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/*
* Copyright 2022 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef skgpu_graphite_DawnResourceProvider_DEFINED
#define skgpu_graphite_DawnResourceProvider_DEFINED
#include "include/gpu/graphite/dawn/DawnTypes.h"
#include "src/core/SkLRUCache.h"
#include "src/core/SkTHash.h"
#include "src/gpu/graphite/ResourceProvider.h"
namespace skgpu::graphite {
class DawnGraphicsPipeline;
class DawnSampler;
class DawnSharedContext;
class DawnTexture;
class DawnBuffer;
class DawnResourceProvider final : public ResourceProvider {
public:
DawnResourceProvider(SharedContext* sharedContext,
SingleOwner*,
uint32_t recorderID,
size_t resourceBudget);
~DawnResourceProvider() override;
sk_sp<DawnTexture> findOrCreateDiscardableMSAALoadTexture(SkISize dimensions,
const TextureInfo& msaaInfo);
wgpu::RenderPipeline findOrCreateBlitWithDrawPipeline(const RenderPassDesc& renderPassDesc);
sk_sp<DawnBuffer> findOrCreateDawnBuffer(size_t size,
BufferType type,
AccessPattern,
std::string_view label);
const wgpu::BindGroupLayout& getOrCreateUniformBuffersBindGroupLayout();
const wgpu::BindGroupLayout& getOrCreateSingleTextureSamplerBindGroupLayout();
// Find the cached bind group or create a new one based on the bound buffers and their
// binding sizes (boundBuffersAndSizes) for these uniforms (in order):
// - Intrinsic constants.
// - Render step uniforms.
// - Paint uniforms.
const wgpu::BindGroup& findOrCreateUniformBuffersBindGroup(
const std::array<std::pair<const DawnBuffer*, uint32_t>, 3>& boundBuffersAndSizes);
// Find or create a bind group containing the given sampler & texture.
const wgpu::BindGroup& findOrCreateSingleTextureSamplerBindGroup(const DawnSampler* sampler,
const DawnTexture* texture);
const sk_sp<DawnBuffer>& getOrCreateIntrinsicConstantBuffer();
private:
sk_sp<GraphicsPipeline> createGraphicsPipeline(const RuntimeEffectDictionary*,
const GraphicsPipelineDesc&,
const RenderPassDesc&) override;
sk_sp<ComputePipeline> createComputePipeline(const ComputePipelineDesc&) override;
sk_sp<Texture> createTexture(SkISize, const TextureInfo&, skgpu::Budgeted) override;
sk_sp<Buffer> createBuffer(size_t size, BufferType type, AccessPattern) override;
sk_sp<Texture> onCreateWrappedTexture(const BackendTexture&) override;
sk_sp<Sampler> createSampler(const SamplerDesc&) override;
BackendTexture onCreateBackendTexture(SkISize dimensions, const TextureInfo&) override;
void onDeleteBackendTexture(const BackendTexture&) override;
const wgpu::Buffer& getOrCreateNullBuffer();
DawnSharedContext* dawnSharedContext() const;
skia_private::THashMap<uint64_t, wgpu::RenderPipeline> fBlitWithDrawPipelines;
wgpu::BindGroupLayout fUniformBuffersBindGroupLayout;
wgpu::BindGroupLayout fSingleTextureSamplerBindGroupLayout;
wgpu::Buffer fNullBuffer;
sk_sp<DawnBuffer> fIntrinsicConstantBuffer;
struct UniqueKeyHash {
uint32_t operator()(const skgpu::UniqueKey& key) const { return key.hash(); }
};
using BindGroupCache = SkLRUCache<UniqueKey, wgpu::BindGroup, UniqueKeyHash>;
BindGroupCache fUniformBufferBindGroupCache;
BindGroupCache fSingleTextureSamplerBindGroups;
};
} // namespace skgpu::graphite
#endif // skgpu_graphite_DawnResourceProvider_DEFINED