Compile out things irrelevant for target build, like ShaderGenerator when !HAVE_CG

panda/src/display/graphicsEngine.cxx

@@ -2001,9 +2001,11 @@ setup_scene(GraphicsStateGuardian *gsg, DisplayRegionPipelineReader *dr) {
   // to use.  We have to do this here because the ShaderGenerator
   // needs a host window pointer.  Hopefully we'll be able to
   // eliminate that requirement in the future.
+#ifdef HAVE_CG
   if (gsg->get_shader_generator() == NULL) {
     gsg->set_shader_generator(new ShaderGenerator(gsg, window));
   }
+#endif
 
   return scene_setup;
 }

panda/src/display/standardMunger.cxx

@@ -365,6 +365,7 @@ munge_state_impl(const RenderState *state) {
     munged_state = munged_state->remove_attrib(ColorScaleAttrib::get_class_slot());
   }
 
+#ifdef HAVE_CG
   if (_auto_shader) {
     CPT(RenderState) shader_state = munged_state->get_auto_shader_state();
     ShaderGenerator *shader_generator = get_gsg()->get_shader_generator();
@@ -379,6 +380,7 @@ munge_state_impl(const RenderState *state) {
     }
     munged_state = munged_state->set_attrib(shader_state->_generated_shader);
   }
+#endif
 
   return munged_state;
 }

panda/src/pgraphnodes/shaderGenerator.cxx

@@ -17,6 +17,7 @@
 ////////////////////////////////////////////////////////////////////
 
 #include "shaderGenerator.h"
+
 #include "renderState.h"
 #include "shaderAttrib.h"
 #include "auxBitplaneAttrib.h"
@@ -44,6 +45,8 @@
 
 TypeHandle ShaderGenerator::_type_handle;
 
+#ifdef HAVE_CG
+
 ////////////////////////////////////////////////////////////////////
 //     Function: ShaderGenerator::Constructor
 //       Access: Published
@@ -1636,3 +1639,5 @@ texture_type_as_string(Texture::TextureType ttype) {
       return "2D";
   }
 }
+
+#endif  // HAVE_CG

panda/src/pgraphnodes/shaderGenerator.h

@@ -17,6 +17,10 @@
 #define SHADERGENERATOR_H
 
 #include "pandabase.h"
+#include "typedReferenceCount.h"
+
+#ifdef HAVE_CG
+
 #include "graphicsStateGuardianBase.h"
 #include "graphicsOutputBase.h"
 #include "nodePath.h"
@@ -169,10 +173,34 @@ public:
   }
   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
 
- private:
+private:
+  static TypeHandle _type_handle;
+};
+
+#else
+
+// If we don't have Cg, let's replace this with a stub.
+class EXPCL_PANDA_PGRAPHNODES ShaderGenerator : public TypedReferenceCount {
+public:
+  static TypeHandle get_class_type() {
+    return _type_handle;
+  }
+  static void init_type() {
+    TypedObject::init_type();
+    register_type(_type_handle, "ShaderGenerator",
+                  TypedObject::get_class_type());
+  }
+  virtual TypeHandle get_type() const {
+    return get_class_type();
+  }
+  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
+
+private:
   static TypeHandle _type_handle;
 };
 
 #include "shaderGenerator.I"
 
+#endif  // HAVE_CG
+
 #endif  // SHADERGENERATOR_H

panda/src/pnmimage/convert_srgb.cxx

@@ -162,12 +162,4 @@ has_sse2_sRGB_encode() {
   return has_support;
 }
 
-#else
-// Other architectures don't support SSE2 at all.
-
-bool
-has_sse2_sRGB_encode() {
-  return false;
-}
-
 #endif  // __SSE2__

panda/src/pnmimage/convert_srgb.h

@@ -45,6 +45,7 @@ EXPCL_PANDA_PNMIMAGE INLINE void encode_sRGB_uchar(const LColorf &from,
 
 // Use these functions if you know that SSE2 support is available.
 // Otherwise, they will crash!
+#if defined(__SSE2__) || defined(__i386__) || defined(_M_IX86) || defined(_M_X64) || defined(_M_AMD64)
 EXPCL_PANDA_PNMIMAGE unsigned char encode_sRGB_uchar_sse2(float val);
 EXPCL_PANDA_PNMIMAGE void encode_sRGB_uchar_sse2(const LColorf &from,
                                                  xel &into);
@@ -53,6 +54,11 @@ EXPCL_PANDA_PNMIMAGE void encode_sRGB_uchar_sse2(const LColorf &from,
 
 // Use the following to find out if you can call either of the above.
 EXPCL_PANDA_PNMIMAGE bool has_sse2_sRGB_encode();
+#else
+// The target architecture can't support the SSE2 extension at all.
+#define encode_sRGB_uchar_sse2 encode_sRGB_uchar
+#define has_sse2_sRGB_encode() (false)
+#endif
 
 #include "convert_srgb.I"
 

panda/src/pnmimage/convert_srgb_sse2.cxx

@@ -127,10 +127,11 @@ encode_sRGB_uchar_sse2(const LColorf &color, xel &into, xelval &into_alpha) {
   into_alpha = _mm_extract_epi16(vals, 6);
 }
 
-#else
-// Somehow we're still compiling this without SSE2 support.  We'll
-// still have to define these functions, but emit a warning that the
-// build system isn't configured properly.
+#elif defined(__i386__) || defined(_M_IX86)
+// Somehow we're still compiling this without SSE2 support, even though the
+// target architecture could (in theory) support SSE2.  We still have to
+// define these functions, but emit a warning that the build system isn't
+// configured properly.
 #warning convert_srgb_sse2.cxx is being compiled without SSE2 support!
 
 unsigned char

panda/src/putil/bitMask.I

@@ -862,10 +862,8 @@ generate_hash(ChecksumHashGenerator &hashgen) const {
 ////////////////////////////////////////////////////////////////////
 template<class WType, int nbits>
 void BitMask<WType, nbits>::
-init_type() {
-  ostringstream str;
-  str << "BitMask" << num_bits;
-  register_type(_type_handle, str.str());
+init_type(const string &name) {
+  register_type(_type_handle, name);
 }
 
 ////////////////////////////////////////////////////////////////////

panda/src/putil/bitMask.h

@@ -144,7 +144,7 @@ public:
   static TypeHandle get_class_type() {
     return _type_handle;
   }
-  static void init_type();
+  static void init_type(const string &name);
 
 private:
   static TypeHandle _type_handle;

panda/src/putil/config_util.cxx

@@ -181,9 +181,9 @@ init_libputil() {
   BamReaderAuxData::init_type();
   BamReaderParam::init_type();
   BitArray::init_type();
-  BitMask16::init_type();
-  BitMask32::init_type();
-  BitMask64::init_type();
+  BitMask16::init_type("BitMask16");
+  BitMask32::init_type("BitMask32");
+  BitMask64::init_type("BitMask64");
   ButtonHandle::init_type();
   ButtonMap::init_type();
   CPointerCallbackObject::init_type();