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Fix another zclipping bug

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This commit is contained in:
Luke Benstead 2018-09-15 17:38:42 +01:00
parent bc2fb6b658
commit 6aadc1124f
1 changed files with 6 additions and 1 deletions
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7
GL/clip.c
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@ -181,6 +181,12 @@ void clipTriangleStrip2(AlignedVector* vertices, uint32_t offset, uint8_t fladeS
ClipVertex* v2 = (even) ? vertex - 1 : vertex - 2; ClipVertex* v2 = (even) ? vertex - 1 : vertex - 2;
ClipVertex* v3 = vertex; ClipVertex* v3 = vertex;
/* Skip ahead if we don't have a complete triangle yet */
if(v1->flags == VERTEX_CMD_EOL || v2->flags == VERTEX_CMD_EOL) {
triangle = -1;
continue;
}
uint8_t visible = ((v1->w > 0) ? 4 : 0) | ((v2->w > 0) ? 2 : 0) | ((v3->w > 0) ? 1 : 0); uint8_t visible = ((v1->w > 0) ? 4 : 0) | ((v2->w > 0) ? 2 : 0) | ((v3->w > 0) ? 1 : 0);
switch(visible) { switch(visible) {
@ -258,7 +264,6 @@ void clipTriangleStrip2(AlignedVector* vertices, uint32_t offset, uint8_t fladeS
markDead(vertex); markDead(vertex);
triangle = -1; triangle = -1;
} else if(triangle == 0) { } else if(triangle == 0) {
/* First triangle in strip, remove first vertex */ /* First triangle in strip, remove first vertex */
markDead(v1); markDead(v1);