| // Copyright 2019 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/CommandValidation.h" |
| |
| #include <algorithm> |
| #include <limits> |
| #include <sstream> |
| #include <string> |
| #include <utility> |
| |
| #include "dawn/common/BitSetIterator.h" |
| #include "dawn/common/Numeric.h" |
| #include "dawn/native/BindGroup.h" |
| #include "dawn/native/Buffer.h" |
| #include "dawn/native/CommandBufferStateTracker.h" |
| #include "dawn/native/Commands.h" |
| #include "dawn/native/Device.h" |
| #include "dawn/native/Instance.h" |
| #include "dawn/native/PassResourceUsage.h" |
| #include "dawn/native/PhysicalDevice.h" |
| #include "dawn/native/QuerySet.h" |
| #include "dawn/native/RenderBundle.h" |
| #include "dawn/native/RenderPipeline.h" |
| #include "dawn/native/ValidationUtils_autogen.h" |
| |
| namespace dawn::native { |
| |
| // Performs validation of the "synchronization scope" rules of WebGPU. |
| MaybeError ValidateSyncScopeResourceUsage(const SyncScopeResourceUsage& scope) { |
| // Buffers can only be used as single-write or multiple read. |
| for (size_t i = 0; i < scope.bufferUsages.size(); ++i) { |
| const wgpu::BufferUsage usage = scope.bufferUsages[i]; |
| bool readOnly = IsSubset(usage, kReadOnlyBufferUsages); |
| bool singleUse = wgpu::HasZeroOrOneBits(usage); |
| |
| DAWN_INVALID_IF(!readOnly && !singleUse, |
| "%s usage (%s) includes writable usage and another usage in the same " |
| "synchronization scope.", |
| scope.buffers[i], usage); |
| } |
| |
| // Check that every single subresource is used as either a single-write usage or a |
| // combination of readonly usages. |
| for (size_t i = 0; i < scope.textureUsages.size(); ++i) { |
| const TextureSubresourceUsage& textureUsage = scope.textureUsages[i]; |
| DAWN_TRY(textureUsage.Iterate( |
| [&](const SubresourceRange&, const wgpu::TextureUsage& usage) -> MaybeError { |
| bool readOnly = IsSubset(usage, kReadOnlyTextureUsages); |
| bool singleUse = wgpu::HasZeroOrOneBits(usage); |
| if (readOnly || singleUse) { |
| return {}; |
| } |
| // kResolveTextureLoadAndStoreUsages are kResolveAttachmentLoadingUsage & |
| // RenderAttachment usage used in the same pass. |
| // This is accepted because kResolveAttachmentLoadingUsage is an internal loading |
| // operation for blitting a resolve target to an MSAA attachment. And there won't be |
| // and read-after-write hazard. |
| if (usage == kResolveTextureLoadAndStoreUsages) { |
| return {}; |
| } |
| return DAWN_VALIDATION_ERROR( |
| "%s usage (%s) includes writable usage and another usage in the same " |
| "synchronization scope.", |
| scope.textures[i], usage); |
| })); |
| } |
| return {}; |
| } |
| |
| MaybeError ValidateTimestampQuery(const DeviceBase* device, |
| const QuerySetBase* querySet, |
| uint32_t queryIndex, |
| Feature requiredFeature) { |
| DAWN_TRY(device->ValidateObject(querySet)); |
| |
| DAWN_INVALID_IF(!device->HasFeature(requiredFeature), |
| "Timestamp queries used without the %s feature enabled.", |
| device->GetPhysicalDevice() |
| ->GetInstance() |
| ->GetFeatureInfo(FeatureEnumToAPIFeature(requiredFeature)) |
| ->name); |
| |
| DAWN_INVALID_IF(querySet->GetQueryType() != wgpu::QueryType::Timestamp, |
| "The type of %s is not %s.", querySet, wgpu::QueryType::Timestamp); |
| |
| DAWN_INVALID_IF(queryIndex >= querySet->GetQueryCount(), |
| "Query index (%u) exceeds the number of queries (%u) in %s.", queryIndex, |
| querySet->GetQueryCount(), querySet); |
| |
| return {}; |
| } |
| |
| MaybeError ValidateWriteBuffer(const DeviceBase* device, |
| const BufferBase* buffer, |
| uint64_t bufferOffset, |
| uint64_t size) { |
| DAWN_TRY(device->ValidateObject(buffer)); |
| |
| DAWN_INVALID_IF(bufferOffset % 4 != 0, "BufferOffset (%u) is not a multiple of 4.", |
| bufferOffset); |
| |
| DAWN_INVALID_IF(size % 4 != 0, "Size (%u) is not a multiple of 4.", size); |
| |
| uint64_t bufferSize = buffer->GetSize(); |
| DAWN_INVALID_IF(bufferOffset > bufferSize || size > (bufferSize - bufferOffset), |
| "Write range (bufferOffset: %u, size: %u) does not fit in %s size (%u).", |
| bufferOffset, size, buffer, bufferSize); |
| |
| DAWN_TRY(ValidateCanUseAs(buffer, wgpu::BufferUsage::CopyDst)); |
| |
| return {}; |
| } |
| |
| bool IsRangeOverlapped(uint32_t startA, uint32_t startB, uint32_t length) { |
| if (length < 1) { |
| return false; |
| } |
| return RangesOverlap<uint64_t>( |
| static_cast<uint64_t>(startA), |
| static_cast<uint64_t>(startA) + static_cast<uint64_t>(length) - 1, |
| static_cast<uint64_t>(startB), |
| static_cast<uint64_t>(startB) + static_cast<uint64_t>(length) - 1); |
| } |
| |
| ResultOrError<uint64_t> ComputeRequiredBytesInCopy(const TexelBlockInfo& blockInfo, |
| const Extent3D& copySize, |
| uint32_t bytesPerRow, |
| uint32_t rowsPerImage) { |
| ASSERT(copySize.width % blockInfo.width == 0); |
| ASSERT(copySize.height % blockInfo.height == 0); |
| uint32_t widthInBlocks = copySize.width / blockInfo.width; |
| uint32_t heightInBlocks = copySize.height / blockInfo.height; |
| uint64_t bytesInLastRow = Safe32x32(widthInBlocks, blockInfo.byteSize); |
| |
| if (copySize.depthOrArrayLayers == 0) { |
| return 0; |
| } |
| |
| // Check for potential overflows for the rest of the computations. We have the following |
| // inequalities: |
| // |
| // bytesInLastRow <= bytesPerRow |
| // heightInBlocks <= rowsPerImage |
| // |
| // So: |
| // |
| // bytesInLastImage = bytesPerRow * (heightInBlocks - 1) + bytesInLastRow |
| // <= bytesPerRow * heightInBlocks |
| // <= bytesPerRow * rowsPerImage |
| // <= bytesPerImage |
| // |
| // This means that if the computation of depth * bytesPerImage doesn't overflow, none of the |
| // computations for requiredBytesInCopy will. (and it's not a very pessimizing check) |
| ASSERT(copySize.depthOrArrayLayers <= 1 || (bytesPerRow != wgpu::kCopyStrideUndefined && |
| rowsPerImage != wgpu::kCopyStrideUndefined)); |
| uint64_t bytesPerImage = Safe32x32(bytesPerRow, rowsPerImage); |
| DAWN_INVALID_IF( |
| bytesPerImage > std::numeric_limits<uint64_t>::max() / copySize.depthOrArrayLayers, |
| "The number of bytes per image (%u) exceeds the maximum (%u) when copying %u images.", |
| bytesPerImage, std::numeric_limits<uint64_t>::max() / copySize.depthOrArrayLayers, |
| copySize.depthOrArrayLayers); |
| |
| uint64_t requiredBytesInCopy = bytesPerImage * (copySize.depthOrArrayLayers - 1); |
| if (heightInBlocks > 0) { |
| ASSERT(heightInBlocks <= 1 || bytesPerRow != wgpu::kCopyStrideUndefined); |
| uint64_t bytesInLastImage = Safe32x32(bytesPerRow, heightInBlocks - 1) + bytesInLastRow; |
| requiredBytesInCopy += bytesInLastImage; |
| } |
| return requiredBytesInCopy; |
| } |
| |
| MaybeError ValidateCopySizeFitsInBuffer(const Ref<BufferBase>& buffer, |
| uint64_t offset, |
| uint64_t size, |
| BufferSizeType checkBufferSizeType) { |
| uint64_t bufferSize = 0; |
| switch (checkBufferSizeType) { |
| case BufferSizeType::Size: |
| bufferSize = buffer->GetSize(); |
| break; |
| case BufferSizeType::AllocatedSize: |
| bufferSize = buffer->GetAllocatedSize(); |
| break; |
| } |
| bool fitsInBuffer = offset <= bufferSize && (size <= (bufferSize - offset)); |
| DAWN_INVALID_IF(!fitsInBuffer, |
| "Copy range (offset: %u, size: %u) does not fit in %s size (%u).", offset, size, |
| buffer.Get(), bufferSize); |
| |
| return {}; |
| } |
| |
| // Replace wgpu::kCopyStrideUndefined with real values, so backends don't have to think about |
| // it. |
| void ApplyDefaultTextureDataLayoutOptions(TextureDataLayout* layout, |
| const TexelBlockInfo& blockInfo, |
| const Extent3D& copyExtent) { |
| ASSERT(layout != nullptr); |
| ASSERT(copyExtent.height % blockInfo.height == 0); |
| uint32_t heightInBlocks = copyExtent.height / blockInfo.height; |
| |
| if (layout->bytesPerRow == wgpu::kCopyStrideUndefined) { |
| ASSERT(copyExtent.width % blockInfo.width == 0); |
| uint32_t widthInBlocks = copyExtent.width / blockInfo.width; |
| uint32_t bytesInLastRow = widthInBlocks * blockInfo.byteSize; |
| |
| ASSERT(heightInBlocks <= 1 && copyExtent.depthOrArrayLayers <= 1); |
| layout->bytesPerRow = Align(bytesInLastRow, kTextureBytesPerRowAlignment); |
| } |
| if (layout->rowsPerImage == wgpu::kCopyStrideUndefined) { |
| ASSERT(copyExtent.depthOrArrayLayers <= 1); |
| layout->rowsPerImage = heightInBlocks; |
| } |
| } |
| |
| MaybeError ValidateLinearTextureData(const TextureDataLayout& layout, |
| uint64_t byteSize, |
| const TexelBlockInfo& blockInfo, |
| const Extent3D& copyExtent) { |
| ASSERT(copyExtent.height % blockInfo.height == 0); |
| uint32_t heightInBlocks = copyExtent.height / blockInfo.height; |
| |
| // TODO(dawn:563): Right now kCopyStrideUndefined will be formatted as a large value in the |
| // validation message. Investigate ways to make it print as a more readable symbol. |
| DAWN_INVALID_IF( |
| copyExtent.depthOrArrayLayers > 1 && (layout.bytesPerRow == wgpu::kCopyStrideUndefined || |
| layout.rowsPerImage == wgpu::kCopyStrideUndefined), |
| "Copy depth (%u) is > 1, but bytesPerRow (%u) or rowsPerImage (%u) are not specified.", |
| copyExtent.depthOrArrayLayers, layout.bytesPerRow, layout.rowsPerImage); |
| |
| DAWN_INVALID_IF(heightInBlocks > 1 && layout.bytesPerRow == wgpu::kCopyStrideUndefined, |
| "HeightInBlocks (%u) is > 1, but bytesPerRow is not specified.", |
| heightInBlocks); |
| |
| // Validation for other members in layout: |
| ASSERT(copyExtent.width % blockInfo.width == 0); |
| uint32_t widthInBlocks = copyExtent.width / blockInfo.width; |
| ASSERT(Safe32x32(widthInBlocks, blockInfo.byteSize) <= std::numeric_limits<uint32_t>::max()); |
| uint32_t bytesInLastRow = widthInBlocks * blockInfo.byteSize; |
| |
| // These != wgpu::kCopyStrideUndefined checks are technically redundant with the > checks, |
| // but they should get optimized out. |
| DAWN_INVALID_IF( |
| layout.bytesPerRow != wgpu::kCopyStrideUndefined && bytesInLastRow > layout.bytesPerRow, |
| "The byte size of each row (%u) is > bytesPerRow (%u).", bytesInLastRow, |
| layout.bytesPerRow); |
| |
| DAWN_INVALID_IF( |
| layout.rowsPerImage != wgpu::kCopyStrideUndefined && heightInBlocks > layout.rowsPerImage, |
| "The height of each image in blocks (%u) is > rowsPerImage (%u).", heightInBlocks, |
| layout.rowsPerImage); |
| |
| // We compute required bytes in copy after validating texel block alignments |
| // because the divisibility conditions are necessary for the algorithm to be valid, |
| // also the bytesPerRow bound is necessary to avoid overflows. |
| uint64_t requiredBytesInCopy; |
| DAWN_TRY_ASSIGN( |
| requiredBytesInCopy, |
| ComputeRequiredBytesInCopy(blockInfo, copyExtent, layout.bytesPerRow, layout.rowsPerImage)); |
| |
| bool fitsInData = |
| layout.offset <= byteSize && (requiredBytesInCopy <= (byteSize - layout.offset)); |
| DAWN_INVALID_IF( |
| !fitsInData, |
| "Required size for texture data layout (%u) exceeds the linear data size (%u) with " |
| "offset (%u).", |
| requiredBytesInCopy, byteSize, layout.offset); |
| |
| return {}; |
| } |
| |
| MaybeError ValidateImageCopyBuffer(DeviceBase const* device, |
| const ImageCopyBuffer& imageCopyBuffer) { |
| DAWN_TRY(device->ValidateObject(imageCopyBuffer.buffer)); |
| if (imageCopyBuffer.layout.bytesPerRow != wgpu::kCopyStrideUndefined) { |
| DAWN_INVALID_IF(imageCopyBuffer.layout.bytesPerRow % kTextureBytesPerRowAlignment != 0, |
| "bytesPerRow (%u) is not a multiple of %u.", |
| imageCopyBuffer.layout.bytesPerRow, kTextureBytesPerRowAlignment); |
| } |
| |
| return {}; |
| } |
| |
| MaybeError ValidateImageCopyTexture(DeviceBase const* device, |
| const ImageCopyTexture& textureCopy, |
| const Extent3D& copySize) { |
| const TextureBase* texture = textureCopy.texture; |
| DAWN_TRY(device->ValidateObject(texture)); |
| |
| DAWN_INVALID_IF(textureCopy.mipLevel >= texture->GetNumMipLevels(), |
| "MipLevel (%u) is greater than the number of mip levels (%u) in %s.", |
| textureCopy.mipLevel, texture->GetNumMipLevels(), texture); |
| |
| DAWN_TRY(ValidateTextureAspect(textureCopy.aspect)); |
| DAWN_INVALID_IF(SelectFormatAspects(texture->GetFormat(), textureCopy.aspect) == Aspect::None, |
| "%s format (%s) does not have the selected aspect (%s).", texture, |
| texture->GetFormat().format, textureCopy.aspect); |
| |
| if (texture->GetSampleCount() > 1 || texture->GetFormat().HasDepthOrStencil()) { |
| Extent3D subresourceSize = |
| texture->GetMipLevelSingleSubresourcePhysicalSize(textureCopy.mipLevel); |
| ASSERT(texture->GetDimension() == wgpu::TextureDimension::e2D); |
| DAWN_INVALID_IF( |
| textureCopy.origin.x != 0 || textureCopy.origin.y != 0 || |
| subresourceSize.width != copySize.width || |
| subresourceSize.height != copySize.height, |
| "Copy origin (%s) and size (%s) does not cover the entire subresource (origin: " |
| "[x: 0, y: 0], size: %s) of %s. The entire subresource must be copied when the " |
| "format (%s) is a depth/stencil format or the sample count (%u) is > 1.", |
| &textureCopy.origin, ©Size, &subresourceSize, texture, texture->GetFormat().format, |
| texture->GetSampleCount()); |
| } |
| |
| return {}; |
| } |
| |
| MaybeError ValidateTextureCopyRange(DeviceBase const* device, |
| const ImageCopyTexture& textureCopy, |
| const Extent3D& copySize) { |
| const TextureBase* texture = textureCopy.texture; |
| |
| // Validation for the copy being in-bounds: |
| Extent3D mipSize = texture->GetMipLevelSingleSubresourcePhysicalSize(textureCopy.mipLevel); |
| // For 1D/2D textures, include the array layer as depth so it can be checked with other |
| // dimensions. |
| if (texture->GetDimension() != wgpu::TextureDimension::e3D) { |
| mipSize.depthOrArrayLayers = texture->GetArrayLayers(); |
| } |
| // All texture dimensions are in uint32_t so by doing checks in uint64_t we avoid |
| // overflows. |
| DAWN_INVALID_IF( |
| static_cast<uint64_t>(textureCopy.origin.x) + static_cast<uint64_t>(copySize.width) > |
| static_cast<uint64_t>(mipSize.width) || |
| static_cast<uint64_t>(textureCopy.origin.y) + static_cast<uint64_t>(copySize.height) > |
| static_cast<uint64_t>(mipSize.height) || |
| static_cast<uint64_t>(textureCopy.origin.z) + |
| static_cast<uint64_t>(copySize.depthOrArrayLayers) > |
| static_cast<uint64_t>(mipSize.depthOrArrayLayers), |
| "Texture copy range (origin: %s, copySize: %s) touches outside of %s mip level %u " |
| "size (%s).", |
| &textureCopy.origin, ©Size, texture, textureCopy.mipLevel, &mipSize); |
| |
| // Validation for the texel block alignments: |
| const Format& format = textureCopy.texture->GetFormat(); |
| if (format.isCompressed) { |
| const TexelBlockInfo& blockInfo = format.GetAspectInfo(textureCopy.aspect).block; |
| DAWN_INVALID_IF( |
| textureCopy.origin.x % blockInfo.width != 0, |
| "Texture copy origin.x (%u) is not a multiple of compressed texture format block " |
| "width (%u).", |
| textureCopy.origin.x, blockInfo.width); |
| DAWN_INVALID_IF( |
| textureCopy.origin.y % blockInfo.height != 0, |
| "Texture copy origin.y (%u) is not a multiple of compressed texture format block " |
| "height (%u).", |
| textureCopy.origin.y, blockInfo.height); |
| DAWN_INVALID_IF( |
| copySize.width % blockInfo.width != 0, |
| "copySize.width (%u) is not a multiple of compressed texture format block width " |
| "(%u).", |
| copySize.width, blockInfo.width); |
| DAWN_INVALID_IF(copySize.height % blockInfo.height != 0, |
| "copySize.height (%u) is not a multiple of compressed texture format block " |
| "height (%u).", |
| copySize.height, blockInfo.height); |
| } |
| |
| return {}; |
| } |
| |
| // Always returns a single aspect (color, stencil, depth, or ith plane for multi-planar |
| // formats). |
| ResultOrError<Aspect> SingleAspectUsedByImageCopyTexture(const ImageCopyTexture& view) { |
| const Format& format = view.texture->GetFormat(); |
| switch (view.aspect) { |
| case wgpu::TextureAspect::All: { |
| DAWN_INVALID_IF( |
| !HasOneBit(format.aspects), |
| "More than a single aspect (%s) is selected for multi-planar format (%s) in " |
| "%s <-> linear data copy.", |
| view.aspect, format.format, view.texture); |
| |
| Aspect single = format.aspects; |
| return single; |
| } |
| case wgpu::TextureAspect::DepthOnly: |
| ASSERT(format.aspects & Aspect::Depth); |
| return Aspect::Depth; |
| case wgpu::TextureAspect::StencilOnly: |
| ASSERT(format.aspects & Aspect::Stencil); |
| return Aspect::Stencil; |
| case wgpu::TextureAspect::Plane0Only: |
| case wgpu::TextureAspect::Plane1Only: |
| break; |
| } |
| UNREACHABLE(); |
| } |
| |
| MaybeError ValidateLinearToDepthStencilCopyRestrictions(const ImageCopyTexture& dst) { |
| Aspect aspectUsed; |
| DAWN_TRY_ASSIGN(aspectUsed, SingleAspectUsedByImageCopyTexture(dst)); |
| |
| const Format& format = dst.texture->GetFormat(); |
| switch (format.format) { |
| case wgpu::TextureFormat::Depth16Unorm: |
| return {}; |
| default: |
| DAWN_INVALID_IF(aspectUsed == Aspect::Depth, |
| "Cannot copy into the depth aspect of %s with format %s.", dst.texture, |
| format.format); |
| break; |
| } |
| |
| return {}; |
| } |
| |
| MaybeError ValidateTextureToTextureCopyCommonRestrictions(const ImageCopyTexture& src, |
| const ImageCopyTexture& dst, |
| const Extent3D& copySize) { |
| const uint32_t srcSamples = src.texture->GetSampleCount(); |
| const uint32_t dstSamples = dst.texture->GetSampleCount(); |
| |
| DAWN_INVALID_IF( |
| srcSamples != dstSamples, |
| "Source %s sample count (%u) and destination %s sample count (%u) does not match.", |
| src.texture, srcSamples, dst.texture, dstSamples); |
| |
| // Metal cannot select a single aspect for texture-to-texture copies. |
| const Format& format = src.texture->GetFormat(); |
| DAWN_INVALID_IF( |
| SelectFormatAspects(format, src.aspect) != format.aspects, |
| "Source %s aspect (%s) doesn't select all the aspects of the source format (%s).", |
| src.texture, src.aspect, format.format); |
| |
| DAWN_INVALID_IF( |
| SelectFormatAspects(format, dst.aspect) != format.aspects, |
| "Destination %s aspect (%s) doesn't select all the aspects of the destination format " |
| "(%s).", |
| dst.texture, dst.aspect, format.format); |
| |
| if (src.texture == dst.texture) { |
| switch (src.texture->GetDimension()) { |
| case wgpu::TextureDimension::e1D: |
| ASSERT(src.mipLevel == 0 && src.origin.z == 0 && dst.origin.z == 0); |
| return DAWN_VALIDATION_ERROR("Copy is from %s to itself.", src.texture); |
| |
| case wgpu::TextureDimension::e2D: |
| DAWN_INVALID_IF( |
| src.mipLevel == dst.mipLevel && |
| IsRangeOverlapped(src.origin.z, dst.origin.z, copySize.depthOrArrayLayers), |
| "Copy source and destination are overlapping layer ranges " |
| "([%u, %u) and [%u, %u)) of %s mip level %u", |
| src.origin.z, src.origin.z + copySize.depthOrArrayLayers, dst.origin.z, |
| dst.origin.z + copySize.depthOrArrayLayers, src.texture, src.mipLevel); |
| break; |
| |
| case wgpu::TextureDimension::e3D: |
| DAWN_INVALID_IF(src.mipLevel == dst.mipLevel, |
| "Copy is from %s mip level %u to itself.", src.texture, |
| src.mipLevel); |
| break; |
| } |
| } |
| |
| return {}; |
| } |
| |
| MaybeError ValidateTextureToTextureCopyRestrictions(const ImageCopyTexture& src, |
| const ImageCopyTexture& dst, |
| const Extent3D& copySize) { |
| // Metal requires texture-to-texture copies happens between texture formats that equal to |
| // each other or only have diff on srgb-ness. |
| DAWN_INVALID_IF(!src.texture->GetFormat().CopyCompatibleWith(dst.texture->GetFormat()), |
| "Source %s format (%s) and destination %s format (%s) are not copy compatible.", |
| src.texture, src.texture->GetFormat().format, dst.texture, |
| dst.texture->GetFormat().format); |
| |
| return ValidateTextureToTextureCopyCommonRestrictions(src, dst, copySize); |
| } |
| |
| MaybeError ValidateCanUseAs(const TextureBase* texture, |
| wgpu::TextureUsage usage, |
| UsageValidationMode mode) { |
| ASSERT(wgpu::HasZeroOrOneBits(usage)); |
| switch (mode) { |
| case UsageValidationMode::Default: |
| DAWN_INVALID_IF(!(texture->GetUsage() & usage), "%s usage (%s) doesn't include %s.", |
| texture, texture->GetUsage(), usage); |
| break; |
| case UsageValidationMode::Internal: |
| DAWN_INVALID_IF(!(texture->GetInternalUsage() & usage), |
| "%s internal usage (%s) doesn't include %s.", texture, |
| texture->GetInternalUsage(), usage); |
| break; |
| } |
| return {}; |
| } |
| |
| MaybeError ValidateCanUseAs(const BufferBase* buffer, wgpu::BufferUsage usage) { |
| ASSERT(wgpu::HasZeroOrOneBits(usage)); |
| DAWN_INVALID_IF(!(buffer->GetUsageExternalOnly() & usage), "%s usage (%s) doesn't include %s.", |
| buffer, buffer->GetUsageExternalOnly(), usage); |
| return {}; |
| } |
| |
| namespace { |
| std::string TextureFormatsToString(const ColorAttachmentFormats& formats) { |
| std::ostringstream ss; |
| ss << "[ "; |
| for (const Format* format : formats) { |
| ss << absl::StrFormat("%s", format->format) << " "; |
| } |
| ss << "]"; |
| return ss.str(); |
| } |
| } // anonymous namespace |
| |
| MaybeError ValidateColorAttachmentBytesPerSample(DeviceBase* device, |
| const ColorAttachmentFormats& formats) { |
| uint32_t totalByteSize = 0; |
| for (const Format* format : formats) { |
| totalByteSize = Align(totalByteSize, format->renderTargetComponentAlignment); |
| totalByteSize += format->renderTargetPixelByteCost; |
| } |
| uint32_t maxColorAttachmentBytesPerSample = |
| device->GetLimits().v1.maxColorAttachmentBytesPerSample; |
| DAWN_INVALID_IF( |
| totalByteSize > maxColorAttachmentBytesPerSample, |
| "Total color attachment bytes per sample (%u) exceeds maximum (%u) with formats (%s).", |
| totalByteSize, maxColorAttachmentBytesPerSample, TextureFormatsToString(formats)); |
| |
| return {}; |
| } |
| |
| } // namespace dawn::native |