def __del__(self):
try:
GL.glDeleteBuffers(2, self.vertex_buffer)
GL.glDeleteVertexArrays(1, self.vertex_array)
GL.glBindTexture(GL.GL_TEXTURE_2D, 0)
except:
#TODO: Make sure GL objects are deleted in the correct context
pass
def view_draw(self, context, depsgraph):
profiler = cProfile.Profile()
global PROFILE
if PROFILE:
profiler.enable()
if self.request_new_frame:
self.profiling_data = io.StringIO()
# Get viewport resolution
resolution = context.region.width, context.region.height
#Save FBO for later use
fbo = GL.gl_buffer(GL.GL_INT, 1)
GL.glGetIntegerv(GL.GL_FRAMEBUFFER_BINDING, fbo)
# Generating a VAO before loading/rendering fixes an error where the viewport
# freezes in edit mode. Why ??? I have no idea. ¯\_(ツ)_/¯
# TODO: try to load meshes the normal way, without lazy VAO generation.
# (Would need a Pipeline refactor)
VAO = GL.gl_buffer(GL.GL_INT, 1)
GL.glGenVertexArrays(1, VAO)
#render
scene = self.get_scene(context, depsgraph, self.request_scene_update)
self.request_scene_update = False
render_texture = self.get_pipeline().render(
resolution, scene, False, self.request_new_frame)['COLOR']
self.request_new_frame = False
if MaltMaterial.INITIALIZED == False: #First viewport render can happen before initialization
self.request_new_frame = True
#Render to viewport
self.bind_display_space_shader(depsgraph.scene_eval)
if self.display_draw is None or self.display_draw.resolution != resolution:
self.display_draw = DisplayDraw(resolution)
self.display_draw.draw(fbo, render_texture)
self.unbind_display_space_shader()
if self.get_pipeline().needs_more_samples():
self.tag_redraw()
reset_GL_state()
GL.glDeleteVertexArrays(1, VAO)
if PROFILE:
profiler.disable()
stats = pstats.Stats(profiler, stream=self.profiling_data)
stats.strip_dirs()
stats.sort_stats(pstats.SortKey.CUMULATIVE)
stats.print_stats()
if self.get_pipeline().needs_more_samples() == False:
PROFILE = False
with open(REPORT_PATH, 'w') as file:
file.write(self.profiling_data.getvalue())
def gl_delete(self):
GL.glDeleteBuffers(2, self.vertex_buffer)
GL.glDeleteVertexArrays(1, self.vertex_array)
GL.glBindTexture(GL.GL_TEXTURE_2D, 0)