60 lines
2.3 KiB
C++
60 lines
2.3 KiB
C++
/*
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* Copyright 2024 Google LLC
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef skgpu_graphite_precompile_Precompile_DEFINED
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#define skgpu_graphite_precompile_Precompile_DEFINED
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#include "include/core/SkColorSpace.h"
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#include "include/core/SkColorType.h"
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#include "include/core/SkSpan.h"
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#include "include/gpu/graphite/GraphiteTypes.h"
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namespace skgpu::graphite {
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class PaintOptions;
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class PrecompileContext;
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/**
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* Describes the required properties of a RenderPass that will be combined with the
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* other portions of the Precompilation API (i.e., paintOptions and drawTypes) to yield
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* a pipeline.
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*/
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struct SK_API RenderPassProperties {
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bool operator==(const RenderPassProperties& other) const {
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return fDSFlags == other.fDSFlags &&
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fDstCT == other.fDstCT &&
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fRequiresMSAA == other.fRequiresMSAA &&
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SkColorSpace::Equals(fDstCS.get(), other.fDstCS.get());
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}
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bool operator!= (const RenderPassProperties& other) const { return !(*this == other); }
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DepthStencilFlags fDSFlags = DepthStencilFlags::kNone;
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SkColorType fDstCT = kRGBA_8888_SkColorType;
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sk_sp<SkColorSpace> fDstCS = nullptr;
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bool fRequiresMSAA = false;
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};
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/**
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* Precompilation allows clients to create pipelines ahead of time based on what they expect
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* to draw. This can reduce performance hitches, due to inline compilation, during the actual
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* drawing. Graphite will always be able to perform an inline compilation if some SkPaint
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* combination was omitted from precompilation.
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*
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* @param precompileContext thread-safe helper holding required portions of the Context
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* @param paintOptions captures a set of SkPaints that will be drawn
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* @param drawTypes communicates which primitives those paints will be drawn with
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* @param renderPassProperties describes the RenderPasses needed for the desired Pipelines
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*/
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void SK_API Precompile(PrecompileContext* precompileContext,
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const PaintOptions& paintOptions,
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DrawTypeFlags drawTypes,
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SkSpan<const RenderPassProperties> renderPassProperties);
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} // namespace skgpu::graphite
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#endif // skgpu_graphite_precompile_Precompile_DEFINED
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