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// 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/CommandEncoder.h"
#include "common/BitSetIterator.h"
#include "common/Math.h"
#include "dawn_native/BindGroup.h"
#include "dawn_native/Buffer.h"
#include "dawn_native/CommandBuffer.h"
#include "dawn_native/CommandBufferStateTracker.h"
#include "dawn_native/CommandValidation.h"
#include "dawn_native/Commands.h"
#include "dawn_native/ComputePassEncoder.h"
#include "dawn_native/Device.h"
#include "dawn_native/ErrorData.h"
#include "dawn_native/ObjectType_autogen.h"
#include "dawn_native/QueryHelper.h"
#include "dawn_native/QuerySet.h"
#include "dawn_native/Queue.h"
#include "dawn_native/RenderPassEncoder.h"
#include "dawn_native/RenderPipeline.h"
#include "dawn_native/ValidationUtils_autogen.h"
#include "dawn_platform/DawnPlatform.h"
#include "dawn_platform/tracing/TraceEvent.h"
#include <cmath>
#include <map>
namespace dawn_native {
namespace {
MaybeError ValidateB2BCopyAlignment(uint64_t dataSize,
uint64_t srcOffset,
uint64_t dstOffset) {
// Copy size must be a multiple of 4 bytes on macOS.
DAWN_INVALID_IF(dataSize % 4 != 0, "Copy size (%u) is not a multiple of 4.", dataSize);
// SourceOffset and destinationOffset must be multiples of 4 bytes on macOS.
DAWN_INVALID_IF(
srcOffset % 4 != 0 || dstOffset % 4 != 0,
"Source offset (%u) or destination offset (%u) is not a multiple of 4 bytes,",
srcOffset, dstOffset);
return {};
}
MaybeError ValidateTextureSampleCountInBufferCopyCommands(const TextureBase* texture) {
DAWN_INVALID_IF(texture->GetSampleCount() > 1,
"%s sample count (%u) is not 1 when copying to or from a buffer.",
texture, texture->GetSampleCount());
return {};
}
MaybeError ValidateLinearTextureCopyOffset(const TextureDataLayout& layout,
const TexelBlockInfo& blockInfo,
const bool hasDepthOrStencil) {
if (hasDepthOrStencil) {
// For depth-stencil texture, buffer offset must be a multiple of 4.
DAWN_INVALID_IF(layout.offset % 4 != 0,
"Offset (%u) is not a multiple of 4 for depth/stencil texture.",
layout.offset);
} else {
DAWN_INVALID_IF(layout.offset % blockInfo.byteSize != 0,
"Offset (%u) is not a multiple of the texel block byte size (%u).",
layout.offset, blockInfo.byteSize);
}
return {};
}
MaybeError ValidateTextureDepthStencilToBufferCopyRestrictions(
const ImageCopyTexture& src) {
Aspect aspectUsed;
DAWN_TRY_ASSIGN(aspectUsed, SingleAspectUsedByImageCopyTexture(src));
if (aspectUsed == Aspect::Depth) {
switch (src.texture->GetFormat().format) {
case wgpu::TextureFormat::Depth24Plus:
case wgpu::TextureFormat::Depth24PlusStencil8:
return DAWN_FORMAT_VALIDATION_ERROR(
"The depth aspect of %s format %s cannot be selected in a texture to "
"buffer copy.",
src.texture, src.texture->GetFormat().format);
case wgpu::TextureFormat::Depth32Float:
case wgpu::TextureFormat::Depth16Unorm:
break;
default:
UNREACHABLE();
}
}
return {};
}
MaybeError ValidateAttachmentArrayLayersAndLevelCount(const TextureViewBase* attachment) {
// Currently we do not support layered rendering.
DAWN_INVALID_IF(attachment->GetLayerCount() > 1,
"The layer count (%u) of %s used as attachment is greater than 1.",
attachment->GetLayerCount(), attachment);
DAWN_INVALID_IF(attachment->GetLevelCount() > 1,
"The mip level count (%u) of %s used as attachment is greater than 1.",
attachment->GetLevelCount(), attachment);
return {};
}
MaybeError ValidateOrSetAttachmentSize(const TextureViewBase* attachment,
uint32_t* width,
uint32_t* height) {
const Extent3D& attachmentSize =
attachment->GetTexture()->GetMipLevelVirtualSize(attachment->GetBaseMipLevel());
if (*width == 0) {
DAWN_ASSERT(*height == 0);
*width = attachmentSize.width;
*height = attachmentSize.height;
DAWN_ASSERT(*width != 0 && *height != 0);
} else {
DAWN_INVALID_IF(
*width != attachmentSize.width || *height != attachmentSize.height,
"Attachment %s size (width: %u, height: %u) does not match the size of the "
"other attachments (width: %u, height: %u).",
attachment, attachmentSize.width, attachmentSize.height, *width, *height);
}
return {};
}
MaybeError ValidateOrSetColorAttachmentSampleCount(const TextureViewBase* colorAttachment,
uint32_t* sampleCount) {
if (*sampleCount == 0) {
*sampleCount = colorAttachment->GetTexture()->GetSampleCount();
DAWN_ASSERT(*sampleCount != 0);
} else {
DAWN_INVALID_IF(
*sampleCount != colorAttachment->GetTexture()->GetSampleCount(),
"Color attachment %s sample count (%u) does not match the sample count of the "
"other attachments (%u).",
colorAttachment, colorAttachment->GetTexture()->GetSampleCount(), *sampleCount);
}
return {};
}
MaybeError ValidateResolveTarget(const DeviceBase* device,
const RenderPassColorAttachment& colorAttachment) {
if (colorAttachment.resolveTarget == nullptr) {
return {};
}
const TextureViewBase* resolveTarget = colorAttachment.resolveTarget;
const TextureViewBase* attachment = colorAttachment.view;
DAWN_TRY(device->ValidateObject(colorAttachment.resolveTarget));
DAWN_TRY(ValidateCanUseAs(colorAttachment.resolveTarget->GetTexture(),
wgpu::TextureUsage::RenderAttachment));
DAWN_INVALID_IF(
!attachment->GetTexture()->IsMultisampledTexture(),
"Cannot set %s as a resolve target when the color attachment %s has a sample "
"count of 1.",
resolveTarget, attachment);
DAWN_INVALID_IF(resolveTarget->GetTexture()->IsMultisampledTexture(),
"Cannot use %s as resolve target. Sample count (%u) is greater than 1.",
resolveTarget, resolveTarget->GetTexture()->GetSampleCount());
DAWN_INVALID_IF(resolveTarget->GetLayerCount() > 1,
"The resolve target %s array layer count (%u) is not 1.", resolveTarget,
resolveTarget->GetLayerCount());
DAWN_INVALID_IF(resolveTarget->GetLevelCount() > 1,
"The resolve target %s mip level count (%u) is not 1.", resolveTarget,
resolveTarget->GetLevelCount());
const Extent3D& colorTextureSize =
attachment->GetTexture()->GetMipLevelVirtualSize(attachment->GetBaseMipLevel());
const Extent3D& resolveTextureSize =
resolveTarget->GetTexture()->GetMipLevelVirtualSize(
resolveTarget->GetBaseMipLevel());
DAWN_INVALID_IF(
colorTextureSize.width != resolveTextureSize.width ||
colorTextureSize.height != resolveTextureSize.height,
"The Resolve target %s size (width: %u, height: %u) does not match the color "
"attachment %s size (width: %u, height: %u).",
resolveTarget, resolveTextureSize.width, resolveTextureSize.height, attachment,
colorTextureSize.width, colorTextureSize.height);
wgpu::TextureFormat resolveTargetFormat = resolveTarget->GetFormat().format;
DAWN_INVALID_IF(
resolveTargetFormat != attachment->GetFormat().format,
"The resolve target %s format (%s) does not match the color attachment %s format "
"(%s).",
resolveTarget, resolveTargetFormat, attachment, attachment->GetFormat().format);
return {};
}
MaybeError ValidateRenderPassColorAttachment(
DeviceBase* device,
const RenderPassColorAttachment& colorAttachment,
uint32_t* width,
uint32_t* height,
uint32_t* sampleCount) {
TextureViewBase* attachment = colorAttachment.view;
DAWN_TRY(device->ValidateObject(attachment));
DAWN_TRY(
ValidateCanUseAs(attachment->GetTexture(), wgpu::TextureUsage::RenderAttachment));
DAWN_INVALID_IF(!(attachment->GetAspects() & Aspect::Color) ||
!attachment->GetFormat().isRenderable,
"The color attachment %s format (%s) is not color renderable.",
attachment, attachment->GetFormat().format);
DAWN_TRY(ValidateLoadOp(colorAttachment.loadOp));
DAWN_TRY(ValidateStoreOp(colorAttachment.storeOp));
if (colorAttachment.loadOp == wgpu::LoadOp::Clear) {
DAWN_INVALID_IF(std::isnan(colorAttachment.clearColor.r) ||
std::isnan(colorAttachment.clearColor.g) ||
std::isnan(colorAttachment.clearColor.b) ||
std::isnan(colorAttachment.clearColor.a),
"Color clear value (%s) contain a NaN.",
&colorAttachment.clearColor);
}
DAWN_TRY(ValidateOrSetColorAttachmentSampleCount(attachment, sampleCount));
DAWN_TRY(ValidateResolveTarget(device, colorAttachment));
DAWN_TRY(ValidateAttachmentArrayLayersAndLevelCount(attachment));
DAWN_TRY(ValidateOrSetAttachmentSize(attachment, width, height));
return {};
}
MaybeError ValidateRenderPassDepthStencilAttachment(
DeviceBase* device,
const RenderPassDepthStencilAttachment* depthStencilAttachment,
uint32_t* width,
uint32_t* height,
uint32_t* sampleCount) {
DAWN_ASSERT(depthStencilAttachment != nullptr);
TextureViewBase* attachment = depthStencilAttachment->view;
DAWN_TRY(device->ValidateObject(attachment));
DAWN_TRY(
ValidateCanUseAs(attachment->GetTexture(), wgpu::TextureUsage::RenderAttachment));
const Format& format = attachment->GetFormat();
DAWN_INVALID_IF(
!format.HasDepthOrStencil(),
"The depth stencil attachment %s format (%s) is not a depth stencil format.",
attachment, format.format);
DAWN_INVALID_IF(!format.isRenderable,
"The depth stencil attachment %s format (%s) is not renderable.",
attachment, format.format);
DAWN_INVALID_IF(attachment->GetAspects() != format.aspects,
"The depth stencil attachment %s must encompass all aspects.",
attachment);
DAWN_TRY(ValidateLoadOp(depthStencilAttachment->depthLoadOp));
DAWN_TRY(ValidateLoadOp(depthStencilAttachment->stencilLoadOp));
DAWN_TRY(ValidateStoreOp(depthStencilAttachment->depthStoreOp));
DAWN_TRY(ValidateStoreOp(depthStencilAttachment->stencilStoreOp));
DAWN_INVALID_IF(
attachment->GetAspects() == (Aspect::Depth | Aspect::Stencil) &&
depthStencilAttachment->depthReadOnly !=
depthStencilAttachment->stencilReadOnly,
"depthReadOnly (%u) and stencilReadOnly (%u) must be the same when texture aspect "
"is 'all'.",
depthStencilAttachment->depthReadOnly, depthStencilAttachment->stencilReadOnly);
DAWN_INVALID_IF(
depthStencilAttachment->depthReadOnly &&
(depthStencilAttachment->depthLoadOp != wgpu::LoadOp::Load ||
depthStencilAttachment->depthStoreOp != wgpu::StoreOp::Store),
"depthLoadOp (%s) is not %s or depthStoreOp (%s) is not %s when depthReadOnly "
"is true.",
depthStencilAttachment->depthLoadOp, wgpu::LoadOp::Load,
depthStencilAttachment->depthStoreOp, wgpu::StoreOp::Store);
DAWN_INVALID_IF(depthStencilAttachment->stencilReadOnly &&
(depthStencilAttachment->stencilLoadOp != wgpu::LoadOp::Load ||
depthStencilAttachment->stencilStoreOp != wgpu::StoreOp::Store),
"stencilLoadOp (%s) is not %s or stencilStoreOp (%s) is not %s when "
"stencilReadOnly is true.",
depthStencilAttachment->stencilLoadOp, wgpu::LoadOp::Load,
depthStencilAttachment->stencilStoreOp, wgpu::StoreOp::Store);
DAWN_INVALID_IF(depthStencilAttachment->depthLoadOp == wgpu::LoadOp::Clear &&
std::isnan(depthStencilAttachment->clearDepth),
"Depth clear value is NaN.");
// *sampleCount == 0 must only happen when there is no color attachment. In that case we
// do not need to validate the sample count of the depth stencil attachment.
const uint32_t depthStencilSampleCount = attachment->GetTexture()->GetSampleCount();
if (*sampleCount != 0) {
DAWN_INVALID_IF(
depthStencilSampleCount != *sampleCount,
"The depth stencil attachment %s sample count (%u) does not match the sample "
"count of the other attachments (%u).",
attachment, depthStencilSampleCount, *sampleCount);
} else {
*sampleCount = depthStencilSampleCount;
}
DAWN_TRY(ValidateAttachmentArrayLayersAndLevelCount(attachment));
DAWN_TRY(ValidateOrSetAttachmentSize(attachment, width, height));
return {};
}
MaybeError ValidateRenderPassDescriptor(DeviceBase* device,
const RenderPassDescriptor* descriptor,
uint32_t* width,
uint32_t* height,
uint32_t* sampleCount) {
DAWN_INVALID_IF(
descriptor->colorAttachmentCount > kMaxColorAttachments,
"Color attachment count (%u) exceeds the maximum number of color attachments (%u).",
descriptor->colorAttachmentCount, kMaxColorAttachments);
for (uint32_t i = 0; i < descriptor->colorAttachmentCount; ++i) {
DAWN_TRY_CONTEXT(
ValidateRenderPassColorAttachment(device, descriptor->colorAttachments[i],
width, height, sampleCount),
"validating colorAttachments[%u].", i);
}
if (descriptor->depthStencilAttachment != nullptr) {
DAWN_TRY_CONTEXT(
ValidateRenderPassDepthStencilAttachment(
device, descriptor->depthStencilAttachment, width, height, sampleCount),
"validating depthStencilAttachment.");
}
if (descriptor->occlusionQuerySet != nullptr) {
DAWN_TRY(device->ValidateObject(descriptor->occlusionQuerySet));
DAWN_INVALID_IF(
descriptor->occlusionQuerySet->GetQueryType() != wgpu::QueryType::Occlusion,
"The occlusionQuerySet %s type (%s) is not %s.", descriptor->occlusionQuerySet,
descriptor->occlusionQuerySet->GetQueryType(), wgpu::QueryType::Occlusion);
}
DAWN_INVALID_IF(descriptor->colorAttachmentCount == 0 &&
descriptor->depthStencilAttachment == nullptr,
"Render pass has no attachments.");
return {};
}
MaybeError ValidateComputePassDescriptor(const DeviceBase* device,
const ComputePassDescriptor* descriptor) {
return {};
}
MaybeError ValidateQuerySetResolve(const QuerySetBase* querySet,
uint32_t firstQuery,
uint32_t queryCount,
const BufferBase* destination,
uint64_t destinationOffset) {
DAWN_INVALID_IF(firstQuery >= querySet->GetQueryCount(),
"First query (%u) exceeds the number of queries (%u) in %s.",
firstQuery, querySet->GetQueryCount(), querySet);
DAWN_INVALID_IF(
queryCount > querySet->GetQueryCount() - firstQuery,
"The query range (firstQuery: %u, queryCount: %u) exceeds the number of queries "
"(%u) in %s.",
firstQuery, queryCount, querySet->GetQueryCount(), querySet);
DAWN_INVALID_IF(destinationOffset % 256 != 0,
"The destination buffer %s offset (%u) is not a multiple of 256.",
destination, destinationOffset);
uint64_t bufferSize = destination->GetSize();
// The destination buffer must have enough storage, from destination offset, to contain
// the result of resolved queries
bool fitsInBuffer = destinationOffset <= bufferSize &&
(static_cast<uint64_t>(queryCount) * sizeof(uint64_t) <=
(bufferSize - destinationOffset));
DAWN_INVALID_IF(
!fitsInBuffer,
"The resolved %s data size (%u) would not fit in %s with size %u at the offset %u.",
querySet, static_cast<uint64_t>(queryCount) * sizeof(uint64_t), destination,
bufferSize, destinationOffset);
return {};
}
MaybeError EncodeTimestampsToNanosecondsConversion(CommandEncoder* encoder,
QuerySetBase* querySet,
uint32_t firstQuery,
uint32_t queryCount,
BufferBase* destination,
uint64_t destinationOffset) {
DeviceBase* device = encoder->GetDevice();
// The availability got from query set is a reference to vector<bool>, need to covert
// bool to uint32_t due to a user input in pipeline must not contain a bool type in
// WGSL.
std::vector<uint32_t> availability{querySet->GetQueryAvailability().begin(),
querySet->GetQueryAvailability().end()};
// Timestamp availability storage buffer
BufferDescriptor availabilityDesc = {};
availabilityDesc.usage = wgpu::BufferUsage::Storage | wgpu::BufferUsage::CopyDst;
availabilityDesc.size = querySet->GetQueryCount() * sizeof(uint32_t);
Ref<BufferBase> availabilityBuffer;
DAWN_TRY_ASSIGN(availabilityBuffer, device->CreateBuffer(&availabilityDesc));
DAWN_TRY(device->GetQueue()->WriteBuffer(availabilityBuffer.Get(), 0,
availability.data(),
availability.size() * sizeof(uint32_t)));
// Timestamp params uniform buffer
TimestampParams params = {firstQuery, queryCount,
static_cast<uint32_t>(destinationOffset),
device->GetTimestampPeriodInNS()};
BufferDescriptor parmsDesc = {};
parmsDesc.usage = wgpu::BufferUsage::Uniform | wgpu::BufferUsage::CopyDst;
parmsDesc.size = sizeof(params);
Ref<BufferBase> paramsBuffer;
DAWN_TRY_ASSIGN(paramsBuffer, device->CreateBuffer(&parmsDesc));
DAWN_TRY(
device->GetQueue()->WriteBuffer(paramsBuffer.Get(), 0, &params, sizeof(params)));
return EncodeConvertTimestampsToNanoseconds(
encoder, destination, availabilityBuffer.Get(), paramsBuffer.Get());
}
bool IsReadOnlyDepthStencilAttachment(
const RenderPassDepthStencilAttachment* depthStencilAttachment) {
DAWN_ASSERT(depthStencilAttachment != nullptr);
Aspect aspects = depthStencilAttachment->view->GetAspects();
DAWN_ASSERT(IsSubset(aspects, Aspect::Depth | Aspect::Stencil));
if ((aspects & Aspect::Depth) && !depthStencilAttachment->depthReadOnly) {
return false;
}
if (aspects & Aspect::Stencil && !depthStencilAttachment->stencilReadOnly) {
return false;
}
return true;
}
} // namespace
CommandEncoder::CommandEncoder(DeviceBase* device, const CommandEncoderDescriptor*)
: ApiObjectBase(device, kLabelNotImplemented), mEncodingContext(device, this) {
TrackInDevice();
}
ObjectType CommandEncoder::GetType() const {
return ObjectType::CommandEncoder;
}
void CommandEncoder::DestroyImpl() {
mEncodingContext.Destroy();
}
CommandBufferResourceUsage CommandEncoder::AcquireResourceUsages() {
return CommandBufferResourceUsage{
mEncodingContext.AcquireRenderPassUsages(), mEncodingContext.AcquireComputePassUsages(),
std::move(mTopLevelBuffers), std::move(mTopLevelTextures), std::move(mUsedQuerySets)};
}
CommandIterator CommandEncoder::AcquireCommands() {
return mEncodingContext.AcquireCommands();
}
void CommandEncoder::TrackUsedQuerySet(QuerySetBase* querySet) {
mUsedQuerySets.insert(querySet);
}
void CommandEncoder::TrackQueryAvailability(QuerySetBase* querySet, uint32_t queryIndex) {
DAWN_ASSERT(querySet != nullptr);
if (GetDevice()->IsValidationEnabled()) {
TrackUsedQuerySet(querySet);
}
// Set the query at queryIndex to available for resolving in query set.
querySet->SetQueryAvailability(queryIndex, true);
}
// Implementation of the API's command recording methods
ComputePassEncoder* CommandEncoder::APIBeginComputePass(
const ComputePassDescriptor* descriptor) {
DeviceBase* device = GetDevice();
bool success = mEncodingContext.TryEncode(
this,
[&](CommandAllocator* allocator) -> MaybeError {
DAWN_TRY(ValidateComputePassDescriptor(device, descriptor));
allocator->Allocate<BeginComputePassCmd>(Command::BeginComputePass);
return {};
},
"encoding %s.BeginComputePass(%s).", this, descriptor);
if (success) {
ComputePassEncoder* passEncoder =
new ComputePassEncoder(device, this, &mEncodingContext);
mEncodingContext.EnterPass(passEncoder);
return passEncoder;
}
return ComputePassEncoder::MakeError(device, this, &mEncodingContext);
}
RenderPassEncoder* CommandEncoder::APIBeginRenderPass(const RenderPassDescriptor* descriptor) {
DeviceBase* device = GetDevice();
RenderPassResourceUsageTracker usageTracker;
uint32_t width = 0;
uint32_t height = 0;
bool depthReadOnly = false;
bool stencilReadOnly = false;
Ref<AttachmentState> attachmentState;
bool success = mEncodingContext.TryEncode(
this,
[&](CommandAllocator* allocator) -> MaybeError {
uint32_t sampleCount = 0;
DAWN_TRY(ValidateRenderPassDescriptor(device, descriptor, &width, &height,
&sampleCount));
ASSERT(width > 0 && height > 0 && sampleCount > 0);
mEncodingContext.WillBeginRenderPass();
BeginRenderPassCmd* cmd =
allocator->Allocate<BeginRenderPassCmd>(Command::BeginRenderPass);
cmd->attachmentState = device->GetOrCreateAttachmentState(descriptor);
attachmentState = cmd->attachmentState;
for (ColorAttachmentIndex index :
IterateBitSet(cmd->attachmentState->GetColorAttachmentsMask())) {
uint8_t i = static_cast<uint8_t>(index);
TextureViewBase* view = descriptor->colorAttachments[i].view;
TextureViewBase* resolveTarget = descriptor->colorAttachments[i].resolveTarget;
cmd->colorAttachments[index].view = view;
cmd->colorAttachments[index].resolveTarget = resolveTarget;
cmd->colorAttachments[index].loadOp = descriptor->colorAttachments[i].loadOp;
cmd->colorAttachments[index].storeOp = descriptor->colorAttachments[i].storeOp;
cmd->colorAttachments[index].clearColor =
descriptor->colorAttachments[i].clearColor;
usageTracker.TextureViewUsedAs(view, wgpu::TextureUsage::RenderAttachment);
if (resolveTarget != nullptr) {
usageTracker.TextureViewUsedAs(resolveTarget,
wgpu::TextureUsage::RenderAttachment);
}
}
if (cmd->attachmentState->HasDepthStencilAttachment()) {
TextureViewBase* view = descriptor->depthStencilAttachment->view;
cmd->depthStencilAttachment.view = view;
cmd->depthStencilAttachment.clearDepth =
descriptor->depthStencilAttachment->clearDepth;
cmd->depthStencilAttachment.clearStencil =
descriptor->depthStencilAttachment->clearStencil;
cmd->depthStencilAttachment.depthLoadOp =
descriptor->depthStencilAttachment->depthLoadOp;
cmd->depthStencilAttachment.depthStoreOp =
descriptor->depthStencilAttachment->depthStoreOp;
cmd->depthStencilAttachment.stencilLoadOp =
descriptor->depthStencilAttachment->stencilLoadOp;
cmd->depthStencilAttachment.stencilStoreOp =
descriptor->depthStencilAttachment->stencilStoreOp;
cmd->depthStencilAttachment.depthReadOnly =
descriptor->depthStencilAttachment->depthReadOnly;
cmd->depthStencilAttachment.stencilReadOnly =
descriptor->depthStencilAttachment->stencilReadOnly;
if (IsReadOnlyDepthStencilAttachment(descriptor->depthStencilAttachment)) {
// TODO(dawn:485): Readonly depth/stencil attachment is not fully
// implemented. Disallow it as unsafe until the implementaion is completed.
DAWN_INVALID_IF(
device->IsToggleEnabled(Toggle::DisallowUnsafeAPIs),
"Readonly depth/stencil attachment is disallowed because it's not "
"fully implemented");
usageTracker.TextureViewUsedAs(view, kReadOnlyRenderAttachment);
} else {
usageTracker.TextureViewUsedAs(view, wgpu::TextureUsage::RenderAttachment);
}
depthReadOnly = descriptor->depthStencilAttachment->depthReadOnly;
stencilReadOnly = descriptor->depthStencilAttachment->stencilReadOnly;
}
cmd->width = width;
cmd->height = height;
cmd->occlusionQuerySet = descriptor->occlusionQuerySet;
return {};
},
"encoding %s.BeginRenderPass(%s).", this, descriptor);
if (success) {
RenderPassEncoder* passEncoder =
new RenderPassEncoder(device, this, &mEncodingContext, std::move(usageTracker),
std::move(attachmentState), descriptor->occlusionQuerySet,
width, height, depthReadOnly, stencilReadOnly);
mEncodingContext.EnterPass(passEncoder);
return passEncoder;
}
return RenderPassEncoder::MakeError(device, this, &mEncodingContext);
}
void CommandEncoder::APICopyBufferToBuffer(BufferBase* source,
uint64_t sourceOffset,
BufferBase* destination,
uint64_t destinationOffset,
uint64_t size) {
mEncodingContext.TryEncode(
this,
[&](CommandAllocator* allocator) -> MaybeError {
if (GetDevice()->IsValidationEnabled()) {
DAWN_TRY(GetDevice()->ValidateObject(source));
DAWN_TRY(GetDevice()->ValidateObject(destination));
DAWN_INVALID_IF(source == destination,
"Source and destination are the same buffer (%s).", source);
DAWN_TRY_CONTEXT(ValidateCopySizeFitsInBuffer(source, sourceOffset, size),
"validating source %s copy size.", source);
DAWN_TRY_CONTEXT(
ValidateCopySizeFitsInBuffer(destination, destinationOffset, size),
"validating destination %s copy size.", destination);
DAWN_TRY(ValidateB2BCopyAlignment(size, sourceOffset, destinationOffset));
DAWN_TRY_CONTEXT(ValidateCanUseAs(source, wgpu::BufferUsage::CopySrc),
"validating source %s usage.", source);
DAWN_TRY_CONTEXT(ValidateCanUseAs(destination, wgpu::BufferUsage::CopyDst),
"validating destination %s usage.", destination);
mTopLevelBuffers.insert(source);
mTopLevelBuffers.insert(destination);
}
CopyBufferToBufferCmd* copy =
allocator->Allocate<CopyBufferToBufferCmd>(Command::CopyBufferToBuffer);
copy->source = source;
copy->sourceOffset = sourceOffset;
copy->destination = destination;
copy->destinationOffset = destinationOffset;
copy->size = size;
return {};
},
"encoding %s.CopyBufferToBuffer(%s, %u, %s, %u, %u).", this, source, sourceOffset,
destination, destinationOffset, size);
}
void CommandEncoder::APICopyBufferToTexture(const ImageCopyBuffer* source,
const ImageCopyTexture* destination,
const Extent3D* copySize) {
mEncodingContext.TryEncode(
this,
[&](CommandAllocator* allocator) -> MaybeError {
if (GetDevice()->IsValidationEnabled()) {
DAWN_TRY(ValidateImageCopyBuffer(GetDevice(), *source));
DAWN_TRY_CONTEXT(ValidateCanUseAs(source->buffer, wgpu::BufferUsage::CopySrc),
"validating source %s usage.", source->buffer);
DAWN_TRY(ValidateImageCopyTexture(GetDevice(), *destination, *copySize));
DAWN_TRY_CONTEXT(
ValidateCanUseAs(destination->texture, wgpu::TextureUsage::CopyDst),
"validating destination %s usage.", destination->texture);
DAWN_TRY(ValidateTextureSampleCountInBufferCopyCommands(destination->texture));
DAWN_TRY(ValidateLinearToDepthStencilCopyRestrictions(*destination));
// We validate texture copy range before validating linear texture data,
// because in the latter we divide copyExtent.width by blockWidth and
// copyExtent.height by blockHeight while the divisibility conditions are
// checked in validating texture copy range.
DAWN_TRY(ValidateTextureCopyRange(GetDevice(), *destination, *copySize));
}
const TexelBlockInfo& blockInfo =
destination->texture->GetFormat().GetAspectInfo(destination->aspect).block;
if (GetDevice()->IsValidationEnabled()) {
DAWN_TRY(ValidateLinearTextureCopyOffset(
source->layout, blockInfo,
destination->texture->GetFormat().HasDepthOrStencil()));
DAWN_TRY(ValidateLinearTextureData(source->layout, source->buffer->GetSize(),
blockInfo, *copySize));
mTopLevelBuffers.insert(source->buffer);
mTopLevelTextures.insert(destination->texture);
}
TextureDataLayout srcLayout = source->layout;
ApplyDefaultTextureDataLayoutOptions(&srcLayout, blockInfo, *copySize);
CopyBufferToTextureCmd* copy =
allocator->Allocate<CopyBufferToTextureCmd>(Command::CopyBufferToTexture);
copy->source.buffer = source->buffer;
copy->source.offset = srcLayout.offset;
copy->source.bytesPerRow = srcLayout.bytesPerRow;
copy->source.rowsPerImage = srcLayout.rowsPerImage;
copy->destination.texture = destination->texture;
copy->destination.origin = destination->origin;
copy->destination.mipLevel = destination->mipLevel;
copy->destination.aspect =
ConvertAspect(destination->texture->GetFormat(), destination->aspect);
copy->copySize = *copySize;
return {};
},
"encoding %s.CopyBufferToTexture(%s, %s, %s).", this, source->buffer,
destination->texture, copySize);
}
void CommandEncoder::APICopyTextureToBuffer(const ImageCopyTexture* source,
const ImageCopyBuffer* destination,
const Extent3D* copySize) {
mEncodingContext.TryEncode(
this,
[&](CommandAllocator* allocator) -> MaybeError {
if (GetDevice()->IsValidationEnabled()) {
DAWN_TRY(ValidateImageCopyTexture(GetDevice(), *source, *copySize));
DAWN_TRY_CONTEXT(ValidateCanUseAs(source->texture, wgpu::TextureUsage::CopySrc),
"validating source %s usage.", source->texture);
DAWN_TRY(ValidateTextureSampleCountInBufferCopyCommands(source->texture));
DAWN_TRY(ValidateTextureDepthStencilToBufferCopyRestrictions(*source));
DAWN_TRY(ValidateImageCopyBuffer(GetDevice(), *destination));
DAWN_TRY_CONTEXT(
ValidateCanUseAs(destination->buffer, wgpu::BufferUsage::CopyDst),
"validating destination %s usage.", destination->buffer);
// We validate texture copy range before validating linear texture data,
// because in the latter we divide copyExtent.width by blockWidth and
// copyExtent.height by blockHeight while the divisibility conditions are
// checked in validating texture copy range.
DAWN_TRY(ValidateTextureCopyRange(GetDevice(), *source, *copySize));
}
const TexelBlockInfo& blockInfo =
source->texture->GetFormat().GetAspectInfo(source->aspect).block;
if (GetDevice()->IsValidationEnabled()) {
DAWN_TRY(ValidateLinearTextureCopyOffset(
destination->layout, blockInfo,
source->texture->GetFormat().HasDepthOrStencil()));
DAWN_TRY(ValidateLinearTextureData(
destination->layout, destination->buffer->GetSize(), blockInfo, *copySize));
mTopLevelTextures.insert(source->texture);
mTopLevelBuffers.insert(destination->buffer);
}
TextureDataLayout dstLayout = destination->layout;
ApplyDefaultTextureDataLayoutOptions(&dstLayout, blockInfo, *copySize);
CopyTextureToBufferCmd* copy =
allocator->Allocate<CopyTextureToBufferCmd>(Command::CopyTextureToBuffer);
copy->source.texture = source->texture;
copy->source.origin = source->origin;
copy->source.mipLevel = source->mipLevel;
copy->source.aspect = ConvertAspect(source->texture->GetFormat(), source->aspect);
copy->destination.buffer = destination->buffer;
copy->destination.offset = dstLayout.offset;
copy->destination.bytesPerRow = dstLayout.bytesPerRow;
copy->destination.rowsPerImage = dstLayout.rowsPerImage;
copy->copySize = *copySize;
return {};
},
"encoding %s.CopyTextureToBuffer(%s, %s, %s).", this, source->texture,
destination->buffer, copySize);
}
void CommandEncoder::APICopyTextureToTexture(const ImageCopyTexture* source,
const ImageCopyTexture* destination,
const Extent3D* copySize) {
APICopyTextureToTextureHelper<false>(source, destination, copySize);
}
void CommandEncoder::APICopyTextureToTextureInternal(const ImageCopyTexture* source,
const ImageCopyTexture* destination,
const Extent3D* copySize) {
APICopyTextureToTextureHelper<true>(source, destination, copySize);
}
template <bool Internal>
void CommandEncoder::APICopyTextureToTextureHelper(const ImageCopyTexture* source,
const ImageCopyTexture* destination,
const Extent3D* copySize) {
mEncodingContext.TryEncode(
this,
[&](CommandAllocator* allocator) -> MaybeError {
if (GetDevice()->IsValidationEnabled()) {
DAWN_TRY(GetDevice()->ValidateObject(source->texture));
DAWN_TRY(GetDevice()->ValidateObject(destination->texture));
DAWN_TRY_CONTEXT(ValidateImageCopyTexture(GetDevice(), *source, *copySize),
"validating source %s.", source->texture);
DAWN_TRY_CONTEXT(ValidateImageCopyTexture(GetDevice(), *destination, *copySize),
"validating destination %s.", destination->texture);
DAWN_TRY(
ValidateTextureToTextureCopyRestrictions(*source, *destination, *copySize));
DAWN_TRY_CONTEXT(ValidateTextureCopyRange(GetDevice(), *source, *copySize),
"validating source %s copy range.", source->texture);
DAWN_TRY_CONTEXT(ValidateTextureCopyRange(GetDevice(), *destination, *copySize),
"validating source %s copy range.", destination->texture);
// For internal usages (CopyToCopyInternal) we don't care if the user has added
// CopySrc as a usage for this texture, but we will always add it internally.
if (Internal) {
DAWN_TRY(
ValidateInternalCanUseAs(source->texture, wgpu::TextureUsage::CopySrc));
DAWN_TRY(ValidateInternalCanUseAs(destination->texture,
wgpu::TextureUsage::CopyDst));
} else {
DAWN_TRY(ValidateCanUseAs(source->texture, wgpu::TextureUsage::CopySrc));
DAWN_TRY(
ValidateCanUseAs(destination->texture, wgpu::TextureUsage::CopyDst));
}
mTopLevelTextures.insert(source->texture);
mTopLevelTextures.insert(destination->texture);
}
CopyTextureToTextureCmd* copy =
allocator->Allocate<CopyTextureToTextureCmd>(Command::CopyTextureToTexture);
copy->source.texture = source->texture;
copy->source.origin = source->origin;
copy->source.mipLevel = source->mipLevel;
copy->source.aspect = ConvertAspect(source->texture->GetFormat(), source->aspect);
copy->destination.texture = destination->texture;
copy->destination.origin = destination->origin;
copy->destination.mipLevel = destination->mipLevel;
copy->destination.aspect =
ConvertAspect(destination->texture->GetFormat(), destination->aspect);
copy->copySize = *copySize;
return {};
},
"encoding %s.CopyTextureToTexture(%s, %s, %s).", this, source->texture,
destination->texture, copySize);
}
void CommandEncoder::APIInjectValidationError(const char* message) {
if (mEncodingContext.CheckCurrentEncoder(this)) {
mEncodingContext.HandleError(DAWN_VALIDATION_ERROR(message));
}
}
void CommandEncoder::APIInsertDebugMarker(const char* groupLabel) {
mEncodingContext.TryEncode(
this,
[&](CommandAllocator* allocator) -> MaybeError {
InsertDebugMarkerCmd* cmd =
allocator->Allocate<InsertDebugMarkerCmd>(Command::InsertDebugMarker);
cmd->length = strlen(groupLabel);
char* label = allocator->AllocateData<char>(cmd->length + 1);
memcpy(label, groupLabel, cmd->length + 1);
return {};
},
"encoding %s.InsertDebugMarker(\"%s\").", this, groupLabel);
}
void CommandEncoder::APIPopDebugGroup() {
mEncodingContext.TryEncode(
this,
[&](CommandAllocator* allocator) -> MaybeError {
if (GetDevice()->IsValidationEnabled()) {
DAWN_INVALID_IF(
mDebugGroupStackSize == 0,
"PopDebugGroup called when no debug groups are currently pushed.");
}
allocator->Allocate<PopDebugGroupCmd>(Command::PopDebugGroup);
mDebugGroupStackSize--;
mEncodingContext.PopDebugGroupLabel();
return {};
},
"encoding %s.PopDebugGroup().", this);
}
void CommandEncoder::APIPushDebugGroup(const char* groupLabel) {
mEncodingContext.TryEncode(
this,
[&](CommandAllocator* allocator) -> MaybeError {
PushDebugGroupCmd* cmd =
allocator->Allocate<PushDebugGroupCmd>(Command::PushDebugGroup);
cmd->length = strlen(groupLabel);
char* label = allocator->AllocateData<char>(cmd->length + 1);
memcpy(label, groupLabel, cmd->length + 1);
mDebugGroupStackSize++;
mEncodingContext.PushDebugGroupLabel(groupLabel);
return {};
},
"encoding %s.PushDebugGroup(\"%s\").", this, groupLabel);
}
void CommandEncoder::APIResolveQuerySet(QuerySetBase* querySet,
uint32_t firstQuery,
uint32_t queryCount,
BufferBase* destination,
uint64_t destinationOffset) {
mEncodingContext.TryEncode(
this,
[&](CommandAllocator* allocator) -> MaybeError {
if (GetDevice()->IsValidationEnabled()) {
DAWN_TRY(GetDevice()->ValidateObject(querySet));
DAWN_TRY(GetDevice()->ValidateObject(destination));
DAWN_TRY(ValidateQuerySetResolve(querySet, firstQuery, queryCount, destination,
destinationOffset));
DAWN_TRY(ValidateCanUseAs(destination, wgpu::BufferUsage::QueryResolve));
TrackUsedQuerySet(querySet);
mTopLevelBuffers.insert(destination);
}
ResolveQuerySetCmd* cmd =
allocator->Allocate<ResolveQuerySetCmd>(Command::ResolveQuerySet);
cmd->querySet = querySet;
cmd->firstQuery = firstQuery;
cmd->queryCount = queryCount;
cmd->destination = destination;
cmd->destinationOffset = destinationOffset;
// Encode internal compute pipeline for timestamp query
if (querySet->GetQueryType() == wgpu::QueryType::Timestamp) {
DAWN_TRY(EncodeTimestampsToNanosecondsConversion(
this, querySet, firstQuery, queryCount, destination, destinationOffset));
}
return {};
},
"encoding %s.ResolveQuerySet(%s, %u, %u, %s, %u).", this, querySet, firstQuery,
queryCount, destination, destinationOffset);
}
void CommandEncoder::APIWriteBuffer(BufferBase* buffer,
uint64_t bufferOffset,
const uint8_t* data,
uint64_t size) {
mEncodingContext.TryEncode(
this,
[&](CommandAllocator* allocator) -> MaybeError {
if (GetDevice()->IsValidationEnabled()) {
DAWN_TRY(ValidateWriteBuffer(GetDevice(), buffer, bufferOffset, size));
}
WriteBufferCmd* cmd = allocator->Allocate<WriteBufferCmd>(Command::WriteBuffer);
cmd->buffer = buffer;
cmd->offset = bufferOffset;
cmd->size = size;
uint8_t* inlinedData = allocator->AllocateData<uint8_t>(size);
memcpy(inlinedData, data, size);
mTopLevelBuffers.insert(buffer);
return {};
},
"encoding %s.WriteBuffer(%s, %u, ..., %u).", this, buffer, bufferOffset, size);
}
void CommandEncoder::APIWriteTimestamp(QuerySetBase* querySet, uint32_t queryIndex) {
mEncodingContext.TryEncode(
this,
[&](CommandAllocator* allocator) -> MaybeError {
if (GetDevice()->IsValidationEnabled()) {
DAWN_TRY(GetDevice()->ValidateObject(querySet));
DAWN_TRY(ValidateTimestampQuery(querySet, queryIndex));
}
TrackQueryAvailability(querySet, queryIndex);
WriteTimestampCmd* cmd =
allocator->Allocate<WriteTimestampCmd>(Command::WriteTimestamp);
cmd->querySet = querySet;
cmd->queryIndex = queryIndex;
return {};
},
"encoding %s.WriteTimestamp(%s, %u).", this, querySet, queryIndex);
}
CommandBufferBase* CommandEncoder::APIFinish(const CommandBufferDescriptor* descriptor) {
Ref<CommandBufferBase> commandBuffer;
if (GetDevice()->ConsumedError(FinishInternal(descriptor), &commandBuffer)) {
return CommandBufferBase::MakeError(GetDevice());
}
ASSERT(!IsError());
return commandBuffer.Detach();
}
ResultOrError<Ref<CommandBufferBase>> CommandEncoder::FinishInternal(
const CommandBufferDescriptor* descriptor) {
DeviceBase* device = GetDevice();
// Even if mEncodingContext.Finish() validation fails, calling it will mutate the internal
// state of the encoding context. The internal state is set to finished, and subsequent
// calls to encode commands will generate errors.
DAWN_TRY(mEncodingContext.Finish());
DAWN_TRY(device->ValidateIsAlive());
if (device->IsValidationEnabled()) {
DAWN_TRY(ValidateFinish());
}
return device->CreateCommandBuffer(this, descriptor);
}
// Implementation of the command buffer validation that can be precomputed before submit
MaybeError CommandEncoder::ValidateFinish() const {
TRACE_EVENT0(GetDevice()->GetPlatform(), Validation, "CommandEncoder::ValidateFinish");
DAWN_TRY(GetDevice()->ValidateObject(this));
for (const RenderPassResourceUsage& passUsage : mEncodingContext.GetRenderPassUsages()) {
DAWN_TRY_CONTEXT(ValidateSyncScopeResourceUsage(passUsage),
"validating render pass usage.");
}
for (const ComputePassResourceUsage& passUsage : mEncodingContext.GetComputePassUsages()) {
for (const SyncScopeResourceUsage& scope : passUsage.dispatchUsages) {
DAWN_TRY_CONTEXT(ValidateSyncScopeResourceUsage(scope),
"validating compute pass usage.");
}
}
DAWN_INVALID_IF(
mDebugGroupStackSize != 0,
"PushDebugGroup called %u time(s) without a corresponding PopDebugGroup prior to "
"calling Finish.",
mDebugGroupStackSize);
return {};
}
} // namespace dawn_native