| // 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/BufferLocation.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) |
| : ProgrammablePassEncoder(device, encodingContext), |
| mAttachmentState(std::move(attachmentState)), |
| mDisableBaseVertex(device->IsToggleEnabled(Toggle::DisableBaseVertex)), |
| mDisableBaseInstance(device->IsToggleEnabled(Toggle::DisableBaseInstance)) { |
| } |
| |
| RenderEncoderBase::RenderEncoderBase(DeviceBase* device, |
| EncodingContext* encodingContext, |
| ErrorTag errorTag) |
| : ProgrammablePassEncoder(device, encodingContext, errorTag), |
| mDisableBaseVertex(device->IsToggleEnabled(Toggle::DisableBaseVertex)), |
| mDisableBaseInstance(device->IsToggleEnabled(Toggle::DisableBaseInstance)) { |
| } |
| |
| const AttachmentState* RenderEncoderBase::GetAttachmentState() const { |
| ASSERT(!IsError()); |
| ASSERT(mAttachmentState != nullptr); |
| return mAttachmentState.Get(); |
| } |
| |
| 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()); |
| |
| if (mDisableBaseInstance && firstInstance != 0) { |
| return DAWN_VALIDATION_ERROR("Non-zero first instance not supported"); |
| } |
| |
| 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 {}; |
| }); |
| } |
| |
| 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()); |
| |
| if (mDisableBaseInstance && firstInstance != 0) { |
| return DAWN_VALIDATION_ERROR("Non-zero first instance not supported"); |
| } |
| if (mDisableBaseVertex && baseVertex != 0) { |
| return DAWN_VALIDATION_ERROR("Non-zero base vertex not supported"); |
| } |
| |
| 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 {}; |
| }); |
| } |
| |
| 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()); |
| |
| if (indirectOffset % 4 != 0) { |
| return DAWN_VALIDATION_ERROR("Indirect offset must be a multiple of 4"); |
| } |
| |
| if (indirectOffset >= indirectBuffer->GetSize() || |
| kDrawIndirectSize > indirectBuffer->GetSize() - indirectOffset) { |
| return DAWN_VALIDATION_ERROR("Indirect offset out of bounds"); |
| } |
| } |
| |
| DrawIndirectCmd* cmd = allocator->Allocate<DrawIndirectCmd>(Command::DrawIndirect); |
| cmd->indirectBuffer = indirectBuffer; |
| cmd->indirectOffset = indirectOffset; |
| |
| mUsageTracker.BufferUsedAs(indirectBuffer, wgpu::BufferUsage::Indirect); |
| |
| return {}; |
| }); |
| } |
| |
| 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()); |
| |
| if (indirectOffset % 4 != 0) { |
| return DAWN_VALIDATION_ERROR("Indirect offset must be a multiple of 4"); |
| } |
| |
| if ((indirectOffset >= indirectBuffer->GetSize() || |
| kDrawIndexedIndirectSize > indirectBuffer->GetSize() - indirectOffset)) { |
| return DAWN_VALIDATION_ERROR("Indirect offset out of bounds"); |
| } |
| } |
| |
| DrawIndexedIndirectCmd* cmd = |
| allocator->Allocate<DrawIndexedIndirectCmd>(Command::DrawIndexedIndirect); |
| if (IsValidationEnabled()) { |
| cmd->indirectBufferLocation = BufferLocation::New(); |
| mIndirectDrawMetadata.AddIndexedIndirectDraw( |
| mCommandBufferState.GetIndexFormat(), mCommandBufferState.GetIndexBufferSize(), |
| indirectBuffer, indirectOffset, cmd->indirectBufferLocation.Get()); |
| } else { |
| cmd->indirectBufferLocation = BufferLocation::New(indirectBuffer, indirectOffset); |
| } |
| |
| mUsageTracker.BufferUsedAs(indirectBuffer, wgpu::BufferUsage::Indirect); |
| |
| return {}; |
| }); |
| } |
| |
| void RenderEncoderBase::APISetPipeline(RenderPipelineBase* pipeline) { |
| mEncodingContext->TryEncode(this, [&](CommandAllocator* allocator) -> MaybeError { |
| if (IsValidationEnabled()) { |
| DAWN_TRY(GetDevice()->ValidateObject(pipeline)); |
| |
| if (pipeline->GetAttachmentState() != mAttachmentState.Get()) { |
| return DAWN_VALIDATION_ERROR( |
| "Pipeline attachment state is not compatible with render encoder " |
| "attachment state"); |
| } |
| } |
| |
| mCommandBufferState.SetRenderPipeline(pipeline); |
| |
| SetRenderPipelineCmd* cmd = |
| allocator->Allocate<SetRenderPipelineCmd>(Command::SetRenderPipeline); |
| cmd->pipeline = pipeline; |
| |
| return {}; |
| }); |
| } |
| |
| 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)); |
| if (format == wgpu::IndexFormat::Undefined) { |
| return DAWN_VALIDATION_ERROR("Index format must be specified"); |
| } |
| |
| if (offset % uint64_t(IndexFormatSize(format)) != 0) { |
| return DAWN_VALIDATION_ERROR( |
| "Offset must be a multiple of the index format size"); |
| } |
| |
| uint64_t bufferSize = buffer->GetSize(); |
| if (offset > bufferSize) { |
| return DAWN_VALIDATION_ERROR("Offset larger than the buffer size"); |
| } |
| uint64_t remainingSize = bufferSize - offset; |
| |
| if (size == 0) { |
| size = remainingSize; |
| } else { |
| if (size > remainingSize) { |
| return DAWN_VALIDATION_ERROR("Size + offset larger than the buffer size"); |
| } |
| } |
| } else { |
| if (size == 0) { |
| 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 {}; |
| }); |
| } |
| |
| 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)); |
| |
| if (slot >= kMaxVertexBuffers) { |
| return DAWN_VALIDATION_ERROR("Vertex buffer slot out of bounds"); |
| } |
| |
| if (offset % 4 != 0) { |
| return DAWN_VALIDATION_ERROR("Offset must be a multiple of 4"); |
| } |
| |
| uint64_t bufferSize = buffer->GetSize(); |
| if (offset > bufferSize) { |
| return DAWN_VALIDATION_ERROR("Offset larger than the buffer size"); |
| } |
| uint64_t remainingSize = bufferSize - offset; |
| |
| if (size == 0) { |
| size = remainingSize; |
| } else { |
| if (size > remainingSize) { |
| return DAWN_VALIDATION_ERROR("Size + offset larger than the buffer size"); |
| } |
| } |
| } else { |
| if (size == 0) { |
| 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 {}; |
| }); |
| } |
| |
| 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); |
| mUsageTracker.AddBindGroup(group); |
| |
| return {}; |
| }); |
| } |
| |
| } // namespace dawn_native |
