//==============================================================================
VkPipelineColorBlendStateCreateInfo* PipelineImpl::initColorState(
const ColorStateInfo& c, VkPipelineColorBlendStateCreateInfo& ci)
{
ci.logicOpEnable = VK_FALSE;
ci.attachmentCount = c.m_attachmentCount;
for(U i = 0; i < ci.attachmentCount; ++i)
{
VkPipelineColorBlendAttachmentState& out =
const_cast<VkPipelineColorBlendAttachmentState&>(
ci.pAttachments[i]);
const ColorAttachmentStateInfo& in = c.m_attachments[i];
out.blendEnable = !(in.m_srcBlendMethod == BlendMethod::ONE
&& in.m_dstBlendMethod == BlendMethod::ZERO);
out.srcColorBlendFactor = convertBlendMethod(in.m_srcBlendMethod);
out.dstColorBlendFactor = convertBlendMethod(in.m_dstBlendMethod);
out.colorBlendOp = convertBlendFunc(in.m_blendFunction);
out.srcAlphaBlendFactor = out.srcColorBlendFactor;
out.dstAlphaBlendFactor = out.dstColorBlendFactor;
out.alphaBlendOp = out.colorBlendOp;
out.colorWriteMask = convertColorWriteMask(in.m_channelWriteMask);
}
return &ci;
}
//-----------------------------------------------------------------------
void Quake3ShaderManager::parseShaderPassAttrib( const String& line, Quake3Shader* pShader, Quake3Shader::Pass* pPass)
{
StringVector vecparams;
vecparams = StringUtil::split(line, " \t");
StringVector::iterator params = vecparams.begin();
StringUtil::toLowerCase(params[0]);
if (params[0] != "map" && params[0] != "clampmap" && params[0] != "animmap")
{
// lower case all except textures
for (size_t i = 1; i < vecparams.size(); ++i)
StringUtil::toLowerCase(params[i]);
}
// MAP
if (params[0] == "map")
{
pPass->textureName = params[1];
StringUtil::toLowerCase(params[1]);
if (params[1] == "$lightmap")
pPass->texGen = TEXGEN_LIGHTMAP;
}
// CLAMPMAP
if (params[0] == "clampmap")
{
pPass->textureName = params[1];
StringUtil::toLowerCase(params[1]);
if (params[1] == "$lightmap")
pPass->texGen = TEXGEN_LIGHTMAP;
pPass->addressMode = TextureUnitState::TAM_CLAMP;
}
// ANIMMAP
else if (params[0] == "animmap")
{
pPass->animFps = atof(params[1].c_str());
pPass->animNumFrames = static_cast<unsigned int>( vecparams.size() - 2 );
for (unsigned int frame = 0; frame < pPass->animNumFrames; ++frame)
{
pPass->frames[frame] = params[frame+2];
}
}
// BLENDFUNC
else if (params[0] == "blendfunc")
{
if (params[1] == "add" || params[1] == "gl_add")
{
pPass->blend = LBO_ADD;
pPass->blendDest = SBF_ONE;
pPass->blendSrc = SBF_ONE;
}
else if (params[1] == "filter" || params[1] == "gl_filter")
{
pPass->blend = LBO_MODULATE;
pPass->blendDest = SBF_ZERO;
pPass->blendSrc = SBF_DEST_COLOUR;
}
else if (params[1] == "blend" || params[1] == "gl_blend")
{
pPass->blend = LBO_ALPHA_BLEND;
pPass->blendDest = SBF_ONE_MINUS_SOURCE_ALPHA;
pPass->blendSrc = SBF_SOURCE_ALPHA;
}
else
{
// Manual blend
pPass->blendSrc = convertBlendFunc(params[1]);
pPass->blendDest = convertBlendFunc(params[2]);
// Detect common blends
if (pPass->blendSrc == SBF_ONE && pPass->blendDest == SBF_ZERO)
pPass->blend = LBO_REPLACE;
else if (pPass->blendSrc == SBF_ONE && pPass->blendDest == SBF_ONE)
pPass->blend = LBO_ADD;
else if ((pPass->blendSrc == SBF_ZERO && pPass->blendDest == SBF_SOURCE_COLOUR) ||
(pPass->blendSrc == SBF_DEST_COLOUR && pPass->blendDest == SBF_ZERO))
pPass->blend = LBO_MODULATE;
else if (pPass->blendSrc == SBF_SOURCE_ALPHA && pPass->blendDest == SBF_ONE_MINUS_SOURCE_ALPHA)
pPass->blend = LBO_ALPHA_BLEND;
else
pPass->customBlend = true;
// NB other custom blends might not work due to OGRE trying to use multitexture over multipass
}
}
// RGBGEN
else if (params[0] == "rgbgen")
{
// TODO
}
// ALPHAGEN
else if (params[0] == "alphagen")
{
// TODO
}
// TCGEN
else if (params[0] == "tcgen")
{
if (params[1] == "base")
{
pPass->texGen = TEXGEN_BASE;
}
else if (params[1] == "lightmap")
{
pPass->texGen = TEXGEN_LIGHTMAP;
}
else if (params[1] == "environment")
{
pPass->texGen = TEXGEN_ENVIRONMENT;
}
}
// TCMOD
else if (params[0] == "tcmod")
{
if (params[1] == "rotate")
{
pPass->tcModRotate = -atof(params[2].c_str()) / 360; // +ve is clockwise degrees in Q3 shader, anticlockwise complete rotations in Ogre
}
else if (params[1] == "scroll")
{
pPass->tcModScroll[0] = atof(params[2].c_str());
pPass->tcModScroll[1] = atof(params[3].c_str());
}
else if (params[1] == "scale")
{
pPass->tcModScale[0] = atof(params[2].c_str());
pPass->tcModScale[1] = atof(params[3].c_str());
}
else if (params[1] == "stretch")
{
if (params[2] == "sin")
pPass->tcModStretchWave = SHADER_FUNC_SIN;
else if (params[2] == "triangle")
pPass->tcModStretchWave = SHADER_FUNC_TRIANGLE;
else if (params[2] == "square")
pPass->tcModStretchWave = SHADER_FUNC_SQUARE;
else if (params[2] == "sawtooth")
pPass->tcModStretchWave = SHADER_FUNC_SAWTOOTH;
else if (params[2] == "inversesawtooth")
pPass->tcModStretchWave = SHADER_FUNC_INVERSESAWTOOTH;
pPass->tcModStretchParams[0] = atof(params[3].c_str());
pPass->tcModStretchParams[1] = atof(params[4].c_str());
pPass->tcModStretchParams[2] = atof(params[5].c_str());
pPass->tcModStretchParams[3] = atof(params[6].c_str());
}
}
// TURB
else if (params[0] == "turb")
{
pPass->tcModTurbOn = true;
pPass->tcModTurb[0] = atof(params[2].c_str());
pPass->tcModTurb[1] = atof(params[3].c_str());
pPass->tcModTurb[2] = atof(params[4].c_str());
pPass->tcModTurb[3] = atof(params[5].c_str());
}
// DEPTHFUNC
else if (params[0] == "depthfunc")
{
// TODO
}
// DEPTHWRITE
else if (params[0] == "depthwrite")
{
// TODO
}
// ALPHAFUNC
else if (params[0] == "alphafunc")
{
if (params[1] == "gt0")
{
pPass->alphaVal = 0;
pPass->alphaFunc = CMPF_GREATER;
}
else if (params[1] == "ge128")
{
pPass->alphaVal = 128;
pPass->alphaFunc = CMPF_GREATER_EQUAL;
}
else if (params[1] == "lt128")
{
pPass->alphaVal = 128;
pPass->alphaFunc = CMPF_LESS;
}
}
}
