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mesa/sso: Implement _mesa_DeleteProgramPipelines

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Implement DeleteProgramPipelines based on the VAO code.

This was originally included in another patch, but it was split out by
Ian Romanick.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Gregory Hainaut 2013-06-28 13:57:50 -07:00 • committed by Ian Romanick
parent f4c13a890f
commit 55311557fd
1 changed files with 33 additions and 0 deletions
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33
src/mesa/main/pipelineobj.c
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@ -242,6 +242,39 @@ _mesa_BindProgramPipeline(GLuint pipeline)
void GLAPIENTRY
_mesa_DeleteProgramPipelines(GLsizei n, const GLuint *pipelines)
{
GET_CURRENT_CONTEXT(ctx);
GLsizei i;
if (n < 0) {
_mesa_error(ctx, GL_INVALID_VALUE, "glDeleteProgramPipelines(n<0)");
return;
}
for (i = 0; i < n; i++) {
struct gl_pipeline_object *obj =
lookup_pipeline_object(ctx, pipelines[i]);
if (obj) {
ASSERT(obj->Name == pipelines[i]);
/* If the pipeline object is currently bound, the spec says "If an
* object that is currently bound is deleted, the binding for that
* object reverts to zero and no program pipeline object becomes
* current."
*/
if (obj == ctx->Pipeline.Current) {
_mesa_BindProgramPipeline(0);
}
/* The ID is immediately freed for re-use */
remove_pipeline_object(ctx, obj);
/* Unreference the pipeline object.
* If refcount hits zero, the object will be deleted.
*/
_mesa_reference_pipeline_object(ctx, &obj, NULL);
}
}
}
/**