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compute_pass_bindings_cache_mtl.h
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_COMPUTE_PASS_BINDINGS_CACHE_MTL_H_
6 #define FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_COMPUTE_PASS_BINDINGS_CACHE_MTL_H_
7
8 #include <Metal/Metal.h>
9
10 #include "impeller/renderer/compute_pass.h"
11 #include "impeller/renderer/pipeline_descriptor.h"
12
13 namespace impeller {
14
15 //-----------------------------------------------------------------------------
16 /// @brief Ensures that bindings on the pass are not redundantly set or
17 /// updated. Avoids making the driver do additional checks and makes
18 /// the frame insights during profiling and instrumentation not
19 /// complain about the same.
20 ///
21 /// There should be no change to rendering if this caching was
22 /// absent.
23 ///
24 struct ComputePassBindingsCacheMTL {
25 explicit ComputePassBindingsCacheMTL() {}
26
27 ComputePassBindingsCacheMTL(const ComputePassBindingsCacheMTL&) = delete;
28
29 ComputePassBindingsCacheMTL(ComputePassBindingsCacheMTL&&) = delete;
30
31 void SetComputePipelineState(id<MTLComputePipelineState> pipeline);
32
33 id<MTLComputePipelineState> GetPipeline() const;
34
35 void SetEncoder(id<MTLComputeCommandEncoder> encoder);
36
37 void SetBuffer(uint64_t index, uint64_t offset, id<MTLBuffer> buffer);
38
39 void SetTexture(uint64_t index, id<MTLTexture> texture);
40
41 void SetSampler(uint64_t index, id<MTLSamplerState> sampler);
42
43 private:
44 struct BufferOffsetPair {
45 id<MTLBuffer> buffer = nullptr;
46 size_t offset = 0u;
47 };
48 using BufferMap = std::map<uint64_t, BufferOffsetPair>;
49 using TextureMap = std::map<uint64_t, id<MTLTexture>>;
50 using SamplerMap = std::map<uint64_t, id<MTLSamplerState>>;
51
52 id<MTLComputeCommandEncoder> encoder_;
53 id<MTLComputePipelineState> pipeline_ = nullptr;
54 BufferMap buffers_;
55 TextureMap textures_;
56 SamplerMap samplers_;
57 };
58
59 } // namespace impeller
60
61 #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_COMPUTE_PASS_BINDINGS_CACHE_MTL_H_
impeller::ComputePassBindingsCacheMTL::SetTexture
void SetTexture(uint64_t index, id< MTLTexture > texture)
Definition: compute_pass_bindings_cache_mtl.mm:49
impeller::ComputePassBindingsCacheMTL
Ensures that bindings on the pass are not redundantly set or updated. Avoids making the driver do add...
Definition: compute_pass_bindings_cache_mtl.h:24
impeller::ComputePassBindingsCacheMTL::SetBuffer
void SetBuffer(uint64_t index, uint64_t offset, id< MTLBuffer > buffer)
Definition: compute_pass_bindings_cache_mtl.mm:27
offset
SeparatedVector2 offset
Definition: stroke_path_geometry.cc:304
impeller::ComputePassBindingsCacheMTL::ComputePassBindingsCacheMTL
ComputePassBindingsCacheMTL()
Definition: compute_pass_bindings_cache_mtl.h:25
impeller::ComputePassBindingsCacheMTL::SetComputePipelineState
void SetComputePipelineState(id< MTLComputePipelineState > pipeline)
Definition: compute_pass_bindings_cache_mtl.mm:9
impeller::ComputePassBindingsCacheMTL::SetSampler
void SetSampler(uint64_t index, id< MTLSamplerState > sampler)
Definition: compute_pass_bindings_cache_mtl.mm:61
impeller::ComputePassBindingsCacheMTL::SetEncoder
void SetEncoder(id< MTLComputeCommandEncoder > encoder)
Definition: compute_pass_bindings_cache_mtl.mm:22
pipeline_descriptor.h
compute_pass.h
impeller
Definition: allocation.cc:12
impeller::ComputePassBindingsCacheMTL::GetPipeline
id< MTLComputePipelineState > GetPipeline() const
Definition: compute_pass_bindings_cache_mtl.mm:18