mirror of https://github.com/minetest/irrlicht.git
876 lines
19 KiB
C++
876 lines
19 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt / Thomas Alten
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#ifndef __S_4D_VERTEX_H_INCLUDED__
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#define __S_4D_VERTEX_H_INCLUDED__
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#include "SoftwareDriver2_compile_config.h"
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#include "SoftwareDriver2_helper.h"
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#include "irrAllocator.h"
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#include "EPrimitiveTypes.h"
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namespace irr
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{
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namespace video
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{
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//! sVec2 used in BurningShader texture coordinates
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struct sVec2
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{
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f32 x;
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f32 y;
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sVec2 () {}
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sVec2 ( f32 s) : x ( s ), y ( s ) {}
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sVec2 ( f32 _x, f32 _y )
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: x ( _x ), y ( _y ) {}
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void set ( f32 _x, f32 _y )
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{
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x = _x;
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y = _y;
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}
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// f = a * t + b * ( 1 - t )
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void interpolate(const sVec2& burning_restrict a, const sVec2& burning_restrict b, const ipoltype t)
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{
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x = (f32)(b.x + ( ( a.x - b.x ) * t ));
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y = (f32)(b.y + ( ( a.y - b.y ) * t ));
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}
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sVec2 operator-(const sVec2& other) const
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{
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return sVec2(x - other.x, y - other.y);
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}
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sVec2 operator+(const sVec2& other) const
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{
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return sVec2(x + other.x, y + other.y);
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}
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void operator+=(const sVec2& other)
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{
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x += other.x;
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y += other.y;
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}
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sVec2 operator*(const f32 s) const
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{
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return sVec2(x * s , y * s);
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}
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void operator*=( const f32 s)
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{
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x *= s;
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y *= s;
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}
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void operator=(const sVec2& other)
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{
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x = other.x;
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y = other.y;
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}
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};
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#include "irrpack.h"
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//! sVec2Pack is Irrlicht S3DVertex,S3DVertex2TCoords,S3DVertexTangents Texutre Coordinates.
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// Start address is not 4 byte aligned
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struct sVec2Pack
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{
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f32 x, y;
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};
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//! sVec3Pack used in BurningShader, packed direction
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struct sVec3Pack
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{
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f32 x, y, z;
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//f32 _can_pack;
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sVec3Pack() {}
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sVec3Pack(f32 _x, f32 _y, f32 _z)
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: x(_x), y(_y), z(_z) {}
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// f = a * t + b * ( 1 - t )
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void interpolate(const sVec3Pack& burning_restrict v0, const sVec3Pack& burning_restrict v1, const ipoltype t)
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{
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x = (f32)(v1.x + ((v0.x - v1.x) * t));
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y = (f32)(v1.y + ((v0.y - v1.y) * t));
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z = (f32)(v1.z + ((v0.z - v1.z) * t));
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}
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sVec3Pack operator-(const sVec3Pack& other) const
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{
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return sVec3Pack(x - other.x, y - other.y, z - other.z);
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}
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sVec3Pack operator+(const sVec3Pack& other) const
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{
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return sVec3Pack(x + other.x, y + other.y, z + other.z);
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}
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sVec3Pack operator*(const f32 s) const
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{
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return sVec3Pack(x * s, y * s, z * s);
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}
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void operator+=(const sVec3Pack& other)
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{
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x += other.x;
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y += other.y;
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z += other.z;
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}
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void operator=(const sVec3Pack& other)
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{
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x = other.x;
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y = other.y;
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z = other.z;
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}
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} PACK_STRUCT;
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#include "irrunpack.h"
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//! sVec4 used in Driver,BurningShader, direction/color
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struct sVec4
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{
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union
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{
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struct { f32 x, y, z, w; };
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struct { f32 a, r, g, b; };
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};
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sVec4 () {}
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sVec4 ( f32 _x, f32 _y, f32 _z, f32 _w )
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: x ( _x ), y ( _y ), z( _z ), w ( _w ){}
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// f = a * t + b * ( 1 - t )
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void interpolate(const sVec4& burning_restrict a, const sVec4& burning_restrict b, const ipoltype t)
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{
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x = (f32)(b.x + ( ( a.x - b.x ) * t ));
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y = (f32)(b.y + ( ( a.y - b.y ) * t ));
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z = (f32)(b.z + ( ( a.z - b.z ) * t ));
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w = (f32)(b.w + ( ( a.w - b.w ) * t ));
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}
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sVec4 operator-(const sVec4& other) const
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{
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return sVec4(x - other.x, y - other.y, z - other.z,w - other.w);
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}
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sVec4 operator+(const sVec4& other) const
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{
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return sVec4(x + other.x, y + other.y, z + other.z,w + other.w);
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}
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void operator+=(const sVec4& other)
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{
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x += other.x;
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y += other.y;
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z += other.z;
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w += other.w;
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}
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sVec4 operator*(const f32 s) const
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{
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return sVec4(x * s , y * s, z * s,w * s);
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}
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sVec4 operator*(const sVec4 &other) const
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{
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return sVec4(x * other.x , y * other.y, z * other.z,w * other.w);
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}
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void operator*=(const sVec4 &other)
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{
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x *= other.x;
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y *= other.y;
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z *= other.z;
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w *= other.w;
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}
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void operator=(const sVec4& other)
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{
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x = other.x;
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y = other.y;
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z = other.z;
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w = other.w;
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}
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//outside shader
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void set(f32 _x, f32 _y, f32 _z, f32 _w)
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{
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x = _x;
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y = _y;
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z = _z;
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w = _w;
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}
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void setA8R8G8B8(const u32 argb)
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{
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a = ((argb & 0xFF000000) >> 24) * (1.f / 255.f);
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r = ((argb & 0x00FF0000) >> 16) * (1.f / 255.f);
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g = ((argb & 0x0000FF00) >> 8 ) * (1.f / 255.f);
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b = ((argb & 0x000000FF) ) * (1.f / 255.f);
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}
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REALINLINE ipoltype dot_xyzw(const sVec4& other) const
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{
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return (ipoltype)x * other.x + (ipoltype)y * other.y + (ipoltype)z * other.z + (ipoltype)w * other.w;
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}
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REALINLINE f32 dot_xyz(const sVec4& other) const
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{
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return x * other.x + y * other.y + z * other.z;
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}
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REALINLINE f32 dot_minus_xyz(const sVec4& other) const
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{
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return -x * other.x + -y * other.y + -z * other.z;
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}
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void mul_xyz(const f32 s)
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{
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x *= s;
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y *= s;
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z *= s;
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}
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f32 length_xyz() const
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{
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return sqrtf(x * x + y * y + z * z);
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}
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void normalize_dir_xyz()
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{
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//const f32 l = core::reciprocal_squareroot(x * x + y * y + z * z);
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f32 l = x * x + y * y + z * z;
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l = l > 0.0000001f ? 1.f / sqrtf(l) : 1.f;
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x *= l;
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y *= l;
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z *= l;
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}
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//unpack sVec3 to aligned during runtime
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sVec4(const sVec3Pack& other)
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{
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x = other.x;
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y = other.y;
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z = other.z;
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w = 0.f;
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}
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void normalize_pack_xyz(sVec3Pack& out, const f32 len, const f32 ofs) const
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{
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//const f32 l = len * core::reciprocal_squareroot ( r * r + g * g + b * b );
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f32 l = x * x + y * y + z * z;
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l = l > 0.0000001f ? len / sqrtf(l) : 0.f;
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out.x = (x*l) + ofs;
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out.y = (y*l) + ofs;
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out.z = (z*l) + ofs;
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}
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};
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//!during runtime sVec3Pack
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typedef sVec4 sVec3Pack_unpack;
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//!sVec4 is argb. sVec3Color is rgba
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struct sVec3Color
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{
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f32 r, g, b,a;
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void set(const f32 s)
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{
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r = s;
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g = s;
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b = s;
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a = s;
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}
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void setA8R8G8B8(const u32 argb)
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{
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r = ((argb & 0x00FF0000) >> 16) * (1.f / 255.f);
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g = ((argb & 0x0000FF00) >> 8 ) * (1.f / 255.f);
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b = ((argb & 0x000000FF) ) * (1.f / 255.f);
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a = ((argb & 0xFF000000) >> 24) * (1.f / 255.f);
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}
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void setColorf(const video::SColorf & color)
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{
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r = color.r;
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g = color.g;
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b = color.b;
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a = color.a;
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}
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void add_rgb(const sVec3Color& other)
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{
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r += other.r;
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g += other.g;
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b += other.b;
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}
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void mad_rgb(const sVec3Color& other, const f32 v)
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{
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r += other.r * v;
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g += other.g * v;
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b += other.b * v;
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}
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void mad_rgbv(const sVec3Color& v0, const sVec3Color& v1)
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{
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r += v0.r * v1.r;
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g += v0.g * v1.g;
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b += v0.b * v1.b;
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}
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//sVec4 is a,r,g,b, alpha pass
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void sat(sVec4 &dest, const u32 argb) const
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{
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dest.a = ((argb & 0xFF000000) >> 24) * (1.f / 255.f);
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dest.r = r <= 1.f ? r : 1.f;
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dest.g = g <= 1.f ? g : 1.f;
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dest.b = b <= 1.f ? b : 1.f;
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}
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void sat_xyz(sVec3Pack &dest, const sVec3Color& v1) const
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{
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f32 v;
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v = r * v1.r; dest.x = v < 1.f ? v : 1.f;
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v = g * v1.g; dest.y = v < 1.f ? v : 1.f;
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v = b * v1.b; dest.z = v < 1.f ? v : 1.f;
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}
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void sat_xyz(sVec4 &dest, const sVec3Color& v1) const
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{
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f32 v;
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dest.a = 1.f;
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v = r * v1.r; dest.r = v < 1.f ? v : 1.f;
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v = g * v1.g; dest.g = v < 1.f ? v : 1.f;
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v = b * v1.b; dest.b = v < 1.f ? v : 1.f;
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}
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};
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//internal BurningShaderFlag for a Vertex
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enum e4DVertexFlag
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{
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VERTEX4D_CLIPMASK = 0x0000003F,
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VERTEX4D_CLIP_NEAR = 0x00000001,
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VERTEX4D_CLIP_FAR = 0x00000002,
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VERTEX4D_CLIP_LEFT = 0x00000004,
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VERTEX4D_CLIP_RIGHT = 0x00000008,
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VERTEX4D_CLIP_BOTTOM = 0x00000010,
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VERTEX4D_CLIP_TOP = 0x00000020,
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VERTEX4D_INSIDE = 0x0000003F,
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VERTEX4D_PROJECTED = 0x00000100,
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VERTEX4D_VAL_ZERO = 0x00000200,
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VERTEX4D_VAL_ONE = 0x00000400,
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VERTEX4D_FORMAT_MASK = 0xFFFF0000,
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VERTEX4D_FORMAT_MASK_TEXTURE = 0x000F0000,
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VERTEX4D_FORMAT_TEXTURE_1 = 0x00010000,
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VERTEX4D_FORMAT_TEXTURE_2 = 0x00020000,
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VERTEX4D_FORMAT_TEXTURE_3 = 0x00030000,
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VERTEX4D_FORMAT_TEXTURE_4 = 0x00040000,
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VERTEX4D_FORMAT_MASK_COLOR = 0x00F00000,
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VERTEX4D_FORMAT_COLOR_1 = 0x00100000,
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VERTEX4D_FORMAT_COLOR_2_FOG = 0x00200000,
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VERTEX4D_FORMAT_COLOR_3 = 0x00300000,
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VERTEX4D_FORMAT_COLOR_4 = 0x00400000,
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VERTEX4D_FORMAT_MASK_LIGHT = 0x0F000000,
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VERTEX4D_FORMAT_LIGHT_1 = 0x01000000,
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VERTEX4D_FORMAT_LIGHT_2 = 0x02000000,
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VERTEX4D_FORMAT_MASK_TANGENT = 0xF0000000,
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VERTEX4D_FORMAT_BUMP_DOT3 = 0x10000000,
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VERTEX4D_FORMAT_SPECULAR = 0x20000000,
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};
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//! vertex layout
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enum e4DVertexType
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{
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E4VT_STANDARD = 0, // EVT_STANDARD, video::S3DVertex.
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E4VT_2TCOORDS = 1, // EVT_2TCOORDS, video::S3DVertex2TCoords.
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E4VT_TANGENTS = 2, // EVT_TANGENTS, video::S3DVertexTangents
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E4VT_REFLECTION_MAP = 3,
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E4VT_SHADOW = 4, // float * 3
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E4VT_NO_TEXTURE = 5, // runtime if texture missing
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E4VT_LINE = 6,
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E4VT_COUNT
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};
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enum e4DIndexType
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{
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E4IT_16BIT = 1, // EIT_16BIT,
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E4IT_32BIT = 2, // EIT_32BIT,
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E4IT_NONE = 4, //
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};
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#ifdef BURNINGVIDEO_RENDERER_BEAUTIFUL
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#define BURNING_MATERIAL_MAX_TEXTURES 4
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#define BURNING_MATERIAL_MAX_COLORS 4
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#define BURNING_MATERIAL_MAX_LIGHT_TANGENT 1
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//ensure handcrafted sizeof(s4DVertex)
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#define sizeof_s4DVertex 128
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#else
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#define BURNING_MATERIAL_MAX_TEXTURES 2
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#ifdef SOFTWARE_DRIVER_2_USE_VERTEX_COLOR
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#define BURNING_MATERIAL_MAX_COLORS 1
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#else
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#define BURNING_MATERIAL_MAX_COLORS 0
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#endif
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#define BURNING_MATERIAL_MAX_LIGHT_TANGENT 1
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//ensure handcrafted sizeof(s4DVertex)
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#define sizeof_s4DVertex 64
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#endif
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// dummy Vertex. used for calculation vertex memory size
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struct s4DVertex_proxy
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{
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sVec4 Pos;
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#if BURNING_MATERIAL_MAX_TEXTURES > 0
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sVec2 Tex[BURNING_MATERIAL_MAX_TEXTURES];
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#endif
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#if BURNING_MATERIAL_MAX_COLORS > 0
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sVec4 Color[BURNING_MATERIAL_MAX_COLORS];
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#endif
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#if BURNING_MATERIAL_MAX_LIGHT_TANGENT > 0
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sVec3Pack LightTangent[BURNING_MATERIAL_MAX_LIGHT_TANGENT];
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#endif
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u32 flag; // e4DVertexFlag
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};
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/*!
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Internal BurningVideo Vertex
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*/
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struct s4DVertex
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{
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sVec4 Pos;
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#if BURNING_MATERIAL_MAX_TEXTURES > 0
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sVec2 Tex[ BURNING_MATERIAL_MAX_TEXTURES ];
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#endif
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#if BURNING_MATERIAL_MAX_COLORS > 0
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sVec4 Color[ BURNING_MATERIAL_MAX_COLORS ];
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#endif
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#if BURNING_MATERIAL_MAX_LIGHT_TANGENT > 0
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sVec3Pack LightTangent[BURNING_MATERIAL_MAX_LIGHT_TANGENT];
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#endif
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u32 flag; // e4DVertexFlag
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#if BURNING_MATERIAL_MAX_COLORS < 1 || BURNING_MATERIAL_MAX_LIGHT_TANGENT < 1
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u8 __align [sizeof_s4DVertex - sizeof (s4DVertex_proxy) ];
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#endif
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// f = a * t + b * ( 1 - t )
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void interpolate(const s4DVertex& burning_restrict b, const s4DVertex& burning_restrict a, const ipoltype t)
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{
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Pos.interpolate ( a.Pos, b.Pos, t );
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#if 0
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Tex[0].interpolate(a.Tex[0], b.Tex[0], t);
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Tex[1].interpolate(a.Tex[1], b.Tex[1], t);
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Color[0].interpolate(a.Color[0], b.Color[0], t);
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LightTangent[0].interpolate(a.LightTangent[0], b.LightTangent[0], t);
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#endif
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size_t i;
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size_t size;
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#if BURNING_MATERIAL_MAX_TEXTURES > 0
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size = (flag & VERTEX4D_FORMAT_MASK_TEXTURE) >> 16;
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for ( i = 0; i!= size; ++i )
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{
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Tex[i].interpolate ( a.Tex[i], b.Tex[i], t );
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}
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#endif
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#if BURNING_MATERIAL_MAX_COLORS > 0
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size = (flag & VERTEX4D_FORMAT_MASK_COLOR) >> 20;
|
|
for ( i = 0; i!= size; ++i )
|
|
{
|
|
Color[i].interpolate ( a.Color[i], b.Color[i], t );
|
|
}
|
|
#endif
|
|
|
|
#if BURNING_MATERIAL_MAX_LIGHT_TANGENT > 0
|
|
size = (flag & VERTEX4D_FORMAT_MASK_LIGHT) >> 24;
|
|
for ( i = 0; i!= size; ++i )
|
|
{
|
|
LightTangent[i].interpolate ( a.LightTangent[i], b.LightTangent[i], t );
|
|
}
|
|
#endif
|
|
|
|
}
|
|
};
|
|
|
|
// ----------------- Vertex Cache ---------------------------
|
|
|
|
// Buffer is used as pairs of S4DVertex (0 ... ndc, 1 .. dc and projected)
|
|
typedef s4DVertex s4DVertexPair;
|
|
#define sizeof_s4DVertexPairRel 2
|
|
#define s4DVertex_ofs(index) ((index)*sizeof_s4DVertexPairRel)
|
|
#define s4DVertex_proj(index) ((index)*sizeof_s4DVertexPairRel) + 1
|
|
|
|
struct SAligned4DVertex
|
|
{
|
|
SAligned4DVertex()
|
|
:data(0),ElementSize(0),mem(0) {}
|
|
|
|
virtual ~SAligned4DVertex ()
|
|
{
|
|
if (mem)
|
|
{
|
|
delete[] mem;
|
|
mem = 0;
|
|
}
|
|
}
|
|
|
|
void resize(size_t element)
|
|
{
|
|
if (element > ElementSize)
|
|
{
|
|
if (mem) delete[] mem;
|
|
size_t byteSize = align_next(element * sizeof_s4DVertex, 4096);
|
|
mem = new u8[byteSize];
|
|
}
|
|
ElementSize = element;
|
|
data = (s4DVertex*)mem;
|
|
}
|
|
|
|
s4DVertex* data; //align to 16 byte
|
|
size_t ElementSize;
|
|
|
|
private:
|
|
|
|
u8* mem;
|
|
};
|
|
|
|
//#define memcpy_s4DVertexPair(dst,src) memcpy(dst,src,sizeof_s4DVertex * 2)
|
|
static REALINLINE void memcpy_s4DVertexPair(void* burning_restrict dst, const void* burning_restrict src)
|
|
{
|
|
//test alignment -> if already in aligned data
|
|
#if 0
|
|
if (((size_t)dst & 0xC) | ((size_t)src & 0xC))
|
|
{
|
|
int g = 1;
|
|
}
|
|
#endif
|
|
|
|
#if defined(ENV64BIT) && (sizeof_s4DVertex * sizeof_s4DVertexPairRel == 128)
|
|
u64* burning_restrict dst64 = (u64*)dst;
|
|
const u64* burning_restrict src64 = (const u64*)src;
|
|
|
|
dst64[0] = src64[0];
|
|
dst64[1] = src64[1];
|
|
dst64[2] = src64[2];
|
|
dst64[3] = src64[3];
|
|
dst64[4] = src64[4];
|
|
dst64[5] = src64[5];
|
|
dst64[6] = src64[6];
|
|
dst64[7] = src64[7];
|
|
|
|
dst64[8] = src64[8];
|
|
dst64[9] = src64[9];
|
|
dst64[10] = src64[10];
|
|
dst64[11] = src64[11];
|
|
dst64[12] = src64[12];
|
|
dst64[13] = src64[13];
|
|
dst64[14] = src64[14];
|
|
dst64[15] = src64[15];
|
|
|
|
#elif defined(ENV64BIT) && (sizeof_s4DVertex * sizeof_s4DVertexPairRel == 256)
|
|
u64* burning_restrict dst64 = (u64*)dst;
|
|
const u64* burning_restrict src64 = (const u64*)src;
|
|
|
|
dst64[0] = src64[0];
|
|
dst64[1] = src64[1];
|
|
dst64[2] = src64[2];
|
|
dst64[3] = src64[3];
|
|
dst64[4] = src64[4];
|
|
dst64[5] = src64[5];
|
|
dst64[6] = src64[6];
|
|
dst64[7] = src64[7];
|
|
|
|
dst64[8] = src64[8];
|
|
dst64[9] = src64[9];
|
|
dst64[10] = src64[10];
|
|
dst64[11] = src64[11];
|
|
dst64[12] = src64[12];
|
|
dst64[13] = src64[13];
|
|
dst64[14] = src64[14];
|
|
dst64[15] = src64[15];
|
|
|
|
dst64[16] = src64[16];
|
|
dst64[17] = src64[17];
|
|
dst64[18] = src64[18];
|
|
dst64[19] = src64[19];
|
|
dst64[20] = src64[20];
|
|
dst64[21] = src64[21];
|
|
dst64[22] = src64[22];
|
|
dst64[23] = src64[23];
|
|
|
|
dst64[24] = src64[24];
|
|
dst64[25] = src64[25];
|
|
dst64[26] = src64[26];
|
|
dst64[27] = src64[27];
|
|
dst64[28] = src64[28];
|
|
dst64[29] = src64[29];
|
|
dst64[30] = src64[30];
|
|
dst64[31] = src64[31];
|
|
|
|
#else
|
|
u32* dst32 = (u32*)dst;
|
|
const u32* src32 = (const u32*)src;
|
|
|
|
size_t len = sizeof_s4DVertex * sizeof_s4DVertexPairRel;
|
|
while (len >= 32)
|
|
{
|
|
*dst32++ = *src32++;
|
|
*dst32++ = *src32++;
|
|
*dst32++ = *src32++;
|
|
*dst32++ = *src32++;
|
|
*dst32++ = *src32++;
|
|
*dst32++ = *src32++;
|
|
*dst32++ = *src32++;
|
|
*dst32++ = *src32++;
|
|
len -= 32;
|
|
}
|
|
/*
|
|
while (len >= 4)
|
|
{
|
|
*dst32++ = *src32++;
|
|
len -= 4;
|
|
}
|
|
*/
|
|
#endif
|
|
}
|
|
|
|
|
|
//! hold info for different Vertex Types
|
|
struct SVSize
|
|
{
|
|
size_t Format; // e4DVertexFlag VERTEX4D_FORMAT_MASK_TEXTURE
|
|
size_t Pitch; // sizeof Vertex
|
|
size_t TexSize; // amount Textures
|
|
size_t TexCooSize; // sizeof TextureCoordinates
|
|
};
|
|
|
|
|
|
// a cache info
|
|
struct SCacheInfo
|
|
{
|
|
u32 index;
|
|
u32 hit;
|
|
};
|
|
|
|
//must at least hold all possible (clipped) vertices of primitive.
|
|
#define VERTEXCACHE_ELEMENT 16
|
|
#define VERTEXCACHE_MISS 0xFFFFFFFF
|
|
struct SVertexCache
|
|
{
|
|
SVertexCache () {}
|
|
~SVertexCache() {}
|
|
|
|
//VertexType
|
|
SVSize vSize[E4VT_COUNT];
|
|
|
|
SCacheInfo info[VERTEXCACHE_ELEMENT];
|
|
SCacheInfo info_temp[VERTEXCACHE_ELEMENT];
|
|
|
|
|
|
// Transformed and lite, clipping state
|
|
// + Clipped, Projected
|
|
SAligned4DVertex mem;
|
|
|
|
// source
|
|
const void* vertices;
|
|
u32 vertexCount;
|
|
|
|
const void* indices;
|
|
u32 indexCount;
|
|
u32 indicesIndex;
|
|
u32 indicesRun;
|
|
u32 indicesPitch;
|
|
|
|
// primitives consist of x vertices
|
|
size_t primitiveHasVertex;
|
|
|
|
e4DVertexType vType; //E_VERTEX_TYPE
|
|
scene::E_PRIMITIVE_TYPE pType; //scene::E_PRIMITIVE_TYPE
|
|
e4DIndexType iType; //E_INDEX_TYPE iType
|
|
|
|
};
|
|
|
|
|
|
// swap 2 pointer
|
|
REALINLINE void swapVertexPointer(const s4DVertex** v1, const s4DVertex** v2)
|
|
{
|
|
const s4DVertex* b = *v1;
|
|
*v1 = *v2;
|
|
*v2 = b;
|
|
}
|
|
|
|
|
|
// ------------------------ Internal Scanline Rasterizer -----------------------------
|
|
|
|
|
|
|
|
// internal scan convert
|
|
struct sScanConvertData
|
|
{
|
|
u32 left; // major edge left/right
|
|
u32 right; // !left
|
|
u8 _unused_pack[8];
|
|
|
|
f32 invDeltaY[4]; // inverse edge delta for screen space sorted triangle
|
|
|
|
f32 x[2]; // x coordinate
|
|
f32 slopeX[2]; // x slope along edges
|
|
|
|
#if defined ( SOFTWARE_DRIVER_2_USE_WBUFFER ) || defined ( SOFTWARE_DRIVER_2_PERSPECTIVE_CORRECT )
|
|
f32 w[2]; // w coordinate
|
|
fp24 slopeW[2]; // w slope along edges
|
|
#else
|
|
f32 z[2]; // z coordinate
|
|
f32 slopeZ[2]; // z slope along edges
|
|
#endif
|
|
|
|
#if BURNING_MATERIAL_MAX_COLORS > 0
|
|
sVec4 c[BURNING_MATERIAL_MAX_COLORS][2]; // color
|
|
sVec4 slopeC[BURNING_MATERIAL_MAX_COLORS][2]; // color slope along edges
|
|
#endif
|
|
|
|
#if BURNING_MATERIAL_MAX_TEXTURES > 0
|
|
sVec2 t[BURNING_MATERIAL_MAX_TEXTURES][2]; // texture
|
|
sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES][2]; // texture slope along edges
|
|
#endif
|
|
|
|
#if BURNING_MATERIAL_MAX_LIGHT_TANGENT > 0
|
|
sVec3Pack_unpack l[BURNING_MATERIAL_MAX_LIGHT_TANGENT][2]; // Light Tangent
|
|
sVec3Pack_unpack slopeL[BURNING_MATERIAL_MAX_LIGHT_TANGENT][2]; // tanget slope along edges
|
|
#endif
|
|
};
|
|
|
|
// passed to scan Line
|
|
struct sScanLineData
|
|
{
|
|
s32 y; // y position of scanline
|
|
u8 _unused_pack[4];
|
|
f32 x[2]; // x start, x end of scanline
|
|
|
|
#if defined ( SOFTWARE_DRIVER_2_USE_WBUFFER ) || defined ( SOFTWARE_DRIVER_2_PERSPECTIVE_CORRECT )
|
|
f32 w[2]; // w start, w end of scanline
|
|
#else
|
|
f32 z[2]; // z start, z end of scanline
|
|
#endif
|
|
|
|
s32 x_edgetest; // slope x
|
|
u8 _unused_pack_1[4];
|
|
|
|
#if BURNING_MATERIAL_MAX_COLORS > 0
|
|
sVec4 c[BURNING_MATERIAL_MAX_COLORS][2]; // color start, color end of scanline
|
|
#endif
|
|
|
|
#if BURNING_MATERIAL_MAX_TEXTURES > 0
|
|
sVec2 t[BURNING_MATERIAL_MAX_TEXTURES][2]; // texture start, texture end of scanline
|
|
#endif
|
|
|
|
#if BURNING_MATERIAL_MAX_LIGHT_TANGENT > 0
|
|
sVec3Pack_unpack l[BURNING_MATERIAL_MAX_LIGHT_TANGENT][2]; // Light Tangent start, end
|
|
#endif
|
|
};
|
|
|
|
// passed to pixel Shader
|
|
struct sPixelShaderData
|
|
{
|
|
tVideoSample *dst;
|
|
fp24 *z;
|
|
|
|
s32 xStart;
|
|
s32 xEnd;
|
|
s32 dx;
|
|
s32 i;
|
|
};
|
|
|
|
/*
|
|
load a color value
|
|
*/
|
|
REALINLINE void getTexel_plain2 ( tFixPoint &r, tFixPoint &g, tFixPoint &b,const sVec4 &v )
|
|
{
|
|
r = tofix(v.r, FIX_POINT_F32_MUL);
|
|
g = tofix(v.g, FIX_POINT_F32_MUL);
|
|
b = tofix(v.b, FIX_POINT_F32_MUL);
|
|
}
|
|
|
|
#if 0
|
|
/*
|
|
load a color value
|
|
*/
|
|
REALINLINE void getSample_color ( tFixPoint &a, tFixPoint &r, tFixPoint &g, tFixPoint &b, const sVec4 &v )
|
|
{
|
|
a = tofix ( v.a, FIX_POINT_F32_MUL);
|
|
r = tofix ( v.r, COLOR_MAX * FIX_POINT_F32_MUL);
|
|
g = tofix ( v.g, COLOR_MAX * FIX_POINT_F32_MUL);
|
|
b = tofix ( v.b, COLOR_MAX * FIX_POINT_F32_MUL);
|
|
}
|
|
|
|
/*
|
|
load a color value
|
|
*/
|
|
REALINLINE void getSample_color ( tFixPoint &r, tFixPoint &g, tFixPoint &b,const sVec4 &v )
|
|
{
|
|
r = tofix ( v.r, COLOR_MAX * FIX_POINT_F32_MUL);
|
|
g = tofix ( v.g, COLOR_MAX * FIX_POINT_F32_MUL);
|
|
b = tofix ( v.b, COLOR_MAX * FIX_POINT_F32_MUL);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
load a color value. mulby controls [0;1] or [0;ColorMax]
|
|
aka getSample_color
|
|
*/
|
|
REALINLINE void vec4_to_fix(tFixPoint &r, tFixPoint &g, tFixPoint &b,const sVec4 &v, const f32 mulby )
|
|
{
|
|
r = tofix(v.r, mulby);
|
|
g = tofix(v.g, mulby);
|
|
b = tofix(v.b, mulby);
|
|
}
|
|
|
|
REALINLINE void vec4_to_fix(tFixPoint &a,tFixPoint &r, tFixPoint &g, tFixPoint &b,const sVec4 &v, const f32 mulby)
|
|
{
|
|
a = tofix(v.a, mulby);
|
|
r = tofix(v.r, mulby);
|
|
g = tofix(v.g, mulby);
|
|
b = tofix(v.b, mulby);
|
|
}
|
|
|
|
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|
|
|