Differential D10994 Diff 26581 files/Support-building-with-OpenEXR-3.patch

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files/Support-building-with-OpenEXR-3.patch

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				From 4aa7fc0cbf5259f388d777f2a4d0bf2252c2158f Mon Sep 17 00:00:00 2001
				From: Antonio Rojas <arojas@archlinux.org>
				Date: Sat, 24 Apr 2021 12:07:48 +0200
				Subject: [PATCH 1/2] Support OpenEXR 3.0

				Try to find OpenEXR 3.0 using the upstream cmake config, and fallback to the previous algorithm if not found
				---
				cmake/OpenCVFindOpenEXR.cmake \| 8 ++++++++
				1 file changed, 8 insertions(+)

				diff --git a/cmake/OpenCVFindOpenEXR.cmake b/cmake/OpenCVFindOpenEXR.cmake
				index ef633e853adc..133468243a84 100644
				--- a/cmake/OpenCVFindOpenEXR.cmake
				+++ b/cmake/OpenCVFindOpenEXR.cmake
				@@ -9,6 +9,14 @@
				# OPENEXR_LIBRARIES = libraries that are needed to use OpenEXR.
				#

				+find_package(OpenEXR 3.0 CONFIG QUIET)
				+if(TARGET OpenEXR::OpenEXR)
				+ SET(OPENEXR_FOUND TRUE)
				+ SET(OPENEXR_LIBRARIES OpenEXR::OpenEXR)
				+ SET(OPENEXR_VERSION ${OpenEXR_VERSION})
				+ return()
				+endif()
				+
				SET(OPENEXR_LIBRARIES "")
				SET(OPENEXR_LIBSEARCH_SUFFIXES "")
				file(TO_CMAKE_PATH "$ENV{ProgramFiles}" ProgramFiles_ENV_PATH)

				From 032339ab950fd05c5577765b86498e97623a09db Mon Sep 17 00:00:00 2001
				From: Antonio Rojas <arojas@archlinux.org>
				Date: Sat, 24 Apr 2021 12:09:51 +0200
				Subject: [PATCH 2/2] Add explicit ImfFrameBuffer.h include

				This was transitively included with OpenEXR 2.x, but that's no longer the case with OpenEXR 3.x
				---
				modules/imgcodecs/src/grfmt_exr.cpp \| 1 +
				1 file changed, 1 insertion(+)

				diff --git a/modules/imgcodecs/src/grfmt_exr.cpp b/modules/imgcodecs/src/grfmt_exr.cpp
				index 9242871f8dde..aaf28eead6f7 100644
				--- a/modules/imgcodecs/src/grfmt_exr.cpp
				+++ b/modules/imgcodecs/src/grfmt_exr.cpp
				@@ -56,6 +56,7 @@
				#include <iostream>
				#include <stdexcept>

				+#include <ImfFrameBuffer.h>
				#include <ImfHeader.h>
				#include <ImfInputFile.h>
				#include <ImfOutputFile.h>