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// 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/Adapter.h"
#include "dawn_native/ChainUtils_autogen.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,
wgpu::TextureUsage usage,
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 (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,
wgpu::TextureUsage usage,
const Format* format) {
DAWN_TRY(dawn_native::ValidateTextureUsage(usage));
constexpr wgpu::TextureUsage kValidCompressedUsages = wgpu::TextureUsage::Sampled |
wgpu::TextureUsage::CopySrc |
wgpu::TextureUsage::CopyDst;
if (format->isCompressed && !IsSubset(usage, kValidCompressedUsages)) {
return DAWN_VALIDATION_ERROR(
"Compressed texture format is incompatible with the texture usage");
}
if (!format->isRenderable && (usage & wgpu::TextureUsage::RenderAttachment)) {
return DAWN_VALIDATION_ERROR(
"Non-renderable format used with RenderAttachment usage");
}
if (!format->supportsStorageUsage && (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(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) {
DAWN_TRY(ValidateSingleSType(descriptor->nextInChain,
wgpu::SType::DawnTextureInternalUsageDescriptor));
const DawnTextureInternalUsageDescriptor* internalUsageDesc = nullptr;
FindInChain(descriptor->nextInChain, &internalUsageDesc);
if (descriptor->dimension == wgpu::TextureDimension::e1D) {
return DAWN_VALIDATION_ERROR("1D textures aren't supported (yet).");
}
if (internalUsageDesc != nullptr &&
!device->IsExtensionEnabled(Extension::DawnInternalUsages)) {
return DAWN_VALIDATION_ERROR("The dawn-internal-usages feature is not enabled");
}
const Format* format;
DAWN_TRY_ASSIGN(format, device->GetInternalFormat(descriptor->format));
wgpu::TextureUsage usage = descriptor->usage;
if (internalUsageDesc != nullptr) {
usage |= internalUsageDesc->internalUsage;
}
DAWN_TRY(ValidateTextureUsage(descriptor, usage, format));
DAWN_TRY(ValidateTextureDimension(descriptor->dimension));
DAWN_TRY(ValidateSampleCount(descriptor, usage, 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");
}
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));
if (device->IsToggleEnabled(Toggle::DisallowUnsafeAPIs) && format->HasStencil() &&
descriptor->mipLevelCount > 1 &&
device->GetAdapter()->GetBackendType() == wgpu::BackendType::Metal) {
// TODO(crbug.com/dawn/838): Implement a workaround for this issue.
// Readbacks from the non-zero mip of a stencil texture may contain
// garbage data.
return DAWN_VALIDATION_ERROR(
"crbug.com/dawn/838: Stencil textures with more than one mip level are "
"disabled on Metal.");
}
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());
DAWN_TRY(ValidateTextureViewDimension(descriptor->dimension));
if (descriptor->dimension == wgpu::TextureViewDimension::e1D) {
return DAWN_VALIDATION_ERROR("1D texture views aren't supported (yet).");
}
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:
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) {
switch (desc.dimension) {
case wgpu::TextureViewDimension::e1D:
case wgpu::TextureViewDimension::e2D:
case wgpu::TextureViewDimension::e3D:
desc.arrayLayerCount = 1;
break;
case wgpu::TextureViewDimension::Cube:
desc.arrayLayerCount = 6;
break;
case wgpu::TextureViewDimension::e2DArray:
case wgpu::TextureViewDimension::CubeArray:
desc.arrayLayerCount = texture->GetArrayLayers() - desc.baseArrayLayer;
break;
default:
// We don't put UNREACHABLE() here because we validate enums only after this
// function sets default values. Otherwise, the UNREACHABLE() will be hit.
break;
}
}
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),
mInternalUsage(mUsage),
mState(state) {
uint32_t subresourceCount =
mMipLevelCount * GetArrayLayers() * GetAspectCount(mFormat.aspects);
mIsSubresourceContentInitializedAtIndex = std::vector<bool>(subresourceCount, false);
const DawnTextureInternalUsageDescriptor* internalUsageDesc = nullptr;
FindInChain(descriptor->nextInChain, &internalUsageDesc);
if (internalUsageDesc != nullptr) {
mInternalUsage |= internalUsageDesc->internalUsage;
}
// 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 (mInternalUsage & wgpu::TextureUsage::Storage) {
mInternalUsage |= 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;
}
wgpu::TextureUsage TextureBase::GetInternalUsage() const {
ASSERT(!IsError());
return mInternalUsage;
}
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 && level != 0) {
// If |level| is non-zero, then each dimension of |extent| is at most half of
// the max texture dimension. Computations here which add the block width/height
// to the extent cannot overflow.
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);
ASSERT(origin.x <= virtualSizeAtLevel.width);
ASSERT(origin.y <= virtualSizeAtLevel.height);
uint32_t clampedCopyExtentWidth = (extent.width > virtualSizeAtLevel.width - origin.x)
? (virtualSizeAtLevel.width - origin.x)
: extent.width;
uint32_t clampedCopyExtentHeight = (extent.height > virtualSizeAtLevel.height - origin.y)
? (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