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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/QuerySet.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.
if (dataSize % 4 != 0) {
return DAWN_VALIDATION_ERROR("Copy size must be a multiple of 4 bytes");
}
// SourceOffset and destinationOffset must be multiples of 4 bytes on macOS.
if (srcOffset % 4 != 0 || dstOffset % 4 != 0) {
return DAWN_VALIDATION_ERROR(
"Source offset and destination offset must be multiples of 4 bytes");
}
return {};
}
MaybeError ValidateTextureSampleCountInBufferCopyCommands(const TextureBase* texture) {
if (texture->GetSampleCount() > 1) {
return DAWN_VALIDATION_ERROR(
"The sample count of textures must be 1 when copying between buffers and "
"textures");
}
return {};
}
MaybeError ValidateLinearTextureCopyOffset(const TextureDataLayout& layout,
const TexelBlockInfo& blockInfo) {
if (layout.offset % blockInfo.byteSize != 0) {
return DAWN_VALIDATION_ERROR(
"offset must be a multiple of the texel block byte size.");
}
return {};
}
MaybeError ValidateTextureDepthStencilToBufferCopyRestrictions(const TextureCopyView& src) {
Aspect aspectUsed;
DAWN_TRY_ASSIGN(aspectUsed, SingleAspectUsedByTextureCopyView(src));
if (aspectUsed == Aspect::Depth) {
switch (src.texture->GetFormat().format) {
case wgpu::TextureFormat::Depth24Plus:
case wgpu::TextureFormat::Depth24PlusStencil8:
return DAWN_VALIDATION_ERROR(
"The depth aspect of depth24plus texture cannot be selected in a "
"texture to buffer copy");
break;
case wgpu::TextureFormat::Depth32Float:
break;
default:
UNREACHABLE();
}
}
return {};
}
MaybeError ValidateAttachmentArrayLayersAndLevelCount(const TextureViewBase* attachment) {
// Currently we do not support layered rendering.
if (attachment->GetLayerCount() > 1) {
return DAWN_VALIDATION_ERROR(
"The layer count of the texture view used as attachment cannot be greater than "
"1");
}
if (attachment->GetLevelCount() > 1) {
return DAWN_VALIDATION_ERROR(
"The mipmap level count of the texture view used as attachment cannot be "
"greater than 1");
}
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 if (*width != attachmentSize.width || *height != attachmentSize.height) {
return DAWN_VALIDATION_ERROR("Attachment size mismatch");
}
return {};
}
MaybeError ValidateOrSetColorAttachmentSampleCount(const TextureViewBase* colorAttachment,
uint32_t* sampleCount) {
if (*sampleCount == 0) {
*sampleCount = colorAttachment->GetTexture()->GetSampleCount();
DAWN_ASSERT(*sampleCount != 0);
} else if (*sampleCount != colorAttachment->GetTexture()->GetSampleCount()) {
return DAWN_VALIDATION_ERROR("Color attachment sample counts mismatch");
}
return {};
}
MaybeError ValidateResolveTarget(
const DeviceBase* device,
const RenderPassColorAttachmentDescriptor& colorAttachment) {
if (colorAttachment.resolveTarget == nullptr) {
return {};
}
const TextureViewBase* resolveTarget = colorAttachment.resolveTarget;
const TextureViewBase* attachment = colorAttachment.attachment;
DAWN_TRY(device->ValidateObject(colorAttachment.resolveTarget));
if (!attachment->GetTexture()->IsMultisampledTexture()) {
return DAWN_VALIDATION_ERROR(
"Cannot set resolve target when the sample count of the color attachment is 1");
}
if (resolveTarget->GetTexture()->IsMultisampledTexture()) {
return DAWN_VALIDATION_ERROR("Cannot use multisampled texture as resolve target");
}
if (resolveTarget->GetLayerCount() > 1) {
return DAWN_VALIDATION_ERROR(
"The array layer count of the resolve target must be 1");
}
if (resolveTarget->GetLevelCount() > 1) {
return DAWN_VALIDATION_ERROR("The mip level count of the resolve target must be 1");
}
uint32_t colorAttachmentBaseMipLevel = attachment->GetBaseMipLevel();
const Extent3D& colorTextureSize = attachment->GetTexture()->GetSize();
uint32_t colorAttachmentWidth = colorTextureSize.width >> colorAttachmentBaseMipLevel;
uint32_t colorAttachmentHeight = colorTextureSize.height >> colorAttachmentBaseMipLevel;
uint32_t resolveTargetBaseMipLevel = resolveTarget->GetBaseMipLevel();
const Extent3D& resolveTextureSize = resolveTarget->GetTexture()->GetSize();
uint32_t resolveTargetWidth = resolveTextureSize.width >> resolveTargetBaseMipLevel;
uint32_t resolveTargetHeight = resolveTextureSize.height >> resolveTargetBaseMipLevel;
if (colorAttachmentWidth != resolveTargetWidth ||
colorAttachmentHeight != resolveTargetHeight) {
return DAWN_VALIDATION_ERROR(
"The size of the resolve target must be the same as the color attachment");
}
wgpu::TextureFormat resolveTargetFormat = resolveTarget->GetFormat().format;
if (resolveTargetFormat != attachment->GetFormat().format) {
return DAWN_VALIDATION_ERROR(
"The format of the resolve target must be the same as the color attachment");
}
return {};
}
MaybeError ValidateRenderPassColorAttachment(
const DeviceBase* device,
const RenderPassColorAttachmentDescriptor& colorAttachment,
uint32_t* width,
uint32_t* height,
uint32_t* sampleCount) {
DAWN_TRY(device->ValidateObject(colorAttachment.attachment));
const TextureViewBase* attachment = colorAttachment.attachment;
if (!(attachment->GetAspects() & Aspect::Color) ||
!attachment->GetFormat().isRenderable) {
return DAWN_VALIDATION_ERROR(
"The format of the texture view used as color attachment is not color "
"renderable");
}
DAWN_TRY(ValidateLoadOp(colorAttachment.loadOp));
DAWN_TRY(ValidateStoreOp(colorAttachment.storeOp));
if (colorAttachment.loadOp == wgpu::LoadOp::Clear) {
if (std::isnan(colorAttachment.clearColor.r) ||
std::isnan(colorAttachment.clearColor.g) ||
std::isnan(colorAttachment.clearColor.b) ||
std::isnan(colorAttachment.clearColor.a)) {
return DAWN_VALIDATION_ERROR("Color clear value cannot contain NaN");
}
}
DAWN_TRY(ValidateOrSetColorAttachmentSampleCount(attachment, sampleCount));
DAWN_TRY(ValidateResolveTarget(device, colorAttachment));
DAWN_TRY(ValidateAttachmentArrayLayersAndLevelCount(attachment));
DAWN_TRY(ValidateOrSetAttachmentSize(attachment, width, height));
return {};
}
MaybeError ValidateRenderPassDepthStencilAttachment(
const DeviceBase* device,
const RenderPassDepthStencilAttachmentDescriptor* depthStencilAttachment,
uint32_t* width,
uint32_t* height,
uint32_t* sampleCount) {
DAWN_ASSERT(depthStencilAttachment != nullptr);
DAWN_TRY(device->ValidateObject(depthStencilAttachment->attachment));
const TextureViewBase* attachment = depthStencilAttachment->attachment;
if ((attachment->GetAspects() & (Aspect::Depth | Aspect::Stencil)) == Aspect::None ||
!attachment->GetFormat().isRenderable) {
return DAWN_VALIDATION_ERROR(
"The format of the texture view used as depth stencil attachment is not a "
"depth stencil format");
}
DAWN_TRY(ValidateLoadOp(depthStencilAttachment->depthLoadOp));
DAWN_TRY(ValidateLoadOp(depthStencilAttachment->stencilLoadOp));
DAWN_TRY(ValidateStoreOp(depthStencilAttachment->depthStoreOp));
DAWN_TRY(ValidateStoreOp(depthStencilAttachment->stencilStoreOp));
if (attachment->GetAspects() == (Aspect::Depth | Aspect::Stencil) &&
depthStencilAttachment->depthReadOnly != depthStencilAttachment->stencilReadOnly) {
return DAWN_VALIDATION_ERROR(
"depthReadOnly and stencilReadOnly must be the same when texture aspect is "
"'all'");
}
if (depthStencilAttachment->depthReadOnly &&
(depthStencilAttachment->depthLoadOp != wgpu::LoadOp::Load ||
depthStencilAttachment->depthStoreOp != wgpu::StoreOp::Store)) {
return DAWN_VALIDATION_ERROR(
"depthLoadOp must be load and depthStoreOp must be store when depthReadOnly "
"is true.");
}
if (depthStencilAttachment->stencilReadOnly &&
(depthStencilAttachment->stencilLoadOp != wgpu::LoadOp::Load ||
depthStencilAttachment->stencilStoreOp != wgpu::StoreOp::Store)) {
return DAWN_VALIDATION_ERROR(
"stencilLoadOp must be load and stencilStoreOp must be store when "
"stencilReadOnly "
"is true.");
}
if (depthStencilAttachment->depthLoadOp == wgpu::LoadOp::Clear &&
std::isnan(depthStencilAttachment->clearDepth)) {
return DAWN_VALIDATION_ERROR("Depth clear value cannot be 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) {
if (depthStencilSampleCount != *sampleCount) {
return DAWN_VALIDATION_ERROR("Depth stencil attachment sample counts mismatch");
}
} else {
*sampleCount = depthStencilSampleCount;
}
DAWN_TRY(ValidateAttachmentArrayLayersAndLevelCount(attachment));
DAWN_TRY(ValidateOrSetAttachmentSize(attachment, width, height));
return {};
}
MaybeError ValidateRenderPassDescriptor(const DeviceBase* device,
const RenderPassDescriptor* descriptor,
uint32_t* width,
uint32_t* height,
uint32_t* sampleCount) {
if (descriptor->colorAttachmentCount > kMaxColorAttachments) {
return DAWN_VALIDATION_ERROR("Setting color attachments out of bounds");
}
for (uint32_t i = 0; i < descriptor->colorAttachmentCount; ++i) {
DAWN_TRY(ValidateRenderPassColorAttachment(device, descriptor->colorAttachments[i],
width, height, sampleCount));
}
if (descriptor->depthStencilAttachment != nullptr) {
DAWN_TRY(ValidateRenderPassDepthStencilAttachment(
device, descriptor->depthStencilAttachment, width, height, sampleCount));
}
if (descriptor->occlusionQuerySet != nullptr) {
DAWN_TRY(device->ValidateObject(descriptor->occlusionQuerySet));
// Occlusion query has not been implemented completely. Disallow it as unsafe until
// the implementaion is completed.
if (device->IsToggleEnabled(Toggle::DisallowUnsafeAPIs)) {
return DAWN_VALIDATION_ERROR(
"Occlusion query is disallowed because it has not been implemented "
"completely.");
}
if (descriptor->occlusionQuerySet->GetQueryType() != wgpu::QueryType::Occlusion) {
return DAWN_VALIDATION_ERROR("The type of query set must be Occlusion");
}
}
if (descriptor->colorAttachmentCount == 0 &&
descriptor->depthStencilAttachment == nullptr) {
return DAWN_VALIDATION_ERROR("Cannot use render pass with 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) {
if (firstQuery >= querySet->GetQueryCount()) {
return DAWN_VALIDATION_ERROR("Query index out of bounds");
}
if (queryCount > querySet->GetQueryCount() - firstQuery) {
return DAWN_VALIDATION_ERROR(
"The sum of firstQuery and queryCount exceeds the number of queries in query "
"set");
}
// TODO(hao.x.li@intel.com): Validate that the queries between [firstQuery, firstQuery +
// queryCount - 1] must be available(written by query operations).
// The destinationOffset must be a multiple of 8 bytes on D3D12 and Vulkan
if (destinationOffset % 8 != 0) {
return DAWN_VALIDATION_ERROR(
"The alignment offset into the destination buffer must be a multiple of 8 "
"bytes");
}
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));
if (!fitsInBuffer) {
return DAWN_VALIDATION_ERROR("The resolved query data would overflow the buffer");
}
return {};
}
} // namespace
CommandEncoder::CommandEncoder(DeviceBase* device, const CommandEncoderDescriptor*)
: ObjectBase(device), mEncodingContext(device, this) {
}
CommandBufferResourceUsage CommandEncoder::AcquireResourceUsages() {
return CommandBufferResourceUsage{mEncodingContext.AcquirePassUsages(),
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);
}
// Gets the iterator for that querySet or create a new vector of bool set to false
// if the querySet wasn't registered.
auto it = mQueryAvailabilityMap.emplace(querySet, querySet->GetQueryCount()).first;
it->second[queryIndex] = 1;
}
const QueryAvailabilityMap& CommandEncoder::GetQueryAvailabilityMap() const {
return mQueryAvailabilityMap;
}
// Implementation of the API's command recording methods
ComputePassEncoder* CommandEncoder::BeginComputePass(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 {};
});
if (success) {
ComputePassEncoder* passEncoder =
new ComputePassEncoder(device, this, &mEncodingContext);
mEncodingContext.EnterPass(passEncoder);
return passEncoder;
}
return ComputePassEncoder::MakeError(device, this, &mEncodingContext);
}
RenderPassEncoder* CommandEncoder::BeginRenderPass(const RenderPassDescriptor* descriptor) {
DeviceBase* device = GetDevice();
PassResourceUsageTracker usageTracker(PassType::Render);
uint32_t width = 0;
uint32_t height = 0;
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);
BeginRenderPassCmd* cmd =
allocator->Allocate<BeginRenderPassCmd>(Command::BeginRenderPass);
cmd->attachmentState = device->GetOrCreateAttachmentState(descriptor);
for (ColorAttachmentIndex index :
IterateBitSet(cmd->attachmentState->GetColorAttachmentsMask())) {
uint8_t i = static_cast<uint8_t>(index);
TextureViewBase* view = descriptor->colorAttachments[i].attachment;
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->attachment;
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;
usageTracker.TextureViewUsedAs(view, wgpu::TextureUsage::RenderAttachment);
}
cmd->width = width;
cmd->height = height;
return {};
});
if (success) {
RenderPassEncoder* passEncoder =
new RenderPassEncoder(device, this, &mEncodingContext, std::move(usageTracker),
descriptor->occlusionQuerySet, width, height);
mEncodingContext.EnterPass(passEncoder);
return passEncoder;
}
return RenderPassEncoder::MakeError(device, this, &mEncodingContext);
}
void CommandEncoder::CopyBufferToBuffer(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));
if (source == destination) {
return DAWN_VALIDATION_ERROR(
"Source and destination cannot be the same buffer.");
}
DAWN_TRY(ValidateCopySizeFitsInBuffer(source, sourceOffset, size));
DAWN_TRY(ValidateCopySizeFitsInBuffer(destination, destinationOffset, size));
DAWN_TRY(ValidateB2BCopyAlignment(size, sourceOffset, destinationOffset));
DAWN_TRY(ValidateCanUseAs(source, wgpu::BufferUsage::CopySrc));
DAWN_TRY(ValidateCanUseAs(destination, wgpu::BufferUsage::CopyDst));
mTopLevelBuffers.insert(source);
mTopLevelBuffers.insert(destination);
}
// Skip noop copies. Some backends validation rules disallow them.
if (size != 0) {
CopyBufferToBufferCmd* copy =
allocator->Allocate<CopyBufferToBufferCmd>(Command::CopyBufferToBuffer);
copy->source = source;
copy->sourceOffset = sourceOffset;
copy->destination = destination;
copy->destinationOffset = destinationOffset;
copy->size = size;
}
return {};
});
}
void CommandEncoder::CopyBufferToTexture(const BufferCopyView* source,
const TextureCopyView* destination,
const Extent3D* copySize) {
mEncodingContext.TryEncode(this, [&](CommandAllocator* allocator) -> MaybeError {
if (GetDevice()->IsValidationEnabled()) {
DAWN_TRY(ValidateBufferCopyView(GetDevice(), *source));
DAWN_TRY(ValidateCanUseAs(source->buffer, wgpu::BufferUsage::CopySrc));
DAWN_TRY(ValidateTextureCopyView(GetDevice(), *destination, *copySize));
DAWN_TRY(ValidateCanUseAs(destination->texture, wgpu::TextureUsage::CopyDst));
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(*destination, *copySize));
}
const TexelBlockInfo& blockInfo =
destination->texture->GetFormat().GetAspectInfo(destination->aspect).block;
TextureDataLayout srcLayout = FixUpDeprecatedTextureDataLayoutOptions(
GetDevice(), source->layout, blockInfo, *copySize);
if (GetDevice()->IsValidationEnabled()) {
DAWN_TRY(ValidateLinearTextureCopyOffset(srcLayout, blockInfo));
DAWN_TRY(ValidateLinearTextureData(srcLayout, source->buffer->GetSize(), blockInfo,
*copySize));
mTopLevelBuffers.insert(source->buffer);
mTopLevelTextures.insert(destination->texture);
}
ApplyDefaultTextureDataLayoutOptions(&srcLayout, blockInfo, *copySize);
// Skip noop copies.
if (copySize->width != 0 && copySize->height != 0 && copySize->depth != 0) {
// Record the copy command.
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 {};
});
}
void CommandEncoder::CopyTextureToBuffer(const TextureCopyView* source,
const BufferCopyView* destination,
const Extent3D* copySize) {
mEncodingContext.TryEncode(this, [&](CommandAllocator* allocator) -> MaybeError {
if (GetDevice()->IsValidationEnabled()) {
DAWN_TRY(ValidateTextureCopyView(GetDevice(), *source, *copySize));
DAWN_TRY(ValidateCanUseAs(source->texture, wgpu::TextureUsage::CopySrc));
DAWN_TRY(ValidateTextureSampleCountInBufferCopyCommands(source->texture));
DAWN_TRY(ValidateTextureDepthStencilToBufferCopyRestrictions(*source));
DAWN_TRY(ValidateBufferCopyView(GetDevice(), *destination));
DAWN_TRY(ValidateCanUseAs(destination->buffer, wgpu::BufferUsage::CopyDst));
// 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(*source, *copySize));
}
const TexelBlockInfo& blockInfo =
source->texture->GetFormat().GetAspectInfo(source->aspect).block;
TextureDataLayout dstLayout = FixUpDeprecatedTextureDataLayoutOptions(
GetDevice(), destination->layout, blockInfo, *copySize);
if (GetDevice()->IsValidationEnabled()) {
DAWN_TRY(ValidateLinearTextureCopyOffset(dstLayout, blockInfo));
DAWN_TRY(ValidateLinearTextureData(dstLayout, destination->buffer->GetSize(),
blockInfo, *copySize));
mTopLevelTextures.insert(source->texture);
mTopLevelBuffers.insert(destination->buffer);
}
ApplyDefaultTextureDataLayoutOptions(&dstLayout, blockInfo, *copySize);
// Skip noop copies.
if (copySize->width != 0 && copySize->height != 0 && copySize->depth != 0) {
// Record the copy command.
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 {};
});
}
void CommandEncoder::CopyTextureToTexture(const TextureCopyView* source,
const TextureCopyView* 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(ValidateTextureCopyView(GetDevice(), *source, *copySize));
DAWN_TRY(ValidateTextureCopyView(GetDevice(), *destination, *copySize));
DAWN_TRY(
ValidateTextureToTextureCopyRestrictions(*source, *destination, *copySize));
DAWN_TRY(ValidateTextureCopyRange(*source, *copySize));
DAWN_TRY(ValidateTextureCopyRange(*destination, *copySize));
DAWN_TRY(ValidateCanUseAs(source->texture, wgpu::TextureUsage::CopySrc));
DAWN_TRY(ValidateCanUseAs(destination->texture, wgpu::TextureUsage::CopyDst));
mTopLevelTextures.insert(source->texture);
mTopLevelTextures.insert(destination->texture);
}
// Skip noop copies.
if (copySize->width != 0 && copySize->height != 0 && copySize->depth != 0) {
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 {};
});
}
void CommandEncoder::InjectValidationError(const char* message) {
if (mEncodingContext.CheckCurrentEncoder(this)) {
mEncodingContext.HandleError(InternalErrorType::Validation, message);
}
}
void CommandEncoder::InsertDebugMarker(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 {};
});
}
void CommandEncoder::PopDebugGroup() {
mEncodingContext.TryEncode(this, [&](CommandAllocator* allocator) -> MaybeError {
allocator->Allocate<PopDebugGroupCmd>(Command::PopDebugGroup);
return {};
});
}
void CommandEncoder::PushDebugGroup(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);
return {};
});
}
void CommandEncoder::ResolveQuerySet(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;
return {};
});
}
void CommandEncoder::WriteTimestamp(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 {};
});
}
CommandBufferBase* CommandEncoder::Finish(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.
if (device->ConsumedError(mEncodingContext.Finish()) ||
device->ConsumedError(device->ValidateIsAlive()) ||
(device->IsValidationEnabled() &&
device->ConsumedError(ValidateFinish(mEncodingContext.GetIterator(),
mEncodingContext.GetPassUsages())))) {
return CommandBufferBase::MakeError(device);
}
ASSERT(!IsError());
return device->CreateCommandBuffer(this, descriptor);
}
// Implementation of the command buffer validation that can be precomputed before submit
MaybeError CommandEncoder::ValidateFinish(CommandIterator* commands,
const PerPassUsages& perPassUsages) const {
TRACE_EVENT0(GetDevice()->GetPlatform(), Validation, "CommandEncoder::ValidateFinish");
DAWN_TRY(GetDevice()->ValidateObject(this));
for (const PassResourceUsage& passUsage : perPassUsages) {
DAWN_TRY(ValidatePassResourceUsage(passUsage));
}
uint64_t debugGroupStackSize = 0;
commands->Reset();
Command type;
while (commands->NextCommandId(&type)) {
switch (type) {
case Command::BeginComputePass: {
commands->NextCommand<BeginComputePassCmd>();
DAWN_TRY(ValidateComputePass(commands));
break;
}
case Command::BeginRenderPass: {
const BeginRenderPassCmd* cmd = commands->NextCommand<BeginRenderPassCmd>();
DAWN_TRY(ValidateRenderPass(commands, cmd));
break;
}
case Command::CopyBufferToBuffer: {
commands->NextCommand<CopyBufferToBufferCmd>();
break;
}
case Command::CopyBufferToTexture: {
commands->NextCommand<CopyBufferToTextureCmd>();
break;
}
case Command::CopyTextureToBuffer: {
commands->NextCommand<CopyTextureToBufferCmd>();
break;
}
case Command::CopyTextureToTexture: {
commands->NextCommand<CopyTextureToTextureCmd>();
break;
}
case Command::InsertDebugMarker: {
const InsertDebugMarkerCmd* cmd = commands->NextCommand<InsertDebugMarkerCmd>();
commands->NextData<char>(cmd->length + 1);
break;
}
case Command::PopDebugGroup: {
commands->NextCommand<PopDebugGroupCmd>();
DAWN_TRY(ValidateCanPopDebugGroup(debugGroupStackSize));
debugGroupStackSize--;
break;
}
case Command::PushDebugGroup: {
const PushDebugGroupCmd* cmd = commands->NextCommand<PushDebugGroupCmd>();
commands->NextData<char>(cmd->length + 1);
debugGroupStackSize++;
break;
}
case Command::ResolveQuerySet: {
commands->NextCommand<ResolveQuerySetCmd>();
break;
}
case Command::WriteTimestamp: {
commands->NextCommand<WriteTimestampCmd>();
break;
}
default:
return DAWN_VALIDATION_ERROR("Command disallowed outside of a pass");
}
}
DAWN_TRY(ValidateFinalDebugGroupStackSize(debugGroupStackSize));
return {};
}
} // namespace dawn_native