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Start slowly migrating from macros

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Henrik Rydgård committed 2019-10-27 20:54:36 +01:00
1 parent 19a1fa8430
commit 3a0804a7dd
1 file changed
+13 -11
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GPU/Software/Clipper.cpp
+13 -11
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@@ -51,26 +51,28 @@ static inline int CalcClipMask(const ClipCoords& v)
#define AddInterpolatedVertex(t, out, in, numVertices) \
{ \
Vertices[numVertices]->Lerp(t, *Vertices[out], *Vertices[in]); \
numVertices++; \
Vertices[numVertices++]->Lerp(t, *Vertices[out], *Vertices[in]); \
}
#define DIFFERENT_SIGNS(x,y) ((x <= 0 && y > 0) || (x > 0 && y <= 0))
inline bool DIFFERENT_SIGNS(float x, float y) {
return ((x <= 0 && y > 0) || (x > 0 && y <= 0));
}
#define CLIP_DOTPROD(I, A, B, C, D) \
(Vertices[I]->clippos.x * A + Vertices[I]->clippos.y * B + Vertices[I]->clippos.z * C + Vertices[I]->clippos.w * D)
inline float CLIP_DOTPROD(const VertexData &vert, float A, float B, float C, float D) {
return (vert.clippos.x * A + vert.clippos.y * B + vert.clippos.z * C + vert.clippos.w * D);
}
#define POLY_CLIP( PLANE_BIT, A, B, C, D ) \
{ \
if (mask & PLANE_BIT) { \
int idxPrev = inlist[0]; \
float dpPrev = CLIP_DOTPROD(idxPrev, A, B, C, D ); \
float dpPrev = CLIP_DOTPROD(*Vertices[idxPrev], A, B, C, D );\
int outcount = 0; \
\
inlist[n] = inlist[0]; \
for (int j = 1; j <= n; j++) { \
int idx = inlist[j]; \
float dp = CLIP_DOTPROD(idx, A, B, C, D ); \
float dp = CLIP_DOTPROD(*Vertices[idx], A, B, C, D ); \
if (dpPrev >= 0) { \
outlist[outcount++] = idxPrev; \
} \
@@ -104,9 +106,9 @@ static inline int CalcClipMask(const ClipCoords& v)
#define CLIP_LINE(PLANE_BIT, A, B, C, D) \
{ \
if (mask & PLANE_BIT) { \
float dp0 = CLIP_DOTPROD(0, A, B, C, D ); \
float dp1 = CLIP_DOTPROD(1, A, B, C, D ); \
if (mask & PLANE_BIT) { \
float dp0 = CLIP_DOTPROD(*Vertices[0], A, B, C, D ); \
float dp1 = CLIP_DOTPROD(*Vertices[1], A, B, C, D ); \
int i = 0; \
\
if (mask0 & PLANE_BIT) { \
@@ -116,7 +118,7 @@ static inline int CalcClipMask(const ClipCoords& v)
AddInterpolatedVertex(t, 1, 0, i); \
} \
} \
dp0 = CLIP_DOTPROD(0, A, B, C, D ); \
dp0 = CLIP_DOTPROD(*Vertices[0], A, B, C, D ); \
\
if (mask1 & PLANE_BIT) { \
if (dp1 < 0) { \