Detect latest Intel hardware in GLPlatform

Added support for IvyBridge and Haswell.

REVIEW: 106819

libkwineffects/kwinglplatform.cpp

@@ -335,6 +335,7 @@ static ChipClass detectNVidiaClass(const QString &chipset)
 
 static ChipClass detectIntelClass(const QByteArray &chipset)
 {
+    // see mesa repository: src/mesa/drivers/dri/intel/intel_context.c
     // GL 1.3, DX8? SM ?
     if (chipset.contains("845G")        ||
             chipset.contains("830M")        ||
@@ -374,6 +375,16 @@ static ChipClass detectIntelClass(const QByteArray &chipset)
         return SandyBridge;
     }
 
+    // GL4.0, CL1.1, DX11, SM 5.0
+    if (chipset.contains("Ivybridge")) {
+        return IvyBridge;
+    }
+
+    // GL4.0, CL1.2, DX11.1, SM 5.0
+    if (chipset.contains("Haswell")) {
+        return Haswell;
+    }
+
     return UnknownIntel;
 }
 
@@ -468,6 +479,10 @@ QString GLPlatform::chipClassToString(ChipClass chipClass)
         return "i965";
     case SandyBridge:
         return "SandyBridge";
+    case IvyBridge:
+        return "IvyBridge";
+    case Haswell:
+        return "Haswell";
 
     default:
         return "Unknown";

libkwineffects/kwinglplatform.h

@@ -126,6 +126,8 @@ enum ChipClass {
     I915,                   // GL1.4/1.5     DX9/DX9c  SM 2.0      2004
     I965,                   // GL2.0/2.1     DX9/DX10  SM 3.0/4.0  2006
     SandyBridge,            // GL3.1  CL1.1  DX10.1    SM 4.0      2010
+    IvyBridge,              // GL4.0  CL1.1  DX11      SM 5.0      2012
+    Haswell,                // GL4.0  CL1.2  DX11.1    SM 5.0      2013
     UnknownIntel  = 2999,
 
     UnknownChipClass = 99999