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1 /*
2  * Copyright 2022 Google LLC
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 
8 #ifndef skgpu_graphite_VulkanCommandBuffer_DEFINED
9 #define skgpu_graphite_VulkanCommandBuffer_DEFINED
10 
11 #include "src/gpu/graphite/CommandBuffer.h"
12 
13 #include "include/gpu/vk/VulkanTypes.h"
14 #include "src/gpu/graphite/DrawPass.h"
15 #include "src/gpu/graphite/vk/VulkanGraphicsPipeline.h"
16 #include "src/gpu/graphite/vk/VulkanResourceProvider.h"
17 
18 namespace skgpu::graphite {
19 
20 class VulkanBuffer;
21 class VulkanDescriptorSet;
22 class VulkanSharedContext;
23 class VulkanTexture;
24 class Buffer;
25 
26 class VulkanCommandBuffer final : public CommandBuffer {
27 public:
28     static std::unique_ptr<VulkanCommandBuffer> Make(const VulkanSharedContext*,
29                                                      VulkanResourceProvider*,
30                                                      Protected);
31     ~VulkanCommandBuffer() override;
32 
33     bool setNewCommandBufferResources() override;
34 
35     bool submit(VkQueue);
36 
37     bool isFinished();
38 
39     void waitUntilFinished();
40 
41     void addBufferMemoryBarrier(const Resource* resource,
42                                 VkPipelineStageFlags srcStageMask,
43                                 VkPipelineStageFlags dstStageMask,
44                                 VkBufferMemoryBarrier* barrier);
45     void addBufferMemoryBarrier(VkPipelineStageFlags srcStageMask,
46                                 VkPipelineStageFlags dstStageMask,
47                                 VkBufferMemoryBarrier* barrier);
48     void addImageMemoryBarrier(const Resource*,
49                                VkPipelineStageFlags srcStageMask,
50                                VkPipelineStageFlags dstStageMask,
51                                bool byRegion,
52                                VkImageMemoryBarrier* barrier);
53 
54 private:
55     VulkanCommandBuffer(VkCommandPool pool,
56                         VkCommandBuffer primaryCommandBuffer,
57                         const VulkanSharedContext* sharedContext,
58                         VulkanResourceProvider* resourceProvider,
59                         Protected);
60 
resourceProvider()61     ResourceProvider* resourceProvider() const override { return fResourceProvider; }
62 
63     void onResetCommandBuffer() override;
64 
65     void begin();
66     void end();
67 
68     void addWaitSemaphores(size_t numWaitSemaphores,
69                            const BackendSemaphore* waitSemaphores) override;
70     void addSignalSemaphores(size_t numWaitSemaphores,
71                              const BackendSemaphore* signalSemaphores) override;
72     void prepareSurfaceForStateUpdate(SkSurface* targetSurface,
73                                       const MutableTextureState* newState) override;
74 
75     bool onAddRenderPass(const RenderPassDesc&,
76                          SkIRect renderPassBounds,
77                          const Texture* colorTexture,
78                          const Texture* resolveTexture,
79                          const Texture* depthStencilTexture,
80                          SkIRect viewport,
81                          const DrawPassList&) override;
82 
83     bool beginRenderPass(const RenderPassDesc&,
84                          SkIRect renderPassBounds,
85                          const Texture* colorTexture,
86                          const Texture* resolveTexture,
87                          const Texture* depthStencilTexture);
88     void endRenderPass();
89 
90     void addDrawPass(const DrawPass*);
91 
92     // Track descriptor changes for binding prior to draw calls
93     void recordBufferBindingInfo(const BindBufferInfo& info, UniformSlot);
94     // Either both arguments are non-null, or both must be null (to reset or handle just the
95     // dstCopy intrinsic w/o requiring a DrawPass command).
96     void recordTextureAndSamplerDescSet(
97             const DrawPass*, const DrawPassCommands::BindTexturesAndSamplers*);
98 
99     void bindTextureSamplers();
100     void bindUniformBuffers();
101     void syncDescriptorSets();
102 
103     struct PushConstantInfo {
104         uint32_t fOffset;
105         uint32_t fSize;
106         VkShaderStageFlagBits fShaderStageFlagBits;
107         const void* fValues;
108     };
109     void bindGraphicsPipeline(const GraphicsPipeline*);
110     void pushConstants(const PushConstantInfo&, VkPipelineLayout compatibleLayout);
111 
112     void setBlendConstants(float* blendConstants);
113     void bindDrawBuffers(const BindBufferInfo& vertices,
114                          const BindBufferInfo& instances,
115                          const BindBufferInfo& indices,
116                          const BindBufferInfo& indirect);
117     void bindVertexBuffers(const Buffer* vertexBuffer, size_t vertexOffset,
118                            const Buffer* instanceBuffer, size_t instanceOffset);
119     void bindInputBuffer(const Buffer* buffer, VkDeviceSize offset, uint32_t binding);
120     void bindIndexBuffer(const Buffer* indexBuffer, size_t offset);
121     void bindIndirectBuffer(const Buffer* indirectBuffer, size_t offset);
122     void setScissor(const Scissor&);
123     void setScissor(const SkIRect&);
124 
125     void draw(PrimitiveType type, unsigned int baseVertex, unsigned int vertexCount);
126     void drawIndexed(PrimitiveType type, unsigned int baseIndex, unsigned int indexCount,
127                      unsigned int baseVertex);
128     void drawInstanced(PrimitiveType type,
129                        unsigned int baseVertex, unsigned int vertexCount,
130                        unsigned int baseInstance, unsigned int instanceCount);
131     void drawIndexedInstanced(PrimitiveType type, unsigned int baseIndex,
132                               unsigned int indexCount, unsigned int baseVertex,
133                               unsigned int baseInstance, unsigned int instanceCount);
134     void drawIndirect(PrimitiveType type);
135     void drawIndexedIndirect(PrimitiveType type);
136 
137     // TODO: The virtuals in this class have not yet been implemented as we still haven't
138     // implemented the objects they use.
139     bool onAddComputePass(DispatchGroupSpan) override;
140 
141     bool onCopyBufferToBuffer(const Buffer* srcBuffer,
142                               size_t srcOffset,
143                               const Buffer* dstBuffer,
144                               size_t dstOffset,
145                               size_t size) override;
146     bool onCopyTextureToBuffer(const Texture*,
147                                SkIRect srcRect,
148                                const Buffer*,
149                                size_t bufferOffset,
150                                size_t bufferRowBytes) override;
151     bool onCopyBufferToTexture(const Buffer*,
152                                const Texture*,
153                                const BufferTextureCopyData* copyData,
154                                int count) override;
155     bool onCopyTextureToTexture(const Texture* src,
156                                 SkIRect srcRect,
157                                 const Texture* dst,
158                                 SkIPoint dstPoint,
159                                 int mipLevel) override;
160 
161     bool pushConstants(VkShaderStageFlags stageFlags,
162                        uint32_t offset,
163                        uint32_t size,
164                        const void* values);
165 
166     bool onSynchronizeBufferToCpu(const Buffer*, bool* outDidResultInWork) override;
167     bool onClearBuffer(const Buffer*, size_t offset, size_t size) override;
168 
169     enum BarrierType {
170         kBufferMemory_BarrierType,
171         kImageMemory_BarrierType
172     };
173     void pipelineBarrier(const Resource* resource,
174                          VkPipelineStageFlags srcStageMask,
175                          VkPipelineStageFlags dstStageMask,
176                          bool byRegion,
177                          BarrierType barrierType,
178                          void* barrier);
179     void submitPipelineBarriers(bool forSelfDependency = false);
180 
181     bool loadMSAAFromResolve(const RenderPassDesc&,
182                              VulkanTexture& resolveTexture,
183                              SkISize dstDimensions,
184                              SkIRect nativeBounds);
185     bool updateAndBindLoadMSAAInputAttachment(const VulkanTexture& resolveTexture);
186     void updateBuffer(const VulkanBuffer* buffer,
187                       const void* data,
188                       size_t dataSize,
189                       size_t dstOffset = 0);
190     void nextSubpass();
191     void setViewport(SkIRect viewport);
192 
193     VkCommandPool fPool;
194     VkCommandBuffer fPrimaryCommandBuffer;
195     const VulkanSharedContext* fSharedContext;
196     VulkanResourceProvider* fResourceProvider;
197 
198     // begin() has been called, but not end()
199     bool fActive = false;
200     // Track whether there is currently an active render pass (beginRenderPass has been called, but
201     // not endRenderPass)
202     bool fActiveRenderPass = false;
203 
204     const VulkanGraphicsPipeline* fActiveGraphicsPipeline = nullptr;
205 
206     VkFence fSubmitFence = VK_NULL_HANDLE;
207 
208     // Current semaphores
209     skia_private::STArray<1, VkSemaphore> fWaitSemaphores;
210     skia_private::STArray<1, VkSemaphore> fSignalSemaphores;
211 
212     // Tracking of memory barriers so that we can submit them all in a batch together.
213     skia_private::STArray<1, VkBufferMemoryBarrier> fBufferBarriers;
214     skia_private::STArray<2, VkImageMemoryBarrier> fImageBarriers;
215     bool fBarriersByRegion = false;
216     VkPipelineStageFlags fSrcStageMask = 0;
217     VkPipelineStageFlags fDstStageMask = 0;
218 
219     // Track whether certain descriptor sets need to be bound
220     bool fBindUniformBuffers = false;
221     bool fBindTextureSamplers = false;
222 
223     std::array<BindBufferInfo, VulkanGraphicsPipeline::kNumUniformBuffers> fUniformBuffersToBind;
224     VkDescriptorSet fTextureSamplerDescSetToBind = VK_NULL_HANDLE;
225 
226     int fNumTextureSamplers = 0;
227 
228     VkBuffer fBoundInputBuffers[VulkanGraphicsPipeline::kNumInputBuffers];
229     size_t fBoundInputBufferOffsets[VulkanGraphicsPipeline::kNumInputBuffers];
230 
231     VkBuffer fBoundIndexBuffer = VK_NULL_HANDLE;
232     VkBuffer fBoundIndirectBuffer = VK_NULL_HANDLE;
233     size_t fBoundIndexBufferOffset = 0;
234     size_t fBoundIndirectBufferOffset = 0;
235 
236     float fCachedBlendConstant[4];
237 };
238 
239 } // namespace skgpu::graphite
240 
241 #endif // skgpu_graphite_VulkanCommandBuffer_DEFINED
242