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author | John Firebaugh <john.firebaugh@gmail.com> | 2014-12-18 18:00:33 -0800 |
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committer | John Firebaugh <john.firebaugh@gmail.com> | 2014-12-18 18:00:33 -0800 |
commit | 4a2cf4aa62b9f467f0757844b4a4c3dbf75fdc40 (patch) | |
tree | 1d8941347f425073147dbe87913569555b0d7489 /platform/default | |
parent | a8dec01230a00f9e701fc6403110c4f5017ba905 (diff) | |
parent | e57c57516fd3dd2513b6bae579f38f2f404fa545 (diff) | |
download | qtlocation-mapboxgl-4a2cf4aa62b9f467f0757844b4a4c3dbf75fdc40.tar.gz |
Merge pull request #718 from mapbox/cli-render
CLI render
Diffstat (limited to 'platform/default')
-rw-r--r-- | platform/default/headless_view.cpp | 120 |
1 files changed, 27 insertions, 93 deletions
diff --git a/platform/default/headless_view.cpp b/platform/default/headless_view.cpp index b0fa60fc12..4053af226d 100644 --- a/platform/default/headless_view.cpp +++ b/platform/default/headless_view.cpp @@ -1,5 +1,6 @@ #include <mbgl/platform/default/headless_view.hpp> #include <mbgl/platform/default/headless_display.hpp> +#include <mbgl/platform/log.hpp> #include <mbgl/util/std.hpp> @@ -9,12 +10,6 @@ #include <cstring> #include <cassert> -#if MBGL_USE_GLX -#ifdef GLX_ARB_create_context -static PFNGLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribsARB = nullptr; -#endif -#endif - #ifdef MBGL_USE_CGL #include <CoreFoundation/CoreFoundation.h> @@ -52,88 +47,39 @@ 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); - } -#endif - - make_inactive(); -} - - -#if MBGL_USE_GLX -#ifdef GLX_ARB_create_context - -// These are all of the OpenGL Core profile version that we know about. -struct core_profile_version { int major, minor; }; -static const core_profile_version coreProfileVersions[] = { - {4, 5}, - {4, 4}, - {4, 3}, - {4, 2}, - {4, 1}, - {4, 0}, - {3, 3}, - {3, 2}, - {3, 1}, - {3, 0}, - {0, 0}, -}; - -GLXContext createCoreProfile(Display *dpy, GLXFBConfig fbconfig) { - static bool contextCreationFailed = false; - GLXContext ctx = 0; - - // Set the Error Handler to avoid crashing the program when the context creation fails. - // It is expected that some context creation attempts fail, e.g. because the OpenGL - // implementation does not support the version we're requesting. - int (*previousErrorHandler)(Display *, XErrorEvent *) = XSetErrorHandler([](Display *, XErrorEvent *) { - contextCreationFailed = true; - return 0; - }); - - // Try to create core profiles from the highest known version on down. - for (int i = 0; !ctx && coreProfileVersions[i].major; i++) { - contextCreationFailed = false; - const int contextFlags[] = { - GLX_CONTEXT_MAJOR_VERSION_ARB, coreProfileVersions[i].major, - GLX_CONTEXT_MINOR_VERSION_ARB, coreProfileVersions[i].minor, - 0 - }; - ctx = glXCreateContextAttribsARB(dpy, fbconfig, 0, True, contextFlags); - if (contextCreationFailed) { - ctx = 0; + 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 } - // Restore the old error handler. - XSetErrorHandler(previousErrorHandler); - return ctx; + make_inactive(); } -#endif -#endif void HeadlessView::createContext() { #if MBGL_USE_CGL @@ -149,27 +95,15 @@ void HeadlessView::createContext() { #endif #if MBGL_USE_GLX -#ifdef GLX_ARB_create_context - if (glXCreateContextAttribsARB == nullptr) { - glXCreateContextAttribsARB = (PFNGLXCREATECONTEXTATTRIBSARBPROC)glXGetProcAddressARB((const GLubyte *)"glXCreateContextAttribsARB"); - } -#endif - xDisplay = display_->xDisplay; fbConfigs = display_->fbConfigs; -#ifdef GLX_ARB_create_context - if (glXCreateContextAttribsARB) { - // Try to create a core profile context. - glContext = createCoreProfile(xDisplay, fbConfigs[0]); - } -#endif - if (!glContext) { // Try to create a legacy context glContext = glXCreateNewContext(xDisplay, fbConfigs[0], GLX_RGBA_TYPE, 0, True); if (glContext) { if (!glXIsDirect(xDisplay, glContext)) { + mbgl::Log::Error(mbgl::Event::OpenGL, "Failed to create direct OpenGL Legacy context"); glXDestroyContext(xDisplay, glContext); glContext = 0; } |