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-rw-r--r--layers/image.cpp22
1 files changed, 22 insertions, 0 deletions
diff --git a/layers/image.cpp b/layers/image.cpp
index 8d789c68..f2118e77 100644
--- a/layers/image.cpp
+++ b/layers/image.cpp
@@ -1033,6 +1033,28 @@ CmdBlitImage(VkCommandBuffer commandBuffer, VkImage srcImage, VkImageLayout srcI
bool skipCall = false;
layer_data *device_data = get_my_data_ptr(get_dispatch_key(commandBuffer), layer_data_map);
+ // Warn for zero-sized regions
+ for (uint32_t i = 0; i < regionCount; i++) {
+ if ((pRegions[i].srcOffsets[0].x == pRegions[i].srcOffsets[1].x) ||
+ (pRegions[i].srcOffsets[0].y == pRegions[i].srcOffsets[1].y) ||
+ (pRegions[i].srcOffsets[0].z == pRegions[i].srcOffsets[1].z)) {
+ std::stringstream ss;
+ ss << "vkCmdBlitImage: pRegions[" << i << "].srcOffsets specify a zero-volume area.";
+ skipCall |= log_msg(device_data->report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT,
+ VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, reinterpret_cast<uint64_t>(commandBuffer),
+ __LINE__, IMAGE_INVALID_EXTENTS, "IMAGE", "%s", ss.str().c_str());
+ }
+ if ((pRegions[i].dstOffsets[0].x == pRegions[i].dstOffsets[1].x) ||
+ (pRegions[i].dstOffsets[0].y == pRegions[i].dstOffsets[1].y) ||
+ (pRegions[i].dstOffsets[0].z == pRegions[i].dstOffsets[1].z)) {
+ std::stringstream ss;
+ ss << "vkCmdBlitImage: pRegions[" << i << "].dstOffsets specify a zero-volume area.";
+ skipCall |= log_msg(device_data->report_data, VK_DEBUG_REPORT_WARNING_BIT_EXT,
+ VK_DEBUG_REPORT_OBJECT_TYPE_COMMAND_BUFFER_EXT, reinterpret_cast<uint64_t>(commandBuffer),
+ __LINE__, IMAGE_INVALID_EXTENTS, "IMAGE", "%s", ss.str().c_str());
+ }
+ }
+
auto srcImageEntry = getImageState(device_data, srcImage);
auto dstImageEntry = getImageState(device_data, dstImage);