OpenGL: use PRIM instead of GL enum for immBegin

Getting ready for a Gawain API change...

Part of T49043

3 files changed, 3 insertions, 3 deletions

diff --git a/source/blender/editors/animation/anim_channels_defines.c b/source/blender/editors/animation/anim_channels_defines.c
index 17bca28cba7..0ebd556a0f5 100644
--- a/source/blender/editors/animation/anim_channels_defines.c
+++ b/source/blender/editors/animation/anim_channels_defines.c
@@ -3927,7 +3927,7 @@ void ANIM_channel_draw(bAnimContext *ac, bAnimListElem *ale, float yminc, float
 
 			glLineWidth(2.0f);
 
-			immBegin(GL_LINES, 2);
+			immBegin(PRIM_LINES, 2);
 			immVertex2f(pos, (float)offset, yminc);
 			immVertex2f(pos, (float)v2d->cur.xmax, yminc);
 			immEnd();
diff --git a/source/blender/editors/animation/anim_draw.c b/source/blender/editors/animation/anim_draw.c
index 398bb225fbf..a2ad5c582d5 100644
--- a/source/blender/editors/animation/anim_draw.c
+++ b/source/blender/editors/animation/anim_draw.c
@@ -136,7 +136,7 @@ void ANIM_draw_cfra(const bContext *C, View2D *v2d, short flag)
 	/* Draw a light green line to indicate current frame */
 	immUniformThemeColor(TH_CFRAME);
 
-	immBegin(GL_LINES, 2);
+	immBegin(PRIM_LINES, 2);
 	immVertex2f(pos, x, v2d->cur.ymin - 500.0f); /* XXX arbitrary... want it go to bottom */
 	immVertex2f(pos, x, v2d->cur.ymax);
 	immEnd();
diff --git a/source/blender/editors/animation/anim_markers.c b/source/blender/editors/animation/anim_markers.c
index 6f61ce3cf25..e78752a557c 100644
--- a/source/blender/editors/animation/anim_markers.c
+++ b/source/blender/editors/animation/anim_markers.c
@@ -361,7 +361,7 @@ static void draw_marker(
 			immUniformColor4ub(0, 0, 0, 96);
 		}
 
-		immBegin(GL_LINES, 2);
+		immBegin(PRIM_LINES, 2);
 		immVertex2f(pos, xpos + 0.5f, 12.0f);
 		immVertex2f(pos, xpos + 0.5f, (v2d->cur.ymax + 12.0f) * yscale);
 		immEnd();