# opencv-patch

**Repository Path**: jiejietop/opencv-patch

## Basic Information

- **Project Name**: opencv-patch
- **Description**: opencv 补丁仓库
- **Primary Language**: Unknown
- **License**: Apache-2.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2022-06-15
- **Last Updated**: 2023-03-08

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# opencv 补丁

## opencv 4.1.1

0001-fix-opencv-v4.1.1-gl-version-bug.patch : 修复opencv在Xavier上依赖gl的问题。
参考连接： [https://jkjung-avt.github.io/opencv3-on-tx2/](https://jkjung-avt.github.io/opencv3-on-tx2/)

```bash
From 1f9209e89b4e7a60f85ab0f1df80e575ade3554d Mon Sep 17 00:00:00 2001
From: jiejie <jiejietop@gmail.com>
Date: Wed, 15 Jun 2022 12:23:01 +0800
Subject: [PATCH] fix opencv v4.1.1 gl version bug

---
 modules/core/src/opengl.cpp | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/modules/core/src/opengl.cpp b/modules/core/src/opengl.cpp
index b8decd508a..5ff3c717b6 100644
--- a/modules/core/src/opengl.cpp
+++ b/modules/core/src/opengl.cpp
@@ -45,6 +45,13 @@
 #ifdef HAVE_OPENGL
 #  include "gl_core_3_1.hpp"
 #  ifdef HAVE_CUDA
+#    if (defined(__arm__) || defined(__aarch64__)) \
+         && !defined(OPENCV_SKIP_CUDA_OPENGL_ARM_WORKAROUND)
+#      include <GL/gl.h>
+#      ifndef GL_VERSION
+#        define GL_VERSION 0x1F02
+#      endif
+#    endif
 #    include <cuda_gl_interop.h>
 #  endif
 #else // HAVE_OPENGL
@@ -1682,9 +1689,14 @@ Context& initializeContextFromGL()
     if (found < 0)
         CV_Error(cv::Error::OpenCLInitError, "OpenCL: Can't create context for OpenGL interop");
 
-    Context& ctx = Context::getDefault(false);
-    initializeContextFromHandle(ctx, platforms[found], context, device);
-    return ctx;
+    cl_platform_id platform = platforms[found];
+    std::string platformName = PlatformInfo(&platform).name();
+
+    OpenCLExecutionContext clExecCtx = OpenCLExecutionContext::create(platformName, platform, context, device);
+    clReleaseDevice(device);
+    clReleaseContext(context);
+    clExecCtx.bind();
+    return const_cast<Context&>(clExecCtx.getContext());
 #endif
 }
 
-- 
2.25.1

```