data += struct.pack('3f', x, y, z + height)
data += struct.pack('3f', math.cos(a), math.sin(a), 0)
data += struct.pack('3f', r, g, b)
data += struct.pack('1f', 0)
data += struct.pack('1f', d)
idata = b''
for k in range(1000):
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.DisableBlend() GL.DisableCullFace() GL.DisableDepthTest() GL.DisableMultisample() 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()
