Failing the resource allocation if the U plane offset exceeds the HW limitations (#191)

Author: johnmach

Source/GmmLib/Texture/GmmTextureAlloc.cpp

@@ -349,6 +349,17 @@ bool GmmLib::GmmTextureCalc::ValidateTexInfo(GMM_TEXTURE_INFO * pTexInfo,
         return false;
     }
 
+    if(GmmIsPlanar(pTexInfo->Format))
+    {
+        if((!GmmIsReconstructableSurface(pTexInfo->Format)) && (pTexInfo->OffsetInfo.Plane.Y[GMM_PLANE_U] >= GMM_MAX_UV_PLANE_Y_OFFSET))
+        {
+            GMM_ASSERTDPF(0,
+                          "GmmLib::GmmTextureCalc::ValidateTexInfo:Y offset of U plane"
+                          "exceeds max HW U plane Y offset restriction.\r\n");
+            return false;
+        }
+    }
+
     GMM_DPF_EXIT;
     return true;
 }

Source/GmmLib/inc/External/Common/GmmConst.h

@@ -54,3 +54,4 @@ OTHER DEALINGS IN THE SOFTWARE.
 #define GMM_MEDIA_COMPRESSION_STATE_SIZE               (64)
 #define GMM_CLEAR_COLOR_FLOAT_SIZE                     (16)
 #define GMM_MAX_LCU_SIZE                                64  // Media Largest coding Unit
+#define GMM_MAX_UV_PLANE_Y_OFFSET                       GMM_KBYTE(16)  // RENDER_SURFACE_STATE limits to write Y Offset for U or UV Plane so that max value is < 16384