mirror of https://github.com/AxioDL/metaforce.git
568 lines
21 KiB
C++
568 lines
21 KiB
C++
#include "hecl/Backend/HLSL.hpp"
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#include "hecl/Runtime.hpp"
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#include <athena/MemoryReader.hpp>
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#include <athena/MemoryWriter.hpp>
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#include <boo/graphicsdev/D3D.hpp>
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static logvisor::Module Log("hecl::Backend::HLSL");
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namespace hecl
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{
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namespace Backend
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{
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std::string HLSL::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 "v.posIn.xy\n";
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case TexGenSrc::Normal:
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return "v.normIn.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 HLSL::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(v.posIn, 1.0)\n";
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case TexGenSrc::Normal:
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return "float4(v.normIn, 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 HLSL::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 : POSITION;\n"
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" float3 normIn : NORMAL;\n";
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if (col)
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retval += hecl::Format(" float4 colIn[%u] : COLOR;\n", col);
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if (uv)
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retval += hecl::Format(" float2 uvIn[%u] : UV;\n", uv);
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if (w)
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retval += hecl::Format(" float4 weightIn[%u] : WEIGHT;\n", w);
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return retval + "};\n";
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}
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std::string HLSL::GenerateVertToFragStruct(size_t extTexCount) 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 : SV_Position;\n"
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" float4 mvPos : POSITION;\n"
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" float4 mvNorm : NORMAL;\n";
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if (m_tcgs.size())
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retval += hecl::Format(" float2 tcgs[%u] : UV;\n", unsigned(m_tcgs.size()));
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if (extTexCount)
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retval += hecl::Format(" float2 extTcgs[%u] : EXTUV;\n", unsigned(extTexCount));
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return retval + "};\n";
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}
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std::string HLSL::GenerateVertUniformStruct(unsigned skinSlots, unsigned texMtxs) 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("cbuffer HECLVertUniform : register(b0)\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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skinSlots, skinSlots);
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if (texMtxs)
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{
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retval += hecl::Format("struct TCGMtx\n"
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"{\n"
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" float4x4 mtx;\n"
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" float4x4 postMtx;\n"
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"};\n"
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"cbuffer HECLTCGMatrix : register(b1)\n"
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"{\n"
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" TCGMtx texMtxs[%u];\n"
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"};\n", texMtxs);
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}
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return retval;
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}
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std::string HLSL::GenerateAlphaTest() const
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{
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return " if (colorOut.a < 0.01)\n"
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" {\n"
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" discard;\n"
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" }\n";
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}
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void HLSL::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, "HLSL");
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}
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std::string HLSL::makeVert(unsigned col, unsigned uv, unsigned w,
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unsigned s, unsigned tm, size_t extTexCount,
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const TextureInfo* extTexs) const
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{
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std::string retval =
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GenerateVertInStruct(col, uv, w) + "\n" +
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GenerateVertToFragStruct(extTexCount) + "\n" +
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GenerateVertUniformStruct(s, tm) + "\n" +
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"VertToFrag main(in VertData v)\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 += mul(mv[%" PRISize "], float4(v.posIn, 1.0)) * v.weightIn[%" PRISize "][%" PRISize "];\n"
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" normAccum += mul(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 = mul(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 = mul(mv[0], float4(v.posIn, 1.0));\n"
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" vtf.mvNorm = mul(mvInv[0], float4(v.normIn, 0.0));\n"
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" vtf.mvpPos = mul(proj, vtf.mvPos);\n";
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}
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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(" vtf.tcgs[%u] = mul(texMtxs[%u].postMtx, float4(%s(mul(texMtxs[%u].mtx, %s).xyz), 1.0)).xy;\n", tcgIdx, tcg.m_mtx,
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tcg.m_norm ? "normalize" : "", tcg.m_mtx, EmitTexGenSource4(tcg.m_src, tcg.m_uvIdx).c_str());
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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(" vtf.extTcgs[%u] = mul(texMtxs[%u].postMtx, float4(%s(mul(texMtxs[%u].mtx, %s).xyz), 1.0)).xy;\n",
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i, extTex.mtxIdx, extTex.normalize ? "normalize" : "",
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extTex.mtxIdx, EmitTexGenSource4(extTex.src, extTex.uvIdx).c_str());
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}
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return retval + " return vtf;\n"
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"}\n";
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}
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std::string HLSL::makeFrag(bool alphaTest, 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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else
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lightingSrc = "cbuffer LightingUniform : register(b2)\n"
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"{\n"
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" float4 colorReg0;\n"
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" float4 colorReg1;\n"
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" float4 colorReg2;\n"
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"};\n";
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std::string texMapDecl;
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if (m_texMapEnd)
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texMapDecl = hecl::Format("Texture2D texs[%u] : register(t0);\n", m_texMapEnd);
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std::string retval =
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"SamplerState samp : register(s0);\n" +
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GenerateVertToFragStruct(0) +
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texMapDecl + "\n" +
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lightingSrc + "\n" +
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(!alphaTest ? "\n[earlydepthstencil]\n" : "\n") +
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"float4 main(in VertToFrag vtf) : SV_Target0\n{\n";
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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(vtf.mvPos, vtf.mvNorm);\n", lighting.m_entry);
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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 = texs[%u].Sample(samp, vtf.tcgs[%u]);\n",
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sampIdx++, sampling.mapIdx, sampling.tcgIdx);
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retval += " float4 colorOut;\n";
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if (m_alphaExpr.size())
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retval += " colorOut = float4(" + m_colorExpr + ", " + m_alphaExpr + ");\n";
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else
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retval += " colorOut = float4(" + m_colorExpr + ", 1.0);\n";
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return retval + (alphaTest ? GenerateAlphaTest() : "") + " return colorOut;\n}\n";
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}
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std::string HLSL::makeFrag(bool alphaTest, 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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else
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lightingSrc = "cbuffer LightingUniform : register(b2)\n"
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"{\n"
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" float4 colorReg0;\n"
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" float4 colorReg1;\n"
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" float4 colorReg2;\n"
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"};\n";
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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 postEntry;
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if (post.m_entry)
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postEntry = post.m_entry;
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std::string texMapDecl;
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if (m_texMapEnd)
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texMapDecl = hecl::Format("Texture2D texs[%u] : register(t0);\n", m_texMapEnd);
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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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texMapDecl += hecl::Format("Texture2D extTex%u : register(t%u);\n",
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extTex.mapIdx, extTex.mapIdx);
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}
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std::string retval =
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"SamplerState samp : register(s0);\n" +
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GenerateVertToFragStruct(extTexCount) +
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texMapDecl + "\n" +
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lightingSrc + "\n" +
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postSrc +
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(!alphaTest ? "\n[earlydepthstencil]\n" : "\n") +
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"float4 main(in VertToFrag vtf) : SV_Target0\n{\n";
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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(vtf.mvPos, vtf.mvNorm);\n", lighting.m_entry);
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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 = texs[%u].Sample(samp, vtf.tcgs[%u]);\n",
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sampIdx++, sampling.mapIdx, sampling.tcgIdx);
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retval += " float4 colorOut;\n";
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if (m_alphaExpr.size())
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retval += " colorOut = " + postEntry + "(" + (postEntry.size() ? "vtf, " : "") + "float4(" + m_colorExpr + ", " + m_alphaExpr + "));\n";
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else
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retval += " colorOut = " + postEntry + "(" + (postEntry.size() ? "vtf, " : "") + "float4(" + m_colorExpr + ", 1.0));\n";
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return retval + (alphaTest ? GenerateAlphaTest() : "") + " return colorOut;\n}\n";
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}
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}
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namespace Runtime
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{
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struct HLSLBackendFactory : IShaderBackendFactory
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{
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Backend::HLSL m_backend;
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ShaderCachedData buildShaderFromIR(const ShaderTag& tag,
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const hecl::Frontend::IR& ir,
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hecl::Frontend::Diagnostics& diag,
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boo::IGraphicsDataFactory::Context& ctx,
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boo::IShaderPipeline*& objOut)
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{
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m_backend.reset(ir, diag);
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std::string vertSource =
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m_backend.makeVert(tag.getColorCount(), tag.getUvCount(), tag.getWeightCount(),
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tag.getSkinSlotCount(), tag.getTexMtxCount(), 0, nullptr);
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std::string fragSource = m_backend.makeFrag(tag.getDepthWrite() && m_backend.m_blendDst == hecl::Backend::BlendFactor::InvSrcAlpha);
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ComPtr<ID3DBlob> vertBlob;
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ComPtr<ID3DBlob> fragBlob;
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ComPtr<ID3DBlob> pipelineBlob;
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objOut =
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static_cast<boo::ID3DDataFactory::Context&>(ctx).
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newShaderPipeline(vertSource.c_str(), fragSource.c_str(),
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vertBlob, fragBlob, pipelineBlob,
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tag.newVertexFormat(ctx),
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boo::BlendFactor(m_backend.m_blendSrc),
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boo::BlendFactor(m_backend.m_blendDst),
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tag.getPrimType(),
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tag.getDepthTest(), tag.getDepthWrite(),
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tag.getBackfaceCulling());
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if (!objOut)
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Log.report(logvisor::Fatal, "unable to build shader");
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atUint32 vertSz = 0;
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atUint32 fragSz = 0;
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atUint32 pipelineSz = 0;
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if (vertBlob)
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vertSz = vertBlob->GetBufferSize();
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if (fragBlob)
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fragSz = fragBlob->GetBufferSize();
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if (pipelineBlob)
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pipelineSz = pipelineBlob->GetBufferSize();
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size_t cachedSz = 14 + vertSz + fragSz + pipelineSz;
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ShaderCachedData dataOut(tag, cachedSz);
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athena::io::MemoryWriter w(dataOut.m_data.get(), dataOut.m_sz);
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w.writeUByte(atUint8(m_backend.m_blendSrc));
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w.writeUByte(atUint8(m_backend.m_blendDst));
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if (vertBlob)
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{
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w.writeUint32Big(vertSz);
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w.writeUBytes((atUint8*)vertBlob->GetBufferPointer(), vertSz);
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}
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else
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w.writeUint32Big(0);
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if (fragBlob)
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{
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w.writeUint32Big(fragSz);
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w.writeUBytes((atUint8*)fragBlob->GetBufferPointer(), fragSz);
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}
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else
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w.writeUint32Big(0);
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if (pipelineBlob)
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{
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w.writeUint32Big(pipelineSz);
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w.writeUBytes((atUint8*)pipelineBlob->GetBufferPointer(), pipelineSz);
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}
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else
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w.writeUint32Big(0);
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return dataOut;
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}
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boo::IShaderPipeline* buildShaderFromCache(const ShaderCachedData& data,
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boo::IGraphicsDataFactory::Context& ctx)
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{
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const ShaderTag& tag = data.m_tag;
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athena::io::MemoryReader r(data.m_data.get(), data.m_sz);
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boo::BlendFactor blendSrc = boo::BlendFactor(r.readUByte());
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boo::BlendFactor blendDst = boo::BlendFactor(r.readUByte());
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atUint32 vertSz = r.readUint32Big();
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ComPtr<ID3DBlob> vertBlob;
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if (vertSz)
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{
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D3DCreateBlobPROC(vertSz, &vertBlob);
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r.readUBytesToBuf(vertBlob->GetBufferPointer(), vertSz);
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}
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atUint32 fragSz = r.readUint32Big();
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ComPtr<ID3DBlob> fragBlob;
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if (fragSz)
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{
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D3DCreateBlobPROC(fragSz, &fragBlob);
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r.readUBytesToBuf(fragBlob->GetBufferPointer(), fragSz);
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}
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atUint32 pipelineSz = r.readUint32Big();
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ComPtr<ID3DBlob> pipelineBlob;
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if (pipelineSz)
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{
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D3DCreateBlobPROC(pipelineSz, &pipelineBlob);
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r.readUBytesToBuf(pipelineBlob->GetBufferPointer(), pipelineSz);
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}
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boo::IShaderPipeline* ret =
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static_cast<boo::ID3DDataFactory::Context&>(ctx).
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newShaderPipeline(nullptr, nullptr,
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vertBlob, fragBlob, pipelineBlob,
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tag.newVertexFormat(ctx),
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blendSrc, blendDst, tag.getPrimType(),
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tag.getDepthTest(), tag.getDepthWrite(),
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tag.getBackfaceCulling());
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if (!ret)
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Log.report(logvisor::Fatal, "unable to build shader");
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return ret;
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}
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ShaderCachedData buildExtendedShaderFromIR(const ShaderTag& tag,
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const hecl::Frontend::IR& ir,
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hecl::Frontend::Diagnostics& diag,
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const std::vector<ShaderCacheExtensions::ExtensionSlot>& extensionSlots,
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boo::IGraphicsDataFactory::Context& ctx,
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FReturnExtensionShader returnFunc)
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{
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m_backend.reset(ir, diag);
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struct Blobs
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{
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ComPtr<ID3DBlob> vert;
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ComPtr<ID3DBlob> frag;
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ComPtr<ID3DBlob> pipeline;
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};
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std::vector<Blobs> pipeBlobs;
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pipeBlobs.reserve(extensionSlots.size());
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size_t cachedSz = 2 + 12 * extensionSlots.size();
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for (const ShaderCacheExtensions::ExtensionSlot& slot : extensionSlots)
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{
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std::string vertSource =
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m_backend.makeVert(tag.getColorCount(), tag.getUvCount(), tag.getWeightCount(),
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tag.getSkinSlotCount(), tag.getTexMtxCount(), slot.texCount, slot.texs);
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std::string fragSource = m_backend.makeFrag(tag.getDepthWrite() && m_backend.m_blendDst == hecl::Backend::BlendFactor::InvSrcAlpha,
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slot.lighting, slot.post, slot.texCount, slot.texs);
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pipeBlobs.emplace_back();
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Blobs& thisPipeBlobs = pipeBlobs.back();
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boo::IShaderPipeline* ret =
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static_cast<boo::ID3DDataFactory::Context&>(ctx).
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newShaderPipeline(vertSource.c_str(), fragSource.c_str(),
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thisPipeBlobs.vert, thisPipeBlobs.frag, thisPipeBlobs.pipeline,
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tag.newVertexFormat(ctx),
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boo::BlendFactor((slot.srcFactor == hecl::Backend::BlendFactor::Original) ? m_backend.m_blendSrc : slot.srcFactor),
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boo::BlendFactor((slot.dstFactor == hecl::Backend::BlendFactor::Original) ? m_backend.m_blendDst : slot.dstFactor),
|
|
tag.getPrimType(),
|
|
tag.getDepthTest(), tag.getDepthWrite(),
|
|
tag.getBackfaceCulling());
|
|
if (!ret)
|
|
Log.report(logvisor::Fatal, "unable to build shader");
|
|
if (thisPipeBlobs.vert)
|
|
cachedSz += thisPipeBlobs.vert->GetBufferSize();
|
|
if (thisPipeBlobs.frag)
|
|
cachedSz += thisPipeBlobs.frag->GetBufferSize();
|
|
if (thisPipeBlobs.pipeline)
|
|
cachedSz += thisPipeBlobs.pipeline->GetBufferSize();
|
|
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 (const Blobs& blobs : pipeBlobs)
|
|
{
|
|
if (blobs.vert)
|
|
{
|
|
w.writeUint32Big(blobs.vert->GetBufferSize());
|
|
w.writeUBytes((atUint8*)blobs.vert->GetBufferPointer(), blobs.vert->GetBufferSize());
|
|
}
|
|
else
|
|
w.writeUint32Big(0);
|
|
|
|
if (blobs.frag)
|
|
{
|
|
w.writeUint32Big(blobs.frag->GetBufferSize());
|
|
w.writeUBytes((atUint8*)blobs.frag->GetBufferPointer(), blobs.frag->GetBufferSize());
|
|
}
|
|
else
|
|
w.writeUint32Big(0);
|
|
|
|
if (blobs.pipeline)
|
|
{
|
|
w.writeUint32Big(blobs.pipeline->GetBufferSize());
|
|
w.writeUBytes((atUint8*)blobs.pipeline->GetBufferPointer(), blobs.pipeline->GetBufferSize());
|
|
}
|
|
else
|
|
w.writeUint32Big(0);
|
|
}
|
|
|
|
return dataOut;
|
|
}
|
|
|
|
void 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);
|
|
hecl::Backend::BlendFactor blendSrc = hecl::Backend::BlendFactor(r.readUByte());
|
|
hecl::Backend::BlendFactor blendDst = hecl::Backend::BlendFactor(r.readUByte());
|
|
|
|
for (const ShaderCacheExtensions::ExtensionSlot& slot : extensionSlots)
|
|
{
|
|
atUint32 vertSz = r.readUint32Big();
|
|
ComPtr<ID3DBlob> vertBlob;
|
|
if (vertSz)
|
|
{
|
|
D3DCreateBlobPROC(vertSz, &vertBlob);
|
|
r.readUBytesToBuf(vertBlob->GetBufferPointer(), vertSz);
|
|
}
|
|
|
|
atUint32 fragSz = r.readUint32Big();
|
|
ComPtr<ID3DBlob> fragBlob;
|
|
if (fragSz)
|
|
{
|
|
D3DCreateBlobPROC(fragSz, &fragBlob);
|
|
r.readUBytesToBuf(fragBlob->GetBufferPointer(), fragSz);
|
|
}
|
|
|
|
atUint32 pipelineSz = r.readUint32Big();
|
|
ComPtr<ID3DBlob> pipelineBlob;
|
|
if (pipelineSz)
|
|
{
|
|
D3DCreateBlobPROC(pipelineSz, &pipelineBlob);
|
|
r.readUBytesToBuf(pipelineBlob->GetBufferPointer(), pipelineSz);
|
|
}
|
|
|
|
boo::IShaderPipeline* ret =
|
|
static_cast<boo::ID3DDataFactory::Context&>(ctx).
|
|
newShaderPipeline(nullptr, nullptr,
|
|
vertBlob, fragBlob, pipelineBlob,
|
|
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(),
|
|
tag.getDepthTest(), tag.getDepthWrite(),
|
|
tag.getBackfaceCulling());
|
|
if (!ret)
|
|
Log.report(logvisor::Fatal, "unable to build shader");
|
|
returnFunc(ret);
|
|
}
|
|
}
|
|
};
|
|
|
|
IShaderBackendFactory* _NewHLSLBackendFactory()
|
|
{
|
|
return new struct HLSLBackendFactory();
|
|
}
|
|
|
|
}
|
|
}
|