mirror of
https://github.com/hrydgard/ppsspp.git
synced 2024-11-23 13:30:02 +00:00
97 lines
2.7 KiB
C++
97 lines
2.7 KiB
C++
// Copyright (c) 2014- PPSSPP Project.
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, version 2.0 or later versions.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License 2.0 for more details.
|
|
|
|
// A copy of the GPL 2.0 should have been included with the program.
|
|
// If not, see http://www.gnu.org/licenses/
|
|
|
|
// Official git repository and contact information can be found at
|
|
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
|
|
|
|
#pragma once
|
|
|
|
#include <cstring>
|
|
|
|
#include "Common/CommonTypes.h"
|
|
#include "GPU/ge_constants.h"
|
|
#include "GPU/Math3D.h"
|
|
|
|
struct Color4 {
|
|
float r, g, b, a;
|
|
|
|
Color4() : r(0), g(0), b(0), a(0) { }
|
|
Color4(float _r, float _g, float _b, float _a = 1.0f)
|
|
: r(_r), g(_g), b(_b), a(_a) {
|
|
}
|
|
Color4(const float in[4]) { r = in[0]; g = in[1]; b = in[2]; a = in[3]; }
|
|
Color4(const float in[3], float alpha) { r = in[0]; g = in[1]; b = in[2]; a = alpha; }
|
|
|
|
const float &operator [](int i) const { return *(&r + i); }
|
|
|
|
Color4 operator *(float f) const {
|
|
return Color4(f*r, f*g, f*b, f*a);
|
|
}
|
|
Color4 operator *(const Color4 &c) const {
|
|
return Color4(r*c.r, g*c.g, b*c.b, a*c.a);
|
|
}
|
|
Color4 operator +(const Color4 &c) const {
|
|
return Color4(r + c.r, g + c.g, b + c.b, a + c.a);
|
|
}
|
|
void operator +=(const Color4 &c) {
|
|
r += c.r;
|
|
g += c.g;
|
|
b += c.b;
|
|
a += c.a;
|
|
}
|
|
void GetFromRGB(u32 col) {
|
|
b = ((col >> 16) & 0xff) * (1.0f / 255.0f);
|
|
g = ((col >> 8) & 0xff) * (1.0f / 255.0f);
|
|
r = ((col >> 0) & 0xff) * (1.0f / 255.0f);
|
|
}
|
|
void GetFromA(u32 col) {
|
|
a = (col & 0xff) * (1.0f / 255.0f);
|
|
}
|
|
};
|
|
|
|
// Convenient way to do precomputation to save the parts of the lighting calculation
|
|
// that's common between the many vertices of a draw call.
|
|
class Lighter {
|
|
public:
|
|
Lighter(int vertType);
|
|
void Light(float colorOut0[4], float colorOut1[4], const float colorIn[4], const Vec3f &pos, const Vec3f &normal);
|
|
|
|
private:
|
|
inline Vec3f Vec3fFromGE(const u32 *values) const {
|
|
float x = getFloat24(values[0]);
|
|
float y = getFloat24(values[1]);
|
|
float z = getFloat24(values[2]);
|
|
return Vec3f(x, y, z);
|
|
}
|
|
|
|
Color4 globalAmbient;
|
|
Color4 materialEmissive;
|
|
Color4 materialAmbient;
|
|
Color4 materialDiffuse;
|
|
Color4 materialSpecular;
|
|
float specCoef_;
|
|
// Vec3f viewer_;
|
|
bool doShadeMapping_;
|
|
int materialUpdate_;
|
|
|
|
// Converted light parameters
|
|
Vec3f lpos[4]; // Used by shade UV mapping
|
|
Vec3f ldir[4];
|
|
Vec3f latt[4];
|
|
float lcutoff[4];
|
|
float lconv[4];
|
|
float lcolor[3][4][3];
|
|
};
|
|
|