| // Copyright 2017 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/CommandBufferStateTracker.h" |
| |
| #include <limits> |
| #include <optional> |
| #include <type_traits> |
| #include <unordered_map> |
| #include <utility> |
| #include <variant> |
| |
| #include "dawn/common/Assert.h" |
| #include "dawn/common/BitSetIterator.h" |
| #include "dawn/common/StackContainer.h" |
| #include "dawn/native/BindGroup.h" |
| #include "dawn/native/ComputePassEncoder.h" |
| #include "dawn/native/ComputePipeline.h" |
| #include "dawn/native/Forward.h" |
| #include "dawn/native/ObjectType_autogen.h" |
| #include "dawn/native/PipelineLayout.h" |
| #include "dawn/native/RenderPipeline.h" |
| |
| // TODO(dawn:563): None of the error messages in this file include the buffer objects they are |
| // validating against. It would be nice to improve that, but difficult to do without incurring |
| // additional tracking costs. |
| |
| namespace dawn::native { |
| |
| namespace { |
| // Returns nullopt if all buffers in unverifiedBufferSizes are at least large enough to satisfy the |
| // minimum listed in pipelineMinBufferSizes, or the index of the first detected failing buffer |
| // otherwise. |
| std::optional<uint32_t> FindFirstUndersizedBuffer( |
| const ityp::span<uint32_t, uint64_t> unverifiedBufferSizes, |
| const std::vector<uint64_t>& pipelineMinBufferSizes) { |
| ASSERT(unverifiedBufferSizes.size() == pipelineMinBufferSizes.size()); |
| |
| for (uint32_t i = 0; i < unverifiedBufferSizes.size(); ++i) { |
| if (unverifiedBufferSizes[i] < pipelineMinBufferSizes[i]) { |
| return i; |
| } |
| } |
| |
| return std::nullopt; |
| } |
| |
| struct BufferAliasing { |
| struct Entry { |
| BindGroupIndex bindGroupIndex; |
| BindingIndex bindingIndex; |
| |
| // Adjusted offset with dynamic offset |
| uint64_t offset; |
| uint64_t size; |
| }; |
| Entry e0; |
| Entry e1; |
| }; |
| |
| struct TextureAliasing { |
| struct Entry { |
| BindGroupIndex bindGroupIndex; |
| BindingIndex bindingIndex; |
| |
| uint32_t baseMipLevel; |
| uint32_t mipLevelCount; |
| uint32_t baseArrayLayer; |
| uint32_t arrayLayerCount; |
| }; |
| Entry e0; |
| Entry e1; |
| }; |
| |
| using WritableBindingAliasingResult = std::variant<std::monostate, BufferAliasing, TextureAliasing>; |
| |
| template <typename Return> |
| Return FindStorageBufferBindingAliasing( |
| const PipelineLayoutBase* pipelineLayout, |
| const ityp::array<BindGroupIndex, BindGroupBase*, kMaxBindGroups>& bindGroups, |
| const ityp::array<BindGroupIndex, std::vector<uint32_t>, kMaxBindGroups>& dynamicOffsets) { |
| // If true, returns detailed validation error info. Otherwise simply returns if any binding |
| // aliasing is found. |
| constexpr bool kProduceDetails = std::is_same_v<Return, WritableBindingAliasingResult>; |
| |
| // Reduce the bindings array first to only preserve storage buffer bindings that could |
| // potentially have ranges overlap. |
| // There can at most be 8 storage buffer bindings (in default limits) per shader stage. |
| StackVector<BufferBinding, 8> storageBufferBindingsToCheck; |
| StackVector<std::pair<BindGroupIndex, BindingIndex>, 8> bufferBindingIndices; |
| |
| // Reduce the bindings array first to only preserve writable storage texture bindings that could |
| // potentially have ranges overlap. |
| // There can at most be 8 storage texture bindings (in default limits) per shader stage. |
| StackVector<const TextureViewBase*, 8> storageTextureViewsToCheck; |
| StackVector<std::pair<BindGroupIndex, BindingIndex>, 8> textureBindingIndices; |
| |
| for (BindGroupIndex groupIndex : IterateBitSet(pipelineLayout->GetBindGroupLayoutsMask())) { |
| BindGroupLayoutBase* bgl = bindGroups[groupIndex]->GetLayout(); |
| |
| for (BindingIndex bindingIndex{0}; bindingIndex < bgl->GetBufferCount(); ++bindingIndex) { |
| const BindingInfo& bindingInfo = bgl->GetBindingInfo(bindingIndex); |
| // Buffer bindings are sorted to have smallest of bindingIndex. |
| ASSERT(bindingInfo.bindingType == BindingInfoType::Buffer); |
| |
| // BindGroup validation already guarantees the buffer usage includes |
| // wgpu::BufferUsage::Storage |
| if (bindingInfo.buffer.type != wgpu::BufferBindingType::Storage) { |
| continue; |
| } |
| |
| const BufferBinding bufferBinding = |
| bindGroups[groupIndex]->GetBindingAsBufferBinding(bindingIndex); |
| |
| if (bufferBinding.size == 0) { |
| continue; |
| } |
| |
| uint64_t adjustedOffset = bufferBinding.offset; |
| // Apply dynamic offset if any. |
| if (bindingInfo.buffer.hasDynamicOffset) { |
| // SetBindGroup validation already guarantees offsets and sizes don't overflow. |
| adjustedOffset += dynamicOffsets[groupIndex][static_cast<uint32_t>(bindingIndex)]; |
| } |
| |
| storageBufferBindingsToCheck->push_back(BufferBinding{ |
| bufferBinding.buffer, |
| adjustedOffset, |
| bufferBinding.size, |
| }); |
| |
| if constexpr (kProduceDetails) { |
| bufferBindingIndices->emplace_back(groupIndex, bindingIndex); |
| } |
| } |
| |
| // TODO(dawn:1642): optimize: precompute start/end range of storage textures bindings. |
| for (BindingIndex bindingIndex{bgl->GetBufferCount()}; |
| bindingIndex < bgl->GetBindingCount(); ++bindingIndex) { |
| const BindingInfo& bindingInfo = bgl->GetBindingInfo(bindingIndex); |
| |
| if (bindingInfo.bindingType != BindingInfoType::StorageTexture) { |
| continue; |
| } |
| |
| switch (bindingInfo.storageTexture.access) { |
| case wgpu::StorageTextureAccess::WriteOnly: |
| break; |
| // Continue for other StorageTextureAccess type when we have any. |
| default: |
| UNREACHABLE(); |
| } |
| |
| const TextureViewBase* textureView = |
| bindGroups[groupIndex]->GetBindingAsTextureView(bindingIndex); |
| |
| storageTextureViewsToCheck->push_back(textureView); |
| |
| if constexpr (kProduceDetails) { |
| textureBindingIndices->emplace_back(groupIndex, bindingIndex); |
| } |
| } |
| } |
| |
| // Iterate through each buffer bindings to find if any writable storage bindings aliasing |
| // exists. Given that maxStorageBuffersPerShaderStage is 8, it doesn't seem too bad to do a |
| // nested loop check. |
| // TODO(dawn:1642): Maybe do algorithm optimization from O(N^2) to O(N*logN). |
| for (size_t i = 0; i < storageBufferBindingsToCheck->size(); i++) { |
| const auto& bufferBinding0 = storageBufferBindingsToCheck[i]; |
| |
| for (size_t j = i + 1; j < storageBufferBindingsToCheck->size(); j++) { |
| const auto& bufferBinding1 = storageBufferBindingsToCheck[j]; |
| |
| if (bufferBinding0.buffer != bufferBinding1.buffer) { |
| continue; |
| } |
| |
| if (RangesOverlap( |
| bufferBinding0.offset, bufferBinding0.offset + bufferBinding0.size - 1, |
| bufferBinding1.offset, bufferBinding1.offset + bufferBinding1.size - 1)) { |
| if constexpr (kProduceDetails) { |
| return WritableBindingAliasingResult{BufferAliasing{ |
| {bufferBindingIndices[i].first, bufferBindingIndices[i].second, |
| bufferBinding0.offset, bufferBinding0.size}, |
| {bufferBindingIndices[j].first, bufferBindingIndices[j].second, |
| bufferBinding1.offset, bufferBinding1.size}, |
| }}; |
| } else { |
| return true; |
| } |
| } |
| } |
| } |
| |
| // Iterate through each texture views to find if any writable storage bindings aliasing exists. |
| // Given that maxStorageTexturesPerShaderStage is 8, |
| // it doesn't seem too bad to do a nested loop check. |
| // TODO(dawn:1642): Maybe do algorithm optimization from O(N^2) to O(N*logN). |
| for (size_t i = 0; i < storageTextureViewsToCheck->size(); i++) { |
| const TextureViewBase* textureView0 = storageTextureViewsToCheck[i]; |
| |
| ASSERT(textureView0->GetAspects() == Aspect::Color); |
| |
| uint32_t baseMipLevel0 = textureView0->GetBaseMipLevel(); |
| uint32_t mipLevelCount0 = textureView0->GetLevelCount(); |
| uint32_t baseArrayLayer0 = textureView0->GetBaseArrayLayer(); |
| uint32_t arrayLayerCount0 = textureView0->GetLayerCount(); |
| |
| for (size_t j = i + 1; j < storageTextureViewsToCheck->size(); j++) { |
| const TextureViewBase* textureView1 = storageTextureViewsToCheck[j]; |
| |
| if (textureView0->GetTexture() != textureView1->GetTexture()) { |
| continue; |
| } |
| |
| ASSERT(textureView1->GetAspects() == Aspect::Color); |
| |
| uint32_t baseMipLevel1 = textureView1->GetBaseMipLevel(); |
| uint32_t mipLevelCount1 = textureView1->GetLevelCount(); |
| uint32_t baseArrayLayer1 = textureView1->GetBaseArrayLayer(); |
| uint32_t arrayLayerCount1 = textureView1->GetLayerCount(); |
| |
| if (RangesOverlap(baseMipLevel0, baseMipLevel0 + mipLevelCount0 - 1, baseMipLevel1, |
| baseMipLevel1 + mipLevelCount1 - 1) && |
| RangesOverlap(baseArrayLayer0, baseArrayLayer0 + arrayLayerCount0 - 1, |
| baseArrayLayer1, baseArrayLayer1 + arrayLayerCount1 - 1)) { |
| if constexpr (kProduceDetails) { |
| return WritableBindingAliasingResult{TextureAliasing{ |
| {textureBindingIndices[i].first, textureBindingIndices[i].second, |
| baseMipLevel0, mipLevelCount0, baseArrayLayer0, arrayLayerCount0}, |
| {textureBindingIndices[j].first, textureBindingIndices[j].second, |
| baseMipLevel1, mipLevelCount1, baseArrayLayer1, arrayLayerCount1}, |
| }}; |
| } else { |
| return true; |
| } |
| } |
| } |
| } |
| |
| if constexpr (kProduceDetails) { |
| return WritableBindingAliasingResult(); |
| } else { |
| return false; |
| } |
| } |
| |
| bool TextureViewsMatch(const TextureViewBase* a, const TextureViewBase* b) { |
| ASSERT(a->GetTexture() == b->GetTexture()); |
| return a->GetFormat().GetIndex() == b->GetFormat().GetIndex() && |
| a->GetDimension() == b->GetDimension() && a->GetBaseMipLevel() == b->GetBaseMipLevel() && |
| a->GetLevelCount() == b->GetLevelCount() && |
| a->GetBaseArrayLayer() == b->GetBaseArrayLayer() && |
| a->GetLayerCount() == b->GetLayerCount(); |
| } |
| |
| using VectorOfTextureViews = StackVector<const TextureViewBase*, 8>; |
| |
| bool TextureViewsAllMatch(const VectorOfTextureViews& views) { |
| ASSERT(!views->empty()); |
| |
| const TextureViewBase* first = views[0]; |
| for (size_t i = 1; i < views->size(); ++i) { |
| if (!TextureViewsMatch(first, views[i])) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| } // namespace |
| |
| enum ValidationAspect { |
| VALIDATION_ASPECT_PIPELINE, |
| VALIDATION_ASPECT_BIND_GROUPS, |
| VALIDATION_ASPECT_VERTEX_BUFFERS, |
| VALIDATION_ASPECT_INDEX_BUFFER, |
| |
| VALIDATION_ASPECT_COUNT |
| }; |
| static_assert(VALIDATION_ASPECT_COUNT == CommandBufferStateTracker::kNumAspects); |
| |
| static constexpr CommandBufferStateTracker::ValidationAspects kDispatchAspects = |
| 1 << VALIDATION_ASPECT_PIPELINE | 1 << VALIDATION_ASPECT_BIND_GROUPS; |
| |
| static constexpr CommandBufferStateTracker::ValidationAspects kDrawAspects = |
| 1 << VALIDATION_ASPECT_PIPELINE | 1 << VALIDATION_ASPECT_BIND_GROUPS | |
| 1 << VALIDATION_ASPECT_VERTEX_BUFFERS; |
| |
| static constexpr CommandBufferStateTracker::ValidationAspects kDrawIndexedAspects = |
| 1 << VALIDATION_ASPECT_PIPELINE | 1 << VALIDATION_ASPECT_BIND_GROUPS | |
| 1 << VALIDATION_ASPECT_VERTEX_BUFFERS | 1 << VALIDATION_ASPECT_INDEX_BUFFER; |
| |
| static constexpr CommandBufferStateTracker::ValidationAspects kLazyAspects = |
| 1 << VALIDATION_ASPECT_BIND_GROUPS | 1 << VALIDATION_ASPECT_VERTEX_BUFFERS | |
| 1 << VALIDATION_ASPECT_INDEX_BUFFER; |
| |
| CommandBufferStateTracker::CommandBufferStateTracker() = default; |
| |
| CommandBufferStateTracker::CommandBufferStateTracker(const CommandBufferStateTracker&) = default; |
| |
| CommandBufferStateTracker::CommandBufferStateTracker(CommandBufferStateTracker&&) = default; |
| |
| CommandBufferStateTracker::~CommandBufferStateTracker() = default; |
| |
| CommandBufferStateTracker& CommandBufferStateTracker::operator=(const CommandBufferStateTracker&) = |
| default; |
| |
| CommandBufferStateTracker& CommandBufferStateTracker::operator=(CommandBufferStateTracker&&) = |
| default; |
| |
| MaybeError CommandBufferStateTracker::ValidateCanDispatch() { |
| return ValidateOperation(kDispatchAspects); |
| } |
| |
| MaybeError CommandBufferStateTracker::ValidateCanDraw() { |
| return ValidateOperation(kDrawAspects); |
| } |
| |
| MaybeError CommandBufferStateTracker::ValidateCanDrawIndexed() { |
| return ValidateOperation(kDrawIndexedAspects); |
| } |
| |
| MaybeError CommandBufferStateTracker::ValidateNoDifferentTextureViewsOnSameTexture() { |
| // TODO(dawn:1855): Look into optimizations as unordered_map does many allocations |
| std::unordered_map<const TextureBase*, VectorOfTextureViews> textureToViews; |
| |
| for (BindGroupIndex groupIndex : |
| IterateBitSet(mLastPipelineLayout->GetBindGroupLayoutsMask())) { |
| BindGroupBase* bindGroup = mBindgroups[groupIndex]; |
| BindGroupLayoutBase* bgl = bindGroup->GetLayout(); |
| |
| for (BindingIndex bindingIndex{0}; bindingIndex < bgl->GetBindingCount(); ++bindingIndex) { |
| const BindingInfo& bindingInfo = bgl->GetBindingInfo(bindingIndex); |
| if (bindingInfo.bindingType != BindingInfoType::Texture && |
| bindingInfo.bindingType != BindingInfoType::StorageTexture) { |
| continue; |
| } |
| |
| const TextureViewBase* textureViewBase = |
| bindGroup->GetBindingAsTextureView(bindingIndex); |
| |
| textureToViews[textureViewBase->GetTexture()]->push_back(textureViewBase); |
| } |
| } |
| |
| for (const auto& it : textureToViews) { |
| const TextureBase* texture = it.first; |
| const VectorOfTextureViews& views = it.second; |
| DAWN_INVALID_IF( |
| !TextureViewsAllMatch(views), |
| "In compatibility mode, %s must not have different views in a single draw/dispatch " |
| "command. texture views: %s", |
| texture, |
| ityp::span<size_t, const TextureViewBase* const>(views->data(), views->size())); |
| } |
| |
| return {}; |
| } |
| |
| MaybeError CommandBufferStateTracker::ValidateBufferInRangeForVertexBuffer(uint32_t vertexCount, |
| uint32_t firstVertex) { |
| uint64_t strideCount = static_cast<uint64_t>(firstVertex) + vertexCount; |
| |
| if (strideCount == 0) { |
| // All vertex step mode buffers are always in range if stride count is zero |
| return {}; |
| } |
| |
| RenderPipelineBase* lastRenderPipeline = GetRenderPipeline(); |
| |
| const ityp::bitset<VertexBufferSlot, kMaxVertexBuffers>& vertexBufferSlotsUsedAsVertexBuffer = |
| lastRenderPipeline->GetVertexBufferSlotsUsedAsVertexBuffer(); |
| |
| for (auto usedSlotVertex : IterateBitSet(vertexBufferSlotsUsedAsVertexBuffer)) { |
| const VertexBufferInfo& vertexBuffer = lastRenderPipeline->GetVertexBuffer(usedSlotVertex); |
| uint64_t arrayStride = vertexBuffer.arrayStride; |
| uint64_t bufferSize = mVertexBufferSizes[usedSlotVertex]; |
| |
| if (arrayStride == 0) { |
| DAWN_INVALID_IF(vertexBuffer.usedBytesInStride > bufferSize, |
| "Bound vertex buffer size (%u) at slot %u with an arrayStride of 0 " |
| "is smaller than the required size for all attributes (%u)", |
| bufferSize, static_cast<uint8_t>(usedSlotVertex), |
| vertexBuffer.usedBytesInStride); |
| } else { |
| DAWN_ASSERT(strideCount != 0u); |
| uint64_t requiredSize = (strideCount - 1u) * arrayStride + vertexBuffer.lastStride; |
| // firstVertex and vertexCount are in uint32_t, |
| // arrayStride must not be larger than kMaxVertexBufferArrayStride, which is |
| // currently 2048, and vertexBuffer.lastStride = max(attribute.offset + |
| // sizeof(attribute.format)) with attribute.offset being no larger than |
| // kMaxVertexBufferArrayStride, so by doing checks in uint64_t we avoid |
| // overflows. |
| DAWN_INVALID_IF( |
| requiredSize > bufferSize, |
| "Vertex range (first: %u, count: %u) requires a larger buffer (%u) than " |
| "the " |
| "bound buffer size (%u) of the vertex buffer at slot %u with stride %u.", |
| firstVertex, vertexCount, requiredSize, bufferSize, |
| static_cast<uint8_t>(usedSlotVertex), arrayStride); |
| } |
| } |
| |
| return {}; |
| } |
| |
| MaybeError CommandBufferStateTracker::ValidateBufferInRangeForInstanceBuffer( |
| uint32_t instanceCount, |
| uint32_t firstInstance) { |
| uint64_t strideCount = static_cast<uint64_t>(firstInstance) + instanceCount; |
| |
| if (strideCount == 0) { |
| // All instance step mode buffers are always in range if stride count is zero |
| return {}; |
| } |
| |
| RenderPipelineBase* lastRenderPipeline = GetRenderPipeline(); |
| |
| const ityp::bitset<VertexBufferSlot, kMaxVertexBuffers>& vertexBufferSlotsUsedAsInstanceBuffer = |
| lastRenderPipeline->GetVertexBufferSlotsUsedAsInstanceBuffer(); |
| |
| for (auto usedSlotInstance : IterateBitSet(vertexBufferSlotsUsedAsInstanceBuffer)) { |
| const VertexBufferInfo& vertexBuffer = |
| lastRenderPipeline->GetVertexBuffer(usedSlotInstance); |
| uint64_t arrayStride = vertexBuffer.arrayStride; |
| uint64_t bufferSize = mVertexBufferSizes[usedSlotInstance]; |
| if (arrayStride == 0) { |
| DAWN_INVALID_IF(vertexBuffer.usedBytesInStride > bufferSize, |
| "Bound vertex buffer size (%u) at slot %u with an arrayStride of 0 " |
| "is smaller than the required size for all attributes (%u)", |
| bufferSize, static_cast<uint8_t>(usedSlotInstance), |
| vertexBuffer.usedBytesInStride); |
| } else { |
| DAWN_ASSERT(strideCount != 0u); |
| uint64_t requiredSize = (strideCount - 1u) * arrayStride + vertexBuffer.lastStride; |
| // firstInstance and instanceCount are in uint32_t, |
| // arrayStride must not be larger than kMaxVertexBufferArrayStride, which is |
| // currently 2048, and vertexBuffer.lastStride = max(attribute.offset + |
| // sizeof(attribute.format)) with attribute.offset being no larger than |
| // kMaxVertexBufferArrayStride, so by doing checks in uint64_t we avoid |
| // overflows. |
| DAWN_INVALID_IF( |
| requiredSize > bufferSize, |
| "Instance range (first: %u, count: %u) requires a larger buffer (%u) than " |
| "the " |
| "bound buffer size (%u) of the vertex buffer at slot %u with stride %u.", |
| firstInstance, instanceCount, requiredSize, bufferSize, |
| static_cast<uint8_t>(usedSlotInstance), arrayStride); |
| } |
| } |
| |
| return {}; |
| } |
| |
| MaybeError CommandBufferStateTracker::ValidateIndexBufferInRange(uint32_t indexCount, |
| uint32_t firstIndex) { |
| // Validate the range of index buffer |
| // firstIndex and indexCount are in uint32_t, while IndexFormatSize is 2 (for |
| // wgpu::IndexFormat::Uint16) or 4 (for wgpu::IndexFormat::Uint32), so by doing checks in |
| // uint64_t we avoid overflows. |
| DAWN_INVALID_IF( |
| (static_cast<uint64_t>(firstIndex) + indexCount) * IndexFormatSize(mIndexFormat) > |
| mIndexBufferSize, |
| "Index range (first: %u, count: %u, format: %s) does not fit in index buffer size " |
| "(%u).", |
| firstIndex, indexCount, mIndexFormat, mIndexBufferSize); |
| return {}; |
| } |
| |
| MaybeError CommandBufferStateTracker::ValidateOperation(ValidationAspects requiredAspects) { |
| // Fast return-true path if everything is good |
| ValidationAspects missingAspects = requiredAspects & ~mAspects; |
| if (missingAspects.none()) { |
| return {}; |
| } |
| |
| // Generate an error immediately if a non-lazy aspect is missing as computing lazy aspects |
| // requires the pipeline to be set. |
| DAWN_TRY(CheckMissingAspects(missingAspects & ~kLazyAspects)); |
| |
| RecomputeLazyAspects(missingAspects); |
| |
| DAWN_TRY(CheckMissingAspects(requiredAspects & ~mAspects)); |
| |
| return {}; |
| } |
| |
| void CommandBufferStateTracker::RecomputeLazyAspects(ValidationAspects aspects) { |
| ASSERT(mAspects[VALIDATION_ASPECT_PIPELINE]); |
| ASSERT((aspects & ~kLazyAspects).none()); |
| |
| if (aspects[VALIDATION_ASPECT_BIND_GROUPS]) { |
| bool matches = true; |
| |
| for (BindGroupIndex i : IterateBitSet(mLastPipelineLayout->GetBindGroupLayoutsMask())) { |
| if (mBindgroups[i] == nullptr || |
| mLastPipelineLayout->GetBindGroupLayout(i) != mBindgroups[i]->GetLayout() || |
| FindFirstUndersizedBuffer(mBindgroups[i]->GetUnverifiedBufferSizes(), |
| (*mMinBufferSizes)[i]) |
| .has_value()) { |
| matches = false; |
| break; |
| } |
| } |
| |
| if (matches) { |
| // Continue checking if there is writable storage buffer binding aliasing or not |
| if (FindStorageBufferBindingAliasing<bool>(mLastPipelineLayout, mBindgroups, |
| mDynamicOffsets)) { |
| matches = false; |
| } |
| } |
| |
| if (matches) { |
| mAspects.set(VALIDATION_ASPECT_BIND_GROUPS); |
| } |
| } |
| |
| if (aspects[VALIDATION_ASPECT_VERTEX_BUFFERS]) { |
| RenderPipelineBase* lastRenderPipeline = GetRenderPipeline(); |
| |
| const ityp::bitset<VertexBufferSlot, kMaxVertexBuffers>& requiredVertexBuffers = |
| lastRenderPipeline->GetVertexBufferSlotsUsed(); |
| if (IsSubset(requiredVertexBuffers, mVertexBufferSlotsUsed)) { |
| mAspects.set(VALIDATION_ASPECT_VERTEX_BUFFERS); |
| } |
| } |
| |
| if (aspects[VALIDATION_ASPECT_INDEX_BUFFER] && mIndexBufferSet) { |
| RenderPipelineBase* lastRenderPipeline = GetRenderPipeline(); |
| if (!IsStripPrimitiveTopology(lastRenderPipeline->GetPrimitiveTopology()) || |
| mIndexFormat == lastRenderPipeline->GetStripIndexFormat()) { |
| mAspects.set(VALIDATION_ASPECT_INDEX_BUFFER); |
| } |
| } |
| } |
| |
| MaybeError CommandBufferStateTracker::CheckMissingAspects(ValidationAspects aspects) { |
| if (!aspects.any()) { |
| return {}; |
| } |
| |
| DAWN_INVALID_IF(aspects[VALIDATION_ASPECT_PIPELINE], "No pipeline set."); |
| |
| if (aspects[VALIDATION_ASPECT_INDEX_BUFFER]) { |
| DAWN_INVALID_IF(!mIndexBufferSet, "Index buffer was not set."); |
| |
| RenderPipelineBase* lastRenderPipeline = GetRenderPipeline(); |
| wgpu::IndexFormat pipelineIndexFormat = lastRenderPipeline->GetStripIndexFormat(); |
| |
| if (IsStripPrimitiveTopology(lastRenderPipeline->GetPrimitiveTopology())) { |
| DAWN_INVALID_IF( |
| pipelineIndexFormat == wgpu::IndexFormat::Undefined, |
| "%s has a strip primitive topology (%s) but a strip index format of %s, which " |
| "prevents it for being used for indexed draw calls.", |
| lastRenderPipeline, lastRenderPipeline->GetPrimitiveTopology(), |
| pipelineIndexFormat); |
| |
| DAWN_INVALID_IF( |
| mIndexFormat != pipelineIndexFormat, |
| "Strip index format (%s) of %s does not match index buffer format (%s).", |
| pipelineIndexFormat, lastRenderPipeline, mIndexFormat); |
| } |
| |
| // The chunk of code above should be similar to the one in |RecomputeLazyAspects|. |
| // It returns the first invalid state found. We shouldn't be able to reach this line |
| // because to have invalid aspects one of the above conditions must have failed earlier. |
| // If this is reached, make sure lazy aspects and the error checks above are consistent. |
| UNREACHABLE(); |
| return DAWN_VALIDATION_ERROR("Index buffer is invalid."); |
| } |
| |
| if (aspects[VALIDATION_ASPECT_VERTEX_BUFFERS]) { |
| // Try to be helpful by finding one missing vertex buffer to surface in the error message. |
| const ityp::bitset<VertexBufferSlot, kMaxVertexBuffers> missingVertexBuffers = |
| GetRenderPipeline()->GetVertexBufferSlotsUsed() & ~mVertexBufferSlotsUsed; |
| ASSERT(missingVertexBuffers.any()); |
| |
| VertexBufferSlot firstMissing = ityp::Sub(GetHighestBitIndexPlusOne(missingVertexBuffers), |
| VertexBufferSlot(uint8_t(1))); |
| return DAWN_VALIDATION_ERROR("Vertex buffer slot %u required by %s was not set.", |
| uint8_t(firstMissing), GetRenderPipeline()); |
| } |
| |
| if (aspects[VALIDATION_ASPECT_BIND_GROUPS]) { |
| for (BindGroupIndex i : IterateBitSet(mLastPipelineLayout->GetBindGroupLayoutsMask())) { |
| ASSERT(HasPipeline()); |
| |
| DAWN_INVALID_IF(mBindgroups[i] == nullptr, "No bind group set at group index %u.", |
| static_cast<uint32_t>(i)); |
| |
| BindGroupLayoutBase* requiredBGL = mLastPipelineLayout->GetBindGroupLayout(i); |
| BindGroupLayoutBase* currentBGL = mBindgroups[i]->GetLayout(); |
| |
| DAWN_INVALID_IF( |
| requiredBGL->GetPipelineCompatibilityToken() != PipelineCompatibilityToken(0) && |
| currentBGL->GetPipelineCompatibilityToken() != |
| requiredBGL->GetPipelineCompatibilityToken(), |
| "The current pipeline (%s) was created with a default layout, and is not " |
| "compatible with the %s set at group index %u which uses a %s that was not " |
| "created by the pipeline. Either use the bind group layout returned by calling " |
| "getBindGroupLayout(%u) on the pipeline when creating the bind group, or " |
| "provide an explicit pipeline layout when creating the pipeline.", |
| mLastPipeline, mBindgroups[i], static_cast<uint32_t>(i), currentBGL, |
| static_cast<uint32_t>(i)); |
| |
| DAWN_INVALID_IF( |
| requiredBGL->GetPipelineCompatibilityToken() == PipelineCompatibilityToken(0) && |
| currentBGL->GetPipelineCompatibilityToken() != PipelineCompatibilityToken(0), |
| "%s set at group index %u uses a %s which was created as part of the default " |
| "layout " |
| "for a different pipeline than the current one (%s), and as a result is not " |
| "compatible. Use an explicit bind group layout when creating bind groups and " |
| "an explicit pipeline layout when creating pipelines to share bind groups " |
| "between pipelines.", |
| mBindgroups[i], static_cast<uint32_t>(i), currentBGL, mLastPipeline); |
| |
| DAWN_INVALID_IF( |
| mLastPipelineLayout->GetBindGroupLayout(i) != mBindgroups[i]->GetLayout(), |
| "Bind group layout %s of pipeline layout %s does not match layout %s of bind " |
| "group %s set at group index %u.", |
| requiredBGL, mLastPipelineLayout, currentBGL, mBindgroups[i], |
| static_cast<uint32_t>(i)); |
| |
| std::optional<uint32_t> packedIndex = FindFirstUndersizedBuffer( |
| mBindgroups[i]->GetUnverifiedBufferSizes(), (*mMinBufferSizes)[i]); |
| if (packedIndex.has_value()) { |
| // Find the binding index for this packed index. |
| BindingIndex bindingIndex{std::numeric_limits<uint32_t>::max()}; |
| mBindgroups[i]->ForEachUnverifiedBufferBindingIndex( |
| [&](BindingIndex candidateBindingIndex, uint32_t candidatePackedIndex) { |
| if (candidatePackedIndex == *packedIndex) { |
| bindingIndex = candidateBindingIndex; |
| } |
| }); |
| ASSERT(static_cast<uint32_t>(bindingIndex) != std::numeric_limits<uint32_t>::max()); |
| |
| const auto& bindingInfo = mBindgroups[i]->GetLayout()->GetBindingInfo(bindingIndex); |
| const BufferBinding& bufferBinding = |
| mBindgroups[i]->GetBindingAsBufferBinding(bindingIndex); |
| |
| BindingNumber bindingNumber = bindingInfo.binding; |
| const BufferBase* buffer = bufferBinding.buffer; |
| |
| uint64_t bufferSize = |
| mBindgroups[i]->GetUnverifiedBufferSizes()[packedIndex.value()]; |
| uint64_t minBufferSize = (*mMinBufferSizes)[i][packedIndex.value()]; |
| |
| return DAWN_VALIDATION_ERROR( |
| "%s bound with size %u at group %u, binding %u is too small. The pipeline (%s) " |
| "requires a buffer binding which is at least %u bytes.%s", |
| buffer, bufferSize, static_cast<uint32_t>(i), |
| static_cast<uint32_t>(bindingNumber), mLastPipeline, minBufferSize, |
| (bindingInfo.buffer.type == wgpu::BufferBindingType::Uniform |
| ? " This binding is a uniform buffer binding. It is padded to a multiple " |
| "of 16 bytes, and as a result may be larger than the associated data in " |
| "the shader source." |
| : "")); |
| } |
| } |
| |
| auto result = FindStorageBufferBindingAliasing<WritableBindingAliasingResult>( |
| mLastPipelineLayout, mBindgroups, mDynamicOffsets); |
| |
| if (std::holds_alternative<BufferAliasing>(result)) { |
| const auto& a = std::get<BufferAliasing>(result); |
| return DAWN_VALIDATION_ERROR( |
| "Writable storage buffer binding aliasing found between %s set at bind group index " |
| "%u, binding index %u, and %s set at bind group index %u, binding index %u, with " |
| "overlapping ranges (offset: %u, size: %u) and (offset: %u, size: %u) in %s.", |
| mBindgroups[a.e0.bindGroupIndex], static_cast<uint32_t>(a.e0.bindGroupIndex), |
| static_cast<uint32_t>(a.e0.bindingIndex), mBindgroups[a.e1.bindGroupIndex], |
| static_cast<uint32_t>(a.e1.bindGroupIndex), |
| static_cast<uint32_t>(a.e1.bindingIndex), a.e0.offset, a.e0.size, a.e1.offset, |
| a.e1.size, |
| mBindgroups[a.e0.bindGroupIndex] |
| ->GetBindingAsBufferBinding(a.e0.bindingIndex) |
| .buffer); |
| } else { |
| ASSERT(std::holds_alternative<TextureAliasing>(result)); |
| const auto& a = std::get<TextureAliasing>(result); |
| return DAWN_VALIDATION_ERROR( |
| "Writable storage texture binding aliasing found between %s set at bind group " |
| "index %u, binding index %u, and %s set at bind group index %u, binding index %u, " |
| "with subresources (base mipmap level: %u, mip level count: %u, base array layer: " |
| "%u, array layer count: %u) and (base mipmap level: %u, mip level count: %u, base " |
| "array layer: %u, array layer count: %u) in %s.", |
| mBindgroups[a.e0.bindGroupIndex], static_cast<uint32_t>(a.e0.bindGroupIndex), |
| static_cast<uint32_t>(a.e0.bindingIndex), mBindgroups[a.e1.bindGroupIndex], |
| static_cast<uint32_t>(a.e1.bindGroupIndex), |
| static_cast<uint32_t>(a.e1.bindingIndex), a.e0.baseMipLevel, a.e0.mipLevelCount, |
| a.e0.baseArrayLayer, a.e0.arrayLayerCount, a.e1.baseMipLevel, a.e1.mipLevelCount, |
| a.e1.baseArrayLayer, a.e1.arrayLayerCount, |
| mBindgroups[a.e0.bindGroupIndex] |
| ->GetBindingAsTextureView(a.e0.bindingIndex) |
| ->GetTexture()); |
| } |
| |
| // The chunk of code above should be similar to the one in |RecomputeLazyAspects|. |
| // It returns the first invalid state found. We shouldn't be able to reach this line |
| // because to have invalid aspects one of the above conditions must have failed earlier. |
| // If this is reached, make sure lazy aspects and the error checks above are consistent. |
| UNREACHABLE(); |
| return DAWN_VALIDATION_ERROR("Bind groups are invalid."); |
| } |
| |
| UNREACHABLE(); |
| } |
| |
| void CommandBufferStateTracker::SetComputePipeline(ComputePipelineBase* pipeline) { |
| SetPipelineCommon(pipeline); |
| } |
| |
| void CommandBufferStateTracker::SetRenderPipeline(RenderPipelineBase* pipeline) { |
| SetPipelineCommon(pipeline); |
| } |
| |
| void CommandBufferStateTracker::UnsetBindGroup(BindGroupIndex index) { |
| mBindgroups[index] = nullptr; |
| mAspects.reset(VALIDATION_ASPECT_BIND_GROUPS); |
| } |
| void CommandBufferStateTracker::SetBindGroup(BindGroupIndex index, |
| BindGroupBase* bindgroup, |
| uint32_t dynamicOffsetCount, |
| const uint32_t* dynamicOffsets) { |
| mBindgroups[index] = bindgroup; |
| mDynamicOffsets[index].assign(dynamicOffsets, dynamicOffsets + dynamicOffsetCount); |
| mAspects.reset(VALIDATION_ASPECT_BIND_GROUPS); |
| } |
| |
| void CommandBufferStateTracker::SetIndexBuffer(wgpu::IndexFormat format, uint64_t size) { |
| mIndexBufferSet = true; |
| mIndexFormat = format; |
| mIndexBufferSize = size; |
| } |
| |
| void CommandBufferStateTracker::UnsetVertexBuffer(VertexBufferSlot slot) { |
| mVertexBufferSlotsUsed.set(slot, false); |
| mVertexBufferSizes[slot] = 0; |
| mAspects.reset(VALIDATION_ASPECT_VERTEX_BUFFERS); |
| } |
| |
| void CommandBufferStateTracker::SetVertexBuffer(VertexBufferSlot slot, uint64_t size) { |
| mVertexBufferSlotsUsed.set(slot); |
| mVertexBufferSizes[slot] = size; |
| } |
| |
| void CommandBufferStateTracker::SetPipelineCommon(PipelineBase* pipeline) { |
| mLastPipeline = pipeline; |
| mLastPipelineLayout = pipeline != nullptr ? pipeline->GetLayout() : nullptr; |
| mMinBufferSizes = pipeline != nullptr ? &pipeline->GetMinBufferSizes() : nullptr; |
| |
| mAspects.set(VALIDATION_ASPECT_PIPELINE); |
| |
| // Reset lazy aspects so they get recomputed on the next operation. |
| mAspects &= ~kLazyAspects; |
| } |
| |
| BindGroupBase* CommandBufferStateTracker::GetBindGroup(BindGroupIndex index) const { |
| return mBindgroups[index]; |
| } |
| |
| const std::vector<uint32_t>& CommandBufferStateTracker::GetDynamicOffsets( |
| BindGroupIndex index) const { |
| return mDynamicOffsets[index]; |
| } |
| |
| bool CommandBufferStateTracker::HasPipeline() const { |
| return mLastPipeline != nullptr; |
| } |
| |
| RenderPipelineBase* CommandBufferStateTracker::GetRenderPipeline() const { |
| ASSERT(HasPipeline() && mLastPipeline->GetType() == ObjectType::RenderPipeline); |
| return static_cast<RenderPipelineBase*>(mLastPipeline); |
| } |
| |
| ComputePipelineBase* CommandBufferStateTracker::GetComputePipeline() const { |
| ASSERT(HasPipeline() && mLastPipeline->GetType() == ObjectType::ComputePipeline); |
| return static_cast<ComputePipelineBase*>(mLastPipeline); |
| } |
| |
| PipelineLayoutBase* CommandBufferStateTracker::GetPipelineLayout() const { |
| return mLastPipelineLayout; |
| } |
| |
| wgpu::IndexFormat CommandBufferStateTracker::GetIndexFormat() const { |
| return mIndexFormat; |
| } |
| |
| uint64_t CommandBufferStateTracker::GetIndexBufferSize() const { |
| return mIndexBufferSize; |
| } |
| |
| } // namespace dawn::native |