From ea2aca036c742474cda03e3b7012b188a14d0287 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Sun, 12 Feb 2012 16:30:28 -0700
Subject: [PATCH] st/mesa: remove st_get_default_texture()

Just use _mesa_get_fallback_texture() instead.

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
---
 src/mesa/state_tracker/st_atom_sampler.c |  3 +-
 src/mesa/state_tracker/st_atom_texture.c |  3 +-
 src/mesa/state_tracker/st_cb_texture.c   | 51 ------------------------
 src/mesa/state_tracker/st_cb_texture.h   |  4 --
 4 files changed, 4 insertions(+), 57 deletions(-)

diff --git a/src/mesa/state_tracker/st_atom_sampler.c b/src/mesa/state_tracker/st_atom_sampler.c
index ee69fc39012..dc0c789c5c6 100644
--- a/src/mesa/state_tracker/st_atom_sampler.c
+++ b/src/mesa/state_tracker/st_atom_sampler.c
@@ -35,6 +35,7 @@
 #include "main/macros.h"
 #include "main/mtypes.h"
 #include "main/samplerobj.h"
+#include "main/texobj.h"
 
 #include "st_context.h"
 #include "st_cb_texture.h"
@@ -132,7 +133,7 @@ convert_sampler(struct st_context *st,
 
    texobj = ctx->Texture.Unit[texUnit]._Current;
    if (!texobj) {
-      texobj = st_get_default_texture(st);
+      texobj = _mesa_get_fallback_texture(ctx, TEXTURE_2D_INDEX);
    }
 
    msamp = _mesa_get_samplerobj(ctx, texUnit);
diff --git a/src/mesa/state_tracker/st_atom_texture.c b/src/mesa/state_tracker/st_atom_texture.c
index e8941da8d79..438595be2c2 100644
--- a/src/mesa/state_tracker/st_atom_texture.c
+++ b/src/mesa/state_tracker/st_atom_texture.c
@@ -35,6 +35,7 @@
 #include "main/macros.h"
 #include "main/mtypes.h"
 #include "main/samplerobj.h"
+#include "main/texobj.h"
 #include "program/prog_instruction.h"
 
 #include "st_context.h"
@@ -201,7 +202,7 @@ update_single_texture(struct st_context *st,
    texObj = ctx->Texture.Unit[texUnit]._Current;
 
    if (!texObj) {
-      texObj = st_get_default_texture(st);
+      texObj = _mesa_get_fallback_texture(ctx, TEXTURE_2D_INDEX);
       samp = &texObj->Sampler;
    }
    stObj = st_texture_object(texObj);
diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index 5cd9a4c94ee..c2011daa8e7 100644
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -1336,57 +1336,6 @@ st_finalize_texture(struct gl_context *ctx,
 }
 
 
-/**
- * Returns pointer to a default/dummy texture.
- * This is typically used when the current shader has tex/sample instructions
- * but the user has not provided a (any) texture(s).
- */
-struct gl_texture_object *
-st_get_default_texture(struct st_context *st)
-{
-   if (!st->default_texture) {
-      static const GLenum target = GL_TEXTURE_2D;
-      GLubyte pixels[16][16][4];
-      struct gl_texture_object *texObj;
-      struct gl_texture_image *texImg;
-      GLuint i, j;
-
-      /* The ARB_fragment_program spec says (0,0,0,1) should be returned
-       * when attempting to sample incomplete textures.
-       */
-      for (i = 0; i < 16; i++) {
-         for (j = 0; j < 16; j++) {
-            pixels[i][j][0] = 0;
-            pixels[i][j][1] = 0;
-            pixels[i][j][2] = 0;
-            pixels[i][j][3] = 255;
-         }
-      }
-
-      texObj = st->ctx->Driver.NewTextureObject(st->ctx, 0, target);
-
-      texImg = _mesa_get_tex_image(st->ctx, texObj, target, 0);
-
-      _mesa_init_teximage_fields(st->ctx, texImg,
-                                 16, 16, 1, 0,  /* w, h, d, border */
-                                 GL_RGBA, MESA_FORMAT_RGBA8888);
-
-      _mesa_store_teximage2d(st->ctx, texImg, 
-                             GL_RGBA,    /* level, intformat */
-                             16, 16, 1,  /* w, h, d, border */
-                             GL_RGBA, GL_UNSIGNED_BYTE, pixels,
-                             &st->ctx->DefaultPacking);
-
-      texObj->Sampler.MinFilter = GL_NEAREST;
-      texObj->Sampler.MagFilter = GL_NEAREST;
-      texObj->_Complete = GL_TRUE;
-
-      st->default_texture = texObj;
-   }
-   return st->default_texture;
-}
-
-
 /**
  * Called via ctx->Driver.AllocTextureStorage() to allocate texture memory
  * for a whole mipmap stack.
diff --git a/src/mesa/state_tracker/st_cb_texture.h b/src/mesa/state_tracker/st_cb_texture.h
index f1502bda788..27956bcc2a6 100644
--- a/src/mesa/state_tracker/st_cb_texture.h
+++ b/src/mesa/state_tracker/st_cb_texture.h
@@ -44,10 +44,6 @@ st_finalize_texture(struct gl_context *ctx,
 		    struct gl_texture_object *tObj);
 
 
-extern struct gl_texture_object *
-st_get_default_texture(struct st_context *st);
-
-
 extern void
 st_init_texture_functions(struct dd_function_table *functions);
 
-- 
2.30.2