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fixed reference count but in DeleteTextures()

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This commit is contained in:
Brian Paul
2000-02-12 01:59:19 +00:00
parent bd986282f3
commit 59d6da5365
1 changed files with 13 additions and 10 deletions
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21
src/mesa/main/texobj.c
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@@ -1,4 +1,4 @@
/* $Id: texobj.c,v 1.13 2000/01/31 23:11:39 brianp Exp $ */ /* $Id: texobj.c,v 1.14 2000/02/12 01:59:19 brianp Exp $ */
/* /*
* Mesa 3-D graphics library * Mesa 3-D graphics library
@@ -376,26 +376,29 @@ _mesa_DeleteTextures( GLsizei n, const GLuint *texName)
t = (struct gl_texture_object *) t = (struct gl_texture_object *)
_mesa_HashLookup(ctx->Shared->TexObjects, texName[i]); _mesa_HashLookup(ctx->Shared->TexObjects, texName[i]);
if (t) { if (t) {
/* First check if this texture is currently bound.
* If so, unbind it and decrement the reference count.
*/
GLuint u; GLuint u;
for (u=0; u<MAX_TEXTURE_UNITS; u++) { for (u = 0; u < MAX_TEXTURE_UNITS; u++) {
struct gl_texture_unit *unit = &ctx->Texture.Unit[u]; struct gl_texture_unit *unit = &ctx->Texture.Unit[u];
GLuint d; GLuint d;
for (d = 1 ; d <= 3 ; d++) { for (d = 1 ; d <= 3 ; d++) {
if (unit->CurrentD[d]==t) { if (unit->CurrentD[d] == t) {
unit->CurrentD[d] = ctx->Shared->DefaultD[d]; unit->CurrentD[d] = ctx->Shared->DefaultD[d];
ctx->Shared->DefaultD[d]->RefCount++; ctx->Shared->DefaultD[d]->RefCount++;
t->RefCount--; t->RefCount--;
assert( t->RefCount >= 0 ); ASSERT( t->RefCount >= 0 );
} }
} }
} }
/* tell device driver to delete texture */ /* Decrement reference count and delete if zero */
if (ctx->Driver.DeleteTexture) { t->RefCount--;
ASSERT( t->RefCount >= 0 );
if (t->RefCount == 0) {
if (ctx->Driver.DeleteTexture)
(*ctx->Driver.DeleteTexture)( ctx, t ); (*ctx->Driver.DeleteTexture)( ctx, t );
}
if (t->RefCount==0) {
gl_free_texture_object(ctx->Shared, t); gl_free_texture_object(ctx->Shared, t);
} }
} }