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Metal shader generation

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This commit is contained in:
Jack Andersen
2015-11-18 13:56:45 -10:00
parent e5c4008cfb
commit daa446588b
9 changed files with 491 additions and 10 deletions
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16
hecl/lib/Backend/GLSL.cpp
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@@ -94,7 +94,7 @@ std::string GLSL::GenerateVertUniformStruct(unsigned skinSlots, unsigned texMtxs
skinSlots, skinSlots);
if (texMtxs)
retval += HECL::Format(" mat4 texMtxs[%u];\n", texMtxs);
return retval + "} vu;\n";
return retval + "};\n";
}
void GLSL::reset(const IR& ir, Diagnostics& diag)
@@ -119,20 +119,20 @@ std::string GLSL::makeVert(const char* glslVer, unsigned col, unsigned uv, unsig
retval += " vec4 posAccum = vec4(0.0,0.0,0.0,0.0);\n"
" vec4 normAccum = vec4(0.0,0.0,0.0,0.0);\n";
for (size_t i=0 ; i<s ; ++i)
retval += HECL::Format(" posAccum += (vu.mv[%" PRISize "] * vec4(posIn, 1.0)) * weightIn[%" PRISize "][%" PRISize "];\n"
" normAccum += (vu.mvInv[%" PRISize "] * vec4(normIn, 1.0)) * weightIn[%" PRISize "][%" PRISize "];\n",
retval += HECL::Format(" posAccum += (mv[%" PRISize "] * vec4(posIn, 1.0)) * weightIn[%" PRISize "][%" PRISize "];\n"
" normAccum += (mvInv[%" PRISize "] * vec4(normIn, 1.0)) * weightIn[%" PRISize "][%" PRISize "];\n",
i, i/4, i%4, i, i/4, i%4);
retval += " posAccum[3] = 1.0;\n"
" vtf.mvPos = posAccum;\n"
" vtf.mvNorm = vec4(normalize(normAccum.xyz), 0.0);\n"
" gl_Position = vu.proj * posAccum;\n";
" gl_Position = proj * posAccum;\n";
}
else
{
/* non-skinned */
retval += " vtf.mvPos = vu.mv[0] * vec4(posIn, 1.0);\n"
" vtf.mvNorm = vu.mvInv[0] * vec4(normIn, 0.0);\n"
" gl_Position = vu.proj * vtf.mvPos;\n";
retval += " vtf.mvPos = mv[0] * vec4(posIn, 1.0);\n"
" vtf.mvNorm = mvInv[0] * vec4(normIn, 0.0);\n"
" gl_Position = proj * vtf.mvPos;\n";
}
int tcgIdx = 0;
@@ -142,7 +142,7 @@ std::string GLSL::makeVert(const char* glslVer, unsigned col, unsigned uv, unsig
retval += HECL::Format(" vtf.tcgs[%u] = %s;\n", tcgIdx,
EmitTexGenSource2(tcg.m_src, tcg.m_uvIdx).c_str());
else
retval += HECL::Format(" vtf.tcgs[%u] = (vu.texMtxs[%u] * %s).xy;\n", tcgIdx, tcg.m_mtx,
retval += HECL::Format(" vtf.tcgs[%u] = (texMtxs[%u] * %s).xy;\n", tcgIdx, tcg.m_mtx,
EmitTexGenSource4(tcg.m_src, tcg.m_uvIdx).c_str());
++tcgIdx;
}