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Groundwork for other shaders

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Adds the ground work for geometry shaders
Expands shaderData and gfxShader to allow for more shader types

note: when building a GFXShader in source you have to call setShaderStageFile with the shaderStage and the filepath for that stage.

Once we add compute shaders this will become more apparent as compute shaders are a stage of their own and do not require vertex and pixel files whereas other shaders sometimes do.
This commit is contained in:
marauder2k7 2024-03-06 13:26:39 +00:00
parent 949f788a0a
commit 808e2f4200
7 changed files with 220 additions and 161 deletions
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162
Engine/source/materials/shaderData.cpp
View file

@ -48,10 +48,12 @@ ConsoleDocClass( ShaderData,
"// Used for the procedural clould system\n"
"singleton ShaderData( CloudLayerShader )\n"
"{\n"
" DXVertexShaderFile = $Core::CommonShaderPath @ \"/cloudLayerV.hlsl\";\n"
" DXPixelShaderFile = $Core::CommonShaderPath @ \"/cloudLayerP.hlsl\";\n"
" OGLVertexShaderFile = $Core::CommonShaderPath @ \"/gl/cloudLayerV.glsl\";\n"
" OGLPixelShaderFile = $Core::CommonShaderPath @ \"/gl/cloudLayerP.glsl\";\n"
" DXVertexShaderFile = $Core::CommonShaderPath @ \"/cloudLayerV.hlsl\";\n"
" DXPixelShaderFile = $Core::CommonShaderPath @ \"/cloudLayerP.hlsl\";\n"
" DXGeometryShaderFile = $Core::CommonShaderPath @ \"/cloudLayerG.hlsl\";\n"
" OGLVertexShaderFile = $Core::CommonShaderPath @ \"/gl/cloudLayerV.glsl\";\n"
" OGLPixelShaderFile = $Core::CommonShaderPath @ \"/gl/cloudLayerP.glsl\";\n"
" OGLGeometryShaderFile = $Core::CommonShaderPath @ \"/gl/cloudLayerG.glsl\";\n"
" pixVersion = 2.0;\n"
"};\n"
"@endtsexample\n\n"
@ -67,70 +69,87 @@ ShaderData::ShaderData()
for( int i = 0; i < NumTextures; ++i)
mRTParams[i] = false;
mDXVertexShaderName = StringTable->EmptyString();
mDXPixelShaderName = StringTable->EmptyString();
mDXGeometryShaderName = StringTable->EmptyString();
mOGLVertexShaderName = StringTable->EmptyString();
mOGLPixelShaderName = StringTable->EmptyString();
mOGLGeometryShaderName = StringTable->EmptyString();
}
void ShaderData::initPersistFields()
{
docsURL;
addField("DXVertexShaderFile", TypeStringFilename, Offset(mDXVertexShaderName, ShaderData),
"@brief %Path to the DirectX vertex shader file to use for this ShaderData.\n\n"
"It must contain only one program and no pixel shader, just the vertex shader."
"It can be either an HLSL or assembly level shader. HLSL's must have a "
"filename extension of .hlsl, otherwise its assumed to be an assembly file.");
addField("DXVertexShaderFile", TypeStringFilename, Offset(mDXVertexShaderName, ShaderData),
"@brief %Path to the DirectX vertex shader file to use for this ShaderData.\n\n"
"It must contain only one program and no pixel shader, just the vertex shader."
"It can be either an HLSL or assembly level shader. HLSL's must have a "
"filename extension of .hlsl, otherwise its assumed to be an assembly file.");
addField("DXPixelShaderFile", TypeStringFilename, Offset(mDXPixelShaderName, ShaderData),
"@brief %Path to the DirectX pixel shader file to use for this ShaderData.\n\n"
"It must contain only one program and no vertex shader, just the pixel "
"shader. It can be either an HLSL or assembly level shader. HLSL's "
"must have a filename extension of .hlsl, otherwise its assumed to be an assembly file.");
addField("DXPixelShaderFile", TypeStringFilename, Offset(mDXPixelShaderName, ShaderData),
"@brief %Path to the DirectX pixel shader file to use for this ShaderData.\n\n"
"It must contain only one program and no vertex shader, just the pixel "
"shader. It can be either an HLSL or assembly level shader. HLSL's "
"must have a filename extension of .hlsl, otherwise its assumed to be an assembly file.");
addField("OGLVertexShaderFile", TypeStringFilename, Offset(mOGLVertexShaderName, ShaderData),
"@brief %Path to an OpenGL vertex shader file to use for this ShaderData.\n\n"
"It must contain only one program and no pixel shader, just the vertex shader.");
addField("DXGeometryShaderFile", TypeStringFilename, Offset(mDXGeometryShaderName, ShaderData),
"@brief %Path to the DirectX geometry shader file to use for this ShaderData.\n\n"
"It can be either an HLSL or assembly level shader. HLSL's must have a "
"filename extension of .hlsl, otherwise its assumed to be an assembly file.");
addField("OGLPixelShaderFile", TypeStringFilename, Offset(mOGLPixelShaderName, ShaderData),
"@brief %Path to an OpenGL pixel shader file to use for this ShaderData.\n\n"
"It must contain only one program and no vertex shader, just the pixel "
"shader.");
addField("OGLVertexShaderFile", TypeStringFilename, Offset(mOGLVertexShaderName, ShaderData),
"@brief %Path to an OpenGL vertex shader file to use for this ShaderData.\n\n"
"It must contain only one program and no pixel shader, just the vertex shader.");
addField("useDevicePixVersion", TypeBool, Offset(mUseDevicePixVersion, ShaderData),
"@brief If true, the maximum pixel shader version offered by the graphics card will be used.\n\n"
"Otherwise, the script-defined pixel shader version will be used.\n\n");
addField("OGLPixelShaderFile", TypeStringFilename, Offset(mOGLPixelShaderName, ShaderData),
"@brief %Path to an OpenGL pixel shader file to use for this ShaderData.\n\n"
"It must contain only one program and no vertex shader, just the pixel "
"shader.");
addField("pixVersion", TypeF32, Offset(mPixVersion, ShaderData),
"@brief Indicates target level the shader should be compiled.\n\n"
"Valid numbers at the time of this writing are 1.1, 1.4, 2.0, and 3.0. "
"The shader will not run properly if the hardware does not support the "
"level of shader compiled.");
addField("defines", TypeRealString, Offset(mDefines, ShaderData),
"@brief String of case-sensitive defines passed to the shader compiler.\n\n"
addField("OGLGeometryShaderFile", TypeStringFilename, Offset(mOGLGeometryShaderName, ShaderData),
"@brief %Path to the OpenGL Geometry shader file to use for this ShaderData.\n\n");
addField("useDevicePixVersion", TypeBool, Offset(mUseDevicePixVersion, ShaderData),
"@brief If true, the maximum pixel shader version offered by the graphics card will be used.\n\n"
"Otherwise, the script-defined pixel shader version will be used.\n\n");
addField("pixVersion", TypeF32, Offset(mPixVersion, ShaderData),
"@brief Indicates target level the shader should be compiled.\n\n"
"Valid numbers at the time of this writing are 1.1, 1.4, 2.0, and 3.0. "
"The shader will not run properly if the hardware does not support the "
"level of shader compiled.");
addField("defines", TypeRealString, Offset(mDefines, ShaderData),
"@brief String of case-sensitive defines passed to the shader compiler.\n\n"
"The string should be delimited by a semicolon, tab, or newline character."
"@tsexample\n"
"singleton ShaderData( FlashShader )\n"
"{\n"
"DXVertexShaderFile = $shaderGen::cachePath @ \"/postFx/flashV.hlsl\";\n"
"DXPixelShaderFile = $shaderGen::cachePath @ \"/postFx/flashP.hlsl\";\n\n"
" //Define setting the color of WHITE_COLOR.\n"
"defines = \"WHITE_COLOR=float4(1.0,1.0,1.0,0.0)\";\n\n"
"pixVersion = 2.0\n"
"}\n"
"singleton ShaderData( FlashShader )\n"
"{\n"
"DXVertexShaderFile = $shaderGen::cachePath @ \"/postFx/flashV.hlsl\";\n"
"DXPixelShaderFile = $shaderGen::cachePath @ \"/postFx/flashP.hlsl\";\n\n"
"DXGeometryShaderFile = $shaderGen::cachePath @ \"/postFx/flashG.hlsl\";\n\n"
" //Define setting the color of WHITE_COLOR.\n"
"defines = \"WHITE_COLOR=float4(1.0,1.0,1.0,0.0)\";\n\n"
"pixVersion = 2.0\n"
"}\n"
"@endtsexample\n\n"
);
);
addField("samplerNames", TypeRealString, Offset(mSamplerNames, ShaderData), NumTextures,
addField("samplerNames", TypeRealString, Offset(mSamplerNames, ShaderData), NumTextures,
"@brief Indicates names of samplers present in shader. Order is important.\n\n"
"Order of sampler names are used to assert correct sampler register/location"
"Order of sampler names are used to assert correct sampler register/location"
"Other objects (GFXStateBlockData, PostEffect...) use index number to link samplers."
);
);
addField("rtParams", TypeBool, Offset(mRTParams, ShaderData), NumTextures, "");
addField("rtParams", TypeBool, Offset(mRTParams, ShaderData), NumTextures, "");
Parent::initPersistFields();
// Make sure we get activation signals.
LightManager::smActivateSignal.notify( &ShaderData::_onLMActivate );
LightManager::smActivateSignal.notify(&ShaderData::_onLMActivate);
}
bool ShaderData::onAdd()
@ -147,8 +166,8 @@ bool ShaderData::onAdd()
for(int i = 0; i < NumTextures; ++i)
{
if( mSamplerNames[i].isNotEmpty() && !mSamplerNames[i].startsWith("$") )
mSamplerNames[i].insert(0, "$");
if( mSamplerNames[i].isNotEmpty() && !mSamplerNames[i].startsWith("$") )
mSamplerNames[i].insert(0, "$");
}
return true;
@ -164,12 +183,12 @@ void ShaderData::onRemove()
const Vector<GFXShaderMacro>& ShaderData::_getMacros()
{
// If they have already been processed then
// If they have already been processed then
// return the cached result.
if ( mShaderMacros.size() != 0 || mDefines.isEmpty() )
return mShaderMacros;
mShaderMacros.clear();
mShaderMacros.clear();
GFXShaderMacro macro;
const U32 defineCount = StringUnit::getUnitCount( mDefines, ";\n\t" );
for ( U32 i=0; i < defineCount; i++ )
@ -195,7 +214,7 @@ GFXShader* ShaderData::getShader( const Vector<GFXShaderMacro> &macros )
// Convert the final macro list to a string.
String cacheKey;
GFXShaderMacro::stringize( macros, &cacheKey );
GFXShaderMacro::stringize( macros, &cacheKey );
// Lookup the shader for this instance.
ShaderCache::Iterator iter = mShaders.find( cacheKey );
@ -237,9 +256,13 @@ GFXShader* ShaderData::_createShader( const Vector<GFXShaderMacro> &macros )
{
case Direct3D11:
{
success = shader->init( mDXVertexShaderName,
mDXPixelShaderName,
pixver,
if (mDXVertexShaderName != String::EmptyString)
shader->setShaderStageFile(GFXShaderStage::VERTEX_SHADER, mDXVertexShaderName);
if (mDXPixelShaderName != String::EmptyString)
shader->setShaderStageFile(GFXShaderStage::PIXEL_SHADER, mDXPixelShaderName);
if (mDXGeometryShaderName != String::EmptyString)
shader->setShaderStageFile(GFXShaderStage::GEOMETRY_SHADER, mDXGeometryShaderName);
success = shader->init( pixver,
macros,
samplers);
break;
@ -247,14 +270,19 @@ GFXShader* ShaderData::_createShader( const Vector<GFXShaderMacro> &macros )
case OpenGL:
{
success = shader->init( mOGLVertexShaderName,
mOGLPixelShaderName,
pixver,
if(mOGLVertexShaderName != String::EmptyString)
shader->setShaderStageFile(GFXShaderStage::VERTEX_SHADER, mOGLVertexShaderName);
if (mOGLPixelShaderName != String::EmptyString)
shader->setShaderStageFile(GFXShaderStage::PIXEL_SHADER, mOGLPixelShaderName);
if (mOGLGeometryShaderName != String::EmptyString)
shader->setShaderStageFile(GFXShaderStage::GEOMETRY_SHADER, mOGLGeometryShaderName);
success = shader->init( pixver,
macros,
samplers);
break;
}
default:
// Other device types are assumed to not support shaders.
success = false;
@ -268,7 +296,7 @@ GFXShader* ShaderData::_createShader( const Vector<GFXShaderMacro> &macros )
{
if(descs[i].constType != GFXSCT_Sampler && descs[i].constType != GFXSCT_SamplerCube)
continue;
GFXShaderConstHandle *handle = shader->findShaderConstHandle(descs[i].name);
if(!handle || !handle->isValid())
continue;
@ -321,7 +349,7 @@ void ShaderData::_onLMActivate( const char *lm, bool activate )
bool ShaderData::hasSamplerDef(const String &_samplerName, int &pos) const
{
String samplerName = _samplerName.startsWith("$") ? _samplerName : "$"+_samplerName;
String samplerName = _samplerName.startsWith("$") ? _samplerName : "$"+_samplerName;
for(int i = 0; i < NumTextures; ++i)
{
if( mSamplerNames[i].equal(samplerName, String::NoCase ) )
@ -342,9 +370,9 @@ bool ShaderData::_checkDefinition(GFXShader *shader)
samplers.reserve(NumTextures);
bool rtParams[NumTextures];
for(int i = 0; i < NumTextures; ++i)
rtParams[i] = false;
rtParams[i] = false;
const Vector<GFXShaderConstDesc> &shaderConstDesc = shader->getShaderConstDesc();
const Vector<GFXShaderConstDesc> &shaderConstDesc = shader->getShaderConstDesc();
for(int i = 0; i < shaderConstDesc.size(); ++i)
{
@ -352,7 +380,7 @@ bool ShaderData::_checkDefinition(GFXShader *shader)
if(desc.constType == GFXSCT_Sampler)
{
samplers.push_back(desc.name );
}
}
}
for(int i = 0; i < samplers.size(); ++i)
@ -361,14 +389,14 @@ bool ShaderData::_checkDefinition(GFXShader *shader)
bool find = hasSamplerDef(samplers[i], pos);
if(find && pos >= 0 && mRTParams[pos])
{
{
if( !shader->findShaderConstHandle( String::ToString("$rtParams%d", pos)) )
{
String errStr = String::ToString("ShaderData(%s) sampler[%d] used but rtParams%d not used in shader compilation. Possible error", shader->getPixelShaderFile().c_str(), pos, pos);
Con::errorf(errStr);
error = true;
}
}
}
if(!find)
{
@ -377,7 +405,7 @@ bool ShaderData::_checkDefinition(GFXShader *shader)
GFXAssertFatal(0, errStr);
error = true;
}
}
}
return !error;
}