Mark capture as degraded if we're missing key hardware capabilities

* This includes primarily compute shaders and image load/store

renderdoc/driver/gl/gl_common.h

@@ -197,7 +197,6 @@ extern bool GLIsCore;
   EXT_TO_CHECK(EXT_depth_bounds_test)                \
   EXT_TO_CHECK(ARB_compute_shader)                   \
   EXT_TO_CHECK(ARB_program_interface_query)          \
-  EXT_TO_CHECK(ARB_image_load_store)                 \
   EXT_TO_CHECK(ARB_copy_image)                       \
   EXT_TO_CHECK(ARB_shader_atomic_counters)           \
   EXT_TO_CHECK(ARB_shader_storage_buffer_object)     \

renderdoc/driver/gl/gl_debug.cpp

@@ -646,6 +646,8 @@ void GLReplay::InitDebugData()
                                eDbgSource_RuntimeWarning,
                                "ARB_gpu_shader5 not supported, pixel picking and saving of integer "
                                "textures may be inaccurate.");
+
+    m_Degraded = true;
   }
 
   if(!HasExt[ARB_stencil_texturing])
@@ -654,6 +656,13 @@ void GLReplay::InitDebugData()
     m_pDriver->AddDebugMessage(
         eDbgCategory_Portability, eDbgSeverity_Medium, eDbgSource_RuntimeWarning,
         "ARB_stencil_texturing not supported, stencil values will not be displayed or picked.");
+
+    m_Degraded = true;
+  }
+
+  if(!HasExt[ARB_shader_image_load_store] || !HasExt[ARB_compute_shader])
+  {
+    m_Degraded = true;
   }
 }
 

renderdoc/driver/gl/gl_renderstate.cpp

@@ -413,7 +413,7 @@ void GLRenderState::MarkDirty(WrappedOpenGL *gl)
     }
   }
 
-  if(GLCoreVersion >= 42 || HasExt[ARB_image_load_store])
+  if(GLCoreVersion >= 42 || HasExt[ARB_shader_image_load_store])
   {
     m_Real->glGetIntegerv(eGL_MAX_IMAGE_UNITS, &maxCount);
 

renderdoc/driver/gl/gl_replay.cpp

@@ -36,6 +36,8 @@ GLReplay::GLReplay()
   m_pDriver = NULL;
   m_Proxy = false;
 
+  m_Degraded = false;
+
   RDCEraseEl(m_ReplayCtx);
   m_DebugCtx = NULL;
 
@@ -122,7 +124,7 @@ APIProperties GLReplay::GetAPIProperties()
 
   ret.pipelineType = eGraphicsAPI_OpenGL;
   ret.localRenderer = eGraphicsAPI_OpenGL;
-  ret.degraded = false;
+  ret.degraded = m_Degraded;
 
   return ret;
 }

renderdoc/driver/gl/gl_replay.h

@@ -351,6 +351,8 @@ private:
     GLuint emptyVAO;
   } DebugData;
 
+  bool m_Degraded;
+
   FloatVector InterpretVertex(byte *data, uint32_t vert, const MeshDisplay &cfg, byte *end,
                               bool useidx, bool &valid);