diff --git a/renderdoc/driver/gl/gl_debug.cpp b/renderdoc/driver/gl/gl_debug.cpp
index 3e7336194..580c5329a 100644
--- a/renderdoc/driver/gl/gl_debug.cpp
+++ b/renderdoc/driver/gl/gl_debug.cpp
@@ -1740,6 +1740,8 @@ bool GLReplay::GetMinMax(ResourceId texid, const Subresource &sub, CompType type
     // need replay context active to do blit (as FBOs aren't shared)
     MakeCurrentReplayContext(&m_ReplayCtx);
 
+    GLMarkerRegion blitRegion("Renderbuffer Blit");
+
     GLuint curDrawFBO = 0;
     GLuint curReadFBO = 0;
     GL.glGetIntegerv(eGL_DRAW_FRAMEBUFFER_BINDING, (GLint *)&curDrawFBO);
@@ -1761,6 +1763,8 @@ bool GLReplay::GetMinMax(ResourceId texid, const Subresource &sub, CompType type
 
   MakeCurrentReplayContext(m_DebugCtx);
 
+  GLMarkerRegion region("GetMinMax");
+
   RDCGLenum dsTexMode = eGL_NONE;
   if(IsDepthStencilFormat(texDetails.internalFormat))
   {
@@ -1966,6 +1970,8 @@ bool GLReplay::GetHistogram(ResourceId texid, const Subresource &sub, CompType t
     // need replay context active to do blit (as FBOs aren't shared)
     MakeCurrentReplayContext(&m_ReplayCtx);
 
+    GLMarkerRegion blitRegion("Renderbuffer Blit");
+
     GLuint curDrawFBO = 0;
     GLuint curReadFBO = 0;
     GL.glGetIntegerv(eGL_DRAW_FRAMEBUFFER_BINDING, (GLint *)&curDrawFBO);
@@ -1987,6 +1993,8 @@ bool GLReplay::GetHistogram(ResourceId texid, const Subresource &sub, CompType t
 
   MakeCurrentReplayContext(m_DebugCtx);
 
+  GLMarkerRegion region("GetHistogram");
+
   RDCGLenum dsTexMode = eGL_NONE;
   if(IsDepthStencilFormat(texDetails.internalFormat))
   {
diff --git a/renderdoc/driver/gl/gl_rendertexture.cpp b/renderdoc/driver/gl/gl_rendertexture.cpp
index 99febac31..f821ea328 100644
--- a/renderdoc/driver/gl/gl_rendertexture.cpp
+++ b/renderdoc/driver/gl/gl_rendertexture.cpp
@@ -86,6 +86,8 @@ bool GLReplay::RenderTextureInternal(TextureDisplay cfg, TexDisplayFlags flags)
     // need replay context active to do blit (as FBOs aren't shared)
     MakeCurrentReplayContext(&m_ReplayCtx);
 
+    GLMarkerRegion blitRegion("Renderbuffer Blit");
+
     GLuint curDrawFBO = 0;
     GLuint curReadFBO = 0;
     drv.glGetIntegerv(eGL_DRAW_FRAMEBUFFER_BINDING, (GLint *)&curDrawFBO);
@@ -110,6 +112,8 @@ bool GLReplay::RenderTextureInternal(TextureDisplay cfg, TexDisplayFlags flags)
 
   MakeCurrentReplayContext(m_DebugCtx);
 
+  GLMarkerRegion region("RenderTextureInternal");
+
   uint32_t numMips = m_CachedTextures[cfg.resourceId].mips;
 
   GLuint castTexture = 0;
@@ -124,7 +128,7 @@ bool GLReplay::RenderTextureInternal(TextureDisplay cfg, TexDisplayFlags flags)
     // if the format didn't change we can't re-interpret this format anyway
     if(displayFormat != texDetails.internalFormat)
     {
-      GLMarkerRegion region("Casting texture for view");
+      GLMarkerRegion castRegion("Casting texture for view");
 
       drv.glGenTextures(1, &castTexture);
       drv.glActiveTexture(eGL_TEXTURE0);