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Texture coordinates seem to be scaled relative to the fixed texture size of 256. Thanks to HarryTurtle for figuring this crazy logic out. The road in scud matches the arcade now almost perfectly.

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This commit is contained in:
Ian Curtis 2017-03-13 00:59:35 +00:00
parent dcd018ab7e
commit b19ceb0b6a
1 changed files with 3 additions and 1 deletions
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4
Src/Graphics/New3D/R3DShader.cpp
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@ -70,7 +70,9 @@ static const char *fragmentShaderBasic =
"tex1Data = texture2D( tex1, gl_TexCoord[0].st);\n"
"if (microTexture==1) {\n"
"vec4 tex2Data = texture2D( tex2, gl_TexCoord[0].st * microTextureScale);\n"
"vec2 scale = textureSize(tex1, 0)/256.0;\n" //technically glsl 1.3 .. no one should care hopefully
"vec4 tex2Data = texture2D( tex2, gl_TexCoord[0].st * scale * microTextureScale);\n"
"tex1Data = (tex1Data+tex2Data)/2.0;\n"
"}\n"