idata += struct.pack(
'%di' % (step + 3),
*([k * (step + 2) + i for i in range(step + 2)] + [-1]))
vbo = GL.NewVertexBuffer(data)
ibo = GL.NewIndexBuffer(idata)
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)
circles_prog = GL.NewProgram([circles_vert, circles_frag])
GL.SetUniform(circles_prog['scale'], 0.002 * height / width, 0.002)
circle_vbo = GL.NewVertexBuffer(b''.join(struct.pack('2f', cos(i * 2 * pi / 128), sin(i * 2 * pi / 128)) for i in range(128)))
circle_vao = GL.NewVertexArray(circles_prog, circle_vbo, '2f', ['vert'])
circles = [
(-400, -200, 100),
(-250, -350, 100),
(0, -300, 100),
(250, -350, 100),
(400, -200, 100),
]
circles_ubo = GL.NewUniformBuffer(struct.pack('i4x', len(circles)) + b''.join(struct.pack('2f1f4x', *c) for c in circles))
GL.UseUniformBuffer(circles_ubo, circles_prog['Circles'])
particles_prog = GL.NewProgram([particles_vert, particles_frag])
GL.SetUniform(particles_prog['scale'], 0.002 * height / width, 0.002)
particle_vbo = GL.NewVertexBuffer(b''.join(struct.pack('2f', cos(i * 2 * pi / 16), sin(i * 2 * pi / 16)) for i in range(16)))
particle_vao = GL.NewVertexArray(particles_prog, particle_vbo, '2f', ['vert'])
sbo = GL.NewStorageBuffer(b''.join(struct.pack('ffffff', -10000, 0, -10000, 0, 0, 0) for i in range(10240)))
GL.UseUniformBuffer(circles_ubo, circles_prog['Circles'])
GL.UseStorageBuffer(sbo)
k = 0
while WND.Update():
GL.EnableBlend() GL.EnableCullFace() GL.EnableDepthTest() GL.EnableMultisample() GL.NewAdvancedVertexArray() GL.NewFragmentShader() GL.NewFramebuffer() GL.NewGeometryShader() GL.NewIndexBuffer() GL.NewProgram() GL.NewTessControlShader() GL.NewTessEvaluationShader() GL.NewTexture() GL.NewUniformBuffer() GL.NewVertexArray() GL.NewVertexBuffer() GL.NewVertexShader() GL.ReadPixel() GL.ReadPixels() GL.ReadDepthPixel() GL.ReadDepthPixels() GL.ReadStorageBuffer() GL.RenderLineLoop() GL.RenderLineStrip() GL.RenderLines()
