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Evas masking: Implement polygon masking (GL)

This commit is contained in:
Jean-Philippe Andre 2015-04-01 11:01:48 +09:00
parent e38f5cafd5
commit 1864362aaf
1 changed files with 23 additions and 4 deletions
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27
src/modules/evas/engines/gl_common/evas_gl_polygon.c
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@ -131,6 +131,10 @@ evas_gl_common_poly_draw(Evas_Engine_GL_Context *gc, Evas_GL_Polygon *poly, int
Cutout_Rect *r;
int c, cx, cy, cw, ch, cr, cg, cb, ca, i;
int x = 0, y = 0, w = 0, h = 0;
Evas_GL_Texture *mtex = NULL;
Eina_Bool mask_smooth = EINA_FALSE;
int mx = 0, my = 0, mw = 0, mh = 0;
Evas_GL_Image *mask;
Eina_List *l;
int n, k, num_active_edges, yy0, yy1, *sorted_index, j;
@ -139,8 +143,6 @@ evas_gl_common_poly_draw(Evas_Engine_GL_Context *gc, Evas_GL_Polygon *poly, int
Evas_GL_Polygon_Point *pt;
Eina_Inlist *spans;
// TODO: Implement masking support (not very important right now)
/* save out clip info */
c = gc->dc->clip.use; cx = gc->dc->clip.x; cy = gc->dc->clip.y; cw = gc->dc->clip.w; ch = gc->dc->clip.h;
@ -150,6 +152,23 @@ evas_gl_common_poly_draw(Evas_Engine_GL_Context *gc, Evas_GL_Polygon *poly, int
cg = (gc->dc->col.col >> 8 ) & 0xff;
cb = (gc->dc->col.col ) & 0xff;
mask = gc->dc->clip.mask;
if (mask)
{
evas_gl_common_image_update(gc, mask);
mtex = mask->tex;
if (mtex && mtex->pt && mtex->pt->w && mtex->pt->h)
{
// canvas coords
mx = gc->dc->clip.mask_x;
my = gc->dc->clip.mask_y;
mw = mask->w;
mh = mask->h;
mask_smooth = mask->scaled.smooth;
}
else mtex = NULL;
}
n = eina_list_count(poly->points);
if (n < 3) return;
edges = malloc(sizeof(RGBA_Edge) * n);
@ -272,7 +291,7 @@ evas_gl_common_poly_draw(Evas_Engine_GL_Context *gc, Evas_GL_Polygon *poly, int
h = 1;
evas_gl_common_context_rectangle_push(gc, x, y, w, h,
cr, cg, cb, ca,
NULL, 0, 0, 0, 0, EINA_FALSE);
mtex, mx, my, mw, mh, mask_smooth);
}
}
else
@ -296,7 +315,7 @@ evas_gl_common_poly_draw(Evas_Engine_GL_Context *gc, Evas_GL_Polygon *poly, int
if ((w > 0) && (h > 0))
evas_gl_common_context_rectangle_push(gc, x, y, w, h,
cr, cg, cb, ca,
NULL, 0, 0, 0, 0, EINA_FALSE);
mtex, mx, my, mw, mh, mask_smooth);
}
}
}