| // 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/Texture.h" | |
| #include <algorithm> | |
| #include "common/Assert.h" | |
| #include "common/Constants.h" | |
| #include "common/Math.h" | |
| #include "dawn_native/Device.h" | |
| #include "dawn_native/EnumMaskIterator.h" | |
| #include "dawn_native/PassResourceUsage.h" | |
| #include "dawn_native/ValidationUtils_autogen.h" | |
| namespace dawn_native { | |
| namespace { | |
| // WebGPU currently does not have texture format reinterpretation. If it does, the | |
| // code to check for it might go here. | |
| MaybeError ValidateTextureViewFormatCompatibility(const TextureBase* texture, | |
| const TextureViewDescriptor* descriptor) { | |
| if (texture->GetFormat().format != descriptor->format) { | |
| if (descriptor->aspect != wgpu::TextureAspect::All && | |
| texture->GetFormat().GetAspectInfo(descriptor->aspect).format == | |
| descriptor->format) { | |
| return {}; | |
| } | |
| return DAWN_VALIDATION_ERROR( | |
| "The format of texture view is not compatible to the original texture"); | |
| } | |
| return {}; | |
| } | |
| // TODO(crbug.com/dawn/814): Implement for 1D texture. | |
| bool IsTextureViewDimensionCompatibleWithTextureDimension( | |
| wgpu::TextureViewDimension textureViewDimension, | |
| wgpu::TextureDimension textureDimension) { | |
| switch (textureViewDimension) { | |
| case wgpu::TextureViewDimension::e2D: | |
| case wgpu::TextureViewDimension::e2DArray: | |
| case wgpu::TextureViewDimension::Cube: | |
| case wgpu::TextureViewDimension::CubeArray: | |
| return textureDimension == wgpu::TextureDimension::e2D; | |
| case wgpu::TextureViewDimension::e3D: | |
| return textureDimension == wgpu::TextureDimension::e3D; | |
| case wgpu::TextureViewDimension::e1D: | |
| case wgpu::TextureViewDimension::Undefined: | |
| UNREACHABLE(); | |
| } | |
| } | |
| // TODO(crbug.com/dawn/814): Implement for 1D texture. | |
| bool IsArrayLayerValidForTextureViewDimension( | |
| wgpu::TextureViewDimension textureViewDimension, | |
| uint32_t textureViewArrayLayer) { | |
| switch (textureViewDimension) { | |
| case wgpu::TextureViewDimension::e2D: | |
| case wgpu::TextureViewDimension::e3D: | |
| return textureViewArrayLayer == 1u; | |
| case wgpu::TextureViewDimension::e2DArray: | |
| return true; | |
| case wgpu::TextureViewDimension::Cube: | |
| return textureViewArrayLayer == 6u; | |
| case wgpu::TextureViewDimension::CubeArray: | |
| return textureViewArrayLayer % 6 == 0; | |
| case wgpu::TextureViewDimension::e1D: | |
| case wgpu::TextureViewDimension::Undefined: | |
| UNREACHABLE(); | |
| } | |
| } | |
| bool IsTextureSizeValidForTextureViewDimension( | |
| wgpu::TextureViewDimension textureViewDimension, | |
| const Extent3D& textureSize) { | |
| switch (textureViewDimension) { | |
| case wgpu::TextureViewDimension::Cube: | |
| case wgpu::TextureViewDimension::CubeArray: | |
| return textureSize.width == textureSize.height; | |
| case wgpu::TextureViewDimension::e2D: | |
| case wgpu::TextureViewDimension::e2DArray: | |
| case wgpu::TextureViewDimension::e3D: | |
| return true; | |
| case wgpu::TextureViewDimension::e1D: | |
| case wgpu::TextureViewDimension::Undefined: | |
| UNREACHABLE(); | |
| } | |
| } | |
| MaybeError ValidateSampleCount(const TextureDescriptor* descriptor, const Format* format) { | |
| if (!IsValidSampleCount(descriptor->sampleCount)) { | |
| return DAWN_VALIDATION_ERROR("The sample count of the texture is not supported."); | |
| } | |
| if (descriptor->sampleCount > 1) { | |
| if (descriptor->mipLevelCount > 1) { | |
| return DAWN_VALIDATION_ERROR( | |
| "The mipmap level count of a multisampled texture must be 1."); | |
| } | |
| // Multisampled 1D and 3D textures are not supported in D3D12/Metal/Vulkan. | |
| // Multisampled 2D array texture is not supported because on Metal it requires the | |
| // version of macOS be greater than 10.14. | |
| if (descriptor->dimension != wgpu::TextureDimension::e2D || | |
| descriptor->size.depthOrArrayLayers > 1) { | |
| return DAWN_VALIDATION_ERROR("Multisampled texture must be 2D with depth=1"); | |
| } | |
| // If a format can support multisample, it must be renderable. Because Vulkan | |
| // requires that if the format is not color-renderable or depth/stencil renderable, | |
| // sampleCount must be 1. | |
| if (!format->isRenderable) { | |
| return DAWN_VALIDATION_ERROR("This format cannot support multisample."); | |
| } | |
| // Compressed formats are not renderable. They cannot support multisample. | |
| ASSERT(!format->isCompressed); | |
| if (descriptor->usage & wgpu::TextureUsage::Storage) { | |
| return DAWN_VALIDATION_ERROR( | |
| "The sample counts of the storage textures must be 1."); | |
| } | |
| } | |
| return {}; | |
| } | |
| MaybeError ValidateTextureViewDimensionCompatibility( | |
| const TextureBase* texture, | |
| const TextureViewDescriptor* descriptor) { | |
| if (!IsArrayLayerValidForTextureViewDimension(descriptor->dimension, | |
| descriptor->arrayLayerCount)) { | |
| return DAWN_VALIDATION_ERROR( | |
| "The dimension of the texture view is not compatible with the layer count"); | |
| } | |
| if (!IsTextureViewDimensionCompatibleWithTextureDimension(descriptor->dimension, | |
| texture->GetDimension())) { | |
| return DAWN_VALIDATION_ERROR( | |
| "The dimension of the texture view is not compatible with the dimension of the" | |
| "original texture"); | |
| } | |
| if (!IsTextureSizeValidForTextureViewDimension(descriptor->dimension, | |
| texture->GetSize())) { | |
| return DAWN_VALIDATION_ERROR( | |
| "The dimension of the texture view is not compatible with the size of the" | |
| "original texture"); | |
| } | |
| return {}; | |
| } | |
| MaybeError ValidateTextureSize(const TextureDescriptor* descriptor, const Format* format) { | |
| ASSERT(descriptor->size.width != 0 && descriptor->size.height != 0 && | |
| descriptor->size.depthOrArrayLayers != 0); | |
| Extent3D maxExtent; | |
| switch (descriptor->dimension) { | |
| case wgpu::TextureDimension::e2D: | |
| maxExtent = {kMaxTextureDimension2D, kMaxTextureDimension2D, | |
| kMaxTextureArrayLayers}; | |
| break; | |
| case wgpu::TextureDimension::e3D: | |
| maxExtent = {kMaxTextureDimension3D, kMaxTextureDimension3D, | |
| kMaxTextureDimension3D}; | |
| break; | |
| case wgpu::TextureDimension::e1D: | |
| default: | |
| UNREACHABLE(); | |
| } | |
| if (descriptor->size.width > maxExtent.width || | |
| descriptor->size.height > maxExtent.height || | |
| descriptor->size.depthOrArrayLayers > maxExtent.depthOrArrayLayers) { | |
| return DAWN_VALIDATION_ERROR("Texture dimension (width, height or depth) exceeded"); | |
| } | |
| uint32_t maxMippedDimension = descriptor->size.width; | |
| if (descriptor->dimension != wgpu::TextureDimension::e1D) { | |
| maxMippedDimension = std::max(maxMippedDimension, descriptor->size.height); | |
| } | |
| if (descriptor->dimension == wgpu::TextureDimension::e3D) { | |
| maxMippedDimension = | |
| std::max(maxMippedDimension, descriptor->size.depthOrArrayLayers); | |
| } | |
| if (Log2(maxMippedDimension) + 1 < descriptor->mipLevelCount) { | |
| return DAWN_VALIDATION_ERROR("Texture has too many mip levels"); | |
| } | |
| ASSERT(descriptor->mipLevelCount <= kMaxTexture2DMipLevels); | |
| if (format->isCompressed) { | |
| const TexelBlockInfo& blockInfo = | |
| format->GetAspectInfo(wgpu::TextureAspect::All).block; | |
| if (descriptor->size.width % blockInfo.width != 0 || | |
| descriptor->size.height % blockInfo.height != 0) { | |
| return DAWN_VALIDATION_ERROR( | |
| "The size of the texture is incompatible with the texture format"); | |
| } | |
| } | |
| return {}; | |
| } | |
| MaybeError ValidateTextureUsage(const TextureDescriptor* descriptor, const Format* format) { | |
| DAWN_TRY(dawn_native::ValidateTextureUsage(descriptor->usage)); | |
| constexpr wgpu::TextureUsage kValidCompressedUsages = wgpu::TextureUsage::Sampled | | |
| wgpu::TextureUsage::CopySrc | | |
| wgpu::TextureUsage::CopyDst; | |
| if (format->isCompressed && !IsSubset(descriptor->usage, kValidCompressedUsages)) { | |
| return DAWN_VALIDATION_ERROR( | |
| "Compressed texture format is incompatible with the texture usage"); | |
| } | |
| if (!format->isRenderable && | |
| (descriptor->usage & wgpu::TextureUsage::RenderAttachment)) { | |
| return DAWN_VALIDATION_ERROR( | |
| "Non-renderable format used with RenderAttachment usage"); | |
| } | |
| if (!format->supportsStorageUsage && | |
| (descriptor->usage & wgpu::TextureUsage::Storage)) { | |
| return DAWN_VALIDATION_ERROR("Format cannot be used in storage textures"); | |
| } | |
| constexpr wgpu::TextureUsage kValidMultiPlanarUsages = wgpu::TextureUsage::Sampled; | |
| if (format->IsMultiPlanar() && !IsSubset(descriptor->usage, kValidMultiPlanarUsages)) { | |
| return DAWN_VALIDATION_ERROR("Multi-planar format doesn't have valid usage."); | |
| } | |
| return {}; | |
| } | |
| } // anonymous namespace | |
| MaybeError ValidateTextureDescriptor(const DeviceBase* device, | |
| const TextureDescriptor* descriptor) { | |
| if (descriptor->nextInChain != nullptr) { | |
| return DAWN_VALIDATION_ERROR("nextInChain must be nullptr"); | |
| } | |
| if (descriptor->dimension == wgpu::TextureDimension::e1D) { | |
| return DAWN_VALIDATION_ERROR("1D textures aren't supported (yet)."); | |
| } | |
| const Format* format; | |
| DAWN_TRY_ASSIGN(format, device->GetInternalFormat(descriptor->format)); | |
| DAWN_TRY(ValidateTextureUsage(descriptor, format)); | |
| DAWN_TRY(ValidateTextureDimension(descriptor->dimension)); | |
| DAWN_TRY(ValidateSampleCount(descriptor, format)); | |
| if (descriptor->size.width == 0 || descriptor->size.height == 0 || | |
| descriptor->size.depthOrArrayLayers == 0 || descriptor->mipLevelCount == 0) { | |
| return DAWN_VALIDATION_ERROR("Cannot create an empty texture"); | |
| } | |
| // Disallow 1D and 3D textures as unsafe until they are fully implemented. | |
| if (descriptor->dimension != wgpu::TextureDimension::e2D && | |
| device->IsToggleEnabled(Toggle::DisallowUnsafeAPIs)) { | |
| return DAWN_VALIDATION_ERROR( | |
| "1D and 3D textures are disallowed because they are not fully implemented"); | |
| } | |
| if (descriptor->dimension != wgpu::TextureDimension::e2D && format->isCompressed) { | |
| return DAWN_VALIDATION_ERROR("Compressed texture must be 2D"); | |
| } | |
| // Depth/stencil formats are valid for 2D textures only. Metal has this limit. And D3D12 | |
| // doesn't support depth/stencil formats on 3D textures. | |
| if (descriptor->dimension != wgpu::TextureDimension::e2D && | |
| (format->aspects & (Aspect::Depth | Aspect::Stencil)) != 0) { | |
| return DAWN_VALIDATION_ERROR("Depth/stencil formats are valid for 2D textures only"); | |
| } | |
| DAWN_TRY(ValidateTextureSize(descriptor, format)); | |
| return {}; | |
| } | |
| MaybeError ValidateTextureViewDescriptor(const DeviceBase* device, | |
| const TextureBase* texture, | |
| const TextureViewDescriptor* descriptor) { | |
| if (descriptor->nextInChain != nullptr) { | |
| return DAWN_VALIDATION_ERROR("nextInChain must be nullptr"); | |
| } | |
| // Parent texture should have been already validated. | |
| ASSERT(texture); | |
| ASSERT(!texture->IsError()); | |
| if (texture->GetTextureState() == TextureBase::TextureState::Destroyed) { | |
| return DAWN_VALIDATION_ERROR("Destroyed texture used to create texture view"); | |
| } | |
| DAWN_TRY(ValidateTextureViewDimension(descriptor->dimension)); | |
| if (descriptor->dimension == wgpu::TextureViewDimension::e1D) { | |
| return DAWN_VALIDATION_ERROR("1D texture views aren't supported (yet)."); | |
| } | |
| // Disallow 3D views as unsafe until they are fully implemented. | |
| if (descriptor->dimension == wgpu::TextureViewDimension::e3D && | |
| device->IsToggleEnabled(Toggle::DisallowUnsafeAPIs)) { | |
| return DAWN_VALIDATION_ERROR( | |
| "3D views are disallowed because they are not fully implemented"); | |
| } | |
| DAWN_TRY(ValidateTextureFormat(descriptor->format)); | |
| DAWN_TRY(ValidateTextureAspect(descriptor->aspect)); | |
| if (SelectFormatAspects(texture->GetFormat(), descriptor->aspect) == Aspect::None) { | |
| return DAWN_VALIDATION_ERROR("Texture does not have selected aspect for texture view."); | |
| } | |
| if (descriptor->arrayLayerCount == 0 || descriptor->mipLevelCount == 0) { | |
| return DAWN_VALIDATION_ERROR("Cannot create an empty texture view"); | |
| } | |
| if (uint64_t(descriptor->baseArrayLayer) + uint64_t(descriptor->arrayLayerCount) > | |
| uint64_t(texture->GetArrayLayers())) { | |
| return DAWN_VALIDATION_ERROR("Texture view array-layer out of range"); | |
| } | |
| if (uint64_t(descriptor->baseMipLevel) + uint64_t(descriptor->mipLevelCount) > | |
| uint64_t(texture->GetNumMipLevels())) { | |
| return DAWN_VALIDATION_ERROR("Texture view mip-level out of range"); | |
| } | |
| DAWN_TRY(ValidateTextureViewFormatCompatibility(texture, descriptor)); | |
| DAWN_TRY(ValidateTextureViewDimensionCompatibility(texture, descriptor)); | |
| return {}; | |
| } | |
| TextureViewDescriptor GetTextureViewDescriptorWithDefaults( | |
| const TextureBase* texture, | |
| const TextureViewDescriptor* descriptor) { | |
| ASSERT(texture); | |
| TextureViewDescriptor desc = {}; | |
| if (descriptor) { | |
| desc = *descriptor; | |
| } | |
| // The default value for the view dimension depends on the texture's dimension with a | |
| // special case for 2DArray being chosen automatically if arrayLayerCount is unspecified. | |
| if (desc.dimension == wgpu::TextureViewDimension::Undefined) { | |
| switch (texture->GetDimension()) { | |
| case wgpu::TextureDimension::e1D: | |
| desc.dimension = wgpu::TextureViewDimension::e1D; | |
| break; | |
| case wgpu::TextureDimension::e2D: | |
| if (texture->GetArrayLayers() > 1u && desc.arrayLayerCount == 0) { | |
| desc.dimension = wgpu::TextureViewDimension::e2DArray; | |
| } else { | |
| desc.dimension = wgpu::TextureViewDimension::e2D; | |
| } | |
| break; | |
| case wgpu::TextureDimension::e3D: | |
| desc.dimension = wgpu::TextureViewDimension::e3D; | |
| break; | |
| } | |
| } | |
| if (desc.format == wgpu::TextureFormat::Undefined) { | |
| // TODO(dawn:682): Use GetAspectInfo(aspect). | |
| desc.format = texture->GetFormat().format; | |
| } | |
| if (desc.arrayLayerCount == 0) { | |
| desc.arrayLayerCount = texture->GetArrayLayers() - desc.baseArrayLayer; | |
| } | |
| if (desc.mipLevelCount == 0) { | |
| desc.mipLevelCount = texture->GetNumMipLevels() - desc.baseMipLevel; | |
| } | |
| return desc; | |
| } | |
| // WebGPU only supports sample counts of 1 and 4. We could expand to more based on | |
| // platform support, but it would probably be an extension. | |
| bool IsValidSampleCount(uint32_t sampleCount) { | |
| switch (sampleCount) { | |
| case 1: | |
| case 4: | |
| return true; | |
| default: | |
| return false; | |
| } | |
| } | |
| // TextureBase | |
| TextureBase::TextureBase(DeviceBase* device, | |
| const TextureDescriptor* descriptor, | |
| TextureState state) | |
| : ObjectBase(device), | |
| mDimension(descriptor->dimension), | |
| mFormat(device->GetValidInternalFormat(descriptor->format)), | |
| mSize(descriptor->size), | |
| mMipLevelCount(descriptor->mipLevelCount), | |
| mSampleCount(descriptor->sampleCount), | |
| mUsage(descriptor->usage), | |
| mState(state) { | |
| uint32_t subresourceCount = | |
| mMipLevelCount * GetArrayLayers() * GetAspectCount(mFormat.aspects); | |
| mIsSubresourceContentInitializedAtIndex = std::vector<bool>(subresourceCount, false); | |
| // Add readonly storage usage if the texture has a storage usage. The validation rules in | |
| // ValidateSyncScopeResourceUsage will make sure we don't use both at the same time. | |
| if (mUsage & wgpu::TextureUsage::Storage) { | |
| mUsage |= kReadOnlyStorageTexture; | |
| } | |
| } | |
| static Format kUnusedFormat; | |
| TextureBase::TextureBase(DeviceBase* device, ObjectBase::ErrorTag tag) | |
| : ObjectBase(device, tag), mFormat(kUnusedFormat) { | |
| } | |
| // static | |
| TextureBase* TextureBase::MakeError(DeviceBase* device) { | |
| return new TextureBase(device, ObjectBase::kError); | |
| } | |
| wgpu::TextureDimension TextureBase::GetDimension() const { | |
| ASSERT(!IsError()); | |
| return mDimension; | |
| } | |
| const Format& TextureBase::GetFormat() const { | |
| ASSERT(!IsError()); | |
| return mFormat; | |
| } | |
| const Extent3D& TextureBase::GetSize() const { | |
| ASSERT(!IsError()); | |
| return mSize; | |
| } | |
| uint32_t TextureBase::GetWidth() const { | |
| ASSERT(!IsError()); | |
| return mSize.width; | |
| } | |
| uint32_t TextureBase::GetHeight() const { | |
| ASSERT(!IsError()); | |
| ASSERT(mDimension != wgpu::TextureDimension::e1D); | |
| return mSize.height; | |
| } | |
| uint32_t TextureBase::GetDepth() const { | |
| ASSERT(!IsError()); | |
| ASSERT(mDimension == wgpu::TextureDimension::e3D); | |
| return mSize.depthOrArrayLayers; | |
| } | |
| uint32_t TextureBase::GetArrayLayers() const { | |
| ASSERT(!IsError()); | |
| // TODO(crbug.com/dawn/814): Update for 1D textures when they are supported. | |
| ASSERT(mDimension != wgpu::TextureDimension::e1D); | |
| if (mDimension == wgpu::TextureDimension::e3D) { | |
| return 1; | |
| } | |
| return mSize.depthOrArrayLayers; | |
| } | |
| uint32_t TextureBase::GetNumMipLevels() const { | |
| ASSERT(!IsError()); | |
| return mMipLevelCount; | |
| } | |
| SubresourceRange TextureBase::GetAllSubresources() const { | |
| ASSERT(!IsError()); | |
| return {mFormat.aspects, {0, GetArrayLayers()}, {0, mMipLevelCount}}; | |
| } | |
| uint32_t TextureBase::GetSampleCount() const { | |
| ASSERT(!IsError()); | |
| return mSampleCount; | |
| } | |
| uint32_t TextureBase::GetSubresourceCount() const { | |
| ASSERT(!IsError()); | |
| return static_cast<uint32_t>(mIsSubresourceContentInitializedAtIndex.size()); | |
| } | |
| wgpu::TextureUsage TextureBase::GetUsage() const { | |
| ASSERT(!IsError()); | |
| return mUsage; | |
| } | |
| TextureBase::TextureState TextureBase::GetTextureState() const { | |
| ASSERT(!IsError()); | |
| return mState; | |
| } | |
| uint32_t TextureBase::GetSubresourceIndex(uint32_t mipLevel, | |
| uint32_t arraySlice, | |
| Aspect aspect) const { | |
| ASSERT(arraySlice <= kMaxTextureArrayLayers); | |
| ASSERT(mipLevel <= kMaxTexture2DMipLevels); | |
| ASSERT(HasOneBit(aspect)); | |
| static_assert( | |
| kMaxTexture2DMipLevels <= std::numeric_limits<uint32_t>::max() / kMaxTextureArrayLayers, | |
| "texture size overflows uint32_t"); | |
| return mipLevel + | |
| GetNumMipLevels() * (arraySlice + GetArrayLayers() * GetAspectIndex(aspect)); | |
| } | |
| bool TextureBase::IsSubresourceContentInitialized(const SubresourceRange& range) const { | |
| ASSERT(!IsError()); | |
| for (Aspect aspect : IterateEnumMask(range.aspects)) { | |
| for (uint32_t arrayLayer = range.baseArrayLayer; | |
| arrayLayer < range.baseArrayLayer + range.layerCount; ++arrayLayer) { | |
| for (uint32_t mipLevel = range.baseMipLevel; | |
| mipLevel < range.baseMipLevel + range.levelCount; ++mipLevel) { | |
| uint32_t subresourceIndex = GetSubresourceIndex(mipLevel, arrayLayer, aspect); | |
| ASSERT(subresourceIndex < mIsSubresourceContentInitializedAtIndex.size()); | |
| if (!mIsSubresourceContentInitializedAtIndex[subresourceIndex]) { | |
| return false; | |
| } | |
| } | |
| } | |
| } | |
| return true; | |
| } | |
| void TextureBase::SetIsSubresourceContentInitialized(bool isInitialized, | |
| const SubresourceRange& range) { | |
| ASSERT(!IsError()); | |
| for (Aspect aspect : IterateEnumMask(range.aspects)) { | |
| for (uint32_t arrayLayer = range.baseArrayLayer; | |
| arrayLayer < range.baseArrayLayer + range.layerCount; ++arrayLayer) { | |
| for (uint32_t mipLevel = range.baseMipLevel; | |
| mipLevel < range.baseMipLevel + range.levelCount; ++mipLevel) { | |
| uint32_t subresourceIndex = GetSubresourceIndex(mipLevel, arrayLayer, aspect); | |
| ASSERT(subresourceIndex < mIsSubresourceContentInitializedAtIndex.size()); | |
| mIsSubresourceContentInitializedAtIndex[subresourceIndex] = isInitialized; | |
| } | |
| } | |
| } | |
| } | |
| MaybeError TextureBase::ValidateCanUseInSubmitNow() const { | |
| ASSERT(!IsError()); | |
| if (mState == TextureState::Destroyed) { | |
| return DAWN_VALIDATION_ERROR("Destroyed texture used in a submit"); | |
| } | |
| return {}; | |
| } | |
| bool TextureBase::IsMultisampledTexture() const { | |
| ASSERT(!IsError()); | |
| return mSampleCount > 1; | |
| } | |
| Extent3D TextureBase::GetMipLevelVirtualSize(uint32_t level) const { | |
| Extent3D extent = {std::max(mSize.width >> level, 1u), 1u, 1u}; | |
| if (mDimension == wgpu::TextureDimension::e1D) { | |
| return extent; | |
| } | |
| extent.height = std::max(mSize.height >> level, 1u); | |
| if (mDimension == wgpu::TextureDimension::e2D) { | |
| return extent; | |
| } | |
| extent.depthOrArrayLayers = std::max(mSize.depthOrArrayLayers >> level, 1u); | |
| return extent; | |
| } | |
| Extent3D TextureBase::GetMipLevelPhysicalSize(uint32_t level) const { | |
| Extent3D extent = GetMipLevelVirtualSize(level); | |
| // Compressed Textures will have paddings if their width or height is not a multiple of | |
| // 4 at non-zero mipmap levels. | |
| if (mFormat.isCompressed) { | |
| // TODO(crbug.com/dawn/830): check if there are any overflows. | |
| const TexelBlockInfo& blockInfo = mFormat.GetAspectInfo(wgpu::TextureAspect::All).block; | |
| extent.width = (extent.width + blockInfo.width - 1) / blockInfo.width * blockInfo.width; | |
| extent.height = | |
| (extent.height + blockInfo.height - 1) / blockInfo.height * blockInfo.height; | |
| } | |
| return extent; | |
| } | |
| Extent3D TextureBase::ClampToMipLevelVirtualSize(uint32_t level, | |
| const Origin3D& origin, | |
| const Extent3D& extent) const { | |
| const Extent3D virtualSizeAtLevel = GetMipLevelVirtualSize(level); | |
| uint32_t clampedCopyExtentWidth = (origin.x + extent.width > virtualSizeAtLevel.width) | |
| ? (virtualSizeAtLevel.width - origin.x) | |
| : extent.width; | |
| uint32_t clampedCopyExtentHeight = (origin.y + extent.height > virtualSizeAtLevel.height) | |
| ? (virtualSizeAtLevel.height - origin.y) | |
| : extent.height; | |
| return {clampedCopyExtentWidth, clampedCopyExtentHeight, extent.depthOrArrayLayers}; | |
| } | |
| TextureViewBase* TextureBase::APICreateView(const TextureViewDescriptor* descriptor) { | |
| DeviceBase* device = GetDevice(); | |
| Ref<TextureViewBase> result; | |
| if (device->ConsumedError(device->CreateTextureView(this, descriptor), &result)) { | |
| return TextureViewBase::MakeError(device); | |
| } | |
| return result.Detach(); | |
| } | |
| void TextureBase::APIDestroy() { | |
| if (GetDevice()->ConsumedError(ValidateDestroy())) { | |
| return; | |
| } | |
| ASSERT(!IsError()); | |
| DestroyInternal(); | |
| } | |
| void TextureBase::DestroyImpl() { | |
| } | |
| void TextureBase::DestroyInternal() { | |
| DestroyImpl(); | |
| mState = TextureState::Destroyed; | |
| } | |
| MaybeError TextureBase::ValidateDestroy() const { | |
| DAWN_TRY(GetDevice()->ValidateObject(this)); | |
| return {}; | |
| } | |
| // TextureViewBase | |
| TextureViewBase::TextureViewBase(TextureBase* texture, const TextureViewDescriptor* descriptor) | |
| : ObjectBase(texture->GetDevice()), | |
| mTexture(texture), | |
| mFormat(GetDevice()->GetValidInternalFormat(descriptor->format)), | |
| mDimension(descriptor->dimension), | |
| mRange({ConvertViewAspect(mFormat, descriptor->aspect), | |
| {descriptor->baseArrayLayer, descriptor->arrayLayerCount}, | |
| {descriptor->baseMipLevel, descriptor->mipLevelCount}}) { | |
| } | |
| TextureViewBase::TextureViewBase(DeviceBase* device, ObjectBase::ErrorTag tag) | |
| : ObjectBase(device, tag), mFormat(kUnusedFormat) { | |
| } | |
| // static | |
| TextureViewBase* TextureViewBase::MakeError(DeviceBase* device) { | |
| return new TextureViewBase(device, ObjectBase::kError); | |
| } | |
| const TextureBase* TextureViewBase::GetTexture() const { | |
| ASSERT(!IsError()); | |
| return mTexture.Get(); | |
| } | |
| TextureBase* TextureViewBase::GetTexture() { | |
| ASSERT(!IsError()); | |
| return mTexture.Get(); | |
| } | |
| Aspect TextureViewBase::GetAspects() const { | |
| ASSERT(!IsError()); | |
| return mRange.aspects; | |
| } | |
| const Format& TextureViewBase::GetFormat() const { | |
| ASSERT(!IsError()); | |
| return mFormat; | |
| } | |
| wgpu::TextureViewDimension TextureViewBase::GetDimension() const { | |
| ASSERT(!IsError()); | |
| return mDimension; | |
| } | |
| uint32_t TextureViewBase::GetBaseMipLevel() const { | |
| ASSERT(!IsError()); | |
| return mRange.baseMipLevel; | |
| } | |
| uint32_t TextureViewBase::GetLevelCount() const { | |
| ASSERT(!IsError()); | |
| return mRange.levelCount; | |
| } | |
| uint32_t TextureViewBase::GetBaseArrayLayer() const { | |
| ASSERT(!IsError()); | |
| return mRange.baseArrayLayer; | |
| } | |
| uint32_t TextureViewBase::GetLayerCount() const { | |
| ASSERT(!IsError()); | |
| return mRange.layerCount; | |
| } | |
| const SubresourceRange& TextureViewBase::GetSubresourceRange() const { | |
| ASSERT(!IsError()); | |
| return mRange; | |
| } | |
| } // namespace dawn_native |