UI: Fix point size and line width ignoring UI scaling option

source/blender/editors/space_view3d/view3d_gizmo_ruler.c

@@ -519,7 +519,7 @@ static void gizmo_ruler_draw(const bContext *C, wmGizmo *gz)
 
 	/* anti-aliased lines for more consistent appearance */
 	GPU_line_smooth(true);
-	GPU_line_width(1.0f * U.pixelsize);
+	GPU_line_width(1.0f);
 
 	BLF_enable(blf_mono_font, BLF_ROTATION);
 	BLF_size(blf_mono_font, 14 * U.pixelsize, U.dpi);

source/blender/editors/space_view3d/view3d_ruler.c

@@ -432,7 +432,7 @@ static void ruler_info_draw_pixel(const struct bContext *C, ARegion *ar, void *a
 
 	/* anti-aliased lines for more consistent appearance */
 	GPU_line_smooth(true);
-	GPU_line_width(1.0f * U.pixelsize);
+	GPU_line_width(1.0f);
 
 	BLF_enable(blf_mono_font, BLF_ROTATION);
 	BLF_size(blf_mono_font, 14 * U.pixelsize, U.dpi);

source/blender/editors/util/ed_util.c

@@ -347,7 +347,7 @@ void ED_region_draw_mouse_line_cb(const bContext *C, ARegion *ar, void *arg_info
 
 	const uint shdr_pos = GPU_vertformat_attr_add(immVertexFormat(), "pos", GPU_COMP_F32, 2, GPU_FETCH_FLOAT);
 
-	GPU_line_width(1.0f * U.pixelsize);
+	GPU_line_width(1.0f);
 
 	immBindBuiltinProgram(GPU_SHADER_2D_LINE_DASHED_UNIFORM_COLOR);
 

source/blender/gpu/intern/gpu_state.c

@@ -25,6 +25,8 @@
  *
  */
 
+#include "DNA_userdef_types.h"
+
 #include "GPU_glew.h"
 #include "GPU_state.h"
 
@@ -110,12 +112,12 @@ void GPU_line_stipple(bool enable)
 
 void GPU_line_width(float width)
 {
-	glLineWidth(width);
+	glLineWidth(width * U.pixelsize);
 }
 
 void GPU_point_size(float size)
 {
-	glPointSize(size);
+	glPointSize(size * U.pixelsize);
 }
 
 void GPU_polygon_smooth(bool enable)