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Fix clip distance

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This commit is contained in:
Luke Benstead 2020-03-17 20:32:14 +00:00
parent 2f75ff8223
commit 921ef0c6a1
1 changed files with 4 additions and 2 deletions
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6
GL/clip.c
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@ -13,7 +13,6 @@
#include "private.h"
#include "../containers/aligned_vector.h"
static unsigned char ZCLIP_ENABLED = 1;
unsigned char _glIsClippingEnabled() {
@ -26,7 +25,10 @@ void _glEnableClipping(unsigned char v) {
void _glClipLineToNearZ(const Vertex* v1, const Vertex* v2, Vertex* vout, float* t) __attribute__((optimize("fast-math")));
void _glClipLineToNearZ(const Vertex* v1, const Vertex* v2, Vertex* vout, float* t) {
const float NEAR_PLANE = NEAR_PLANE_DISTANCE + 0.0001f;
/* 0.2f is the zclip distance set by KOS in the PVR registers. This is weird and
* no-one yet knows why. */
const float NEAR_PLANE = NEAR_PLANE_DISTANCE + 0.2f;
*t = (NEAR_PLANE - v1->w) / (v2->w - v1->w);