| // 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/RenderEncoderBase.h" |
| |
| #include "common/Constants.h" |
| #include "common/Log.h" |
| #include "dawn_native/Buffer.h" |
| #include "dawn_native/CommandEncoder.h" |
| #include "dawn_native/CommandValidation.h" |
| #include "dawn_native/Commands.h" |
| #include "dawn_native/Device.h" |
| #include "dawn_native/RenderPipeline.h" |
| #include "dawn_native/ValidationUtils_autogen.h" |
| |
| #include <math.h> |
| #include <cstring> |
| |
| namespace dawn_native { |
| |
| RenderEncoderBase::RenderEncoderBase(DeviceBase* device, |
| EncodingContext* encodingContext, |
| Ref<AttachmentState> attachmentState, |
| bool depthReadOnly, |
| bool stencilReadOnly) |
| : ProgrammablePassEncoder(device, encodingContext), |
| mIndirectDrawMetadata(device->GetLimits()), |
| mAttachmentState(std::move(attachmentState)), |
| mDisableBaseVertex(device->IsToggleEnabled(Toggle::DisableBaseVertex)), |
| mDisableBaseInstance(device->IsToggleEnabled(Toggle::DisableBaseInstance)) { |
| mDepthReadOnly = depthReadOnly; |
| mStencilReadOnly = stencilReadOnly; |
| } |
| |
| RenderEncoderBase::RenderEncoderBase(DeviceBase* device, |
| EncodingContext* encodingContext, |
| ErrorTag errorTag) |
| : ProgrammablePassEncoder(device, encodingContext, errorTag), |
| mIndirectDrawMetadata(device->GetLimits()), |
| mDisableBaseVertex(device->IsToggleEnabled(Toggle::DisableBaseVertex)), |
| mDisableBaseInstance(device->IsToggleEnabled(Toggle::DisableBaseInstance)) { |
| } |
| |
| const AttachmentState* RenderEncoderBase::GetAttachmentState() const { |
| ASSERT(!IsError()); |
| ASSERT(mAttachmentState != nullptr); |
| return mAttachmentState.Get(); |
| } |
| |
| bool RenderEncoderBase::IsDepthReadOnly() const { |
| ASSERT(!IsError()); |
| return mDepthReadOnly; |
| } |
| |
| bool RenderEncoderBase::IsStencilReadOnly() const { |
| ASSERT(!IsError()); |
| return mStencilReadOnly; |
| } |
| |
| Ref<AttachmentState> RenderEncoderBase::AcquireAttachmentState() { |
| return std::move(mAttachmentState); |
| } |
| |
| void RenderEncoderBase::APIDraw(uint32_t vertexCount, |
| uint32_t instanceCount, |
| uint32_t firstVertex, |
| uint32_t firstInstance) { |
| mEncodingContext->TryEncode( |
| this, |
| [&](CommandAllocator* allocator) -> MaybeError { |
| if (IsValidationEnabled()) { |
| DAWN_TRY(mCommandBufferState.ValidateCanDraw()); |
| |
| DAWN_INVALID_IF(mDisableBaseInstance && firstInstance != 0, |
| "First instance (%u) must be zero.", firstInstance); |
| |
| DAWN_TRY(mCommandBufferState.ValidateBufferInRangeForVertexBuffer(vertexCount, |
| firstVertex)); |
| DAWN_TRY(mCommandBufferState.ValidateBufferInRangeForInstanceBuffer( |
| instanceCount, firstInstance)); |
| } |
| |
| DrawCmd* draw = allocator->Allocate<DrawCmd>(Command::Draw); |
| draw->vertexCount = vertexCount; |
| draw->instanceCount = instanceCount; |
| draw->firstVertex = firstVertex; |
| draw->firstInstance = firstInstance; |
| |
| return {}; |
| }, |
| "encoding %s.Draw(%u, %u, %u, %u).", this, vertexCount, instanceCount, firstVertex, |
| firstInstance); |
| } |
| |
| void RenderEncoderBase::APIDrawIndexed(uint32_t indexCount, |
| uint32_t instanceCount, |
| uint32_t firstIndex, |
| int32_t baseVertex, |
| uint32_t firstInstance) { |
| mEncodingContext->TryEncode( |
| this, |
| [&](CommandAllocator* allocator) -> MaybeError { |
| if (IsValidationEnabled()) { |
| DAWN_TRY(mCommandBufferState.ValidateCanDrawIndexed()); |
| |
| DAWN_INVALID_IF(mDisableBaseInstance && firstInstance != 0, |
| "First instance (%u) must be zero.", firstInstance); |
| |
| DAWN_INVALID_IF(mDisableBaseVertex && baseVertex != 0, |
| "Base vertex (%u) must be zero.", baseVertex); |
| |
| DAWN_TRY( |
| mCommandBufferState.ValidateIndexBufferInRange(indexCount, firstIndex)); |
| |
| // Although we don't know actual vertex access range in CPU, we still call the |
| // ValidateBufferInRangeForVertexBuffer in order to deal with those vertex step |
| // mode vertex buffer with an array stride of zero. |
| DAWN_TRY(mCommandBufferState.ValidateBufferInRangeForVertexBuffer(0, 0)); |
| DAWN_TRY(mCommandBufferState.ValidateBufferInRangeForInstanceBuffer( |
| instanceCount, firstInstance)); |
| } |
| |
| DrawIndexedCmd* draw = allocator->Allocate<DrawIndexedCmd>(Command::DrawIndexed); |
| draw->indexCount = indexCount; |
| draw->instanceCount = instanceCount; |
| draw->firstIndex = firstIndex; |
| draw->baseVertex = baseVertex; |
| draw->firstInstance = firstInstance; |
| |
| return {}; |
| }, |
| "encoding %s.DrawIndexed(%u, %u, %u, %i, %u).", this, indexCount, instanceCount, |
| firstIndex, baseVertex, firstInstance); |
| } |
| |
| void RenderEncoderBase::APIDrawIndirect(BufferBase* indirectBuffer, uint64_t indirectOffset) { |
| mEncodingContext->TryEncode( |
| this, |
| [&](CommandAllocator* allocator) -> MaybeError { |
| if (IsValidationEnabled()) { |
| DAWN_TRY(GetDevice()->ValidateObject(indirectBuffer)); |
| DAWN_TRY(ValidateCanUseAs(indirectBuffer, wgpu::BufferUsage::Indirect)); |
| DAWN_TRY(mCommandBufferState.ValidateCanDraw()); |
| |
| DAWN_INVALID_IF(indirectOffset % 4 != 0, |
| "Indirect offset (%u) is not a multiple of 4.", indirectOffset); |
| |
| DAWN_INVALID_IF( |
| indirectOffset >= indirectBuffer->GetSize() || |
| kDrawIndirectSize > indirectBuffer->GetSize() - indirectOffset, |
| "Indirect offset (%u) is out of bounds of indirect buffer %s size (%u).", |
| indirectOffset, indirectBuffer, indirectBuffer->GetSize()); |
| } |
| |
| DrawIndirectCmd* cmd = allocator->Allocate<DrawIndirectCmd>(Command::DrawIndirect); |
| cmd->indirectBuffer = indirectBuffer; |
| cmd->indirectOffset = indirectOffset; |
| |
| mUsageTracker.BufferUsedAs(indirectBuffer, wgpu::BufferUsage::Indirect); |
| |
| return {}; |
| }, |
| "encoding %s.DrawIndirect(%s, %u).", this, indirectBuffer, indirectOffset); |
| } |
| |
| void RenderEncoderBase::APIDrawIndexedIndirect(BufferBase* indirectBuffer, |
| uint64_t indirectOffset) { |
| mEncodingContext->TryEncode( |
| this, |
| [&](CommandAllocator* allocator) -> MaybeError { |
| if (IsValidationEnabled()) { |
| DAWN_TRY(GetDevice()->ValidateObject(indirectBuffer)); |
| DAWN_TRY(ValidateCanUseAs(indirectBuffer, wgpu::BufferUsage::Indirect)); |
| DAWN_TRY(mCommandBufferState.ValidateCanDrawIndexed()); |
| |
| DAWN_INVALID_IF(indirectOffset % 4 != 0, |
| "Indirect offset (%u) is not a multiple of 4.", indirectOffset); |
| |
| DAWN_INVALID_IF( |
| (indirectOffset >= indirectBuffer->GetSize() || |
| kDrawIndexedIndirectSize > indirectBuffer->GetSize() - indirectOffset), |
| "Indirect offset (%u) is out of bounds of indirect buffer %s size (%u).", |
| indirectOffset, indirectBuffer, indirectBuffer->GetSize()); |
| } |
| |
| DrawIndexedIndirectCmd* cmd = |
| allocator->Allocate<DrawIndexedIndirectCmd>(Command::DrawIndexedIndirect); |
| if (IsValidationEnabled()) { |
| // Later, EncodeIndirectDrawValidationCommands will allocate a scratch storage |
| // buffer which will store the validated indirect data. The buffer and offset |
| // will be updated to point to it. |
| // |EncodeIndirectDrawValidationCommands| is called at the end of encoding the |
| // render pass, while the |cmd| pointer is still valid. |
| cmd->indirectBuffer = nullptr; |
| |
| mIndirectDrawMetadata.AddIndexedIndirectDraw( |
| mCommandBufferState.GetIndexFormat(), |
| mCommandBufferState.GetIndexBufferSize(), indirectBuffer, indirectOffset, |
| cmd); |
| } else { |
| cmd->indirectBuffer = indirectBuffer; |
| cmd->indirectOffset = indirectOffset; |
| } |
| |
| // TODO(crbug.com/dawn/1166): Adding the indirectBuffer is needed for correct usage |
| // validation, but it will unecessarily transition to indirectBuffer usage in the |
| // backend. |
| mUsageTracker.BufferUsedAs(indirectBuffer, wgpu::BufferUsage::Indirect); |
| |
| return {}; |
| }, |
| "encoding %s.DrawIndexedIndirect(%s, %u).", this, indirectBuffer, indirectOffset); |
| } |
| |
| void RenderEncoderBase::APISetPipeline(RenderPipelineBase* pipeline) { |
| mEncodingContext->TryEncode( |
| this, |
| [&](CommandAllocator* allocator) -> MaybeError { |
| if (IsValidationEnabled()) { |
| DAWN_TRY(GetDevice()->ValidateObject(pipeline)); |
| |
| // TODO(dawn:563): More detail about why the states are incompatible would be |
| // nice. |
| DAWN_INVALID_IF( |
| pipeline->GetAttachmentState() != mAttachmentState.Get(), |
| "Attachment state of %s is not compatible with the attachment state of %s", |
| pipeline, this); |
| |
| DAWN_INVALID_IF(pipeline->WritesDepth() && mDepthReadOnly, |
| "%s writes depth while %s's depthReadOnly is true", pipeline, |
| this); |
| |
| DAWN_INVALID_IF(pipeline->WritesStencil() && mStencilReadOnly, |
| "%s writes stencil while %s's stencilReadOnly is true", |
| pipeline, this); |
| } |
| |
| mCommandBufferState.SetRenderPipeline(pipeline); |
| |
| SetRenderPipelineCmd* cmd = |
| allocator->Allocate<SetRenderPipelineCmd>(Command::SetRenderPipeline); |
| cmd->pipeline = pipeline; |
| |
| return {}; |
| }, |
| "encoding %s.SetPipeline(%s).", this, pipeline); |
| } |
| |
| void RenderEncoderBase::APISetIndexBuffer(BufferBase* buffer, |
| wgpu::IndexFormat format, |
| uint64_t offset, |
| uint64_t size) { |
| mEncodingContext->TryEncode( |
| this, |
| [&](CommandAllocator* allocator) -> MaybeError { |
| if (IsValidationEnabled()) { |
| DAWN_TRY(GetDevice()->ValidateObject(buffer)); |
| DAWN_TRY(ValidateCanUseAs(buffer, wgpu::BufferUsage::Index)); |
| |
| DAWN_TRY(ValidateIndexFormat(format)); |
| |
| DAWN_INVALID_IF(format == wgpu::IndexFormat::Undefined, |
| "Index format must be specified"); |
| |
| DAWN_INVALID_IF(offset % uint64_t(IndexFormatSize(format)) != 0, |
| "Index buffer offset (%u) is not a multiple of the size (%u)" |
| "of %s.", |
| offset, IndexFormatSize(format), format); |
| |
| uint64_t bufferSize = buffer->GetSize(); |
| DAWN_INVALID_IF(offset > bufferSize, |
| "Index buffer offset (%u) is larger than the size (%u) of %s.", |
| offset, bufferSize, buffer); |
| |
| uint64_t remainingSize = bufferSize - offset; |
| |
| // Temporarily treat 0 as undefined for size, and give a warning |
| // TODO(dawn:1058): Remove this if block |
| if (size == 0) { |
| size = wgpu::kWholeSize; |
| GetDevice()->EmitDeprecationWarning( |
| "Using size=0 to indicate default binding size for setIndexBuffer " |
| "is deprecated. In the future it will result in a zero-size binding. " |
| "Use `undefined` (wgpu::kWholeSize) or just omit the parameter " |
| "instead."); |
| } |
| |
| if (size == wgpu::kWholeSize) { |
| size = remainingSize; |
| } else { |
| DAWN_INVALID_IF(size > remainingSize, |
| "Index buffer range (offset: %u, size: %u) doesn't fit in " |
| "the size (%u) of " |
| "%s.", |
| offset, size, bufferSize, buffer); |
| } |
| } else { |
| if (size == wgpu::kWholeSize) { |
| DAWN_ASSERT(buffer->GetSize() >= offset); |
| size = buffer->GetSize() - offset; |
| } |
| } |
| |
| mCommandBufferState.SetIndexBuffer(format, size); |
| |
| SetIndexBufferCmd* cmd = |
| allocator->Allocate<SetIndexBufferCmd>(Command::SetIndexBuffer); |
| cmd->buffer = buffer; |
| cmd->format = format; |
| cmd->offset = offset; |
| cmd->size = size; |
| |
| mUsageTracker.BufferUsedAs(buffer, wgpu::BufferUsage::Index); |
| |
| return {}; |
| }, |
| "encoding %s.SetIndexBuffer(%s, %s, %u, %u).", this, buffer, format, offset, size); |
| } |
| |
| void RenderEncoderBase::APISetVertexBuffer(uint32_t slot, |
| BufferBase* buffer, |
| uint64_t offset, |
| uint64_t size) { |
| mEncodingContext->TryEncode( |
| this, |
| [&](CommandAllocator* allocator) -> MaybeError { |
| if (IsValidationEnabled()) { |
| DAWN_TRY(GetDevice()->ValidateObject(buffer)); |
| DAWN_TRY(ValidateCanUseAs(buffer, wgpu::BufferUsage::Vertex)); |
| |
| DAWN_INVALID_IF(slot >= kMaxVertexBuffers, |
| "Vertex buffer slot (%u) is larger the maximum (%u)", slot, |
| kMaxVertexBuffers - 1); |
| |
| DAWN_INVALID_IF(offset % 4 != 0, |
| "Vertex buffer offset (%u) is not a multiple of 4", offset); |
| |
| uint64_t bufferSize = buffer->GetSize(); |
| DAWN_INVALID_IF(offset > bufferSize, |
| "Vertex buffer offset (%u) is larger than the size (%u) of %s.", |
| offset, bufferSize, buffer); |
| |
| uint64_t remainingSize = bufferSize - offset; |
| |
| // Temporarily treat 0 as undefined for size, and give a warning |
| // TODO(dawn:1058): Remove this if block |
| if (size == 0) { |
| size = wgpu::kWholeSize; |
| GetDevice()->EmitDeprecationWarning( |
| "Using size=0 to indicate default binding size for setVertexBuffer " |
| "is deprecated. In the future it will result in a zero-size binding. " |
| "Use `undefined` (wgpu::kWholeSize) or just omit the parameter " |
| "instead."); |
| } |
| |
| if (size == wgpu::kWholeSize) { |
| size = remainingSize; |
| } else { |
| DAWN_INVALID_IF(size > remainingSize, |
| "Vertex buffer range (offset: %u, size: %u) doesn't fit in " |
| "the size (%u) " |
| "of %s.", |
| offset, size, bufferSize, buffer); |
| } |
| } else { |
| if (size == wgpu::kWholeSize) { |
| DAWN_ASSERT(buffer->GetSize() >= offset); |
| size = buffer->GetSize() - offset; |
| } |
| } |
| |
| mCommandBufferState.SetVertexBuffer(VertexBufferSlot(uint8_t(slot)), size); |
| |
| SetVertexBufferCmd* cmd = |
| allocator->Allocate<SetVertexBufferCmd>(Command::SetVertexBuffer); |
| cmd->slot = VertexBufferSlot(static_cast<uint8_t>(slot)); |
| cmd->buffer = buffer; |
| cmd->offset = offset; |
| cmd->size = size; |
| |
| mUsageTracker.BufferUsedAs(buffer, wgpu::BufferUsage::Vertex); |
| |
| return {}; |
| }, |
| "encoding %s.SetVertexBuffer(%u, %s, %u, %u).", this, slot, buffer, offset, size); |
| } |
| |
| void RenderEncoderBase::APISetBindGroup(uint32_t groupIndexIn, |
| BindGroupBase* group, |
| uint32_t dynamicOffsetCount, |
| const uint32_t* dynamicOffsets) { |
| mEncodingContext->TryEncode( |
| this, |
| [&](CommandAllocator* allocator) -> MaybeError { |
| BindGroupIndex groupIndex(groupIndexIn); |
| |
| if (IsValidationEnabled()) { |
| DAWN_TRY(ValidateSetBindGroup(groupIndex, group, dynamicOffsetCount, |
| dynamicOffsets)); |
| } |
| |
| RecordSetBindGroup(allocator, groupIndex, group, dynamicOffsetCount, |
| dynamicOffsets); |
| mCommandBufferState.SetBindGroup(groupIndex, group, dynamicOffsetCount, |
| dynamicOffsets); |
| mUsageTracker.AddBindGroup(group); |
| |
| return {}; |
| }, |
| "encoding %s.SetBindGroup(%u, %s, %u, ...).", this, groupIndexIn, group, |
| dynamicOffsetCount); |
| } |
| |
| } // namespace dawn_native |
