i965: add support for Intel 4 series chipsets

src/mesa/drivers/dri/intel/intel_chipset.h

@@ -53,7 +53,11 @@
 #define PCI_CHIP_I965_GM                0x2A02
 #define PCI_CHIP_I965_GME               0x2A12
 
-#define PCI_CHIP_IGD_GM       0x2A42
+#define PCI_CHIP_IGD_GM                 0x2A42
+
+#define PCI_CHIP_IGD_E_G                0x2E02
+#define PCI_CHIP_Q45_G                  0x2E12
+#define PCI_CHIP_G45_G                  0x2E22
 
 #define IS_MOBILE(devid)	(devid == PCI_CHIP_I855_GM || \
 				 devid == PCI_CHIP_I915_GM || \
@@ -63,7 +67,11 @@
 				 devid == PCI_CHIP_I965_GME || \
 				 devid == PCI_CHIP_IGD_GM)
 
-#define IS_IGD(devid)  (devid == PCI_CHIP_IGD_GM)
+#define IS_IGD_GM(devid)        (devid == PCI_CHIP_IGD_GM)
+#define IS_G4X(devid)           (devid == PCI_CHIP_IGD_E_G || \
+                                 devid == PCI_CHIP_Q45_G || \
+                                 devid == PCI_CHIP_G45_G)
+#define IS_IGD(devid)           (IS_IGD_GM(devid) || IS_G4X(devid))
 
 #define IS_915(devid)		(devid == PCI_CHIP_I915_G || \
 				 devid == PCI_CHIP_E7221_G || \

src/mesa/drivers/dri/intel/intel_context.c

@@ -167,8 +167,15 @@ intelGetString(GLcontext * ctx, GLenum name)
 	 chipset = "Intel(R) 965GME/GLE";
 	 break;
       case PCI_CHIP_IGD_GM:
+      case PCI_CHIP_IGD_E_G:
 	 chipset = "Intel(R) Integrated Graphics Device";
 	 break;
+      case PCI_CHIP_G45_G:
+         chipset = "Intel(R) G45/G43";
+         break;
+      case PCI_CHIP_Q45_G:
+         chipset = "Intel(R) Q45/Q43";
+         break;
       default:
          chipset = "Unknown Intel Chipset";
          break;