From 4c8fdec9be6d42d8d94b43bdcf1b0d7ada030a46 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Sat, 20 Jun 2020 15:23:23 +0200
Subject: Deprecate MomentsVertexBuffer

Not necessary and failed on some systems for some unknown reason.
---
 utility/opengl.py | 54 ------------------------------------------------------
 1 file changed, 54 deletions(-)

(limited to 'utility')

diff --git a/utility/opengl.py b/utility/opengl.py
index f305eae..456259b 100644
--- a/utility/opengl.py
+++ b/utility/opengl.py
@@ -8,60 +8,6 @@ from mako.template import Template
 from pathlib import Path
 
 from OpenGL.GL import *
-from OpenGL.arrays import vbo
-
-class MomentsVertexBuffer:
-    def __init__(self, lattice):
-        self.lattice = lattice
-
-        self.np_moments = numpy.ndarray(shape=(self.lattice.memory.volume, 4), dtype=self.lattice.memory.float_type)
-        self.gl_moments = vbo.VBO(data=self.np_moments, usage=GL_DYNAMIC_DRAW, target=GL_ARRAY_BUFFER)
-        self.gl_moments.bind()
-        self.cl_gl_moments  = cl.GLBuffer(self.lattice.context, mf.READ_WRITE, int(self.gl_moments))
-
-        self.build_kernel()
-
-    def build_kernel(self):
-        program_src = Template(filename = str(Path(__file__).parent/'../template/opengl.mako')).render(
-            descriptor = self.lattice.descriptor,
-            geometry   = self.lattice.geometry,
-            memory     = self.lattice.memory,
-
-            moments_subexpr    = self.lattice.moments[0],
-            moments_assignment = self.lattice.moments[1],
-            collide_subexpr    = self.lattice.collide[0],
-            collide_assignment = self.lattice.collide[1],
-
-            float_type = self.lattice.float_type[1],
-
-            ccode = sympy.ccode
-        )
-        self.program = cl.Program(self.lattice.context, program_src).build(self.lattice.compiler_args)
-
-    def bind(self):
-        self.gl_moments.bind()
-        glEnableClientState(GL_VERTEX_ARRAY)
-        glVertexPointer(4, GL_FLOAT, 0, self.gl_moments)
-
-    def collect(self):
-        cl.enqueue_acquire_gl_objects(self.lattice.queue, [self.cl_gl_moments])
-
-        if self.lattice.tick:
-            self.program.collect_gl_moments(
-                self.lattice.queue,
-                self.lattice.grid.size(),
-                self.lattice.layout,
-                self.lattice.memory.cl_pop_b,
-                self.lattice.memory.cl_material,
-                self.cl_gl_moments)
-        else:
-            self.program.collect_gl_moments(
-                self.lattice.queue,
-                self.lattice.grid.size(),
-                self.lattice.layout,
-                self.lattice.memory.cl_pop_a,
-                self.lattice.memory.cl_material,
-                self.cl_gl_moments)
 
 
 class MomentsTexture:
-- 
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