| // Copyright 2017 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/CommandBuffer.h" |
| |
| #include "dawn_native/BindGroup.h" |
| #include "dawn_native/Buffer.h" |
| #include "dawn_native/CommandBufferStateTracker.h" |
| #include "dawn_native/Commands.h" |
| #include "dawn_native/ComputePipeline.h" |
| #include "dawn_native/Device.h" |
| #include "dawn_native/InputState.h" |
| #include "dawn_native/PipelineLayout.h" |
| #include "dawn_native/RenderPipeline.h" |
| #include "dawn_native/Texture.h" |
| |
| #include <cstring> |
| #include <map> |
| |
| namespace dawn_native { |
| |
| namespace { |
| |
| MaybeError ValidateCopyLocationFitsInTexture(const TextureCopyLocation& location) { |
| const TextureBase* texture = location.texture.Get(); |
| if (location.level >= texture->GetNumMipLevels()) { |
| return DAWN_VALIDATION_ERROR("Copy mip-level out of range"); |
| } |
| |
| if (location.slice >= texture->GetArrayLayers()) { |
| return DAWN_VALIDATION_ERROR("Copy array-layer out of range"); |
| } |
| |
| // All texture dimensions are in uint32_t so by doing checks in uint64_t we avoid |
| // overflows. |
| uint64_t level = location.level; |
| if (uint64_t(location.x) + uint64_t(location.width) > |
| (static_cast<uint64_t>(texture->GetSize().width) >> level) || |
| uint64_t(location.y) + uint64_t(location.height) > |
| (static_cast<uint64_t>(texture->GetSize().height) >> level)) { |
| return DAWN_VALIDATION_ERROR("Copy would touch outside of the texture"); |
| } |
| |
| // TODO(cwallez@chromium.org): Check the depth bound differently for 2D arrays and 3D |
| // textures |
| if (location.z != 0 || location.depth != 1) { |
| return DAWN_VALIDATION_ERROR("No support for z != 0 and depth != 1 for now"); |
| } |
| |
| return {}; |
| } |
| |
| bool FitsInBuffer(const BufferBase* buffer, uint32_t offset, uint32_t size) { |
| uint32_t bufferSize = buffer->GetSize(); |
| return offset <= bufferSize && (size <= (bufferSize - offset)); |
| } |
| |
| MaybeError ValidateCopySizeFitsInBuffer(const BufferCopyLocation& location, |
| uint32_t dataSize) { |
| if (!FitsInBuffer(location.buffer.Get(), location.offset, dataSize)) { |
| return DAWN_VALIDATION_ERROR("Copy would overflow the buffer"); |
| } |
| |
| return {}; |
| } |
| |
| MaybeError ValidateTexelBufferOffset(TextureBase* texture, |
| const BufferCopyLocation& location) { |
| uint32_t texelSize = |
| static_cast<uint32_t>(TextureFormatPixelSize(texture->GetFormat())); |
| if (location.offset % texelSize != 0) { |
| return DAWN_VALIDATION_ERROR("Buffer offset must be a multiple of the texel size"); |
| } |
| |
| return {}; |
| } |
| |
| MaybeError ComputeTextureCopyBufferSize(const TextureCopyLocation& location, |
| uint32_t rowPitch, |
| uint32_t* bufferSize) { |
| // TODO(cwallez@chromium.org): check for overflows |
| *bufferSize = (rowPitch * (location.height - 1) + location.width) * location.depth; |
| |
| return {}; |
| } |
| |
| uint32_t ComputeDefaultRowPitch(TextureBase* texture, uint32_t width) { |
| uint32_t texelSize = TextureFormatPixelSize(texture->GetFormat()); |
| return texelSize * width; |
| } |
| |
| MaybeError ValidateRowPitch(const TextureCopyLocation& location, uint32_t rowPitch) { |
| if (rowPitch % kTextureRowPitchAlignment != 0) { |
| return DAWN_VALIDATION_ERROR("Row pitch must be a multiple of 256"); |
| } |
| |
| uint32_t texelSize = TextureFormatPixelSize(location.texture.Get()->GetFormat()); |
| if (rowPitch < location.width * texelSize) { |
| return DAWN_VALIDATION_ERROR( |
| "Row pitch must not be less than the number of bytes per row"); |
| } |
| |
| return {}; |
| } |
| |
| MaybeError ValidateCanUseAs(BufferBase* buffer, dawn::BufferUsageBit usage) { |
| ASSERT(HasZeroOrOneBits(usage)); |
| if (!(buffer->GetUsage() & usage)) { |
| return DAWN_VALIDATION_ERROR("buffer doesn't have the required usage."); |
| } |
| |
| return {}; |
| } |
| |
| MaybeError ValidateCanUseAs(TextureBase* texture, dawn::TextureUsageBit usage) { |
| ASSERT(HasZeroOrOneBits(usage)); |
| if (!(texture->GetUsage() & usage)) { |
| return DAWN_VALIDATION_ERROR("texture doesn't have the required usage."); |
| } |
| |
| return {}; |
| } |
| |
| enum class PassType { |
| Render, |
| Compute, |
| }; |
| |
| // Helper class to encapsulate the logic of tracking per-resource usage during the |
| // validation of command buffer passes. It is used both to know if there are validation |
| // errors, and to get a list of resources used per pass for backends that need the |
| // information. |
| class PassResourceUsageTracker { |
| public: |
| void BufferUsedAs(BufferBase* buffer, dawn::BufferUsageBit usage) { |
| // std::map's operator[] will create the key and return 0 if the key didn't exist |
| // before. |
| dawn::BufferUsageBit& storedUsage = mBufferUsages[buffer]; |
| |
| if (usage == dawn::BufferUsageBit::Storage && |
| storedUsage & dawn::BufferUsageBit::Storage) { |
| mStorageUsedMultipleTimes = true; |
| } |
| |
| storedUsage |= usage; |
| } |
| |
| void TextureUsedAs(TextureBase* texture, dawn::TextureUsageBit usage) { |
| // std::map's operator[] will create the key and return 0 if the key didn't exist |
| // before. |
| dawn::TextureUsageBit& storedUsage = mTextureUsages[texture]; |
| |
| if (usage == dawn::TextureUsageBit::Storage && |
| storedUsage & dawn::TextureUsageBit::Storage) { |
| mStorageUsedMultipleTimes = true; |
| } |
| |
| storedUsage |= usage; |
| } |
| |
| // Performs the per-pass usage validation checks |
| MaybeError ValidateUsages(PassType pass) const { |
| // Storage resources cannot be used twice in the same compute pass |
| if (pass == PassType::Compute && mStorageUsedMultipleTimes) { |
| return DAWN_VALIDATION_ERROR( |
| "Storage resource used multiple times in compute pass"); |
| } |
| |
| // Buffers can only be used as single-write or multiple read. |
| for (auto& it : mBufferUsages) { |
| BufferBase* buffer = it.first; |
| dawn::BufferUsageBit usage = it.second; |
| |
| if (usage & ~buffer->GetUsage()) { |
| return DAWN_VALIDATION_ERROR("Buffer missing usage for the pass"); |
| } |
| |
| bool readOnly = (usage & kReadOnlyBufferUsages) == usage; |
| bool singleUse = dawn::HasZeroOrOneBits(usage); |
| |
| if (!readOnly && !singleUse) { |
| return DAWN_VALIDATION_ERROR( |
| "Buffer used as writeable usage and another usage in pass"); |
| } |
| } |
| |
| // Textures can only be used as single-write or multiple read. |
| // TODO(cwallez@chromium.org): implement per-subresource tracking |
| for (auto& it : mTextureUsages) { |
| TextureBase* texture = it.first; |
| dawn::TextureUsageBit usage = it.second; |
| |
| if (usage & ~texture->GetUsage()) { |
| return DAWN_VALIDATION_ERROR("Texture missing usage for the pass"); |
| } |
| |
| // For textures the only read-only usage in a pass is Sampled, so checking the |
| // usage constraint simplifies to checking a single usage bit is set. |
| if (!dawn::HasZeroOrOneBits(it.second)) { |
| return DAWN_VALIDATION_ERROR( |
| "Texture used with more than one usage in pass"); |
| } |
| } |
| |
| return {}; |
| } |
| |
| // Returns the per-pass usage for use by backends for APIs with explicit barriers. |
| PassResourceUsage AcquireResourceUsage() { |
| PassResourceUsage result; |
| result.buffers.reserve(mBufferUsages.size()); |
| result.bufferUsages.reserve(mBufferUsages.size()); |
| result.textures.reserve(mTextureUsages.size()); |
| result.textureUsages.reserve(mTextureUsages.size()); |
| |
| for (auto& it : mBufferUsages) { |
| result.buffers.push_back(it.first); |
| result.bufferUsages.push_back(it.second); |
| } |
| |
| for (auto& it : mTextureUsages) { |
| result.textures.push_back(it.first); |
| result.textureUsages.push_back(it.second); |
| } |
| |
| return result; |
| } |
| |
| private: |
| std::map<BufferBase*, dawn::BufferUsageBit> mBufferUsages; |
| std::map<TextureBase*, dawn::TextureUsageBit> mTextureUsages; |
| bool mStorageUsedMultipleTimes = false; |
| }; |
| |
| void TrackBindGroupResourceUsage(BindGroupBase* group, PassResourceUsageTracker* tracker) { |
| const auto& layoutInfo = group->GetLayout()->GetBindingInfo(); |
| |
| for (uint32_t i : IterateBitSet(layoutInfo.mask)) { |
| dawn::BindingType type = layoutInfo.types[i]; |
| |
| switch (type) { |
| case dawn::BindingType::UniformBuffer: { |
| BufferBase* buffer = group->GetBindingAsBufferView(i)->GetBuffer(); |
| tracker->BufferUsedAs(buffer, dawn::BufferUsageBit::Uniform); |
| } break; |
| |
| case dawn::BindingType::StorageBuffer: { |
| BufferBase* buffer = group->GetBindingAsBufferView(i)->GetBuffer(); |
| tracker->BufferUsedAs(buffer, dawn::BufferUsageBit::Storage); |
| } break; |
| |
| case dawn::BindingType::SampledTexture: { |
| TextureBase* texture = group->GetBindingAsTextureView(i)->GetTexture(); |
| tracker->TextureUsedAs(texture, dawn::TextureUsageBit::Sampled); |
| } break; |
| |
| case dawn::BindingType::Sampler: |
| break; |
| } |
| } |
| } |
| |
| } // namespace |
| |
| // CommandBuffer |
| |
| CommandBufferBase::CommandBufferBase(CommandBufferBuilder* builder) |
| : mDevice(builder->mDevice) { |
| } |
| |
| DeviceBase* CommandBufferBase::GetDevice() { |
| return mDevice; |
| } |
| |
| // CommandBufferBuilder |
| |
| CommandBufferBuilder::CommandBufferBuilder(DeviceBase* device) : Builder(device) { |
| } |
| |
| CommandBufferBuilder::~CommandBufferBuilder() { |
| if (!mWereCommandsAcquired) { |
| MoveToIterator(); |
| FreeCommands(&mIterator); |
| } |
| } |
| |
| CommandIterator CommandBufferBuilder::AcquireCommands() { |
| ASSERT(!mWereCommandsAcquired); |
| mWereCommandsAcquired = true; |
| return std::move(mIterator); |
| } |
| |
| std::vector<PassResourceUsage> CommandBufferBuilder::AcquirePassResourceUsage() { |
| ASSERT(!mWerePassUsagesAcquired); |
| mWerePassUsagesAcquired = true; |
| return std::move(mPassResourceUsages); |
| } |
| |
| CommandBufferBase* CommandBufferBuilder::GetResultImpl() { |
| MoveToIterator(); |
| return mDevice->CreateCommandBuffer(this); |
| } |
| |
| void CommandBufferBuilder::MoveToIterator() { |
| if (!mWasMovedToIterator) { |
| mIterator = std::move(mAllocator); |
| mWasMovedToIterator = true; |
| } |
| } |
| |
| // Implementation of the command buffer validation that can be precomputed before submit |
| |
| MaybeError CommandBufferBuilder::ValidateGetResult() { |
| MoveToIterator(); |
| mIterator.Reset(); |
| |
| Command type; |
| while (mIterator.NextCommandId(&type)) { |
| switch (type) { |
| case Command::BeginComputePass: { |
| mIterator.NextCommand<BeginComputePassCmd>(); |
| DAWN_TRY(ValidateComputePass()); |
| } break; |
| |
| case Command::BeginRenderPass: { |
| BeginRenderPassCmd* cmd = mIterator.NextCommand<BeginRenderPassCmd>(); |
| DAWN_TRY(ValidateRenderPass(cmd->info.Get())); |
| } break; |
| |
| case Command::CopyBufferToBuffer: { |
| CopyBufferToBufferCmd* copy = mIterator.NextCommand<CopyBufferToBufferCmd>(); |
| |
| DAWN_TRY(ValidateCopySizeFitsInBuffer(copy->source, copy->size)); |
| DAWN_TRY(ValidateCopySizeFitsInBuffer(copy->destination, copy->size)); |
| |
| DAWN_TRY(ValidateCanUseAs(copy->source.buffer.Get(), |
| dawn::BufferUsageBit::TransferSrc)); |
| DAWN_TRY(ValidateCanUseAs(copy->destination.buffer.Get(), |
| dawn::BufferUsageBit::TransferDst)); |
| } break; |
| |
| case Command::CopyBufferToTexture: { |
| CopyBufferToTextureCmd* copy = mIterator.NextCommand<CopyBufferToTextureCmd>(); |
| |
| uint32_t bufferCopySize = 0; |
| DAWN_TRY(ValidateRowPitch(copy->destination, copy->rowPitch)); |
| DAWN_TRY(ComputeTextureCopyBufferSize(copy->destination, copy->rowPitch, |
| &bufferCopySize)); |
| |
| DAWN_TRY(ValidateCopyLocationFitsInTexture(copy->destination)); |
| DAWN_TRY(ValidateCopySizeFitsInBuffer(copy->source, bufferCopySize)); |
| DAWN_TRY( |
| ValidateTexelBufferOffset(copy->destination.texture.Get(), copy->source)); |
| |
| DAWN_TRY(ValidateCanUseAs(copy->source.buffer.Get(), |
| dawn::BufferUsageBit::TransferSrc)); |
| DAWN_TRY(ValidateCanUseAs(copy->destination.texture.Get(), |
| dawn::TextureUsageBit::TransferDst)); |
| } break; |
| |
| case Command::CopyTextureToBuffer: { |
| CopyTextureToBufferCmd* copy = mIterator.NextCommand<CopyTextureToBufferCmd>(); |
| |
| uint32_t bufferCopySize = 0; |
| DAWN_TRY(ValidateRowPitch(copy->source, copy->rowPitch)); |
| DAWN_TRY(ComputeTextureCopyBufferSize(copy->source, copy->rowPitch, |
| &bufferCopySize)); |
| |
| DAWN_TRY(ValidateCopyLocationFitsInTexture(copy->source)); |
| DAWN_TRY(ValidateCopySizeFitsInBuffer(copy->destination, bufferCopySize)); |
| DAWN_TRY( |
| ValidateTexelBufferOffset(copy->source.texture.Get(), copy->destination)); |
| |
| DAWN_TRY(ValidateCanUseAs(copy->source.texture.Get(), |
| dawn::TextureUsageBit::TransferSrc)); |
| DAWN_TRY(ValidateCanUseAs(copy->destination.buffer.Get(), |
| dawn::BufferUsageBit::TransferDst)); |
| } break; |
| |
| default: |
| return DAWN_VALIDATION_ERROR("Command disallowed outside of a pass"); |
| } |
| } |
| |
| return {}; |
| } |
| |
| MaybeError CommandBufferBuilder::ValidateComputePass() { |
| PassResourceUsageTracker usageTracker; |
| CommandBufferStateTracker persistentState; |
| |
| Command type; |
| while (mIterator.NextCommandId(&type)) { |
| switch (type) { |
| case Command::EndComputePass: { |
| mIterator.NextCommand<EndComputePassCmd>(); |
| |
| DAWN_TRY(usageTracker.ValidateUsages(PassType::Compute)); |
| mPassResourceUsages.push_back(usageTracker.AcquireResourceUsage()); |
| return {}; |
| } break; |
| |
| case Command::Dispatch: { |
| mIterator.NextCommand<DispatchCmd>(); |
| DAWN_TRY(persistentState.ValidateCanDispatch()); |
| } break; |
| |
| case Command::SetComputePipeline: { |
| SetComputePipelineCmd* cmd = mIterator.NextCommand<SetComputePipelineCmd>(); |
| ComputePipelineBase* pipeline = cmd->pipeline.Get(); |
| persistentState.SetComputePipeline(pipeline); |
| } break; |
| |
| case Command::SetPushConstants: { |
| SetPushConstantsCmd* cmd = mIterator.NextCommand<SetPushConstantsCmd>(); |
| mIterator.NextData<uint32_t>(cmd->count); |
| // Validation of count and offset has already been done when the command was |
| // recorded because it impacts the size of an allocation in the |
| // CommandAllocator. |
| if (cmd->stages & ~dawn::ShaderStageBit::Compute) { |
| return DAWN_VALIDATION_ERROR( |
| "SetPushConstants stage must be compute or 0 in compute passes"); |
| } |
| } break; |
| |
| case Command::SetBindGroup: { |
| SetBindGroupCmd* cmd = mIterator.NextCommand<SetBindGroupCmd>(); |
| |
| TrackBindGroupResourceUsage(cmd->group.Get(), &usageTracker); |
| persistentState.SetBindGroup(cmd->index, cmd->group.Get()); |
| } break; |
| |
| default: |
| return DAWN_VALIDATION_ERROR("Command disallowed inside a compute pass"); |
| } |
| } |
| |
| return DAWN_VALIDATION_ERROR("Unfinished compute pass"); |
| } |
| |
| MaybeError CommandBufferBuilder::ValidateRenderPass(RenderPassDescriptorBase* renderPass) { |
| PassResourceUsageTracker usageTracker; |
| CommandBufferStateTracker persistentState; |
| |
| // Track usage of the render pass attachments |
| for (uint32_t i : IterateBitSet(renderPass->GetColorAttachmentMask())) { |
| TextureBase* texture = renderPass->GetColorAttachment(i).view->GetTexture(); |
| usageTracker.TextureUsedAs(texture, dawn::TextureUsageBit::OutputAttachment); |
| } |
| |
| if (renderPass->HasDepthStencilAttachment()) { |
| TextureBase* texture = renderPass->GetDepthStencilAttachment().view->GetTexture(); |
| usageTracker.TextureUsedAs(texture, dawn::TextureUsageBit::OutputAttachment); |
| } |
| |
| Command type; |
| while (mIterator.NextCommandId(&type)) { |
| switch (type) { |
| case Command::EndRenderPass: { |
| mIterator.NextCommand<EndRenderPassCmd>(); |
| |
| DAWN_TRY(usageTracker.ValidateUsages(PassType::Render)); |
| mPassResourceUsages.push_back(usageTracker.AcquireResourceUsage()); |
| return {}; |
| } break; |
| |
| case Command::DrawArrays: { |
| mIterator.NextCommand<DrawArraysCmd>(); |
| DAWN_TRY(persistentState.ValidateCanDrawArrays()); |
| } break; |
| |
| case Command::DrawElements: { |
| mIterator.NextCommand<DrawElementsCmd>(); |
| DAWN_TRY(persistentState.ValidateCanDrawElements()); |
| } break; |
| |
| case Command::SetRenderPipeline: { |
| SetRenderPipelineCmd* cmd = mIterator.NextCommand<SetRenderPipelineCmd>(); |
| RenderPipelineBase* pipeline = cmd->pipeline.Get(); |
| |
| if (!pipeline->IsCompatibleWith(renderPass)) { |
| return DAWN_VALIDATION_ERROR( |
| "Pipeline is incompatible with this render pass"); |
| } |
| |
| persistentState.SetRenderPipeline(pipeline); |
| } break; |
| |
| case Command::SetPushConstants: { |
| SetPushConstantsCmd* cmd = mIterator.NextCommand<SetPushConstantsCmd>(); |
| mIterator.NextData<uint32_t>(cmd->count); |
| // Validation of count and offset has already been done when the command was |
| // recorded because it impacts the size of an allocation in the |
| // CommandAllocator. |
| if (cmd->stages & |
| ~(dawn::ShaderStageBit::Vertex | dawn::ShaderStageBit::Fragment)) { |
| return DAWN_VALIDATION_ERROR( |
| "SetPushConstants stage must be a subset of (vertex|fragment) in " |
| "render passes"); |
| } |
| } break; |
| |
| case Command::SetStencilReference: { |
| mIterator.NextCommand<SetStencilReferenceCmd>(); |
| } break; |
| |
| case Command::SetBlendColor: { |
| mIterator.NextCommand<SetBlendColorCmd>(); |
| } break; |
| |
| case Command::SetScissorRect: { |
| mIterator.NextCommand<SetScissorRectCmd>(); |
| } break; |
| |
| case Command::SetBindGroup: { |
| SetBindGroupCmd* cmd = mIterator.NextCommand<SetBindGroupCmd>(); |
| |
| TrackBindGroupResourceUsage(cmd->group.Get(), &usageTracker); |
| persistentState.SetBindGroup(cmd->index, cmd->group.Get()); |
| } break; |
| |
| case Command::SetIndexBuffer: { |
| SetIndexBufferCmd* cmd = mIterator.NextCommand<SetIndexBufferCmd>(); |
| |
| usageTracker.BufferUsedAs(cmd->buffer.Get(), dawn::BufferUsageBit::Index); |
| persistentState.SetIndexBuffer(); |
| } break; |
| |
| case Command::SetVertexBuffers: { |
| SetVertexBuffersCmd* cmd = mIterator.NextCommand<SetVertexBuffersCmd>(); |
| auto buffers = mIterator.NextData<Ref<BufferBase>>(cmd->count); |
| mIterator.NextData<uint32_t>(cmd->count); |
| |
| for (uint32_t i = 0; i < cmd->count; ++i) { |
| usageTracker.BufferUsedAs(buffers[i].Get(), dawn::BufferUsageBit::Vertex); |
| } |
| persistentState.SetVertexBuffer(cmd->startSlot, cmd->count); |
| } break; |
| |
| default: |
| return DAWN_VALIDATION_ERROR("Command disallowed inside a render pass"); |
| } |
| } |
| |
| return DAWN_VALIDATION_ERROR("Unfinished render pass"); |
| } |
| |
| // Implementation of the API's command recording methods |
| |
| void CommandBufferBuilder::BeginComputePass() { |
| mAllocator.Allocate<BeginComputePassCmd>(Command::BeginComputePass); |
| } |
| |
| void CommandBufferBuilder::BeginRenderPass(RenderPassDescriptorBase* info) { |
| BeginRenderPassCmd* cmd = mAllocator.Allocate<BeginRenderPassCmd>(Command::BeginRenderPass); |
| new (cmd) BeginRenderPassCmd; |
| cmd->info = info; |
| } |
| |
| void CommandBufferBuilder::CopyBufferToBuffer(BufferBase* source, |
| uint32_t sourceOffset, |
| BufferBase* destination, |
| uint32_t destinationOffset, |
| uint32_t size) { |
| CopyBufferToBufferCmd* copy = |
| mAllocator.Allocate<CopyBufferToBufferCmd>(Command::CopyBufferToBuffer); |
| new (copy) CopyBufferToBufferCmd; |
| copy->source.buffer = source; |
| copy->source.offset = sourceOffset; |
| copy->destination.buffer = destination; |
| copy->destination.offset = destinationOffset; |
| copy->size = size; |
| } |
| |
| void CommandBufferBuilder::CopyBufferToTexture(BufferBase* buffer, |
| uint32_t bufferOffset, |
| uint32_t rowPitch, |
| TextureBase* texture, |
| uint32_t x, |
| uint32_t y, |
| uint32_t z, |
| uint32_t width, |
| uint32_t height, |
| uint32_t depth, |
| uint32_t level, |
| uint32_t slice) { |
| if (rowPitch == 0) { |
| rowPitch = ComputeDefaultRowPitch(texture, width); |
| } |
| CopyBufferToTextureCmd* copy = |
| mAllocator.Allocate<CopyBufferToTextureCmd>(Command::CopyBufferToTexture); |
| new (copy) CopyBufferToTextureCmd; |
| copy->source.buffer = buffer; |
| copy->source.offset = bufferOffset; |
| copy->destination.texture = texture; |
| copy->destination.x = x; |
| copy->destination.y = y; |
| copy->destination.z = z; |
| copy->destination.width = width; |
| copy->destination.height = height; |
| copy->destination.depth = depth; |
| copy->destination.level = level; |
| copy->destination.slice = slice; |
| copy->rowPitch = rowPitch; |
| } |
| |
| void CommandBufferBuilder::CopyTextureToBuffer(TextureBase* texture, |
| uint32_t x, |
| uint32_t y, |
| uint32_t z, |
| uint32_t width, |
| uint32_t height, |
| uint32_t depth, |
| uint32_t level, |
| uint32_t slice, |
| BufferBase* buffer, |
| uint32_t bufferOffset, |
| uint32_t rowPitch) { |
| if (rowPitch == 0) { |
| rowPitch = ComputeDefaultRowPitch(texture, width); |
| } |
| CopyTextureToBufferCmd* copy = |
| mAllocator.Allocate<CopyTextureToBufferCmd>(Command::CopyTextureToBuffer); |
| new (copy) CopyTextureToBufferCmd; |
| copy->source.texture = texture; |
| copy->source.x = x; |
| copy->source.y = y; |
| copy->source.z = z; |
| copy->source.width = width; |
| copy->source.height = height; |
| copy->source.depth = depth; |
| copy->source.level = level; |
| copy->source.slice = slice; |
| copy->destination.buffer = buffer; |
| copy->destination.offset = bufferOffset; |
| copy->rowPitch = rowPitch; |
| } |
| |
| void CommandBufferBuilder::Dispatch(uint32_t x, uint32_t y, uint32_t z) { |
| DispatchCmd* dispatch = mAllocator.Allocate<DispatchCmd>(Command::Dispatch); |
| new (dispatch) DispatchCmd; |
| dispatch->x = x; |
| dispatch->y = y; |
| dispatch->z = z; |
| } |
| |
| void CommandBufferBuilder::DrawArrays(uint32_t vertexCount, |
| uint32_t instanceCount, |
| uint32_t firstVertex, |
| uint32_t firstInstance) { |
| DrawArraysCmd* draw = mAllocator.Allocate<DrawArraysCmd>(Command::DrawArrays); |
| new (draw) DrawArraysCmd; |
| draw->vertexCount = vertexCount; |
| draw->instanceCount = instanceCount; |
| draw->firstVertex = firstVertex; |
| draw->firstInstance = firstInstance; |
| } |
| |
| void CommandBufferBuilder::DrawElements(uint32_t indexCount, |
| uint32_t instanceCount, |
| uint32_t firstIndex, |
| uint32_t firstInstance) { |
| DrawElementsCmd* draw = mAllocator.Allocate<DrawElementsCmd>(Command::DrawElements); |
| new (draw) DrawElementsCmd; |
| draw->indexCount = indexCount; |
| draw->instanceCount = instanceCount; |
| draw->firstIndex = firstIndex; |
| draw->firstInstance = firstInstance; |
| } |
| |
| void CommandBufferBuilder::EndComputePass() { |
| mAllocator.Allocate<EndComputePassCmd>(Command::EndComputePass); |
| } |
| |
| void CommandBufferBuilder::EndRenderPass() { |
| mAllocator.Allocate<EndRenderPassCmd>(Command::EndRenderPass); |
| } |
| |
| void CommandBufferBuilder::SetComputePipeline(ComputePipelineBase* pipeline) { |
| SetComputePipelineCmd* cmd = |
| mAllocator.Allocate<SetComputePipelineCmd>(Command::SetComputePipeline); |
| new (cmd) SetComputePipelineCmd; |
| cmd->pipeline = pipeline; |
| } |
| |
| void CommandBufferBuilder::SetRenderPipeline(RenderPipelineBase* pipeline) { |
| SetRenderPipelineCmd* cmd = |
| mAllocator.Allocate<SetRenderPipelineCmd>(Command::SetRenderPipeline); |
| new (cmd) SetRenderPipelineCmd; |
| cmd->pipeline = pipeline; |
| } |
| |
| void CommandBufferBuilder::SetPushConstants(dawn::ShaderStageBit stages, |
| uint32_t offset, |
| uint32_t count, |
| const void* data) { |
| // TODO(cwallez@chromium.org): check for overflows |
| if (offset + count > kMaxPushConstants) { |
| HandleError("Setting too many push constants"); |
| return; |
| } |
| |
| SetPushConstantsCmd* cmd = |
| mAllocator.Allocate<SetPushConstantsCmd>(Command::SetPushConstants); |
| new (cmd) SetPushConstantsCmd; |
| cmd->stages = stages; |
| cmd->offset = offset; |
| cmd->count = count; |
| |
| uint32_t* values = mAllocator.AllocateData<uint32_t>(count); |
| memcpy(values, data, count * sizeof(uint32_t)); |
| } |
| |
| void CommandBufferBuilder::SetStencilReference(uint32_t reference) { |
| SetStencilReferenceCmd* cmd = |
| mAllocator.Allocate<SetStencilReferenceCmd>(Command::SetStencilReference); |
| new (cmd) SetStencilReferenceCmd; |
| cmd->reference = reference; |
| } |
| |
| void CommandBufferBuilder::SetBlendColor(float r, float g, float b, float a) { |
| SetBlendColorCmd* cmd = mAllocator.Allocate<SetBlendColorCmd>(Command::SetBlendColor); |
| new (cmd) SetBlendColorCmd; |
| cmd->r = r; |
| cmd->g = g; |
| cmd->b = b; |
| cmd->a = a; |
| } |
| |
| void CommandBufferBuilder::SetScissorRect(uint32_t x, |
| uint32_t y, |
| uint32_t width, |
| uint32_t height) { |
| SetScissorRectCmd* cmd = mAllocator.Allocate<SetScissorRectCmd>(Command::SetScissorRect); |
| new (cmd) SetScissorRectCmd; |
| cmd->x = x; |
| cmd->y = y; |
| cmd->width = width; |
| cmd->height = height; |
| } |
| |
| void CommandBufferBuilder::SetBindGroup(uint32_t groupIndex, BindGroupBase* group) { |
| if (groupIndex >= kMaxBindGroups) { |
| HandleError("Setting bind group over the max"); |
| return; |
| } |
| |
| SetBindGroupCmd* cmd = mAllocator.Allocate<SetBindGroupCmd>(Command::SetBindGroup); |
| new (cmd) SetBindGroupCmd; |
| cmd->index = groupIndex; |
| cmd->group = group; |
| } |
| |
| void CommandBufferBuilder::SetIndexBuffer(BufferBase* buffer, uint32_t offset) { |
| // TODO(kainino@chromium.org): validation |
| |
| SetIndexBufferCmd* cmd = mAllocator.Allocate<SetIndexBufferCmd>(Command::SetIndexBuffer); |
| new (cmd) SetIndexBufferCmd; |
| cmd->buffer = buffer; |
| cmd->offset = offset; |
| } |
| |
| void CommandBufferBuilder::SetVertexBuffers(uint32_t startSlot, |
| uint32_t count, |
| BufferBase* const* buffers, |
| uint32_t const* offsets) { |
| // TODO(kainino@chromium.org): validation |
| |
| SetVertexBuffersCmd* cmd = |
| mAllocator.Allocate<SetVertexBuffersCmd>(Command::SetVertexBuffers); |
| new (cmd) SetVertexBuffersCmd; |
| cmd->startSlot = startSlot; |
| cmd->count = count; |
| |
| Ref<BufferBase>* cmdBuffers = mAllocator.AllocateData<Ref<BufferBase>>(count); |
| for (size_t i = 0; i < count; ++i) { |
| new (&cmdBuffers[i]) Ref<BufferBase>(buffers[i]); |
| } |
| |
| uint32_t* cmdOffsets = mAllocator.AllocateData<uint32_t>(count); |
| memcpy(cmdOffsets, offsets, count * sizeof(uint32_t)); |
| } |
| |
| } // namespace dawn_native |
