metaforce/Runtime/Graphics/Shaders/CColoredQuadFilterHLSL.cpp

114 lines
3.6 KiB
C++

#include "CColoredQuadFilter.hpp"
namespace urde
{
static const char* VS =
"struct VertData\n"
"{\n"
" float4 posIn : POSITION;\n"
"};\n"
"\n"
"cbuffer ColoredQuadUniform : register(b0)\n"
"{\n"
" float4x4 xf;\n"
" float4 color;\n"
"};\n"
"\n"
"struct VertToFrag\n"
"{\n"
" float4 position : SV_Position;\n"
" float4 color : COLOR;\n"
"};\n"
"\n"
"VertToFrag main(in VertData v)\n"
"{\n"
" VertToFrag vtf;\n"
" vtf.color = color;\n"
" vtf.position = mul(xf, float4(v.posIn.xyz, 1.0));\n"
" return vtf;\n"
"}\n";
static const char* FS =
"struct VertToFrag\n"
"{\n"
" float4 position : SV_Position;\n"
" float4 color : COLOR;\n"
"};\n"
"\n"
"float4 main(in VertToFrag vtf) : SV_Target0\n"
"{\n"
" return vtf.color;\n"
"}\n";
URDE_DECL_SPECIALIZE_MULTI_BLEND_SHADER(CColoredQuadFilter)
static boo::ObjToken<boo::IVertexFormat> s_VtxFmt;
static boo::ObjToken<boo::IShaderPipeline> s_AlphaPipeline;
static boo::ObjToken<boo::IShaderPipeline> s_AddPipeline;
static boo::ObjToken<boo::IShaderPipeline> s_MultPipeline;
static boo::ObjToken<boo::IShaderPipeline> SelectPipeline(EFilterType type)
{
switch (type)
{
case EFilterType::Blend:
return s_AlphaPipeline;
case EFilterType::Add:
return s_AddPipeline;
case EFilterType::Multiply:
return s_MultPipeline;
default:
return {};
}
}
struct CColoredQuadFilterD3DDataBindingFactory : TMultiBlendShader<CColoredQuadFilter>::IDataBindingFactory
{
boo::ObjToken<boo::IShaderDataBinding>
BuildShaderDataBinding(boo::IGraphicsDataFactory::Context& ctx,
EFilterType type, CColoredQuadFilter& filter)
{
boo::D3DDataFactory::Context& cctx = static_cast<boo::D3DDataFactory::Context&>(ctx);
boo::ObjToken<boo::IGraphicsBuffer> bufs[] = {filter.m_uniBuf.get()};
return cctx.newShaderDataBinding(SelectPipeline(type), s_VtxFmt,
filter.m_vbo.get(), nullptr, nullptr, 1, bufs,
nullptr, nullptr, nullptr, 0, nullptr, nullptr, nullptr);
}
};
TMultiBlendShader<CColoredQuadFilter>::IDataBindingFactory*
CColoredQuadFilter::Initialize(boo::D3DDataFactory::Context& ctx)
{
const boo::VertexElementDescriptor VtxVmt[] =
{
{nullptr, nullptr, boo::VertexSemantic::Position4}
};
s_VtxFmt = ctx.newVertexFormat(1, VtxVmt);
s_AlphaPipeline = ctx.newShaderPipeline(VS, FS, nullptr, nullptr, nullptr,
s_VtxFmt, boo::BlendFactor::SrcAlpha,
boo::BlendFactor::InvSrcAlpha, boo::Primitive::TriStrips,
boo::ZTest::None, false, true, false, boo::CullMode::None);
s_AddPipeline = ctx.newShaderPipeline(VS, FS, nullptr, nullptr, nullptr,
s_VtxFmt, boo::BlendFactor::SrcAlpha,
boo::BlendFactor::One, boo::Primitive::TriStrips,
boo::ZTest::None, false, true, false, boo::CullMode::None);
s_MultPipeline = ctx.newShaderPipeline(VS, FS, nullptr, nullptr, nullptr,
s_VtxFmt, boo::BlendFactor::Zero,
boo::BlendFactor::SrcColor, boo::Primitive::TriStrips,
boo::ZTest::None, false, true, false, boo::CullMode::None);
return new CColoredQuadFilterD3DDataBindingFactory;
}
template <>
void CColoredQuadFilter::Shutdown<boo::D3DDataFactory>()
{
s_VtxFmt.reset();
s_AlphaPipeline.reset();
s_AddPipeline.reset();
s_MultPipeline.reset();
}
}