arti/wdisplays
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Correctly render flipped/rotated screens

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Jason Francis committed 2019-08-23 17:35:59 -04:00
1 parent 2a896eae5f
commit bd8fc3f7d4
3 files changed
+70 -15
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src/render.c
+31 -12
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@@ -253,20 +253,39 @@ void wd_gl_render(struct wd_gl_data *res, struct wd_render_data *info,
int i = 0;
wl_list_for_each_reverse(head, &info->heads, link) {
float *tri_ptr = res->tris + i * BT_UV_QUAD_SIZE;
float x1 = head->x1;
float y1 = head->y1;
float x2 = head->x2;
float y2 = head->y2;
float x1 = head->active.x_invert ? head->x2 : head->x1;
float y1 = head->y_invert ? head->y2 : head->y1;
float x2 = head->active.x_invert ? head->x1 : head->x2;
float y2 = head->y_invert ? head->y1 : head->y2;
float t1 = head->y_invert ? 1.f : 0.f;
float t2 = head->y_invert ? 0.f : 1.f;
float sa = 0.f;
float sb = 1.f;
float sc = sb;
float sd = sa;
float ta = 0.f;
float tb = ta;
float tc = 1.f;
float td = tc;
for (int i = 0; i < head->active.rotation; i++) {
float tmp = sd;
sd = sc;
sc = sb;
sb = sa;
sa = tmp;
PUSH_POINT_UV(tri_ptr, x1, y1, 0.f, t1)
PUSH_POINT_UV(tri_ptr, x2, y1, 1.f, t1)
PUSH_POINT_UV(tri_ptr, x1, y2, 0.f, t2)
PUSH_POINT_UV(tri_ptr, x1, y2, 0.f, t2)
PUSH_POINT_UV(tri_ptr, x2, y1, 1.f, t1)
PUSH_POINT_UV(tri_ptr, x2, y2, 1.f, t2)
tmp = td;
td = tc;
tc = tb;
tb = ta;
ta = tmp;
}
PUSH_POINT_UV(tri_ptr, x1, y1, sa, ta)
PUSH_POINT_UV(tri_ptr, x2, y1, sb, tb)
PUSH_POINT_UV(tri_ptr, x1, y2, sd, td)
PUSH_POINT_UV(tri_ptr, x1, y2, sd, td)
PUSH_POINT_UV(tri_ptr, x2, y1, sb, tb)
PUSH_POINT_UV(tri_ptr, x2, y2, sc, tc)
tris += 6;
i++;