2 files changed, 227 insertions, 216 deletions
diff --git a/mesalib/src/mesa/program/program.c b/mesalib/src/mesa/program/program.c
index c39f85e89..2393a6386 100644
--- a/mesalib/src/mesa/program/program.c
+++ b/mesalib/src/mesa/program/program.c
@@ -421,12 +421,15 @@ _mesa_lookup_program(struct gl_context *ctx, GLuint id)
 
 /**
  * Reference counting for vertex/fragment programs
+ * This is normally only called from the _mesa_reference_program() macro
+ * when there's a real pointer change.
  */
 void
-_mesa_reference_program(struct gl_context *ctx,
-                        struct gl_program **ptr,
-                        struct gl_program *prog)
+_mesa_reference_program_(struct gl_context *ctx,
+                         struct gl_program **ptr,
+                         struct gl_program *prog)
 {
+#ifndef NDEBUG
    assert(ptr);
    if (*ptr && prog) {
       /* sanity check */
@@ -438,9 +441,8 @@ _mesa_reference_program(struct gl_context *ctx,
       else if ((*ptr)->Target == MESA_GEOMETRY_PROGRAM)
          ASSERT(prog->Target == MESA_GEOMETRY_PROGRAM);
    }
-   if (*ptr == prog) {
-      return;  /* no change */
-   }
+#endif
+
    if (*ptr) {
       GLboolean deleteFlag;
 
diff --git a/mesalib/src/mesa/program/program.h b/mesalib/src/mesa/program/program.h
index dcf8d1c25..0f32a6af7 100644
--- a/mesalib/src/mesa/program/program.h
+++ b/mesalib/src/mesa/program/program.h
@@ -1,210 +1,219 @@
-/*
- * Mesa 3-D graphics library
- * Version:  6.5.3
- *
- * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * \file program.c
- * Vertex and fragment program support functions.
- * \author Brian Paul
- */
-
-
-/**
- * \mainpage Mesa vertex and fragment program module
- *
- * This module or directory contains most of the code for vertex and
- * fragment programs and shaders, including state management, parsers,
- * and (some) software routines for executing programs
- */
-
-#ifndef PROGRAM_H
-#define PROGRAM_H
-
-#include "main/compiler.h"
-#include "main/mtypes.h"
-
-
-extern struct gl_program _mesa_DummyProgram;
-
-
-extern void
-_mesa_init_program(struct gl_context *ctx);
-
-extern void
-_mesa_free_program_data(struct gl_context *ctx);
-
-extern void
-_mesa_update_default_objects_program(struct gl_context *ctx);
-
-extern void
-_mesa_set_program_error(struct gl_context *ctx, GLint pos, const char *string);
-
-extern const GLubyte *
-_mesa_find_line_column(const GLubyte *string, const GLubyte *pos,
-                       GLint *line, GLint *col);
-
-
-extern struct gl_program *
-_mesa_init_vertex_program(struct gl_context *ctx,
-                          struct gl_vertex_program *prog,
-                          GLenum target, GLuint id);
-
-extern struct gl_program *
-_mesa_init_fragment_program(struct gl_context *ctx,
-                            struct gl_fragment_program *prog,
-                            GLenum target, GLuint id);
-
-extern struct gl_program *
-_mesa_init_geometry_program(struct gl_context *ctx,
-                            struct gl_geometry_program *prog,
-                            GLenum target, GLuint id);
-
-extern struct gl_program *
-_mesa_new_program(struct gl_context *ctx, GLenum target, GLuint id);
-
-extern void
-_mesa_delete_program(struct gl_context *ctx, struct gl_program *prog);
-
-extern struct gl_program *
-_mesa_lookup_program(struct gl_context *ctx, GLuint id);
-
-extern void
-_mesa_reference_program(struct gl_context *ctx,
-                        struct gl_program **ptr,
-                        struct gl_program *prog);
-
-static INLINE void
-_mesa_reference_vertprog(struct gl_context *ctx,
-                         struct gl_vertex_program **ptr,
-                         struct gl_vertex_program *prog)
-{
-   _mesa_reference_program(ctx, (struct gl_program **) ptr,
-                           (struct gl_program *) prog);
-}
-
-static INLINE void
-_mesa_reference_fragprog(struct gl_context *ctx,
-                         struct gl_fragment_program **ptr,
-                         struct gl_fragment_program *prog)
-{
-   _mesa_reference_program(ctx, (struct gl_program **) ptr,
-                           (struct gl_program *) prog);
-}
-
-static INLINE void
-_mesa_reference_geomprog(struct gl_context *ctx,
-                         struct gl_geometry_program **ptr,
-                         struct gl_geometry_program *prog)
-{
-   _mesa_reference_program(ctx, (struct gl_program **) ptr,
-                           (struct gl_program *) prog);
-}
-
-extern struct gl_program *
-_mesa_clone_program(struct gl_context *ctx, const struct gl_program *prog);
-
-static INLINE struct gl_vertex_program *
-_mesa_clone_vertex_program(struct gl_context *ctx,
-                           const struct gl_vertex_program *prog)
-{
-   return (struct gl_vertex_program *) _mesa_clone_program(ctx, &prog->Base);
-}
-
-static INLINE struct gl_geometry_program *
-_mesa_clone_geometry_program(struct gl_context *ctx,
-                             const struct gl_geometry_program *prog)
-{
-   return (struct gl_geometry_program *) _mesa_clone_program(ctx, &prog->Base);
-}
-
-static INLINE struct gl_fragment_program *
-_mesa_clone_fragment_program(struct gl_context *ctx,
-                             const struct gl_fragment_program *prog)
-{
-   return (struct gl_fragment_program *) _mesa_clone_program(ctx, &prog->Base);
-}
-
-
-extern  GLboolean
-_mesa_insert_instructions(struct gl_program *prog, GLuint start, GLuint count);
-
-extern  GLboolean
-_mesa_delete_instructions(struct gl_program *prog, GLuint start, GLuint count);
-
-extern struct gl_program *
-_mesa_combine_programs(struct gl_context *ctx,
-                       const struct gl_program *progA,
-                       const struct gl_program *progB);
-
-extern void
-_mesa_find_used_registers(const struct gl_program *prog,
-                          gl_register_file file,
-                          GLboolean used[], GLuint usedSize);
-
-extern GLint
-_mesa_find_free_register(const GLboolean used[],
-                         GLuint maxRegs, GLuint firstReg);
-
-
-extern GLboolean
-_mesa_valid_register_index(const struct gl_context *ctx,
-                           gl_shader_type shaderType,
-                           gl_register_file file, GLint index);
-
-extern void
-_mesa_postprocess_program(struct gl_context *ctx, struct gl_program *prog);
-
-/* keep these in the same order as TGSI_PROCESSOR_* */
-
-static INLINE GLuint
-_mesa_program_target_to_index(GLenum v)
-{
-   switch(v)
-   {
-   case GL_VERTEX_PROGRAM_ARB:
-      return MESA_SHADER_VERTEX;
-   case GL_FRAGMENT_PROGRAM_ARB:
-      return MESA_SHADER_FRAGMENT;
-   case GL_GEOMETRY_PROGRAM_NV:
-      return MESA_SHADER_GEOMETRY;
-   default:
-      ASSERT(0);
-      return ~0;
-   }
-}
-
-static INLINE GLenum
-_mesa_program_index_to_target(GLuint i)
-{
-   GLenum enums[MESA_SHADER_TYPES] = {
-         GL_VERTEX_PROGRAM_ARB,
-         GL_FRAGMENT_PROGRAM_ARB,
-         GL_GEOMETRY_PROGRAM_NV,
-   };
-   if(i >= MESA_SHADER_TYPES)
-      return 0;
-   else
-      return enums[i];
-}
-
-#endif /* PROGRAM_H */
+/*
+ * Mesa 3-D graphics library
+ * Version:  6.5.3
+ *
+ * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file program.c
+ * Vertex and fragment program support functions.
+ * \author Brian Paul
+ */
+
+
+/**
+ * \mainpage Mesa vertex and fragment program module
+ *
+ * This module or directory contains most of the code for vertex and
+ * fragment programs and shaders, including state management, parsers,
+ * and (some) software routines for executing programs
+ */
+
+#ifndef PROGRAM_H
+#define PROGRAM_H
+
+#include "main/compiler.h"
+#include "main/mtypes.h"
+
+
+extern struct gl_program _mesa_DummyProgram;
+
+
+extern void
+_mesa_init_program(struct gl_context *ctx);
+
+extern void
+_mesa_free_program_data(struct gl_context *ctx);
+
+extern void
+_mesa_update_default_objects_program(struct gl_context *ctx);
+
+extern void
+_mesa_set_program_error(struct gl_context *ctx, GLint pos, const char *string);
+
+extern const GLubyte *
+_mesa_find_line_column(const GLubyte *string, const GLubyte *pos,
+                       GLint *line, GLint *col);
+
+
+extern struct gl_program *
+_mesa_init_vertex_program(struct gl_context *ctx,
+                          struct gl_vertex_program *prog,
+                          GLenum target, GLuint id);
+
+extern struct gl_program *
+_mesa_init_fragment_program(struct gl_context *ctx,
+                            struct gl_fragment_program *prog,
+                            GLenum target, GLuint id);
+
+extern struct gl_program *
+_mesa_init_geometry_program(struct gl_context *ctx,
+                            struct gl_geometry_program *prog,
+                            GLenum target, GLuint id);
+
+extern struct gl_program *
+_mesa_new_program(struct gl_context *ctx, GLenum target, GLuint id);
+
+extern void
+_mesa_delete_program(struct gl_context *ctx, struct gl_program *prog);
+
+extern struct gl_program *
+_mesa_lookup_program(struct gl_context *ctx, GLuint id);
+
+extern void
+_mesa_reference_program_(struct gl_context *ctx,
+                         struct gl_program **ptr,
+                         struct gl_program *prog);
+
+static INLINE void
+_mesa_reference_program(struct gl_context *ctx,
+                        struct gl_program **ptr,
+                        struct gl_program *prog)
+{
+   if (*ptr != prog)
+      _mesa_reference_program_(ctx, ptr, prog);
+}
+
+static INLINE void
+_mesa_reference_vertprog(struct gl_context *ctx,
+                         struct gl_vertex_program **ptr,
+                         struct gl_vertex_program *prog)
+{
+   _mesa_reference_program(ctx, (struct gl_program **) ptr,
+                           (struct gl_program *) prog);
+}
+
+static INLINE void
+_mesa_reference_fragprog(struct gl_context *ctx,
+                         struct gl_fragment_program **ptr,
+                         struct gl_fragment_program *prog)
+{
+   _mesa_reference_program(ctx, (struct gl_program **) ptr,
+                           (struct gl_program *) prog);
+}
+
+static INLINE void
+_mesa_reference_geomprog(struct gl_context *ctx,
+                         struct gl_geometry_program **ptr,
+                         struct gl_geometry_program *prog)
+{
+   _mesa_reference_program(ctx, (struct gl_program **) ptr,
+                           (struct gl_program *) prog);
+}
+
+extern struct gl_program *
+_mesa_clone_program(struct gl_context *ctx, const struct gl_program *prog);
+
+static INLINE struct gl_vertex_program *
+_mesa_clone_vertex_program(struct gl_context *ctx,
+                           const struct gl_vertex_program *prog)
+{
+   return (struct gl_vertex_program *) _mesa_clone_program(ctx, &prog->Base);
+}
+
+static INLINE struct gl_geometry_program *
+_mesa_clone_geometry_program(struct gl_context *ctx,
+                             const struct gl_geometry_program *prog)
+{
+   return (struct gl_geometry_program *) _mesa_clone_program(ctx, &prog->Base);
+}
+
+static INLINE struct gl_fragment_program *
+_mesa_clone_fragment_program(struct gl_context *ctx,
+                             const struct gl_fragment_program *prog)
+{
+   return (struct gl_fragment_program *) _mesa_clone_program(ctx, &prog->Base);
+}
+
+
+extern  GLboolean
+_mesa_insert_instructions(struct gl_program *prog, GLuint start, GLuint count);
+
+extern  GLboolean
+_mesa_delete_instructions(struct gl_program *prog, GLuint start, GLuint count);
+
+extern struct gl_program *
+_mesa_combine_programs(struct gl_context *ctx,
+                       const struct gl_program *progA,
+                       const struct gl_program *progB);
+
+extern void
+_mesa_find_used_registers(const struct gl_program *prog,
+                          gl_register_file file,
+                          GLboolean used[], GLuint usedSize);
+
+extern GLint
+_mesa_find_free_register(const GLboolean used[],
+                         GLuint maxRegs, GLuint firstReg);
+
+
+extern GLboolean
+_mesa_valid_register_index(const struct gl_context *ctx,
+                           gl_shader_type shaderType,
+                           gl_register_file file, GLint index);
+
+extern void
+_mesa_postprocess_program(struct gl_context *ctx, struct gl_program *prog);
+
+/* keep these in the same order as TGSI_PROCESSOR_* */
+
+static INLINE GLuint
+_mesa_program_target_to_index(GLenum v)
+{
+   switch(v)
+   {
+   case GL_VERTEX_PROGRAM_ARB:
+      return MESA_SHADER_VERTEX;
+   case GL_FRAGMENT_PROGRAM_ARB:
+      return MESA_SHADER_FRAGMENT;
+   case GL_GEOMETRY_PROGRAM_NV:
+      return MESA_SHADER_GEOMETRY;
+   default:
+      ASSERT(0);
+      return ~0;
+   }
+}
+
+static INLINE GLenum
+_mesa_program_index_to_target(GLuint i)
+{
+   GLenum enums[MESA_SHADER_TYPES] = {
+         GL_VERTEX_PROGRAM_ARB,
+         GL_FRAGMENT_PROGRAM_ARB,
+         GL_GEOMETRY_PROGRAM_NV,
+   };
+   if(i >= MESA_SHADER_TYPES)
+      return 0;
+   else
+      return enums[i];
+}
+
+#endif /* PROGRAM_H */