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VideoCommon: Handle emboss texgen with only a single normal

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Fixes a large number of effects in Rogue Squadron 2 and 3.
This commit is contained in:
Pokechu22
2022-04-13 22:03:34 -07:00
parent 39b2854b98
commit 2a5c77f43f
14 changed files with 138 additions and 62 deletions
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13
Source/Core/VideoCommon/UberShaderVertex.cpp
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@ -169,12 +169,18 @@ ShaderCode GenVertexShader(APIType api_type, const ShaderHostConfig& host_config
"if ((components & {}u) != 0u) // VB_HAS_TANGENT\n",
VB_HAS_TANGENT);
out.Write(" _tangent = float3(dot(N0, rawtangent), dot(N1, rawtangent), dot(N2, rawtangent));\n"
"else\n"
" _tangent = float3(dot(N0, " I_CACHED_TANGENT ".xyz), dot(N1, " I_CACHED_TANGENT
".xyz), dot(N2, " I_CACHED_TANGENT ".xyz));\n"
"\n"
"float3 _binormal = float3(0.0, 0.0, 0.0);\n"
"if ((components & {}u) != 0u) // VB_HAS_BINORMAL\n",
VB_HAS_BINORMAL);
out.Write(" _binormal = float3(dot(N0, rawbinormal), dot(N1, rawbinormal), dot(N2, "
"rawbinormal));\n"
"else\n"
" _binormal = float3(dot(N0, " I_CACHED_BINORMAL ".xyz), dot(N1, " I_CACHED_BINORMAL
".xyz), dot(N2, " I_CACHED_BINORMAL ".xyz));\n"
"\n");
// Hardware Lighting
@ -449,12 +455,9 @@ static void GenVertexShaderTexGens(APIType api_type, u32 num_texgen, ShaderCode&
for (u32 i = 0; i < num_texgen; i++)
out.Write(" case {}u: output_tex.xyz = o.tex{}; break;\n", i, i);
out.Write(" default: output_tex.xyz = float3(0.0, 0.0, 0.0); break;\n"
" }}\n");
out.Write(" if ((components & {}u) != 0u) {{ // VB_HAS_TANGENT | VB_HAS_BINORMAL\n",
VB_HAS_TANGENT | VB_HAS_BINORMAL);
out.Write(" float3 ldir = normalize(" I_LIGHTS "[light].pos.xyz - pos.xyz);\n"
" output_tex.xyz += float3(dot(ldir, _tangent), dot(ldir, _binormal), 0.0);\n"
" }}\n"
" float3 ldir = normalize(" I_LIGHTS "[light].pos.xyz - pos.xyz);\n"
" output_tex.xyz += float3(dot(ldir, _tangent), dot(ldir, _binormal), 0.0);\n"
" }}\n"
" break;\n\n");
out.Write(" case {:s}:\n", TexGenType::Color0);