Make _mesa_is_proxy_texture() non-static and use in a few more places.

Use COPY_4FV() where possible.
Added some comments, clean-ups.

4 files changed, 39 insertions, 82 deletions

diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c
index 7bd11c31af5..0ce0e095a9b 100644
--- a/src/mesa/main/dlist.c
+++ b/src/mesa/main/dlist.c
@@ -1,8 +1,8 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.3
+ * Version:  6.5
  *
- * Copyright (C) 1999-2004  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2005  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"),
@@ -1323,10 +1323,7 @@ static void GLAPIENTRY save_ColorTable( GLenum target, GLenum internalFormat,
                              const GLvoid *table )
 {
    GET_CURRENT_CONTEXT(ctx);
-   if (target == GL_PROXY_TEXTURE_1D ||
-       target == GL_PROXY_TEXTURE_2D ||
-       target == GL_PROXY_TEXTURE_3D ||
-       target == GL_PROXY_TEXTURE_CUBE_MAP_ARB) {
+   if (_mesa_is_proxy_texture(target)) {
       /* execute immediately */
       CALL_ColorTable(ctx->Exec, ( target, internalFormat, width,
                                 format, type, table ));
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 91fee9001ff..419df0f090e 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -2,7 +2,7 @@
  * Mesa 3-D graphics library
  * Version:  6.5
  *
- * Copyright (C) 1999-2004  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2005  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"),
@@ -25,13 +25,7 @@
 
 /**
  * \file teximage.c
- * Texture images manipulation functions.
- *
- * \note Mesa's native texture data type is GLchan.  Native formats are
- * GL_ALPHA, GL_LUMINANCE, GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, GL_RGBA, and
- * GL_COLOR_INDEX.
- *
- * \note Device drivers are free to implement any internal format they want.
+ * Texture image-related functions.
  */
 
 
@@ -667,8 +661,8 @@ _mesa_delete_texture_image( GLcontext *ctx, struct gl_texture_image *texImage )
  *
  * \return GL_TRUE if the target is a proxy target, GL_FALSE otherwise.
  */
-static GLboolean
-is_proxy_target(GLenum target)
+GLboolean
+_mesa_is_proxy_texture(GLenum target)
 {
    return (target == GL_PROXY_TEXTURE_1D ||
            target == GL_PROXY_TEXTURE_2D ||
@@ -1259,7 +1253,7 @@ texture_error_check( GLcontext *ctx, GLenum target,
                      GLint width, GLint height,
                      GLint depth, GLint border )
 {
-   const GLboolean isProxy = is_proxy_target(target);
+   const GLboolean isProxy = _mesa_is_proxy_texture(target);
    GLboolean sizeOK;
    GLboolean colorFormat, indexFormat;
 
@@ -2019,7 +2013,7 @@ _mesa_GetTexImage( GLenum target, GLint level, GLenum format,
 
    texUnit = &(ctx->Texture.Unit[ctx->Texture.CurrentUnit]);
    texObj = _mesa_select_tex_object(ctx, texUnit, target);
-   if (!texObj || is_proxy_target(target)) {
+   if (!texObj || _mesa_is_proxy_texture(target)) {
       _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexImage(target)");
       return;
    }
@@ -3343,7 +3337,7 @@ _mesa_GetCompressedTexImageARB(GLenum target, GLint level, GLvoid *img)
       return;
    }
 
-   if (is_proxy_target(target)) {
+   if (_mesa_is_proxy_texture(target)) {
       _mesa_error(ctx, GL_INVALID_ENUM, "glGetCompressedTexImageARB(target)");
       return;
    }
diff --git a/src/mesa/main/teximage.h b/src/mesa/main/teximage.h
index 45c851e5c88..410789fe046 100644
--- a/src/mesa/main/teximage.h
+++ b/src/mesa/main/teximage.h
@@ -5,7 +5,7 @@
 
 /*
  * Mesa 3-D graphics library
- * Version:  6.3
+ * Version:  6.5
  *
  * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
  *
@@ -49,6 +49,10 @@ extern GLint
 _mesa_base_tex_format( GLcontext *ctx, GLint internalFormat );
 
 
+extern GLboolean
+_mesa_is_proxy_texture(GLenum target);
+
+
 extern struct gl_texture_image *
 _mesa_new_texture_image( GLcontext *ctx );
 
@@ -56,7 +60,6 @@ _mesa_new_texture_image( GLcontext *ctx );
 extern void
 _mesa_delete_texture_image( GLcontext *ctx, struct gl_texture_image *teximage );
 
-
 extern void
 _mesa_free_texture_image_data( GLcontext *ctx, 
 			       struct gl_texture_image *texImage );
diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index 7f6015f0aef..043ca3bac38 100644
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -43,15 +43,9 @@
 
 
 
-#ifdef SPECIALCAST
-/* Needed for an Amiga compiler */
 #define ENUM_TO_FLOAT(X) ((GLfloat)(GLint)(X))
 #define ENUM_TO_DOUBLE(X) ((GLdouble)(GLint)(X))
-#else
-/* all other compilers */
-#define ENUM_TO_FLOAT(X) ((GLfloat)(X))
-#define ENUM_TO_DOUBLE(X) ((GLdouble)(X))
-#endif
+
 
 /**
  * Default texture combine environment state.  This is used to initialize
@@ -1653,32 +1647,10 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
       return;
    }
 
-   switch (target) {
-   case GL_TEXTURE_1D:
-   case GL_PROXY_TEXTURE_1D:
-   case GL_TEXTURE_2D:
-   case GL_PROXY_TEXTURE_2D:
-      maxLevels = ctx->Const.MaxTextureLevels;
-      break;
-   case GL_TEXTURE_3D:
-   case GL_PROXY_TEXTURE_3D:
-      maxLevels = ctx->Const.Max3DTextureLevels;
-      break;
-   case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
-   case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
-   case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
-   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
-   case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
-   case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
-   case GL_PROXY_TEXTURE_CUBE_MAP:
-      maxLevels = ctx->Const.MaxCubeTextureLevels;
-      break;
-   case GL_TEXTURE_RECTANGLE_NV:
-   case GL_PROXY_TEXTURE_RECTANGLE_NV:
-      maxLevels = 1;
-      break;
-   default:
-      _mesa_problem(ctx, "switch in _mesa_GetTexLevelParameter");
+   maxLevels = _mesa_max_texture_levels(ctx, target);
+   if (maxLevels == 0) {
+      /* should not happen since <target> was just checked above */
+      _mesa_problem(ctx, "maxLevels=0 in _mesa_GetTexLevelParameter");
       return;
    }
 
@@ -1697,11 +1669,7 @@ _mesa_GetTexLevelParameteriv( GLenum target, GLint level,
       return;
    }
 
-   isProxy = (target == GL_PROXY_TEXTURE_1D) ||
-             (target == GL_PROXY_TEXTURE_2D) ||
-             (target == GL_PROXY_TEXTURE_3D) ||
-             (target == GL_PROXY_TEXTURE_CUBE_MAP) ||
-             (target == GL_PROXY_TEXTURE_RECTANGLE_NV);
+   isProxy = _mesa_is_proxy_texture(target);
 
    switch (pname) {
       case GL_TEXTURE_WIDTH:
@@ -2194,14 +2162,10 @@ _mesa_TexGenfv( GLenum coord, GLenum pname, const GLfloat *params )
 	    if (TEST_EQ_4V(texUnit->ObjectPlaneS, params))
 		return;
 	    FLUSH_VERTICES(ctx, _NEW_TEXTURE);
-	    texUnit->ObjectPlaneS[0] = params[0];
-	    texUnit->ObjectPlaneS[1] = params[1];
-	    texUnit->ObjectPlaneS[2] = params[2];
-	    texUnit->ObjectPlaneS[3] = params[3];
+            COPY_4FV(texUnit->ObjectPlaneS, params);
 	 }
 	 else if (pname==GL_EYE_PLANE) {
 	    GLfloat tmp[4];
-
             /* Transform plane equation by the inverse modelview matrix */
             if (_math_matrix_is_dirty(ctx->ModelviewMatrixStack.Top)) {
                _math_matrix_analyse( ctx->ModelviewMatrixStack.Top );
@@ -2251,10 +2215,7 @@ _mesa_TexGenfv( GLenum coord, GLenum pname, const GLfloat *params )
 	    if (TEST_EQ_4V(texUnit->ObjectPlaneT, params))
 		return;
 	    FLUSH_VERTICES(ctx, _NEW_TEXTURE);
-	    texUnit->ObjectPlaneT[0] = params[0];
-	    texUnit->ObjectPlaneT[1] = params[1];
-	    texUnit->ObjectPlaneT[2] = params[2];
-	    texUnit->ObjectPlaneT[3] = params[3];
+            COPY_4FV(texUnit->ObjectPlaneT, params);
 	 }
 	 else if (pname==GL_EYE_PLANE) {
 	    GLfloat tmp[4];
@@ -2304,10 +2265,7 @@ _mesa_TexGenfv( GLenum coord, GLenum pname, const GLfloat *params )
 	    if (TEST_EQ_4V(texUnit->ObjectPlaneR, params))
 		return;
 	    FLUSH_VERTICES(ctx, _NEW_TEXTURE);
-	    texUnit->ObjectPlaneR[0] = params[0];
-	    texUnit->ObjectPlaneR[1] = params[1];
-	    texUnit->ObjectPlaneR[2] = params[2];
-	    texUnit->ObjectPlaneR[3] = params[3];
+	    COPY_4FV(texUnit->ObjectPlaneR, params);
 	 }
 	 else if (pname==GL_EYE_PLANE) {
 	    GLfloat tmp[4];
@@ -2351,10 +2309,7 @@ _mesa_TexGenfv( GLenum coord, GLenum pname, const GLfloat *params )
 	    if (TEST_EQ_4V(texUnit->ObjectPlaneQ, params))
 		return;
 	    FLUSH_VERTICES(ctx, _NEW_TEXTURE);
-	    texUnit->ObjectPlaneQ[0] = params[0];
-	    texUnit->ObjectPlaneQ[1] = params[1];
-	    texUnit->ObjectPlaneQ[2] = params[2];
-	    texUnit->ObjectPlaneQ[3] = params[3];
+            COPY_4FV(texUnit->ObjectPlaneQ, params);
 	 }
 	 else if (pname==GL_EYE_PLANE) {
 	    GLfloat tmp[4];
@@ -2915,8 +2870,6 @@ update_texture_matrices( GLcontext *ctx )
 }
 
 
-
-
 /**
  * \note This routine refers to derived texture matrix values to
  * compute the ENABLE_TEXMAT flags, but is only called on
@@ -3133,6 +3086,7 @@ void _mesa_update_texture( GLcontext *ctx, GLuint new_state )
       update_texture_state( ctx );
 }
 
+
 /**********************************************************************/
 /*****                      Initialization                        *****/
 /**********************************************************************/
@@ -3233,9 +3187,13 @@ init_texture_unit( GLcontext *ctx, GLuint unit )
 }
 
 
-GLboolean _mesa_init_texture( GLcontext * ctx )
+/**
+ * Initialize texture state for the given context.
+ */
+GLboolean
+_mesa_init_texture(GLcontext *ctx)
 {
-   int i;
+   GLuint i;
 
    assert(MAX_TEXTURE_LEVELS >= MAX_3D_TEXTURE_LEVELS);
    assert(MAX_TEXTURE_LEVELS >= MAX_CUBE_TEXTURE_LEVELS);
@@ -3262,9 +3220,14 @@ GLboolean _mesa_init_texture( GLcontext * ctx )
    return GL_TRUE;
 }
 
-void _mesa_free_texture_data( GLcontext *ctx )
+
+/**
+ * Free dynamically-allocted texture data attached to the given context.
+ */
+void
+_mesa_free_texture_data(GLcontext *ctx)
 {
-   int i;
+   GLuint i;
 
    /* Free proxy texture objects */
    (ctx->Driver.DeleteTexture)(ctx,  ctx->Texture.Proxy1D );