// Copyright 2021 The Dawn & Tint Authors // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are met: // // 1. Redistributions of source code must retain the above copyright notice, this // list of conditions and the following disclaimer. // // 2. Redistributions in binary form must reproduce the above copyright notice, // this list of conditions and the following disclaimer in the documentation // and/or other materials provided with the distribution. // // 3. Neither the name of the copyright holder nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "dawn/native/Limits.h" #include <algorithm> #include <array> #include "dawn/common/Assert.h" #include "dawn/common/Constants.h" #include "dawn/common/Math.h" // clang-format off // TODO(crbug.com/dawn/685): // For now, only expose these tiers until metrics can determine better ones. // compat tier0 tier1 #define LIMITS_WORKGROUP_STORAGE_SIZE(X) … // Tiers for limits related to workgroup size. // TODO(crbug.com/dawn/685): Define these better. For now, use two tiers where one // is available on nearly all desktop platforms. // compat tier0 tier1 #define LIMITS_WORKGROUP_SIZE(X) … // Tiers are 128MB, 1GB, 2GB-4, 4GB-4. // compat tier0 tier1 #define LIMITS_STORAGE_BUFFER_BINDING_SIZE(X) … // Tiers are 256MB, 1GB, 2GB, 4GB. // compat tier0 tier1 #define LIMITS_MAX_BUFFER_SIZE(X) … // Tiers for limits related to resource bindings. // TODO(crbug.com/dawn/685): Define these better. For now, use two tiers where one // offers slightly better than default limits. // compat tier0 tier1 #define LIMITS_RESOURCE_BINDINGS(X) … // Tiers for limits related to storage buffer bindings. Should probably be merged with // LIMITS_RESOURCE_BINDINGS. // TODO(crbug.com/dawn/685): Define these better. For now, use two tiers where one // offers slightly better than default limits. // #define LIMITS_STORAGE_BUFFER_BINDINGS(X) … // TODO(crbug.com/dawn/685): // These limits aren't really tiered and could probably be grouped better. // All Chrome platforms support 64 (iOS is 32) so there's are really only two exposed // buckets: 64 and 128. // compat tier0 tier1 tier2 #define LIMITS_ATTACHMENTS(X) … // Tiers for limits related to inter-stage shader variables. // compat tier0 tier1 #define LIMITS_INTER_STAGE_SHADER_VARIABLES(X) … \ // Tiered limits for texture dimensions. // TODO(crbug.com/dawn/685): Define these better. For now, use two tiers where some dimensions // offers slightly better than default limits. // compat tier0 tier1 #define LIMITS_TEXTURE_DIMENSIONS(X) … // TODO(crbug.com/dawn/685): // These limits don't have tiers yet. Define two tiers with the same values since the macros // in this file expect more than one tier. // compat tier0 tier1 #define LIMITS_OTHER(X) … // clang-format on #define LIMITS_EACH_GROUP(X) … #define LIMITS(X) … namespace dawn::native { namespace { template <uint32_t A, uint32_t B> constexpr void StaticAssertSame() { … } template <uint32_t I, uint32_t... Is> constexpr uint32_t ReduceSameValue(std::integer_sequence<uint32_t, I, Is...>) { … } enum class LimitClass { … }; template <LimitClass C> struct CheckLimit; template <> struct CheckLimit<LimitClass::Alignment> { … }; template <> struct CheckLimit<LimitClass::Maximum> { … }; template <typename T> bool IsLimitUndefined(T value) { … } template <> bool IsLimitUndefined<uint32_t>(uint32_t value) { … } template <> bool IsLimitUndefined<uint64_t>(uint64_t value) { … } } // namespace void GetDefaultLimits(Limits* limits, FeatureLevel featureLevel) { … } Limits ReifyDefaultLimits(const Limits& limits, FeatureLevel featureLevel) { … } MaybeError ValidateLimits(const Limits& supportedLimits, const Limits& requiredLimits) { … } Limits ApplyLimitTiers(Limits limits) { … } #define DAWN_INTERNAL_LIMITS_MEMBER_ASSIGNMENT … #define DAWN_INTERNAL_LIMITS_FOREACH_MEMBER_ASSIGNMENT … LimitsForCompilationRequest LimitsForCompilationRequest::Create(const Limits& limits) { … } #undef DAWN_INTERNAL_LIMITS_FOREACH_MEMBER_ASSIGNMENT #undef DAWN_INTERNAL_LIMITS_MEMBER_ASSIGNMENT template <> void stream::Stream<LimitsForCompilationRequest>::Write(Sink* s, const LimitsForCompilationRequest& t) { … } void NormalizeLimits(Limits* limits) { … } } // namespace dawn::native
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