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</pre><pre class="rust ">
<span class="doccomment">//! A convenient wrapper for `Program` and `Queue`.</span>
<span class="comment">// use std::convert::Into;</span>
<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">ops</span>::<span class="ident">Deref</span>;
<span class="kw">use</span> <span class="ident">core</span>::<span class="ident">error</span>::{<span class="prelude-ty">Result</span> <span class="kw">as</span> <span class="ident">OclResult</span>, <span class="ident">Error</span> <span class="kw">as</span> <span class="ident">OclError</span>};
<span class="kw">use</span> <span class="ident">core</span>::{<span class="ident">OclPrm</span>, <span class="ident">CommandQueueProperties</span>};
<span class="kw">use</span> <span class="ident">standard</span>::{<span class="ident">Platform</span>, <span class="ident">Device</span>, <span class="ident">Context</span>, <span class="ident">ProgramBuilder</span>, <span class="ident">Program</span>, <span class="ident">Queue</span>, <span class="ident">Kernel</span>, <span class="ident">Buffer</span>,
<span class="ident">MemLen</span>, <span class="ident">SpatialDims</span>, <span class="ident">WorkDims</span>, <span class="ident">DeviceSpecifier</span>};
<span class="kw">static</span> <span class="ident">DIMS_ERR_MSG</span>: <span class="kw-2">&</span><span class="lifetime">'static</span> <span class="ident">str</span> <span class="op">=</span> <span class="string">"This 'ProQue' has not had any dimensions specified. Use
'ProQueBuilder::dims' during creation or 'ProQue::set_dims' after creation to specify."</span>;
<span class="kw">const</span> <span class="ident">DEBUG_PRINT</span>: <span class="ident">bool</span> <span class="op">=</span> <span class="bool-val">false</span>;
<span class="doccomment">/// An all-in-one chimera of the `Program`, `Queue`, `Context` and</span>
<span class="doccomment">/// (optionally) `SpatialDims` types.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Handy when you only need a single context, program, and queue for your</span>
<span class="doccomment">/// project or when using a unique context and program on each device.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// All `ProQue` functionality is also provided separately by the `Context`, `Queue`,</span>
<span class="doccomment">/// `Program`, and `SpatialDims` types.</span>
<span class="doccomment">///</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Creation</span>
<span class="doccomment">///</span>
<span class="doccomment">/// There are two ways to create a `ProQue`:</span>
<span class="doccomment">///</span>
<span class="doccomment">/// 1. [Recommended] Use `ProQue::builder` or `ProQueBuilder::new()`.</span>
<span class="doccomment">/// 2. Call `::new` and pass pre-created components.</span>
<span class="doccomment">///</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Destruction</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Now handled automatically. Freely use, store, clone, discard, share among</span>
<span class="doccomment">/// threads... put some on your toast... whatever.</span>
<span class="doccomment">///</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Debug</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">ProQue</span> {
<span class="ident">context</span>: <span class="ident">Context</span>,
<span class="ident">queue</span>: <span class="ident">Queue</span>,
<span class="ident">program</span>: <span class="ident">Program</span>,
<span class="ident">dims</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">SpatialDims</span><span class="op">></span>,
}
<span class="kw">impl</span> <span class="ident">ProQue</span> {
<span class="doccomment">/// Returns a new `ProQueBuilder`.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This is the recommended way to create a new `ProQue`.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Calling `ProQueBuilder::build()` will return a new `ProQue`.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">builder</span>() <span class="op">-></span> <span class="ident">ProQueBuilder</span> {
<span class="ident">ProQueBuilder</span>::<span class="ident">new</span>()
}
<span class="doccomment">/// Creates a new ProQue from individual parts.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Use `::builder` instead unless you know what you're doing. Creating</span>
<span class="doccomment">/// from components associated with different devices or contexts will</span>
<span class="doccomment">/// cause errors later on.</span>
<span class="doccomment">///</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span><span class="op"><</span><span class="ident">D</span>: <span class="ident">Into</span><span class="op"><</span><span class="ident">SpatialDims</span><span class="op">>></span>(<span class="ident">context</span>: <span class="ident">Context</span>, <span class="ident">queue</span>: <span class="ident">Queue</span>, <span class="ident">program</span>: <span class="ident">Program</span>,
<span class="ident">dims</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">D</span><span class="op">></span>) <span class="op">-></span> <span class="ident">ProQue</span>
{
<span class="ident">ProQue</span> {
<span class="ident">context</span>: <span class="ident">context</span>,
<span class="ident">queue</span>: <span class="ident">queue</span>,
<span class="ident">program</span>: <span class="ident">program</span>,
<span class="ident">dims</span>: <span class="ident">dims</span>.<span class="ident">map</span>(<span class="op">|</span><span class="ident">d</span><span class="op">|</span> <span class="ident">d</span>.<span class="ident">into</span>()),
}
}
<span class="doccomment">/// Creates a kernel with pre-assigned dimensions.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">create_kernel</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">name</span>: <span class="kw-2">&</span><span class="ident">str</span>) <span class="op">-></span> <span class="ident">OclResult</span><span class="op"><</span><span class="ident">Kernel</span><span class="op">></span> {
<span class="kw">let</span> <span class="ident">kernel</span> <span class="op">=</span> <span class="ident">Kernel</span>::<span class="ident">new</span>(<span class="ident">name</span>.<span class="ident">to_string</span>(), <span class="kw-2">&</span><span class="self">self</span>.<span class="ident">program</span>)<span class="question-mark">?</span>
.<span class="ident">queue</span>(<span class="self">self</span>.<span class="ident">queue</span>.<span class="ident">clone</span>());
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">dims</span> {
<span class="prelude-val">Some</span>(<span class="ident">d</span>) <span class="op">=></span> <span class="prelude-val">Ok</span>(<span class="ident">kernel</span>.<span class="ident">gws</span>(<span class="ident">d</span>)),
<span class="prelude-val">None</span> <span class="op">=></span> <span class="prelude-val">Ok</span>(<span class="ident">kernel</span>),
}
}
<span class="doccomment">/// Returns a new buffer.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The default dimensions and queue from this `ProQue` will be used.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The buffer will be filled with zeros upon creation, blocking the</span>
<span class="doccomment">/// current thread until completion.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Use `Buffer::builder()` (or `BufferBuilder::new()`) for access to the</span>
<span class="doccomment">/// full range of buffer creation options.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This `ProQue` must have been pre-configured with default dimensions.</span>
<span class="doccomment">/// If not, set them with `::set_dims`, or just create a buffer using</span>
<span class="doccomment">/// `Buffer::builder()` instead.</span>
<span class="doccomment">///</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">create_buffer</span><span class="op"><</span><span class="ident">T</span>: <span class="ident">OclPrm</span><span class="op">></span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">OclResult</span><span class="op"><</span><span class="ident">Buffer</span><span class="op"><</span><span class="ident">T</span><span class="op">>></span> {
<span class="kw">let</span> <span class="ident">dims</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="self">self</span>.<span class="ident">dims_result</span>());
<span class="comment">// Buffer::<T>::new(self.queue.clone(), None, dims, None)</span>
<span class="comment">// Buffer::<T>::new(self.queue.clone(), None, dims, None, None)</span>
<span class="ident">Buffer</span>::<span class="op"><</span><span class="ident">T</span><span class="op">></span>::<span class="ident">builder</span>()
.<span class="ident">queue</span>(<span class="self">self</span>.<span class="ident">queue</span>.<span class="ident">clone</span>())
.<span class="ident">dims</span>(<span class="ident">dims</span>)
.<span class="ident">fill_val</span>(<span class="ident">Default</span>::<span class="ident">default</span>(), <span class="prelude-val">None</span>::<span class="op"><</span><span class="kw-2">&</span><span class="kw-2">mut</span> ::<span class="ident">Event</span><span class="op">></span>)
.<span class="ident">build</span>()
}
<span class="doccomment">/// Sets the default dimensions used when creating buffers and kernels.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">set_dims</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">Into</span><span class="op"><</span><span class="ident">SpatialDims</span><span class="op">>></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">dims</span>: <span class="ident">S</span>) {
<span class="self">self</span>.<span class="ident">dims</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">dims</span>.<span class="ident">into</span>());
}
<span class="doccomment">/// Returns the maximum workgroup size supported by the device associated</span>
<span class="doccomment">/// with this `ProQue`.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [UNSTABLE]: Evaluate usefulness.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">max_wg_size</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">OclResult</span><span class="op"><</span><span class="ident">usize</span><span class="op">></span> {
<span class="self">self</span>.<span class="ident">queue</span>.<span class="ident">device</span>().<span class="ident">max_wg_size</span>()
}
<span class="doccomment">/// Returns a reference to the queue associated with this ProQue.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">queue</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">Queue</span> {
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">queue</span>
}
<span class="doccomment">/// Returns the contained context.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">context</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">Context</span> {
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">context</span>
}
<span class="doccomment">/// Returns the current program build.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">program</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">Program</span> {
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">program</span>
}
<span class="doccomment">/// Returns the current `dims` or panics.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [UNSTABLE]: Evaluate which 'dims' method to keep. Leaning towards this</span>
<span class="doccomment">/// version at the moment.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">dims</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">SpatialDims</span> {
<span class="self">self</span>.<span class="ident">dims_result</span>().<span class="ident">expect</span>(<span class="ident">DIMS_ERR_MSG</span>)
}
<span class="doccomment">/// Returns the current `dims` or an error.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// [UNSTABLE]: Evaluate which 'dims' method to keep. Leaning towards the</span>
<span class="doccomment">/// above, panicing version at the moment.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">dims_result</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">OclResult</span><span class="op"><</span><span class="kw-2">&</span><span class="ident">SpatialDims</span><span class="op">></span> {
<span class="kw">match</span> <span class="self">self</span>.<span class="ident">dims</span> {
<span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">dims</span>) <span class="op">=></span> <span class="prelude-val">Ok</span>(<span class="ident">dims</span>),
<span class="prelude-val">None</span> <span class="op">=></span> <span class="ident">OclError</span>::<span class="ident">err_string</span>(<span class="ident">DIMS_ERR_MSG</span>),
}
}
}
<span class="kw">impl</span> <span class="ident">MemLen</span> <span class="kw">for</span> <span class="ident">ProQue</span> {
<span class="kw">fn</span> <span class="ident">to_len</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">usize</span> {
<span class="self">self</span>.<span class="ident">dims</span>().<span class="ident">to_len</span>()
}
<span class="kw">fn</span> <span class="ident">to_len_padded</span>(<span class="kw-2">&</span><span class="self">self</span>, <span class="ident">incr</span>: <span class="ident">usize</span>) <span class="op">-></span> <span class="ident">usize</span> {
<span class="self">self</span>.<span class="ident">dims</span>().<span class="ident">to_len_padded</span>(<span class="ident">incr</span>)
}
<span class="kw">fn</span> <span class="ident">to_lens</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> [<span class="ident">usize</span>; <span class="number">3</span>] {
<span class="self">self</span>.<span class="ident">dims_result</span>().<span class="ident">expect</span>(<span class="string">"ocl::ProQue::to_lens()"</span>)
.<span class="ident">to_lens</span>().<span class="ident">expect</span>(<span class="string">"ocl::ProQue::to_lens()"</span>)
}
}
<span class="kw">impl</span> <span class="ident">WorkDims</span> <span class="kw">for</span> <span class="ident">ProQue</span> {
<span class="kw">fn</span> <span class="ident">dim_count</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">u32</span> {
<span class="self">self</span>.<span class="ident">dims_result</span>().<span class="ident">expect</span>(<span class="string">"ProQue::dim_count"</span>).<span class="ident">dim_count</span>()
}
<span class="kw">fn</span> <span class="ident">to_work_size</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span>[<span class="ident">usize</span>; <span class="number">3</span>]<span class="op">></span> {
<span class="self">self</span>.<span class="ident">dims_result</span>().<span class="ident">expect</span>(<span class="string">"ProQue::to_work_size"</span>).<span class="ident">to_work_size</span>()
}
<span class="kw">fn</span> <span class="ident">to_work_offset</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="prelude-ty">Option</span><span class="op"><</span>[<span class="ident">usize</span>; <span class="number">3</span>]<span class="op">></span> {
<span class="self">self</span>.<span class="ident">dims_result</span>().<span class="ident">expect</span>(<span class="string">"ProQue::to_work_offset"</span>).<span class="ident">to_work_offset</span>()
}
}
<span class="kw">impl</span> <span class="ident">Deref</span> <span class="kw">for</span> <span class="ident">ProQue</span> {
<span class="kw">type</span> <span class="ident">Target</span> <span class="op">=</span> <span class="ident">Queue</span>;
<span class="kw">fn</span> <span class="ident">deref</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="ident">Queue</span> {
<span class="kw-2">&</span><span class="self">self</span>.<span class="ident">queue</span>
}
}
<span class="doccomment">/// A builder for `ProQue`.</span>
<span class="attribute">#[<span class="ident">must_use</span> <span class="op">=</span> <span class="string">"builders do nothing unless '::build' is called"</span>]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">ProQueBuilder</span> {
<span class="ident">platform</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Platform</span><span class="op">></span>,
<span class="ident">context</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">Context</span><span class="op">></span>,
<span class="ident">device_spec</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">DeviceSpecifier</span><span class="op">></span>,
<span class="ident">program_builder</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">ProgramBuilder</span><span class="op">></span>,
<span class="ident">dims</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">SpatialDims</span><span class="op">></span>,
<span class="ident">queue_properties</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">CommandQueueProperties</span><span class="op">></span>,
}
<span class="kw">impl</span> <span class="ident">ProQueBuilder</span> {
<span class="doccomment">/// Returns a new `ProQueBuilder` with an empty / default configuration.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// The minimum amount of configuration possible before calling `::build` is to</span>
<span class="doccomment">/// simply assign some source code using `::src`.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// For full configuration options, separately create a `Context` and</span>
<span class="doccomment">/// `ProgramBuilder` (do not `::build` the `ProgramBuilder`, its device</span>
<span class="doccomment">/// list must be set by this `ProQueBuilder` to assure consistency) then</span>
<span class="doccomment">/// pass them as arguments to the `::context` and `::prog_bldr` methods</span>
<span class="doccomment">/// respectively.</span>
<span class="doccomment">///</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>() <span class="op">-></span> <span class="ident">ProQueBuilder</span> {
<span class="ident">ProQueBuilder</span> {
<span class="ident">platform</span>: <span class="prelude-val">None</span>,
<span class="ident">context</span>: <span class="prelude-val">None</span>,
<span class="ident">device_spec</span>: <span class="prelude-val">None</span>,
<span class="ident">program_builder</span>: <span class="prelude-val">None</span>,
<span class="ident">dims</span>: <span class="prelude-val">None</span>,
<span class="ident">queue_properties</span>: <span class="prelude-val">None</span>,
}
}
<span class="doccomment">/// Sets the platform to be used and returns the builder.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If context is set, this will panic upon building. Only one or the other</span>
<span class="doccomment">/// can be configured.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">platform</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">platform</span>: <span class="ident">Platform</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ProQueBuilder</span> {
<span class="self">self</span>.<span class="ident">platform</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">platform</span>);
<span class="self">self</span>
}
<span class="doccomment">/// Sets the context and returns the `ProQueBuilder`.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// # Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If platform is set, this will panic upon building. Only one or the other</span>
<span class="doccomment">/// can be configured.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">context</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">context</span>: <span class="ident">Context</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ProQueBuilder</span> {
<span class="self">self</span>.<span class="ident">context</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">context</span>);
<span class="self">self</span>
}
<span class="doccomment">/// Sets a device or devices to be used and returns a `ProQueBuilder`</span>
<span class="doccomment">/// reference.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Must specify only a single device.</span>
<span class="doccomment">///</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">device</span><span class="op"><</span><span class="ident">D</span>: <span class="ident">Into</span><span class="op"><</span><span class="ident">DeviceSpecifier</span><span class="op">>></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">device_spec</span>: <span class="ident">D</span>)
<span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ProQueBuilder</span>
{
<span class="macro">assert</span><span class="macro">!</span>(<span class="self">self</span>.<span class="ident">device_spec</span>.<span class="ident">is_none</span>(), <span class="string">"ocl::ProQue::devices: Devices already specified"</span>);
<span class="self">self</span>.<span class="ident">device_spec</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">device_spec</span>.<span class="ident">into</span>());
<span class="self">self</span>
}
<span class="doccomment">/// Adds some source code to be compiled and returns the `ProQueBuilder`.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Creates a `ProgramBuilder` if one has not already been added. Attempts</span>
<span class="doccomment">/// to call `::program_builder` after calling this method will cause a panic.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// If you need a more complex build configuration or to add multiple</span>
<span class="doccomment">/// source files. Pass an *unbuilt* `ProgramBuilder` to the</span>
<span class="doccomment">/// `::program_builder` method (described below).</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">src</span><span class="op"><</span><span class="ident">S</span>: <span class="ident">Into</span><span class="op"><</span><span class="ident">String</span><span class="op">>></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">src</span>: <span class="ident">S</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ProQueBuilder</span> {
<span class="kw">if</span> <span class="self">self</span>.<span class="ident">program_builder</span>.<span class="ident">is_some</span>() {
<span class="macro">panic</span><span class="macro">!</span>(<span class="string">"ocl::ProQueBuilder::src: Cannot set src if a 'ProgramBuilder' is already \
defined. Please use the '::program_builder' method for more complex build \
configurations."</span>);
} <span class="kw">else</span> {
<span class="self">self</span>.<span class="ident">program_builder</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">Program</span>::<span class="ident">builder</span>().<span class="ident">src</span>(<span class="ident">src</span>))
}
<span class="self">self</span>
}
<span class="doccomment">/// Adds a pre-configured `ProgramBuilder` and returns the `ProQueBuilder`.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ## Panics</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This `ProQueBuilder` may not already contain a `ProgramBuilder`.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// `program_builder` must not have any device indices configured (via its</span>
<span class="doccomment">/// `::device_idxs` method). `ProQueBuilder` will only build programs for</span>
<span class="doccomment">/// the device specified by `::device_idx` or the default device if none has</span>
<span class="doccomment">/// been specified.</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">prog_bldr</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">program_builder</span>: <span class="ident">ProgramBuilder</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ProQueBuilder</span> {
<span class="macro">assert</span><span class="macro">!</span>(<span class="self">self</span>.<span class="ident">program_builder</span>.<span class="ident">is_none</span>(), <span class="string">"ProQueBuilder::prog_bldr(): Cannot set the \
'ProgramBuilder' using this method after one has already been set or after '::src' has \
been called."</span>);
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">program_builder</span>.<span class="ident">get_device_spec</span>().<span class="ident">is_none</span>(), <span class="string">"ProQueBuilder::prog_bldr(): The \
'ProgramBuilder' passed may not have any device indices set as they will be unused. \
See 'ProQueBuilder' documentation for more information."</span>);
<span class="self">self</span>.<span class="ident">program_builder</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">program_builder</span>);
<span class="self">self</span>
}
<span class="doccomment">/// Sets the built-in dimensions.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This is optional.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Use if you want to be able to call the `::create_kernel` or</span>
<span class="doccomment">/// `::create_buffer` methods on the `ProQue` created by this builder.</span>
<span class="doccomment">/// Dimensions can alternatively be set after building by using the</span>
<span class="doccomment">/// `ProQue::set_dims` method.</span>
<span class="doccomment">///</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">dims</span><span class="op"><</span><span class="ident">D</span>: <span class="ident">Into</span><span class="op"><</span><span class="ident">SpatialDims</span><span class="op">>></span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">dims</span>: <span class="ident">D</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ProQueBuilder</span> {
<span class="self">self</span>.<span class="ident">dims</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">dims</span>.<span class="ident">into</span>());
<span class="self">self</span>
}
<span class="doccomment">/// Sets the command queue properties.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// Optional.</span>
<span class="doccomment">///</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">queue_properties</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="self">self</span>, <span class="ident">props</span>: <span class="ident">CommandQueueProperties</span>) <span class="op">-></span> <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">ProQueBuilder</span> {
<span class="self">self</span>.<span class="ident">queue_properties</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">props</span>);
<span class="self">self</span>
}
<span class="doccomment">/// Returns a new `ProQue`.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// ## Errors</span>
<span class="doccomment">///</span>
<span class="doccomment">/// A `ProgramBuilder` or some source code must have been specified with</span>
<span class="doccomment">/// `::prog_bldr` or `::src` before building.</span>
<span class="doccomment">///</span>
<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">build</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-></span> <span class="ident">OclResult</span><span class="op"><</span><span class="ident">ProQue</span><span class="op">></span> {
<span class="kw">let</span> <span class="ident">program_builder</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">program_builder</span> {
<span class="comment">// Some(program_builder) => ProQueBuilder::_build(self.context, self.device_idx, program_builder),</span>
<span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">program_builder</span>) <span class="op">=></span> <span class="ident">program_builder</span>,
<span class="prelude-val">None</span> <span class="op">=></span> <span class="kw">return</span> <span class="ident">OclError</span>::<span class="ident">err_string</span>(<span class="string">"ProQueBuilder::build(): No program builder or kernel source defined. \
OpenCL programs must have some source code to be compiled. Use '::src' to directly \
add source code or '::program_builder' for more complex builds. Please see the \
'ProQueBuilder' and 'ProgramBuilder' documentation for more information."</span>),
};
<span class="comment">// If no platform is set or no context platform is set, use the first available:</span>
<span class="kw">let</span> <span class="ident">platform</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">platform</span> {
<span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">plt</span>) <span class="op">=></span> {
<span class="macro">assert</span><span class="macro">!</span>(<span class="self">self</span>.<span class="ident">context</span>.<span class="ident">is_none</span>(), <span class="string">"ocl::ProQueBuilder::build: \
platform and context cannot both be set."</span>);
<span class="ident">plt</span>.<span class="ident">clone</span>()
},
<span class="prelude-val">None</span> <span class="op">=></span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">context</span> {
<span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">context</span>) <span class="op">=></span> {
<span class="kw">let</span> <span class="ident">plat</span> <span class="op">=</span> <span class="ident">context</span>.<span class="ident">platform</span>()<span class="question-mark">?</span>;
<span class="kw">if</span> <span class="ident">DEBUG_PRINT</span> { <span class="macro">println</span><span class="macro">!</span>(<span class="string">"ProQue::build(): plat: {:?}, default: {:?}"</span>,
<span class="ident">plat</span>, <span class="ident">Platform</span>::<span class="ident">default</span>()); }
<span class="kw">match</span> <span class="ident">plat</span> {
<span class="prelude-val">Some</span>(<span class="ident">platform</span>) <span class="op">=></span> <span class="ident">platform</span>.<span class="ident">clone</span>(),
<span class="prelude-val">None</span> <span class="op">=></span> <span class="ident">Platform</span>::<span class="ident">default</span>(),
}
},
<span class="prelude-val">None</span> <span class="op">=></span> <span class="ident">Platform</span>::<span class="ident">default</span>(),
},
};
<span class="comment">// Resolve the device and ensure only one was specified.</span>
<span class="kw">let</span> <span class="ident">device</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">device_spec</span> {
<span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">ds</span>) <span class="op">=></span> {
<span class="kw">let</span> <span class="ident">device_list</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">ds</span>.<span class="ident">to_device_list</span>(<span class="prelude-val">Some</span>(<span class="ident">platform</span>)));
<span class="kw">if</span> <span class="ident">device_list</span>.<span class="ident">len</span>() <span class="op">==</span> <span class="number">1</span> {
<span class="ident">device_list</span>[<span class="number">0</span>]
} <span class="kw">else</span> {
<span class="kw">return</span> <span class="ident">OclError</span>::<span class="ident">err_string</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"Invalid number of devices specified ({}). Each 'ProQue' \
can only be associated with a single device. Use 'Context', 'Program', and \
'Queue' separately for multi-device configurations."</span>, <span class="ident">device_list</span>.<span class="ident">len</span>()));
}
},
<span class="prelude-val">None</span> <span class="op">=></span> <span class="ident">Device</span>::<span class="ident">first</span>(<span class="ident">platform</span>),
};
<span class="kw">if</span> <span class="ident">DEBUG_PRINT</span> { <span class="macro">println</span><span class="macro">!</span>(<span class="string">"ProQue::build(): device: {:?}"</span>, <span class="ident">device</span>); }
<span class="comment">// If no context was set, creates one using the above platform and the</span>
<span class="comment">// pre-set device index (default [0]).</span>
<span class="kw">let</span> <span class="ident">context</span> <span class="op">=</span> <span class="kw">match</span> <span class="self">self</span>.<span class="ident">context</span> {
<span class="prelude-val">Some</span>(<span class="kw-2">ref</span> <span class="ident">ctx</span>) <span class="op">=></span> {
<span class="macro">assert</span><span class="macro">!</span>(<span class="ident">ctx</span>.<span class="ident">devices</span>().<span class="ident">contains</span>(<span class="kw-2">&</span><span class="ident">device</span>));
<span class="ident">ctx</span>.<span class="ident">clone</span>()
}
<span class="prelude-val">None</span> <span class="op">=></span> {
<span class="macro">try</span><span class="macro">!</span>(<span class="ident">Context</span>::<span class="ident">builder</span>()
.<span class="ident">platform</span>(<span class="ident">platform</span>)
.<span class="ident">devices</span>(<span class="ident">device</span>)
.<span class="ident">build</span>())
},
};
<span class="kw">if</span> <span class="ident">DEBUG_PRINT</span> { <span class="macro">println</span><span class="macro">!</span>(<span class="string">"ProQue::build(): context.devices(): {:?}"</span>, <span class="ident">context</span>.<span class="ident">devices</span>()); }
<span class="kw">let</span> <span class="ident">queue</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">Queue</span>::<span class="ident">new</span>(<span class="kw-2">&</span><span class="ident">context</span>, <span class="ident">device</span>, <span class="self">self</span>.<span class="ident">queue_properties</span>));
<span class="comment">// println!("PROQUEBUILDER: About to load SRC_STRINGS.");</span>
<span class="kw">let</span> <span class="ident">src_strings</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">program_builder</span>.<span class="ident">get_src_strings</span>().<span class="ident">map_err</span>(<span class="op">|</span><span class="ident">e</span><span class="op">|</span> <span class="ident">e</span>.<span class="ident">to_string</span>()));
<span class="comment">// println!("PROQUEBUILDER: About to load CMPLR_OPTS.");</span>
<span class="kw">let</span> <span class="ident">cmplr_opts</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">program_builder</span>.<span class="ident">get_compiler_options</span>().<span class="ident">map_err</span>(<span class="op">|</span><span class="ident">e</span><span class="op">|</span> <span class="ident">e</span>.<span class="ident">to_string</span>()));
<span class="comment">// println!("PROQUEBUILDER: All done.");</span>
<span class="kw">let</span> <span class="ident">program</span> <span class="op">=</span> <span class="macro">try</span><span class="macro">!</span>(<span class="ident">Program</span>::<span class="ident">new</span>(
<span class="kw-2">&</span><span class="ident">context</span>,
<span class="ident">src_strings</span>,
<span class="prelude-val">Some</span>(<span class="kw-2">&</span>[<span class="ident">device</span>]),
<span class="comment">// None,</span>
<span class="ident">cmplr_opts</span>,
));
<span class="prelude-val">Ok</span>(<span class="ident">ProQue</span>::<span class="ident">new</span>(<span class="ident">context</span>, <span class="ident">queue</span>, <span class="ident">program</span>, <span class="self">self</span>.<span class="ident">dims</span>))
}
}
</pre>
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