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

---
 trugfeuer_2d_gl_interop.py | 21 +++++++++------------
 1 file changed, 9 insertions(+), 12 deletions(-)

(limited to 'trugfeuer_2d_gl_interop.py')

diff --git a/trugfeuer_2d_gl_interop.py b/trugfeuer_2d_gl_interop.py
index 6d66efa..969fe4f 100644
--- a/trugfeuer_2d_gl_interop.py
+++ b/trugfeuer_2d_gl_interop.py
@@ -2,6 +2,7 @@ import numpy
 from string import Template
 
 from simulation         import Lattice, Geometry
+from utility.opengl     import MomentsVertexBuffer
 from utility.particles  import Particles
 from symbolic.generator import LBM
 
@@ -174,10 +175,11 @@ lattice.apply_material_map(
     get_channel_material_map(lattice.geometry))
 lattice.sync_material()
 
+moments_vbo = MomentsVertexBuffer(lattice)
+
 particles = Particles(
-    lattice.context,
-    lattice.queue,
-    lattice.memory.float_type,
+    lattice,
+    moments_vbo,
     numpy.mgrid[
         4*lattice.geometry.size_x//9:5*lattice.geometry.size_x//9:particle_count/100j,
         lattice.geometry.size_y//20:2*lattice.geometry.size_y//20:100j,
@@ -187,30 +189,25 @@ 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()
 
     glClear(GL_COLOR_BUFFER_BIT)
-    glEnableClientState(GL_VERTEX_ARRAY)
-
-    lattice.memory.gl_moments.bind()
 
     shaders.glUseProgram(moment_program)
     glUniformMatrix4fv(projection_id, 1, False, numpy.ascontiguousarray(projection))
-    glVertexPointer(4, GL_FLOAT, 0, lattice.memory.gl_moments)
+    moments_vbo.bind()
     glPointSize(point_size)
     glDisable(GL_POINT_SMOOTH)
     glDrawArrays(GL_POINTS, 0, lattice.geometry.volume)
 
-    particles.gl_particles.bind()
-
     shaders.glUseProgram(particle_program)
     glUniformMatrix4fv(projection_id, 1, False, numpy.ascontiguousarray(projection))
-    glVertexPointer(4, GL_FLOAT, 0, particles.gl_particles)
+    particles.bind()
     glPointSize(point_size)
     glEnable(GL_POINT_SMOOTH)
     glDrawArrays(GL_POINTS, 0, particles.count)
-- 
cgit v1.2.3