127 lines
4.9 KiB
C++
127 lines
4.9 KiB
C++
// Copyright 2019 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "dawn_native/RenderBundleEncoder.h"
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#include "dawn_native/CommandValidation.h"
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#include "dawn_native/Commands.h"
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#include "dawn_native/Device.h"
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#include "dawn_native/Format.h"
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#include "dawn_native/RenderPipeline.h"
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#include "dawn_native/ValidationUtils_autogen.h"
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namespace dawn_native {
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MaybeError ValidateColorAttachmentFormat(const DeviceBase* device,
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dawn::TextureFormat textureFormat) {
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DAWN_TRY(ValidateTextureFormat(textureFormat));
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const Format* format = nullptr;
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DAWN_TRY_ASSIGN(format, device->GetInternalFormat(textureFormat));
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if (!format->IsColor() || !format->isRenderable) {
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return DAWN_VALIDATION_ERROR(
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"The color attachment texture format is not color renderable");
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}
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return {};
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}
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MaybeError ValidateDepthStencilAttachmentFormat(const DeviceBase* device,
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dawn::TextureFormat textureFormat) {
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DAWN_TRY(ValidateTextureFormat(textureFormat));
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const Format* format = nullptr;
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DAWN_TRY_ASSIGN(format, device->GetInternalFormat(textureFormat));
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if (!format->HasDepthOrStencil() || !format->isRenderable) {
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return DAWN_VALIDATION_ERROR(
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"The depth stencil attachment texture format is not a renderable depth/stencil "
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"format");
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}
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return {};
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}
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MaybeError ValidateRenderBundleEncoderDescriptor(
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const DeviceBase* device,
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const RenderBundleEncoderDescriptor* descriptor) {
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if (!IsValidSampleCount(descriptor->sampleCount)) {
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return DAWN_VALIDATION_ERROR("Sample count is not supported");
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}
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if (descriptor->colorFormatsCount > kMaxColorAttachments) {
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return DAWN_VALIDATION_ERROR("Color formats count exceeds maximum");
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}
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if (descriptor->colorFormatsCount == 0 &&
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descriptor->depthStencilFormat == dawn::TextureFormat::None) {
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return DAWN_VALIDATION_ERROR("Should have at least one attachment format");
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}
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for (uint32_t i = 0; i < descriptor->colorFormatsCount; ++i) {
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DAWN_TRY(ValidateColorAttachmentFormat(device, descriptor->colorFormats[i]));
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}
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if (descriptor->depthStencilFormat != dawn::TextureFormat::None) {
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DAWN_TRY(ValidateDepthStencilAttachmentFormat(device, descriptor->depthStencilFormat));
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}
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return {};
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}
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RenderBundleEncoderBase::RenderBundleEncoderBase(
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DeviceBase* device,
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const RenderBundleEncoderDescriptor* descriptor)
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: RenderEncoderBase(device, &mEncodingContext),
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mEncodingContext(device, this),
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mAttachmentState(device->GetOrCreateAttachmentState(descriptor)) {
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}
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RenderBundleEncoderBase::RenderBundleEncoderBase(DeviceBase* device, ErrorTag errorTag)
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: RenderEncoderBase(device, &mEncodingContext, errorTag), mEncodingContext(device, this) {
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}
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// static
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RenderBundleEncoderBase* RenderBundleEncoderBase::MakeError(DeviceBase* device) {
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return new RenderBundleEncoderBase(device, ObjectBase::kError);
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}
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const AttachmentState* RenderBundleEncoderBase::GetAttachmentState() const {
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return mAttachmentState.Get();
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}
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CommandIterator RenderBundleEncoderBase::AcquireCommands() {
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return mEncodingContext.AcquireCommands();
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}
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RenderBundleBase* RenderBundleEncoderBase::Finish(const RenderBundleDescriptor* descriptor) {
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if (GetDevice()->ConsumedError(ValidateFinish(descriptor))) {
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return RenderBundleBase::MakeError(GetDevice());
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}
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ASSERT(!IsError());
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return new RenderBundleBase(this, descriptor, mAttachmentState.Get(),
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std::move(mResourceUsage));
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}
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MaybeError RenderBundleEncoderBase::ValidateFinish(const RenderBundleDescriptor* descriptor) {
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DAWN_TRY(GetDevice()->ValidateObject(this));
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// Even if Finish() validation fails, calling it will mutate the internal state of the
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// encoding context. Subsequent calls to encode commands will generate errors.
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DAWN_TRY(mEncodingContext.Finish());
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CommandIterator* commands = mEncodingContext.GetIterator();
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DAWN_TRY(ValidateRenderBundle(commands, mAttachmentState.Get(), &mResourceUsage));
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return {};
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}
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} // namespace dawn_native
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