LOCAL cl_mem
cl_mem_new_gl_texture(cl_context ctx,
cl_mem_flags flags,
GLenum texture_target,
GLint miplevel,
GLuint texture,
cl_int *errcode_ret)
{
cl_int err = CL_SUCCESS;
cl_mem mem = NULL;
/* Check flags consistency */
if (UNLIKELY(flags & CL_MEM_COPY_HOST_PTR)) {
err = CL_INVALID_ARG_VALUE;
goto error;
}
mem = cl_mem_allocate(CL_MEM_GL_IMAGE_TYPE, ctx, flags, 0, 0, NULL, &err);
if (mem == NULL || err != CL_SUCCESS)
goto error;
mem->bo = cl_buffer_alloc_from_texture(ctx, texture_target, miplevel,
texture, cl_mem_image(mem));
if (UNLIKELY(mem->bo == NULL)) {
err = CL_MEM_OBJECT_ALLOCATION_FAILURE;
goto error;
}
cl_mem_gl_image(mem)->target = texture_target;
cl_mem_gl_image(mem)->miplevel = miplevel;
cl_mem_gl_image(mem)->texture = texture;
exit:
if (errcode_ret)
*errcode_ret = err;
return mem;
error:
cl_mem_delete(mem);
mem = NULL;
goto exit;
}
LOCAL void
cl_mem_delete(cl_mem mem)
{
cl_int i;
if (UNLIKELY(mem == NULL))
return;
if (atomic_dec(&mem->ref_n) > 1)
return;
#ifdef HAS_EGL
if (UNLIKELY(IS_GL_IMAGE(mem))) {
cl_mem_gl_delete(cl_mem_gl_image(mem));
}
#endif
/* Remove it from the list */
assert(mem->ctx);
pthread_mutex_lock(&mem->ctx->buffer_lock);
if (mem->prev)
mem->prev->next = mem->next;
if (mem->next)
mem->next->prev = mem->prev;
if (mem->ctx->buffers == mem)
mem->ctx->buffers = mem->next;
pthread_mutex_unlock(&mem->ctx->buffer_lock);
cl_context_delete(mem->ctx);
/* Someone still mapped, unmap */
if(mem->map_ref > 0) {
assert(mem->mapped_ptr);
for(i=0; i<mem->mapped_ptr_sz; i++) {
if(mem->mapped_ptr[i].ptr != NULL) {
mem->map_ref--;
cl_mem_unmap_gtt(mem);
}
}
assert(mem->map_ref == 0);
}
if (mem->mapped_ptr)
free(mem->mapped_ptr);
if (mem->dstr_cb) {
cl_mem_dstr_cb *cb = mem->dstr_cb;
while (mem->dstr_cb) {
cb = mem->dstr_cb;
cb->pfn_notify(mem, cb->user_data);
mem->dstr_cb = cb->next;
free(cb);
}
}
/* Iff we are sub, do nothing for bo release. */
if (mem->type == CL_MEM_SUBBUFFER_TYPE) {
struct _cl_mem_buffer* buffer = (struct _cl_mem_buffer*)mem;
/* Remove it from the parent's list */
assert(buffer->parent);
pthread_mutex_lock(&buffer->parent->sub_lock);
if (buffer->sub_prev)
buffer->sub_prev->sub_next = buffer->sub_next;
if (buffer->sub_next)
buffer->sub_next->sub_prev = buffer->sub_prev;
if (buffer->parent->subs == buffer)
buffer->parent->subs = buffer->sub_next;
pthread_mutex_unlock(&buffer->parent->sub_lock);
cl_mem_delete((cl_mem )(buffer->parent));
} else if (LIKELY(mem->bo != NULL)) {
cl_buffer_unreference(mem->bo);
}
cl_free(mem);
}