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mesa: raise an error when trying to bind non-existant texture to FBO 

If the user calls glRenderBufferTexture(texture=N) but texture N
doesn't name an existing texture, raise GL_INVALID_ENUM.

Plus, add a comment about some questionable error checking code in
framebuffer_texture().  Ian?
This commit is contained in:
Brian Paul 2010-03-10 10:54:24 -07:00
parent b318039e9a
commit 7a2e32d684
1 changed files with 8 additions and 0 deletions
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8
src/mesa/main/fbobject.c
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@ -1549,6 +1549,7 @@ framebuffer_texture(GLcontext *ctx, const char *caller, GLenum target,
texObj = _mesa_lookup_texture(ctx, texture);
if (texObj != NULL) {
if (textarget == 0) {
/* XXX what's the purpose of this? */
err = (texObj->Target != GL_TEXTURE_3D) &&
(texObj->Target != GL_TEXTURE_1D_ARRAY_EXT) &&
(texObj->Target != GL_TEXTURE_2D_ARRAY_EXT);
@ -1559,6 +1560,13 @@ framebuffer_texture(GLcontext *ctx, const char *caller, GLenum target,
: (texObj->Target != textarget);
}
}
else {
/* can't render to a non-existant texture */
_mesa_error(ctx, GL_INVALID_OPERATION,
"glFramebufferTexture%sEXT(non existant texture)",
caller);
return;
}
if (err) {
_mesa_error(ctx, GL_INVALID_OPERATION,