xref: /aosp_15_r20/external/skia/src/gpu/graphite/precompile/PrecompileBaseComplete.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
1 /*
2  * Copyright 2024 Google LLC
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #ifndef skgpu_graphite_precompile_PrecompileBaseComplete_DEFINED
9 #define skgpu_graphite_precompile_PrecompileBaseComplete_DEFINED
10 
11 #include "include/gpu/graphite/precompile/PrecompileBase.h"
12 
13 // This file simply provides the missing implementations of SelectOption and AddToKey.
14 // In practice PrecompileBase.h should never be used internally and this header should be
15 // used in its place.
16 namespace skgpu::graphite {
17 
18 template<typename T>
SelectOption(SkSpan<const sk_sp<T>> options,int desiredOption)19 std::pair<sk_sp<T>, int> PrecompileBase::SelectOption(SkSpan<const sk_sp<T>> options,
20                                                       int desiredOption) {
21     for (const sk_sp<T>& option : options) {
22         if (desiredOption < (option ? option->numCombinations() : 1)) {
23             return { option, desiredOption };
24         }
25         desiredOption -= option ? option->numCombinations() : 1;
26     }
27     return { nullptr, 0 };
28 }
29 
30 template<typename T>
AddToKey(const KeyContext & keyContext,PaintParamsKeyBuilder * builder,PipelineDataGatherer * gatherer,SkSpan<const sk_sp<T>> options,int desiredOption)31 void PrecompileBase::AddToKey(const KeyContext& keyContext,
32                               PaintParamsKeyBuilder* builder,
33                               PipelineDataGatherer* gatherer,
34                               SkSpan<const sk_sp<T>> options,
35                               int desiredOption) {
36     auto [option, childOptions] = SelectOption(options, desiredOption);
37     if (option) {
38         option->priv().addToKey(keyContext, builder, gatherer, childOptions);
39     }
40 }
41 
42 } // namespace skgpu::graphite
43 
44 #endif // skgpu_graphite_precompile_PrecompileBaseComplete_DEFINED
45