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Merge pull request #2713 from wwylele/where-is-my-tc0_w

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swrasterizer: add missing tc0_w attribute processing
This commit is contained in:
Yuri Kunde Schlesner 2017-05-21 00:19:46 -07:00 committed by GitHub
commit d2bb0a6f2d
2 changed files with 8 additions and 5 deletions
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7
src/video_core/swrasterizer/clipper.cpp
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@ -69,13 +69,14 @@ static void InitScreenCoordinates(Vertex& vtx) {
viewport.offset_y = float24::FromFloat32(static_cast<float>(regs.rasterizer.viewport_corner.y));
float24 inv_w = float24::FromFloat32(1.f) / vtx.pos.w;
vtx.color *= inv_w;
vtx.view *= inv_w;
vtx.pos.w = inv_w;
vtx.quat *= inv_w;
vtx.color *= inv_w;
vtx.tc0 *= inv_w;
vtx.tc1 *= inv_w;
vtx.tc0_w *= inv_w;
vtx.view *= inv_w;
vtx.tc2 *= inv_w;
vtx.pos.w = inv_w;
vtx.screenpos[0] =
(vtx.pos.x * inv_w + float24::FromFloat32(1.0)) * viewport.halfsize_x + viewport.offset_x;

6
src/video_core/swrasterizer/rasterizer.h
View file

@ -23,13 +23,15 @@ struct Vertex : Shader::OutputVertex {
pos = pos * factor + vtx.pos * (float24::FromFloat32(1) - factor);
// TODO: Should perform perspective correct interpolation here...
quat = quat * factor + vtx.quat * (float24::FromFloat32(1) - factor);
color = color * factor + vtx.color * (float24::FromFloat32(1) - factor);
tc0 = tc0 * factor + vtx.tc0 * (float24::FromFloat32(1) - factor);
tc1 = tc1 * factor + vtx.tc1 * (float24::FromFloat32(1) - factor);
tc0_w = tc0_w * factor + vtx.tc0_w * (float24::FromFloat32(1) - factor);
view = view * factor + vtx.view * (float24::FromFloat32(1) - factor);
tc2 = tc2 * factor + vtx.tc2 * (float24::FromFloat32(1) - factor);
screenpos = screenpos * factor + vtx.screenpos * (float24::FromFloat32(1) - factor);
color = color * factor + vtx.color * (float24::FromFloat32(1) - factor);
}
// Linear interpolation