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      1 /****************************************************************************
      2 * Copyright (C) 2014-2016 Intel Corporation.   All Rights Reserved.
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining a
      5 * copy of this software and associated documentation files (the "Software"),
      6 * to deal in the Software without restriction, including without limitation
      7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8 * and/or sell copies of the Software, and to permit persons to whom the
      9 * Software is furnished to do so, subject to the following conditions:
     10 *
     11 * The above copyright notice and this permission notice (including the next
     12 * paragraph) shall be included in all copies or substantial portions of the
     13 * Software.
     14 *
     15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
     21 * IN THE SOFTWARE.
     22 *
     23 * @file StoreTile.cpp
     24 *
     25 * @brief Functionality for Store.
     26 *
     27 ******************************************************************************/
     28 #include "StoreTile.h"
     29 //////////////////////////////////////////////////////////////////////////
     30 /// Store Raster Tile Function Tables.
     31 //////////////////////////////////////////////////////////////////////////
     32 PFN_STORE_TILES sStoreTilesTableColor[SWR_TILE_MODE_COUNT][NUM_SWR_FORMATS] = {};
     33 PFN_STORE_TILES sStoreTilesTableDepth[SWR_TILE_MODE_COUNT][NUM_SWR_FORMATS] = {};
     34 PFN_STORE_TILES sStoreTilesTableStencil[SWR_TILE_MODE_COUNT][NUM_SWR_FORMATS] = {};
     35 
     36 static void BUCKETS_START(UINT id)
     37 {
     38 #ifdef KNOB_ENABLE_RDTSC
     39     gBucketMgr.StartBucket(id);
     40 #endif
     41 }
     42 
     43 static void BUCKETS_STOP(UINT id)
     44 {
     45 #ifdef KNOB_ENABLE_RDTSC
     46     gBucketMgr.StopBucket(id);
     47 #endif
     48 }
     49 
     50 // on demand buckets for store tiles
     51 static std::mutex sBucketMutex;
     52 static std::vector<int32_t> sBuckets(NUM_SWR_FORMATS, -1);
     53 
     54 //////////////////////////////////////////////////////////////////////////
     55 /// @brief Deswizzles and stores a full hottile to a render surface
     56 /// @param hPrivateContext - Handle to private DC
     57 /// @param srcFormat - Format for hot tile.
     58 /// @param renderTargetIndex - Index to destination render target
     59 /// @param x, y - Coordinates to raster tile.
     60 /// @param pSrcHotTile - Pointer to Hot Tile
     61 void SwrStoreHotTileToSurface(
     62     SWR_SURFACE_STATE *pDstSurface,
     63     SWR_FORMAT srcFormat,
     64     SWR_RENDERTARGET_ATTACHMENT renderTargetIndex,
     65     uint32_t x, uint32_t y, uint32_t renderTargetArrayIndex,
     66     uint8_t *pSrcHotTile)
     67 {
     68     if (pDstSurface->type == SURFACE_NULL)
     69     {
     70         return;
     71     }
     72 
     73     // force 0 if requested renderTargetArrayIndex is OOB
     74     if (renderTargetArrayIndex >= pDstSurface->depth)
     75     {
     76         renderTargetArrayIndex = 0;
     77     }
     78 
     79     PFN_STORE_TILES pfnStoreTiles = nullptr;
     80 
     81     if (renderTargetIndex <= SWR_ATTACHMENT_COLOR7)
     82     {
     83         pfnStoreTiles = sStoreTilesTableColor[pDstSurface->tileMode][pDstSurface->format];
     84     }
     85     else if (renderTargetIndex == SWR_ATTACHMENT_DEPTH)
     86     {
     87         pfnStoreTiles = sStoreTilesTableDepth[pDstSurface->tileMode][pDstSurface->format];
     88     }
     89     else
     90     {
     91         pfnStoreTiles = sStoreTilesTableStencil[pDstSurface->tileMode][pDstSurface->format];
     92     }
     93 
     94     if(nullptr == pfnStoreTiles)
     95     {
     96         SWR_INVALID("Invalid pixel format / tile mode for store tiles");
     97         return;
     98     }
     99 
    100     // Store a macro tile
    101 #ifdef KNOB_ENABLE_RDTSC
    102     if (sBuckets[pDstSurface->format] == -1)
    103     {
    104         // guard sBuckets update since storetiles is called by multiple threads
    105         sBucketMutex.lock();
    106         if (sBuckets[pDstSurface->format] == -1)
    107         {
    108             const SWR_FORMAT_INFO& info = GetFormatInfo(pDstSurface->format);
    109             BUCKET_DESC desc{info.name, "", false, 0xffffffff};
    110             sBuckets[pDstSurface->format] = gBucketMgr.RegisterBucket(desc);
    111         }
    112         sBucketMutex.unlock();
    113     }
    114 #endif
    115 
    116     BUCKETS_START(sBuckets[pDstSurface->format]);
    117     pfnStoreTiles(pSrcHotTile, pDstSurface, x, y, renderTargetArrayIndex);
    118     BUCKETS_STOP(sBuckets[pDstSurface->format]);
    119 }
    120 
    121 
    122 //////////////////////////////////////////////////////////////////////////
    123 /// @brief Sets up tables for StoreTile
    124 void InitSimStoreTilesTable()
    125 {
    126     memset(sStoreTilesTableColor, 0, sizeof(sStoreTilesTableColor));
    127     memset(sStoreTilesTableDepth, 0, sizeof(sStoreTilesTableDepth));
    128 
    129     InitStoreTilesTable_Linear_1();
    130     InitStoreTilesTable_Linear_2();
    131     InitStoreTilesTable_TileX_1();
    132     InitStoreTilesTable_TileX_2();
    133     InitStoreTilesTable_TileY_1();
    134     InitStoreTilesTable_TileY_2();
    135     InitStoreTilesTable_TileW();
    136 }
    137