4 files changed, 65 insertions, 11 deletions

diff --git a/retrace/daemon/gldispatch/glframe_glhelper.cpp b/retrace/daemon/gldispatch/glframe_glhelper.cpp
index 3b281bbb..028d2ad6 100644
--- a/retrace/daemon/gldispatch/glframe_glhelper.cpp
+++ b/retrace/daemon/gldispatch/glframe_glhelper.cpp
@@ -129,6 +129,7 @@ static void *pDepthRangef = NULL;
 static void *pDepthMask = NULL;
 static void *pFrontFace = NULL;
 static void *pPolygonOffset = NULL;
+static void *pSampleCoverage = NULL;
 
 }  // namespace
 
@@ -357,6 +358,8 @@ GlFunctions::Init(void *lookup_fn) {
   assert(pFrontFace);
   pPolygonOffset = _GetProcAddress("glPolygonOffset");
   assert(pPolygonOffset);
+  pSampleCoverage = _GetProcAddress("glSampleCoverage");
+  assert(pSampleCoverage);
 }
 
 GLuint
@@ -1035,3 +1038,9 @@ GlFunctions::PolygonOffset(GLfloat factor, GLfloat units) {
   typedef void (*POLYGONOFFSET)(GLfloat factor, GLfloat units);
   return  ((POLYGONOFFSET)pPolygonOffset)(factor, units);
 }
+
+void
+GlFunctions::SampleCoverage(GLfloat value, GLboolean invert) {
+  typedef void (*SAMPLECOVERAGE)(GLfloat value, GLboolean invert);
+  return ((SAMPLECOVERAGE)pSampleCoverage)(value, invert);
+}
diff --git a/retrace/daemon/gldispatch/glframe_glhelper.hpp b/retrace/daemon/gldispatch/glframe_glhelper.hpp
index 8c58c8a9..d2614762 100644
--- a/retrace/daemon/gldispatch/glframe_glhelper.hpp
+++ b/retrace/daemon/gldispatch/glframe_glhelper.hpp
@@ -185,6 +185,7 @@ class GlFunctions {
   static void DepthMask(GLboolean flag);
   static void FrontFace(GLenum mode);
   static void PolygonOffset(GLfloat factor, GLfloat units);
+  static void SampleCoverage(GLfloat value, GLboolean invert);
 
  private:
   GlFunctions();
diff --git a/retrace/daemon/glframe_state_enums.cpp b/retrace/daemon/glframe_state_enums.cpp
index eea0a0ec..53b1ed91 100644
--- a/retrace/daemon/glframe_state_enums.cpp
+++ b/retrace/daemon/glframe_state_enums.cpp
@@ -92,6 +92,8 @@ glretrace::state_name_to_enum(const std::string &value) {
     {"GL_POLYGON_OFFSET_FACTOR", GL_POLYGON_OFFSET_FACTOR},
     {"GL_POLYGON_OFFSET_FILL", GL_POLYGON_OFFSET_FILL},
     {"GL_POLYGON_OFFSET_UNITS", GL_POLYGON_OFFSET_UNITS},
+    {"GL_SAMPLE_COVERAGE_INVERT", GL_SAMPLE_COVERAGE_INVERT},
+    {"GL_SAMPLE_COVERAGE_VALUE", GL_SAMPLE_COVERAGE_VALUE},
     {"GL_SRC_ALPHA", GL_SRC_ALPHA},
     {"GL_SRC_ALPHA_SATURATE", GL_SRC_ALPHA_SATURATE},
     {"GL_SRC_COLOR", GL_SRC_COLOR},
@@ -164,6 +166,8 @@ glretrace::state_enum_to_name(GLint value) {
     {GL_POLYGON_OFFSET_FACTOR, "GL_POLYGON_OFFSET_FACTOR"},
     {GL_POLYGON_OFFSET_FILL, "GL_POLYGON_OFFSET_FILL"},
     {GL_POLYGON_OFFSET_UNITS, "GL_POLYGON_OFFSET_UNITS"},
+    {GL_SAMPLE_COVERAGE_INVERT, "GL_SAMPLE_COVERAGE_INVERT"},
+    {GL_SAMPLE_COVERAGE_VALUE, "GL_SAMPLE_COVERAGE_VALUE"},
     {GL_SRC_ALPHA, "GL_SRC_ALPHA"},
     {GL_SRC_ALPHA_SATURATE, "GL_SRC_ALPHA_SATURATE"},
     {GL_SRC_COLOR, "GL_SRC_COLOR"},
@@ -188,6 +192,7 @@ glretrace::state_name_to_choices(const std::string &n) {
     case GL_DITHER:
     case GL_LINE_SMOOTH:
     case GL_POLYGON_OFFSET_FILL:
+    case GL_SAMPLE_COVERAGE_INVERT:
       return {"true", "false"};
     case GL_BLEND_DST:
     case GL_BLEND_DST_ALPHA:
diff --git a/retrace/daemon/glframe_state_override.cpp b/retrace/daemon/glframe_state_override.cpp
index e6b0e880..fee29d67 100644
--- a/retrace/daemon/glframe_state_override.cpp
+++ b/retrace/daemon/glframe_state_override.cpp
@@ -110,6 +110,7 @@ StateOverride::interpret_value(const StateKey &item,
     case GL_DITHER:
     case GL_FRONT_FACE:
     case GL_POLYGON_OFFSET_FILL:
+    case GL_SAMPLE_COVERAGE_INVERT:
       return state_name_to_enum(value);
 
     // float values
@@ -119,7 +120,9 @@ StateOverride::interpret_value(const StateKey &item,
     case GL_DEPTH_RANGE:
     case GL_LINE_WIDTH:
     case GL_POLYGON_OFFSET_FACTOR:
-    case GL_POLYGON_OFFSET_UNITS: {
+    case GL_POLYGON_OFFSET_UNITS:
+    case GL_SAMPLE_COVERAGE_VALUE:
+      {
       IntFloat i_f;
       i_f.f = std::stof(value);
       return i_f.i;
@@ -164,11 +167,18 @@ StateOverride::getState(const StateKey &item,
       break;
     }
     case GL_COLOR_WRITEMASK:
-    case GL_DEPTH_WRITEMASK: {
-      data->resize(4);
-      get_bool_state(n, data);
-      break;
-    }
+      {
+        data->resize(4);
+        get_bool_state(n, data);
+        break;
+      }
+    case GL_DEPTH_WRITEMASK:
+    case GL_SAMPLE_COVERAGE_INVERT:
+      {
+        data->resize(1);
+        get_bool_state(n, data);
+        break;
+      }
     case GL_BLEND_COLOR:
     case GL_COLOR_CLEAR_VALUE:
       data->resize(4);
@@ -177,11 +187,13 @@ StateOverride::getState(const StateKey &item,
     case GL_DEPTH_CLEAR_VALUE:
     case GL_LINE_WIDTH:
     case GL_POLYGON_OFFSET_FACTOR:
-    case GL_POLYGON_OFFSET_UNITS: {
-      data->resize(1);
-      get_float_state(n, data);
-      break;
-    }
+    case GL_POLYGON_OFFSET_UNITS:
+    case GL_SAMPLE_COVERAGE_VALUE:
+      {
+        data->resize(1);
+        get_float_state(n, data);
+        break;
+      }
     case GL_DEPTH_RANGE: {
       data->resize(2);
       get_float_state(n, data);
@@ -387,6 +399,19 @@ StateOverride::enact_state(const KeyMap &m) const {
         assert(GL::GetError() == GL_NO_ERROR);
         break;
       }
+      case GL_SAMPLE_COVERAGE_INVERT:
+      case GL_SAMPLE_COVERAGE_VALUE: {
+        GLfloat value;
+        GLboolean invert;
+        GlFunctions::GetFloatv(GL_SAMPLE_COVERAGE_VALUE, &value);
+        GlFunctions::GetBooleanv(GL_SAMPLE_COVERAGE_INVERT, &invert);
+        IntFloat convert;
+        convert.i = i.second[0];
+        GlFunctions::SampleCoverage(
+            n == GL_SAMPLE_COVERAGE_VALUE ? convert.f : value,
+            n == GL_SAMPLE_COVERAGE_INVERT ? i.second[0] : invert);
+        break;
+      }
       case GL_INVALID_ENUM:
       default:
         assert(false);
@@ -591,4 +616,18 @@ StateOverride::onState(SelectionId selId,
     callback->onState(selId, experimentCount, renderId,
                       k, {value});
   }
+  {
+    StateKey k("Fragment/Multisample", "GL_SAMPLE_COVERAGE_VALUE");
+    getState(k, &data);
+    std::string value;
+    floatString(data[0], &value);
+    callback->onState(selId, experimentCount, renderId,
+                      k, {value});
+  }
+  {
+    StateKey k("Fragment/Multisample", "GL_SAMPLE_COVERAGE_INVERT");
+    getState(k, &data);
+    callback->onState(selId, experimentCount, renderId,
+                      k, {data[0] ? "true" : "false"});
+  }
 }