commit 64636a3fe29086626e5efa22e45e93a1b0884ba1
author Mike Schuchardt <mikes@lunarg.com> Wed Apr 26 15:25:23 2017 -0600
committer Mike Schuchardt <mikes@lunarg.com> Fri May 05 09:49:20 2017 -0600
tree 69130e18187086216854f25ea3dac7a7e1cffff4
parent ad8e75fb3356af1f5cec1cff3a484933d6a3f869

layers: Move patchControlPoints validation

Move pTessellationState->patchControlPoints checks to parameter
validation where they will only be executed if the pipeline contains
tessellation stages.

Change-Id: I271f915625995f4a54045d0abe63ce27b9e023f9

layers/parameter_validation.cpp

diff --git a/layers/parameter_validation.cpp b/layers/parameter_validation.cpp
index d9cd7f7..301fb40 100644
--- a/layers/parameter_validation.cpp
+++ b/layers/parameter_validation.cpp
@@ -2961,6 +2961,19 @@
                                             "be VK_STRUCTURE_TYPE_PIPELINE_TESSELLATION_STATE_CREATE_INFO. %s",
                                             i, validation_error_map[VALIDATION_ERROR_00538]);
                         }
+
+                        if (pCreateInfos[i].pTessellationState->patchControlPoints == 0 ||
+                            pCreateInfos[i].pTessellationState->patchControlPoints >
+                                device_data->device_limits.maxTessellationPatchSize) {
+                            skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0,
+                                            __LINE__, VALIDATION_ERROR_01426, LayerName,
+                                            "vkCreateGraphicsPipelines: invalid parameter "
+                                            "pCreateInfos[%d].pTessellationState->patchControlPoints value %u. patchControlPoints "
+                                            "should be >0 and <=%u. %s",
+                                            i, pCreateInfos[i].pTessellationState->patchControlPoints,
+                                            device_data->device_limits.maxTessellationPatchSize,
+                                            validation_error_map[VALIDATION_ERROR_01426]);
+                        }
                     }
                 }
             }