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authorYuri Kunde Schlesner <yuriks@yuriks.net>2014-12-23 16:05:51 +0100
committerYuri Kunde Schlesner <yuriks@yuriks.net>2014-12-29 05:08:11 +0100
commit8369ee58035ca98f776428f6cccbcf987fee3bc9 (patch)
tree3c1800823ffe55529ba6dbcba0c4407d2da625f2 /src/video_core/rasterizer.cpp
parentGPU: Bitwise texture swizzling (diff)
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Diffstat (limited to 'src/video_core/rasterizer.cpp')
-rw-r--r--src/video_core/rasterizer.cpp7
1 files changed, 2 insertions, 5 deletions
diff --git a/src/video_core/rasterizer.cpp b/src/video_core/rasterizer.cpp
index 63da7104d..a80148872 100644
--- a/src/video_core/rasterizer.cpp
+++ b/src/video_core/rasterizer.cpp
@@ -106,10 +106,7 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
int bias1 = IsRightSideOrFlatBottomEdge(vtxpos[1].xy(), vtxpos[2].xy(), vtxpos[0].xy()) ? -1 : 0;
int bias2 = IsRightSideOrFlatBottomEdge(vtxpos[2].xy(), vtxpos[0].xy(), vtxpos[1].xy()) ? -1 : 0;
- const Math::Vec3<float24> w_inverse = Math::MakeVec(
- float24::FromFloat32(1.0f) / v0.pos.w,
- float24::FromFloat32(1.0f) / v1.pos.w,
- float24::FromFloat32(1.0f) / v2.pos.w);
+ auto w_inverse = Math::MakeVec(v0.pos.w, v1.pos.w, v2.pos.w);
auto textures = registers.GetTextures();
auto tev_stages = registers.GetTevStages();
@@ -158,7 +155,7 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
//
// The generalization to three vertices is straightforward in baricentric coordinates.
auto GetInterpolatedAttribute = [&](float24 attr0, float24 attr1, float24 attr2) {
- auto attr_over_w = Math::MakeVec(attr0, attr1, attr2) * w_inverse;
+ auto attr_over_w = Math::MakeVec(attr0, attr1, attr2);
float24 interpolated_attr_over_w = Math::Dot(attr_over_w, baricentric_coordinates);
return interpolated_attr_over_w * interpolated_w_inverse;
};