diff options
Diffstat (limited to 'platform/default/headless_view.cpp')
| -rw-r--r-- | platform/default/headless_view.cpp | 46 |
1 files changed, 25 insertions, 21 deletions
diff --git a/platform/default/headless_view.cpp b/platform/default/headless_view.cpp index b0fa60fc12..d85910875f 100644 --- a/platform/default/headless_view.cpp +++ b/platform/default/headless_view.cpp @@ -52,32 +52,36 @@ HeadlessView::HeadlessView(std::shared_ptr<HeadlessDisplay> display) void HeadlessView::loadExtensions() { make_active(); - const std::string extensions = (char *)MBGL_CHECK_ERROR(glGetString(GL_EXTENSIONS)); + const char *extension_ptr = (char *)MBGL_CHECK_ERROR(glGetString(GL_EXTENSIONS)); + + if (extension_ptr) { + const std::string extensions = extension_ptr; #ifdef MBGL_USE_CGL - if (extensions.find("GL_APPLE_vertex_array_object") != std::string::npos) { - gl::BindVertexArray = (gl::PFNGLBINDVERTEXARRAYPROC)CGLGetProcAddress("glBindVertexArrayAPPLE"); - gl::DeleteVertexArrays = (gl::PFNGLDELETEVERTEXARRAYSPROC)CGLGetProcAddress("glDeleteVertexArraysAPPLE"); - gl::GenVertexArrays = (gl::PFNGLGENVERTEXARRAYSPROC)CGLGetProcAddress("glGenVertexArraysAPPLE"); - gl::IsVertexArray = (gl::PFNGLISVERTEXARRAYPROC)CGLGetProcAddress("glIsVertexArrayAPPLE"); - assert(gl::BindVertexArray != nullptr); - assert(gl::DeleteVertexArrays != nullptr); - assert(gl::GenVertexArrays != nullptr); - assert(gl::IsVertexArray != nullptr); - } + if (extensions.find("GL_APPLE_vertex_array_object") != std::string::npos) { + gl::BindVertexArray = (gl::PFNGLBINDVERTEXARRAYPROC)CGLGetProcAddress("glBindVertexArrayAPPLE"); + gl::DeleteVertexArrays = (gl::PFNGLDELETEVERTEXARRAYSPROC)CGLGetProcAddress("glDeleteVertexArraysAPPLE"); + gl::GenVertexArrays = (gl::PFNGLGENVERTEXARRAYSPROC)CGLGetProcAddress("glGenVertexArraysAPPLE"); + gl::IsVertexArray = (gl::PFNGLISVERTEXARRAYPROC)CGLGetProcAddress("glIsVertexArrayAPPLE"); + assert(gl::BindVertexArray != nullptr); + assert(gl::DeleteVertexArrays != nullptr); + assert(gl::GenVertexArrays != nullptr); + assert(gl::IsVertexArray != nullptr); + } #endif #ifdef MBGL_USE_GLX - if (extensions.find("GL_ARB_vertex_array_object") != std::string::npos) { - gl::BindVertexArray = (gl::PFNGLBINDVERTEXARRAYPROC)glXGetProcAddress((const GLubyte *)"glBindVertexArray"); - gl::DeleteVertexArrays = (gl::PFNGLDELETEVERTEXARRAYSPROC)glXGetProcAddress((const GLubyte *)"glDeleteVertexArrays"); - gl::GenVertexArrays = (gl::PFNGLGENVERTEXARRAYSPROC)glXGetProcAddress((const GLubyte *)"glGenVertexArrays"); - gl::IsVertexArray = (gl::PFNGLISVERTEXARRAYPROC)glXGetProcAddress((const GLubyte *)"glIsVertexArray"); - assert(gl::BindVertexArray != nullptr); - assert(gl::DeleteVertexArrays != nullptr); - assert(gl::GenVertexArrays != nullptr); - assert(gl::IsVertexArray != nullptr); - } + if (extensions.find("GL_ARB_vertex_array_object") != std::string::npos) { + gl::BindVertexArray = (gl::PFNGLBINDVERTEXARRAYPROC)glXGetProcAddress((const GLubyte *)"glBindVertexArray"); + gl::DeleteVertexArrays = (gl::PFNGLDELETEVERTEXARRAYSPROC)glXGetProcAddress((const GLubyte *)"glDeleteVertexArrays"); + gl::GenVertexArrays = (gl::PFNGLGENVERTEXARRAYSPROC)glXGetProcAddress((const GLubyte *)"glGenVertexArrays"); + gl::IsVertexArray = (gl::PFNGLISVERTEXARRAYPROC)glXGetProcAddress((const GLubyte *)"glIsVertexArray"); + assert(gl::BindVertexArray != nullptr); + assert(gl::DeleteVertexArrays != nullptr); + assert(gl::GenVertexArrays != nullptr); + assert(gl::IsVertexArray != nullptr); + } #endif + } make_inactive(); } |