src/gallium/drivers/swr/rasterizer/core/api.h

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  22 *
  23 * @file api.h
  24 *
  25 * @brief API definitions
  26 *
  27 ******************************************************************************/
  28
  29 #ifndef __SWR_API_H__
  30 #define __SWR_API_H__
  31
  32 #include "common/os.h"
  33
  34 #include <assert.h>
  35 #include <vector>
  36
  37 #include "common/simdintrin.h"
  38 #include "common/formats.h"
  39 #include "core/utils.h"
  40 #include "core/state.h"
  41
  42 ///@todo place all the API functions into the 'swr' namespace.
  43
  44 typedef void(SWR_API *PFN_CALLBACK_FUNC)(uint64_t data, uint64_t data2, uint64_t data3);
  45
  46 //////////////////////////////////////////////////////////////////////////
  47 /// @brief Function signature for load hot tiles
  48 /// @param hPrivateContext - handle to private data
  49 /// @param dstFormat - format of the hot tile
  50 /// @param renderTargetIndex - render target to store, can be color, depth or stencil
  51 /// @param x - destination x coordinate
  52 /// @param y - destination y coordinate
  53 /// @param pDstHotTile - pointer to the hot tile surface
  54 typedef void(SWR_API *PFN_LOAD_TILE)(HANDLE hPrivateContext, SWR_FORMAT dstFormat,
  55     SWR_RENDERTARGET_ATTACHMENT renderTargetIndex,
  56     uint32_t x, uint32_t y, uint32_t renderTargetArrayIndex, uint8_t *pDstHotTile);
  57
  58 //////////////////////////////////////////////////////////////////////////
  59 /// @brief Function signature for store hot tiles
  60 /// @param hPrivateContext - handle to private data
  61 /// @param srcFormat - format of the hot tile
  62 /// @param renderTargetIndex - render target to store, can be color, depth or stencil
  63 /// @param x - destination x coordinate
  64 /// @param y - destination y coordinate
  65 /// @param pSrcHotTile - pointer to the hot tile surface
  66 typedef void(SWR_API *PFN_STORE_TILE)(HANDLE hPrivateContext, SWR_FORMAT srcFormat,
  67     SWR_RENDERTARGET_ATTACHMENT renderTargetIndex,
  68     uint32_t x, uint32_t y, uint32_t renderTargetArrayIndex, uint8_t *pSrcHotTile);
  69
  70 //////////////////////////////////////////////////////////////////////////
  71 /// @brief Function signature for clearing from the hot tiles clear value
  72 /// @param hPrivateContext - handle to private data
  73 /// @param renderTargetIndex - render target to store, can be color, depth or stencil
  74 /// @param x - destination x coordinate
  75 /// @param y - destination y coordinate
  76 /// @param pClearColor - pointer to the hot tile's clear value
  77 typedef void(SWR_API *PFN_CLEAR_TILE)(HANDLE hPrivateContext,
  78     SWR_RENDERTARGET_ATTACHMENT rtIndex,
  79     uint32_t x, uint32_t y, const float* pClearColor);
  80
  81 //////////////////////////////////////////////////////////////////////////
  82 /// @brief Callback to allow driver to update their copy of streamout write offset.
  83 ///        This is call is made for any draw operation that has streamout enabled
  84 ///        and has updated the write offset.
  85 /// @param hPrivateContext - handle to private data
  86 /// @param soBufferSlot - buffer slot for write offset
  87 /// @param soWriteOffset - update value for so write offset.
  88 typedef void(SWR_API *PFN_UPDATE_SO_WRITE_OFFSET)(HANDLE hPrivateContext,
  89     uint32_t soBufferSlot, uint32_t soWriteOffset);
  90
  91 class BucketManager;
  92
  93 //////////////////////////////////////////////////////////////////////////
  94 /// SWR_THREADING_INFO
  95 /////////////////////////////////////////////////////////////////////////
  96 struct SWR_THREADING_INFO
  97 {
  98     uint32_t    MAX_WORKER_THREADS;
  99     uint32_t    MAX_NUMA_NODES;
 100     uint32_t    MAX_CORES_PER_NUMA_NODE;
 101     uint32_t    MAX_THREADS_PER_CORE;
 102     bool        SINGLE_THREADED;
 103 };
 104
 105 //////////////////////////////////////////////////////////////////////////
 106 /// SWR_CREATECONTEXT_INFO
 107 /////////////////////////////////////////////////////////////////////////
 108 struct SWR_CREATECONTEXT_INFO
 109 {
 110     DRIVER_TYPE driver;
 111
 112     // External functions (e.g. sampler) need per draw context state.
 113     // Use SwrGetPrivateContextState() to access private state.
 114     uint32_t privateStateSize;
 115
 116     // Callback functions
 117     PFN_LOAD_TILE pfnLoadTile;
 118     PFN_STORE_TILE pfnStoreTile;
 119     PFN_CLEAR_TILE pfnClearTile;
 120     PFN_UPDATE_SO_WRITE_OFFSET pfnUpdateSoWriteOffset;
 121
 122     // Pointer to rdtsc buckets mgr returned to the caller.
 123     // Only populated when KNOB_ENABLE_RDTSC is set
 124     BucketManager* pBucketMgr;
 125
 126     // Output: size required memory passed to for SwrSaveState / SwrRestoreState
 127     size_t  contextSaveSize;
 128
 129     // Input (optional): Threading info that overrides any set KNOB values.
 130     SWR_THREADING_INFO* pThreadInfo;
 131 };
 132
 133 //////////////////////////////////////////////////////////////////////////
 134 /// SWR_RECT
 135 /////////////////////////////////////////////////////////////////////////
 136 struct SWR_RECT
 137 {
 138     uint32_t left;
 139     uint32_t right;
 140     uint32_t top;
 141     uint32_t bottom;
 142 };
 143
 144 //////////////////////////////////////////////////////////////////////////
 145 /// @brief Create SWR Context.
 146 /// @param pCreateInfo - pointer to creation info.
 147 HANDLE SWR_API SwrCreateContext(
 148     SWR_CREATECONTEXT_INFO* pCreateInfo);
 149
 150 //////////////////////////////////////////////////////////////////////////
 151 /// @brief Destroys SWR Context.
 152 /// @param hContext - Handle passed back from SwrCreateContext
 153 void SWR_API SwrDestroyContext(
 154     HANDLE hContext);
 155
 156 //////////////////////////////////////////////////////////////////////////
 157 /// @brief Saves API state associated with hContext
 158 /// @param hContext - Handle passed back from SwrCreateContext
 159 /// @param pOutputStateBlock - Memory block to receive API state data
 160 /// @param memSize - Size of memory pointed to by pOutputStateBlock
 161 void SWR_API SwrSaveState(
 162     HANDLE hContext,
 163     void* pOutputStateBlock,
 164     size_t memSize);
 165
 166 //////////////////////////////////////////////////////////////////////////
 167 /// @brief Restores API state to hContext previously saved with SwrSaveState
 168 /// @param hContext - Handle passed back from SwrCreateContext
 169 /// @param pStateBlock - Memory block to read API state data from
 170 /// @param memSize - Size of memory pointed to by pStateBlock
 171 void SWR_API SwrRestoreState(
 172     HANDLE hContext,
 173     const void* pStateBlock,
 174     size_t memSize);
 175
 176 //////////////////////////////////////////////////////////////////////////
 177 /// @brief Sync cmd. Executes the callback func when all rendering up to this sync
 178 ///        has been completed
 179 /// @param hContext - Handle passed back from SwrCreateContext
 180 /// @param pfnFunc - pointer to callback function,
 181 /// @param userData - user data to pass back
 182 void SWR_API SwrSync(
 183     HANDLE hContext,
 184     PFN_CALLBACK_FUNC pfnFunc,
 185     uint64_t userData,
 186     uint64_t userData2,
 187     uint64_t userData3 = 0);
 188
 189 //////////////////////////////////////////////////////////////////////////
 190 /// @brief Blocks until all rendering has been completed.
 191 /// @param hContext - Handle passed back from SwrCreateContext
 192 void SWR_API SwrWaitForIdle(
 193     HANDLE hContext);
 194
 195 //////////////////////////////////////////////////////////////////////////
 196 /// @brief Blocks until all FE rendering has been completed.
 197 /// @param hContext - Handle passed back from SwrCreateContext
 198 void SWR_API SwrWaitForIdleFE(
 199     HANDLE hContext);
 200
 201 //////////////////////////////////////////////////////////////////////////
 202 /// @brief Set vertex buffer state.
 203 /// @param hContext - Handle passed back from SwrCreateContext
 204 /// @param numBuffers - Number of vertex buffer state descriptors.
 205 /// @param pVertexBuffers - Array of vertex buffer state descriptors.
 206 void SWR_API SwrSetVertexBuffers(
 207     HANDLE hContext,
 208     uint32_t numBuffers,
 209     const SWR_VERTEX_BUFFER_STATE* pVertexBuffers);
 210
 211 //////////////////////////////////////////////////////////////////////////
 212 /// @brief Set index buffer
 213 /// @param hContext - Handle passed back from SwrCreateContext
 214 /// @param pIndexBuffer - Index buffer.
 215 void SWR_API SwrSetIndexBuffer(
 216     HANDLE hContext,
 217     const SWR_INDEX_BUFFER_STATE* pIndexBuffer);
 218
 219 //////////////////////////////////////////////////////////////////////////
 220 /// @brief Set fetch shader pointer.
 221 /// @param hContext - Handle passed back from SwrCreateContext
 222 /// @param pfnFetchFunc - Pointer to shader.
 223 void SWR_API SwrSetFetchFunc(
 224     HANDLE hContext,
 225     PFN_FETCH_FUNC    pfnFetchFunc);
 226
 227 //////////////////////////////////////////////////////////////////////////
 228 /// @brief Set streamout shader pointer.
 229 /// @param hContext - Handle passed back from SwrCreateContext
 230 /// @param pfnSoFunc - Pointer to shader.
 231 /// @param streamIndex - specifies stream
 232 void SWR_API SwrSetSoFunc(
 233     HANDLE hContext,
 234     PFN_SO_FUNC    pfnSoFunc,
 235     uint32_t streamIndex);
 236
 237 //////////////////////////////////////////////////////////////////////////
 238 /// @brief Set streamout state
 239 /// @param hContext - Handle passed back from SwrCreateContext
 240 /// @param pSoState - Pointer to streamout state.
 241 void SWR_API SwrSetSoState(
 242     HANDLE hContext,
 243     SWR_STREAMOUT_STATE* pSoState);
 244
 245 //////////////////////////////////////////////////////////////////////////
 246 /// @brief Set streamout buffer state
 247 /// @param hContext - Handle passed back from SwrCreateContext
 248 /// @param pSoBuffer - Pointer to streamout buffer.
 249 /// @param slot - Slot to bind SO buffer to.
 250 void SWR_API SwrSetSoBuffers(
 251     HANDLE hContext,
 252     SWR_STREAMOUT_BUFFER* pSoBuffer,
 253     uint32_t slot);
 254
 255 //////////////////////////////////////////////////////////////////////////
 256 /// @brief Set vertex shader pointer.
 257 /// @param hContext - Handle passed back from SwrCreateContext
 258 /// @param pfnVertexFunc - Pointer to shader.
 259 void SWR_API SwrSetVertexFunc(
 260     HANDLE hContext,
 261     PFN_VERTEX_FUNC pfnVertexFunc);
 262
 263 //////////////////////////////////////////////////////////////////////////
 264 /// @brief Set frontend state.
 265 /// @param hContext - Handle passed back from SwrCreateContext
 266 /// @param pState - Pointer to state
 267 void SWR_API SwrSetFrontendState(
 268     HANDLE hContext,
 269     SWR_FRONTEND_STATE *pState);
 270
 271 //////////////////////////////////////////////////////////////////////////
 272 /// @brief Set geometry shader state.
 273 /// @param hContext - Handle passed back from SwrCreateContext
 274 /// @param pState - Pointer to state
 275 void SWR_API SwrSetGsState(
 276     HANDLE hContext,
 277     SWR_GS_STATE *pState);
 278
 279 //////////////////////////////////////////////////////////////////////////
 280 /// @brief Set geometry shader
 281 /// @param hContext - Handle passed back from SwrCreateContext
 282 /// @param pState - Pointer to geometry shader function
 283 void SWR_API SwrSetGsFunc(
 284     HANDLE hContext,
 285     PFN_GS_FUNC pfnGsFunc);
 286
 287 //////////////////////////////////////////////////////////////////////////
 288 /// @brief Set compute shader
 289 /// @param hContext - Handle passed back from SwrCreateContext
 290 /// @param pfnCsFunc - Pointer to compute shader function
 291 /// @param totalThreadsInGroup - product of thread group dimensions.
 292 /// @param totalSpillFillSize - size in bytes needed for spill/fill.
 293 void SWR_API SwrSetCsFunc(
 294     HANDLE hContext,
 295     PFN_CS_FUNC pfnCsFunc,
 296     uint32_t totalThreadsInGroup,
 297     uint32_t totalSpillFillSize);
 298
 299 //////////////////////////////////////////////////////////////////////////
 300 /// @brief Set tessellation state.
 301 /// @param hContext - Handle passed back from SwrCreateContext
 302 /// @param pState - Pointer to state
 303 void SWR_API SwrSetTsState(
 304     HANDLE hContext,
 305     SWR_TS_STATE *pState);
 306
 307 //////////////////////////////////////////////////////////////////////////
 308 /// @brief Set hull shader
 309 /// @param hContext - Handle passed back from SwrCreateContext
 310 /// @param pfnFunc - Pointer to shader function
 311 void SWR_API SwrSetHsFunc(
 312     HANDLE hContext,
 313     PFN_HS_FUNC pfnFunc);
 314
 315 //////////////////////////////////////////////////////////////////////////
 316 /// @brief Set domain shader
 317 /// @param hContext - Handle passed back from SwrCreateContext
 318 /// @param pfnFunc - Pointer to shader function
 319 void SWR_API SwrSetDsFunc(
 320     HANDLE hContext,
 321     PFN_DS_FUNC pfnFunc);
 322
 323 //////////////////////////////////////////////////////////////////////////
 324 /// @brief Set depth stencil state
 325 /// @param hContext - Handle passed back from SwrCreateContext
 326 /// @param pState - Pointer to state.
 327 void SWR_API SwrSetDepthStencilState(
 328     HANDLE hContext,
 329     SWR_DEPTH_STENCIL_STATE *pState);
 330
 331 //////////////////////////////////////////////////////////////////////////
 332 /// @brief Set backend state
 333 /// @param hContext - Handle passed back from SwrCreateContext
 334 /// @param pState - Pointer to state.
 335 void SWR_API SwrSetBackendState(
 336     HANDLE hContext,
 337     SWR_BACKEND_STATE *pState);
 338
 339 //////////////////////////////////////////////////////////////////////////
 340 /// @brief Set pixel shader state
 341 /// @param hContext - Handle passed back from SwrCreateContext
 342 /// @param pState - Pointer to state.
 343 void SWR_API SwrSetPixelShaderState(
 344     HANDLE hContext,
 345     SWR_PS_STATE *pState);
 346
 347 //////////////////////////////////////////////////////////////////////////
 348 /// @brief Set blend state
 349 /// @param hContext - Handle passed back from SwrCreateContext
 350 /// @param pState - Pointer to state.
 351 void SWR_API SwrSetBlendState(
 352     HANDLE hContext,
 353     SWR_BLEND_STATE *pState);
 354
 355 //////////////////////////////////////////////////////////////////////////
 356 /// @brief Set blend function
 357 /// @param hContext - Handle passed back from SwrCreateContext
 358 /// @param renderTarget - render target index
 359 /// @param pfnBlendFunc - function pointer
 360 void SWR_API SwrSetBlendFunc(
 361     HANDLE hContext,
 362     uint32_t renderTarget,
 363     PFN_BLEND_JIT_FUNC pfnBlendFunc);
 364
 365 //////////////////////////////////////////////////////////////////////////
 366 /// @brief SwrDraw
 367 /// @param hContext - Handle passed back from SwrCreateContext
 368 /// @param topology - Specifies topology for draw.
 369 /// @param startVertex - Specifies start vertex in vertex buffer for draw.
 370 /// @param primCount - Number of vertices.
 371 void SWR_API SwrDraw(
 372     HANDLE hContext,
 373     PRIMITIVE_TOPOLOGY topology,
 374     uint32_t startVertex,
 375     uint32_t primCount);
 376
 377 //////////////////////////////////////////////////////////////////////////
 378 /// @brief SwrDrawInstanced
 379 /// @param hContext - Handle passed back from SwrCreateContext
 380 /// @param topology - Specifies topology for draw.
 381 /// @param numVertsPerInstance - How many vertices to read sequentially from vertex data.
 382 /// @param numInstances - How many instances to render.
 383 /// @param startVertex - Specifies start vertex for draw. (vertex data)
 384 /// @param startInstance - Which instance to start sequentially fetching from in each buffer (instanced data)
 385 void SWR_API SwrDrawInstanced(
 386     HANDLE hContext,
 387     PRIMITIVE_TOPOLOGY topology,
 388     uint32_t numVertsPerInstance,
 389     uint32_t numInstances,
 390     uint32_t startVertex,
 391     uint32_t startInstance);
 392
 393 //////////////////////////////////////////////////////////////////////////
 394 /// @brief DrawIndexed
 395 /// @param hContext - Handle passed back from SwrCreateContext
 396 /// @param topology - Specifies topology for draw.
 397 /// @param numIndices - Number of indices to read sequentially from index buffer.
 398 /// @param indexOffset - Starting index into index buffer.
 399 /// @param baseVertex - Vertex in vertex buffer to consider as index "0". Note value is signed.
 400 void SWR_API SwrDrawIndexed(
 401     HANDLE hContext,
 402     PRIMITIVE_TOPOLOGY topology,
 403     uint32_t numIndices,
 404     uint32_t indexOffset,
 405     int32_t baseVertex);
 406
 407 //////////////////////////////////////////////////////////////////////////
 408 /// @brief SwrDrawIndexedInstanced
 409 /// @param hContext - Handle passed back from SwrCreateContext
 410 /// @param topology - Specifies topology for draw.
 411 /// @param numIndices - Number of indices to read sequentially from index buffer.
 412 /// @param numInstances - Number of instances to render.
 413 /// @param indexOffset - Starting index into index buffer.
 414 /// @param baseVertex - Vertex in vertex buffer to consider as index "0". Note value is signed.
 415 /// @param startInstance - Which instance to start sequentially fetching from in each buffer (instanced data)
 416 void SWR_API SwrDrawIndexedInstanced(
 417     HANDLE hContext,
 418     PRIMITIVE_TOPOLOGY topology,
 419     uint32_t numIndices,
 420     uint32_t numInstances,
 421     uint32_t indexOffset,
 422     int32_t baseVertex,
 423     uint32_t startInstance);
 424
 425 //////////////////////////////////////////////////////////////////////////
 426 /// @brief SwrInvalidateTiles
 427 /// @param hContext - Handle passed back from SwrCreateContext
 428 /// @param attachmentMask - The mask specifies which surfaces attached to the hottiles to invalidate.
 429 void SWR_API SwrInvalidateTiles(
 430     HANDLE hContext,
 431     uint32_t attachmentMask);
 432
 433 //////////////////////////////////////////////////////////////////////////
 434 /// @brief SwrDiscardRect
 435 /// @param hContext - Handle passed back from SwrCreateContext
 436 /// @param attachmentMask - The mask specifies which surfaces attached to the hottiles to discard.
 437 /// @param rect - if rect is all zeros, the entire attachment surface will be discarded
 438 void SWR_API SwrDiscardRect(
 439     HANDLE hContext,
 440     uint32_t attachmentMask,
 441     SWR_RECT rect);
 442
 443 //////////////////////////////////////////////////////////////////////////
 444 /// @brief SwrDispatch
 445 /// @param hContext - Handle passed back from SwrCreateContext
 446 /// @param threadGroupCountX - Number of thread groups dispatched in X direction
 447 /// @param threadGroupCountY - Number of thread groups dispatched in Y direction
 448 /// @param threadGroupCountZ - Number of thread groups dispatched in Z direction
 449 void SWR_API SwrDispatch(
 450     HANDLE hContext,
 451     uint32_t threadGroupCountX,
 452     uint32_t threadGroupCountY,
 453     uint32_t threadGroupCountZ);
 454
 455
 456 enum SWR_TILE_STATE
 457 {
 458     SWR_TILE_INVALID    = 0,    // tile is in unitialized state and should be loaded with surface contents before rendering
 459     SWR_TILE_DIRTY      = 2,    // tile contains newer data than surface it represents
 460     SWR_TILE_RESOLVED   = 3,    // is in sync with surface it represents
 461 };
 462
 463 /// @todo Add a good description for what attachments are and when and why you would use the different SWR_TILE_STATEs.
 464 void SWR_API SwrStoreTiles(
 465     HANDLE hContext,
 466     SWR_RENDERTARGET_ATTACHMENT attachment,
 467     SWR_TILE_STATE postStoreTileState);
 468
 469 void SWR_API SwrClearRenderTarget(
 470     HANDLE hContext,
 471     uint32_t clearMask,
 472     const float clearColor[4],
 473     float z,
 474     uint8_t stencil);
 475
 476 void SWR_API SwrSetRastState(
 477     HANDLE hContext,
 478     const SWR_RASTSTATE *pRastState);
 479
 480 //////////////////////////////////////////////////////////////////////////
 481 /// @brief SwrSetViewports
 482 /// @param hContext - Handle passed back from SwrCreateContext
 483 /// @param numViewports - number of viewports passed in
 484 /// @param pViewports - Specifies extents of viewport.
 485 /// @param pMatrices - If not specified then SWR computes a default one.
 486 void SWR_API SwrSetViewports(
 487     HANDLE hContext,
 488     uint32_t numViewports,
 489     const SWR_VIEWPORT* pViewports,
 490     const SWR_VIEWPORT_MATRIX* pMatrices);
 491
 492 //////////////////////////////////////////////////////////////////////////
 493 /// @brief SwrSetScissorRects
 494 /// @param hContext - Handle passed back from SwrCreateContext
 495 /// @param numScissors - number of scissors passed in
 496 /// @param pScissors - array of scissors
 497 void SWR_API SwrSetScissorRects(
 498     HANDLE hContext,
 499     uint32_t numScissors,
 500     const BBOX* pScissors);
 501
 502 //////////////////////////////////////////////////////////////////////////
 503 /// @brief Returns a pointer to the private context state for the current
 504 ///        draw operation. This is used for external componets such as the
 505 ///        sampler.
 506 ///
 507 /// @note  Client needs to resend private state prior to each draw call.
 508 ///        Also, SWR is responsible for the private state memory.
 509 /// @param hContext - Handle passed back from SwrCreateContext
 510 VOID* SWR_API SwrGetPrivateContextState(
 511     HANDLE hContext);
 512
 513 //////////////////////////////////////////////////////////////////////////
 514 /// @brief Clients can use this to allocate memory for draw/dispatch
 515 ///        operations. The memory will automatically be freed once operation
 516 ///        has completed. Client can use this to allocate binding tables,
 517 ///        etc. needed for shader execution.
 518 /// @param hContext - Handle passed back from SwrCreateContext
 519 /// @param size - Size of allocation
 520 /// @param align - Alignment needed for allocation.
 521 VOID* SWR_API SwrAllocDrawContextMemory(
 522     HANDLE hContext,
 523     uint32_t size,
 524     uint32_t align);
 525
 526 //////////////////////////////////////////////////////////////////////////
 527 /// @brief Returns pointer to SWR stats.
 528 /// @note The counters are incremented by multiple threads.
 529 ///       When calling this, you need to ensure all previous operations
 530 ///       have completed.
 531 /// @param hContext - Handle passed back from SwrCreateContext
 532 /// @param pStats - SWR will fill this out for caller.
 533 void SWR_API SwrGetStats(
 534     HANDLE hContext,
 535     SWR_STATS* pStats);
 536
 537 //////////////////////////////////////////////////////////////////////////
 538 /// @brief Enables stats counting
 539 /// @param hContext - Handle passed back from SwrCreateContext
 540 /// @param enable - If true then counts are incremented.
 541 void SWR_API SwrEnableStats(
 542     HANDLE hContext,
 543     bool enable);
 544
 545 //////////////////////////////////////////////////////////////////////////
 546 /// @brief Mark end of frame - used for performance profiling
 547 /// @param hContext - Handle passed back from SwrCreateContext
 548 void SWR_API SwrEndFrame(
 549     HANDLE hContext);
 550 #endif//__SWR_API_H__