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Extensible GL extension support

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This commit is contained in:
John Firebaugh
2015-05-12 14:35:26 -07:00
parent 0f7c6b0b52
commit a2344c36c3
15 changed files with 360 additions and 447 deletions
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87
android/cpp/native_map_view.cpp
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@@ -585,90 +585,9 @@ EGLConfig NativeMapView::chooseConfig(const EGLConfig configs[], EGLint numConfi
}
void loadExtensions() {
const GLubyte *str = glGetString(GL_EXTENSIONS);
if (str == nullptr) {
mbgl::Log::Error(mbgl::Event::OpenGL, "glGetString(GL_EXTENSIONS) returned error %d",
glGetError());
return;
}
std::string extensions(reinterpret_cast<const char *>(str));
if (extensions.find("GL_OES_vertex_array_object") != std::string::npos) {
mbgl::Log::Info(mbgl::Event::OpenGL, "Using GL_OES_vertex_array_object.");
gl::BindVertexArray = reinterpret_cast<gl::PFNGLBINDVERTEXARRAYPROC>(
eglGetProcAddress("glBindVertexArrayOES"));
gl::DeleteVertexArrays = reinterpret_cast<gl::PFNGLDELETEVERTEXARRAYSPROC>(
eglGetProcAddress("glDeleteVertexArraysOES"));
gl::GenVertexArrays = reinterpret_cast<gl::PFNGLGENVERTEXARRAYSPROC>(
eglGetProcAddress("glGenVertexArraysOES"));
gl::IsVertexArray =
reinterpret_cast<gl::PFNGLISVERTEXARRAYPROC>(eglGetProcAddress("glIsVertexArrayOES"));
assert(gl::BindVertexArray != nullptr);
assert(gl::DeleteVertexArrays != nullptr);
assert(gl::GenVertexArrays != nullptr);
assert(gl::IsVertexArray != nullptr);
}
if (extensions.find("GL_KHR_debug") != std::string::npos) {
mbgl::Log::Info(mbgl::Event::OpenGL, "Using GL_KHR_debug.");
gl::DebugMessageControl = reinterpret_cast<gl::PFNGLDEBUGMESSAGECONTROLPROC>(
eglGetProcAddress("glDebugMessageControl"));
gl::DebugMessageInsert = reinterpret_cast<gl::PFNGLDEBUGMESSAGEINSERTPROC>(
eglGetProcAddress("glDebugMessageInsert"));
gl::DebugMessageCallback = reinterpret_cast<gl::PFNGLDEBUGMESSAGECALLBACKPROC>(
eglGetProcAddress("glDebugMessageCallback"));
gl::GetDebugMessageLog = reinterpret_cast<gl::PFNGLGETDEBUGMESSAGELOGPROC>(
eglGetProcAddress("glGetDebugMessageLog"));
gl::GetPointerv =
reinterpret_cast<gl::PFNGLGETPOINTERVPROC>(eglGetProcAddress("glGetPointerv"));
gl::PushDebugGroup =
reinterpret_cast<gl::PFNGLPUSHDEBUGGROUPPROC>(eglGetProcAddress("glPushDebugGroup"));
gl::PopDebugGroup =
reinterpret_cast<gl::PFNGLPOPDEBUGGROUPPROC>(eglGetProcAddress("glPopDebugGroup"));
gl::ObjectLabel =
reinterpret_cast<gl::PFNGLOBJECTLABELPROC>(eglGetProcAddress("glObjectLabel"));
gl::GetObjectLabel =
reinterpret_cast<gl::PFNGLGETOBJECTLABELPROC>(eglGetProcAddress("glGetObjectLabel"));
gl::ObjectPtrLabel =
reinterpret_cast<gl::PFNGLOBJECTPTRLABELPROC>(eglGetProcAddress("glObjectPtrLabel"));
gl::GetObjectPtrLabel = reinterpret_cast<gl::PFNGLGETOBJECTPTRLABELPROC>(
eglGetProcAddress("glGetObjectPtrLabel"));
assert(gl::DebugMessageControl != nullptr);
assert(gl::DebugMessageInsert != nullptr);
assert(gl::DebugMessageCallback != nullptr);
assert(gl::GetDebugMessageLog != nullptr);
assert(gl::GetPointerv != nullptr);
assert(gl::PushDebugGroup != nullptr);
assert(gl::PopDebugGroup != nullptr);
assert(gl::ObjectLabel != nullptr);
assert(gl::GetObjectLabel != nullptr);
assert(gl::ObjectPtrLabel != nullptr);
assert(gl::GetObjectPtrLabel != nullptr);
} else {
if (extensions.find("GL_EXT_debug_marker") != std::string::npos) {
mbgl::Log::Info(mbgl::Event::OpenGL, "Using GL_EXT_debug_marker.");
gl::InsertEventMarkerEXT = reinterpret_cast<gl::PFNGLINSERTEVENTMARKEREXTPROC>(
eglGetProcAddress("glInsertEventMarkerEXT"));
gl::PushGroupMarkerEXT = reinterpret_cast<gl::PFNGLPUSHGROUPMARKEREXTPROC>(
eglGetProcAddress("glPushGroupMarkerEXT"));
gl::PopGroupMarkerEXT = reinterpret_cast<gl::PFNGLPOPGROUPMARKEREXTPROC>(
eglGetProcAddress("glPopGroupMarkerEXT"));
assert(gl::InsertEventMarkerEXT != nullptr);
assert(gl::PushGroupMarkerEXT != nullptr);
assert(gl::PopGroupMarkerEXT != nullptr);
}
if (extensions.find("GL_EXT_debug_label") != std::string::npos) {
mbgl::Log::Info(mbgl::Event::OpenGL, "Using GL_EXT_debug_label.");
gl::LabelObjectEXT = reinterpret_cast<gl::PFNGLLABELOBJECTEXTPROC>(
eglGetProcAddress("glLabelObjectEXT"));
gl::GetObjectLabelEXT = reinterpret_cast<gl::PFNGLGETOBJECTLABELEXTPROC>(
eglGetProcAddress("glGetObjectLabelEXT"));
assert(gl::LabelObjectEXT != nullptr);
assert(gl::GetObjectLabelEXT != nullptr);
}
}
mbgl::gl::InitializeExtensions([] (const char * name) {
return reinterpret_cast<mbgl::gl::glProc>(eglGetProcAddress(name));
});
}
void NativeMapView::pause() {