Touch-ups for GLEW_OSMESA build support

.travis.yml

@@ -7,7 +7,9 @@ script:
 - make extensions
 - make dist-src
 - make clean; SYSTEM=linux        make 
+- make clean; SYSTEM=linux-osmesa make
 - pushd build/cmake; git clean -xdf .; cmake -G 'Unix Makefiles' .                ; make; popd
+- pushd build/cmake; git clean -xdf .; cmake -G 'Unix Makefiles' -DGLEW_OSMESA=1 .; make; popd
 addons:
   artifacts:
     bucket: glew

auto/Makefile

@@ -204,8 +204,7 @@ $(S.DEST)/glew.c: $(EXT)/.dummy
 	$(BIN)/make_list.pl $(GL_CORE_SPEC) | grep -v '\"GL_VERSION' >> $@
 	$(BIN)/make_list.pl $(GL_EXT_SPEC) >> $@
 	echo -e "\n  return GLEW_OK;\n}\n" >> $@
-	echo -e "\n#if defined(GLEW_OSMESA)" >> $@
+	echo -e "\n#if defined(_WIN32) && ! defined(GLEW_OSMESA)" >> $@
-	echo -e "\n#elif defined(_WIN32)" >> $@
 	echo -e "\n#if !defined(GLEW_MX)" >> $@
 	$(BIN)/make_def_fun.pl WGL $(WGL_EXT_SPEC) >> $@
 	$(BIN)/make_def_var.pl WGL $(WGL_EXT_SPEC) >> $@
@@ -214,7 +213,7 @@ $(S.DEST)/glew.c: $(EXT)/.dummy
 	cat $(SRC)/glew_init_wgl.c >> $@
 	$(BIN)/make_list.pl $(WGL_EXT_SPEC) >> $@
 	echo -e "\n  return GLEW_OK;\n}" >> $@;
-	echo -e "\n#elif !defined(__ANDROID__) && !defined(__native_client__) && !defined(__HAIKU__) && (!defined(__APPLE__) || defined(GLEW_APPLE_GLX))" >> $@
+	echo -e "\n#elif !defined(GLEW_OSMESA) && !defined(__ANDROID__) && !defined(__native_client__) && !defined(__HAIKU__) && (!defined(__APPLE__) || defined(GLEW_APPLE_GLX))" >> $@
 	$(BIN)/make_def_fun.pl GLX $(GLX_CORE_SPEC) >> $@
 	$(BIN)/make_def_fun.pl GLX $(GLX_EXT_SPEC) >> $@
 	echo -e "\n#if !defined(GLEW_MX)" >> $@;

auto/src/glew_head.c

@@ -140,10 +140,10 @@ void* NSGLGetProcAddress (const GLubyte *name)
 /*
  * Define glewGetProcAddress.
  */
-#if defined(GLEW_OSMESA)
+#if defined(GLEW_REGAL)
-#  define glewGetProcAddress(name) OSMesaGetProcAddress((const char *)name)
-#elif defined(GLEW_REGAL)
 #  define glewGetProcAddress(name) regalGetProcAddress((const GLchar *)name)
+#elif defined(GLEW_OSMESA)
+#  define glewGetProcAddress(name) OSMesaGetProcAddress((const char *)name)
 #elif defined(_WIN32)
 #  define glewGetProcAddress(name) wglGetProcAddress((LPCSTR)name)
 #elif defined(__APPLE__) && !defined(GLEW_APPLE_GLX)

auto/src/glew_init_tail.c

@@ -39,11 +39,11 @@ GLenum GLEWAPIENTRY glewInit (void)
   GLenum r;
   r = glewContextInit();
   if ( r != 0 ) return r;
-#if defined(GLEW_OSMESA)
+#if defined(GLEW_OSMESA) || defined(__ANDROID__) || defined(__native_client__) || defined(__HAIKU__)
   return r;
-#if defined(_WIN32)
+#elif defined(_WIN32)
   return wglewInit();
-#elif !defined(__ANDROID__) && !defined(__native_client__) && !defined(__HAIKU__) && (!defined(__APPLE__) || defined(GLEW_APPLE_GLX)) /* _UNIX */
+#elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX) /* _UNIX */
   return glxewInit();
 #else
   return r;

auto/src/glew_str_glx.c

@@ -4,7 +4,7 @@
   return ret;
 }
 
-#elif !defined(__ANDROID__) && !defined(__native_client__) && !defined(__HAIKU__) && !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
+#elif !defined(GLEW_OSMESA) && !defined(__ANDROID__) && !defined(__native_client__) && !defined(__HAIKU__) && !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
 
 #if defined(GLEW_MX)
 GLboolean glxewContextIsSupported (const GLXEWContext* ctx, const char* name)

auto/src/glew_str_wgl.c

@@ -4,8 +4,7 @@
   return ret;
 }
 
-#if defined(GLEW_OSMESA)
+#if defined(_WIN32) && !defined(GLEW_OSMESA)
-#elif defined(_WIN32)
 
 #if defined(GLEW_MX)
 GLboolean GLEWAPIENTRY wglewContextIsSupported (const WGLEWContext* ctx, const char* name)

auto/src/glewinfo_glx.c

@@ -1,6 +1,6 @@
 }
 
-#else /* _UNIX */
+#elif !defined(GLEW_OSMESA) /* _UNIX */
 
 static void glxewInfo ()
 {

auto/src/glewinfo_head.c

@@ -24,11 +24,10 @@ static FILE* f;
 #ifdef GLEW_MX
 GLEWContext _glewctx;
 #define glewGetContext() (&_glewctx)
-#if defined(GLEW_OSMESA)
+#if defined(_WIN32)
-#elif defined(_WIN32)
 WGLEWContext _wglewctx;
 #define wglewGetContext() (&_wglewctx)
-#elif !defined(__APPLE__) && !defined(__HAIKU__) || defined(GLEW_APPLE_GLX)
+#elif !defined(GLEW_OSMESA) && !defined(__APPLE__) && !defined(__HAIKU__) || defined(GLEW_APPLE_GLX)
 GLXEWContext _glxewctx;
 #define glxewGetContext() (&_glxewctx)
 #endif

auto/src/glewinfo_tail.c

@@ -129,7 +129,8 @@ GLboolean glewParseArgs (int argc, char** argv, struct createParams *params)
       else return GL_TRUE;
       ++p;
     }
-#if defined(_WIN32)
+#if defined(GLEW_OSMESA)
+#elif defined(_WIN32)
     else if (!strcmp(argv[p], "-pf") || !strcmp(argv[p], "-pixelformat"))
     {
       if (++p >= argc) return GL_TRUE;
@@ -158,7 +159,7 @@ GLboolean glewParseArgs (int argc, char** argv, struct createParams *params)
 #if defined(GLEW_OSMESA)
 OSMesaContext ctx;
 
-GLboolean glewCreateContext ()
+GLboolean glewCreateContext (struct createParams *params)
 {
   ctx = OSMesaCreateContext(OSMESA_RGBA, NULL);
   if (NULL == ctx) return GL_TRUE;

auto/src/glewinfo_wgl.c

@@ -2,8 +2,7 @@
 
 /* ------------------------------------------------------------------------ */
 
-#if defined(GLEW_OSMESA)
+#if defined(_WIN32) && !defined(GLEW_OSMESA)
-#elif defined(_WIN32)
 
 static void wglewInfo ()
 {

build/cmake/CMakeLists.txt

@@ -14,6 +14,7 @@ set(CMAKE_DEBUG_POSTFIX d)
 
 option (BUILD_UTILS "utilities" ON)
 option (GLEW_REGAL "Regal mode" FALSE)
+option (GLEW_OSMESA "OSMesa mode" FALSE)
 
 set (GLEW_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../..)
 
@@ -54,6 +55,18 @@ if (GLEW_REGAL)
   set (GLEW_LIBRARIES ${REGAL_LIB_NAME})
 endif ()
 
+#### OSMesa mode ####
+
+if (GLEW_OSMESA)
+  if (WIN32)
+    set (OSMESA_LIB_NAME osmesa)
+  else ()
+    set (OSMESA_LIB_NAME OSMesa)
+  endif ()
+  add_definitions (-DGLEW_OSMESA)
+  set (GLEW_LIBRARIES ${OSMESA_LIB_NAME} ${OPENGL_LIBRARIES})
+endif ()
+
 #### GLEW ####
 
 include_directories (${GLEW_DIR}/include)

config/Makefile.linux-osmesa

@@ -1,36 +1,4 @@
-NAME = $(GLEW_NAME)
+include config/Makefile.linux
-CC = cc
+
-LD = cc
-M_ARCH ?= $(shell uname -m)
-ARCH64 = false
-ifeq (x86_64,${M_ARCH})
-  ARCH64 = true
-endif
-ifeq (ppc64,${M_ARCH})
-  ARCH64 = true
-endif
-ifeq (${ARCH64},true)
-  LDFLAGS.EXTRA = -L/usr/lib64
-  LIBDIR = $(GLEW_DEST)/lib64
-else
-  LDFLAGS.EXTRA = -L/usr/lib
-  LIBDIR = $(GLEW_DEST)/lib
-endif
 LDFLAGS.GL = -lOSMesa
-LDFLAGS.STATIC = -Wl,-Bstatic
+CFLAGS.EXTRA += -DGLEW_OSMESA
-LDFLAGS.DYNAMIC = -Wl,-Bdynamic
-NAME = GLEW
-WARN = -Wall -W
-POPT = -O2
-CFLAGS.EXTRA += -fPIC -DGLEW_OSMESA
-BIN.SUFFIX =
-LIB.SONAME = lib$(NAME).so.$(SO_MAJOR)
-LIB.DEVLNK = lib$(NAME).so
-LIB.SHARED = lib$(NAME).so.$(SO_VERSION)
-LIB.STATIC = lib$(NAME).a
-LDFLAGS.SO = -shared -Wl,-soname=$(LIB.SONAME)
-LIB.SONAME.MX = lib$(NAME)mx.so.$(SO_MAJOR)
-LIB.DEVLNK.MX = lib$(NAME)mx.so
-LIB.SHARED.MX = lib$(NAME)mx.so.$(SO_VERSION)
-LIB.STATIC.MX = lib$(NAME)mx.a
-LDFLAGS.SO.MX = -shared -Wl,-soname=$(LIB.SONAME.MX)

src/visualinfo.c

@@ -264,7 +264,14 @@ void PrintExtensions (const char* s)
 
 /* ---------------------------------------------------------------------- */
 
-#if defined(_WIN32)
+#if defined(GLEW_OSMESA)
+
+void
+VisualInfo (GLContext* ctx)
+{
+}
+
+#elif defined(_WIN32)
 
 void
 VisualInfoARB (GLContext* ctx)