mirror of https://github.com/AxioDL/metaforce.git
117 lines
3.8 KiB
C++
117 lines
3.8 KiB
C++
#include "CColoredQuadFilter.hpp"
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namespace urde
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{
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static const char* VS =
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"#include <metal_stdlib>\n"
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"using namespace metal;\n"
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"struct VertData\n"
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"{\n"
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" float4 posIn [[ attribute(0) ]];\n"
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"};\n"
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"\n"
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"struct ColoredQuadUniform\n"
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"{\n"
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" float4x4 xf;\n"
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" float4 color;\n"
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"};\n"
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"\n"
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"struct VertToFrag\n"
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"{\n"
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" float4 position [[ position ]];\n"
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" float4 color;\n"
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"};\n"
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"\n"
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"vertex VertToFrag vmain(VertData v [[ stage_in ]], constant ColoredQuadUniform& cqu [[ buffer(2) ]])\n"
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"{\n"
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" VertToFrag vtf;\n"
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" vtf.color = cqu.color;\n"
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" vtf.position = cqu.xf * float4(v.posIn.xyz, 1.0);\n"
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" return vtf;\n"
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"}\n";
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static const char* FS =
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"#include <metal_stdlib>\n"
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"using namespace metal;\n"
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"struct VertToFrag\n"
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"{\n"
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" float4 position [[ position ]];\n"
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" float4 color;\n"
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"};\n"
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"\n"
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"fragment float4 fmain(VertToFrag vtf [[ stage_in ]])\n"
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"{\n"
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" return vtf.color;\n"
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"}\n";
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URDE_DECL_SPECIALIZE_MULTI_BLEND_SHADER(CColoredQuadFilter)
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static boo::ObjToken<boo::IVertexFormat> s_VtxFmt;
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static boo::ObjToken<boo::IShaderPipeline> s_AlphaPipeline;
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static boo::ObjToken<boo::IShaderPipeline> s_AddPipeline;
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static boo::ObjToken<boo::IShaderPipeline> s_MultPipeline;
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static boo::ObjToken<boo::IShaderPipeline> SelectPipeline(EFilterType type)
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{
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switch (type)
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{
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case EFilterType::Blend:
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return s_AlphaPipeline;
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case EFilterType::Add:
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return s_AddPipeline;
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case EFilterType::Multiply:
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return s_MultPipeline;
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default:
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return {};
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}
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}
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struct CColoredQuadFilterMetalDataBindingFactory : TMultiBlendShader<CColoredQuadFilter>::IDataBindingFactory
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{
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boo::ObjToken<boo::IShaderDataBinding> BuildShaderDataBinding(boo::IGraphicsDataFactory::Context& ctx,
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EFilterType type, CColoredQuadFilter& filter)
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{
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boo::MetalDataFactory::Context& cctx = static_cast<boo::MetalDataFactory::Context&>(ctx);
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boo::ObjToken<boo::IGraphicsBuffer> bufs[] = {filter.m_uniBuf.get()};
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return cctx.newShaderDataBinding(SelectPipeline(type), s_VtxFmt,
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filter.m_vbo.get(), nullptr, nullptr, 1, bufs,
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nullptr, nullptr, nullptr, 0, nullptr, nullptr, nullptr);
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}
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};
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TMultiBlendShader<CColoredQuadFilter>::IDataBindingFactory*
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CColoredQuadFilter::Initialize(boo::MetalDataFactory::Context& ctx)
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{
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const boo::VertexElementDescriptor VtxVmt[] =
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{
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{nullptr, nullptr, boo::VertexSemantic::Position4}
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};
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s_VtxFmt = ctx.newVertexFormat(1, VtxVmt);
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s_AlphaPipeline = ctx.newShaderPipeline(VS, FS, nullptr, nullptr,
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s_VtxFmt, boo::BlendFactor::SrcAlpha,
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boo::BlendFactor::InvSrcAlpha, boo::Primitive::TriStrips,
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boo::ZTest::None, false, true, false, boo::CullMode::None);
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s_AddPipeline = ctx.newShaderPipeline(VS, FS, nullptr, nullptr,
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s_VtxFmt, boo::BlendFactor::SrcAlpha,
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boo::BlendFactor::One, boo::Primitive::TriStrips,
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boo::ZTest::None, false, true, false, boo::CullMode::None);
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s_MultPipeline = ctx.newShaderPipeline(VS, FS, nullptr, nullptr,
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s_VtxFmt, boo::BlendFactor::Zero,
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boo::BlendFactor::SrcColor, boo::Primitive::TriStrips,
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boo::ZTest::None, false, true, false, boo::CullMode::None);
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return new CColoredQuadFilterMetalDataBindingFactory;
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}
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template <>
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void CColoredQuadFilter::Shutdown<boo::MetalDataFactory>()
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{
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s_VtxFmt.reset();
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s_AlphaPipeline.reset();
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s_AddPipeline.reset();
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s_MultPipeline.reset();
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}
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}
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