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"""
2D Image
--------
"""
import bpy
import gpu
import bgl
from gpu_extras.batch import batch_for_shader
IMAGE_NAME = "Untitled"
image = bpy.data.images[IMAGE_NAME]
coords = [
(100, 100), (200, 100),
(100, 200), (200, 200)]
uvs = [(0, 0), (1, 0), (0, 1), (1, 1)]
indices = [(0, 1, 2), (2, 1, 3)]
shader = gpu.shader.from_builtin('2D_IMAGE')
batch = batch_for_shader(shader, 'TRIS',
{"pos" : coords,
"texCoord" : uvs},
indices=indices)
# send image to gpu if it isn't there already
if image.gl_load():
raise Exception()
# texture identifier on gpu
texture_id = image.bindcode
def draw():
# in case someone disabled it before
bgl.glEnable(bgl.GL_TEXTURE_2D)
# bind texture to image unit 0
bgl.glActiveTexture(bgl.GL_TEXTURE0)
bgl.glBindTexture(bgl.GL_TEXTURE_2D, texture_id)
shader.bind()
# tell shader to use the image that is bound to image unit 0
shader.uniform_int("image", 0)
batch.draw(shader)
bgl.glDisable(bgl.GL_TEXTURE_2D)
bpy.types.SpaceView3D.draw_handler_add(draw, (), 'WINDOW', 'POST_PIXEL')
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