Fix vertex selection error from recent refactor

Temporary fix for regression in 8084b7e6e273e.

1 files changed, 5 insertions, 1 deletions

diff --git a/source/blender/gpu/intern/gpu_framebuffer.c b/source/blender/gpu/intern/gpu_framebuffer.c
index 366a1d17d69..40c1e6f59b2 100644
--- a/source/blender/gpu/intern/gpu_framebuffer.c
+++ b/source/blender/gpu/intern/gpu_framebuffer.c
@@ -683,6 +683,10 @@ static void gpu_framebuffer_read_color_ex(
 {
   GLenum type = gpu_get_gl_channel_type(channels);
   GLenum gl_format = gpu_get_gl_datatype(format);
+  /* TODO: needed for selection buffers to work properly, this should be handled better. */
+  if (type == GL_RED && gl_format == GL_UNSIGNED_INT) {
+    type = GL_RED_INTEGER;
+  }
   glReadBuffer(readfb);
   glReadPixels(x, y, w, h, type, gl_format, data);
 }
@@ -1075,4 +1079,4 @@ void GPU_frontbuffer_read_pixels(
 {
   glReadBuffer(GL_FRONT);
   gpu_framebuffer_read_color_ex(x, y, w, h, channels, GL_FRONT, format, data);
-}
\ No newline at end of file
+}