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1 // Copyright 2018 The SwiftShader Authors. All Rights Reserved.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //    http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef VK_COMMAND_BUFFER_HPP_
16 #define VK_COMMAND_BUFFER_HPP_
17 
18 #include "VkConfig.h"
19 #include "VkDescriptorSet.hpp"
20 #include "VkObject.hpp"
21 #include "Device/Color.hpp"
22 #include "Device/Context.hpp"
23 
24 #include <memory>
25 #include <vector>
26 
27 namespace sw {
28 
29 class Context;
30 class Renderer;
31 class TaskEvents;
32 
33 }  // namespace sw
34 
35 namespace vk {
36 
37 namespace dbg {
38 class File;
39 }  // namespace dbg
40 
41 class Device;
42 class Buffer;
43 class Event;
44 class Framebuffer;
45 class Image;
46 class Pipeline;
47 class PipelineLayout;
48 class QueryPool;
49 class RenderPass;
50 
51 class CommandBuffer
52 {
53 public:
GetAllocationScope()54 	static constexpr VkSystemAllocationScope GetAllocationScope() { return VK_SYSTEM_ALLOCATION_SCOPE_OBJECT; }
55 
56 	CommandBuffer(Device *device, VkCommandBufferLevel pLevel);
57 
Cast(VkCommandBuffer object)58 	static inline CommandBuffer *Cast(VkCommandBuffer object)
59 	{
60 		return reinterpret_cast<CommandBuffer *>(object);
61 	}
62 
63 	void destroy(const VkAllocationCallbacks *pAllocator);
64 
65 	VkResult begin(VkCommandBufferUsageFlags flags, const VkCommandBufferInheritanceInfo *pInheritanceInfo);
66 	VkResult end();
67 	VkResult reset(VkCommandPoolResetFlags flags);
68 
69 	void beginRenderPass(RenderPass *renderPass, Framebuffer *framebuffer, VkRect2D renderArea,
70 	                     uint32_t clearValueCount, const VkClearValue *pClearValues, VkSubpassContents contents);
71 	void nextSubpass(VkSubpassContents contents);
72 	void endRenderPass();
73 	void executeCommands(uint32_t commandBufferCount, const VkCommandBuffer *pCommandBuffers);
74 
75 	void setDeviceMask(uint32_t deviceMask);
76 	void dispatchBase(uint32_t baseGroupX, uint32_t baseGroupY, uint32_t baseGroupZ,
77 	                  uint32_t groupCountX, uint32_t groupCountY, uint32_t groupCountZ);
78 
79 	void pipelineBarrier(VkPipelineStageFlags srcStageMask, VkPipelineStageFlags dstStageMask, VkDependencyFlags dependencyFlags,
80 	                     uint32_t memoryBarrierCount, const VkMemoryBarrier *pMemoryBarriers,
81 	                     uint32_t bufferMemoryBarrierCount, const VkBufferMemoryBarrier *pBufferMemoryBarriers,
82 	                     uint32_t imageMemoryBarrierCount, const VkImageMemoryBarrier *pImageMemoryBarriers);
83 	void bindPipeline(VkPipelineBindPoint pipelineBindPoint, Pipeline *pipeline);
84 	void bindVertexBuffers(uint32_t firstBinding, uint32_t bindingCount,
85 	                       const VkBuffer *pBuffers, const VkDeviceSize *pOffsets);
86 
87 	void beginQuery(QueryPool *queryPool, uint32_t query, VkQueryControlFlags flags);
88 	void endQuery(QueryPool *queryPool, uint32_t query);
89 	void resetQueryPool(QueryPool *queryPool, uint32_t firstQuery, uint32_t queryCount);
90 	void writeTimestamp(VkPipelineStageFlagBits pipelineStage, QueryPool *queryPool, uint32_t query);
91 	void copyQueryPoolResults(const QueryPool *queryPool, uint32_t firstQuery, uint32_t queryCount,
92 	                          Buffer *dstBuffer, VkDeviceSize dstOffset, VkDeviceSize stride, VkQueryResultFlags flags);
93 	void pushConstants(PipelineLayout *layout, VkShaderStageFlags stageFlags,
94 	                   uint32_t offset, uint32_t size, const void *pValues);
95 
96 	void setViewport(uint32_t firstViewport, uint32_t viewportCount, const VkViewport *pViewports);
97 	void setScissor(uint32_t firstScissor, uint32_t scissorCount, const VkRect2D *pScissors);
98 	void setLineWidth(float lineWidth);
99 	void setDepthBias(float depthBiasConstantFactor, float depthBiasClamp, float depthBiasSlopeFactor);
100 	void setBlendConstants(const float blendConstants[4]);
101 	void setDepthBounds(float minDepthBounds, float maxDepthBounds);
102 	void setStencilCompareMask(VkStencilFaceFlags faceMask, uint32_t compareMask);
103 	void setStencilWriteMask(VkStencilFaceFlags faceMask, uint32_t writeMask);
104 	void setStencilReference(VkStencilFaceFlags faceMask, uint32_t reference);
105 	void bindDescriptorSets(VkPipelineBindPoint pipelineBindPoint, const PipelineLayout *layout,
106 	                        uint32_t firstSet, uint32_t descriptorSetCount, const VkDescriptorSet *pDescriptorSets,
107 	                        uint32_t dynamicOffsetCount, const uint32_t *pDynamicOffsets);
108 	void bindIndexBuffer(Buffer *buffer, VkDeviceSize offset, VkIndexType indexType);
109 	void dispatch(uint32_t groupCountX, uint32_t groupCountY, uint32_t groupCountZ);
110 	void dispatchIndirect(Buffer *buffer, VkDeviceSize offset);
111 	void copyBuffer(const Buffer *srcBuffer, Buffer *dstBuffer, uint32_t regionCount, const VkBufferCopy *pRegions);
112 	void copyImage(const Image *srcImage, VkImageLayout srcImageLayout, Image *dstImage, VkImageLayout dstImageLayout,
113 	               uint32_t regionCount, const VkImageCopy *pRegions);
114 	void blitImage(const Image *srcImage, VkImageLayout srcImageLayout, Image *dstImage, VkImageLayout dstImageLayout,
115 	               uint32_t regionCount, const VkImageBlit *pRegions, VkFilter filter);
116 	void copyBufferToImage(Buffer *srcBuffer, Image *dstImage, VkImageLayout dstImageLayout,
117 	                       uint32_t regionCount, const VkBufferImageCopy *pRegions);
118 	void copyImageToBuffer(Image *srcImage, VkImageLayout srcImageLayout, Buffer *dstBuffer,
119 	                       uint32_t regionCount, const VkBufferImageCopy *pRegions);
120 	void updateBuffer(Buffer *dstBuffer, VkDeviceSize dstOffset, VkDeviceSize dataSize, const void *pData);
121 	void fillBuffer(Buffer *dstBuffer, VkDeviceSize dstOffset, VkDeviceSize size, uint32_t data);
122 	void clearColorImage(Image *image, VkImageLayout imageLayout, const VkClearColorValue *pColor,
123 	                     uint32_t rangeCount, const VkImageSubresourceRange *pRanges);
124 	void clearDepthStencilImage(Image *image, VkImageLayout imageLayout, const VkClearDepthStencilValue *pDepthStencil,
125 	                            uint32_t rangeCount, const VkImageSubresourceRange *pRanges);
126 	void clearAttachments(uint32_t attachmentCount, const VkClearAttachment *pAttachments,
127 	                      uint32_t rectCount, const VkClearRect *pRects);
128 	void resolveImage(const Image *srcImage, VkImageLayout srcImageLayout, Image *dstImage, VkImageLayout dstImageLayout,
129 	                  uint32_t regionCount, const VkImageResolve *pRegions);
130 	void setEvent(Event *event, VkPipelineStageFlags stageMask);
131 	void resetEvent(Event *event, VkPipelineStageFlags stageMask);
132 	void waitEvents(uint32_t eventCount, const VkEvent *pEvents, VkPipelineStageFlags srcStageMask,
133 	                VkPipelineStageFlags dstStageMask, uint32_t memoryBarrierCount, const VkMemoryBarrier *pMemoryBarriers,
134 	                uint32_t bufferMemoryBarrierCount, const VkBufferMemoryBarrier *pBufferMemoryBarriers,
135 	                uint32_t imageMemoryBarrierCount, const VkImageMemoryBarrier *pImageMemoryBarriers);
136 
137 	void draw(uint32_t vertexCount, uint32_t instanceCount, uint32_t firstVertex, uint32_t firstInstance);
138 	void drawIndexed(uint32_t indexCount, uint32_t instanceCount, uint32_t firstIndex, int32_t vertexOffset, uint32_t firstInstance);
139 	void drawIndirect(Buffer *buffer, VkDeviceSize offset, uint32_t drawCount, uint32_t stride);
140 	void drawIndexedIndirect(Buffer *buffer, VkDeviceSize offset, uint32_t drawCount, uint32_t stride);
141 
142 	// TODO(sugoi): Move ExecutionState out of CommandBuffer (possibly into Device)
143 	struct ExecutionState
144 	{
145 		struct PipelineState
146 		{
147 			Pipeline *pipeline = nullptr;
148 			vk::DescriptorSet::Bindings descriptorSets = {};
149 			vk::DescriptorSet::DynamicOffsets descriptorDynamicOffsets = {};
150 		};
151 
152 		sw::Renderer *renderer = nullptr;
153 		sw::TaskEvents *events = nullptr;
154 		RenderPass *renderPass = nullptr;
155 		Framebuffer *renderPassFramebuffer = nullptr;
156 		std::array<PipelineState, VK_PIPELINE_BIND_POINT_RANGE_SIZE> pipelineState;
157 
158 		struct DynamicState
159 		{
160 			VkViewport viewport;
161 			VkRect2D scissor;
162 			sw::Color<float> blendConstants;
163 			float depthBiasConstantFactor = 0.0f;
164 			float depthBiasClamp = 0.0f;
165 			float depthBiasSlopeFactor = 0.0f;
166 			float minDepthBounds = 0.0f;
167 			float maxDepthBounds = 0.0f;
168 
169 			uint32_t compareMask[2] = { 0 };
170 			uint32_t writeMask[2] = { 0 };
171 			uint32_t reference[2] = { 0 };
172 		};
173 		DynamicState dynamicState;
174 
175 		sw::PushConstantStorage pushConstants;
176 
177 		struct VertexInputBinding
178 		{
179 			Buffer *buffer;
180 			VkDeviceSize offset;
181 		};
182 		VertexInputBinding vertexInputBindings[MAX_VERTEX_INPUT_BINDINGS] = {};
183 		VertexInputBinding indexBufferBinding;
184 		VkIndexType indexType;
185 
186 		uint32_t subpassIndex = 0;
187 
188 		void bindAttachments(sw::Context &context);
189 		void bindVertexInputs(sw::Context &context, int firstInstance);
190 	};
191 
192 	void submit(CommandBuffer::ExecutionState &executionState);
193 	void submitSecondary(CommandBuffer::ExecutionState &executionState) const;
194 
195 	class Command;
196 
197 private:
198 	void resetState();
199 	template<typename T, typename... Args>
200 	void addCommand(Args &&... args);
201 
202 	enum State
203 	{
204 		INITIAL,
205 		RECORDING,
206 		EXECUTABLE,
207 		PENDING,
208 		INVALID
209 	};
210 
211 	Device *const device;
212 	State state = INITIAL;
213 	VkCommandBufferLevel level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
214 
215 	// FIXME (b/119409619): replace this vector by an allocator so we can control all memory allocations
216 	std::vector<std::unique_ptr<Command>> *commands;
217 
218 #ifdef ENABLE_VK_DEBUGGER
219 	std::shared_ptr<vk::dbg::File> debuggerFile;
220 #endif  // ENABLE_VK_DEBUGGER
221 };
222 
223 using DispatchableCommandBuffer = DispatchableObject<CommandBuffer, VkCommandBuffer>;
224 
Cast(VkCommandBuffer object)225 static inline CommandBuffer *Cast(VkCommandBuffer object)
226 {
227 	return DispatchableCommandBuffer::Cast(object);
228 }
229 
230 }  // namespace vk
231 
232 #endif  // VK_COMMAND_BUFFER_HPP_
233