mirror of
https://github.com/id-Software/DOOM-3-BFG.git
synced 2025-03-16 15:41:16 +00:00
518 lines
No EOL
14 KiB
C++
518 lines
No EOL
14 KiB
C++
/*
|
|
===========================================================================
|
|
|
|
Doom 3 BFG Edition GPL Source Code
|
|
Copyright (C) 2022 Stephen Pridham
|
|
|
|
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
|
|
|
|
Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
|
|
|
|
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
|
|
|
|
===========================================================================
|
|
*/
|
|
|
|
#include "precompiled.h"
|
|
#pragma hdrstop
|
|
|
|
#include "renderer/RenderCommon.h"
|
|
#include "PipelineCache.h"
|
|
|
|
|
|
|
|
PipelineCache::PipelineCache()
|
|
{
|
|
}
|
|
|
|
void PipelineCache::Init( nvrhi::DeviceHandle deviceHandle )
|
|
{
|
|
device = deviceHandle;
|
|
}
|
|
|
|
void PipelineCache::Clear()
|
|
{
|
|
pipelines.Clear();
|
|
pipelineHash.Clear();
|
|
}
|
|
|
|
nvrhi::GraphicsPipelineHandle PipelineCache::GetOrCreatePipeline( const PipelineKey& key )
|
|
{
|
|
std::size_t h = std::hash<PipelineKey> {}( key );
|
|
|
|
for( int i = pipelineHash.First( h ); i >= 0; i = pipelineHash.Next( i ) )
|
|
{
|
|
if( pipelines[i].first == key )
|
|
{
|
|
return pipelines[i].second;
|
|
}
|
|
}
|
|
|
|
nvrhi::GraphicsPipelineDesc pipelineDesc;
|
|
const programInfo_t progInfo = renderProgManager.GetProgramInfo( key.program );
|
|
pipelineDesc.setVertexShader( progInfo.vs ).setFragmentShader( progInfo.ps );
|
|
pipelineDesc.inputLayout = progInfo.inputLayout;
|
|
for( int i = 0; i < progInfo.bindingLayouts->Num(); i++ )
|
|
{
|
|
pipelineDesc.bindingLayouts.push_back( ( *progInfo.bindingLayouts )[i] );
|
|
}
|
|
pipelineDesc.primType = nvrhi::PrimitiveType::TriangleList;
|
|
|
|
// Set up default state.
|
|
pipelineDesc.renderState.rasterState.enableScissor();
|
|
pipelineDesc.renderState.depthStencilState.enableDepthTest().enableDepthWrite();
|
|
for( auto& target : pipelineDesc.renderState.blendState.targets )
|
|
{
|
|
target.enableBlend();
|
|
}
|
|
|
|
// Specialize the state with the state key.
|
|
GetRenderState( key.state, key, pipelineDesc.renderState );
|
|
|
|
auto pipeline = device->createGraphicsPipeline( pipelineDesc, key.framebuffer->GetApiObject() );
|
|
|
|
pipelineHash.Add( h, pipelines.Append( { key, pipeline } ) );
|
|
|
|
return pipeline;
|
|
}
|
|
|
|
|
|
void PipelineCache::GetRenderState( uint64 stateBits, PipelineKey key, nvrhi::RenderState& renderState )
|
|
{
|
|
/*
|
|
uint64 diff = stateBits ^ GLS_DEFAULT;
|
|
|
|
if( diff == 0 )
|
|
{
|
|
return;
|
|
}
|
|
*/
|
|
|
|
auto& rasterizationState = renderState.rasterState;
|
|
|
|
//
|
|
// culling & mirrors
|
|
//
|
|
//if( stateBits & ( GLS_CULL_BITS ) )//| GLS_MIRROR_VIEW ) )
|
|
{
|
|
switch( stateBits & GLS_CULL_BITS )
|
|
{
|
|
case GLS_CULL_TWOSIDED:
|
|
rasterizationState.setCullNone();
|
|
break;
|
|
|
|
case GLS_CULL_BACKSIDED:
|
|
if( stateBits & GLS_MIRROR_VIEW )
|
|
{
|
|
rasterizationState.setCullFront();
|
|
}
|
|
else
|
|
{
|
|
rasterizationState.setCullBack();
|
|
}
|
|
break;
|
|
|
|
case GLS_CULL_FRONTSIDED:
|
|
default:
|
|
if( stateBits & GLS_MIRROR_VIEW )
|
|
{
|
|
rasterizationState.setCullBack();
|
|
}
|
|
else
|
|
{
|
|
rasterizationState.setCullFront();
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
rasterizationState.setFrontCounterClockwise( ( stateBits & GLS_CLOCKWISE ) == 0 );
|
|
|
|
//
|
|
// fill/line mode
|
|
//
|
|
//if( diff & GLS_POLYMODE_LINE )
|
|
{
|
|
if( stateBits & GLS_POLYMODE_LINE )
|
|
{
|
|
rasterizationState.setFillMode( nvrhi::RasterFillMode::Wireframe );
|
|
}
|
|
else
|
|
{
|
|
rasterizationState.setFillMode( nvrhi::RasterFillMode::Solid );
|
|
}
|
|
}
|
|
|
|
//
|
|
// polygon offset
|
|
//
|
|
//if( diff & GLS_POLYGON_OFFSET )
|
|
{
|
|
if( stateBits & GLS_POLYGON_OFFSET )
|
|
{
|
|
rasterizationState.depthBias = key.depthBias;
|
|
rasterizationState.slopeScaledDepthBias = key.slopeBias;
|
|
rasterizationState.enableQuadFill();
|
|
}
|
|
else
|
|
{
|
|
//currentRasterState.disableQuadFill();
|
|
}
|
|
}
|
|
|
|
nvrhi::BlendState::RenderTarget renderTarget;
|
|
|
|
//
|
|
// check blend bits
|
|
//
|
|
//if( stateBits & ( GLS_SRCBLEND_BITS | GLS_DSTBLEND_BITS ) )
|
|
{
|
|
nvrhi::BlendFactor srcFactor = nvrhi::BlendFactor::One;
|
|
switch( stateBits & GLS_SRCBLEND_BITS )
|
|
{
|
|
case GLS_SRCBLEND_ZERO:
|
|
srcFactor = nvrhi::BlendFactor::Zero;
|
|
break;
|
|
case GLS_SRCBLEND_ONE:
|
|
srcFactor = nvrhi::BlendFactor::One;
|
|
break;
|
|
case GLS_SRCBLEND_DST_COLOR:
|
|
srcFactor = nvrhi::BlendFactor::DstColor;
|
|
break;
|
|
case GLS_SRCBLEND_ONE_MINUS_DST_COLOR:
|
|
srcFactor = nvrhi::BlendFactor::OneMinusDstColor;
|
|
break;
|
|
case GLS_SRCBLEND_SRC_ALPHA:
|
|
srcFactor = nvrhi::BlendFactor::SrcAlpha;
|
|
break;
|
|
case GLS_SRCBLEND_ONE_MINUS_SRC_ALPHA:
|
|
srcFactor = nvrhi::BlendFactor::OneMinusSrcAlpha;
|
|
break;
|
|
case GLS_SRCBLEND_DST_ALPHA:
|
|
srcFactor = nvrhi::BlendFactor::DstAlpha;
|
|
break;
|
|
case GLS_SRCBLEND_ONE_MINUS_DST_ALPHA:
|
|
srcFactor = nvrhi::BlendFactor::OneMinusDstAlpha;
|
|
break;
|
|
default:
|
|
assert( !"GL_State: invalid src blend state bits\n" );
|
|
break;
|
|
}
|
|
|
|
nvrhi::BlendFactor dstFactor = nvrhi::BlendFactor::Zero;
|
|
switch( stateBits & GLS_DSTBLEND_BITS )
|
|
{
|
|
case GLS_DSTBLEND_ZERO:
|
|
dstFactor = nvrhi::BlendFactor::Zero;
|
|
break;
|
|
case GLS_DSTBLEND_ONE:
|
|
dstFactor = nvrhi::BlendFactor::One;
|
|
break;
|
|
case GLS_DSTBLEND_SRC_COLOR:
|
|
dstFactor = nvrhi::BlendFactor::SrcColor;
|
|
break;
|
|
case GLS_DSTBLEND_ONE_MINUS_SRC_COLOR:
|
|
dstFactor = nvrhi::BlendFactor::OneMinusSrcColor;
|
|
break;
|
|
case GLS_DSTBLEND_SRC_ALPHA:
|
|
dstFactor = nvrhi::BlendFactor::SrcAlpha;
|
|
break;
|
|
case GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA:
|
|
dstFactor = nvrhi::BlendFactor::OneMinusSrcAlpha;
|
|
break;
|
|
case GLS_DSTBLEND_DST_ALPHA:
|
|
dstFactor = nvrhi::BlendFactor::DstAlpha;
|
|
break;
|
|
case GLS_DSTBLEND_ONE_MINUS_DST_ALPHA:
|
|
dstFactor = nvrhi::BlendFactor::OneMinusDstAlpha;
|
|
break;
|
|
default:
|
|
assert( !"GL_State: invalid dst blend state bits\n" );
|
|
break;
|
|
}
|
|
|
|
// RB: blend ops are only used by the SWF render states so far
|
|
nvrhi::BlendOp blendOp = nvrhi::BlendOp::Add;
|
|
switch( stateBits & GLS_BLENDOP_BITS )
|
|
{
|
|
case GLS_BLENDOP_MIN:
|
|
blendOp = nvrhi::BlendOp::Min;
|
|
break;
|
|
case GLS_BLENDOP_MAX:
|
|
blendOp = nvrhi::BlendOp::Max;
|
|
break;
|
|
case GLS_BLENDOP_ADD:
|
|
blendOp = nvrhi::BlendOp::Add;
|
|
break;
|
|
case GLS_BLENDOP_SUB:
|
|
blendOp = nvrhi::BlendOp::Subrtact;
|
|
break;
|
|
}
|
|
|
|
// Only actually update GL's blend func if blending is enabled.
|
|
if( srcFactor == nvrhi::BlendFactor::One && dstFactor == nvrhi::BlendFactor::Zero )
|
|
{
|
|
renderTarget.disableBlend();
|
|
}
|
|
else
|
|
{
|
|
//colorBlendState.setAlphaToCoverageEnable( true );
|
|
renderTarget.enableBlend();
|
|
|
|
//renderTarget.setBlendOp( blendOp );
|
|
renderTarget.setSrcBlend( srcFactor );
|
|
renderTarget.setDestBlend( dstFactor );
|
|
|
|
//renderTarget.setBlendOpAlpha( blendOp );
|
|
//renderTarget.setSrcBlendAlpha( srcFactor );
|
|
//renderTarget.setDestBlendAlpha( dstFactor );
|
|
}
|
|
}
|
|
|
|
//
|
|
// check colormask
|
|
//
|
|
//if( diff & ( GLS_REDMASK | GLS_GREENMASK | GLS_BLUEMASK | GLS_ALPHAMASK ) )
|
|
{
|
|
nvrhi::ColorMask mask{ nvrhi::ColorMask::All };
|
|
|
|
if( stateBits & GLS_REDMASK )
|
|
{
|
|
mask = mask & ~nvrhi::ColorMask::Red;
|
|
}
|
|
if( stateBits & GLS_GREENMASK )
|
|
{
|
|
mask = mask & ~nvrhi::ColorMask::Green;
|
|
}
|
|
if( stateBits & GLS_BLUEMASK )
|
|
{
|
|
mask = mask & ~nvrhi::ColorMask::Blue;
|
|
}
|
|
if( stateBits & GLS_ALPHAMASK )
|
|
{
|
|
mask = mask & ~nvrhi::ColorMask::Alpha;
|
|
}
|
|
|
|
//renderTarget.enableBlend();
|
|
renderTarget.setColorWriteMask( mask );
|
|
}
|
|
|
|
renderState.blendState.setRenderTarget( 0, renderTarget );
|
|
|
|
|
|
auto& depthStencilState = renderState.depthStencilState;
|
|
|
|
//
|
|
// check depthFunc bits
|
|
//
|
|
//if( diff & GLS_DEPTHFUNC_BITS )
|
|
{
|
|
switch( stateBits & GLS_DEPTHFUNC_BITS )
|
|
{
|
|
case GLS_DEPTHFUNC_EQUAL:
|
|
depthStencilState.depthFunc = nvrhi::ComparisonFunc::Equal;
|
|
break;
|
|
case GLS_DEPTHFUNC_ALWAYS:
|
|
depthStencilState.depthFunc = nvrhi::ComparisonFunc::Always;
|
|
break;
|
|
case GLS_DEPTHFUNC_LESS:
|
|
depthStencilState.depthFunc = nvrhi::ComparisonFunc::LessOrEqual;
|
|
break;
|
|
case GLS_DEPTHFUNC_GREATER:
|
|
depthStencilState.depthFunc = nvrhi::ComparisonFunc::Greater;
|
|
break;
|
|
}
|
|
}
|
|
|
|
//
|
|
// check depthmask
|
|
//
|
|
//if( diff & GLS_DEPTHMASK )
|
|
{
|
|
if( stateBits & GLS_DEPTHMASK )
|
|
{
|
|
depthStencilState.disableDepthWrite();
|
|
if( ( stateBits & GLS_DEPTHFUNC_BITS ) == GLS_DEPTHFUNC_ALWAYS )
|
|
{
|
|
depthStencilState.disableDepthTest();
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// stencil
|
|
//
|
|
//if( diff & ( GLS_STENCIL_FUNC_BITS | GLS_STENCIL_OP_BITS ) )
|
|
{
|
|
if( ( stateBits & ( GLS_STENCIL_FUNC_BITS | GLS_STENCIL_OP_BITS | GLS_SEPARATE_STENCIL ) ) != 0 )
|
|
{
|
|
depthStencilState.enableStencil();
|
|
}
|
|
else
|
|
{
|
|
depthStencilState.disableStencil();
|
|
}
|
|
}
|
|
|
|
if( stateBits & ( GLS_STENCIL_FUNC_BITS | GLS_STENCIL_FUNC_REF_BITS | GLS_STENCIL_FUNC_MASK_BITS ) )
|
|
{
|
|
uint32 ref = uint32( ( stateBits & GLS_STENCIL_FUNC_REF_BITS ) >> GLS_STENCIL_FUNC_REF_SHIFT );
|
|
uint32 mask = uint32( ( stateBits & GLS_STENCIL_FUNC_MASK_BITS ) >> GLS_STENCIL_FUNC_MASK_SHIFT );
|
|
|
|
depthStencilState.setStencilRefValue( ref );
|
|
depthStencilState.setStencilReadMask( mask );
|
|
depthStencilState.setStencilWriteMask( 0xFF );
|
|
}
|
|
|
|
// Carmack's Reverse with GLS_SEPARATE_STENCIL
|
|
if( stateBits & GLS_SEPARATE_STENCIL )
|
|
{
|
|
nvrhi::DepthStencilState::StencilOpDesc frontStencilOp = GetStencilOpState( stateBits & GLS_STENCIL_FRONT_OPS );
|
|
nvrhi::DepthStencilState::StencilOpDesc backStencilOp = GetStencilOpState( ( stateBits & GLS_STENCIL_BACK_OPS ) >> 12 );
|
|
|
|
depthStencilState.setFrontFaceStencil( frontStencilOp );
|
|
depthStencilState.setFrontFaceStencil( backStencilOp );
|
|
}
|
|
else
|
|
{
|
|
nvrhi::DepthStencilState::StencilOpDesc stencilOp = GetStencilOpState( stateBits );
|
|
|
|
depthStencilState.setFrontFaceStencil( stencilOp );
|
|
depthStencilState.setBackFaceStencil( stencilOp );
|
|
}
|
|
}
|
|
|
|
nvrhi::DepthStencilState::StencilOpDesc PipelineCache::GetStencilOpState( uint64 stateBits )
|
|
{
|
|
nvrhi::DepthStencilState::StencilOpDesc stencilOp;
|
|
|
|
//if( stateBits & ( GLS_STENCIL_OP_FAIL_BITS | GLS_STENCIL_OP_ZFAIL_BITS | GLS_STENCIL_OP_PASS_BITS ) )
|
|
{
|
|
switch( stateBits & GLS_STENCIL_FUNC_BITS )
|
|
{
|
|
case GLS_STENCIL_FUNC_NEVER:
|
|
stencilOp.setStencilFunc( nvrhi::ComparisonFunc::Never );
|
|
break;
|
|
case GLS_STENCIL_FUNC_LESS:
|
|
stencilOp.setStencilFunc( nvrhi::ComparisonFunc::Less );
|
|
break;
|
|
case GLS_STENCIL_FUNC_EQUAL:
|
|
stencilOp.setStencilFunc( nvrhi::ComparisonFunc::Equal );
|
|
break;
|
|
case GLS_STENCIL_FUNC_LEQUAL:
|
|
stencilOp.setStencilFunc( nvrhi::ComparisonFunc::LessOrEqual );
|
|
break;
|
|
case GLS_STENCIL_FUNC_GREATER:
|
|
stencilOp.setStencilFunc( nvrhi::ComparisonFunc::Greater );
|
|
break;
|
|
case GLS_STENCIL_FUNC_NOTEQUAL:
|
|
stencilOp.setStencilFunc( nvrhi::ComparisonFunc::NotEqual );
|
|
break;
|
|
case GLS_STENCIL_FUNC_GEQUAL:
|
|
stencilOp.setStencilFunc( nvrhi::ComparisonFunc::GreaterOrEqual );
|
|
break;
|
|
case GLS_STENCIL_FUNC_ALWAYS:
|
|
stencilOp.setStencilFunc( nvrhi::ComparisonFunc::Always );
|
|
break;
|
|
}
|
|
|
|
switch( stateBits & GLS_STENCIL_OP_FAIL_BITS )
|
|
{
|
|
case GLS_STENCIL_OP_FAIL_KEEP:
|
|
stencilOp.setFailOp( nvrhi::StencilOp::Keep );
|
|
break;
|
|
case GLS_STENCIL_OP_FAIL_ZERO:
|
|
stencilOp.setFailOp( nvrhi::StencilOp::Zero );
|
|
break;
|
|
case GLS_STENCIL_OP_FAIL_REPLACE:
|
|
stencilOp.setFailOp( nvrhi::StencilOp::Replace );
|
|
break;
|
|
case GLS_STENCIL_OP_FAIL_INCR:
|
|
stencilOp.setFailOp( nvrhi::StencilOp::IncrementAndClamp );
|
|
break;
|
|
case GLS_STENCIL_OP_FAIL_DECR:
|
|
stencilOp.setFailOp( nvrhi::StencilOp::DecrementAndClamp );
|
|
break;
|
|
case GLS_STENCIL_OP_FAIL_INVERT:
|
|
stencilOp.setFailOp( nvrhi::StencilOp::Invert );
|
|
break;
|
|
case GLS_STENCIL_OP_FAIL_INCR_WRAP:
|
|
stencilOp.setFailOp( nvrhi::StencilOp::IncrementAndWrap );
|
|
break;
|
|
case GLS_STENCIL_OP_FAIL_DECR_WRAP:
|
|
stencilOp.setFailOp( nvrhi::StencilOp::DecrementAndWrap );
|
|
break;
|
|
}
|
|
|
|
switch( stateBits & GLS_STENCIL_OP_ZFAIL_BITS )
|
|
{
|
|
case GLS_STENCIL_OP_ZFAIL_KEEP:
|
|
stencilOp.setDepthFailOp( nvrhi::StencilOp::Keep );
|
|
break;
|
|
case GLS_STENCIL_OP_ZFAIL_ZERO:
|
|
stencilOp.setDepthFailOp( nvrhi::StencilOp::Zero );
|
|
break;
|
|
case GLS_STENCIL_OP_ZFAIL_REPLACE:
|
|
stencilOp.setDepthFailOp( nvrhi::StencilOp::Replace );
|
|
break;
|
|
case GLS_STENCIL_OP_ZFAIL_INCR:
|
|
stencilOp.setDepthFailOp( nvrhi::StencilOp::IncrementAndClamp );
|
|
break;
|
|
case GLS_STENCIL_OP_ZFAIL_DECR:
|
|
stencilOp.setDepthFailOp( nvrhi::StencilOp::DecrementAndClamp );
|
|
break;
|
|
case GLS_STENCIL_OP_ZFAIL_INVERT:
|
|
stencilOp.setDepthFailOp( nvrhi::StencilOp::Invert );
|
|
break;
|
|
case GLS_STENCIL_OP_ZFAIL_INCR_WRAP:
|
|
stencilOp.setDepthFailOp( nvrhi::StencilOp::IncrementAndWrap );
|
|
break;
|
|
case GLS_STENCIL_OP_ZFAIL_DECR_WRAP:
|
|
stencilOp.setDepthFailOp( nvrhi::StencilOp::DecrementAndWrap );
|
|
break;
|
|
}
|
|
|
|
switch( stateBits & GLS_STENCIL_OP_PASS_BITS )
|
|
{
|
|
case GLS_STENCIL_OP_PASS_KEEP:
|
|
stencilOp.setPassOp( nvrhi::StencilOp::Keep );
|
|
break;
|
|
case GLS_STENCIL_OP_PASS_ZERO:
|
|
stencilOp.setPassOp( nvrhi::StencilOp::Zero );
|
|
break;
|
|
case GLS_STENCIL_OP_PASS_REPLACE:
|
|
stencilOp.setPassOp( nvrhi::StencilOp::Replace );
|
|
break;
|
|
case GLS_STENCIL_OP_PASS_INCR:
|
|
stencilOp.setPassOp( nvrhi::StencilOp::IncrementAndClamp );
|
|
break;
|
|
case GLS_STENCIL_OP_PASS_DECR:
|
|
stencilOp.setPassOp( nvrhi::StencilOp::DecrementAndClamp );
|
|
break;
|
|
case GLS_STENCIL_OP_PASS_INVERT:
|
|
stencilOp.setPassOp( nvrhi::StencilOp::Invert );
|
|
break;
|
|
case GLS_STENCIL_OP_PASS_INCR_WRAP:
|
|
stencilOp.setPassOp( nvrhi::StencilOp::IncrementAndWrap );
|
|
break;
|
|
case GLS_STENCIL_OP_PASS_DECR_WRAP:
|
|
stencilOp.setPassOp( nvrhi::StencilOp::DecrementAndWrap );
|
|
break;
|
|
}
|
|
}
|
|
|
|
return stencilOp;
|
|
} |