mxvk::RenderList Class Reference

Flat list of triangles prepared for transformation and rasterization. More...

#include <mxvk/include/mxvk/mxvk_math.h>

Public Member Functions
void	BuildRenderList (const Triangle &triangle)
	Append one triangle to the render list.
void	BuildRenderList (const Triangle &triangle)
	Append one triangle to the render list.
void	ModelToWorld (const vec4D &pos, int type)
	Translate model-space vertices into world-space transformed vertices.
void	ModelToWorld (const vec4D &pos, int type)
	Translate model-space vertices into world-space transformed vertices.
void	RemoveFaces (const vec4D &pos)
	Mark back-facing triangles relative to a view position.
void	RemoveFaces (const vec4D &pos)
	Mark back-facing triangles relative to a view position.
void	Reset ()
	Clear all triangles from the render list.
void	Reset ()
	Clear all triangles from the render list.
void	TransformRenderList (const Mat4D &mrot, int type)
	Transform active non-backface triangles by a matrix.
void	TransformRenderList (const Mat4D &mrot, int type)
	Transform active non-backface triangles by a matrix.

Public Attributes
int	num_polys = 0
	Cached polygon count matching polys.size().
std::vector< Triangle >	polys
	Triangle storage.

Detailed Description

Flat list of triangles prepared for transformation and rasterization.

Definition at line 1371 of file mxvk_math.h.

Member Function Documentation

BuildRenderList() [1/2]

void mxvk::RenderList::BuildRenderList ( const Triangle & triangle )

inline

Append one triangle to the render list.

Definition at line 1432 of file mxvk_math.h.

                                                       {
            polys.push_back(triangle);
            num_polys = static_cast<int>(polys.size());
        }

BuildRenderList() [2/2]

void mxvk::RenderList::BuildRenderList ( const Triangle & triangle )

inline

Append one triangle to the render list.

Definition at line 1432 of file mxvk_math_eigen.hpp.

                                                       {
            polys.push_back(triangle);
            num_polys = static_cast<int>(polys.size());
        }

ModelToWorld() [1/2]

void mxvk::RenderList::ModelToWorld ( const vec4D & pos, int type )

inline

Translate model-space vertices into world-space transformed vertices.

Definition at line 1417 of file mxvk_math.h.

                                                      {
            if (type != 0) {
                return;
            }
            for (auto &poly : polys) {
                if (poly.state == 0 || (poly.state & MX_BACKFACE) != 0) {
                    continue;
                }
                for (int i = 0; i < 3; ++i) {
                    poly.tlist[i] = poly.vlist[i] + pos;
                }
            }
        }

ModelToWorld() [2/2]

void mxvk::RenderList::ModelToWorld ( const vec4D & pos, int type )

inline

Translate model-space vertices into world-space transformed vertices.

Definition at line 1417 of file mxvk_math_eigen.hpp.

                                                      {
            if (type != 0) {
                return;
            }
            for (auto &poly : polys) {
                if (poly.state == 0 || (poly.state & MX_BACKFACE) != 0) {
                    continue;
                }
                for (int i = 0; i < 3; ++i) {
                    poly.tlist[i] = poly.vlist[i] + pos;
                }
            }
        }

RemoveFaces() [1/2]

void mxvk::RenderList::RemoveFaces ( const vec4D & pos )

inline

Mark back-facing triangles relative to a view position.

Definition at line 1401 of file mxvk_math.h.

                                           {
            for (auto &poly : polys) {
                if (poly.state == 0 || (poly.state & MX_BACKFACE) != 0) {
                    continue;
                }
                const vec4D u = vec4D().Build(poly.tlist[0], poly.tlist[1]);
                const vec4D v = vec4D().Build(poly.tlist[0], poly.tlist[2]);
                const vec4D n = u.CrossProduct(v);
                const vec4D view = vec4D().Build(poly.tlist[0], pos);
                if (n.DotProduct(view) <= 0.0f) {
                    poly.state |= MX_BACKFACE;
                }
            }
        }

RemoveFaces() [2/2]

void mxvk::RenderList::RemoveFaces ( const vec4D & pos )

inline

Mark back-facing triangles relative to a view position.

Definition at line 1401 of file mxvk_math_eigen.hpp.

                                           {
            for (auto &poly : polys) {
                if (poly.state == 0 || (poly.state & MX_BACKFACE) != 0) {
                    continue;
                }
                const vec4D u = vec4D().Build(poly.tlist[0], poly.tlist[1]);
                const vec4D v = vec4D().Build(poly.tlist[0], poly.tlist[2]);
                const vec4D n = u.CrossProduct(v);
                const vec4D view = vec4D().Build(poly.tlist[0], pos);
                if (n.DotProduct(view) <= 0.0f) {
                    poly.state |= MX_BACKFACE;
                }
            }
        }

Reset() [1/2]

void mxvk::RenderList::Reset ( )

inline

Clear all triangles from the render list.

Definition at line 1380 of file mxvk_math.h.

                     {
            polys.clear();
            num_polys = 0;
        }

Reset() [2/2]

void mxvk::RenderList::Reset ( )

inline

Clear all triangles from the render list.

Definition at line 1380 of file mxvk_math_eigen.hpp.

                     {
            polys.clear();
            num_polys = 0;
        }

TransformRenderList() [1/2]

void mxvk::RenderList::TransformRenderList ( const Mat4D & mrot, int type )

inline

Transform active non-backface triangles by a matrix.

Definition at line 1386 of file mxvk_math.h.

                                                              {
            if (type != 0) {
                return;
            }
            for (auto &poly : polys) {
                if (poly.state == 0 || (poly.state & MX_BACKFACE) != 0) {
                    continue;
                }
                for (auto &vertex : poly.vlist) {
                    vertex = mrot.MulVec(vertex);
                }
            }
        }

TransformRenderList() [2/2]

void mxvk::RenderList::TransformRenderList ( const Mat4D & mrot, int type )

inline

Transform active non-backface triangles by a matrix.

Definition at line 1386 of file mxvk_math_eigen.hpp.

                                                              {
            if (type != 0) {
                return;
            }
            for (auto &poly : polys) {
                if (poly.state == 0 || (poly.state & MX_BACKFACE) != 0) {
                    continue;
                }
                for (auto &vertex : poly.vlist) {
                    vertex = mrot.MulVec(vertex);
                }
            }
        }

Member Data Documentation

num_polys

int mxvk::RenderList::num_polys = 0

Cached polygon count matching polys.size().

Definition at line 1377 of file mxvk_math.h.

polys

std::vector< Triangle > mxvk::RenderList::polys

Triangle storage.

Definition at line 1374 of file mxvk_math.h.

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The documentation for this class was generated from the following files:

• mxvk/include/mxvk/mxvk_math.h
• mxvk/include/mxvk/mxvk_math_eigen.hpp