use minmal access rights with umat.get

2 years ago · 268bcdc85c
parent 46e4a9012f
commit 268bcdc85c
1 changed files with 2 additions and 2 deletions
--- a/src/common/detail/clglcontext.cpp
+++ b/src/common/detail/clglcontext.cpp
@ -96,14 +96,14 @@ void CLGLContext::end() {
 }

 void CLGLContext::download(cv::UMat& m) {
-    cv::Mat tmp = m.getMat(cv::ACCESS_RW);
+    cv::Mat tmp = m.getMat(cv::ACCESS_WRITE);
    assert(tmp.data != nullptr);
    GL_CHECK(glReadPixels(0, 0, tmp.cols, tmp.rows, GL_RGBA, GL_UNSIGNED_BYTE, tmp.data));
    tmp.release();
 }

 void CLGLContext::upload(const cv::UMat& m) {
-    cv::Mat tmp = m.getMat(cv::ACCESS_RW);
+    cv::Mat tmp = m.getMat(cv::ACCESS_READ);
    assert(tmp.data != nullptr);
    GL_CHECK(glTexSubImage2D(
        GL_TEXTURE_2D,