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

   1 /****************************************************************************
   2 * Copyright (C) 2014-2015 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 knobs.h
  24 *
  25 * @brief Static (Compile-Time) Knobs for Core.
  26 *
  27 ******************************************************************************/
  28 #pragma once
  29
  30 #include <stdint.h>
  31 #include <gen_knobs.h>
  32
  33 #define KNOB_ARCH_AVX    0
  34 #define KNOB_ARCH_AVX2   1
  35 #define KNOB_ARCH_AVX512 2
  36
  37 ///////////////////////////////////////////////////////////////////////////////
  38 // Architecture validation
  39 ///////////////////////////////////////////////////////////////////////////////
  40 #if !defined(KNOB_ARCH)
  41 #define KNOB_ARCH KNOB_ARCH_AVX
  42 #endif
  43
  44 #if (KNOB_ARCH == KNOB_ARCH_AVX)
  45 #define KNOB_ARCH_ISA AVX
  46 #define KNOB_ARCH_STR "AVX"
  47 #define KNOB_SIMD_WIDTH 8
  48 #define KNOB_SIMD_BYTES 32
  49 #elif (KNOB_ARCH == KNOB_ARCH_AVX2)
  50 #define KNOB_ARCH_ISA AVX2
  51 #define KNOB_ARCH_STR "AVX2"
  52 #define KNOB_SIMD_WIDTH 8
  53 #define KNOB_SIMD_BYTES 32
  54 #elif (KNOB_ARCH == KNOB_ARCH_AVX512)
  55 #define KNOB_ARCH_ISA AVX512F
  56 #define KNOB_ARCH_STR "AVX512"
  57 #define KNOB_SIMD_WIDTH 16
  58 #define KNOB_SIMD_BYTES 64
  59 #error "AVX512 not yet supported"
  60 #else
  61 #error "Unknown architecture"
  62 #endif
  63
  64 #define MAX_KNOB_ARCH_STR_LEN sizeof("AVX512_PLUS_PADDING")
  65
  66 ///////////////////////////////////////////////////////////////////////////////
  67 // Configuration knobs
  68 ///////////////////////////////////////////////////////////////////////////////
  69 #define KNOB_MAX_NUM_THREADS                256 // Supports up to dual-HSW-Xeon.
  70
  71 // Maximum supported number of active vertex buffer streams
  72 #define KNOB_NUM_STREAMS                    32
  73
  74 // Maximum supported number of attributes per vertex
  75 #define KNOB_NUM_ATTRIBUTES                 38
  76
  77 // Maximum supported active viewports and scissors
  78 #define KNOB_NUM_VIEWPORTS_SCISSORS         16
  79
  80 // Guardband range used by the clipper
  81 #define KNOB_GUARDBAND_WIDTH                32768.0f
  82 #define KNOB_GUARDBAND_HEIGHT               32768.0f
  83
  84 ///////////////////////////////
  85 // Macro tile configuration
  86 ///////////////////////////////
  87
  88 // raster tile dimensions
  89 #define KNOB_TILE_X_DIM                      8
  90 #define KNOB_TILE_X_DIM_SHIFT                3
  91 #define KNOB_TILE_Y_DIM                      8
  92 #define KNOB_TILE_Y_DIM_SHIFT                3
  93
  94 // fixed macrotile pixel dimension for now, eventually will be
  95 // dynamically set based on tile format and pixel size
  96 #define KNOB_MACROTILE_X_DIM                64
  97 #define KNOB_MACROTILE_Y_DIM                64
  98 #define KNOB_MACROTILE_X_DIM_FIXED          (KNOB_MACROTILE_X_DIM << 8)
  99 #define KNOB_MACROTILE_Y_DIM_FIXED          (KNOB_MACROTILE_Y_DIM << 8)
 100 #define KNOB_MACROTILE_X_DIM_FIXED_SHIFT    14
 101 #define KNOB_MACROTILE_Y_DIM_FIXED_SHIFT    14
 102 #define KNOB_MACROTILE_X_DIM_IN_TILES       (KNOB_MACROTILE_X_DIM >> KNOB_TILE_X_DIM_SHIFT)
 103 #define KNOB_MACROTILE_Y_DIM_IN_TILES       (KNOB_MACROTILE_Y_DIM >> KNOB_TILE_Y_DIM_SHIFT)
 104
 105 // total # of hot tiles available. This should be enough to
 106 // fully render a 16kx16k 128bpp render target
 107 #define KNOB_NUM_HOT_TILES_X                 256
 108 #define KNOB_NUM_HOT_TILES_Y                 256
 109 #define KNOB_COLOR_HOT_TILE_FORMAT           R32G32B32A32_FLOAT
 110 #define KNOB_DEPTH_HOT_TILE_FORMAT           R32_FLOAT
 111 #define KNOB_STENCIL_HOT_TILE_FORMAT         R8_UINT
 112
 113 // Max scissor rectangle
 114 #define KNOB_MAX_SCISSOR_X                  KNOB_NUM_HOT_TILES_X * KNOB_MACROTILE_X_DIM
 115 #define KNOB_MAX_SCISSOR_Y                  KNOB_NUM_HOT_TILES_Y * KNOB_MACROTILE_Y_DIM
 116
 117 #if KNOB_SIMD_WIDTH==8 && KNOB_TILE_X_DIM < 4
 118 #error "incompatible width/tile dimensions"
 119 #endif
 120
 121 #if KNOB_SIMD_WIDTH == 8
 122 #define SIMD_TILE_X_DIM 4
 123 #define SIMD_TILE_Y_DIM 2
 124 #else
 125 #error "Invalid simd width"
 126 #endif
 127
 128 ///////////////////////////////////////////////////////////////////////////////
 129 // Optimization knobs
 130 ///////////////////////////////////////////////////////////////////////////////
 131 #define KNOB_USE_FAST_SRGB                     TRUE
 132
 133 // enables cut-aware primitive assembler
 134 #define KNOB_ENABLE_CUT_AWARE_PA               TRUE
 135
 136 ///////////////////////////////////////////////////////////////////////////////
 137 // Debug knobs
 138 ///////////////////////////////////////////////////////////////////////////////
 139 //#define KNOB_ENABLE_RDTSC
 140
 141 // Set to 1 to use the dynamic KNOB_TOSS_XXXX knobs.
 142 #if !defined(KNOB_ENABLE_TOSS_POINTS)
 143 #define KNOB_ENABLE_TOSS_POINTS                 0
 144 #endif
 145