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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/RenderBundleEncoder.h"
#include <utility>
#include "dawn/common/StackContainer.h"
#include "dawn/native/CommandValidation.h"
#include "dawn/native/Commands.h"
#include "dawn/native/Device.h"
#include "dawn/native/Format.h"
#include "dawn/native/ObjectType_autogen.h"
#include "dawn/native/RenderPipeline.h"
#include "dawn/native/ValidationUtils_autogen.h"
#include "dawn/platform/DawnPlatform.h"
#include "dawn/platform/tracing/TraceEvent.h"
namespace dawn::native {
MaybeError ValidateColorAttachmentFormat(const DeviceBase* device,
wgpu::TextureFormat textureFormat) {
DAWN_TRY(ValidateTextureFormat(textureFormat));
const Format* format = nullptr;
DAWN_TRY_ASSIGN(format, device->GetInternalFormat(textureFormat));
DAWN_INVALID_IF(!format->IsColor() || !format->isRenderable,
"Texture format %s is not color renderable.", textureFormat);
return {};
}
MaybeError ValidateDepthStencilAttachmentFormat(const DeviceBase* device,
wgpu::TextureFormat textureFormat,
bool depthReadOnly,
bool stencilReadOnly) {
DAWN_TRY(ValidateTextureFormat(textureFormat));
const Format* format = nullptr;
DAWN_TRY_ASSIGN(format, device->GetInternalFormat(textureFormat));
DAWN_INVALID_IF(!format->HasDepthOrStencil() || !format->isRenderable,
"Texture format %s is not depth/stencil renderable.", textureFormat);
DAWN_INVALID_IF(
format->HasDepth() && format->HasStencil() && depthReadOnly != stencilReadOnly,
"depthReadOnly (%u) and stencilReadOnly (%u) must be the same when format %s has "
"both depth and stencil aspects.",
depthReadOnly, stencilReadOnly, textureFormat);
return {};
}
MaybeError ValidateRenderBundleEncoderDescriptor(DeviceBase* device,
const RenderBundleEncoderDescriptor* descriptor) {
DAWN_INVALID_IF(!IsValidSampleCount(descriptor->sampleCount),
"Sample count (%u) is not supported.", descriptor->sampleCount);
uint32_t maxColorAttachments = device->GetLimits().v1.maxColorAttachments;
DAWN_INVALID_IF(descriptor->colorFormatsCount > maxColorAttachments,
"Color formats count (%u) exceeds maximum number of color attachements (%u).",
descriptor->colorFormatsCount, maxColorAttachments);
bool allColorFormatsUndefined = true;
ColorAttachmentFormats colorAttachmentFormats;
for (uint32_t i = 0; i < descriptor->colorFormatsCount; ++i) {
wgpu::TextureFormat format = descriptor->colorFormats[i];
if (format != wgpu::TextureFormat::Undefined) {
DAWN_TRY_CONTEXT(ValidateColorAttachmentFormat(device, format),
"validating colorFormats[%u]", i);
colorAttachmentFormats->push_back(&device->GetValidInternalFormat(format));
allColorFormatsUndefined = false;
}
}
DAWN_TRY_CONTEXT(ValidateColorAttachmentBytesPerSample(device, colorAttachmentFormats),
"validating color attachment bytes per sample.");
if (descriptor->depthStencilFormat != wgpu::TextureFormat::Undefined) {
DAWN_TRY_CONTEXT(ValidateDepthStencilAttachmentFormat(
device, descriptor->depthStencilFormat, descriptor->depthReadOnly,
descriptor->stencilReadOnly),
"validating depthStencilFormat");
} else {
DAWN_INVALID_IF(
allColorFormatsUndefined,
"No color or depthStencil attachments specified. At least one is required.");
}
return {};
}
RenderBundleEncoder::RenderBundleEncoder(DeviceBase* device,
const RenderBundleEncoderDescriptor* descriptor)
: RenderEncoderBase(device,
descriptor->label,
&mBundleEncodingContext,
device->GetOrCreateAttachmentState(descriptor),
descriptor->depthReadOnly,
descriptor->stencilReadOnly),
mBundleEncodingContext(device, this) {
GetObjectTrackingList()->Track(this);
}
RenderBundleEncoder::RenderBundleEncoder(DeviceBase* device, ErrorTag errorTag, const char* label)
: RenderEncoderBase(device, &mBundleEncodingContext, errorTag, label),
mBundleEncodingContext(device, this) {}
void RenderBundleEncoder::DestroyImpl() {
RenderEncoderBase::DestroyImpl();
mBundleEncodingContext.Destroy();
}
// static
Ref<RenderBundleEncoder> RenderBundleEncoder::Create(
DeviceBase* device,
const RenderBundleEncoderDescriptor* descriptor) {
return AcquireRef(new RenderBundleEncoder(device, descriptor));
}
// static
RenderBundleEncoder* RenderBundleEncoder::MakeError(DeviceBase* device, const char* label) {
return new RenderBundleEncoder(device, ObjectBase::kError, label);
}
ObjectType RenderBundleEncoder::GetType() const {
return ObjectType::RenderBundleEncoder;
}
CommandIterator RenderBundleEncoder::AcquireCommands() {
return mBundleEncodingContext.AcquireCommands();
}
RenderBundleBase* RenderBundleEncoder::APIFinish(const RenderBundleDescriptor* descriptor) {
RenderBundleBase* result = nullptr;
if (GetDevice()->ConsumedError(FinishImpl(descriptor), &result, "calling %s.Finish(%s).", this,
descriptor)) {
RenderBundleBase* errorRenderBundle =
RenderBundleBase::MakeError(GetDevice(), descriptor ? descriptor->label : nullptr);
errorRenderBundle->SetEncoderLabel(this->GetLabel());
return errorRenderBundle;
}
return result;
}
ResultOrError<RenderBundleBase*> RenderBundleEncoder::FinishImpl(
const RenderBundleDescriptor* descriptor) {
// Even if mBundleEncodingContext.Finish() validation fails, calling it will mutate the
// internal state of the encoding context. Subsequent calls to encode commands will generate
// errors.
DAWN_TRY(mBundleEncodingContext.Finish());
RenderPassResourceUsage usages = mUsageTracker.AcquireResourceUsage();
if (IsValidationEnabled()) {
DAWN_TRY(GetDevice()->ValidateObject(this));
DAWN_TRY(ValidateProgrammableEncoderEnd());
DAWN_TRY(ValidateFinish(usages));
}
return new RenderBundleBase(this, descriptor, AcquireAttachmentState(), IsDepthReadOnly(),
IsStencilReadOnly(), std::move(usages),
std::move(mIndirectDrawMetadata));
}
MaybeError RenderBundleEncoder::ValidateFinish(const RenderPassResourceUsage& usages) const {
TRACE_EVENT0(GetDevice()->GetPlatform(), Validation, "RenderBundleEncoder::ValidateFinish");
DAWN_TRY(GetDevice()->ValidateObject(this));
DAWN_TRY(ValidateSyncScopeResourceUsage(usages));
return {};
}
} // namespace dawn::native