blender/doc/python_api/examples/gpu.7.py
2018-11-07 16:14:11 +01:00

31 lines
752 B
Python

"""
2D Image
--------
To use this example you have to provide an image that should be displayed.
"""
import bpy
import gpu
import bgl
from gpu_extras.batch import batch_for_shader
IMAGE_NAME = "Untitled"
image = bpy.data.images[IMAGE_NAME]
shader = gpu.shader.from_builtin('2D_IMAGE')
batch = batch_for_shader(shader, 'TRI_FAN',
{"pos" : ((100, 100), (200, 100), (200, 200), (100, 200)),
"texCoord" : ((0, 0), (1, 0), (1, 1), (0, 1))})
if image.gl_load():
raise Exception()
def draw():
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, image.bindcode)
shader.bind()
shader.uniform_int("image", 0)
batch.draw(shader)
bpy.types.SpaceView3D.draw_handler_add(draw, (), 'WINDOW', 'POST_PIXEL')