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Pica/Rasterizer: Clarify a TODO.

This commit is contained in:
Tony Wasserka 2014-08-25 21:45:49 +02:00
parent 697b50c3ff
commit a79644c9ba
1 changed files with 3 additions and 1 deletions
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4
src/video_core/rasterizer.cpp
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@ -349,9 +349,11 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
combiner_output = Math::MakeVec(color_output, alpha_output); combiner_output = Math::MakeVec(color_output, alpha_output);
} }
// TODO: Not sure if the multiplication by 65535 has already been taken care
// of when transforming to screen coordinates or not.
u16 z = (u16)(((float)v0.screenpos[2].ToFloat32() * w0 + u16 z = (u16)(((float)v0.screenpos[2].ToFloat32() * w0 +
(float)v1.screenpos[2].ToFloat32() * w1 + (float)v1.screenpos[2].ToFloat32() * w1 +
(float)v2.screenpos[2].ToFloat32() * w2) * 65535.f / wsum); // TODO: Shouldn't need to multiply by 65536? (float)v2.screenpos[2].ToFloat32() * w2) * 65535.f / wsum);
SetDepth(x >> 4, y >> 4, z); SetDepth(x >> 4, y >> 4, z);
DrawPixel(x >> 4, y >> 4, combiner_output); DrawPixel(x >> 4, y >> 4, combiner_output);