From d868d3e991dd66cfe80120f1917409eee6d60c10 Mon Sep 17 00:00:00 2001
From: Mark Janes <mark.a.janes@intel.com>
Date: Tue, 21 Nov 2017 12:23:31 -0800
Subject: State: Enable glClearDepthf

---
 retrace/daemon/gldispatch/glframe_glhelper.cpp | 11 +++++++++++
 retrace/daemon/gldispatch/glframe_glhelper.hpp |  1 +
 retrace/daemon/glframe_state_enums.cpp         |  1 +
 retrace/daemon/glframe_state_override.cpp      | 15 +++++++++++++++
 4 files changed, 28 insertions(+)

(limited to 'retrace')

diff --git a/retrace/daemon/gldispatch/glframe_glhelper.cpp b/retrace/daemon/gldispatch/glframe_glhelper.cpp
index a326aebb..b4869676 100644
--- a/retrace/daemon/gldispatch/glframe_glhelper.cpp
+++ b/retrace/daemon/gldispatch/glframe_glhelper.cpp
@@ -123,6 +123,8 @@ static void *pFinish = NULL;
 static void *pCullFace = NULL;
 static void *pLineWidth = NULL;
 static void *pColorMask = NULL;
+static void *pClearDepthf = NULL;
+
 }  // namespace
 
 static void * _GetProcAddress(const char *name) {
@@ -338,6 +340,8 @@ GlFunctions::Init(void *lookup_fn) {
   assert(pLineWidth);
   pColorMask = _GetProcAddress("glColorMask");
   assert(pColorMask);;
+  pClearDepthf = _GetProcAddress("glClearDepthf");
+  assert(pClearDepthf);
 }
 
 GLuint
@@ -979,3 +983,10 @@ GlFunctions::ColorMask(GLboolean red, GLboolean green,
                             GLboolean blue, GLboolean alpha);
   return ((COLORMASK)pColorMask)(red, green, blue, alpha);
 }
+
+
+void
+GlFunctions::ClearDepthf(GLfloat d) {
+  typedef void (*CLEARDEPTHF)(GLfloat d);
+  return ((CLEARDEPTHF)pClearDepthf)(d);
+}
diff --git a/retrace/daemon/gldispatch/glframe_glhelper.hpp b/retrace/daemon/gldispatch/glframe_glhelper.hpp
index 7383c7a9..06bedea2 100644
--- a/retrace/daemon/gldispatch/glframe_glhelper.hpp
+++ b/retrace/daemon/gldispatch/glframe_glhelper.hpp
@@ -179,6 +179,7 @@ class GlFunctions {
   static void LineWidth(GLfloat width);
   static void ColorMask(GLboolean red, GLboolean green,
                         GLboolean blue, GLboolean alpha);
+  static void ClearDepthf(GLfloat d);
 
  private:
   GlFunctions();
diff --git a/retrace/daemon/glframe_state_enums.cpp b/retrace/daemon/glframe_state_enums.cpp
index e070a637..d1aef2db 100644
--- a/retrace/daemon/glframe_state_enums.cpp
+++ b/retrace/daemon/glframe_state_enums.cpp
@@ -54,6 +54,7 @@ glretrace::state_name_to_enum(const std::string &value) {
     {"GL_CONSTANT_COLOR", GL_CONSTANT_COLOR},
     {"GL_CULL_FACE", GL_CULL_FACE},
     {"GL_CULL_FACE_MODE", GL_CULL_FACE_MODE},
+    {"GL_DEPTH_CLEAR_VALUE", GL_DEPTH_CLEAR_VALUE},
     {"GL_DST_ALPHA", GL_DST_ALPHA},
     {"GL_DST_COLOR", GL_DST_COLOR},
     {"GL_FRONT", GL_FRONT},
diff --git a/retrace/daemon/glframe_state_override.cpp b/retrace/daemon/glframe_state_override.cpp
index 01e8bbad..219c70aa 100644
--- a/retrace/daemon/glframe_state_override.cpp
+++ b/retrace/daemon/glframe_state_override.cpp
@@ -126,6 +126,7 @@ StateOverride::interpret_value(const StateKey &item,
 
     // float values
     case GL_BLEND_COLOR:
+    case GL_DEPTH_CLEAR_VALUE:
     case GL_COLOR_CLEAR_VALUE:
     case GL_LINE_WIDTH: {
       IntFloat i_f;
@@ -176,6 +177,7 @@ StateOverride::getState(const StateKey &item,
       data->resize(4);
       get_float_state(n, data);
       break;
+    case GL_DEPTH_CLEAR_VALUE:
     case GL_LINE_WIDTH: {
       data->resize(1);
       get_float_state(n, data);
@@ -329,6 +331,12 @@ StateOverride::enact_state(const KeyMap &m) const {
                                i.second[3]);
         break;
       }
+      case GL_DEPTH_CLEAR_VALUE: {
+        IntFloat u;
+        u.i = i.second[0];
+        GlFunctions::ClearDepthf(u.f);
+        break;
+      }
       case GL_LINE_WIDTH: {
         assert(i.second.size() == 1);
         IntFloat u;
@@ -486,4 +494,11 @@ StateOverride::onState(SelectionId selId,
                         {data[3] ? "true" : "false"});
     }
   }
+  {
+    StateKey k("Rendering", "Depth State", "GL_DEPTH_CLEAR_VALUE");
+    getState(k, &data);
+    std::string value;
+    floatString(data[0], &value);
+    callback->onState(selId, experimentCount, renderId, k, {value});
+  }
 }
-- 
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