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Add post transform matrix

This commit is contained in:
Phillip Stephens 2016-07-08 12:55:33 -07:00
parent c544d99f98
commit e2523d1268
1 changed files with 5 additions and 4 deletions
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9
hecl/lib/Backend/GLSL.cpp
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@ -98,8 +98,9 @@ std::string GLSL::GenerateVertUniformStruct(unsigned skinSlots, unsigned texMtxs
{
retval += hecl::Format("UBINDING1 uniform HECLTexMtxUniform\n"
"{\n"
" mat4 texMtxs[%u];\n"
"};\n", texMtxs);
" mat4 mtx;\n"
" mat4 postMtx;\n"
"} texMtxs[%u];\n", texMtxs);
}
return retval;
@ -150,8 +151,8 @@ 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] = (texMtxs[%u] * %s).xy;\n", tcgIdx, tcg.m_mtx,
EmitTexGenSource4(tcg.m_src, tcg.m_uvIdx).c_str());
retval += hecl::Format(" vtf.tcgs[%u] = (texMtxs[%u].postMtx * normalize(texMtxs[%u].mtx * %s)).xy;\n", tcgIdx, tcg.m_mtx,
tcg.m_mtx, EmitTexGenSource4(tcg.m_src, tcg.m_uvIdx).c_str());
++tcgIdx;
}