From 4683cab29a74d6b3cefdd915aaf91e6b4f667d27 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Wed, 21 Jan 2009 08:18:07 -0700
Subject: mesa: add some debug assertions to detect null current texture object
 pointers

See bug #17895.  These assertions could be removed when this is resolved.
---
 src/mesa/main/texobj.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src/mesa/main/texobj.c')

diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c
index d8e8b559f5..7848f0be35 100644
--- a/src/mesa/main/texobj.c
+++ b/src/mesa/main/texobj.c
@@ -762,24 +762,31 @@ unbind_texobj_from_texunits(GLcontext *ctx, struct gl_texture_object *texObj)
       struct gl_texture_unit *unit = &ctx->Texture.Unit[u];
       if (texObj == unit->Current1D) {
          _mesa_reference_texobj(&unit->Current1D, ctx->Shared->Default1D);
+         ASSERT(unit->Current1D);
       }
       else if (texObj == unit->Current2D) {
          _mesa_reference_texobj(&unit->Current2D, ctx->Shared->Default2D);
+         ASSERT(unit->Current2D);
       }
       else if (texObj == unit->Current3D) {
          _mesa_reference_texobj(&unit->Current3D, ctx->Shared->Default3D);
+         ASSERT(unit->Current3D);
       }
       else if (texObj == unit->CurrentCubeMap) {
          _mesa_reference_texobj(&unit->CurrentCubeMap, ctx->Shared->DefaultCubeMap);
+         ASSERT(unit->CurrentCubeMap);
       }
       else if (texObj == unit->CurrentRect) {
          _mesa_reference_texobj(&unit->CurrentRect, ctx->Shared->DefaultRect);
+         ASSERT(unit->CurrentRect);
       }
       else if (texObj == unit->Current1DArray) {
          _mesa_reference_texobj(&unit->Current1DArray, ctx->Shared->Default1DArray);
+         ASSERT(unit->Current1DArray);
       }
       else if (texObj == unit->Current2DArray) {
          _mesa_reference_texobj(&unit->Current2DArray, ctx->Shared->Default2DArray);
+         ASSERT(unit->Current2DArray);
       }
    }
 }
@@ -953,24 +960,31 @@ _mesa_BindTexture( GLenum target, GLuint texName )
    switch (target) {
       case GL_TEXTURE_1D:
          _mesa_reference_texobj(&texUnit->Current1D, newTexObj);
+         ASSERT(texUnit->Current1D);
          break;
       case GL_TEXTURE_2D:
          _mesa_reference_texobj(&texUnit->Current2D, newTexObj);
+         ASSERT(texUnit->Current2D);
          break;
       case GL_TEXTURE_3D:
          _mesa_reference_texobj(&texUnit->Current3D, newTexObj);
+         ASSERT(texUnit->Current3D);
          break;
       case GL_TEXTURE_CUBE_MAP_ARB:
          _mesa_reference_texobj(&texUnit->CurrentCubeMap, newTexObj);
+         ASSERT(texUnit->CurrentCubeMap);
          break;
       case GL_TEXTURE_RECTANGLE_NV:
          _mesa_reference_texobj(&texUnit->CurrentRect, newTexObj);
+         ASSERT(texUnit->CurrentRect);
          break;
       case GL_TEXTURE_1D_ARRAY_EXT:
          texUnit->Current1DArray = newTexObj;
+         ASSERT(texUnit->Current1DArray);
          break;
       case GL_TEXTURE_2D_ARRAY_EXT:
          texUnit->Current2DArray = newTexObj;
+         ASSERT(texUnit->Current2DArray);
          break;
       default:
          /* Bad target should be caught above */
-- 
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