src/mesa/drivers/common/driverfuncs.c
+++ b/mesalib/src/mesa/drivers/common/driverfuncs.c
@@ -75,7 +75,6 @@ _mesa_init_driver_functions(struct dd_function_table *driver)
 
    driver->GetString = NULL;  /* REQUIRED! */
    driver->UpdateState = NULL;  /* REQUIRED! */
-   driver->GetBufferSize = NULL;  /* REQUIRED! */
    driver->ResizeBuffers = _mesa_resize_framebuffer;
 
    driver->Finish = NULL;
diff --git a/mesalib/src/mesa/drivers/dri/common/xmlpool/Makefile.am b/mesalib/src/mesa/drivers/dri/common/xmlpool/Makefile.am
index b545f37de..ad7887d06 100644
--- a/mesalib/src/mesa/drivers/dri/common/xmlpool/Makefile.am
+++ b/mesalib/src/mesa/drivers/dri/common/xmlpool/Makefile.am
@@ -66,7 +66,7 @@ options.h: t_options.h $(MOS)
 
 # Update .mo files from the corresponding .po files.
 %/LC_MESSAGES/options.mo: %.po
-	@mo="$@" \
+	@mo="$@"; \
 	lang=$${mo%%/*}; \
 	echo "Updating ($$lang) $@ from $?."; \
 	mkdir -p $$lang/LC_MESSAGES; \
diff --git a/mesalib/src/mesa/drivers/dri/swrast/swrast.c b/mesalib/src/mesa/drivers/dri/swrast/swrast.c
index 91bcc5944..ee80c1f4a 100644
--- a/mesalib/src/mesa/drivers/dri/swrast/swrast.c
+++ b/mesalib/src/mesa/drivers/dri/swrast/swrast.c
@@ -642,7 +642,6 @@ swrast_init_driver_functions(struct dd_function_table *driver)
 {
     driver->GetString = get_string;
     driver->UpdateState = update_state;
-    driver->GetBufferSize = NULL;
     driver->Viewport = viewport;
     driver->ChooseTextureFormat = swrastChooseTextureFormat;
     driver->MapRenderbuffer = swrast_map_renderbuffer;
diff --git a/mesalib/src/mesa/drivers/windows/gdi/wmesa.c b/mesalib/src/mesa/drivers/windows/gdi/wmesa.c
index 35ec65ac3..ef791ab2f 100644
--- a/mesalib/src/mesa/drivers/windows/gdi/wmesa.c
+++ b/mesalib/src/mesa/drivers/windows/gdi/wmesa.c
@@ -605,7 +605,6 @@ WMesaContext WMesaCreateContext(HDC hDC,
     _mesa_init_driver_functions(&functions);
     functions.GetString = wmesa_get_string;
     functions.UpdateState = wmesa_update_state;
-    functions.GetBufferSize = wmesa_get_buffer_size;
     functions.Flush = wmesa_flush;
     functions.Clear = clear;
     functions.ResizeBuffers = wmesa_resize_buffers;
diff --git a/mesalib/src/mesa/main/context.c b/mesalib/src/mesa/main/context.c
index c59f755c6..5ad04cc99 100644
--- a/mesalib/src/mesa/main/context.c
+++ b/mesalib/src/mesa/main/context.c
@@ -1388,25 +1388,6 @@ check_compatible(const struct gl_context *ctx,
 
 
 /**
- * Do one-time initialization for the given framebuffer.  Specifically,
- * ask the driver for the window's current size and update the framebuffer
- * object to match.
- * Really, the device driver should totally take care of this.
- */
-static void
-initialize_framebuffer_size(struct gl_context *ctx, struct gl_framebuffer *fb)
-{
-   GLuint width, height;
-   if (ctx->Driver.GetBufferSize) {
-      ctx->Driver.GetBufferSize(fb, &width, &height);
-      if (ctx->Driver.ResizeBuffers)
-         ctx->Driver.ResizeBuffers(ctx, fb, width, height);
-      fb->Initialized = GL_TRUE;
-   }
-}
-
-
-/**
  * Check if the viewport/scissor size has not yet been initialized.
  * Initialize the size if the given width and height are non-zero.
  */
@@ -1508,32 +1489,6 @@ _mesa_make_current( struct gl_context *newCtx,
           */
 	 newCtx->NewState |= _NEW_BUFFERS;
 
-#if 1
-         /* We want to get rid of these lines: */
-         if (!drawBuffer->Initialized) {
-            initialize_framebuffer_size(newCtx, drawBuffer);
-         }
-         if (readBuffer != drawBuffer && !readBuffer->Initialized) {
-            initialize_framebuffer_size(newCtx, readBuffer);
-         }
-
-	 _mesa_resizebuffers(newCtx);
-#else
-         /* We want the drawBuffer and readBuffer to be initialized by
-          * the driver.
-          * This generally means the Width and Height match the actual
-          * window size and the renderbuffers (both hardware and software
-          * based) are allocated to match.  The later can generally be
-          * done with a call to _mesa_resize_framebuffer().
-          *
-          * It's theoretically possible for a buffer to have zero width
-          * or height, but for now, assert check that the driver did what's
-          * expected of it.
-          */
-         ASSERT(drawBuffer->Width > 0);
-         ASSERT(drawBuffer->Height > 0);
-#endif
-
          if (drawBuffer) {
             _mesa_check_init_viewport(newCtx,
                                       drawBuffer->Width, drawBuffer->Height);
diff --git a/mesalib/src/mesa/main/dd.h b/mesalib/src/mesa/main/dd.h
index e2519780a..c1d9b2c95 100644
--- a/mesalib/src/mesa/main/dd.h
+++ b/mesalib/src/mesa/main/dd.h
@@ -93,15 +93,6 @@ struct dd_function_table {
    void (*UpdateState)( struct gl_context *ctx, GLbitfield new_state );
 
    /**
-    * Get the width and height of the named buffer/window.
-    *
-    * Mesa uses this to determine when the driver's window size has changed.
-    * XXX OBSOLETE: this function will be removed in the future.
-    */
-   void (*GetBufferSize)( struct gl_framebuffer *buffer,
-                          GLuint *width, GLuint *height );
-
-   /**
     * Resize the given framebuffer to the given size.
     * XXX OBSOLETE: this function will be removed in the future.
     */
diff --git a/mesalib/src/mesa/main/ff_fragment_shader.cpp b/mesalib/src/mesa/main/ff_fragment_shader.cpp
index d162da8db..86317efcd 100644
--- a/mesalib/src/mesa/main/ff_fragment_shader.cpp
+++ b/mesalib/src/mesa/main/ff_fragment_shader.cpp
@@ -51,7 +51,6 @@ extern "C" {
 #include "../glsl/glsl_symbol_table.h"
 #include "../glsl/glsl_parser_extras.h"
 #include "../glsl/ir_optimization.h"
-#include "../glsl/ir_print_visitor.h"
 #include "../program/ir_to_mesa.h"
 
 using namespace ir_builder;
diff --git a/mesalib/src/mesa/main/framebuffer.c b/mesalib/src/mesa/main/framebuffer.c
index 1906a8a55..d28882ac4 100644
--- a/mesalib/src/mesa/main/framebuffer.c
+++ b/mesalib/src/mesa/main/framebuffer.c
@@ -319,81 +319,12 @@ _mesa_resize_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb,
    }
 }
 
-
-
-/**
- * XXX THIS IS OBSOLETE - drivers should take care of detecting window
- * size changes and act accordingly, likely calling _mesa_resize_framebuffer().
- *
- * GL_MESA_resize_buffers extension.
- *
- * When this function is called, we'll ask the window system how large
- * the current window is.  If it's a new size, we'll call the driver's
- * ResizeBuffers function.  The driver will then resize its color buffers
- * as needed, and maybe call the swrast's routine for reallocating
- * swrast-managed depth/stencil/accum/etc buffers.
- * \note This function should only be called through the GL API, not
- * from device drivers (as was done in the past).
- */
-void
-_mesa_resizebuffers( struct gl_context *ctx )
-{
-   FLUSH_VERTICES(ctx, 0);
-
-   if (MESA_VERBOSE & VERBOSE_API)
-      _mesa_debug(ctx, "glResizeBuffersMESA\n");
-
-   if (!ctx->Driver.GetBufferSize) {
-      return;
-   }
-
-   if (ctx->WinSysDrawBuffer) {
-      GLuint newWidth, newHeight;
-      struct gl_framebuffer *buffer = ctx->WinSysDrawBuffer;
-
-      assert(_mesa_is_winsys_fbo(buffer));
-
-      /* ask device driver for size of output buffer */
-      ctx->Driver.GetBufferSize( buffer, &newWidth, &newHeight );
-
-      /* see if size of device driver's color buffer (window) has changed */
-      if (buffer->Width != newWidth || buffer->Height != newHeight) {
-         if (ctx->Driver.ResizeBuffers)
-            ctx->Driver.ResizeBuffers(ctx, buffer, newWidth, newHeight );
-      }
-   }
-
-   if (ctx->WinSysReadBuffer
-       && ctx->WinSysReadBuffer != ctx->WinSysDrawBuffer) {
-      GLuint newWidth, newHeight;
-      struct gl_framebuffer *buffer = ctx->WinSysReadBuffer;
-
-      assert(_mesa_is_winsys_fbo(buffer));
-
-      /* ask device driver for size of read buffer */
-      ctx->Driver.GetBufferSize( buffer, &newWidth, &newHeight );
-
-      /* see if size of device driver's color buffer (window) has changed */
-      if (buffer->Width != newWidth || buffer->Height != newHeight) {
-         if (ctx->Driver.ResizeBuffers)
-            ctx->Driver.ResizeBuffers(ctx, buffer, newWidth, newHeight );
-      }
-   }
-
-   ctx->NewState |= _NEW_BUFFERS;  /* to update scissor / window bounds */
-}
-
-
 /*
  * XXX THIS IS OBSOLETE
  */
 void GLAPIENTRY
 _mesa_ResizeBuffersMESA( void )
 {
-   GET_CURRENT_CONTEXT(ctx);
-
-   if (ctx->Extensions.MESA_resize_buffers)
-      _mesa_resizebuffers( ctx );
 }
 
 
diff --git a/mesalib/src/mesa/main/mtypes.h b/mesalib/src/mesa/main/mtypes.h
index 0002da5c0..5d5b53492 100644
--- a/mesalib/src/mesa/main/mtypes.h
+++ b/mesalib/src/mesa/main/mtypes.h
@@ -2680,8 +2680,6 @@ struct gl_framebuffer
     */
    struct gl_config Visual;
 
-   GLboolean Initialized;
-
    GLuint Width, Height;	/**< size of frame buffer in pixels */
 
    /** \name  Drawing bounds (Intersection of buffer size and scissor box) */
diff --git a/mesalib/src/mesa/main/shaderapi.c b/mesalib/src/mesa/main/shaderapi.c
index 8cb02760b..4cc0357b1 100644
--- a/mesalib/src/mesa/main/shaderapi.c
+++ b/mesalib/src/mesa/main/shaderapi.c
@@ -48,11 +48,14 @@
 #include "main/transformfeedback.h"
 #include "main/uniforms.h"
 #include "program/program.h"
+#include "program/prog_print.h"
 #include "program/prog_parameter.h"
 #include "ralloc.h"
 #include <stdbool.h>
 #include "../glsl/glsl_parser_extras.h"
+#include "../glsl/ir.h"
 #include "../glsl/ir_uniform.h"
+#include "../glsl/program.h"
 
 /** Define this to enable shader substitution (see below) */
 #define SHADER_SUBST 0
@@ -743,10 +746,42 @@ compile_shader(struct gl_context *ctx, GLuint shaderObj)
    /* set default pragma state for shader */
    sh->Pragmas = options->DefaultPragmas;
 
-   /* this call will set the sh->CompileStatus field to indicate if
-    * compilation was successful.
-    */
-   _mesa_glsl_compile_shader(ctx, sh);
+   if (!sh->Source) {
+      /* If the user called glCompileShader without first calling
+       * glShaderSource, we should fail to compile, but not raise a GL_ERROR.
+       */
+      sh->CompileStatus = GL_FALSE;
+   } else {
+      if (ctx->Shader.Flags & GLSL_DUMP) {
+         printf("GLSL source for %s shader %d:\n",
+                _mesa_glsl_shader_target_name(sh->Type), sh->Name);
+         printf("%s\n", sh->Source);
+      }
+
+      /* this call will set the shader->CompileStatus field to indicate if
+       * compilation was successful.
+       */
+      _mesa_glsl_compile_shader(ctx, sh, false, false);
+
+      if (ctx->Shader.Flags & GLSL_LOG) {
+         _mesa_write_shader_to_file(sh);
+      }
+
+      if (ctx->Shader.Flags & GLSL_DUMP) {
+         if (sh->CompileStatus) {
+            printf("GLSL IR for shader %d:\n", sh->Name);
+            _mesa_print_ir(sh->ir, NULL);
+            printf("\n\n");
+         } else {
+            printf("GLSL shader %d failed to compile.\n", sh->Name);
+         }
+         if (sh->InfoLog && sh->InfoLog[0] != 0) {
+            printf("GLSL shader %d info log:\n", sh->Name);
+            printf("%s\n", sh->InfoLog);
+         }
+      }
+
+   }
 
    if (sh->CompileStatus == GL_FALSE && 
        (ctx->Shader.Flags & GLSL_REPORT_ERRORS)) {
@@ -816,21 +851,8 @@ print_shader_info(const struct gl_shader_program *shProg)
 
    printf("Mesa: glUseProgram(%u)\n", shProg->Name);
    for (i = 0; i < shProg->NumShaders; i++) {
-      const char *s;
-      switch (shProg->Shaders[i]->Type) {
-      case GL_VERTEX_SHADER:
-         s = "vertex";
-         break;
-      case GL_FRAGMENT_SHADER:
-         s = "fragment";
-         break;
-      case GL_GEOMETRY_SHADER:
-         s = "geometry";
-         break;
-      default:
-         s = "";
-      }
-      printf("  %s shader %u, checksum %u\n", s, 
+      printf("  %s shader %u, checksum %u\n",
+             _mesa_glsl_shader_target_name(shProg->Shaders[i]->Type),
 	     shProg->Shaders[i]->Name,
 	     shProg->Shaders[i]->SourceChecksum);
    }
diff --git a/mesalib/src/mesa/main/uniform_query.cpp b/mesalib/src/mesa/main/uniform_query.cpp
index 296f80f17..3c460042e 100644
--- a/mesalib/src/mesa/main/uniform_query.cpp
+++ b/mesalib/src/mesa/main/uniform_query.cpp
@@ -33,6 +33,7 @@
 #include "program/hash_table.h"
 #include "../glsl/program.h"
 #include "../glsl/ir_uniform.h"
+#include "../glsl/glsl_parser_extras.h"
 #include "main/shaderapi.h"
 #include "main/shaderobj.h"
 #include "uniforms.h"
@@ -434,12 +435,6 @@ log_uniform(const void *values, enum glsl_base_type basicType,
 static void
 log_program_parameters(const struct gl_shader_program *shProg)
 {
-   static const char *stages[] = {
-      "vertex", "fragment", "geometry"
-   };
-
-   assert(Elements(stages) == MESA_SHADER_TYPES);
-
    for (unsigned i = 0; i < MESA_SHADER_TYPES; i++) {
       if (shProg->_LinkedShaders[i] == NULL)
 	 continue;
@@ -447,7 +442,7 @@ log_program_parameters(const struct gl_shader_program *shProg)
       const struct gl_program *const prog = shProg->_LinkedShaders[i]->Program;
 
       printf("Program %d %s shader parameters:\n",
-	     shProg->Name, stages[i]);
+             shProg->Name, _mesa_glsl_shader_target_name(prog->Target));
       for (unsigned j = 0; j < prog->Parameters->NumParameters; j++) {
 	 printf("%s: %p %f %f %f %f\n",
 		prog->Parameters->Parameters[j].Name,
diff --git a/mesalib/src/mesa/main/uniforms.h b/mesalib/src/mesa/main/uniforms.h
index 14fe26d5f..92239176e 100644
--- a/mesalib/src/mesa/main/uniforms.h
+++ b/mesalib/src/mesa/main/uniforms.h
@@ -272,7 +272,7 @@ static inline GLint
 _mesa_uniform_merge_location_offset(const struct gl_shader_program *prog,
                                     unsigned base_location, unsigned offset)
 {
-   assert(prog->UniformLocationBaseScale >= 0);
+   assert(prog->UniformLocationBaseScale >= 1);
    assert(offset < prog->UniformLocationBaseScale);
    return (base_location * prog->UniformLocationBaseScale) + offset;
 }
diff --git a/mesalib/src/mesa/program/ir_to_mesa.cpp b/mesalib/src/mesa/program/ir_to_mesa.cpp
index a5b6699c2..35a9b8437 100644
--- a/mesalib/src/mesa/program/ir_to_mesa.cpp
+++ b/mesalib/src/mesa/program/ir_to_mesa.cpp
@@ -33,7 +33,6 @@
 #include "main/compiler.h"
 #include "ir.h"
 #include "ir_visitor.h"
-#include "ir_print_visitor.h"
 #include "ir_expression_flattening.h"
 #include "ir_uniform.h"
 #include "glsl_types.h"
@@ -1057,9 +1056,9 @@ ir_to_mesa_visitor::emit_swz(ir_expression *ir)
    this->result.file = PROGRAM_UNDEFINED;
    deref->accept(this);
    if (this->result.file == PROGRAM_UNDEFINED) {
-      ir_print_visitor v;
       printf("Failed to get tree for expression operand:\n");
-      deref->accept(&v);
+      deref->print();
+      printf("\n");
       exit(1);
    }
 
@@ -1129,9 +1128,9 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
       this->result.file = PROGRAM_UNDEFINED;
       ir->operands[operand]->accept(this);
       if (this->result.file == PROGRAM_UNDEFINED) {
-	 ir_print_visitor v;
 	 printf("Failed to get tree for expression operand:\n");
-	 ir->operands[operand]->accept(&v);
+         ir->operands[operand]->print();
+         printf("\n");
 	 exit(1);
       }
       op[operand] = this->result;
@@ -2811,22 +2810,19 @@ get_mesa_program(struct gl_context *ctx,
    int i;
    struct gl_program *prog;
    GLenum target;
-   const char *target_string;
+   const char *target_string = _mesa_glsl_shader_target_name(shader->Type);
    struct gl_shader_compiler_options *options =
          &ctx->ShaderCompilerOptions[_mesa_shader_type_to_index(shader->Type)];
 
    switch (shader->Type) {
    case GL_VERTEX_SHADER:
       target = GL_VERTEX_PROGRAM_ARB;
-      target_string = "vertex";
       break;
    case GL_FRAGMENT_SHADER:
       target = GL_FRAGMENT_PROGRAM_ARB;
-      target_string = "fragment";
       break;
    case GL_GEOMETRY_SHADER:
       target = GL_GEOMETRY_PROGRAM_NV;
-      target_string = "geometry";
       break;
    default:
       assert(!"should not be reached");
@@ -3101,99 +3097,6 @@ _mesa_ir_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
    return prog->LinkStatus;
 }
 
-
-/**
- * Compile a GLSL shader.  Called via glCompileShader().
- */
-void
-_mesa_glsl_compile_shader(struct gl_context *ctx, struct gl_shader *shader)
-{
-   struct _mesa_glsl_parse_state *state =
-      new(shader) _mesa_glsl_parse_state(ctx, shader->Type, shader);
-
-   const char *source = shader->Source;
-   /* Check if the user called glCompileShader without first calling
-    * glShaderSource.  This should fail to compile, but not raise a GL_ERROR.
-    */
-   if (source == NULL) {
-      shader->CompileStatus = GL_FALSE;
-      return;
-   }
-
-   state->error = glcpp_preprocess(state, &source, &state->info_log,
-			     &ctx->Extensions, ctx);
-
-   if (ctx->Shader.Flags & GLSL_DUMP) {
-      printf("GLSL source for %s shader %d:\n",
-	     _mesa_glsl_shader_target_name(state->target), shader->Name);
-      printf("%s\n", shader->Source);
-   }
-
-   if (!state->error) {
-     _mesa_glsl_lexer_ctor(state, source);
-     _mesa_glsl_parse(state);
-     _mesa_glsl_lexer_dtor(state);
-   }
-
-   ralloc_free(shader->ir);
-   shader->ir = new(shader) exec_list;
-   if (!state->error && !state->translation_unit.is_empty())
-      _mesa_ast_to_hir(shader->ir, state);
-
-   if (!state->error && !shader->ir->is_empty()) {
-      validate_ir_tree(shader->ir);
-      struct gl_shader_compiler_options *options =
-         &ctx->ShaderCompilerOptions[_mesa_shader_type_to_index(shader->Type)];
-
-      /* Do some optimization at compile time to reduce shader IR size
-       * and reduce later work if the same shader is linked multiple times
-       */
-      while (do_common_optimization(shader->ir, false, false, 32, options))
-	 ;
-
-      validate_ir_tree(shader->ir);
-   }
-
-   shader->symbols = state->symbols;
-
-   shader->CompileStatus = !state->error;
-   shader->InfoLog = state->info_log;
-   shader->Version = state->language_version;
-   memcpy(shader->builtins_to_link, state->builtins_to_link,
-	  sizeof(shader->builtins_to_link[0]) * state->num_builtins_to_link);
-   shader->num_builtins_to_link = state->num_builtins_to_link;
-
-   if (ctx->Shader.Flags & GLSL_LOG) {
-      _mesa_write_shader_to_file(shader);
-   }
-
-   if (ctx->Shader.Flags & GLSL_DUMP) {
-      if (shader->CompileStatus) {
-	 printf("GLSL IR for shader %d:\n", shader->Name);
-	 _mesa_print_ir(shader->ir, NULL);
-	 printf("\n\n");
-      } else {
-	 printf("GLSL shader %d failed to compile.\n", shader->Name);
-      }
-      if (shader->InfoLog && shader->InfoLog[0] != 0) {
-	 printf("GLSL shader %d info log:\n", shader->Name);
-	 printf("%s\n", shader->InfoLog);
-      }
-   }
-
-   if (shader->UniformBlocks)
-      ralloc_free(shader->UniformBlocks);
-   shader->NumUniformBlocks = state->num_uniform_blocks;
-   shader->UniformBlocks = state->uniform_blocks;
-   ralloc_steal(shader, shader->UniformBlocks);
-
-   /* Retain any live IR, but trash the rest. */
-   reparent_ir(shader->ir, shader->ir);
-
-   ralloc_free(state);
-}
-
-
 /**
  * Link a GLSL shader program.  Called via glLinkProgram().
  */
diff --git a/mesalib/src/mesa/program/ir_to_mesa.h b/mesalib/src/mesa/program/ir_to_mesa.h
index aa053d9c8..2488a4582 100644
--- a/mesalib/src/mesa/program/ir_to_mesa.h
+++ b/mesalib/src/mesa/program/ir_to_mesa.h
@@ -33,7 +33,6 @@ struct gl_context;
 struct gl_shader;
 struct gl_shader_program;
 
-void _mesa_glsl_compile_shader(struct gl_context *ctx, struct gl_shader *sh);
 void _mesa_glsl_link_shader(struct gl_context *ctx, struct gl_shader_program *prog);
 GLboolean _mesa_ir_compile_shader(struct gl_context *ctx, struct gl_shader *shader);
 GLboolean _mesa_ir_link_shader(struct gl_context *ctx, struct gl_shader_program *prog);
diff --git a/mesalib/src/mesa/program/register_allocate.c b/mesalib/src/mesa/program/register_allocate.c
index 16739fd39..ea06a07c6 100644
--- a/mesalib/src/mesa/program/register_allocate.c
+++ b/mesalib/src/mesa/program/register_allocate.c
@@ -157,6 +157,16 @@ struct ra_graph {
 
    unsigned int *stack;
    unsigned int stack_count;
+
+   /**
+    * Tracks the start of the set of optimistically-colored registers in the
+    * stack.
+    *
+    * Along with any registers not in the stack (if one called ra_simplify()
+    * and didn't do optimistic coloring), these need to be considered for
+    * spilling.
+    */
+   unsigned int stack_optimistic_start;
 };
 
 /**
@@ -509,6 +519,7 @@ ra_optimistic_color(struct ra_graph *g)
 {
    unsigned int i;
 
+   g->stack_optimistic_start = g->stack_count;
    for (i = 0; i < g->count; i++) {
       if (g->nodes[i].in_stack || g->nodes[i].reg != NO_REG)
 	 continue;
@@ -587,8 +598,16 @@ ra_get_best_spill_node(struct ra_graph *g)
 {
    unsigned int best_node = -1;
    float best_benefit = 0.0;
-   unsigned int n;
+   unsigned int n, i;
 
+   /* For any registers not in the stack to be colored, consider them for
+    * spilling.  This will mostly collect nodes that were being optimistally
+    * colored as part of ra_allocate_no_spills() if we didn't successfully
+    * optimistically color.
+    *
+    * It also includes nodes not trivially colorable by ra_simplify() if it
+    * was used directly instead of as part of ra_allocate_no_spills().
+    */
    for (n = 0; n < g->count; n++) {
       float cost = g->nodes[n].spill_cost;
       float benefit;
@@ -596,10 +615,6 @@ ra_get_best_spill_node(struct ra_graph *g)
       if (cost <= 0.0)
 	 continue;
 
-      /* Only consider registers for spilling if they are still in the
-       * interference graph (those on the stack have already been proven to be
-       * allocatable without spilling).
-       */
       if (g->nodes[n].in_stack)
          continue;
 
@@ -611,6 +626,25 @@ ra_get_best_spill_node(struct ra_graph *g)
       }
    }
 
+   /* Also consider spilling any nodes that were set up to be optimistically
+    * colored that we couldn't manage to color in ra_select().
+    */
+   for (i = g->stack_optimistic_start; i < g->stack_count; i++) {
+      n = g->stack[i];
+      float cost = g->nodes[n].spill_cost;
+      float benefit;
+
+      if (cost <= 0.0)
+         continue;
+
+      benefit = ra_get_spill_benefit(g, n);
+
+      if (benefit / cost > best_benefit) {
+         best_benefit = benefit / cost;
+         best_node = n;
+      }
+   }
+
    return best_node;
 }
 
diff --git a/mesalib/src/mesa/state_tracker/st_format.c b/mesalib/src/mesa/state_tracker/st_format.c
index 56f3a4a48..16d977fc9 100644
--- a/mesalib/src/mesa/state_tracker/st_format.c
+++ b/mesalib/src/mesa/state_tracker/st_format.c
@@ -55,21 +55,21 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat)
 {
    switch (mesaFormat) {
    case MESA_FORMAT_RGBA8888:
-      return PIPE_FORMAT_A8B8G8R8_UNORM;
+      return PIPE_FORMAT_ABGR8888_UNORM;
    case MESA_FORMAT_RGBA8888_REV:
-      return PIPE_FORMAT_R8G8B8A8_UNORM;
+      return PIPE_FORMAT_RGBA8888_UNORM;
    case MESA_FORMAT_ARGB8888:
-      return PIPE_FORMAT_B8G8R8A8_UNORM;
+      return PIPE_FORMAT_BGRA8888_UNORM;
    case MESA_FORMAT_ARGB8888_REV:
-      return PIPE_FORMAT_A8R8G8B8_UNORM;
+      return PIPE_FORMAT_ARGB8888_UNORM;
    case MESA_FORMAT_RGBX8888:
-      return PIPE_FORMAT_X8B8G8R8_UNORM;
+      return PIPE_FORMAT_XBGR8888_UNORM;
    case MESA_FORMAT_RGBX8888_REV:
-      return PIPE_FORMAT_R8G8B8X8_UNORM;
+      return PIPE_FORMAT_RGBX8888_UNORM;
    case MESA_FORMAT_XRGB8888:
-      return PIPE_FORMAT_B8G8R8X8_UNORM;
+      return PIPE_FORMAT_BGRX8888_UNORM;
    case MESA_FORMAT_XRGB8888_REV:
-      return PIPE_FORMAT_X8R8G8B8_UNORM;
+      return PIPE_FORMAT_XRGB8888_UNORM;
    case MESA_FORMAT_ARGB1555:
       return PIPE_FORMAT_B5G5R5A1_UNORM;
    case MESA_FORMAT_ARGB4444:
@@ -401,21 +401,21 @@ gl_format
 st_pipe_format_to_mesa_format(enum pipe_format format)
 {
    switch (format) {
-   case PIPE_FORMAT_A8B8G8R8_UNORM:
+   case PIPE_FORMAT_ABGR8888_UNORM:
       return MESA_FORMAT_RGBA8888;
-   case PIPE_FORMAT_R8G8B8A8_UNORM:
+   case PIPE_FORMAT_RGBA8888_UNORM:
       return MESA_FORMAT_RGBA8888_REV;
-   case PIPE_FORMAT_B8G8R8A8_UNORM:
+   case PIPE_FORMAT_BGRA8888_UNORM:
       return MESA_FORMAT_ARGB8888;
-   case PIPE_FORMAT_A8R8G8B8_UNORM:
+   case PIPE_FORMAT_ARGB8888_UNORM:
       return MESA_FORMAT_ARGB8888_REV;
-   case PIPE_FORMAT_X8B8G8R8_UNORM:
+   case PIPE_FORMAT_XBGR8888_UNORM:
       return MESA_FORMAT_RGBX8888;
-   case PIPE_FORMAT_R8G8B8X8_UNORM:
+   case PIPE_FORMAT_RGBX8888_UNORM:
       return MESA_FORMAT_RGBX8888_REV;
-   case PIPE_FORMAT_B8G8R8X8_UNORM:
+   case PIPE_FORMAT_BGRX8888_UNORM:
       return MESA_FORMAT_XRGB8888;
-   case PIPE_FORMAT_X8R8G8B8_UNORM:
+   case PIPE_FORMAT_XRGB8888_UNORM:
       return MESA_FORMAT_XRGB8888_REV;
    case PIPE_FORMAT_B5G5R5A1_UNORM:
       return MESA_FORMAT_ARGB1555;
@@ -1521,12 +1521,12 @@ struct exact_format_mapping
 
 static const struct exact_format_mapping rgba8888_tbl[] =
 {
-   { GL_RGBA,     GL_UNSIGNED_INT_8_8_8_8,        PIPE_FORMAT_A8B8G8R8_UNORM },
-   { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV,    PIPE_FORMAT_A8B8G8R8_UNORM },
-   { GL_RGBA,     GL_UNSIGNED_INT_8_8_8_8_REV,    PIPE_FORMAT_R8G8B8A8_UNORM },
-   { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8,        PIPE_FORMAT_R8G8B8A8_UNORM },
-   { GL_BGRA,     GL_UNSIGNED_INT_8_8_8_8,        PIPE_FORMAT_A8R8G8B8_UNORM },
-   { GL_BGRA,     GL_UNSIGNED_INT_8_8_8_8_REV,    PIPE_FORMAT_B8G8R8A8_UNORM },
+   { GL_RGBA,     GL_UNSIGNED_INT_8_8_8_8,        PIPE_FORMAT_ABGR8888_UNORM },
+   { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV,    PIPE_FORMAT_ABGR8888_UNORM },
+   { GL_RGBA,     GL_UNSIGNED_INT_8_8_8_8_REV,    PIPE_FORMAT_RGBA8888_UNORM },
+   { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8,        PIPE_FORMAT_RGBA8888_UNORM },
+   { GL_BGRA,     GL_UNSIGNED_INT_8_8_8_8,        PIPE_FORMAT_ARGB8888_UNORM },
+   { GL_BGRA,     GL_UNSIGNED_INT_8_8_8_8_REV,    PIPE_FORMAT_BGRA8888_UNORM },
    { GL_RGBA,     GL_UNSIGNED_BYTE,               PIPE_FORMAT_R8G8B8A8_UNORM },
    { GL_ABGR_EXT, GL_UNSIGNED_BYTE,               PIPE_FORMAT_A8B8G8R8_UNORM },
    { GL_BGRA,     GL_UNSIGNED_BYTE,               PIPE_FORMAT_B8G8R8A8_UNORM },
@@ -1535,15 +1535,15 @@ static const struct exact_format_mapping rgba8888_tbl[] =
 
 static const struct exact_format_mapping rgbx8888_tbl[] =
 {
-   { GL_BGRA,     GL_UNSIGNED_INT_8_8_8_8,        PIPE_FORMAT_X8R8G8B8_UNORM },
-   { GL_BGRA,     GL_UNSIGNED_INT_8_8_8_8_REV,    PIPE_FORMAT_B8G8R8X8_UNORM },
-   { GL_BGRA,     GL_UNSIGNED_BYTE,               PIPE_FORMAT_B8G8R8X8_UNORM },
-   { GL_RGBA,     GL_UNSIGNED_INT_8_8_8_8,        PIPE_FORMAT_X8B8G8R8_UNORM },
-   { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV,    PIPE_FORMAT_X8B8G8R8_UNORM },
-   { GL_RGBA,     GL_UNSIGNED_INT_8_8_8_8_REV,    PIPE_FORMAT_R8G8B8X8_UNORM },
-   { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8,        PIPE_FORMAT_R8G8B8X8_UNORM },
+   { GL_RGBA,     GL_UNSIGNED_INT_8_8_8_8,        PIPE_FORMAT_XBGR8888_UNORM },
+   { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8_REV,    PIPE_FORMAT_XBGR8888_UNORM },
+   { GL_RGBA,     GL_UNSIGNED_INT_8_8_8_8_REV,    PIPE_FORMAT_RGBX8888_UNORM },
+   { GL_ABGR_EXT, GL_UNSIGNED_INT_8_8_8_8,        PIPE_FORMAT_RGBX8888_UNORM },
+   { GL_BGRA,     GL_UNSIGNED_INT_8_8_8_8,        PIPE_FORMAT_XRGB8888_UNORM },
+   { GL_BGRA,     GL_UNSIGNED_INT_8_8_8_8_REV,    PIPE_FORMAT_BGRX8888_UNORM },
    { GL_RGBA,     GL_UNSIGNED_BYTE,               PIPE_FORMAT_R8G8B8X8_UNORM },
    { GL_ABGR_EXT, GL_UNSIGNED_BYTE,               PIPE_FORMAT_X8B8G8R8_UNORM },
+   { GL_BGRA,     GL_UNSIGNED_BYTE,               PIPE_FORMAT_B8G8R8X8_UNORM },
    { 0,           0,                              0                          }
 };
 
diff --git a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index d6796d7a1..32bc2b37b 100644
--- a/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/mesalib/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -34,7 +34,6 @@
 #include "main/compiler.h"
 #include "ir.h"
 #include "ir_visitor.h"
-#include "ir_print_visitor.h"
 #include "ir_expression_flattening.h"
 #include "glsl_types.h"
 #include "glsl_parser_extras.h"
@@ -1396,9 +1395,9 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir)
       this->result.file = PROGRAM_UNDEFINED;
       ir->operands[operand]->accept(this);
       if (this->result.file == PROGRAM_UNDEFINED) {
-         ir_print_visitor v;
          printf("Failed to get tree for expression operand:\n");
-         ir->operands[operand]->accept(&v);
+         ir->operands[operand]->print();
+         printf("\n");
          exit(1);
       }
       op[operand] = this->result;
@@ -4995,7 +4994,6 @@ get_mesa_program(struct gl_context *ctx,
    glsl_to_tgsi_visitor* v;
    struct gl_program *prog;
    GLenum target;
-   const char *target_string;
    bool progress;
    struct gl_shader_compiler_options *options =
          &ctx->ShaderCompilerOptions[_mesa_shader_type_to_index(shader->Type)];
@@ -5006,17 +5004,14 @@ get_mesa_program(struct gl_context *ctx,
    case GL_VERTEX_SHADER:
       target = GL_VERTEX_PROGRAM_ARB;
       ptarget = PIPE_SHADER_VERTEX;
-      target_string = "vertex";
       break;
    case GL_FRAGMENT_SHADER:
       target = GL_FRAGMENT_PROGRAM_ARB;
       ptarget = PIPE_SHADER_FRAGMENT;
-      target_string = "fragment";
       break;
    case GL_GEOMETRY_SHADER:
       target = GL_GEOMETRY_PROGRAM_NV;
       ptarget = PIPE_SHADER_GEOMETRY;
-      target_string = "geometry";
       break;
    default:
       assert(!"should not be reached");
@@ -5106,7 +5101,8 @@ get_mesa_program(struct gl_context *ctx,
 
    if (ctx->Shader.Flags & GLSL_DUMP) {
       printf("\n");
-      printf("GLSL IR for linked %s program %d:\n", target_string,
+      printf("GLSL IR for linked %s program %d:\n",
+             _mesa_glsl_shader_target_name(shader->Type),
              shader_program->Name);
       _mesa_print_ir(shader->ir, NULL);
       printf("\n");
diff --git a/mesalib/src/mesa/state_tracker/st_manager.c b/mesalib/src/mesa/state_tracker/st_manager.c
index ec876087c..9c2b4d24e 100644
--- a/mesalib/src/mesa/state_tracker/st_manager.c
+++ b/mesalib/src/mesa/state_tracker/st_manager.c
@@ -431,8 +431,6 @@ st_framebuffer_create(struct st_framebuffer_iface *stfbi)
    stfb->stamp = 0;
    st_framebuffer_update_attachments(stfb);
 
-   stfb->Base.Initialized = GL_TRUE;
-
    return stfb;
 }