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LibGL+LibSoftGPU: Move Vertex and Triangle structs to LibSoftGPU

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Stephan Unverwerth 2021-12-16 22:43:39 +01:00 • committed by Brian Gianforcaro
parent 73ba208ee7
commit 251f3c007f
9 changed files with 68 additions and 36 deletions
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6
Userland/Libraries/LibSoftGPU/Clipper.cpp
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@ -31,7 +31,7 @@ bool Clipper::point_within_clip_plane(const FloatVector4& vertex, ClipPlane plan
return false;
}
GL::GLVertex Clipper::clip_intersection_point(const GL::GLVertex& p1, const GL::GLVertex& p2, ClipPlane plane_index)
Vertex Clipper::clip_intersection_point(const Vertex& p1, const Vertex& p2, ClipPlane plane_index)
{
// See https://www.microsoft.com/en-us/research/wp-content/uploads/1978/01/p245-blinn.pdf
// "Clipping Using Homogeneous Coordinates" Blinn/Newell, 1978
@ -42,14 +42,14 @@ GL::GLVertex Clipper::clip_intersection_point(const GL::GLVertex& p1, const GL::
float x2 = clip_plane_normals[plane_index].dot(p2.position);
float a = (w1 + x1) / ((w1 + x1) - (w2 + x2));
GL::GLVertex out;
Vertex out;
out.position = p1.position * (1 - a) + p2.position * a;
out.color = p1.color * (1 - a) + p2.color * a;
out.tex_coord = p1.tex_coord * (1 - a) + p2.tex_coord * a;
return out;
}
void Clipper::clip_triangle_against_frustum(Vector<GL::GLVertex>& input_verts)
void Clipper::clip_triangle_against_frustum(Vector<Vertex>& input_verts)
{
list_a = input_verts;
list_b.clear_with_capacity();