| // Copyright 2021 The Dawn Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef SRC_DAWN_NATIVE_LIMITS_H_ |
| #define SRC_DAWN_NATIVE_LIMITS_H_ |
| |
| #include "dawn/native/Error.h" |
| #include "dawn/native/VisitableMembers.h" |
| #include "dawn/native/dawn_platform.h" |
| |
| namespace dawn::native { |
| |
| struct CombinedLimits { |
| Limits v1; |
| }; |
| |
| // Populate |limits| with the default limits. |
| void GetDefaultLimits(Limits* limits); |
| |
| // Returns a copy of |limits| where all undefined values are replaced |
| // with their defaults. Also clamps to the defaults if the provided limits |
| // are worse. |
| Limits ReifyDefaultLimits(const Limits& limits); |
| |
| // Validate that |requiredLimits| are no better than |supportedLimits|. |
| MaybeError ValidateLimits(const Limits& supportedLimits, const Limits& requiredLimits); |
| |
| // Returns a copy of |limits| where limit tiers are applied. |
| Limits ApplyLimitTiers(Limits limits); |
| |
| // If there are new limit member needed at shader compilation time |
| // Simply append a new X(type, name) here. |
| #define LIMITS_FOR_COMPILATION_REQUEST_MEMBERS(X) \ |
| X(uint32_t, maxComputeWorkgroupSizeX) \ |
| X(uint32_t, maxComputeWorkgroupSizeY) \ |
| X(uint32_t, maxComputeWorkgroupSizeZ) \ |
| X(uint32_t, maxComputeInvocationsPerWorkgroup) \ |
| X(uint32_t, maxComputeWorkgroupStorageSize) |
| |
| struct LimitsForCompilationRequest { |
| static LimitsForCompilationRequest Create(const Limits& limits); |
| DAWN_VISITABLE_MEMBERS(LIMITS_FOR_COMPILATION_REQUEST_MEMBERS) |
| }; |
| |
| // Enforce restriction for limit values, including: |
| // 1. Enforce internal Dawn constants for some limits to ensure they don't go over fixed-size |
| // arrays in Dawn's internal code; |
| // 2. Additional enforcement for dependent limits, e.g. maxStorageBufferBindingSize and |
| // maxUniformBufferBindingSize must not be larger than maxBufferSize. |
| void NormalizeLimits(Limits* limits); |
| |
| } // namespace dawn::native |
| |
| #endif // SRC_DAWN_NATIVE_LIMITS_H_ |