mirror of
https://github.com/encounter/dawn-cmake.git
synced 2025-05-15 20:01:22 +00:00
The higher tier for this limit is available on all D3D12, all Metal, and most Vulkan devices. Bug: dawn:685 Change-Id: Ic2a39ad7908ea178e7aac48b7bb54b262d7039cf Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/121543 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Shrek Shao <shrekshao@google.com> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Austin Eng <enga@chromium.org>
253 lines
11 KiB
C++
253 lines
11 KiB
C++
// 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.
|
|
|
|
#include "dawn/native/Limits.h"
|
|
|
|
#include <array>
|
|
|
|
#include "dawn/common/Assert.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.
|
|
#define LIMITS_WORKGROUP_STORAGE_SIZE(X) \
|
|
X(Maximum, maxComputeWorkgroupStorageSize, 16384, 32768, 49152, 65536)
|
|
|
|
#define LIMITS_STORAGE_BUFFER_BINDING_SIZE(X) \
|
|
X(Maximum, maxStorageBufferBindingSize, 134217728, 1073741824, 2147483647, 4294967295)
|
|
|
|
// Tiers are 256Mb, 1Gb, 2Gb.
|
|
#define LIMITS_MAX_BUFFER_SIZE(X) \
|
|
X(Maximum, maxBufferSize, 0x10000000, 0x40000000, 0x80000000)
|
|
|
|
// 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.
|
|
#define LIMITS_RESOURCE_BINDINGS(X) \
|
|
X(Maximum, maxDynamicUniformBuffersPerPipelineLayout, 8, 10) \
|
|
X(Maximum, maxDynamicStorageBuffersPerPipelineLayout, 4, 8) \
|
|
X(Maximum, maxSampledTexturesPerShaderStage, 16, 16) \
|
|
X(Maximum, maxSamplersPerShaderStage, 16, 16) \
|
|
X(Maximum, maxStorageBuffersPerShaderStage, 8, 8) \
|
|
X(Maximum, maxStorageTexturesPerShaderStage, 4, 8) \
|
|
X(Maximum, maxUniformBuffersPerShaderStage, 12, 12)
|
|
|
|
// 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.
|
|
#define LIMITS_OTHER(X) \
|
|
X(Maximum, maxTextureDimension1D, 8192, 8192) \
|
|
X(Maximum, maxTextureDimension2D, 8192, 8192) \
|
|
X(Maximum, maxTextureDimension3D, 2048, 2048) \
|
|
X(Maximum, maxTextureArrayLayers, 256, 256) \
|
|
X(Maximum, maxBindGroups, 4, 4) \
|
|
X(Maximum, maxBindingsPerBindGroup, 640, 640) \
|
|
X(Maximum, maxUniformBufferBindingSize, 65536, 65536) \
|
|
X(Alignment, minUniformBufferOffsetAlignment, 256, 256) \
|
|
X(Alignment, minStorageBufferOffsetAlignment, 256, 256) \
|
|
X(Maximum, maxVertexBuffers, 8, 8) \
|
|
X(Maximum, maxBufferSize, 268435456, 268435456) \
|
|
X(Maximum, maxVertexAttributes, 16, 16) \
|
|
X(Maximum, maxVertexBufferArrayStride, 2048, 2048) \
|
|
X(Maximum, maxInterStageShaderComponents, 60, 60) \
|
|
X(Maximum, maxInterStageShaderVariables, 16, 16) \
|
|
X(Maximum, maxColorAttachments, 8, 8) \
|
|
X(Maximum, maxColorAttachmentBytesPerSample, 32, 32) \
|
|
X(Maximum, maxComputeInvocationsPerWorkgroup, 256, 256) \
|
|
X(Maximum, maxComputeWorkgroupSizeX, 256, 256) \
|
|
X(Maximum, maxComputeWorkgroupSizeY, 256, 256) \
|
|
X(Maximum, maxComputeWorkgroupSizeZ, 64, 64) \
|
|
X(Maximum, maxComputeWorkgroupsPerDimension, 65535, 65535)
|
|
// clang-format on
|
|
|
|
#define LIMITS_EACH_GROUP(X) \
|
|
X(LIMITS_WORKGROUP_STORAGE_SIZE) \
|
|
X(LIMITS_STORAGE_BUFFER_BINDING_SIZE) \
|
|
X(LIMITS_MAX_BUFFER_SIZE) \
|
|
X(LIMITS_RESOURCE_BINDINGS) \
|
|
X(LIMITS_OTHER)
|
|
|
|
#define LIMITS(X) \
|
|
LIMITS_WORKGROUP_STORAGE_SIZE(X) \
|
|
LIMITS_STORAGE_BUFFER_BINDING_SIZE(X) \
|
|
LIMITS_MAX_BUFFER_SIZE(X) \
|
|
LIMITS_RESOURCE_BINDINGS(X) \
|
|
LIMITS_OTHER(X)
|
|
|
|
namespace dawn::native {
|
|
namespace {
|
|
template <uint32_t A, uint32_t B>
|
|
constexpr void StaticAssertSame() {
|
|
static_assert(A == B, "Mismatching tier count in limit group.");
|
|
}
|
|
|
|
template <uint32_t I, uint32_t... Is>
|
|
constexpr uint32_t ReduceSameValue(std::integer_sequence<uint32_t, I, Is...>) {
|
|
int unused[] = {0, (StaticAssertSame<I, Is>(), 0)...};
|
|
DAWN_UNUSED(unused);
|
|
return I;
|
|
}
|
|
|
|
enum class LimitClass {
|
|
Alignment,
|
|
Maximum,
|
|
};
|
|
|
|
template <LimitClass C>
|
|
struct CheckLimit;
|
|
|
|
template <>
|
|
struct CheckLimit<LimitClass::Alignment> {
|
|
template <typename T>
|
|
static bool IsBetter(T lhs, T rhs) {
|
|
return lhs < rhs;
|
|
}
|
|
|
|
template <typename T>
|
|
static MaybeError Validate(T supported, T required) {
|
|
DAWN_INVALID_IF(IsBetter(required, supported),
|
|
"Required limit (%u) is lower than the supported limit (%u).", required,
|
|
supported);
|
|
DAWN_INVALID_IF(!IsPowerOfTwo(required), "Required limit (%u) is not a power of two.",
|
|
required);
|
|
return {};
|
|
}
|
|
};
|
|
|
|
template <>
|
|
struct CheckLimit<LimitClass::Maximum> {
|
|
template <typename T>
|
|
static bool IsBetter(T lhs, T rhs) {
|
|
return lhs > rhs;
|
|
}
|
|
|
|
template <typename T>
|
|
static MaybeError Validate(T supported, T required) {
|
|
DAWN_INVALID_IF(IsBetter(required, supported),
|
|
"Required limit (%u) is greater than the supported limit (%u).", required,
|
|
supported);
|
|
return {};
|
|
}
|
|
};
|
|
|
|
template <typename T>
|
|
bool IsLimitUndefined(T value) {
|
|
static_assert(sizeof(T) != sizeof(T), "IsLimitUndefined not implemented for this type");
|
|
return false;
|
|
}
|
|
|
|
template <>
|
|
bool IsLimitUndefined<uint32_t>(uint32_t value) {
|
|
return value == wgpu::kLimitU32Undefined;
|
|
}
|
|
|
|
template <>
|
|
bool IsLimitUndefined<uint64_t>(uint64_t value) {
|
|
return value == wgpu::kLimitU64Undefined;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
void GetDefaultLimits(Limits* limits) {
|
|
ASSERT(limits != nullptr);
|
|
#define X(Better, limitName, base, ...) limits->limitName = base;
|
|
LIMITS(X)
|
|
#undef X
|
|
}
|
|
|
|
Limits ReifyDefaultLimits(const Limits& limits) {
|
|
Limits out;
|
|
#define X(Class, limitName, base, ...) \
|
|
if (IsLimitUndefined(limits.limitName) || \
|
|
CheckLimit<LimitClass::Class>::IsBetter(static_cast<decltype(limits.limitName)>(base), \
|
|
limits.limitName)) { \
|
|
/* If the limit is undefined or the default is better, use the default */ \
|
|
out.limitName = base; \
|
|
} else { \
|
|
out.limitName = limits.limitName; \
|
|
}
|
|
LIMITS(X)
|
|
#undef X
|
|
return out;
|
|
}
|
|
|
|
MaybeError ValidateLimits(const Limits& supportedLimits, const Limits& requiredLimits) {
|
|
#define X(Class, limitName, ...) \
|
|
if (!IsLimitUndefined(requiredLimits.limitName)) { \
|
|
DAWN_TRY_CONTEXT(CheckLimit<LimitClass::Class>::Validate(supportedLimits.limitName, \
|
|
requiredLimits.limitName), \
|
|
"validating " #limitName); \
|
|
}
|
|
LIMITS(X)
|
|
#undef X
|
|
return {};
|
|
}
|
|
|
|
Limits ApplyLimitTiers(Limits limits) {
|
|
#define X_TIER_COUNT(Better, limitName, ...) , std::integer_sequence<uint64_t, __VA_ARGS__>{}.size()
|
|
#define GET_TIER_COUNT(LIMIT_GROUP) \
|
|
ReduceSameValue(std::integer_sequence<uint32_t LIMIT_GROUP(X_TIER_COUNT)>{})
|
|
|
|
#define X_EACH_GROUP(LIMIT_GROUP) \
|
|
{ \
|
|
constexpr uint32_t kTierCount = GET_TIER_COUNT(LIMIT_GROUP); \
|
|
for (uint32_t i = kTierCount; i != 0; --i) { \
|
|
LIMIT_GROUP(X_CHECK_BETTER_AND_CLAMP) \
|
|
/* Limits fit in tier and have been clamped. Break. */ \
|
|
break; \
|
|
} \
|
|
}
|
|
|
|
#define X_CHECK_BETTER_AND_CLAMP(Class, limitName, ...) \
|
|
{ \
|
|
constexpr std::array<decltype(Limits::limitName), kTierCount> tiers{__VA_ARGS__}; \
|
|
decltype(Limits::limitName) tierValue = tiers[i - 1]; \
|
|
if (CheckLimit<LimitClass::Class>::IsBetter(tierValue, limits.limitName)) { \
|
|
/* The tier is better. Go to the next tier. */ \
|
|
continue; \
|
|
} else if (tierValue != limits.limitName) { \
|
|
/* Better than the tier. Degrade |limits| to the tier. */ \
|
|
limits.limitName = tiers[i - 1]; \
|
|
} \
|
|
}
|
|
|
|
LIMITS_EACH_GROUP(X_EACH_GROUP)
|
|
#undef X_CHECK_BETTER
|
|
#undef X_EACH_GROUP
|
|
#undef GET_TIER_COUNT
|
|
#undef X_TIER_COUNT
|
|
return limits;
|
|
}
|
|
|
|
#define DAWN_INTERNAL_LIMITS_MEMBER_ASSIGNMENT(type, name) \
|
|
{ result.name = limits.name; }
|
|
#define DAWN_INTERNAL_LIMITS_FOREACH_MEMBER_ASSIGNMENT(MEMBERS) \
|
|
MEMBERS(DAWN_INTERNAL_LIMITS_MEMBER_ASSIGNMENT)
|
|
LimitsForCompilationRequest LimitsForCompilationRequest::Create(const Limits& limits) {
|
|
LimitsForCompilationRequest result;
|
|
DAWN_INTERNAL_LIMITS_FOREACH_MEMBER_ASSIGNMENT(LIMITS_FOR_COMPILATION_REQUEST_MEMBERS)
|
|
return result;
|
|
}
|
|
#undef DAWN_INTERNAL_LIMITS_FOREACH_MEMBER_ASSIGNMENT
|
|
#undef DAWN_INTERNAL_LIMITS_MEMBER_ASSIGNMENT
|
|
|
|
template <>
|
|
void stream::Stream<LimitsForCompilationRequest>::Write(Sink* s,
|
|
const LimitsForCompilationRequest& t) {
|
|
t.VisitAll([&](const auto&... members) { StreamIn(s, members...); });
|
|
}
|
|
|
|
} // namespace dawn::native
|