layers: Rename format utils, strip Vk

Change-Id: I4d192db22c51d2e9224b74487bfd5d6a58405028
diff --git a/layers/buffer_validation.cpp b/layers/buffer_validation.cpp
index 5386ed7..2b99bda 100644
--- a/layers/buffer_validation.cpp
+++ b/layers/buffer_validation.cpp
@@ -240,7 +240,7 @@
             // TODO: If ImageView was created with depth or stencil, transition both layouts as the aspectMask is ignored and both
             // are used. Verify that the extra implicit layout is OK for descriptor set layout validation
             if (image_subresource_range.aspectMask & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) {
-                if (VkFormatIsDepthAndStencil(image_state->createInfo.format)) {
+                if (FormatIsDepthAndStencil(image_state->createInfo.format)) {
                     sub.aspectMask |= (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT);
                 }
             }
@@ -301,7 +301,7 @@
                 if (!FindCmdBufLayout(device_data, pCB, image, sub, node)) {
                     // If ImageView was created with depth or stencil, transition both aspects if it's a DS image
                     if (subRange.aspectMask & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) {
-                        if (VkFormatIsDepthAndStencil(view_state->create_info.format)) {
+                        if (FormatIsDepthAndStencil(view_state->create_info.format)) {
                             sub.aspectMask |= (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT);
                         }
                     }
@@ -397,13 +397,13 @@
 
 bool VerifyAspectsPresent(VkImageAspectFlags aspect_mask, VkFormat format) {
     if ((aspect_mask & VK_IMAGE_ASPECT_COLOR_BIT) != 0) {
-        if (!VkFormatIsColor(format)) return false;
+        if (!FormatIsColor(format)) return false;
     }
     if ((aspect_mask & VK_IMAGE_ASPECT_DEPTH_BIT) != 0) {
-        if (!VkFormatHasDepth(format)) return false;
+        if (!FormatHasDepth(format)) return false;
     }
     if ((aspect_mask & VK_IMAGE_ASPECT_STENCIL_BIT) != 0) {
-        if (!VkFormatHasStencil(format)) return false;
+        if (!FormatHasStencil(format)) return false;
     }
     return true;
 }
@@ -694,7 +694,7 @@
 
     uint64_t totalSize = ((uint64_t)pCreateInfo->extent.width * (uint64_t)pCreateInfo->extent.height *
                               (uint64_t)pCreateInfo->extent.depth * (uint64_t)pCreateInfo->arrayLayers *
-                              (uint64_t)pCreateInfo->samples * (uint64_t)VkFormatGetSize(pCreateInfo->format) +
+                              (uint64_t)pCreateInfo->samples * (uint64_t)FormatSize(pCreateInfo->format) +
                           (uint64_t)imageGranularity) &
                          ~(uint64_t)imageGranularity;
 
@@ -811,12 +811,12 @@
                         reinterpret_cast<uint64_t &>(image_state->image), __LINE__, DRAWSTATE_INVALID_IMAGE_ASPECT, "IMAGE", str);
     }
 
-    if (VkFormatIsDepthOrStencil(image_state->createInfo.format)) {
+    if (FormatIsDepthOrStencil(image_state->createInfo.format)) {
         char const str[] = "vkCmdClearColorImage called with depth/stencil image.";
         skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                         reinterpret_cast<uint64_t &>(image_state->image), __LINE__, VALIDATION_ERROR_01088, "IMAGE", "%s. %s", str,
                         validation_error_map[VALIDATION_ERROR_01088]);
-    } else if (VkFormatIsCompressed(image_state->createInfo.format)) {
+    } else if (FormatIsCompressed(image_state->createInfo.format)) {
         char const str[] = "vkCmdClearColorImage called with compressed image.";
         skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                         reinterpret_cast<uint64_t &>(image_state->image), __LINE__, VALIDATION_ERROR_01088, "IMAGE", "%s. %s", str,
@@ -995,7 +995,7 @@
                                 (uint64_t)commandBuffer, __LINE__, DRAWSTATE_INVALID_IMAGE_ASPECT, "IMAGE", str);
             }
         }
-        if (image_state && !VkFormatIsDepthOrStencil(image_state->createInfo.format)) {
+        if (image_state && !FormatIsDepthOrStencil(image_state->createInfo.format)) {
             char const str[] = "vkCmdClearDepthStencilImage called without a depth/stencil image.";
             skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                             reinterpret_cast<uint64_t &>(image), __LINE__, VALIDATION_ERROR_01103, "IMAGE", "%s. %s", str,
@@ -1100,8 +1100,8 @@
     if (pPool) {
         granularity =
             GetPhysDevProperties(device_data)->queue_family_properties[pPool->queueFamilyIndex].minImageTransferGranularity;
-        if (VkFormatIsCompressed(img->createInfo.format)) {
-            auto block_size = VkFormatCompressedTexelBlockExtent(img->createInfo.format);
+        if (FormatIsCompressed(img->createInfo.format)) {
+            auto block_size = FormatCompressedTexelBlockExtent(img->createInfo.format);
             granularity.width *= block_size.width;
             granularity.height *= block_size.height;
         }
@@ -1112,8 +1112,8 @@
 // Test elements of a VkExtent3D structure against alignment constraints contained in another VkExtent3D structure
 static inline bool IsExtentAligned(const VkExtent3D *extent, const VkExtent3D *granularity) {
     bool valid = true;
-    if ((VkSafeModulo(extent->depth, granularity->depth) != 0) || (VkSafeModulo(extent->width, granularity->width) != 0) ||
-        (VkSafeModulo(extent->height, granularity->height) != 0)) {
+    if ((SafeModulo(extent->depth, granularity->depth) != 0) || (SafeModulo(extent->width, granularity->width) != 0) ||
+        (SafeModulo(extent->height, granularity->height) != 0)) {
         valid = false;
     }
     return valid;
@@ -1200,7 +1200,7 @@
     const debug_report_data *report_data = core_validation::GetReportData(device_data);
 
     bool skip = false;
-    if (VkSafeModulo(value, granularity) != 0) {
+    if (SafeModulo(value, granularity) != 0) {
         skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                         reinterpret_cast<uint64_t>(cb_node->commandBuffer), __LINE__, DRAWSTATE_IMAGE_TRANSFER_GRANULARITY, "DS",
                         "%s: pRegion[%d].%s (%d) must be an even integer multiple of this command buffer's queue family image "
@@ -1215,7 +1215,7 @@
                                 const uint32_t granularity, const uint32_t i, const char *function, const char *member) {
     const debug_report_data *report_data = core_validation::GetReportData(device_data);
     bool skip = false;
-    if (VkSafeModulo(value, granularity) != 0) {
+    if (SafeModulo(value, granularity) != 0) {
         skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
                         reinterpret_cast<uint64_t>(cb_node->commandBuffer), __LINE__, DRAWSTATE_IMAGE_TRANSFER_GRANULARITY, "DS",
                         "%s: pRegion[%d].%s (%" PRIdLEAST64
@@ -1231,7 +1231,7 @@
                                                             const IMAGE_STATE *img, const VkBufferImageCopy *region,
                                                             const uint32_t i, const char *function) {
     bool skip = false;
-    if (VkFormatIsCompressed(img->createInfo.format) == true) {
+    if (FormatIsCompressed(img->createInfo.format) == true) {
         // TODO: Add granularity checking for compressed formats
 
         // bufferRowLength must be a multiple of the compressed texel block width
@@ -1450,8 +1450,8 @@
     // The formats of src_image and dst_image must be compatible. Formats are considered compatible if their texel size in bytes
     // is the same between both formats. For example, VK_FORMAT_R8G8B8A8_UNORM is compatible with VK_FORMAT_R32_UINT because
     // because both texels are 4 bytes in size. Depth/stencil formats must match exactly.
-    if (VkFormatIsDepthOrStencil(src_image_state->createInfo.format) ||
-        VkFormatIsDepthOrStencil(dst_image_state->createInfo.format)) {
+    if (FormatIsDepthOrStencil(src_image_state->createInfo.format) ||
+        FormatIsDepthOrStencil(dst_image_state->createInfo.format)) {
         if (src_image_state->createInfo.format != dst_image_state->createInfo.format) {
             char const str[] = "vkCmdCopyImage called with unmatched source and dest image depth/stencil formats.";
             skip |=
@@ -1459,8 +1459,8 @@
                         reinterpret_cast<uint64_t &>(command_buffer), __LINE__, DRAWSTATE_MISMATCHED_IMAGE_FORMAT, "IMAGE", str);
         }
     } else {
-        size_t srcSize = VkFormatGetSize(src_image_state->createInfo.format);
-        size_t destSize = VkFormatGetSize(dst_image_state->createInfo.format);
+        size_t srcSize = FormatSize(src_image_state->createInfo.format);
+        size_t destSize = FormatSize(dst_image_state->createInfo.format);
         if (srcSize != destSize) {
             char const str[] = "vkCmdCopyImage called with unmatched source and dest image format sizes.";
             skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT,
@@ -1826,7 +1826,7 @@
         VkFormat dst_format = dst_image_state->createInfo.format;
 
         // Validate consistency for unsigned formats
-        if (VkFormatIsUInt(src_format) != VkFormatIsUInt(dst_format)) {
+        if (FormatIsUInt(src_format) != FormatIsUInt(dst_format)) {
             std::stringstream ss;
             ss << "vkCmdBlitImage: If one of srcImage and dstImage images has unsigned integer format, "
                << "the other one must also have unsigned integer format.  "
@@ -1837,7 +1837,7 @@
         }
 
         // Validate consistency for signed formats
-        if (VkFormatIsSInt(src_format) != VkFormatIsSInt(dst_format)) {
+        if (FormatIsSInt(src_format) != FormatIsSInt(dst_format)) {
             std::stringstream ss;
             ss << "vkCmdBlitImage: If one of srcImage and dstImage images has signed integer format, "
                << "the other one must also have signed integer format.  "
@@ -1848,7 +1848,7 @@
         }
 
         // Validate aspect bits and formats for depth/stencil images
-        if (VkFormatIsDepthOrStencil(src_format) || VkFormatIsDepthOrStencil(dst_format)) {
+        if (FormatIsDepthOrStencil(src_format) || FormatIsDepthOrStencil(dst_format)) {
             if (src_format != dst_format) {
                 std::stringstream ss;
                 ss << "vkCmdBlitImage: If one of srcImage and dstImage images has a format of depth, stencil or depth "
@@ -1863,7 +1863,7 @@
             for (uint32_t i = 0; i < regionCount; i++) {
                 VkImageAspectFlags srcAspect = pRegions[i].srcSubresource.aspectMask;
 
-                if (VkFormatIsDepthAndStencil(src_format)) {
+                if (FormatIsDepthAndStencil(src_format)) {
                     if ((srcAspect != VK_IMAGE_ASPECT_DEPTH_BIT) && (srcAspect != VK_IMAGE_ASPECT_STENCIL_BIT)) {
                         std::stringstream ss;
                         ss << "vkCmdBlitImage: Combination depth/stencil image formats must have only one of "
@@ -1873,7 +1873,7 @@
                                         reinterpret_cast<uint64_t>(cb_node->commandBuffer), __LINE__,
                                         DRAWSTATE_INVALID_IMAGE_ASPECT, "IMAGE", "%s", ss.str().c_str());
                     }
-                } else if (VkFormatIsStencilOnly(src_format)) {
+                } else if (FormatIsStencilOnly(src_format)) {
                     if (srcAspect != VK_IMAGE_ASPECT_STENCIL_BIT) {
                         std::stringstream ss;
                         ss << "vkCmdBlitImage: Stencil-only image formats must have only the VK_IMAGE_ASPECT_STENCIL_BIT "
@@ -1882,7 +1882,7 @@
                                         reinterpret_cast<uint64_t>(cb_node->commandBuffer), __LINE__,
                                         DRAWSTATE_INVALID_IMAGE_ASPECT, "IMAGE", "%s", ss.str().c_str());
                     }
-                } else if (VkFormatIsDepthOnly(src_format)) {
+                } else if (FormatIsDepthOnly(src_format)) {
                     if (srcAspect != VK_IMAGE_ASPECT_DEPTH_BIT) {
                         std::stringstream ss;
                         ss << "vkCmdBlitImage: Depth-only image formats must have only the VK_IMAGE_ASPECT_DEPTH "
@@ -1896,7 +1896,7 @@
         }
 
         // Validate filter
-        if (VkFormatIsDepthOrStencil(src_format) && (filter != VK_FILTER_NEAREST)) {
+        if (FormatIsDepthOrStencil(src_format) && (filter != VK_FILTER_NEAREST)) {
             std::stringstream ss;
             ss << "vkCmdBlitImage: If the format of srcImage is a depth, stencil, or depth stencil "
                << "then filter must be VK_FILTER_NEAREST.";
@@ -2364,7 +2364,7 @@
                              const char *func_name) {
     const debug_report_data *report_data = core_validation::GetReportData(device_data);
     bool skip = false;
-    if (VkFormatIsColor(format)) {
+    if (FormatIsColor(format)) {
         if ((aspect_mask & VK_IMAGE_ASPECT_COLOR_BIT) != VK_IMAGE_ASPECT_COLOR_BIT) {
             skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, (uint64_t)image,
                             __LINE__, VALIDATION_ERROR_00741, "IMAGE",
@@ -2376,7 +2376,7 @@
                             "%s: Color image formats must have ONLY the VK_IMAGE_ASPECT_COLOR_BIT set. %s", func_name,
                             validation_error_map[VALIDATION_ERROR_00741]);
         }
-    } else if (VkFormatIsDepthAndStencil(format)) {
+    } else if (FormatIsDepthAndStencil(format)) {
         if ((aspect_mask & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT)) == 0) {
             skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, (uint64_t)image,
                             __LINE__, VALIDATION_ERROR_00741, "IMAGE",
@@ -2391,7 +2391,7 @@
                             "VK_IMAGE_ASPECT_STENCIL_BIT set. %s",
                             func_name, validation_error_map[VALIDATION_ERROR_00741]);
         }
-    } else if (VkFormatIsDepthOnly(format)) {
+    } else if (FormatIsDepthOnly(format)) {
         if ((aspect_mask & VK_IMAGE_ASPECT_DEPTH_BIT) != VK_IMAGE_ASPECT_DEPTH_BIT) {
             skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, (uint64_t)image,
                             __LINE__, VALIDATION_ERROR_00741, "IMAGE",
@@ -2403,7 +2403,7 @@
                             "%s: Depth-only image formats can have only the VK_IMAGE_ASPECT_DEPTH_BIT set. %s", func_name,
                             validation_error_map[VALIDATION_ERROR_00741]);
         }
-    } else if (VkFormatIsStencilOnly(format)) {
+    } else if (FormatIsStencilOnly(format)) {
         if ((aspect_mask & VK_IMAGE_ASPECT_STENCIL_BIT) != VK_IMAGE_ASPECT_STENCIL_BIT) {
             skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT, (uint64_t)image,
                             __LINE__, VALIDATION_ERROR_00741, "IMAGE",
@@ -2480,7 +2480,7 @@
         // Validate VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT state
         if (image_flags & VK_IMAGE_CREATE_MUTABLE_FORMAT_BIT) {
             // Format MUST be compatible (in the same format compatibility class) as the format the image was created with
-            if (VkFormatGetCompatibilityClass(image_format) != VkFormatGetCompatibilityClass(view_format)) {
+            if (FormatCompatibilityClass(image_format) != FormatCompatibilityClass(view_format)) {
                 std::stringstream ss;
                 ss << "vkCreateImageView(): ImageView format " << string_VkFormat(view_format)
                    << " is not in the same format compatibility class as image (" << (uint64_t)create_info->image << ")  format "
@@ -2698,9 +2698,9 @@
 
         // If the the calling command's VkImage parameter's format is not a depth/stencil format,
         // then bufferOffset must be a multiple of the calling command's VkImage parameter's texel size
-        auto texel_size = VkFormatGetSize(image_state->createInfo.format);
-        if (!VkFormatIsDepthAndStencil(image_state->createInfo.format) &&
-            VkSafeModulo(pRegions[i].bufferOffset, texel_size) != 0) {
+        auto texel_size = FormatSize(image_state->createInfo.format);
+        if (!FormatIsDepthAndStencil(image_state->createInfo.format) &&
+            SafeModulo(pRegions[i].bufferOffset, texel_size) != 0) {
             skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                             reinterpret_cast<uint64_t &>(image_state->image), __LINE__, VALIDATION_ERROR_01263, "IMAGE",
                             "%s(): pRegion[%d] bufferOffset 0x%" PRIxLEAST64
@@ -2709,7 +2709,7 @@
         }
 
         //  BufferOffset must be a multiple of 4
-        if (VkSafeModulo(pRegions[i].bufferOffset, 4) != 0) {
+        if (SafeModulo(pRegions[i].bufferOffset, 4) != 0) {
             skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                             reinterpret_cast<uint64_t &>(image_state->image), __LINE__, VALIDATION_ERROR_01264, "IMAGE",
                             "%s(): pRegion[%d] bufferOffset 0x%" PRIxLEAST64 " must be a multiple of 4. %s", function, i,
@@ -2760,11 +2760,11 @@
         // TODO: there is a comment in ValidateCopyBufferImageTransferGranularityRequirements() in core_validation.cpp that
         //       reserves a place for these compressed image checks.  This block of code could move there once the image
         //       stuff is moved into core validation.
-        if (VkFormatIsCompressed(image_state->createInfo.format)) {
-            auto block_size = VkFormatCompressedTexelBlockExtent(image_state->createInfo.format);
+        if (FormatIsCompressed(image_state->createInfo.format)) {
+            auto block_size = FormatCompressedTexelBlockExtent(image_state->createInfo.format);
 
             //  BufferRowLength must be a multiple of block width
-            if (VkSafeModulo(pRegions[i].bufferRowLength, block_size.width) != 0) {
+            if (SafeModulo(pRegions[i].bufferRowLength, block_size.width) != 0) {
                 skip |= log_msg(
                     report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                     reinterpret_cast<uint64_t &>(image_state->image), __LINE__, VALIDATION_ERROR_01271, "IMAGE",
@@ -2773,7 +2773,7 @@
             }
 
             //  BufferRowHeight must be a multiple of block height
-            if (VkSafeModulo(pRegions[i].bufferImageHeight, block_size.height) != 0) {
+            if (SafeModulo(pRegions[i].bufferImageHeight, block_size.height) != 0) {
                 skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                                 reinterpret_cast<uint64_t &>(image_state->image), __LINE__, VALIDATION_ERROR_01272, "IMAGE",
                                 "%s(): pRegion[%d] bufferImageHeight (%d) must be a multiple of the compressed image's texel "
@@ -2783,9 +2783,9 @@
             }
 
             //  image offsets must be multiples of block dimensions
-            if ((VkSafeModulo(pRegions[i].imageOffset.x, block_size.width) != 0) ||
-                (VkSafeModulo(pRegions[i].imageOffset.y, block_size.height) != 0) ||
-                (VkSafeModulo(pRegions[i].imageOffset.z, block_size.depth) != 0)) {
+            if ((SafeModulo(pRegions[i].imageOffset.x, block_size.width) != 0) ||
+                (SafeModulo(pRegions[i].imageOffset.y, block_size.height) != 0) ||
+                (SafeModulo(pRegions[i].imageOffset.z, block_size.depth) != 0)) {
                 skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                                 reinterpret_cast<uint64_t &>(image_state->image), __LINE__, VALIDATION_ERROR_01273, "IMAGE",
                                 "%s(): pRegion[%d] imageOffset(x,y) (%d, %d) must be multiples of the compressed image's texel "
@@ -2795,8 +2795,8 @@
             }
 
             // bufferOffset must be a multiple of block size (linear bytes)
-            size_t block_size_in_bytes = VkFormatGetSize(image_state->createInfo.format);
-            if (VkSafeModulo(pRegions[i].bufferOffset, block_size_in_bytes) != 0) {
+            size_t block_size_in_bytes = FormatSize(image_state->createInfo.format);
+            if (SafeModulo(pRegions[i].bufferOffset, block_size_in_bytes) != 0) {
                 skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                                 reinterpret_cast<uint64_t &>(image_state->image), __LINE__, VALIDATION_ERROR_01274, "IMAGE",
                                 "%s(): pRegion[%d] bufferOffset (0x%" PRIxLEAST64
@@ -2808,7 +2808,7 @@
 
             // imageExtent width must be a multiple of block width, or extent+offset width must equal subresource width
             VkExtent3D mip_extent = GetImageSubresourceExtent(image_state, &(pRegions[i].imageSubresource));
-            if ((VkSafeModulo(pRegions[i].imageExtent.width, block_size.width) != 0) &&
+            if ((SafeModulo(pRegions[i].imageExtent.width, block_size.width) != 0) &&
                 (pRegions[i].imageExtent.width + pRegions[i].imageOffset.x != mip_extent.width)) {
                 skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                                 reinterpret_cast<uint64_t &>(image_state->image), __LINE__, VALIDATION_ERROR_01275, "IMAGE",
@@ -2819,7 +2819,7 @@
             }
 
             // imageExtent height must be a multiple of block height, or extent+offset height must equal subresource height
-            if ((VkSafeModulo(pRegions[i].imageExtent.height, block_size.height) != 0) &&
+            if ((SafeModulo(pRegions[i].imageExtent.height, block_size.height) != 0) &&
                 (pRegions[i].imageExtent.height + pRegions[i].imageOffset.y != mip_extent.height)) {
                 skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                                 reinterpret_cast<uint64_t &>(image_state->image), __LINE__, VALIDATION_ERROR_01276, "IMAGE",
@@ -2830,7 +2830,7 @@
             }
 
             // imageExtent depth must be a multiple of block depth, or extent+offset depth must equal subresource depth
-            if ((VkSafeModulo(pRegions[i].imageExtent.depth, block_size.depth) != 0) &&
+            if ((SafeModulo(pRegions[i].imageExtent.depth, block_size.depth) != 0) &&
                 (pRegions[i].imageExtent.depth + pRegions[i].imageOffset.z != mip_extent.depth)) {
                 skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                                 reinterpret_cast<uint64_t &>(image_state->image), __LINE__, VALIDATION_ERROR_01277, "IMAGE",
@@ -2865,8 +2865,8 @@
         VkExtent3D image_extent = GetImageSubresourceExtent(image_state, &(pRegions[i].imageSubresource));
 
         // If we're using a compressed format, valid extent is rounded up to multiple of block size (per 18.1)
-        if (VkFormatIsCompressed(image_info->format)) {
-            auto block_extent = VkFormatCompressedTexelBlockExtent(image_info->format);
+        if (FormatIsCompressed(image_info->format)) {
+            auto block_extent = FormatCompressedTexelBlockExtent(image_info->format);
             if (image_extent.width % block_extent.width) {
                 image_extent.width += (block_extent.width - (image_extent.width % block_extent.width));
             }
@@ -2900,18 +2900,18 @@
 
         VkDeviceSize buffer_width = (0 == pRegions[i].bufferRowLength ? copy_extent.width : pRegions[i].bufferRowLength);
         VkDeviceSize buffer_height = (0 == pRegions[i].bufferImageHeight ? copy_extent.height : pRegions[i].bufferImageHeight);
-        VkDeviceSize unit_size = VkFormatGetSize(image_state->createInfo.format);  // size (bytes) of texel or block
+        VkDeviceSize unit_size = FormatSize(image_state->createInfo.format);  // size (bytes) of texel or block
 
         // Handle special buffer packing rules for specific depth/stencil formats
         if (pRegions[i].imageSubresource.aspectMask & VK_IMAGE_ASPECT_STENCIL_BIT) {
-            unit_size = VkFormatGetSize(VK_FORMAT_S8_UINT);
+            unit_size = FormatSize(VK_FORMAT_S8_UINT);
         } else if (pRegions[i].imageSubresource.aspectMask & VK_IMAGE_ASPECT_DEPTH_BIT) {
             switch (image_state->createInfo.format) {
                 case VK_FORMAT_D16_UNORM_S8_UINT:
-                    unit_size = VkFormatGetSize(VK_FORMAT_D16_UNORM);
+                    unit_size = FormatSize(VK_FORMAT_D16_UNORM);
                     break;
                 case VK_FORMAT_D32_SFLOAT_S8_UINT:
-                    unit_size = VkFormatGetSize(VK_FORMAT_D32_SFLOAT);
+                    unit_size = FormatSize(VK_FORMAT_D32_SFLOAT);
                     break;
                 case VK_FORMAT_X8_D24_UNORM_PACK32:  // Fall through
                 case VK_FORMAT_D24_UNORM_S8_UINT:
@@ -2922,9 +2922,9 @@
             }
         }
 
-        if (VkFormatIsCompressed(image_state->createInfo.format)) {
+        if (FormatIsCompressed(image_state->createInfo.format)) {
             // Switch to texel block units, rounding up for any partially-used blocks
-            auto block_dim = VkFormatCompressedTexelBlockExtent(image_state->createInfo.format);
+            auto block_dim = FormatCompressedTexelBlockExtent(image_state->createInfo.format);
             buffer_width = (buffer_width + block_dim.width - 1) / block_dim.width;
             buffer_height = (buffer_height + block_dim.height - 1) / block_dim.height;
 
@@ -3147,7 +3147,7 @@
 
     // VU 00741: subresource's aspect must be compatible with image's format.
     const VkFormat img_format = image_entry->createInfo.format;
-    if (VkFormatIsColor(img_format)) {
+    if (FormatIsColor(img_format)) {
         if (sub_aspect != VK_IMAGE_ASPECT_COLOR_BIT) {
             skip |= log_msg(
                 report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
@@ -3155,7 +3155,7 @@
                 "vkGetImageSubresourceLayout(): For color formats, VkImageSubresource.aspectMask must be VK_IMAGE_ASPECT_COLOR. %s",
                 validation_error_map[VALIDATION_ERROR_00741]);
         }
-    } else if (VkFormatIsDepthOrStencil(img_format)) {
+    } else if (FormatIsDepthOrStencil(img_format)) {
         if ((sub_aspect != VK_IMAGE_ASPECT_DEPTH_BIT) && (sub_aspect != VK_IMAGE_ASPECT_STENCIL_BIT)) {
             skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                             reinterpret_cast<uint64_t &>(image), __LINE__, VALIDATION_ERROR_00741, "IMAGE",
diff --git a/layers/core_validation.cpp b/layers/core_validation.cpp
index 954f7ed..dfed7eb 100644
--- a/layers/core_validation.cpp
+++ b/layers/core_validation.cpp
@@ -4845,7 +4845,7 @@
                 size = mem_info->alloc_info.allocationSize - offset;
             }
             mem_info->shadow_pad_size = dev_data->phys_dev_properties.properties.limits.minMemoryMapAlignment;
-            assert(VkSafeModulo(mem_info->shadow_pad_size,
+            assert(SafeModulo(mem_info->shadow_pad_size,
                                   dev_data->phys_dev_properties.properties.limits.minMemoryMapAlignment) == 0);
             // Ensure start of mapped region reflects hardware alignment constraints
             uint64_t map_alignment = dev_data->phys_dev_properties.properties.limits.minMemoryMapAlignment;
@@ -4860,7 +4860,7 @@
                 reinterpret_cast<char *>((reinterpret_cast<uintptr_t>(mem_info->shadow_copy_base) + map_alignment) &
                                          ~(map_alignment - 1)) +
                 start_offset;
-            assert(VkSafeModulo(reinterpret_cast<uintptr_t>(mem_info->shadow_copy) + mem_info->shadow_pad_size - start_offset,
+            assert(SafeModulo(reinterpret_cast<uintptr_t>(mem_info->shadow_copy) + mem_info->shadow_pad_size - start_offset,
                                   map_alignment) == 0);
 
             memset(mem_info->shadow_copy, NoncoherentMemoryFillValue, static_cast<size_t>(2 * mem_info->shadow_pad_size + size));
@@ -5558,7 +5558,7 @@
         }
 
         // Validate memory requirements alignment
-        if (VkSafeModulo(memoryOffset, buffer_state->requirements.alignment) != 0) {
+        if (SafeModulo(memoryOffset, buffer_state->requirements.alignment) != 0) {
             skip |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT,
                             buffer_handle, __LINE__, VALIDATION_ERROR_02174, "DS",
                             "vkBindBufferMemory(): memoryOffset is 0x%" PRIxLEAST64
@@ -5603,7 +5603,7 @@
 
         for (int i = 0; i < 3; i++) {
             if (usage & usage_list[i]) {
-                if (VkSafeModulo(memoryOffset, offset_requirement[i]) != 0) {
+                if (SafeModulo(memoryOffset, offset_requirement[i]) != 0) {
                     skip |= log_msg(
                         dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_BUFFER_EXT, buffer_handle,
                         __LINE__, msgCode[i], "DS", "vkBindBufferMemory(): %s memoryOffset is 0x%" PRIxLEAST64
@@ -7376,7 +7376,7 @@
                         uint32_t cur_dyn_offset = total_dynamic_descriptors;
                         for (uint32_t d = 0; d < descriptor_set->GetTotalDescriptorCount(); d++) {
                             if (descriptor_set->GetTypeFromGlobalIndex(d) == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC) {
-                                if (VkSafeModulo(
+                                if (SafeModulo(
                                         pDynamicOffsets[cur_dyn_offset],
                                         dev_data->phys_dev_properties.properties.limits.minUniformBufferOffsetAlignment) != 0) {
                                     skip |= log_msg(
@@ -7390,7 +7390,7 @@
                                 }
                                 cur_dyn_offset++;
                             } else if (descriptor_set->GetTypeFromGlobalIndex(d) == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC) {
-                                if (VkSafeModulo(
+                                if (SafeModulo(
                                         pDynamicOffsets[cur_dyn_offset],
                                         dev_data->phys_dev_properties.properties.limits.minStorageBufferOffsetAlignment) != 0) {
                                     skip |= log_msg(
@@ -9486,8 +9486,8 @@
     if (color_depth_op != op && stencil_op != op) {
         return false;
     }
-    bool check_color_depth_load_op = !VkFormatIsStencilOnly(format);
-    bool check_stencil_load_op = VkFormatIsDepthAndStencil(format) || !check_color_depth_load_op;
+    bool check_color_depth_load_op = !FormatIsStencilOnly(format);
+    bool check_stencil_load_op = FormatIsDepthAndStencil(format) || !check_color_depth_load_op;
 
     return (((check_color_depth_load_op == true) && (color_depth_op == op)) ||
             ((check_stencil_load_op == true) && (stencil_op == op)));
@@ -10153,14 +10153,14 @@
     bool skip = false;
     for (uint32_t i = 0; i < mem_range_count; ++i) {
         uint64_t atom_size = dev_data->phys_dev_properties.properties.limits.nonCoherentAtomSize;
-        if (VkSafeModulo(mem_ranges[i].offset, atom_size) != 0) {
+        if (SafeModulo(mem_ranges[i].offset, atom_size) != 0) {
             skip |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT,
                             reinterpret_cast<const uint64_t &>(mem_ranges->memory), __LINE__, VALIDATION_ERROR_00644, "MEM",
                             "%s: Offset in pMemRanges[%d] is 0x%" PRIxLEAST64
                             ", which is not a multiple of VkPhysicalDeviceLimits::nonCoherentAtomSize (0x%" PRIxLEAST64 "). %s",
                             func_name, i, mem_ranges[i].offset, atom_size, validation_error_map[VALIDATION_ERROR_00644]);
         }
-        if ((mem_ranges[i].size != VK_WHOLE_SIZE) && (VkSafeModulo(mem_ranges[i].size, atom_size) != 0)) {
+        if ((mem_ranges[i].size != VK_WHOLE_SIZE) && (SafeModulo(mem_ranges[i].size, atom_size) != 0)) {
             skip |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_DEVICE_MEMORY_EXT,
                             reinterpret_cast<const uint64_t &>(mem_ranges->memory), __LINE__, VALIDATION_ERROR_00645, "MEM",
                             "%s: Size in pMemRanges[%d] is 0x%" PRIxLEAST64
@@ -10253,7 +10253,7 @@
         }
 
         // Validate memory requirements alignment
-        if (VkSafeModulo(memoryOffset, image_state->requirements.alignment) != 0) {
+        if (SafeModulo(memoryOffset, image_state->requirements.alignment) != 0) {
             skip |= log_msg(dev_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_IMAGE_EXT,
                             image_handle, __LINE__, VALIDATION_ERROR_02178, "DS",
                             "vkBindImageMemory(): memoryOffset is 0x%" PRIxLEAST64
diff --git a/layers/descriptor_sets.cpp b/layers/descriptor_sets.cpp
index fbaa2dc..84663c4 100644
--- a/layers/descriptor_sets.cpp
+++ b/layers/descriptor_sets.cpp
@@ -785,7 +785,7 @@
     }
     // TODO : The various image aspect and format checks here are based on general spec language in 11.5 Image Views section under
     // vkCreateImageView(). What's the best way to create unique id for these cases?
-    bool ds = VkFormatIsDepthOrStencil(format);
+    bool ds = FormatIsDepthOrStencil(format);
     switch (image_layout) {
         case VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL:
             // Only Color bit must be set
diff --git a/layers/parameter_validation.cpp b/layers/parameter_validation.cpp
index a11c3d4..bc41f12 100644
--- a/layers/parameter_validation.cpp
+++ b/layers/parameter_validation.cpp
@@ -2543,7 +2543,7 @@
     if (pCreateInfo != nullptr) {
 
         if ((device_data->physical_device_features.textureCompressionETC2 == false) &&
-            VkFormatIsCompressed_ETC2_EAC(pCreateInfo->format)) {
+            FormatIsCompressed_ETC2_EAC(pCreateInfo->format)) {
             skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0, __LINE__,
                             DEVICE_FEATURE, LayerName,
                             "vkCreateImage(): Attempting to create VkImage with format %s. The textureCompressionETC2 feature is "
@@ -2552,7 +2552,7 @@
         }
 
         if ((device_data->physical_device_features.textureCompressionASTC_LDR == false) &&
-            VkFormatIsCompressed_ASTC_LDR(pCreateInfo->format)) {
+            FormatIsCompressed_ASTC_LDR(pCreateInfo->format)) {
             skip |=
                 log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0, __LINE__,
                         DEVICE_FEATURE, LayerName,
@@ -2562,7 +2562,7 @@
         }
 
         if ((device_data->physical_device_features.textureCompressionBC == false) &&
-            VkFormatIsCompressed_BC(pCreateInfo->format)) {
+            FormatIsCompressed_BC(pCreateInfo->format)) {
             skip |= log_msg(report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT, VK_DEBUG_REPORT_OBJECT_TYPE_UNKNOWN_EXT, 0, __LINE__,
                             DEVICE_FEATURE, LayerName,
                             "vkCreateImage(): Attempting to create VkImage with format %s. The textureCompressionBC feature is "
@@ -3875,7 +3875,7 @@
                 VkDeviceSize uniformAlignment = device_data->device_limits.minUniformBufferOffsetAlignment;
                 for (uint32_t j = 0; j < pDescriptorWrites[i].descriptorCount; j++) {
                     if (pDescriptorWrites[i].pBufferInfo != NULL) {
-                        if (VkSafeModulo(pDescriptorWrites[i].pBufferInfo[j].offset, uniformAlignment) != 0) {
+                        if (SafeModulo(pDescriptorWrites[i].pBufferInfo[j].offset, uniformAlignment) != 0) {
                             skip |= log_msg(
                                 device_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                 VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, 0, __LINE__, VALIDATION_ERROR_00944, LayerName,
@@ -3891,7 +3891,7 @@
                 VkDeviceSize storageAlignment = device_data->device_limits.minStorageBufferOffsetAlignment;
                 for (uint32_t j = 0; j < pDescriptorWrites[i].descriptorCount; j++) {
                     if (pDescriptorWrites[i].pBufferInfo != NULL) {
-                        if (VkSafeModulo(pDescriptorWrites[i].pBufferInfo[j].offset, storageAlignment) != 0) {
+                        if (SafeModulo(pDescriptorWrites[i].pBufferInfo[j].offset, storageAlignment) != 0) {
                             skip |= log_msg(
                                 device_data->report_data, VK_DEBUG_REPORT_ERROR_BIT_EXT,
                                 VK_DEBUG_REPORT_OBJECT_TYPE_PHYSICAL_DEVICE_EXT, 0, __LINE__, VALIDATION_ERROR_00945, LayerName,
diff --git a/layers/vk_format_utils.cpp b/layers/vk_format_utils.cpp
index d5b1331..ee6233f 100644
--- a/layers/vk_format_utils.cpp
+++ b/layers/vk_format_utils.cpp
@@ -236,7 +236,7 @@
 // clang-format on
 
 // Return true if format is an ETC2 or EAC compressed texture format
-VK_LAYER_EXPORT bool VkFormatIsCompressed_ETC2_EAC(VkFormat format) {
+VK_LAYER_EXPORT bool FormatIsCompressed_ETC2_EAC(VkFormat format) {
     bool found = false;
 
     switch (format) {
@@ -259,7 +259,7 @@
 }
 
 // Return true if format is an ETC2 or EAC compressed texture format
-VK_LAYER_EXPORT bool VkFormatIsCompressed_ASTC_LDR(VkFormat format) {
+VK_LAYER_EXPORT bool FormatIsCompressed_ASTC_LDR(VkFormat format) {
     bool found = false;
 
     switch (format) {
@@ -300,7 +300,7 @@
 }
 
 // Return true if format is a BC compressed texture format
-VK_LAYER_EXPORT bool VkFormatIsCompressed_BC(VkFormat format) {
+VK_LAYER_EXPORT bool FormatIsCompressed_BC(VkFormat format) {
     bool found = false;
 
     switch (format) {
@@ -329,12 +329,12 @@
 }
 
 // Return true if format is a depth or stencil format
-VK_LAYER_EXPORT bool VkFormatIsDepthOrStencil(VkFormat format) {
-    return (VkFormatIsDepthAndStencil(format) || VkFormatIsDepthOnly(format) || VkFormatIsStencilOnly(format));
+VK_LAYER_EXPORT bool FormatIsDepthOrStencil(VkFormat format) {
+    return (FormatIsDepthAndStencil(format) || FormatIsDepthOnly(format) || FormatIsStencilOnly(format));
 }
 
 // Return true if format contains depth and stencil information
-VK_LAYER_EXPORT bool VkFormatIsDepthAndStencil(VkFormat format) {
+VK_LAYER_EXPORT bool FormatIsDepthAndStencil(VkFormat format) {
     bool is_ds = false;
 
     switch (format) {
@@ -350,10 +350,10 @@
 }
 
 // Return true if format is a stencil-only format
-VK_LAYER_EXPORT bool VkFormatIsStencilOnly(VkFormat format) { return (format == VK_FORMAT_S8_UINT); }
+VK_LAYER_EXPORT bool FormatIsStencilOnly(VkFormat format) { return (format == VK_FORMAT_S8_UINT); }
 
 // Return true if format is a depth-only format
-VK_LAYER_EXPORT bool VkFormatIsDepthOnly(VkFormat format) {
+VK_LAYER_EXPORT bool FormatIsDepthOnly(VkFormat format) {
     bool is_depth = false;
 
     switch (format) {
@@ -370,7 +370,7 @@
 }
 
 // Return true if format is of type NORM
-VK_LAYER_EXPORT bool VkFormatIsNorm(VkFormat format) {
+VK_LAYER_EXPORT bool FormatIsNorm(VkFormat format) {
     bool is_norm = false;
 
     switch (format) {
@@ -445,7 +445,7 @@
 };
 
 // Return true if format is of type UNORM
-VK_LAYER_EXPORT bool VkFormatIsUNorm(VkFormat format) {
+VK_LAYER_EXPORT bool FormatIsUNorm(VkFormat format) {
     bool is_unorm = false;
 
     switch (format) {
@@ -503,7 +503,7 @@
 };
 
 // Return true if format is of type SNORM
-VK_LAYER_EXPORT bool VkFormatIsSNorm(VkFormat format) {
+VK_LAYER_EXPORT bool FormatIsSNorm(VkFormat format) {
     bool is_snorm = false;
 
     switch (format) {
@@ -534,10 +534,10 @@
 };
 
 // Return true if format is an integer format
-VK_LAYER_EXPORT bool VkFormatIsInt(VkFormat format) { return (VkFormatIsSInt(format) || VkFormatIsUInt(format)); }
+VK_LAYER_EXPORT bool FormatIsInt(VkFormat format) { return (FormatIsSInt(format) || FormatIsUInt(format)); }
 
 // Return true if format is an unsigned integer format
-VK_LAYER_EXPORT bool VkFormatIsUInt(VkFormat format) {
+VK_LAYER_EXPORT bool FormatIsUInt(VkFormat format) {
     bool is_uint = false;
 
     switch (format) {
@@ -572,7 +572,7 @@
 }
 
 // Return true if format is a signed integer format
-VK_LAYER_EXPORT bool VkFormatIsSInt(VkFormat format) {
+VK_LAYER_EXPORT bool FormatIsSInt(VkFormat format) {
     bool is_sint = false;
 
     switch (format) {
@@ -607,7 +607,7 @@
 }
 
 // Return true if format is a floating-point format
-VK_LAYER_EXPORT bool VkFormatIsFloat(VkFormat format) {
+VK_LAYER_EXPORT bool FormatIsFloat(VkFormat format) {
     bool is_float = false;
 
     switch (format) {
@@ -637,7 +637,7 @@
 }
 
 // Return true if format is in the SRGB colorspace
-VK_LAYER_EXPORT bool VkFormatIsSRGB(VkFormat format) {
+VK_LAYER_EXPORT bool FormatIsSRGB(VkFormat format) {
     bool is_srgb = false;
 
     switch (format) {
@@ -679,7 +679,7 @@
 }
 
 // Return true if format is in the USCALED colorspace
-VK_LAYER_EXPORT bool VkFormatIsUScaled(VkFormat format) {
+VK_LAYER_EXPORT bool FormatIsUScaled(VkFormat format) {
     bool is_uscaled = false;
 
     switch (format) {
@@ -706,7 +706,7 @@
 }
 
 // Return true if format is in the SSCALED colorspace
-VK_LAYER_EXPORT bool VkFormatIsSScaled(VkFormat format) {
+VK_LAYER_EXPORT bool FormatIsSScaled(VkFormat format) {
     bool is_sscaled = false;
 
     switch (format) {
@@ -733,7 +733,7 @@
 }
 
 // Return true if format is compressed
-VK_LAYER_EXPORT bool VkFormatIsCompressed(VkFormat format) {
+VK_LAYER_EXPORT bool FormatIsCompressed(VkFormat format) {
     switch (format) {
         case VK_FORMAT_BC1_RGB_UNORM_BLOCK:
         case VK_FORMAT_BC1_RGB_SRGB_BLOCK:
@@ -796,7 +796,7 @@
 }
 
 // Return compressed texel block sizes for block compressed formats
-VK_LAYER_EXPORT VkExtent3D VkFormatCompressedTexelBlockExtent(VkFormat format) {
+VK_LAYER_EXPORT VkExtent3D FormatCompressedTexelBlockExtent(VkFormat format) {
     VkExtent3D block_size = {1, 1, 1};
     switch (format) {
         case VK_FORMAT_BC1_RGB_UNORM_BLOCK:
@@ -888,7 +888,7 @@
 }
 
 // Return format class of the specified format
-VK_LAYER_EXPORT VkFormatCompatibilityClass VkFormatGetCompatibilityClass(VkFormat format) {
+VK_LAYER_EXPORT VkFormatCompatibilityClass FormatCompatibilityClass(VkFormat format) {
     auto item = vk_format_table.find(format);
     if (item != vk_format_table.end()) {
         return item->second.format_class;
@@ -897,7 +897,7 @@
 }
 
 // Return size, in bytes, of a pixel of the specified format
-VK_LAYER_EXPORT size_t VkFormatGetSize(VkFormat format) {
+VK_LAYER_EXPORT size_t FormatSize(VkFormat format) {
     auto item = vk_format_table.find(format);
     if (item != vk_format_table.end()) {
         return item->second.size;
@@ -906,7 +906,7 @@
 }
 
 // Return the number of channels for a given format
-unsigned int VkFormatGetChannelCount(VkFormat format) {
+unsigned int FormatChannelCount(VkFormat format) {
     auto item = vk_format_table.find(format);
     if (item != vk_format_table.end()) {
         return item->second.channel_count;
@@ -915,7 +915,7 @@
 }
 
 // Perform a zero-tolerant modulo operation
-VK_LAYER_EXPORT VkDeviceSize VkSafeModulo(VkDeviceSize dividend, VkDeviceSize divisor) {
+VK_LAYER_EXPORT VkDeviceSize SafeModulo(VkDeviceSize dividend, VkDeviceSize divisor) {
     VkDeviceSize result = 0;
     if (divisor != 0) {
         result = dividend % divisor;
diff --git a/layers/vk_format_utils.h b/layers/vk_format_utils.h
index a87ae0d..ea393ae 100644
--- a/layers/vk_format_utils.h
+++ b/layers/vk_format_utils.h
@@ -87,45 +87,35 @@
     VK_FORMAT_COMPATIBILITY_CLASS_MAX_ENUM = 45
 } VkFormatCompatibilityClass;
 
-static inline bool VkFormatIsUndef(VkFormat format) { return (format == VK_FORMAT_UNDEFINED); }
+VK_LAYER_EXPORT bool FormatIsDepthOrStencil(VkFormat format);
+VK_LAYER_EXPORT bool FormatIsDepthAndStencil(VkFormat format);
+VK_LAYER_EXPORT bool FormatIsDepthOnly(VkFormat format);
+VK_LAYER_EXPORT bool FormatIsStencilOnly(VkFormat format);
+VK_LAYER_EXPORT bool FormatIsCompressed_ETC2_EAC(VkFormat format);
+VK_LAYER_EXPORT bool FormatIsCompressed_ASTC_LDR(VkFormat format);
+VK_LAYER_EXPORT bool FormatIsCompressed_BC(VkFormat format);
+VK_LAYER_EXPORT bool FormatIsNorm(VkFormat format);
+VK_LAYER_EXPORT bool FormatIsUNorm(VkFormat format);
+VK_LAYER_EXPORT bool FormatIsSNorm(VkFormat format);
+VK_LAYER_EXPORT bool FormatIsInt(VkFormat format);
+VK_LAYER_EXPORT bool FormatIsSInt(VkFormat format);
+VK_LAYER_EXPORT bool FormatIsUInt(VkFormat format);
+VK_LAYER_EXPORT bool FormatIsFloat(VkFormat format);
+VK_LAYER_EXPORT bool FormatIsSRGB(VkFormat format);
+VK_LAYER_EXPORT bool FormatIsUScaled(VkFormat format);
+VK_LAYER_EXPORT bool FormatIsSScaled(VkFormat format);
+VK_LAYER_EXPORT bool FormatIsCompressed(VkFormat format);
 
-VK_LAYER_EXPORT bool VkFormatIsDepthOrStencil(VkFormat format);
-VK_LAYER_EXPORT bool VkFormatIsDepthAndStencil(VkFormat format);
-VK_LAYER_EXPORT bool VkFormatIsDepthOnly(VkFormat format);
-VK_LAYER_EXPORT bool VkFormatIsStencilOnly(VkFormat format);
-VK_LAYER_EXPORT bool VkFormatIsCompressed_ETC2_EAC(VkFormat format);
-VK_LAYER_EXPORT bool VkFormatIsCompressed_ASTC_LDR(VkFormat format);
-VK_LAYER_EXPORT bool VkFormatIsCompressed_BC(VkFormat format);
-VK_LAYER_EXPORT bool VkFormatIsNorm(VkFormat format);
-VK_LAYER_EXPORT bool VkFormatIsUNorm(VkFormat format);
-VK_LAYER_EXPORT bool VkFormatIsSNorm(VkFormat format);
-VK_LAYER_EXPORT bool VkFormatIsInt(VkFormat format);
-VK_LAYER_EXPORT bool VkFormatIsSInt(VkFormat format);
-VK_LAYER_EXPORT bool VkFormatIsUInt(VkFormat format);
-VK_LAYER_EXPORT bool VkFormatIsFloat(VkFormat format);
-VK_LAYER_EXPORT bool VkFormatIsSRGB(VkFormat format);
-VK_LAYER_EXPORT bool VkFormatIsUScaled(VkFormat format);
-VK_LAYER_EXPORT bool VkFormatIsSScaled(VkFormat format);
-VK_LAYER_EXPORT bool VkFormatIsCompressed(VkFormat format);
+static inline bool FormatIsUndef(VkFormat format) { return (format == VK_FORMAT_UNDEFINED); }
+static inline bool FormatIsColor(VkFormat format) { return !(FormatIsUndef(format) || FormatIsDepthOrStencil(format)); }
+static inline bool FormatHasDepth(VkFormat format) { return (FormatIsDepthOnly(format) || FormatIsDepthAndStencil(format)); }
+static inline bool FormatHasStencil(VkFormat format) { return (FormatIsStencilOnly(format) || FormatIsDepthAndStencil(format)); }
 
-static inline bool VkFormatIsColor(VkFormat format) {
-    return !(VkFormatIsUndef(format) || VkFormatIsDepthOrStencil(format));
-}
-
-static inline bool VkFormatHasDepth(VkFormat format) {
-    return (VkFormatIsDepthOnly(format) || VkFormatIsDepthAndStencil(format));
-}
-
-static inline bool VkFormatHasStencil(VkFormat format) {
-    return (VkFormatIsStencilOnly(format) || VkFormatIsDepthAndStencil(format));
-}
-
-VK_LAYER_EXPORT VkExtent3D VkFormatCompressedTexelBlockExtent(VkFormat format);
-VK_LAYER_EXPORT size_t VkFormatGetSize(VkFormat format);
-VK_LAYER_EXPORT unsigned int VkFormatGetChannelCount(VkFormat format);
-VK_LAYER_EXPORT VkFormatCompatibilityClass VkFormatGetCompatibilityClass(VkFormat format);
-
-VK_LAYER_EXPORT VkDeviceSize VkSafeModulo(VkDeviceSize dividend, VkDeviceSize divisor);
+VK_LAYER_EXPORT VkExtent3D FormatCompressedTexelBlockExtent(VkFormat format);
+VK_LAYER_EXPORT size_t FormatSize(VkFormat format);
+VK_LAYER_EXPORT unsigned int FormatChannelCount(VkFormat format);
+VK_LAYER_EXPORT VkFormatCompatibilityClass FormatCompatibilityClass(VkFormat format);
+VK_LAYER_EXPORT VkDeviceSize SafeModulo(VkDeviceSize dividend, VkDeviceSize divisor);
 
 #ifdef __cplusplus
 }