From b770e7452c11cf0acdccf824c9c9304e9de3f08b Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Sat, 21 Sep 2019 18:19:22 +0200
Subject: Extract GL moments, particle buffers and add texture buffer

---
 channel_3d_gl_interop.py | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

(limited to 'channel_3d_gl_interop.py')

diff --git a/channel_3d_gl_interop.py b/channel_3d_gl_interop.py
index a9633c4..e509e45 100644
--- a/channel_3d_gl_interop.py
+++ b/channel_3d_gl_interop.py
@@ -3,6 +3,7 @@ from string import Template
 
 from simulation         import Lattice, Geometry
 from utility.particles  import Particles
+from utility.opengl     import MomentsVertexBuffer
 from symbolic.generator import LBM
 
 import symbolic.D3Q27 as D3Q27
@@ -238,10 +239,11 @@ primitives   = list(map(lambda material: material[0], filter(lambda material: no
 lattice.apply_material_map(material_map)
 lattice.sync_material()
 
+moments_vbo = MomentsVertexBuffer(lattice)
+
 particles = Particles(
-    lattice.context,
-    lattice.queue,
-    lattice.memory.float_type,
+    lattice,
+    moments_vbo,
     numpy.mgrid[
         2*lattice.geometry.size_x//100:4*lattice.geometry.size_x//100:particle_count/10000j,
         lattice.geometry.size_y//16:15*lattice.geometry.size_y//16:100j,
@@ -256,10 +258,10 @@ def on_display():
     for i in range(0,updates_per_frame):
         lattice.evolve()
 
-    lattice.collect_gl_moments()
+    moments_vbo.collect()
 
     for i in range(0,updates_per_frame):
-        lattice.update_gl_particles(particles, aging = True)
+        particles.update(aging = True)
 
     lattice.sync()
 
@@ -268,13 +270,10 @@ def on_display():
     glEnable(GL_DEPTH_TEST)
     glDepthFunc(GL_LESS)
 
-    glEnableClientState(GL_VERTEX_ARRAY)
-    particles.gl_particles.bind()
-
     shaders.glUseProgram(particle_program)
     glUniformMatrix4fv(projection_id, 1, False, numpy.ascontiguousarray(projection))
     glUniformMatrix4fv(rotation_id, 1, False, numpy.ascontiguousarray(rotation.get()))
-    glVertexPointer(4, GL_FLOAT, 0, particles.gl_particles)
+    particles.bind()
     glEnable(GL_POINT_SMOOTH)
     glPointSize(point_size)
     glDrawArrays(GL_POINTS, 0, particles.count)
-- 
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