def paintGL(self):
context['mx'] += context['dmx']
context['my'] += context['dmy']
context['s'] += context['ds']
GL.Clear(240, 240, 240)
GL.SetUniform(context['center'], context['mx'], context['my'])
GL.SetUniform(context['scale'], 0.5**context['s'])
GL.RenderTriangleStrip(context['vao'], 4)
self.update()
def paintGL(self):
z = 0.5**context['s']
context['mx'] += context['dmx'] * z
context['my'] += context['dmy'] * z
context['s'] += context['ds']
GL.Clear(240, 240, 240)
GL.SetUniform(context['pos'], context['mx'] / z, context['my'] / z)
GL.SetUniform(context['zoom'], z)
GL.RenderTriangleStrip(context['vao'], 4)
self.update()
def paintGL(self): GL.Clear(240, 240, 240) GL.RenderTriangleStrip(context['vao'], 4)
def display():
GL.Clear(240, 240, 240)
GL.RenderTriangles(vao, 3)
glutSwapBuffers()
vao = GL.NewVertexArray(grass_prog, vbo, '3f3f3f1f1f',
['vert', 'direction', 'color', 'thickness', 'power'],
ibo)
ssao_vbo = GL.NewVertexBuffer(
struct.pack('8f', 0.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0))
ssao_vao = GL.NewVertexArray(ssao_prog, ssao_vbo, '2f', ['vert'])
ubo = GL.NewUniformBuffer(b''.join(struct.pack('2f', x, y) for x, y in kernel))
fbo, color, depth = GL.NewFramebuffer()
GL.SetUniform(grass_prog['mat'], struct.pack('16f', *camera))
GL.SetUniform(ssao_prog['texture'], 0)
GL.SetUniform(ssao_prog['depth'], 1)
GL.UseUniformBuffer(ubo, ssao_prog['Kernel'])
while WND.Update():
GL.UseFramebuffer(fbo)
GL.EnableDepthTest()
GL.Clear(0, 0, 0)
GL.RenderTriangleStrip(vao, 1000 * 8)
GL.UseFramebuffer(GL.SCREEN)
GL.DisableDepthTest()
GL.UseTexture(color, 0)
GL.UseTexture(depth, 1)
GL.RenderTriangleStrip(ssao_vao, 4)
def on_draw(): GL.Clear(240, 240, 240) GL.SetUniform(prog['rotation'], elapsed) GL.RenderTriangles(vao, 3)
def paintGL(self):
GL.Clear(240, 240, 240)
GL.EnableOnly(GL.ENABLE_BLEND + GL.ENABLE_MULTISAMPLE)
GL.SetUniform(context['rotation'], time.time() - context['start'])
GL.RenderTriangles(context['vao'], 3, instances=10)
self.update()
def paintGL(self): GL.Clear(240, 240, 240) if 'vao' in context: GL.RenderTriangles(context['vao'], 3)
def paintGL(self):
GL.Clear(240, 240, 240)
GL.SetUniform(context['rotation'], time.time() - context['start'])
GL.RenderTriangles(context['vao'], 3)
self.update()
def on_draw():
GL.Clear(240, 240, 240)
GL.RenderTriangles(vao, 3)
nodes = [GL.NewFramebuffer(256, 256) for i in range(6)]
enables = [
GL.ENABLE_BLEND,
GL.ENABLE_CULL_FACE,
GL.ENABLE_DEPTH_TEST,
GL.ENABLE_BLEND + GL.ENABLE_DEPTH_TEST,
GL.ENABLE_CULL_FACE + GL.ENABLE_BLEND,
GL.ENABLE_BLEND + GL.ENABLE_DEPTH_TEST + GL.ENABLE_CULL_FACE,
]
GL.Viewport(0, 0, 256, 256)
for i, (fbo, color, depth) in enumerate(nodes):
GL.UseFramebuffer(fbo)
GL.Clear(*bg[i])
GL.EnableOnly(enables[i])
GL.RenderTriangles(vao, 18)
for i, (fbo, color, depth) in enumerate(nodes):
GL.UpdateTexture(color, i * 8 + 8, 8, 8, 8, b'\x00' * 256)
GL.UpdateTexture(color, i * 8 + 8, 24, 8, 8, b'\xff' * 256)
for i, (fbo, color, depth) in enumerate(nodes):
GL.UseFramebuffer(fbo)
Image.frombytes('RGB', (256, 256), GL.ReadPixels(0, 0, 256, 256, 3)).save('TestResults/c_%d.png' % i)
pixels = b''.join(struct.pack('B', int(c * 255)) for c in struct.unpack('65536f', GL.ReadDepthPixels(0, 0, 256, 256)))
Image.frombytes('L', (256, 256), pixels).save('TestResults/d_%d.png' % i)
exit()
def on_draw():
GL.Clear(240, 240, 240)
GL.SetUniform(prog['rotation'], time.time() - start)
GL.RenderTriangles(vao, 3)
def display():
GL.Clear(240, 240, 240)
GL.EnableOnly(GL.ENABLE_BLEND + GL.ENABLE_MULTISAMPLE)
GL.SetUniform(prog['rotation'], time.time() - start)
GL.RenderTriangles(vao, 3, instances=10)
glutSwapBuffers()
def draw(self, *args):
GL.Clear(240, 240, 240)
GL.RenderTriangles(self.vao, 3)
def display(): GL.Clear(240, 240, 240) GL.SetUniform(prog['rotation'], time.time() - start) GL.RenderTriangles(vao, 3) glutSwapBuffers()
triangle = [
0.0, 0.8, # A
-0.6, -0.8, # B
0.6, -0.8 # C
]
# We have to pack the floats
packed_triangle = struct.pack('6f', *triangle)
# Now lets create a vertex buffer "containing" our triangle
vbo = GL.NewVertexBuffer(packed_triangle)
# Now we will create a VertexArray and specify what vertex attributes will be used during the rendering
# The first parameter is a program object used for rendering
# The second parameter is a VertexBuffer holding information about the triangle
# The third parameter is the format of a single vertex
# Now we only define the position as 2 float x and y coordinate
# Later we can define color normals or any other data used in the vertex shader.
# The fourth parameter must be a list containing a vertex attribute name in the vertex shader
vao = GL.NewVertexArray(prog, vbo, '2f', ['vert'])
while WND.Update():
GL.Clear(240, 240, 240)
# Render a triangle using 3 vertices (remember we have 6 floats 3 * 2f)
# RenderTriangles will use the program assigned to vao
# By default the specified attribues are enabled (for now we have a single "vert" attribute)
GL.RenderTriangles(vao, 3)
def on_draw():
GL.Clear(240, 240, 240)
GL.EnableOnly(GL.ENABLE_BLEND + GL.ENABLE_MULTISAMPLE)
GL.SetUniform(prog['rotation'], elapsed)
GL.RenderTriangles(vao, 3, instances=10)
