From f9158592e1478b2013afc7041d9ed041cf2d2f4a Mon Sep 17 00:00:00 2001 From: David Walter Seikel Date: Mon, 13 Jan 2014 19:47:58 +1000 Subject: Update Irrlicht to 1.8.1. Include actual change markers this time. lol --- .../irrlicht-1.8.1/source/Irrlicht/S4DVertex.h | 693 +++++++++++++++++++++ 1 file changed, 693 insertions(+) create mode 100644 libraries/irrlicht-1.8.1/source/Irrlicht/S4DVertex.h (limited to 'libraries/irrlicht-1.8.1/source/Irrlicht/S4DVertex.h') diff --git a/libraries/irrlicht-1.8.1/source/Irrlicht/S4DVertex.h b/libraries/irrlicht-1.8.1/source/Irrlicht/S4DVertex.h new file mode 100644 index 0000000..3b80919 --- /dev/null +++ b/libraries/irrlicht-1.8.1/source/Irrlicht/S4DVertex.h @@ -0,0 +1,693 @@ +// Copyright (C) 2002-2012 Nikolaus Gebhardt / Thomas Alten +// This file is part of the "Irrlicht Engine". +// For conditions of distribution and use, see copyright notice in irrlicht.h + + +#ifndef __S_4D_VERTEX_H_INCLUDED__ +#define __S_4D_VERTEX_H_INCLUDED__ + +#include "SoftwareDriver2_compile_config.h" +#include "SoftwareDriver2_helper.h" +#include "irrAllocator.h" + +namespace irr +{ + +namespace video +{ + +struct sVec2 +{ + f32 x; + f32 y; + + sVec2 () {} + + sVec2 ( f32 s) : x ( s ), y ( s ) {} + sVec2 ( f32 _x, f32 _y ) + : x ( _x ), y ( _y ) {} + + void set ( f32 _x, f32 _y ) + { + x = _x; + y = _y; + } + + // f = a * t + b * ( 1 - t ) + void interpolate(const sVec2& a, const sVec2& b, const f32 t) + { + x = b.x + ( ( a.x - b.x ) * t ); + y = b.y + ( ( a.y - b.y ) * t ); + } + + sVec2 operator-(const sVec2& other) const + { + return sVec2(x - other.x, y - other.y); + } + + sVec2 operator+(const sVec2& other) const + { + return sVec2(x + other.x, y + other.y); + } + + void operator+=(const sVec2& other) + { + x += other.x; + y += other.y; + } + + sVec2 operator*(const f32 s) const + { + return sVec2(x * s , y * s); + } + + void operator*=( const f32 s) + { + x *= s; + y *= s; + } + + void operator=(const sVec2& other) + { + x = other.x; + y = other.y; + } + +}; + +// A8R8G8B8 +struct sVec4; +struct sCompressedVec4 +{ + u32 argb; + + void setA8R8G8B8 ( u32 value ) + { + argb = value; + } + + void setColorf ( const video::SColorf & color ) + { + argb = core::floor32 ( color.a * 255.f ) << 24 | + core::floor32 ( color.r * 255.f ) << 16 | + core::floor32 ( color.g * 255.f ) << 8 | + core::floor32 ( color.b * 255.f ); + } + + void setVec4 ( const sVec4 & v ); + + // f = a * t + b * ( 1 - t ) + void interpolate(const sCompressedVec4& a, const sCompressedVec4& b, const f32 t) + { + argb = PixelBlend32 ( b.argb, a.argb, core::floor32 ( t * 256.f ) ); + } + + +}; + + +struct sVec4 +{ + union + { + struct { f32 x, y, z, w; }; + struct { f32 a, r, g, b; }; +// struct { sVec2 xy, zw; }; // sorry, this does not compile with gcc + }; + + + + sVec4 () {} + + sVec4 ( f32 s) : x ( s ), y ( s ), z ( s ), w ( s ) {} + + sVec4 ( f32 _x, f32 _y, f32 _z, f32 _w ) + : x ( _x ), y ( _y ), z( _z ), w ( _w ){} + + void set ( f32 _x, f32 _y, f32 _z, f32 _w ) + { + x = _x; + y = _y; + z = _z; + w = _w; + } + + void setA8R8G8B8 ( u32 argb ) + { + x = ( ( argb & 0xFF000000 ) >> 24 ) * ( 1.f / 255.f ); + y = ( ( argb & 0x00FF0000 ) >> 16 ) * ( 1.f / 255.f ); + z = ( ( argb & 0x0000FF00 ) >> 8 ) * ( 1.f / 255.f ); + w = ( ( argb & 0x000000FF ) ) * ( 1.f / 255.f ); + } + + + void setColorf ( const video::SColorf & color ) + { + x = color.a; + y = color.r; + z = color.g; + w = color.b; + } + + + // f = a * t + b * ( 1 - t ) + void interpolate(const sVec4& a, const sVec4& b, const f32 t) + { + x = b.x + ( ( a.x - b.x ) * t ); + y = b.y + ( ( a.y - b.y ) * t ); + z = b.z + ( ( a.z - b.z ) * t ); + w = b.w + ( ( a.w - b.w ) * t ); + } + + + f32 dotProduct(const sVec4& other) const + { + return x*other.x + y*other.y + z*other.z + w*other.w; + } + + f32 dot_xyz( const sVec4& other) const + { + return x*other.x + y*other.y + z*other.z; + } + + f32 get_length_xyz_square () const + { + return x * x + y * y + z * z; + } + + f32 get_length_xyz () const + { + return core::squareroot ( x * x + y * y + z * z ); + } + + void normalize_xyz () + { + const f32 l = core::reciprocal_squareroot ( x * x + y * y + z * z ); + + x *= l; + y *= l; + z *= l; + } + + void project_xyz () + { + w = core::reciprocal ( w ); + x *= w; + y *= w; + z *= w; + } + + sVec4 operator-(const sVec4& other) const + { + return sVec4(x - other.x, y - other.y, z - other.z,w - other.w); + } + + sVec4 operator+(const sVec4& other) const + { + return sVec4(x + other.x, y + other.y, z + other.z,w + other.w); + } + + void operator+=(const sVec4& other) + { + x += other.x; + y += other.y; + z += other.z; + w += other.w; + } + + sVec4 operator*(const f32 s) const + { + return sVec4(x * s , y * s, z * s,w * s); + } + + sVec4 operator*(const sVec4 &other) const + { + return sVec4(x * other.x , y * other.y, z * other.z,w * other.w); + } + + void mulReciprocal ( f32 s ) + { + const f32 i = core::reciprocal ( s ); + x = (f32) ( x * i ); + y = (f32) ( y * i ); + z = (f32) ( z * i ); + w = (f32) ( w * i ); + } + + void mul ( const f32 s ) + { + x *= s; + y *= s; + z *= s; + w *= s; + } + +/* + void operator*=(f32 s) + { + x *= s; + y *= s; + z *= s; + w *= s; + } +*/ + void operator*=(const sVec4 &other) + { + x *= other.x; + y *= other.y; + z *= other.z; + w *= other.w; + } + + void operator=(const sVec4& other) + { + x = other.x; + y = other.y; + z = other.z; + w = other.w; + } +}; + +struct sVec3 +{ + union + { + struct { f32 r, g, b; }; + struct { f32 x, y, z; }; + }; + + + sVec3 () {} + sVec3 ( f32 _x, f32 _y, f32 _z ) + : r ( _x ), g ( _y ), b( _z ) {} + + sVec3 ( const sVec4 &v ) + : r ( v.x ), g ( v.y ), b( v.z ) {} + + void set ( f32 _r, f32 _g, f32 _b ) + { + r = _r; + g = _g; + b = _b; + } + + void setR8G8B8 ( u32 argb ) + { + r = ( ( argb & 0x00FF0000 ) >> 16 ) * ( 1.f / 255.f ); + g = ( ( argb & 0x0000FF00 ) >> 8 ) * ( 1.f / 255.f ); + b = ( ( argb & 0x000000FF ) ) * ( 1.f / 255.f ); + } + + void setColorf ( const video::SColorf & color ) + { + r = color.r; + g = color.g; + b = color.b; + } + + void add (const sVec3& other) + { + r += other.r; + g += other.g; + b += other.b; + } + + void mulAdd(const sVec3& other, const f32 v) + { + r += other.r * v; + g += other.g * v; + b += other.b * v; + } + + void mulAdd(const sVec3& v0, const sVec3& v1) + { + r += v0.r * v1.r; + g += v0.g * v1.g; + b += v0.b * v1.b; + } + + void saturate ( sVec4 &dest, u32 argb ) + { + dest.x = ( ( argb & 0xFF000000 ) >> 24 ) * ( 1.f / 255.f ); + dest.y = core::min_ ( r, 1.f ); + dest.z = core::min_ ( g, 1.f ); + dest.w = core::min_ ( b, 1.f ); + } + + // f = a * t + b * ( 1 - t ) + void interpolate(const sVec3& v0, const sVec3& v1, const f32 t) + { + r = v1.r + ( ( v0.r - v1.r ) * t ); + g = v1.g + ( ( v0.g - v1.g ) * t ); + b = v1.b + ( ( v0.b - v1.b ) * t ); + } + + sVec3 operator-(const sVec3& other) const + { + return sVec3(r - other.r, b - other.b, g - other.g); + } + + sVec3 operator+(const sVec3& other) const + { + return sVec3(r + other.r, g + other.g, b + other.b); + } + + sVec3 operator*(const f32 s) const + { + return sVec3(r * s , g * s, b * s); + } + + sVec3 operator/(const f32 s) const + { + f32 inv = 1.f / s; + return sVec3(r * inv , g * inv, b * inv); + } + + sVec3 operator*(const sVec3 &other) const + { + return sVec3(r * other.r , b * other.b, g * other.g); + } + + void operator+=(const sVec3& other) + { + r += other.r; + g += other.g; + b += other.b; + } + + void setLength ( f32 len ) + { + const f32 l = len * core::reciprocal_squareroot ( r * r + g * g + b * b ); + + r *= l; + g *= l; + b *= l; + } + +}; + + + +inline void sCompressedVec4::setVec4 ( const sVec4 & v ) +{ + argb = core::floor32 ( v.x * 255.f ) << 24 | + core::floor32 ( v.y * 255.f ) << 16 | + core::floor32 ( v.z * 255.f ) << 8 | + core::floor32 ( v.w * 255.f ); +} + + +enum e4DVertexFlag +{ + VERTEX4D_INSIDE = 0x0000003F, + VERTEX4D_CLIPMASK = 0x0000003F, + VERTEX4D_PROJECTED = 0x00000100, + + VERTEX4D_FORMAT_MASK = 0xFFFF0000, + + VERTEX4D_FORMAT_MASK_TEXTURE = 0x000F0000, + VERTEX4D_FORMAT_TEXTURE_1 = 0x00010000, + VERTEX4D_FORMAT_TEXTURE_2 = 0x00020000, + VERTEX4D_FORMAT_TEXTURE_3 = 0x00030000, + VERTEX4D_FORMAT_TEXTURE_4 = 0x00040000, + + VERTEX4D_FORMAT_MASK_COLOR = 0x00F00000, + VERTEX4D_FORMAT_COLOR_1 = 0x00100000, + VERTEX4D_FORMAT_COLOR_2 = 0x00200000, + + VERTEX4D_FORMAT_MASK_BUMP = 0x0F000000, + VERTEX4D_FORMAT_BUMP_DOT3 = 0x01000000, + +}; + +const u32 MATERIAL_MAX_COLORS = 1; +const u32 BURNING_MATERIAL_MAX_TEXTURES = 2; +const u32 BURNING_MATERIAL_MAX_TANGENT = 1; + +// dummy Vertex. used for calculation vertex memory size +struct s4DVertex_proxy +{ + u32 flag; + sVec4 Pos; + sVec2 Tex[BURNING_MATERIAL_MAX_TEXTURES]; + +#ifdef SOFTWARE_DRIVER_2_USE_VERTEX_COLOR + sVec4 Color[MATERIAL_MAX_COLORS]; +#endif + + sVec3 LightTangent[BURNING_MATERIAL_MAX_TANGENT]; + +}; + +#define SIZEOF_SVERTEX 64 +#define SIZEOF_SVERTEX_LOG2 6 + +/*! + Internal BurningVideo Vertex +*/ +struct s4DVertex +{ + u32 flag; + + sVec4 Pos; + sVec2 Tex[ BURNING_MATERIAL_MAX_TEXTURES ]; + +#ifdef SOFTWARE_DRIVER_2_USE_VERTEX_COLOR + sVec4 Color[ MATERIAL_MAX_COLORS ]; +#endif + + sVec3 LightTangent[BURNING_MATERIAL_MAX_TANGENT]; + + //u8 fill [ SIZEOF_SVERTEX - sizeof (s4DVertex_proxy) ]; + + // f = a * t + b * ( 1 - t ) + void interpolate(const s4DVertex& b, const s4DVertex& a, const f32 t) + { + u32 i; + u32 size; + + Pos.interpolate ( a.Pos, b.Pos, t ); + +#ifdef SOFTWARE_DRIVER_2_USE_VERTEX_COLOR + size = (flag & VERTEX4D_FORMAT_MASK_COLOR) >> 20; + for ( i = 0; i!= size; ++i ) + { + Color[i].interpolate ( a.Color[i], b.Color[i], t ); + } +#endif + + size = (flag & VERTEX4D_FORMAT_MASK_TEXTURE) >> 16; + for ( i = 0; i!= size; ++i ) + { + Tex[i].interpolate ( a.Tex[i], b.Tex[i], t ); + } + + size = (flag & VERTEX4D_FORMAT_MASK_BUMP) >> 24; + for ( i = 0; i!= size; ++i ) + { + LightTangent[i].interpolate ( a.LightTangent[i], b.LightTangent[i], t ); + } + + } +}; + +// ----------------- Vertex Cache --------------------------- + +struct SAlignedVertex +{ + SAlignedVertex ( u32 element, u32 aligned ) + : ElementSize ( element ) + { + u32 byteSize = (ElementSize << SIZEOF_SVERTEX_LOG2 ) + aligned; + mem = new u8 [ byteSize ]; + data = (s4DVertex*) mem; + } + + virtual ~SAlignedVertex () + { + delete [] mem; + } + + s4DVertex *data; + u8 *mem; + u32 ElementSize; +}; + + +// hold info for different Vertex Types +struct SVSize +{ + u32 Format; + u32 Pitch; + u32 TexSize; +}; + + +// a cache info +struct SCacheInfo +{ + u32 index; + u32 hit; +}; + +#define VERTEXCACHE_ELEMENT 16 +#define VERTEXCACHE_MISS 0xFFFFFFFF +struct SVertexCache +{ + SVertexCache (): mem ( VERTEXCACHE_ELEMENT * 2, 128 ) {} + + SCacheInfo info[VERTEXCACHE_ELEMENT]; + + + // Transformed and lite, clipping state + // + Clipped, Projected + SAlignedVertex mem; + + // source + const void* vertices; + u32 vertexCount; + + const void* indices; + u32 indexCount; + u32 indicesIndex; + + u32 indicesRun; + + // primitives consist of x vertices + u32 primitivePitch; + + u32 vType; //E_VERTEX_TYPE + u32 pType; //scene::E_PRIMITIVE_TYPE + u32 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 +{ + u8 left; // major edge left/right + u8 right; // !left + + f32 invDeltaY[3]; // inverse edge delta y + + 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 + + sVec4 c[MATERIAL_MAX_COLORS][2]; // color + sVec4 slopeC[MATERIAL_MAX_COLORS][2]; // color slope along edges + + sVec2 t[BURNING_MATERIAL_MAX_TEXTURES][2]; // texture + sVec2 slopeT[BURNING_MATERIAL_MAX_TEXTURES][2]; // texture slope along edges + + sVec3 l[BURNING_MATERIAL_MAX_TANGENT][2]; // Light Tangent + sVec3 slopeL[BURNING_MATERIAL_MAX_TEXTURES][2]; // tanget slope along edges +}; + +// passed to scan Line +struct sScanLineData +{ + s32 y; // y position of scanline + 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 + +#ifdef SOFTWARE_DRIVER_2_USE_VERTEX_COLOR + sVec4 c[MATERIAL_MAX_COLORS][2]; // color start, color end of scanline +#endif + + sVec2 t[BURNING_MATERIAL_MAX_TEXTURES][2]; // texture start, texture end of scanline + sVec3 l[BURNING_MATERIAL_MAX_TANGENT][2]; // Light Tangent start, end +}; + +// passed to pixel Shader +struct sPixelShaderData +{ + tVideoSample *dst; + fp24 *z; + + s32 xStart; + s32 xEnd; + s32 dx; + s32 i; +}; + +/* + load a color value +*/ +inline void getTexel_plain2 ( tFixPoint &r, tFixPoint &g, tFixPoint &b, + const sVec4 &v + ) +{ + r = tofix ( v.y ); + g = tofix ( v.z ); + b = tofix ( v.w ); +} + +/* + load a color value +*/ +inline void getSample_color ( tFixPoint &a, tFixPoint &r, tFixPoint &g, tFixPoint &b, + const sVec4 &v + ) +{ + a = tofix ( v.x ); + r = tofix ( v.y, COLOR_MAX * FIX_POINT_F32_MUL); + g = tofix ( v.z, COLOR_MAX * FIX_POINT_F32_MUL); + b = tofix ( v.w, COLOR_MAX * FIX_POINT_F32_MUL); +} + +/* + load a color value +*/ +inline void getSample_color ( tFixPoint &r, tFixPoint &g, tFixPoint &b,const sVec4 &v ) +{ + r = tofix ( v.y, COLOR_MAX * FIX_POINT_F32_MUL); + g = tofix ( v.z, COLOR_MAX * FIX_POINT_F32_MUL); + b = tofix ( v.w, COLOR_MAX * FIX_POINT_F32_MUL); +} + +/* + load a color value +*/ +inline void getSample_color ( tFixPoint &r, tFixPoint &g, tFixPoint &b, + const sVec4 &v, const f32 mulby ) +{ + r = tofix ( v.y, mulby); + g = tofix ( v.z, mulby); + b = tofix ( v.w, mulby); +} + + + +} + +} + +#endif + -- cgit v1.1