Merged origin/release (checked in because wanted to merge new stuff)

19 files changed, 136 insertions, 229 deletions

diff --git a/mesalib/src/mesa/program/Android.mk b/mesalib/src/mesa/program/Android.mk
index 19c4be0fe..a237b65bc 100644
--- a/mesalib/src/mesa/program/Android.mk
+++ b/mesalib/src/mesa/program/Android.mk
@@ -39,8 +39,6 @@ endef
 # Import the following variables:
 #     PROGRAM_FILES
 include $(MESA_TOP)/src/mesa/Makefile.sources
-SRCDIR :=
-BUILDDIR :=
 
 include $(CLEAR_VARS)
 
diff --git a/mesalib/src/mesa/program/arbprogparse.c b/mesalib/src/mesa/program/arbprogparse.c
index 7dec399a5..53a6f37cb 100644
--- a/mesalib/src/mesa/program/arbprogparse.c
+++ b/mesalib/src/mesa/program/arbprogparse.c
@@ -85,9 +85,6 @@ _mesa_parse_arb_fragment_program(struct gl_context* ctx, GLenum target,
       return;
    }
 
-   if ((ctx->_Shader->Flags & GLSL_NO_OPT) == 0)
-      _mesa_optimize_program(ctx, &prog);
-
    free(program->Base.String);
 
    /* Copy the relevant contents of the arb_program struct into the
diff --git a/mesalib/src/mesa/program/hash_table.h b/mesalib/src/mesa/program/hash_table.h
index b814497a6..6122b1f8a 100644
--- a/mesalib/src/mesa/program/hash_table.h
+++ b/mesalib/src/mesa/program/hash_table.h
@@ -199,6 +199,11 @@ string_to_uint_map_dtor(struct string_to_uint_map *);
 #ifdef __cplusplus
 }
 
+struct string_map_iterate_wrapper_closure {
+   void (*callback)(const char *key, unsigned value, void *closure);
+   void *closure;
+};
+
 /**
  * Map from a string (name) to an unsigned integer value
  *
@@ -230,6 +235,24 @@ public:
    }
 
    /**
+    * Runs a passed callback for the hash
+    */
+   void iterate(void (*func)(const char *, unsigned, void *), void *closure)
+   {
+      struct string_map_iterate_wrapper_closure *wrapper;
+
+      wrapper = (struct string_map_iterate_wrapper_closure *)
+         malloc(sizeof(struct string_map_iterate_wrapper_closure));
+      if (wrapper == NULL)
+         return;
+
+      wrapper->callback = func;
+      wrapper->closure = closure;
+
+      hash_table_call_foreach(this->ht, subtract_one_wrapper, wrapper);
+   }
+
+   /**
     * Get the value associated with a particular key
     *
     * \return
@@ -282,6 +305,17 @@ private:
       free((char *)key);
    }
 
+   static void subtract_one_wrapper(const void *key, void *data, void *closure)
+   {
+      struct string_map_iterate_wrapper_closure *wrapper =
+         (struct string_map_iterate_wrapper_closure *) closure;
+      unsigned value = (intptr_t) data;
+
+      value -= 1;
+
+      wrapper->callback((const char *) key, value, wrapper->closure);
+   }
+
    struct hash_table *ht;
 };
 
diff --git a/mesalib/src/mesa/program/ir_to_mesa.cpp b/mesalib/src/mesa/program/ir_to_mesa.cpp
index 5cd905822..b2776da45 100644
--- a/mesalib/src/mesa/program/ir_to_mesa.cpp
+++ b/mesalib/src/mesa/program/ir_to_mesa.cpp
@@ -43,19 +43,18 @@
 #include "linker.h"
 
 #include "main/mtypes.h"
+#include "main/shaderapi.h"
 #include "main/shaderobj.h"
 #include "main/uniforms.h"
-#include "program/hash_table.h"
 
-extern "C" {
-#include "main/shaderapi.h"
+#include "program/hash_table.h"
 #include "program/prog_instruction.h"
 #include "program/prog_optimize.h"
 #include "program/prog_print.h"
 #include "program/program.h"
 #include "program/prog_parameter.h"
 #include "program/sampler.h"
-}
+
 
 static int swizzle_for_size(int size);
 
@@ -607,6 +606,20 @@ type_size(const struct glsl_type *type)
 	  */
 	 return 1;
       }
+      break;
+   case GLSL_TYPE_DOUBLE:
+      if (type->is_matrix()) {
+         if (type->vector_elements > 2)
+            return type->matrix_columns * 2;
+         else
+            return type->matrix_columns;
+      } else {
+         if (type->vector_elements > 2)
+            return 2;
+         else
+            return 1;
+      }
+      break;
    case GLSL_TYPE_ARRAY:
       assert(type->length > 0);
       return type_size(type->fields.array) * type->length;
@@ -1153,7 +1166,7 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
       assert(!"not reached: should be handled by ir_div_to_mul_rcp");
       break;
    case ir_binop_mod:
-      /* Floating point should be lowered by MOD_TO_FRACT in the compiler. */
+      /* Floating point should be lowered by MOD_TO_FLOOR in the compiler. */
       assert(ir->type->is_integer());
       emit(ir, OPCODE_MUL, result_dst, op[0], op[1]);
       break;
@@ -1349,6 +1362,7 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
    case ir_unop_pack_unorm_2x16:
    case ir_unop_pack_unorm_4x8:
    case ir_unop_pack_half_2x16:
+   case ir_unop_pack_double_2x32:
    case ir_unop_unpack_snorm_2x16:
    case ir_unop_unpack_snorm_4x8:
    case ir_unop_unpack_unorm_2x16:
@@ -1356,11 +1370,21 @@ ir_to_mesa_visitor::visit(ir_expression *ir)
    case ir_unop_unpack_half_2x16:
    case ir_unop_unpack_half_2x16_split_x:
    case ir_unop_unpack_half_2x16_split_y:
+   case ir_unop_unpack_double_2x32:
    case ir_binop_pack_half_2x16_split:
    case ir_unop_bitfield_reverse:
    case ir_unop_bit_count:
    case ir_unop_find_msb:
    case ir_unop_find_lsb:
+   case ir_unop_d2f:
+   case ir_unop_f2d:
+   case ir_unop_d2i:
+   case ir_unop_i2d:
+   case ir_unop_d2u:
+   case ir_unop_u2d:
+   case ir_unop_d2b:
+   case ir_unop_frexp_sig:
+   case ir_unop_frexp_exp:
       assert(!"not supported");
       break;
    case ir_binop_min:
@@ -1450,6 +1474,7 @@ ir_to_mesa_visitor::visit(ir_swizzle *ir)
    ir->val->accept(this);
    src = this->result;
    assert(src.file != PROGRAM_UNDEFINED);
+   assert(ir->type->vector_elements > 0);
 
    for (i = 0; i < 4; i++) {
       if (i < ir->type->vector_elements) {
@@ -2385,6 +2410,8 @@ add_uniform_to_shader::visit_field(const glsl_type *type, const char *name,
 
    if (type->is_vector() || type->is_scalar()) {
       size = type->vector_elements;
+      if (type->is_double())
+         size *= 2;
    } else {
       size = type_size(type) * 4;
    }
@@ -2489,6 +2516,7 @@ _mesa_associate_uniform_storage(struct gl_context *ctx,
 	 enum gl_uniform_driver_format format = uniform_native;
 
 	 unsigned columns = 0;
+	 int dmul = 4 * sizeof(float);
 	 switch (storage->type->base_type) {
 	 case GLSL_TYPE_UINT:
 	    assert(ctx->Const.NativeIntegers);
@@ -2500,6 +2528,11 @@ _mesa_associate_uniform_storage(struct gl_context *ctx,
 	       (ctx->Const.NativeIntegers) ? uniform_native : uniform_int_float;
 	    columns = 1;
 	    break;
+
+	 case GLSL_TYPE_DOUBLE:
+	    if (storage->type->vector_elements > 2)
+               dmul *= 2;
+	    /* fallthrough */
 	 case GLSL_TYPE_FLOAT:
 	    format = uniform_native;
 	    columns = storage->type->matrix_columns;
@@ -2524,8 +2557,8 @@ _mesa_associate_uniform_storage(struct gl_context *ctx,
 	 }
 
 	 _mesa_uniform_attach_driver_storage(storage,
-					     4 * sizeof(float) * columns,
-					     4 * sizeof(float),
+					     dmul * columns,
+					     dmul,
 					     format,
 					     &params->ParameterValues[i]);
 
@@ -2943,12 +2976,9 @@ _mesa_ir_link_shader(struct gl_context *ctx, struct gl_shader_program *prog)
 
 	 /* Lowering */
 	 do_mat_op_to_vec(ir);
-	 GLenum target = _mesa_shader_stage_to_program(prog->_LinkedShaders[i]->Stage);
-	 lower_instructions(ir, (MOD_TO_FRACT | DIV_TO_MUL_RCP | EXP_TO_EXP2
+	 lower_instructions(ir, (MOD_TO_FLOOR | DIV_TO_MUL_RCP | EXP_TO_EXP2
 				 | LOG_TO_LOG2 | INT_DIV_TO_MUL_RCP
-				 | ((options->EmitNoPow) ? POW_TO_EXP2 : 0)
-				 | ((target == GL_VERTEX_PROGRAM_ARB) ? SAT_TO_CLAMP
-                                    : 0)));
+				 | ((options->EmitNoPow) ? POW_TO_EXP2 : 0)));
 
 	 progress = do_lower_jumps(ir, true, true, options->EmitNoMainReturn, options->EmitNoCont, options->EmitNoLoops) || progress;
 
diff --git a/mesalib/src/mesa/program/prog_cache.h b/mesalib/src/mesa/program/prog_cache.h
index fdd7e264b..e37f1d7be 100644
--- a/mesalib/src/mesa/program/prog_cache.h
+++ b/mesalib/src/mesa/program/prog_cache.h
@@ -32,6 +32,12 @@
 
 #include "main/glheader.h"
 
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
 struct gl_context;
 
 /** Opaque type */
@@ -65,4 +71,9 @@ _mesa_shader_cache_insert(struct gl_context *ctx,
 			  struct gl_shader_program *program);
 
 
+#ifdef __cplusplus
+}
+#endif
+
+
 #endif /* PROG_CACHE_H */
diff --git a/mesalib/src/mesa/program/prog_execute.c b/mesalib/src/mesa/program/prog_execute.c
index 650c40f2a..b2fbc808a 100644
--- a/mesalib/src/mesa/program/prog_execute.c
+++ b/mesalib/src/mesa/program/prog_execute.c
@@ -123,7 +123,7 @@ get_src_register_pointer(const struct prog_src_register *source,
       return (GLfloat *) prog->Parameters->ParameterValues[reg];
 
    case PROGRAM_SYSTEM_VALUE:
-      assert(reg < Elements(machine->SystemValues));
+      assert(reg < (GLint) Elements(machine->SystemValues));
       return machine->SystemValues[reg];
 
    default:
@@ -298,15 +298,6 @@ fetch_vector1(const struct prog_src_register *source,
 }
 
 
-static GLuint
-fetch_vector1ui(const struct prog_src_register *source,
-                const struct gl_program_machine *machine)
-{
-   const GLuint *src = (GLuint *) get_src_register_pointer(source, machine);
-   return src[GET_SWZ(source->Swizzle, 0)];
-}
-
-
 /**
  * Fetch texel from texture.  Use partial derivatives when possible.
  */
@@ -488,71 +479,6 @@ store_vector4(const struct prog_instruction *inst,
 
 
 /**
- * Store 4 uints into a register.  Observe the set-condition-code flags.
- */
-static void
-store_vector4ui(const struct prog_instruction *inst,
-                struct gl_program_machine *machine, const GLuint value[4])
-{
-   const struct prog_dst_register *dstReg = &(inst->DstReg);
-   GLuint writeMask = dstReg->WriteMask;
-   GLuint *dst = (GLuint *) get_dst_register_pointer(dstReg, machine);
-
-   if (dstReg->CondMask != COND_TR) {
-      /* condition codes may turn off some writes */
-      if (writeMask & WRITEMASK_X) {
-         if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 0)],
-                      dstReg->CondMask))
-            writeMask &= ~WRITEMASK_X;
-      }
-      if (writeMask & WRITEMASK_Y) {
-         if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 1)],
-                      dstReg->CondMask))
-            writeMask &= ~WRITEMASK_Y;
-      }
-      if (writeMask & WRITEMASK_Z) {
-         if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 2)],
-                      dstReg->CondMask))
-            writeMask &= ~WRITEMASK_Z;
-      }
-      if (writeMask & WRITEMASK_W) {
-         if (!test_cc(machine->CondCodes[GET_SWZ(dstReg->CondSwizzle, 3)],
-                      dstReg->CondMask))
-            writeMask &= ~WRITEMASK_W;
-      }
-   }
-
-   if (writeMask & WRITEMASK_X)
-      dst[0] = value[0];
-   if (writeMask & WRITEMASK_Y)
-      dst[1] = value[1];
-   if (writeMask & WRITEMASK_Z)
-      dst[2] = value[2];
-   if (writeMask & WRITEMASK_W)
-      dst[3] = value[3];
-
-   if (inst->CondUpdate) {
-      if (writeMask & WRITEMASK_X)
-         machine->CondCodes[0] = generate_cc((float)value[0]);
-      if (writeMask & WRITEMASK_Y)
-         machine->CondCodes[1] = generate_cc((float)value[1]);
-      if (writeMask & WRITEMASK_Z)
-         machine->CondCodes[2] = generate_cc((float)value[2]);
-      if (writeMask & WRITEMASK_W)
-         machine->CondCodes[3] = generate_cc((float)value[3]);
-#if DEBUG_PROG
-      printf("CondCodes=(%s,%s,%s,%s) for:\n",
-             _mesa_condcode_string(machine->CondCodes[0]),
-             _mesa_condcode_string(machine->CondCodes[1]),
-             _mesa_condcode_string(machine->CondCodes[2]),
-             _mesa_condcode_string(machine->CondCodes[3]));
-#endif
-   }
-}
-
-
-
-/**
  * Execute the given vertex/fragment program.
  *
  * \param ctx  rendering context
@@ -1334,7 +1260,6 @@ _mesa_execute_program(struct gl_context * ctx,
                else if (swz == SWIZZLE_ONE)
                   result[i] = 1.0;
                else {
-                  ASSERT(swz >= 0);
                   ASSERT(swz <= 3);
                   result[i] = src[swz];
                }
diff --git a/mesalib/src/mesa/program/prog_hash_table.c b/mesalib/src/mesa/program/prog_hash_table.c
index 2445d8434..5592b6fb8 100644
--- a/mesalib/src/mesa/program/prog_hash_table.c
+++ b/mesalib/src/mesa/program/prog_hash_table.c
@@ -29,7 +29,7 @@
  */
 
 #include "main/imports.h"
-#include "main/simple_list.h"
+#include "util/simple_list.h"
 #include "hash_table.h"
 
 struct node {
diff --git a/mesalib/src/mesa/program/prog_instruction.c b/mesalib/src/mesa/program/prog_instruction.c
index 976024e3c..254c0128f 100644
--- a/mesalib/src/mesa/program/prog_instruction.c
+++ b/mesalib/src/mesa/program/prog_instruction.c
@@ -75,29 +75,6 @@ _mesa_alloc_instructions(GLuint numInst)
 
 
 /**
- * Reallocate memory storing an array of program instructions.
- * This is used when we need to append additional instructions onto an
- * program.
- * \param oldInst  pointer to first of old/src instructions
- * \param numOldInst  number of instructions at <oldInst>
- * \param numNewInst  desired size of new instruction array.
- * \return  pointer to start of new instruction array.
- */
-struct prog_instruction *
-_mesa_realloc_instructions(struct prog_instruction *oldInst,
-                           GLuint numOldInst, GLuint numNewInst)
-{
-   struct prog_instruction *newInst;
-
-   newInst = (struct prog_instruction *)
-      realloc(oldInst,
-              numNewInst * sizeof(struct prog_instruction));
-
-   return newInst;
-}
-
-
-/**
  * Copy an array of program instructions.
  * \param dest  pointer to destination.
  * \param src  pointer to source.
diff --git a/mesalib/src/mesa/program/prog_instruction.h b/mesalib/src/mesa/program/prog_instruction.h
index de7880499..0957bd9d7 100644
--- a/mesalib/src/mesa/program/prog_instruction.h
+++ b/mesalib/src/mesa/program/prog_instruction.h
@@ -385,10 +385,6 @@ extern struct prog_instruction *
 _mesa_alloc_instructions(GLuint numInst);
 
 extern struct prog_instruction *
-_mesa_realloc_instructions(struct prog_instruction *oldInst,
-                           GLuint numOldInst, GLuint numNewInst);
-
-extern struct prog_instruction *
 _mesa_copy_instructions(struct prog_instruction *dest,
                         const struct prog_instruction *src, GLuint n);
 
diff --git a/mesalib/src/mesa/program/prog_optimize.c b/mesalib/src/mesa/program/prog_optimize.c
index 60530ebf0..65d427cb4 100644
--- a/mesalib/src/mesa/program/prog_optimize.c
+++ b/mesalib/src/mesa/program/prog_optimize.c
@@ -408,7 +408,7 @@ find_next_use(const struct gl_program *prog,
             for (j = 0; j < numSrc; j++) {
                if (inst->SrcReg[j].RelAddr ||
                    (inst->SrcReg[j].File == PROGRAM_TEMPORARY &&
-                   inst->SrcReg[j].Index == index &&
+                   inst->SrcReg[j].Index == (GLint)index &&
                    (get_src_arg_mask(inst,j,NO_MASK) & mask)))
                   return READ;
             }
@@ -944,7 +944,7 @@ update_interval(GLint intBegin[], GLint intEnd[],
 		struct loop_info *loopStack, GLuint loopStackDepth,
 		GLuint index, GLuint ic)
 {
-   int i;
+   unsigned i;
    GLuint begin = ic;
    GLuint end = ic;
 
diff --git a/mesalib/src/mesa/program/prog_optimize.h b/mesalib/src/mesa/program/prog_optimize.h
index 7607bffdd..1f20ac0f8 100644
--- a/mesalib/src/mesa/program/prog_optimize.h
+++ b/mesalib/src/mesa/program/prog_optimize.h
@@ -29,6 +29,11 @@
 #include "main/glheader.h"
 
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
 struct gl_context;
 struct gl_program;
 struct prog_instruction;
@@ -46,4 +51,10 @@ _mesa_optimize_program(struct gl_context *ctx, struct gl_program *program);
 extern GLboolean
 _mesa_constant_fold(struct gl_program *prog);
 
+
+#ifdef __cplusplus
+}
+#endif
+
+
 #endif
diff --git a/mesalib/src/mesa/program/prog_parameter.c b/mesalib/src/mesa/program/prog_parameter.c
index 896c6052b..0ef46415d 100644
--- a/mesalib/src/mesa/program/prog_parameter.c
+++ b/mesalib/src/mesa/program/prog_parameter.c
@@ -120,7 +120,7 @@ _mesa_add_parameter(struct gl_program_parameter_list *paramList,
       paramList->Size = paramList->Size + 4 * sz4;
 
       /* realloc arrays */
-      paramList->Parameters = (struct gl_program_parameter *)
+      paramList->Parameters =
          realloc(paramList->Parameters,
                  paramList->Size * sizeof(struct gl_program_parameter));
 
diff --git a/mesalib/src/mesa/program/prog_print.c b/mesalib/src/mesa/program/prog_print.c
index 4a5c1c1fb..3f499749a 100644
--- a/mesalib/src/mesa/program/prog_print.c
+++ b/mesalib/src/mesa/program/prog_print.c
@@ -82,7 +82,7 @@ _mesa_register_file_name(gl_register_file f)
  * Return ARB_v/f_prog-style input attrib string.
  */
 static const char *
-arb_input_attrib_string(GLint index, GLenum progType)
+arb_input_attrib_string(GLuint index, GLenum progType)
 {
    /*
     * These strings should match the VERT_ATTRIB_x and VARYING_SLOT_x tokens.
@@ -242,7 +242,7 @@ _mesa_print_fp_inputs(GLbitfield inputs)
  * Return ARB_v/f_prog-style output attrib string.
  */
 static const char *
-arb_output_attrib_string(GLint index, GLenum progType)
+arb_output_attrib_string(GLuint index, GLenum progType)
 {
    /*
     * These strings should match the VARYING_SLOT_x and FRAG_RESULT_x tokens.
diff --git a/mesalib/src/mesa/program/prog_print.h b/mesalib/src/mesa/program/prog_print.h
index cd61568e9..9058dfa76 100644
--- a/mesalib/src/mesa/program/prog_print.h
+++ b/mesalib/src/mesa/program/prog_print.h
@@ -31,6 +31,12 @@
 #include "main/glheader.h"
 #include "main/mtypes.h"
 
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
 struct gl_program;
 struct gl_program_parameter_list;
 struct gl_shader;
@@ -115,4 +121,9 @@ extern void
 _mesa_append_uniforms_to_file(const struct gl_shader *shader);
 
 
+#ifdef __cplusplus
+}
+#endif
+
+
 #endif /* PROG_PRINT_H */
diff --git a/mesalib/src/mesa/program/prog_statevars.c b/mesalib/src/mesa/program/prog_statevars.c
index be5ddb106..7f5daf8c6 100644
--- a/mesalib/src/mesa/program/prog_statevars.c
+++ b/mesalib/src/mesa/program/prog_statevars.c
@@ -295,9 +295,7 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
          const gl_state_index modifier = state[4];
          const GLfloat *m;
          GLuint row, i;
-         ASSERT(firstRow >= 0);
          ASSERT(firstRow < 4);
-         ASSERT(lastRow >= 0);
          ASSERT(lastRow < 4);
          if (mat == STATE_MODELVIEW_MATRIX) {
             matrix = ctx->ModelviewMatrixStack.Top;
diff --git a/mesalib/src/mesa/program/programopt.c b/mesalib/src/mesa/program/programopt.c
index b654b1db6..fdaa4a465 100644
--- a/mesalib/src/mesa/program/programopt.c
+++ b/mesalib/src/mesa/program/programopt.c
@@ -589,94 +589,3 @@ _mesa_remove_output_reads(struct gl_program *prog, gl_register_file type)
       }
    }
 }
-
-
-/**
- * Make the given fragment program into a "no-op" shader.
- * Actually, just copy the incoming fragment color (or texcoord)
- * to the output color.
- * This is for debug/test purposes.
- */
-void
-_mesa_nop_fragment_program(struct gl_context *ctx, struct gl_fragment_program *prog)
-{
-   struct prog_instruction *inst;
-   GLuint inputAttr;
-
-   inst = _mesa_alloc_instructions(2);
-   if (!inst) {
-      _mesa_error(ctx, GL_OUT_OF_MEMORY, "_mesa_nop_fragment_program");
-      return;
-   }
-
-   _mesa_init_instructions(inst, 2);
-
-   inst[0].Opcode = OPCODE_MOV;
-   inst[0].DstReg.File = PROGRAM_OUTPUT;
-   inst[0].DstReg.Index = FRAG_RESULT_COLOR;
-   inst[0].SrcReg[0].File = PROGRAM_INPUT;
-   if (prog->Base.InputsRead & VARYING_BIT_COL0)
-      inputAttr = VARYING_SLOT_COL0;
-   else
-      inputAttr = VARYING_SLOT_TEX0;
-   inst[0].SrcReg[0].Index = inputAttr;
-
-   inst[1].Opcode = OPCODE_END;
-
-   _mesa_free_instructions(prog->Base.Instructions,
-                           prog->Base.NumInstructions);
-
-   prog->Base.Instructions = inst;
-   prog->Base.NumInstructions = 2;
-   prog->Base.InputsRead = BITFIELD64_BIT(inputAttr);
-   prog->Base.OutputsWritten = BITFIELD64_BIT(FRAG_RESULT_COLOR);
-}
-
-
-/**
- * \sa _mesa_nop_fragment_program
- * Replace the given vertex program with a "no-op" program that just
- * transforms vertex position and emits color.
- */
-void
-_mesa_nop_vertex_program(struct gl_context *ctx, struct gl_vertex_program *prog)
-{
-   struct prog_instruction *inst;
-   GLuint inputAttr;
-
-   /*
-    * Start with a simple vertex program that emits color.
-    */
-   inst = _mesa_alloc_instructions(2);
-   if (!inst) {
-      _mesa_error(ctx, GL_OUT_OF_MEMORY, "_mesa_nop_vertex_program");
-      return;
-   }
-
-   _mesa_init_instructions(inst, 2);
-
-   inst[0].Opcode = OPCODE_MOV;
-   inst[0].DstReg.File = PROGRAM_OUTPUT;
-   inst[0].DstReg.Index = VARYING_SLOT_COL0;
-   inst[0].SrcReg[0].File = PROGRAM_INPUT;
-   if (prog->Base.InputsRead & VERT_BIT_COLOR0)
-      inputAttr = VERT_ATTRIB_COLOR0;
-   else
-      inputAttr = VERT_ATTRIB_TEX0;
-   inst[0].SrcReg[0].Index = inputAttr;
-
-   inst[1].Opcode = OPCODE_END;
-
-   _mesa_free_instructions(prog->Base.Instructions,
-                           prog->Base.NumInstructions);
-
-   prog->Base.Instructions = inst;
-   prog->Base.NumInstructions = 2;
-   prog->Base.InputsRead = BITFIELD64_BIT(inputAttr);
-   prog->Base.OutputsWritten = BITFIELD64_BIT(VARYING_SLOT_COL0);
-
-   /*
-    * Now insert code to do standard modelview/projection transformation.
-    */
-   _mesa_insert_mvp_code(ctx, prog);
-}
diff --git a/mesalib/src/mesa/program/programopt.h b/mesalib/src/mesa/program/programopt.h
index f22109fb4..757421edf 100644
--- a/mesalib/src/mesa/program/programopt.h
+++ b/mesalib/src/mesa/program/programopt.h
@@ -28,6 +28,12 @@
 
 #include "main/mtypes.h"
 
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
 extern void
 _mesa_insert_mvp_code(struct gl_context *ctx, struct gl_vertex_program *vprog);
 
@@ -45,11 +51,9 @@ _mesa_count_texture_instructions(struct gl_program *prog);
 extern void
 _mesa_remove_output_reads(struct gl_program *prog, gl_register_file type);
 
-extern void
-_mesa_nop_fragment_program(struct gl_context *ctx, struct gl_fragment_program *prog);
-
-extern void
-_mesa_nop_vertex_program(struct gl_context *ctx, struct gl_vertex_program *prog);
 
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* PROGRAMOPT_H */
diff --git a/mesalib/src/mesa/program/sampler.cpp b/mesalib/src/mesa/program/sampler.cpp
index 29a540871..f8584c968 100644
--- a/mesalib/src/mesa/program/sampler.cpp
+++ b/mesalib/src/mesa/program/sampler.cpp
@@ -27,15 +27,14 @@
 #include "glsl_types.h"
 #include "ir_visitor.h"
 #include "../glsl/program.h"
-#include "program/hash_table.h"
 #include "ir_uniform.h"
 
-extern "C" {
 #include "main/compiler.h"
 #include "main/mtypes.h"
+#include "program/hash_table.h"
 #include "program/prog_parameter.h"
 #include "program/program.h"
-}
+
 
 class get_sampler_name : public ir_hierarchical_visitor
 {
@@ -104,7 +103,7 @@ public:
 };
 
 
-extern "C" int
+int
 _mesa_get_sampler_uniform_value(class ir_dereference *sampler,
 				struct gl_shader_program *shader_program,
 				const struct gl_program *prog)
@@ -136,7 +135,7 @@ _mesa_get_sampler_uniform_value(class ir_dereference *sampler,
 }
 
 
-extern "C" class ir_rvalue *
+class ir_rvalue *
 _mesa_get_sampler_array_nonconst_index(class ir_dereference *sampler)
 {
    ir_dereference_array *deref_arr = sampler->as_dereference_array();
diff --git a/mesalib/src/mesa/program/sampler.h b/mesalib/src/mesa/program/sampler.h
index 8b7c3b63e..61c7f5851 100644
--- a/mesalib/src/mesa/program/sampler.h
+++ b/mesalib/src/mesa/program/sampler.h
@@ -23,6 +23,10 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
+#ifndef SAMPLER_H
+#define SAMPLER_H
+
+
 int
 _mesa_get_sampler_uniform_value(class ir_dereference *sampler,
 				struct gl_shader_program *shader_program,
@@ -30,3 +34,6 @@ _mesa_get_sampler_uniform_value(class ir_dereference *sampler,
 
 class ir_rvalue *
 _mesa_get_sampler_array_nonconst_index(class ir_dereference *sampler);
+
+
+#endif /* SAMPLER_H */