PyGPU: only use 3D shaders and rename string enums

Since rB6269d66da, creating formats no longer depends solely on the
shader, but now depends on the dimensions used to fill the VBOs.

This allows 3D shaders to work flawlessly when assigned dimensions are
2D.

So there's no real benefit to us having shaders that are limited to 2D
use anymore.

This limitation makes it difficult to implement other builtin shaders
as they indirectly require a 2D version.

So this commit removes the 2D versions of the builtin sahders used in
Python , renames the string enums but keeps the old enums working for
backward compatibility.

(This brings parts of the changes reviewed in D15836).

1 files changed, 1 insertions, 1 deletions

diff --git a/release/scripts/templates_py/operator_modal_draw.py b/release/scripts/templates_py/operator_modal_draw.py
index 20e888ad5f3..78edf874791 100644
--- a/release/scripts/templates_py/operator_modal_draw.py
+++ b/release/scripts/templates_py/operator_modal_draw.py
@@ -15,7 +15,7 @@ def draw_callback_px(self, context):
     blf.draw(font_id, "Hello Word " + str(len(self.mouse_path)))
 
     # 50% alpha, 2 pixel width line
-    shader = gpu.shader.from_builtin('2D_UNIFORM_COLOR')
+    shader = gpu.shader.from_builtin('UNIFORM_COLOR')
     gpu.state.blend_set('ALPHA')
     gpu.state.line_width_set(2.0)
     batch = batch_for_shader(shader, 'LINE_STRIP', {"pos": self.mouse_path})