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/****************************************************************************
* Copyright (C) 2014-2015 Intel Corporation. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* @file fetch_jit.h
*
* @brief Definition of the fetch jitter
*
* Notes:
*
******************************************************************************/
#pragma once
#include "common/formats.h"
#include "core/state.h"
//////////////////////////////////////////////////////////////////////////
/// INPUT_ELEMENT_DESC
//////////////////////////////////////////////////////////////////////////
struct INPUT_ELEMENT_DESC
{
union
{
struct
{
uint32_t AlignedByteOffset : 12;
uint32_t Format : 10;
uint32_t StreamIndex : 6;
uint32_t InstanceEnable : 1;
uint32_t InstanceStrideEnable : 1;
uint32_t ComponentControl0 : 4;
uint32_t ComponentControl1 : 4;
uint32_t ComponentControl2 : 4;
uint32_t ComponentControl3 : 4;
uint32_t ComponentPacking : 4;
uint32_t _reserved : 14;
};
uint64_t bits;
};
uint32_t InstanceAdvancementState;
};
// used to set ComponentPacking
enum ComponentEnable
{
NONE = 0x0,
X = 0x1,
Y = 0x2,
XY = 0x3,
Z = 0x4,
XZ = 0x5,
YZ = 0x6,
XYZ = 0x7,
W = 0x8,
XW = 0x9,
YW = 0xA,
XYW = 0xB,
ZW = 0xC,
XZW = 0xD,
YZW = 0xE,
XYZW = 0xF,
};
enum ComponentControl
{
NoStore = 0,
StoreSrc = 1,
Store0 = 2,
Store1Fp = 3,
Store1Int = 4,
StoreVertexId = 5,
StoreInstanceId = 6,
};
//////////////////////////////////////////////////////////////////////////
/// State required for fetch shader jit compile.
//////////////////////////////////////////////////////////////////////////
struct FETCH_COMPILE_STATE
{
uint32_t numAttribs{0};
INPUT_ELEMENT_DESC layout[SWR_VTX_NUM_SLOTS];
SWR_FORMAT indexType;
uint32_t cutIndex{0xffffffff};
// Options that effect the JIT'd code
bool bDisableIndexOOBCheck; // If enabled, FetchJit will exclude index OOB check
bool bEnableCutIndex{false}; // Compares indices with the cut index and returns a cut mask
bool bVertexIDOffsetEnable{false}; // Offset vertexID by StartVertex for non-indexed draws or
// BaseVertex for indexed draws
bool bPartialVertexBuffer{
false}; // for indexed draws, map illegal indices to a known resident vertex
bool bForceSequentialAccessEnable{false};
bool bInstanceIDOffsetEnable{false};
FETCH_COMPILE_STATE(bool disableIndexOOBCheck = false) :
bDisableIndexOOBCheck(disableIndexOOBCheck){};
bool operator==(const FETCH_COMPILE_STATE& other) const
{
if (numAttribs != other.numAttribs)
return false;
if (indexType != other.indexType)
return false;
if (bDisableIndexOOBCheck != other.bDisableIndexOOBCheck)
return false;
if (bEnableCutIndex != other.bEnableCutIndex)
return false;
if (cutIndex != other.cutIndex)
return false;
if (bVertexIDOffsetEnable != other.bVertexIDOffsetEnable)
return false;
if (bPartialVertexBuffer != other.bPartialVertexBuffer)
return false;
if (bForceSequentialAccessEnable != other.bForceSequentialAccessEnable)
return false;
if (bInstanceIDOffsetEnable != other.bInstanceIDOffsetEnable)
return false;
for (uint32_t i = 0; i < numAttribs; ++i)
{
if ((layout[i].bits != other.layout[i].bits) ||
(((layout[i].InstanceEnable == 1) || (layout[i].InstanceStrideEnable == 1)) &&
(layout[i].InstanceAdvancementState != other.layout[i].InstanceAdvancementState)))
{
return false;
}
}
return true;
}
};
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