mirror of https://github.com/AxioDL/metaforce.git
692 lines
28 KiB
C++
692 lines
28 KiB
C++
#include "hecl/Backend/Metal.hpp"
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#if BOO_HAS_METAL
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#include <athena/MemoryReader.hpp>
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#include <athena/MemoryWriter.hpp>
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#include <boo/graphicsdev/Metal.hpp>
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static logvisor::Module Log("hecl::Backend::Metal");
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namespace hecl::Backend
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{
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std::string Metal::EmitTexGenSource2(TexGenSrc src, int uvIdx) const
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{
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switch (src)
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{
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case TexGenSrc::Position:
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return "vtf.mvPos.xy\n";
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case TexGenSrc::Normal:
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return "vtf.mvNorm.xy\n";
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case TexGenSrc::UV:
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return hecl::Format("v.uvIn%u", uvIdx);
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default: break;
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}
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return std::string();
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}
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std::string Metal::EmitTexGenSource4(TexGenSrc src, int uvIdx) const
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{
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switch (src)
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{
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case TexGenSrc::Position:
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return "float4(vtf.mvPos.xyz, 1.0)\n";
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case TexGenSrc::Normal:
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return "float4(vtf.mvNorm.xyz, 1.0)\n";
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case TexGenSrc::UV:
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return hecl::Format("float4(v.uvIn%u, 0.0, 1.0)", uvIdx);
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default: break;
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}
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return std::string();
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}
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std::string Metal::GenerateVertInStruct(unsigned col, unsigned uv, unsigned w) const
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{
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std::string retval =
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"struct VertData\n"
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"{\n"
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" float3 posIn [[ attribute(0) ]];\n"
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" float3 normIn [[ attribute(1) ]];\n";
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unsigned idx = 2;
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if (col)
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{
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for (unsigned i=0 ; i<col ; ++i, ++idx)
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retval += hecl::Format(" float4 colIn%u [[ attribute(%u) ]];\n", i, idx);
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}
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if (uv)
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{
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for (unsigned i=0 ; i<uv ; ++i, ++idx)
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retval += hecl::Format(" float2 uvIn%u [[ attribute(%u) ]];\n", i, idx);
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}
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if (w)
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{
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for (unsigned i=0 ; i<w ; ++i, ++idx)
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retval += hecl::Format(" float4 weightIn%u [[ attribute(%u) ]];\n", i, idx);
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}
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return retval + "};\n";
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}
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std::string Metal::GenerateVertToFragStruct(size_t extTexCount, bool reflectionCoords) const
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{
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std::string retval =
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"struct VertToFrag\n"
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"{\n"
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" float4 mvpPos [[ position ]];\n"
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" float4 mvPos;\n"
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" float4 mvNorm;\n";
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if (m_tcgs.size())
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for (size_t i=0 ; i<m_tcgs.size() ; ++i)
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retval += hecl::Format(" float2 tcgs%" PRISize ";\n", i);
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if (extTexCount)
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for (size_t i=0 ; i<extTexCount ; ++i)
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retval += hecl::Format(" float2 extTcgs%" PRISize ";\n", i);
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if (reflectionCoords)
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retval += " float2 reflectTcgs0;\n"
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" float2 reflectTcgs1;\n"
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" float reflectAlpha;\n";
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return retval + "};\n";
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}
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std::string Metal::GenerateVertUniformStruct(unsigned skinSlots) const
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{
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if (skinSlots == 0)
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skinSlots = 1;
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std::string retval = hecl::Format("struct HECLVertUniform\n"
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"{\n"
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" float4x4 mv[%u];\n"
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" float4x4 mvInv[%u];\n"
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" float4x4 proj;\n"
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"};\n"
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"struct TexMtxs {float4x4 mtx; float4x4 postMtx;};\n"
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"struct ReflectTexMtxs {float4x4 indMtx; float4x4 reflectMtx; float reflectAlpha;};\n",
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skinSlots, skinSlots);
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return retval;
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}
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std::string Metal::GenerateFragOutStruct() const
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{
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return "struct FragOut\n"
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"{\n"
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" float4 color [[ color(0) ]];\n"
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" //float depth [[ depth(less) ]];\n"
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"};\n";
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}
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std::string Metal::GenerateAlphaTest() const
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{
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return " if (out.color.a < 0.01)\n"
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" {\n"
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" discard_fragment();\n"
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" }\n";
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}
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std::string Metal::GenerateReflectionExpr(ReflectionType type) const
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{
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switch (type)
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{
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case ReflectionType::None:
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default:
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return "float3(0.0, 0.0, 0.0)";
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case ReflectionType::Simple:
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return "reflectionTex.sample(samp, vtf.reflectTcgs1).rgb * vtf.reflectAlpha";
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case ReflectionType::Indirect:
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return "reflectionTex.sample(samp, (reflectionIndTex.sample(samp, vtf.reflectTcgs0).rg - "
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"float2(0.5, 0.5)) * float2(0.5, 0.5) + vtf.reflectTcgs1).rgb * vtf.reflectAlpha";
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}
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}
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void Metal::reset(const IR& ir, Diagnostics& diag)
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{
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/* Common programmable interpretation */
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ProgrammableCommon::reset(ir, diag, "Metal");
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}
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std::string Metal::makeVert(unsigned col, unsigned uv, unsigned w,
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unsigned s, size_t extTexCount,
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const TextureInfo* extTexs, ReflectionType reflectionType) const
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{
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std::string tmStr = ",\nconstant TexMtxs* texMtxs [[ buffer(3) ]]";
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if (reflectionType != ReflectionType::None)
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tmStr += ",\nconstant ReflectTexMtxs& reflectMtxs [[ buffer(5) ]]";
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std::string retval = "#include <metal_stdlib>\nusing namespace metal;\n" +
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GenerateVertInStruct(col, uv, w) + "\n" +
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GenerateVertToFragStruct(extTexCount, reflectionType != ReflectionType::None) + "\n" +
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GenerateVertUniformStruct(s) +
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"\nvertex VertToFrag vmain(VertData v [[ stage_in ]],\n"
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" constant HECLVertUniform& vu [[ buffer(2) ]]" + tmStr + ")\n"
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"{\n"
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" VertToFrag vtf;\n";
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if (s)
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{
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/* skinned */
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retval += " float4 posAccum = float4(0.0,0.0,0.0,0.0);\n"
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" float4 normAccum = float4(0.0,0.0,0.0,0.0);\n";
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for (size_t i=0 ; i<s ; ++i)
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retval += hecl::Format(" posAccum += (vu.mv[%" PRISize "] * float4(v.posIn, 1.0)) * v.weightIn%" PRISize "[%" PRISize "];\n"
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" normAccum += (vu.mvInv[%" PRISize "] * float4(v.normIn, 1.0)) * v.weightIn%" PRISize "[%" PRISize "];\n",
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i, i/4, i%4, i, i/4, i%4);
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retval += " posAccum[3] = 1.0;\n"
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" vtf.mvPos = posAccum;\n"
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" vtf.mvNorm = float4(normalize(normAccum.xyz), 0.0);\n"
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" vtf.mvpPos = vu.proj * posAccum;\n";
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}
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else
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{
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/* non-skinned */
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retval += " vtf.mvPos = vu.mv[0] * float4(v.posIn, 1.0);\n"
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" vtf.mvNorm = vu.mvInv[0] * float4(v.normIn, 0.0);\n"
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" vtf.mvpPos = vu.proj * vtf.mvPos;\n";
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}
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retval += " float4 tmpProj;\n";
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int tcgIdx = 0;
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for (const TexCoordGen& tcg : m_tcgs)
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{
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if (tcg.m_mtx < 0)
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retval += hecl::Format(" vtf.tcgs%u = %s;\n", tcgIdx,
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EmitTexGenSource2(tcg.m_src, tcg.m_uvIdx).c_str());
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else
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retval += hecl::Format(" tmpProj = texMtxs[%u].postMtx * float4(%s((texMtxs[%u].mtx * %s).xyz), 1.0);\n"
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" vtf.tcgs%u = (tmpProj / tmpProj.w).xy;\n", tcg.m_mtx,
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tcg.m_norm ? "normalize" : "", tcg.m_mtx,
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EmitTexGenSource4(tcg.m_src, tcg.m_uvIdx).c_str(), tcgIdx);
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++tcgIdx;
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}
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for (int i=0 ; i<extTexCount ; ++i)
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{
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const TextureInfo& extTex = extTexs[i];
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if (extTex.mtxIdx < 0)
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retval += hecl::Format(" vtf.extTcgs%u = %s;\n", i,
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EmitTexGenSource2(extTex.src, extTex.uvIdx).c_str());
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else
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retval += hecl::Format(" tmpProj = texMtxs[%u].postMtx * float4(%s((texMtxs[%u].mtx * %s).xyz), 1.0);\n"
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" vtf.extTcgs%u = (tmpProj / tmpProj.w).xy;\n", extTex.mtxIdx,
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extTex.normalize ? "normalize" : "", extTex.mtxIdx,
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EmitTexGenSource4(extTex.src, extTex.uvIdx).c_str(), i);
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}
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if (reflectionType != ReflectionType::None)
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retval += " vtf.reflectTcgs0 = normalize((reflectMtxs.indMtx * float4(v.posIn, 1.0)).xz) * float2(0.5, 0.5) + float2(0.5, 0.5);\n"
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" vtf.reflectTcgs1 = (reflectMtxs.reflectMtx * float4(v.posIn, 1.0)).xy;\n"
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" vtf.reflectAlpha = reflectMtxs.reflectAlpha;\n";
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return retval + " return vtf;\n}\n";
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}
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std::string Metal::makeFrag(size_t blockCount, const char** blockNames, bool alphaTest,
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ReflectionType reflectionType, const ShaderFunction& lighting) const
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{
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std::string lightingSrc;
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if (lighting.m_source)
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lightingSrc = lighting.m_source;
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std::string texMapDecl;
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if (m_texMapEnd)
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for (int i=0 ; i<m_texMapEnd ; ++i)
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texMapDecl += hecl::Format(",\ntexture2d<float> tex%u [[ texture(%u) ]]", i, i);
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if (reflectionType == ReflectionType::Indirect)
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texMapDecl += hecl::Format(",\ntexture2d<float> reflectionIndTex [[ texture(%u) ]]\n"
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",\ntexture2d<float> reflectionTex [[ texture(%u) ]]\n",
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m_texMapEnd, m_texMapEnd+1);
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else if (reflectionType == ReflectionType::Simple)
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texMapDecl += hecl::Format(",\ntexture2d<float> reflectionTex [[ texture(%u) ]]\n",
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m_texMapEnd);
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std::string blockCall;
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for (size_t i=0 ; i<blockCount ; ++i)
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{
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texMapDecl += hecl::Format(",\nconstant %s& block%" PRISize " [[ buffer(%" PRISize ") ]]", blockNames[i], i, i + 4);
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if (blockCall.size())
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blockCall += ", ";
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blockCall += hecl::Format("block%" PRISize, i);
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}
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std::string retval = "#include <metal_stdlib>\nusing namespace metal;\n" +
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GenerateVertToFragStruct(0, reflectionType != ReflectionType::None) + "\n" +
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GenerateFragOutStruct() + "\n" +
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lightingSrc + "\n" +
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"fragment FragOut fmain(VertToFrag vtf [[ stage_in ]],\n"
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"sampler samp [[ sampler(0) ]], sampler clampSamp [[ sampler(1) ]]" + texMapDecl + ")\n"
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"{\n"
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" FragOut out;\n";
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if (lighting.m_source)
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{
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retval += " float4 colorReg0 = block0.colorReg0;\n"
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" float4 colorReg1 = block0.colorReg1;\n"
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" float4 colorReg2 = block0.colorReg2;\n"
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" float4 mulColor = block0.mulColor;\n";
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}
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else
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{
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retval += " float4 colorReg0 = float4(1.0, 1.0, 1.0, 1.0);\n"
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" float4 colorReg1 = float4(1.0, 1.0, 1.0, 1.0);\n"
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" float4 colorReg2 = float4(1.0, 1.0, 1.0, 1.0);\n"
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" float4 mulColor = float4(1.0, 1.0, 1.0, 1.0);\n";
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}
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if (m_lighting)
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{
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if (lighting.m_entry)
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retval += hecl::Format(" float4 lighting = %s(%s, vtf.mvPos, vtf.mvNorm, vtf);\n", lighting.m_entry, blockCall.c_str());
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else
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retval += " float4 lighting = float4(1.0,1.0,1.0,1.0);\n";
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}
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unsigned sampIdx = 0;
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for (const TexSampling& sampling : m_texSamplings)
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retval += hecl::Format(" float4 sampling%u = tex%u.sample(samp, vtf.tcgs%u);\n",
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sampIdx++, sampling.mapIdx, sampling.tcgIdx);
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std::string reflectionExpr = GenerateReflectionExpr(reflectionType);
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if (m_alphaExpr.size())
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retval += " out.color = float4(" + m_colorExpr + " + " + reflectionExpr + ", " + m_alphaExpr + ") * mulColor;\n";
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else
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retval += " out.color = float4(" + m_colorExpr + " + " + reflectionExpr + ", 1.0) * mulColor;\n";
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return retval + (alphaTest ? GenerateAlphaTest() : "") +
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" //out.depth = 1.0 - float(int((1.0 - vtf.mvpPos.z) * 16777216.0)) / 16777216.0;\n"
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" return out;\n"
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"}\n";
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}
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std::string Metal::makeFrag(size_t blockCount, const char** blockNames, bool alphaTest,
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ReflectionType reflectionType, const ShaderFunction& lighting,
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const ShaderFunction& post, size_t extTexCount,
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const TextureInfo* extTexs) const
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{
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std::string lightingSrc;
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if (lighting.m_source)
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lightingSrc = lighting.m_source;
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std::string postSrc;
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if (post.m_source)
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postSrc = post.m_source;
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std::string lightingEntry;
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if (lighting.m_entry)
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lightingEntry = lighting.m_entry;
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std::string postEntry;
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if (post.m_entry)
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postEntry = post.m_entry;
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int extTexBits = 0;
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for (int i=0 ; i<extTexCount ; ++i)
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{
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const TextureInfo& extTex = extTexs[i];
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extTexBits |= 1 << extTex.mapIdx;
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}
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std::string texMapDecl;
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if (m_texMapEnd)
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for (int i=0 ; i<m_texMapEnd ; ++i)
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if (!(extTexBits & (1 << i)))
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texMapDecl += hecl::Format(",\ntexture2d<float> tex%u [[ texture(%u) ]]", i, i);
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if (reflectionType == ReflectionType::Indirect)
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texMapDecl += hecl::Format(",\ntexture2d<float> reflectionIndTex [[ texture(%u) ]]\n"
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",\ntexture2d<float> reflectionTex [[ texture(%u) ]]\n",
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m_texMapEnd, m_texMapEnd+1);
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else if (reflectionType == ReflectionType::Simple)
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texMapDecl += hecl::Format(",\ntexture2d<float> reflectionTex [[ texture(%u) ]]\n",
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m_texMapEnd);
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std::string extTexCall;
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for (int i=0 ; i<extTexCount ; ++i)
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{
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const TextureInfo& extTex = extTexs[i];
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if (extTexCall.size())
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extTexCall += ", ";
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extTexCall += hecl::Format("tex%u", extTex.mapIdx);
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texMapDecl += hecl::Format(",\ntexture2d<float> tex%u [[ texture(%u) ]]", extTex.mapIdx, extTex.mapIdx);
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extTexBits |= 1 << extTex.mapIdx;
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}
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std::string blockCall;
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for (size_t i=0 ; i<blockCount ; ++i)
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{
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texMapDecl += hecl::Format(",\nconstant %s& block%" PRISize " [[ buffer(%" PRISize ") ]]", blockNames[i], i, i + 4);
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if (blockCall.size())
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blockCall += ", ";
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blockCall += hecl::Format("block%" PRISize, i);
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}
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std::string retval = "#include <metal_stdlib>\nusing namespace metal;\n" +
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GenerateVertToFragStruct(extTexCount, reflectionType != ReflectionType::None) + "\n" +
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GenerateFragOutStruct() + "\n" +
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lightingSrc + "\n" +
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postSrc + "\n" +
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"fragment FragOut fmain(VertToFrag vtf [[ stage_in ]],\n"
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"sampler samp [[ sampler(0) ]], sampler clampSamp [[ sampler(1) ]]" + texMapDecl + ")\n"
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"{\n"
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" FragOut out;\n";
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if (lighting.m_source)
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{
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retval += " float4 colorReg0 = block0.colorReg0;\n"
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" float4 colorReg1 = block0.colorReg1;\n"
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" float4 colorReg2 = block0.colorReg2;\n"
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" float4 mulColor = block0.mulColor;\n";
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}
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else
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{
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retval += " float4 colorReg0 = float4(1.0, 1.0, 1.0, 1.0);\n"
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" float4 colorReg1 = float4(1.0, 1.0, 1.0, 1.0);\n"
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" float4 colorReg2 = float4(1.0, 1.0, 1.0, 1.0);\n"
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" float4 mulColor = float4(1.0, 1.0, 1.0, 1.0);\n";
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}
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if (m_lighting)
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{
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if (lighting.m_entry)
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{
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retval += " float4 lighting = " + lightingEntry + "(" + blockCall + ", vtf.mvPos, vtf.mvNorm, vtf" +
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(!strncmp(lighting.m_entry, "EXT", 3) ? (extTexCall.size() ? (", samp, clampSamp," + extTexCall) : "") : "") + ");\n";
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}
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else
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retval += " float4 lighting = float4(1.0,1.0,1.0,1.0);\n";
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}
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unsigned sampIdx = 0;
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for (const TexSampling& sampling : m_texSamplings)
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retval += hecl::Format(" float4 sampling%u = tex%u.sample(samp, vtf.tcgs%u);\n",
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sampIdx++, sampling.mapIdx, sampling.tcgIdx);
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std::string reflectionExpr = GenerateReflectionExpr(reflectionType);
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if (m_alphaExpr.size())
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{
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retval += " out.color = " + postEntry + "(" +
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(postEntry.size() ? ("vtf, " + (blockCall.size() ? (blockCall + ", ") : "") +
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(!strncmp(post.m_entry, "EXT", 3) ? (extTexCall.size() ? ("samp, clampSamp," + extTexCall + ", ") : "") : "")) : "") +
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"float4(" + m_colorExpr + " + " + reflectionExpr + ", " + m_alphaExpr + ")) * mulColor;\n";
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}
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else
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{
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retval += " out.color = " + postEntry + "(" +
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(postEntry.size() ? ("vtf, " + (blockCall.size() ? (blockCall + ", ") : "") +
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(!strncmp(post.m_entry, "EXT", 3) ? (extTexCall.size() ? ("samp, clampSamp," + extTexCall + ", ") : "") : "")) : "") +
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"float4(" + m_colorExpr + " + " + reflectionExpr + ", 1.0)) * mulColor;\n";
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}
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return retval + (alphaTest ? GenerateAlphaTest() : "") +
|
|
" //out.depth = 1.0 - float(int((1.0 - vtf.mvpPos.z) * 16777216.0)) / 16777216.0;\n"
|
|
" return out;\n"
|
|
"}\n";
|
|
}
|
|
|
|
}
|
|
|
|
namespace hecl::Runtime
|
|
{
|
|
|
|
struct MetalBackendFactory : IShaderBackendFactory
|
|
{
|
|
Backend::Metal m_backend;
|
|
|
|
ShaderCachedData buildShaderFromIR(const ShaderTag& tag,
|
|
const hecl::Frontend::IR& ir,
|
|
hecl::Frontend::Diagnostics& diag,
|
|
boo::IGraphicsDataFactory::Context& ctx,
|
|
boo::ObjToken<boo::IShaderPipeline>& objOut)
|
|
{
|
|
m_backend.reset(ir, diag);
|
|
size_t cachedSz = 2;
|
|
|
|
std::string vertSource =
|
|
m_backend.makeVert(tag.getColorCount(), tag.getUvCount(), tag.getWeightCount(),
|
|
tag.getSkinSlotCount(), 0, nullptr, tag.getReflectionType());
|
|
|
|
std::string fragSource = m_backend.makeFrag(0, nullptr,
|
|
tag.getDepthWrite() && m_backend.m_blendDst == hecl::Backend::BlendFactor::InvSrcAlpha,
|
|
tag.getReflectionType());
|
|
|
|
std::vector<uint8_t> vertBlob;
|
|
std::vector<uint8_t> fragBlob;
|
|
objOut =
|
|
static_cast<boo::MetalDataFactory::Context&>(ctx).
|
|
newShaderPipeline(vertSource.c_str(), fragSource.c_str(),
|
|
&vertBlob, &fragBlob,
|
|
tag.newVertexFormat(ctx),
|
|
boo::BlendFactor(m_backend.m_blendSrc),
|
|
boo::BlendFactor(m_backend.m_blendDst),
|
|
tag.getPrimType(),
|
|
tag.getDepthTest() ? boo::ZTest::LEqual : boo::ZTest::None, tag.getDepthWrite(), true, true,
|
|
tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None);
|
|
if (!objOut)
|
|
Log.report(logvisor::Fatal, "unable to build shader");
|
|
|
|
cachedSz += vertBlob.size() + 4;
|
|
cachedSz += fragBlob.size() + 4;
|
|
|
|
ShaderCachedData dataOut(tag, cachedSz);
|
|
athena::io::MemoryWriter w(dataOut.m_data.get(), dataOut.m_sz);
|
|
w.writeUByte(atUint8(m_backend.m_blendSrc));
|
|
w.writeUByte(atUint8(m_backend.m_blendDst));
|
|
w.writeUint32Big(vertBlob.size());
|
|
w.writeUBytes(vertBlob.data(), vertBlob.size());
|
|
w.writeUint32Big(fragBlob.size());
|
|
w.writeUBytes(fragBlob.data(), fragBlob.size());
|
|
|
|
return dataOut;
|
|
}
|
|
|
|
boo::ObjToken<boo::IShaderPipeline> buildShaderFromCache(const ShaderCachedData& data,
|
|
boo::IGraphicsDataFactory::Context& ctx)
|
|
{
|
|
const ShaderTag& tag = data.m_tag;
|
|
athena::io::MemoryReader r(data.m_data.get(), data.m_sz, false, false);
|
|
boo::BlendFactor blendSrc = boo::BlendFactor(r.readUByte());
|
|
boo::BlendFactor blendDst = boo::BlendFactor(r.readUByte());
|
|
std::vector<uint8_t> vertBlob;
|
|
std::vector<uint8_t> fragBlob;
|
|
atUint32 vertLen = r.readUint32Big();
|
|
if (vertLen)
|
|
{
|
|
vertBlob.resize(vertLen);
|
|
r.readUBytesToBuf(&vertBlob[0], vertLen);
|
|
}
|
|
atUint32 fragLen = r.readUint32Big();
|
|
if (fragLen)
|
|
{
|
|
fragBlob.resize(fragLen);
|
|
r.readUBytesToBuf(&fragBlob[0], fragLen);
|
|
}
|
|
|
|
if (r.hasError())
|
|
return nullptr;
|
|
|
|
auto ret =
|
|
static_cast<boo::MetalDataFactory::Context&>(ctx).
|
|
newShaderPipeline(nullptr, nullptr,
|
|
&vertBlob, &fragBlob,
|
|
tag.newVertexFormat(ctx),
|
|
blendSrc, blendDst, tag.getPrimType(),
|
|
tag.getDepthTest() ? boo::ZTest::LEqual : boo::ZTest::None, tag.getDepthWrite(), true, true,
|
|
tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None);
|
|
if (!ret)
|
|
Log.report(logvisor::Fatal, "unable to build shader");
|
|
return ret;
|
|
}
|
|
|
|
ShaderCachedData buildExtendedShaderFromIR(const ShaderTag& tag,
|
|
const hecl::Frontend::IR& ir,
|
|
hecl::Frontend::Diagnostics& diag,
|
|
const std::vector<ShaderCacheExtensions::ExtensionSlot>& extensionSlots,
|
|
boo::IGraphicsDataFactory::Context& ctx,
|
|
FReturnExtensionShader returnFunc)
|
|
{
|
|
m_backend.reset(ir, diag);
|
|
size_t cachedSz = 2;
|
|
|
|
std::vector<std::pair<std::vector<uint8_t>, std::vector<uint8_t>>> blobs;
|
|
blobs.reserve(extensionSlots.size());
|
|
for (const ShaderCacheExtensions::ExtensionSlot& slot : extensionSlots)
|
|
{
|
|
std::string vertSource =
|
|
m_backend.makeVert(tag.getColorCount(), tag.getUvCount(), tag.getWeightCount(),
|
|
tag.getSkinSlotCount(), slot.texCount, slot.texs,
|
|
slot.noReflection ? Backend::ReflectionType::None : tag.getReflectionType());
|
|
std::string fragSource =
|
|
m_backend.makeFrag(slot.blockCount, slot.blockNames,
|
|
tag.getDepthWrite() && m_backend.m_blendDst == hecl::Backend::BlendFactor::InvSrcAlpha,
|
|
slot.noReflection ? Backend::ReflectionType::None : tag.getReflectionType(),
|
|
slot.lighting, slot.post, slot.texCount, slot.texs);
|
|
|
|
boo::ZTest zTest;
|
|
switch (slot.depthTest)
|
|
{
|
|
case hecl::Backend::ZTest::Original:
|
|
default:
|
|
zTest = tag.getDepthTest() ? boo::ZTest::LEqual : boo::ZTest::None;
|
|
break;
|
|
case hecl::Backend::ZTest::None:
|
|
zTest = boo::ZTest::None;
|
|
break;
|
|
case hecl::Backend::ZTest::LEqual:
|
|
zTest = boo::ZTest::LEqual;
|
|
break;
|
|
case hecl::Backend::ZTest::Greater:
|
|
zTest = boo::ZTest::Greater;
|
|
break;
|
|
case hecl::Backend::ZTest::Equal:
|
|
zTest = boo::ZTest::Equal;
|
|
break;
|
|
case hecl::Backend::ZTest::GEqual:
|
|
zTest = boo::ZTest::GEqual;
|
|
break;
|
|
}
|
|
|
|
blobs.emplace_back();
|
|
auto ret =
|
|
static_cast<boo::MetalDataFactory::Context&>(ctx).
|
|
newShaderPipeline(vertSource.c_str(), fragSource.c_str(),
|
|
&blobs.back().first, &blobs.back().second,
|
|
tag.newVertexFormat(ctx),
|
|
boo::BlendFactor((slot.srcFactor == hecl::Backend::BlendFactor::Original) ? m_backend.m_blendSrc : slot.srcFactor),
|
|
boo::BlendFactor((slot.dstFactor == hecl::Backend::BlendFactor::Original) ? m_backend.m_blendDst : slot.dstFactor),
|
|
tag.getPrimType(), zTest, slot.noDepthWrite ? false : tag.getDepthWrite(),
|
|
!slot.noColorWrite, !slot.noAlphaWrite,
|
|
(slot.cullMode == hecl::Backend::CullMode::Original) ?
|
|
(tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None) :
|
|
boo::CullMode(slot.cullMode), !slot.noAlphaOverwrite);
|
|
if (!ret)
|
|
Log.report(logvisor::Fatal, "unable to build shader");
|
|
|
|
cachedSz += blobs.back().first.size() + 4;
|
|
cachedSz += blobs.back().second.size() + 4;
|
|
returnFunc(ret);
|
|
}
|
|
|
|
ShaderCachedData dataOut(tag, cachedSz);
|
|
athena::io::MemoryWriter w(dataOut.m_data.get(), dataOut.m_sz);
|
|
w.writeUByte(atUint8(m_backend.m_blendSrc));
|
|
w.writeUByte(atUint8(m_backend.m_blendDst));
|
|
for (auto& blob : blobs)
|
|
{
|
|
w.writeUint32Big(blob.first.size());
|
|
w.writeUBytes(blob.first.data(), blob.first.size());
|
|
w.writeUint32Big(blob.second.size());
|
|
w.writeUBytes(blob.second.data(), blob.second.size());
|
|
}
|
|
|
|
return dataOut;
|
|
}
|
|
|
|
bool buildExtendedShaderFromCache(const ShaderCachedData& data,
|
|
const std::vector<ShaderCacheExtensions::ExtensionSlot>& extensionSlots,
|
|
boo::IGraphicsDataFactory::Context& ctx,
|
|
FReturnExtensionShader returnFunc)
|
|
{
|
|
const ShaderTag& tag = data.m_tag;
|
|
athena::io::MemoryReader r(data.m_data.get(), data.m_sz, false, false);
|
|
hecl::Backend::BlendFactor blendSrc = hecl::Backend::BlendFactor(r.readUByte());
|
|
hecl::Backend::BlendFactor blendDst = hecl::Backend::BlendFactor(r.readUByte());
|
|
|
|
if (r.hasError())
|
|
return false;
|
|
|
|
for (const ShaderCacheExtensions::ExtensionSlot& slot : extensionSlots)
|
|
{
|
|
std::vector<uint8_t> vertBlob;
|
|
std::vector<uint8_t> fragBlob;
|
|
atUint32 vertLen = r.readUint32Big();
|
|
if (vertLen)
|
|
{
|
|
vertBlob.resize(vertLen);
|
|
r.readUBytesToBuf(&vertBlob[0], vertLen);
|
|
}
|
|
atUint32 fragLen = r.readUint32Big();
|
|
if (fragLen)
|
|
{
|
|
fragBlob.resize(fragLen);
|
|
r.readUBytesToBuf(&fragBlob[0], fragLen);
|
|
}
|
|
|
|
if (r.hasError())
|
|
return false;
|
|
|
|
boo::ZTest zTest;
|
|
switch (slot.depthTest)
|
|
{
|
|
case hecl::Backend::ZTest::Original:
|
|
default:
|
|
zTest = tag.getDepthTest() ? boo::ZTest::LEqual : boo::ZTest::None;
|
|
break;
|
|
case hecl::Backend::ZTest::None:
|
|
zTest = boo::ZTest::None;
|
|
break;
|
|
case hecl::Backend::ZTest::LEqual:
|
|
zTest = boo::ZTest::LEqual;
|
|
break;
|
|
case hecl::Backend::ZTest::Greater:
|
|
zTest = boo::ZTest::Greater;
|
|
break;
|
|
case hecl::Backend::ZTest::Equal:
|
|
zTest = boo::ZTest::Equal;
|
|
break;
|
|
case hecl::Backend::ZTest::GEqual:
|
|
zTest = boo::ZTest::GEqual;
|
|
break;
|
|
}
|
|
|
|
auto ret =
|
|
static_cast<boo::MetalDataFactory::Context&>(ctx).
|
|
newShaderPipeline(nullptr, nullptr,
|
|
&vertBlob, &fragBlob,
|
|
tag.newVertexFormat(ctx),
|
|
boo::BlendFactor((slot.srcFactor == hecl::Backend::BlendFactor::Original) ? blendSrc : slot.srcFactor),
|
|
boo::BlendFactor((slot.dstFactor == hecl::Backend::BlendFactor::Original) ? blendDst : slot.dstFactor),
|
|
tag.getPrimType(), zTest, slot.noDepthWrite ? false : tag.getDepthWrite(),
|
|
!slot.noColorWrite, !slot.noAlphaWrite,
|
|
(slot.cullMode == hecl::Backend::CullMode::Original) ?
|
|
(tag.getBackfaceCulling() ? boo::CullMode::Backface : boo::CullMode::None) :
|
|
boo::CullMode(slot.cullMode), !slot.noAlphaOverwrite);
|
|
if (!ret)
|
|
Log.report(logvisor::Fatal, "unable to build shader");
|
|
returnFunc(ret);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
};
|
|
|
|
IShaderBackendFactory* _NewMetalBackendFactory()
|
|
{
|
|
return new struct MetalBackendFactory();
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|