Implemented querying GL_BLEND_COLOR

TRAC #12039
Signed-off-by: Shannon Woods
Signed-off-by: Daniel Koch

Author:    Nicolas Capens

git-svn-id: https://angleproject.googlecode.com/svn/trunk@192 736b8ea6-26fd-11df-bfd4-992fa37f6226

src/libGLESv2/Context.cpp

@@ -848,6 +848,12 @@ bool Context::getFloatv(GLenum pname, GLfloat *params)
         params[2] = colorClearValue.blue;
         params[3] = colorClearValue.alpha;
         break;
+      case GL_BLEND_COLOR:
+        params[0] = blendColor.red;
+        params[1] = blendColor.green;
+        params[2] = blendColor.blue;
+        params[3] = blendColor.alpha;
+        break;
       default:
         return false;
     }
@@ -1154,6 +1160,7 @@ bool Context::getQueryParameterInfo(GLenum pname, GLenum *type, unsigned int *nu
         }
         break;
       case GL_COLOR_CLEAR_VALUE:
+      case GL_BLEND_COLOR:
         {
             *type = GL_FLOAT;
             *numParams = 4;

src/libGLESv2/libGLESv2.cpp

@@ -2372,7 +2372,7 @@ void __stdcall glGetIntegerv(GLenum pname, GLint* params)
 
                     for (unsigned int i = 0; i < numParams; ++i)
                     {
-                        if (pname == GL_DEPTH_RANGE || pname == GL_COLOR_CLEAR_VALUE || pname == GL_DEPTH_CLEAR_VALUE)
+                        if (pname == GL_DEPTH_RANGE || pname == GL_COLOR_CLEAR_VALUE || pname == GL_DEPTH_CLEAR_VALUE || pname == GL_BLEND_COLOR)
                         {
                             params[i] = (GLint)(((GLfloat)(0xFFFFFFFF) * floatParams[i] - 1.0f) / 2.0f);
                         }