Differential D9415 Diff 44923 source/blender/gpu/intern/gpu_immediate_util.c

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Show First 20 Lines • Show All 648 Lines • ▼ Show 20 Lines	void imm_drawcircball(const float cent[3], float rad, const float tmat[4][4], uint pos)
circball_array_fill(verts, cent, rad, tmat);		circball_array_fill(verts, cent, rad, tmat);

immBegin(GPU_PRIM_LINE_LOOP, CIRCLE_RESOL);		immBegin(GPU_PRIM_LINE_LOOP, CIRCLE_RESOL);
for (int i = 0; i < CIRCLE_RESOL; i++) {		for (int i = 0; i < CIRCLE_RESOL; i++) {
immVertex3fv(pos, verts[i]);		immVertex3fv(pos, verts[i]);
}		}
immEnd();		immEnd();
}		}

		void imm_drawX(const float cent[3], float size, const float tmat[4][4], uint pos)
		{
		/* Draw an "X" indicating where the previous snap point is.
		* This is useful for indicating perpendicular snap. */

		/* v1, v2, v3 and v4 indicate the coordinates of the ends of the "X". */
		float vx[3], vy[3], v1[3], v2[3], v3[3], v4[4];

		mul_v3_v3fl(vx, tmat[0], size);
		mul_v3_v3fl(vy, tmat[1], size);

		add_v3_v3v3(v1, vx, vy);
		sub_v3_v3v3(v2, vx, vy);
		negate_v3_v3(v3, v1);
		negate_v3_v3(v4, v2);

		add_v3_v3(v1, cent);
		add_v3_v3(v2, cent);
		add_v3_v3(v3, cent);
		add_v3_v3(v4, cent);

		immBegin(GPU_PRIM_LINES, 4);
		immVertex3fv(pos, v3);
		immVertex3fv(pos, v1);
		immVertex3fv(pos, v4);
		immVertex3fv(pos, v2);
		immEnd();
		}