Emulation/ppsspp
1
0
Fork 0
mirror of https://github.com/hrydgard/ppsspp.git synced 2025-04-02 11:01:50 -04:00
Code Issues Projects Releases Packages Wiki Activity

softgpu: Attempt to implement GE_PROJMAP_UV.

Browse source 
Looks okay, not sure if it's fully correct.
This commit is contained in:
Unknown W. Brackets 2013-11-23 13:07:07 -08:00
parent 9c545eea82
commit 2f0c8c2877
2 changed files with 13 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
GPU/Math3D.h
View file

@ -173,6 +173,7 @@ public:
Vec3() {}
Vec3(const T a[3]) : x(a[0]), y(a[1]), z(a[2]) {}
Vec3(const T& _x, const T& _y, const T& _z) : x(_x), y(_y), z(_z) {}
Vec3(const Vec2<T>& _xy, const T& _z) : x(_xy.x), y(_xy.y), z(_z) {}
template<typename T2>
Vec3<T2> Cast() const
@ -334,6 +335,8 @@ public:
Vec4() {}
Vec4(const T a[4]) : x(a[0]), y(a[1]), z(a[2]), w(a[3]) {}
Vec4(const T& _x, const T& _y, const T& _z, const T& _w) : x(_x), y(_y), z(_z), w(_w) {}
Vec4(const Vec2<T>& _xy, const T& _z, const T& _w) : x(_xy.x), y(_xy.y), z(_z), w(_w) {}
Vec4(const Vec3<T>& _xyz, const T& _w) : x(_xyz.x), y(_xyz.y), z(_xyz.z), w(_w) {}
template<typename T2>
Vec4<T2> Cast() const

12
GPU/Software/Rasterizer.cpp
View file

@ -206,10 +206,18 @@ static inline void GetTextureCoordinates(const VertexData& v0, const VertexData&
{
// projection mapping, TODO: Move this code to TransformUnit!
Vec3<float> source;
if (gstate.getUVProjMode() == GE_PROJMAP_POSITION) {
switch (gstate.getUVProjMode()) {
case GE_PROJMAP_POSITION:
source = ((v0.modelpos * w0 + v1.modelpos * w1 + v2.modelpos * w2) / (w0+w1+w2));
} else {
break;
case GE_PROJMAP_UV:
source = Vec3f((v0.texturecoords * w0 + v1.texturecoords * w1 + v2.texturecoords * w2) / (w0 + w1 + w2), 0.0f);
break;
default:
ERROR_LOG_REPORT(G3D, "Software: Unsupported UV projection mode %x", gstate.getUVProjMode());
break;
}
Mat3x3<float> tgen(gstate.tgenMatrix);