mirror of
https://github.com/encounter/dawn-cmake.git
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113 lines
4.5 KiB
C++
113 lines
4.5 KiB
C++
// Copyright 2017 The NXT 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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#ifndef BACKEND_COMMANDBUFFER_H_
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#define BACKEND_COMMANDBUFFER_H_
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#include "nxt/nxtcpp.h"
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#include "backend/CommandAllocator.h"
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#include "backend/Builder.h"
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#include "backend/RefCounted.h"
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#include <memory>
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#include <set>
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#include <utility>
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namespace backend {
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class BindGroupBase;
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class BufferBase;
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class CommandBufferStateTracker;
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class FramebufferBase;
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class DeviceBase;
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class PipelineBase;
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class RenderPassBase;
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class TextureBase;
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class CommandBufferBuilder;
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class CommandBufferBase : public RefCounted {
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public:
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CommandBufferBase(CommandBufferBuilder* builder);
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bool ValidateResourceUsagesImmediate();
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DeviceBase* GetDevice();
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private:
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DeviceBase* device;
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std::set<BufferBase*> buffersTransitioned;
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std::set<TextureBase*> texturesTransitioned;
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};
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class CommandBufferBuilder : public Builder<CommandBufferBase> {
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public:
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CommandBufferBuilder(DeviceBase* device);
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~CommandBufferBuilder();
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bool ValidateGetResult();
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CommandIterator AcquireCommands();
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// NXT API
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void BeginComputePass();
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void BeginRenderPass(RenderPassBase* renderPass, FramebufferBase* framebuffer);
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void BeginRenderSubpass();
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void CopyBufferToBuffer(BufferBase* source, uint32_t sourceOffset, BufferBase* destination, uint32_t destinationOffset, uint32_t size);
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void CopyBufferToTexture(BufferBase* buffer, uint32_t bufferOffset, uint32_t rowPitch,
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TextureBase* texture, uint32_t x, uint32_t y, uint32_t z,
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uint32_t width, uint32_t height, uint32_t depth, uint32_t level);
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void CopyTextureToBuffer(TextureBase* texture, uint32_t x, uint32_t y, uint32_t z,
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uint32_t width, uint32_t height, uint32_t depth, uint32_t level,
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BufferBase* buffer, uint32_t bufferOffset, uint32_t rowPitch);
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void Dispatch(uint32_t x, uint32_t y, uint32_t z);
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void DrawArrays(uint32_t vertexCount, uint32_t instanceCount, uint32_t firstVertex, uint32_t firstInstance);
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void DrawElements(uint32_t vertexCount, uint32_t instanceCount, uint32_t firstIndex, uint32_t firstInstance);
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void EndComputePass();
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void EndRenderPass();
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void EndRenderSubpass();
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void SetPushConstants(nxt::ShaderStageBit stages, uint32_t offset, uint32_t count, const void* data);
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void SetComputePipeline(ComputePipelineBase* pipeline);
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void SetRenderPipeline(RenderPipelineBase* pipeline);
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void SetStencilReference(uint32_t reference);
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void SetBindGroup(uint32_t groupIndex, BindGroupBase* group);
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void SetIndexBuffer(BufferBase* buffer, uint32_t offset, nxt::IndexFormat format);
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template<typename T>
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void SetVertexBuffers(uint32_t startSlot, uint32_t count, T* const* buffers, uint32_t const* offsets) {
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static_assert(std::is_base_of<BufferBase, T>::value, "");
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SetVertexBuffers(startSlot, count, reinterpret_cast<BufferBase* const*>(buffers), offsets);
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}
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void SetVertexBuffers(uint32_t startSlot, uint32_t count, BufferBase* const* buffers, uint32_t const* offsets);
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void TransitionBufferUsage(BufferBase* buffer, nxt::BufferUsageBit usage);
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void TransitionTextureUsage(TextureBase* texture, nxt::TextureUsageBit usage);
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private:
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friend class CommandBufferBase;
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CommandBufferBase* GetResultImpl() override;
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void MoveToIterator();
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std::unique_ptr<CommandBufferStateTracker> state;
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CommandAllocator allocator;
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CommandIterator iterator;
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bool movedToIterator = false;
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bool commandsAcquired = false;
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};
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}
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#endif // BACKEND_COMMANDBUFFER_H_
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