From 718cdc66dd273fc1ccad765d378cdbccc8da1f65 Mon Sep 17 00:00:00 2001
From: Mark Janes <mark.a.janes@intel.com>
Date: Thu, 2 Nov 2017 13:53:19 -0700
Subject: State: Enable glClearColor

---
 retrace/daemon/glframe_state_enums.cpp    |  1 +
 retrace/daemon/glframe_state_override.cpp | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/retrace/daemon/glframe_state_enums.cpp b/retrace/daemon/glframe_state_enums.cpp
index 32d50706..ec0316d7 100644
--- a/retrace/daemon/glframe_state_enums.cpp
+++ b/retrace/daemon/glframe_state_enums.cpp
@@ -48,6 +48,7 @@ glretrace::state_name_to_enum(const std::string &value) {
     {"GL_BLEND_SRC", GL_BLEND_SRC},
     {"GL_BLEND_SRC_ALPHA", GL_BLEND_SRC_ALPHA},
     {"GL_BLEND_SRC_RGB", GL_BLEND_SRC_RGB},
+    {"GL_COLOR_CLEAR_VALUE", GL_COLOR_CLEAR_VALUE},
     {"GL_CONSTANT_ALPHA", GL_CONSTANT_ALPHA},
     {"GL_CONSTANT_COLOR", GL_CONSTANT_COLOR},
     {"GL_CULL_FACE", GL_CULL_FACE},
diff --git a/retrace/daemon/glframe_state_override.cpp b/retrace/daemon/glframe_state_override.cpp
index 0af7f4d6..814ece38 100644
--- a/retrace/daemon/glframe_state_override.cpp
+++ b/retrace/daemon/glframe_state_override.cpp
@@ -93,6 +93,7 @@ StateOverride::getState(const StateKey &item,
       break;
     }
     case GL_BLEND_COLOR:
+    case GL_COLOR_CLEAR_VALUE:
     case GL_LINE_WIDTH: {
       get_float_state(n, data);
       break;
@@ -218,6 +219,17 @@ StateOverride::enact_state(const KeyMap &m) const {
         assert(GL::GetError() == GL_NO_ERROR);
         break;
       }
+      case GL_COLOR_CLEAR_VALUE: {
+        std::vector<float> f(4);
+        IntFloat u;
+        for (int j = 0; j < 4; ++j) {
+          u.i = i.second[j];
+          f[j] = u.f;
+        }
+        GlFunctions::ClearColor(f[0], f[1], f[2], f[3]);
+        assert(GL::GetError() == GL_NO_ERROR);
+        break;
+      }
       case GL_LINE_WIDTH: {
         // assert(i.second.size() == 1);
         IntFloat u;
@@ -343,4 +355,11 @@ StateOverride::onState(SelectionId selId,
     callback->onState(selId, experimentCount, renderId,
                       k, {state_enum_to_name(data[0])});
   }
+  {
+    StateKey k("Rendering", "Clear State", "GL_COLOR_CLEAR_VALUE");
+    getState(k, &data);
+    std::vector<std::string> color;
+    floatStrings(data, &color);
+    callback->onState(selId, experimentCount, renderId, k, color);
+  }
 }
-- 
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