From 5c8873a3111031e77934eeedbf81b868617183e1 Mon Sep 17 00:00:00 2001
From: Chia-I Wu <olvaffe@gmail.com>
Date: Wed, 9 Sep 2009 11:12:49 +0800
Subject: mesa/main: Provide dummy texformats when FEATURE_texture_fxt1 is
 disabled.

Instead of removing the related enums and texture formats, provide dummy
ones when the feature is disabled.
---
 src/mesa/main/context.c          |  2 --
 src/mesa/main/texcompress_fxt1.c | 41 ++++++++++++++++++++++++++++++----------
 src/mesa/main/texformat.h        |  4 ----
 3 files changed, 31 insertions(+), 16 deletions(-)

diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index 2869a722ec..20307926a3 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -702,9 +702,7 @@ init_attrib_groups(GLcontext *ctx)
 #if FEATURE_texture_s3tc
    _mesa_init_texture_s3tc( ctx );
 #endif
-#if FEATURE_texture_fxt1
    _mesa_init_texture_fxt1( ctx );
-#endif
 
    /* Miscellaneous */
    ctx->NewState = _NEW_ALL;
diff --git a/src/mesa/main/texcompress_fxt1.c b/src/mesa/main/texcompress_fxt1.c
index fc151605c9..14de935e71 100644
--- a/src/mesa/main/texcompress_fxt1.c
+++ b/src/mesa/main/texcompress_fxt1.c
@@ -41,6 +41,9 @@
 #include "texstore.h"
 
 
+#if FEATURE_texture_fxt1
+
+
 static void
 fxt1_encode (GLuint width, GLuint height, GLint comps,
              const void *source, GLint srcRowStride,
@@ -51,16 +54,6 @@ fxt1_decode_1 (const void *texture, GLint stride,
                GLint i, GLint j, GLchan *rgba);
 
 
-/**
- * Called during context initialization.
- */
-void
-_mesa_init_texture_fxt1( GLcontext *ctx )
-{
-   (void) ctx;
-}
-
-
 /**
  * Called via TexFormat->StoreImage to store an RGB_FXT1 texture.
  */
@@ -224,6 +217,8 @@ fetch_texel_2d_f_rgb_fxt1( const struct gl_texture_image *texImage,
 }
 
 
+#endif /* FEATURE_texture_fxt1 */
+
 
 const struct gl_texture_format _mesa_texformat_rgb_fxt1 = {
    MESA_FORMAT_RGB_FXT1,		/* MesaFormat */
@@ -239,6 +234,7 @@ const struct gl_texture_format _mesa_texformat_rgb_fxt1 = {
    0,					/* DepthBits */
    0,					/* StencilBits */
    0,					/* TexelBytes */
+#if FEATURE_texture_fxt1
    texstore_rgb_fxt1,			/* StoreTexImageFunc */
    NULL, /*impossible*/ 		/* FetchTexel1D */
    fetch_texel_2d_rgb_fxt1, 		/* FetchTexel2D */
@@ -247,6 +243,10 @@ const struct gl_texture_format _mesa_texformat_rgb_fxt1 = {
    fetch_texel_2d_f_rgb_fxt1, 		/* FetchTexel2Df */
    NULL, /*impossible*/ 		/* FetchTexel3Df */
    NULL					/* StoreTexel */
+#else
+   _mesa_texstore_null,
+   _MESA_TEXFORMAT_NULL_OPS
+#endif
 };
 
 const struct gl_texture_format _mesa_texformat_rgba_fxt1 = {
@@ -263,6 +263,7 @@ const struct gl_texture_format _mesa_texformat_rgba_fxt1 = {
    0,					/* DepthBits */
    0,					/* StencilBits */
    0,					/* TexelBytes */
+#if FEATURE_texture_fxt1
    texstore_rgba_fxt1,			/* StoreTexImageFunc */
    NULL, /*impossible*/ 		/* FetchTexel1D */
    fetch_texel_2d_rgba_fxt1, 		/* FetchTexel2D */
@@ -271,9 +272,16 @@ const struct gl_texture_format _mesa_texformat_rgba_fxt1 = {
    fetch_texel_2d_f_rgba_fxt1, 		/* FetchTexel2Df */
    NULL, /*impossible*/ 		/* FetchTexel3Df */
    NULL					/* StoreTexel */
+#else
+   _mesa_texstore_null,
+   _MESA_TEXFORMAT_NULL_OPS
+#endif
 };
 
 
+#if FEATURE_texture_fxt1
+
+
 /***************************************************************************\
  * FXT1 encoder
  *
@@ -1722,3 +1730,16 @@ fxt1_decode_1 (const void *texture, GLint stride, /* in pixels */
 
    decode_1[mode](code, t, rgba);
 }
+
+
+#endif /* FEATURE_texture_fxt1 */
+
+
+/**
+ * Called during context initialization.
+ */
+void
+_mesa_init_texture_fxt1( GLcontext *ctx )
+{
+   (void) ctx;
+}
diff --git a/src/mesa/main/texformat.h b/src/mesa/main/texformat.h
index b029fd8a74..b674301338 100644
--- a/src/mesa/main/texformat.h
+++ b/src/mesa/main/texformat.h
@@ -125,10 +125,8 @@ enum _format {
     * \name Compressed texture formats.
     */
    /*@{*/
-#if FEATURE_texture_fxt1
    MESA_FORMAT_RGB_FXT1,
    MESA_FORMAT_RGBA_FXT1,
-#endif
 #if FEATURE_texture_s3tc
    MESA_FORMAT_RGB_DXT1,
    MESA_FORMAT_RGBA_DXT1,
@@ -272,10 +270,8 @@ extern const struct gl_texture_format _mesa_texformat_ycbcr_rev;
 
 /** \name Compressed formats */
 /*@{*/
-#if FEATURE_texture_fxt1
 extern const struct gl_texture_format _mesa_texformat_rgb_fxt1;
 extern const struct gl_texture_format _mesa_texformat_rgba_fxt1;
-#endif
 #if FEATURE_texture_s3tc
 extern const struct gl_texture_format _mesa_texformat_rgb_dxt1;
 extern const struct gl_texture_format _mesa_texformat_rgba_dxt1;
-- 
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