GL: Add error checking function

This is to ease the debugging process on Apple GL implementation.

1 files changed, 4 insertions, 0 deletions

diff --git a/source/blender/gpu/opengl/gl_batch.cc b/source/blender/gpu/opengl/gl_batch.cc
index 04e8985902d..953536de460 100644
--- a/source/blender/gpu/opengl/gl_batch.cc
+++ b/source/blender/gpu/opengl/gl_batch.cc
@@ -327,6 +327,8 @@ void GLBatch::bind(int i_first)
 
 void GLBatch::draw(int v_first, int v_count, int i_first, int i_count)
 {
+  GL_CHECK_ERROR("Batch Pre drawing");
+
   this->bind(i_first);
 
   BLI_assert(v_count > 0 && i_count > 0);
@@ -353,6 +355,7 @@ void GLBatch::draw(int v_first, int v_count, int i_first, int i_count)
       glDrawElementsInstancedBaseVertex(
           gl_type, v_count, index_type, v_first_ofs, i_count, base_index);
     }
+    GL_CHECK_ERROR("Batch Post-drawing Indexed");
   }
   else {
 #ifdef __APPLE__
@@ -367,6 +370,7 @@ void GLBatch::draw(int v_first, int v_count, int i_first, int i_count)
 #ifdef __APPLE__
     glEnable(GL_PRIMITIVE_RESTART);
 #endif
+    GL_CHECK_ERROR("Batch Post-drawing Non-indexed");
   }
 }