C++ OpenGL EGL在docker中的eglGetDisplay处返回0x300c(EGL_BAD_参数)
我试图运行一个简单的示例,在docker容器中设置EGL上下文。但是,我一直收到以下错误消息:C++ OpenGL EGL在docker中的eglGetDisplay处返回0x300c(EGL_BAD_参数),c++,docker,ubuntu,opengl,egl,C++,Docker,Ubuntu,Opengl,Egl,我试图运行一个简单的示例,在docker容器中设置EGL上下文。但是,我一直收到以下错误消息: Detected 0 devices terminate called after throwing an instance of 'std::runtime_error' what(): EGL error 0x300c at eglGetDisplay Aborted 基本上,eglquerydevicext返回0,eglGetPlatformDisplayEXT返回错误代码0x300c(
Detected 0 devices
terminate called after throwing an instance of 'std::runtime_error'
what(): EGL error 0x300c at eglGetDisplay
Aborted
基本上,eglquerydevicext
返回0,eglGetPlatformDisplayEXT
返回错误代码0x300c(EGL\u BAD\u参数)
我试过:
apt get install libgl1 mesa dev
和apt get install libgl1 mesa dev
安装了openGL
和ELG
。CMake可以找到组件GL::GL
和EGL::EGL
我尝试了手动链接到libEGL.so
,也尝试了在CMake中使用find_package
这快把我逼疯了!我不明白为什么EGL不能检测设备?如何解决此错误
这是我的全部代码。我还尝试了EGLDisplay eglDpy=eglGetDisplay(EGL\u DEFAULT\u DISPLAY)代码>这给了我同样的错误。谢谢
#include <EGL/egl.h>
#include <EGL/eglext.h>
void assertEGLError(const std::string& msg) {
EGLint error = eglGetError();
if (error != EGL_SUCCESS) {
std::stringstream s;
s << "EGL error 0x" << std::hex << error << " at " << msg;
throw std::runtime_error(s.str());
}
}
int main(int argc, char *argv[])
{
// 1. Initialize EGL
// EGLDisplay eglDpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
int deviceID = 0; // TODO hardcode
EGLDisplay eglDpy;
EGLConfig config;
EGLContext context;
EGLint num_config;
static const int MAX_DEVICES = 16;
EGLDeviceEXT eglDevs[MAX_DEVICES];
EGLint numDevices;
PFNEGLQUERYDEVICESEXTPROC eglQueryDevicesEXT =
(PFNEGLQUERYDEVICESEXTPROC)eglGetProcAddress("eglQueryDevicesEXT");
eglQueryDevicesEXT(MAX_DEVICES, eglDevs, &numDevices);
printf("Detected %d devices\n", numDevices);
PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplayEXT =
(PFNEGLGETPLATFORMDISPLAYEXTPROC)eglGetProcAddress("eglGetPlatformDisplayEXT");
// Choose device by deviceID
eglDpy = eglGetPlatformDisplayEXT(EGL_PLATFORM_DEVICE_EXT, eglDevs[deviceID], nullptr);
assertEGLError("eglGetDisplay");
return 0;
}
#包括
#包括
void assertegleror(const std::string和msg){
EGLint error=eglGetError();
如果(错误!=EGL_成功){
std::strings;
天啊,我终于解决了这个问题。原来我链接到了服务器上的错误库
我在这篇文章中找到了答案:
关键是链接到/usr/lib/nvidia-410/
中的库,而不是系统默认的/usr/local/lib/x86_64-linux-gnu/libEGL.so
新的CMake
有效:
target_link_libraries(sandbox PRIVATE /usr/lib/nvidia-410/libEGL.so)
target_link_libraries(sandbox PRIVATE /usr/lib/nvidia-410/libGLX.so)
target_link_libraries(sandbox PRIVATE /usr/lib/nvidia-410/libOpenGL.so)
以前,我使用CMake的findOpenGL
搜索链接库,但不起作用
find_package(OpenGL REQUIRED COMPONENTS OpenGL EGL GLX)
include_directories(${OPENGL_INCLUDE_DIRS})
if(OPENGL_FOUND)
message("Found OpenGL in the current environment!")
else()
message("Error: No OpenGL found.")
endif()
message("OpenGL include dirs" )
message("${OPENGL_INCLUDE_DIR}")
message("EGL include dirs" )
message("${OPENGL_EGL_INCLUDE_DIRS}")
if (OpenGL_EGL_FOUND)
message("EGL Found!")
else()
message("EGL Not Found!")
endif()
message(${OPENGL_egl_LIBRARY})
message(${OPENGL_glx_LIBRARY})
message(${OPENGL_opengl_LIBRARY}
再次注意,这不起作用!!
/usr/local/lib/x86_64-linux-gnu/libEGL.so
/usr/local/lib/x86_64-linux-gnu/libGLX.so
/usr/local/lib/x86_64-linux-gnu/libOpenGL.so