def on_paint(self, event):
w,h = W, H
scale = 1
aakernel = None
if self._technique == 'ssaa':
scale = 3 # Make this 2, 3, 4 ... for 4x, 9x, 16x aa
w, h = W*scale, H*scale
# Set up FBO
fb = FrameBuffer(w, h)
tex = RenderTexture(2)
tex.create_empty_texture(w, h) # Must match depth buffer!
fb.attach_texture(tex)
fb.add_depth_buffer()
fb.check()
# Draw scene off-screen
fb.enable()
gl.glClearColor(1,1,1,1);
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, w, h)
if self._preaa:
render_scene(True, scale)
else:
render_scene(False, scale)
fb.disable()
# Pergorm aa
if self._technique == 'ssaa':
self._pass_ssaa(tex, w, h, scale)
elif self._technique == 'smaa':
self._pass_smaa(tex)
else:
self._pass_aa(tex)
# Draw original to screen too
self.setup_scene(W, 0, W, H)
render_scene()
# And original but smoothed
self.setup_scene(2*W, 0, W, H)
render_scene(smooth=True)
# Now blit texture to backbuffer
self._backend._vispy_swap_buffers() # todo: private attr!
def on_paint(self, event):
w, h = W, H
scale = 1
aakernel = None
if self._technique == 'ssaa':
scale = 3 # Make this 2, 3, 4 ... for 4x, 9x, 16x aa
w, h = W * scale, H * scale
# Set up FBO
fb = FrameBuffer(w, h)
tex = RenderTexture(2)
tex.create_empty_texture(w, h) # Must match depth buffer!
fb.attach_texture(tex)
fb.add_depth_buffer()
fb.check()
# Draw scene off-screen
fb.enable()
gl.glClearColor(1, 1, 1, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, w, h)
if self._preaa:
render_scene(True, scale)
else:
render_scene(False, scale)
fb.disable()
# Pergorm aa
if self._technique == 'ssaa':
self._pass_ssaa(tex, w, h, scale)
elif self._technique == 'smaa':
self._pass_smaa(tex)
else:
self._pass_aa(tex)
# Draw original to screen too
self.setup_scene(W, 0, W, H)
render_scene()
# And original but smoothed
self.setup_scene(2 * W, 0, W, H)
render_scene(smooth=True)
# Now blit texture to backbuffer
self._backend._vispy_swap_buffers() # todo: private attr!
def paintGL(self):
# self._paint()
# return
W, H = self.width(), self.height()
# Set up FBO
fb = FrameBuffer(W, H)
tex = RenderTexture(2)
tex.create_empty_texture(W, H) # Must match depth buffer!
fb.attach_texture(tex)
fb.add_depth_buffer()
fb.check()
# Draw scene to off-screen buffer
fb.enable()
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self._setup_scene(0,0,W,H)
self._paint()
fb.disable()
# Draw texture to screen
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self._setup_scene(0,0,W,H)
tex.Enable(0)
self._aaShader.bind()
#shader.uniformi('texture', tex._texId)
self._aaShader.uniformf('shape', W, H)
self._aaShader.uniformi('texture', 0)
gl.glBegin(gl.GL_QUADS)
gl.glTexCoord(0,0); gl.glVertex(0,0);
gl.glTexCoord(0,1); gl.glVertex(0,1);
gl.glTexCoord(1,1); gl.glVertex(1,1);
gl.glTexCoord(1,0); gl.glVertex(1,0);
gl.glEnd()
self._aaShader.unbind()
tex.Disable()
def on_paint(self, event):
w,h = W, H
scale = 1
aakernel = None
if self._technique == 'ssaa':
scale = 3 # Make this 2, 3, 4 ... for 4x, 9x, 16x aa
w, h = W*scale, H*scale
# Set up FBO
if hasattr(self, '_fb'):
fb = self._fb
tex = self._tex
else:
fb = FrameBuffer(w, h)
tex = RenderTexture(2)
tex.create_empty_texture(w, h) # Must match depth buffer!
fb.attach_texture(tex)
fb.add_depth_buffer()
fb.check()
#
self._fb = fb
self._tex = tex
# Draw scene off-screen
fb.enable()
gl.glClearColor(1,1,1,1);
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, w, h)
if self._preaa:
self._draw_stars(True, scale)
else:
self._draw_stars(False, scale)
fb.disable()
# Pergorm aa
if self._raw:
# Prepare for drawing texture to screen
gl.glClearColor(1,1,1,1);
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, W, H)
tex.Enable(0)
# Draw texture to screen
gl.glBegin(gl.GL_QUADS)
gl.glTexCoord(0,0); gl.glVertex(0,0);
gl.glTexCoord(0,1); gl.glVertex(0,1);
gl.glTexCoord(1,1); gl.glVertex(1,1);
gl.glTexCoord(1,0); gl.glVertex(1,0);
gl.glEnd()
tex.Disable()
elif self._technique == 'ssaa':
self._pass_ssaa(tex, w, h, scale)
elif self._technique == 'smaa':
self._pass_smaa(tex)
else:
self._pass_aa(tex)
# Now blit texture to backbuffer
self._backend._vispy_swap_buffers()
# Prepare for next round
self._a += 0.005
self.update()
def _pass_smaa(self, tex):
# Get precomputed textures
from smaa_tex import getSearchTex, getAreaTex
searchTex = RenderTexture(2)
searchTex.SetData(getSearchTex())
areaTex = RenderTexture(2)
areaTex._interpolate = True # Enforce GL_LINEAR
areaTex.SetData(getAreaTex())
# Compose shader code
bigOne = self._shader_code[-1]
edgeVertex = bigOne + self._shader_code[0]
edgeFragment = bigOne + self._shader_code[1]
blendVertex = bigOne + self._shader_code[2]
blendFragment = bigOne + self._shader_code[3]
neighborhoodVertex = bigOne + self._shader_code[4]
neighborhoodFragment = bigOne + self._shader_code[5]
if True: # Pass 1
fb = fb_edges = FrameBuffer(W, H)
edgesTex = RenderTexture(2)
edgesTex.create_empty_texture(W, H) # Must match depth buffer!
fb.attach_texture(edgesTex)
fb.add_depth_buffer()
#
fb.enable()
gl.glClearColor(1,1,1,1);
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, W, H); gl.glDisable(gl.GL_BLEND)
#
shader = Shader(edgeVertex, edgeFragment)
shader.bind()
tex.Enable(0)
shader.uniformi('texture', 0)
gl.glBegin(gl.GL_QUADS)
gl.glTexCoord(0,0); gl.glVertex(0,0);
gl.glTexCoord(0,1); gl.glVertex(0,1);
gl.glTexCoord(1,1); gl.glVertex(1,1);
gl.glTexCoord(1,0); gl.glVertex(1,0);
gl.glEnd()
fb.disable()
tex.Disable()
shader.unbind()
if True: # Pass 2
fb = FrameBuffer(W, H)
blendTex = RenderTexture(2)
blendTex.create_empty_texture(W, H) # Must match depth buffer!
fb.attach_texture(blendTex)
fb.add_depth_buffer()
#
fb.enable()
gl.glClearColor(1,1,1,1);
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, W, H); gl.glDisable(gl.GL_BLEND)
#
shader = Shader(blendVertex, blendFragment)
shader.bind()
edgesTex.Enable(0)
areaTex.Enable(1)
searchTex.Enable(2)
shader.uniformi('edge_tex', 0)
shader.uniformi('area_tex', 1)
shader.uniformi('search_tex', 2)
#
gl.glBegin(gl.GL_QUADS)
gl.glTexCoord(0,0); gl.glVertex(0,0);
gl.glTexCoord(0,1); gl.glVertex(0,1);
gl.glTexCoord(1,1); gl.glVertex(1,1);
gl.glTexCoord(1,0); gl.glVertex(1,0);
gl.glEnd()
fb.disable()
edgesTex.Disable()
areaTex.Disable()
searchTex.Disable()
shader.unbind()
if True: # Pass 3
gl.glClearColor(1,1,1,1);
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, W, H); gl.glDisable(gl.GL_BLEND)
#
shader = Shader(neighborhoodVertex, neighborhoodFragment)
shader.bind()
tex.Enable(0)
blendTex.Enable(1)
shader.uniformi('texture', 0)
shader.uniformi('blend_tex', 1)
#
gl.glBegin(gl.GL_QUADS)
gl.glTexCoord(0,0); gl.glVertex(0,0);
gl.glTexCoord(0,1); gl.glVertex(0,1);
gl.glTexCoord(1,1); gl.glVertex(1,1);
gl.glTexCoord(1,0); gl.glVertex(1,0);
gl.glEnd()
tex.Disable()
blendTex.Disable()
shader.unbind()
def _pass_aa(self, tex):
if self._npasses == 1:
# Prepare for drawing texture to screen
gl.glClearColor(1,1,1,1);
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, W, H)
tex.Enable(0)
shader = Shader(None, self._shader_code[0])
shader.bind()
shader.uniformf('shape', W, H)
shader.uniformi('texture', 0)
# Draw texture to screen
gl.glBegin(gl.GL_QUADS)
gl.glTexCoord(0,0); gl.glVertex(0,0);
gl.glTexCoord(0,1); gl.glVertex(0,1);
gl.glTexCoord(1,1); gl.glVertex(1,1);
gl.glTexCoord(1,0); gl.glVertex(1,0);
gl.glEnd()
shader.unbind()
tex.Disable()
return
# We get here only if npasses != 1
for i in range(self._npasses):
# Create frame buffer to render to
fb = fb_edges = FrameBuffer(W, H)
resultTex = RenderTexture(2)
resultTex.create_empty_texture(W, H) # Must match depth buffer!
fb.attach_texture(resultTex)
fb.add_depth_buffer()
fb.enable()
# Prepare for drawing texture to screen
gl.glClearColor(1,1,1,1);
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, W, H)
tex.Enable(0)
shader = Shader(None, self._shader_code[0])
shader.bind()
shader.uniformf('shape', W, H)
shader.uniformi('texture', 0)
# Draw texture to screen
gl.glBegin(gl.GL_QUADS)
gl.glTexCoord(0,0); gl.glVertex(0,0);
gl.glTexCoord(0,1); gl.glVertex(0,1);
gl.glTexCoord(1,1); gl.glVertex(1,1);
gl.glTexCoord(1,0); gl.glVertex(1,0);
gl.glEnd()
shader.unbind()
tex.Disable()
fb.disable()
# Prepare for next round
tex = resultTex
# Prepare for drawing texture to screen
gl.glClearColor(1,1,1,1);
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, W, H)
tex.Enable(0)
# Draw texture to screen
gl.glBegin(gl.GL_QUADS)
gl.glTexCoord(0,0); gl.glVertex(0,0);
gl.glTexCoord(0,1); gl.glVertex(0,1);
gl.glTexCoord(1,1); gl.glVertex(1,1);
gl.glTexCoord(1,0); gl.glVertex(1,0);
gl.glEnd()
tex.Disable()
def on_paint(self, event):
w, h = W, H
scale = 1
aakernel = None
if self._technique == 'ssaa':
scale = 3 # Make this 2, 3, 4 ... for 4x, 9x, 16x aa
w, h = W * scale, H * scale
# Set up FBO
if hasattr(self, '_fb'):
fb = self._fb
tex = self._tex
else:
fb = FrameBuffer(w, h)
tex = RenderTexture(2)
tex.create_empty_texture(w, h) # Must match depth buffer!
fb.attach_texture(tex)
fb.add_depth_buffer()
fb.check()
#
self._fb = fb
self._tex = tex
# Draw scene off-screen
fb.enable()
gl.glClearColor(1, 1, 1, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, w, h)
if self._preaa:
self._draw_stars(True, scale)
else:
self._draw_stars(False, scale)
fb.disable()
# Pergorm aa
if self._raw:
# Prepare for drawing texture to screen
gl.glClearColor(1, 1, 1, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, W, H)
tex.Enable(0)
# Draw texture to screen
gl.glBegin(gl.GL_QUADS)
gl.glTexCoord(0, 0)
gl.glVertex(0, 0)
gl.glTexCoord(0, 1)
gl.glVertex(0, 1)
gl.glTexCoord(1, 1)
gl.glVertex(1, 1)
gl.glTexCoord(1, 0)
gl.glVertex(1, 0)
gl.glEnd()
tex.Disable()
elif self._technique == 'ssaa':
self._pass_ssaa(tex, w, h, scale)
elif self._technique == 'smaa':
self._pass_smaa(tex)
else:
self._pass_aa(tex)
# Now blit texture to backbuffer
self._backend._vispy_swap_buffers()
# Prepare for next round
self._a += 0.005
self.update()
def _pass_smaa(self, tex):
# Get precomputed textures
from smaa_tex import getSearchTex, getAreaTex
searchTex = RenderTexture(2)
searchTex.SetData(getSearchTex())
areaTex = RenderTexture(2)
areaTex._interpolate = True # Enforce GL_LINEAR
areaTex.SetData(getAreaTex())
# Compose shader code
bigOne = self._shader_code[-1]
edgeVertex = bigOne + self._shader_code[0]
edgeFragment = bigOne + self._shader_code[1]
blendVertex = bigOne + self._shader_code[2]
blendFragment = bigOne + self._shader_code[3]
neighborhoodVertex = bigOne + self._shader_code[4]
neighborhoodFragment = bigOne + self._shader_code[5]
if True: # Pass 1
fb = fb_edges = FrameBuffer(W, H)
edgesTex = RenderTexture(2)
edgesTex.create_empty_texture(W, H) # Must match depth buffer!
fb.attach_texture(edgesTex)
fb.add_depth_buffer()
#
fb.enable()
gl.glClearColor(1, 1, 1, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, W, H)
gl.glDisable(gl.GL_BLEND)
#
shader = Shader(edgeVertex, edgeFragment)
shader.bind()
tex.Enable(0)
shader.uniformi('texture', 0)
gl.glBegin(gl.GL_QUADS)
gl.glTexCoord(0, 0)
gl.glVertex(0, 0)
gl.glTexCoord(0, 1)
gl.glVertex(0, 1)
gl.glTexCoord(1, 1)
gl.glVertex(1, 1)
gl.glTexCoord(1, 0)
gl.glVertex(1, 0)
gl.glEnd()
fb.disable()
tex.Disable()
shader.unbind()
if True: # Pass 2
fb = FrameBuffer(W, H)
blendTex = RenderTexture(2)
blendTex.create_empty_texture(W, H) # Must match depth buffer!
fb.attach_texture(blendTex)
fb.add_depth_buffer()
#
fb.enable()
gl.glClearColor(1, 1, 1, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, W, H)
gl.glDisable(gl.GL_BLEND)
#
shader = Shader(blendVertex, blendFragment)
shader.bind()
edgesTex.Enable(0)
areaTex.Enable(1)
searchTex.Enable(2)
shader.uniformi('edge_tex', 0)
shader.uniformi('area_tex', 1)
shader.uniformi('search_tex', 2)
#
gl.glBegin(gl.GL_QUADS)
gl.glTexCoord(0, 0)
gl.glVertex(0, 0)
gl.glTexCoord(0, 1)
gl.glVertex(0, 1)
gl.glTexCoord(1, 1)
gl.glVertex(1, 1)
gl.glTexCoord(1, 0)
gl.glVertex(1, 0)
gl.glEnd()
fb.disable()
edgesTex.Disable()
areaTex.Disable()
searchTex.Disable()
shader.unbind()
if True: # Pass 3
gl.glClearColor(1, 1, 1, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, W, H)
gl.glDisable(gl.GL_BLEND)
#
shader = Shader(neighborhoodVertex, neighborhoodFragment)
shader.bind()
tex.Enable(0)
blendTex.Enable(1)
shader.uniformi('texture', 0)
shader.uniformi('blend_tex', 1)
#
gl.glBegin(gl.GL_QUADS)
gl.glTexCoord(0, 0)
gl.glVertex(0, 0)
gl.glTexCoord(0, 1)
gl.glVertex(0, 1)
gl.glTexCoord(1, 1)
gl.glVertex(1, 1)
gl.glTexCoord(1, 0)
gl.glVertex(1, 0)
gl.glEnd()
tex.Disable()
blendTex.Disable()
shader.unbind()
def _pass_aa(self, tex):
if self._npasses == 1:
# Prepare for drawing texture to screen
gl.glClearColor(1, 1, 1, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, W, H)
tex.Enable(0)
shader = Shader(None, self._shader_code[0])
shader.bind()
shader.uniformf('shape', W, H)
shader.uniformi('texture', 0)
# Draw texture to screen
gl.glBegin(gl.GL_QUADS)
gl.glTexCoord(0, 0)
gl.glVertex(0, 0)
gl.glTexCoord(0, 1)
gl.glVertex(0, 1)
gl.glTexCoord(1, 1)
gl.glVertex(1, 1)
gl.glTexCoord(1, 0)
gl.glVertex(1, 0)
gl.glEnd()
shader.unbind()
tex.Disable()
return
# We get here only if npasses != 1
for i in range(self._npasses):
# Create frame buffer to render to
fb = fb_edges = FrameBuffer(W, H)
resultTex = RenderTexture(2)
resultTex.create_empty_texture(W, H) # Must match depth buffer!
fb.attach_texture(resultTex)
fb.add_depth_buffer()
fb.enable()
# Prepare for drawing texture to screen
gl.glClearColor(1, 1, 1, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, W, H)
tex.Enable(0)
shader = Shader(None, self._shader_code[0])
shader.bind()
shader.uniformf('shape', W, H)
shader.uniformi('texture', 0)
# Draw texture to screen
gl.glBegin(gl.GL_QUADS)
gl.glTexCoord(0, 0)
gl.glVertex(0, 0)
gl.glTexCoord(0, 1)
gl.glVertex(0, 1)
gl.glTexCoord(1, 1)
gl.glVertex(1, 1)
gl.glTexCoord(1, 0)
gl.glVertex(1, 0)
gl.glEnd()
shader.unbind()
tex.Disable()
fb.disable()
# Prepare for next round
tex = resultTex
# Prepare for drawing texture to screen
gl.glClearColor(1, 1, 1, 1)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
self.setup_scene(0, 0, W, H)
tex.Enable(0)
# Draw texture to screen
gl.glBegin(gl.GL_QUADS)
gl.glTexCoord(0, 0)
gl.glVertex(0, 0)
gl.glTexCoord(0, 1)
gl.glVertex(0, 1)
gl.glTexCoord(1, 1)
gl.glVertex(1, 1)
gl.glTexCoord(1, 0)
gl.glVertex(1, 0)
gl.glEnd()
tex.Disable()
