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85ec3eb0a5739c4f7b160d82715d3be51e10a02b
MapLibreParticleLab/android/cpp/native_map_view.cpp
Leith Bade 85ec3eb0a5 Refactor Android render loop to limit frame rate to 60 FPS 
Move expensive cache size calulation to initialisation
Fix setGestureInProgress bug
Renamed several functions to match current usage
Refactor map updates to reduce GPS marker lag
Fixes #1676
Fixes #2290
Fixes #2396
2015-09-24 18:04:26 +10:00

737 lines
26 KiB
C++
Raw Blame History

#include <cstdlib>
#include <ctime>
#include <cassert>
#include <memory>
#include <list>
#include <tuple>
#include <sys/system_properties.h>
#include <GLES2/gl2.h>
#include <mbgl/android/native_map_view.hpp>
#include <mbgl/android/jni.hpp>
#include <mbgl/platform/platform.hpp>
#include <mbgl/platform/event.hpp>
#include <mbgl/platform/log.hpp>
#include <mbgl/platform/gl.hpp>
#include <mbgl/util/constants.hpp>
namespace mbgl {
namespace android {
void log_egl_string(EGLDisplay display, EGLint name, const char *label) {
const char *str = eglQueryString(display, name);
if (str == nullptr) {
mbgl::Log::Error(mbgl::Event::OpenGL, "eglQueryString(%d) returned error %d", name,
eglGetError());
throw new std::runtime_error("eglQueryString() failed");
} else {
char buf[513];
for (int len = std::strlen(str), pos = 0; len > 0; len -= 512, pos += 512) {
strncpy(buf, str + pos, 512);
buf[512] = 0;
mbgl::Log::Info(mbgl::Event::OpenGL, "EGL %s: %s", label, buf);
}
}
}
void log_gl_string(GLenum name, const char *label) {
const GLubyte *str = glGetString(name);
if (str == nullptr) {
mbgl::Log::Error(mbgl::Event::OpenGL, "glGetString(%d) returned error %d", name,
glGetError());
throw new std::runtime_error("glGetString() failed");
} else {
char buf[513];
for (int len = std::strlen(reinterpret_cast<const char *>(str)), pos = 0; len > 0;
len -= 512, pos += 512) {
strncpy(buf, reinterpret_cast<const char *>(str) + pos, 512);
buf[512] = 0;
mbgl::Log::Info(mbgl::Event::OpenGL, "GL %s: %s", label, buf);
}
}
}
NativeMapView::NativeMapView(JNIEnv *env, jobject obj_, float pixelRatio_, int availableProcessors_, size_t totalMemory_)
: mbgl::View(*this),
pixelRatio(pixelRatio_),
availableProcessors(availableProcessors_),
totalMemory(totalMemory_) {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::NativeMapView");
assert(env != nullptr);
assert(obj_ != nullptr);
if (env->GetJavaVM(&vm) < 0) {
env->ExceptionDescribe();
return;
}
obj = env->NewWeakGlobalRef(obj_);
if (obj == nullptr) {
env->ExceptionDescribe();
return;
}
fileCache = mbgl::SharedSQLiteCache::get(mbgl::android::cachePath + "/mbgl-cache.db");
fileSource = std::make_unique<mbgl::DefaultFileSource>(fileCache.get());
map = std::make_unique<mbgl::Map>(*this, *fileSource, MapMode::Continuous);
float zoomFactor = map->getMaxZoom() - map->getMinZoom() + 1;
float cpuFactor = availableProcessors;
float memoryFactor = static_cast<float>(totalMemory) / 1000.0f / 1000.0f / 1000.0f;
float sizeFactor = (static_cast<float>(map->getWidth()) / mbgl::util::tileSize) *
(static_cast<float>(map->getHeight()) / mbgl::util::tileSize);
size_t cacheSize = zoomFactor * cpuFactor * memoryFactor * sizeFactor * 0.5f;
map->setSourceTileCacheSize(cacheSize);
map->pause();
}
NativeMapView::~NativeMapView() {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::~NativeMapView");
terminateContext();
destroySurface();
terminateDisplay();
assert(vm != nullptr);
assert(obj != nullptr);
map.reset();
fileSource.reset();
fileCache.reset();
jint ret;
JNIEnv *env = nullptr;
ret = vm->GetEnv(reinterpret_cast<void **>(&env), JNI_VERSION_1_6);
if (ret == JNI_OK) {
env->DeleteWeakGlobalRef(obj);
} else {
mbgl::Log::Error(mbgl::Event::JNI, "GetEnv() failed with %i", ret);
throw new std::runtime_error("GetEnv() failed");
}
obj = nullptr;
vm = nullptr;
}
float NativeMapView::getPixelRatio() const {
return pixelRatio;
}
std::array<uint16_t, 2> NativeMapView::getSize() const {
return {{ static_cast<uint16_t>(width), static_cast<uint16_t>(height) }};
}
std::array<uint16_t, 2> NativeMapView::getFramebufferSize() const {
return {{ static_cast<uint16_t>(fbWidth), static_cast<uint16_t>(fbHeight) }};
}
void NativeMapView::activate() {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::activate");
if ((display != EGL_NO_DISPLAY) && (surface != EGL_NO_SURFACE) && (context != EGL_NO_CONTEXT)) {
if (!eglMakeCurrent(display, surface, surface, context)) {
mbgl::Log::Error(mbgl::Event::OpenGL, "eglMakeCurrent() returned error %d",
eglGetError());
throw new std::runtime_error("eglMakeCurrent() failed");
}
} else {
mbgl::Log::Info(mbgl::Event::Android, "Not activating as we are not ready");
}
}
void NativeMapView::deactivate() {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::deactivate");
if (display != EGL_NO_DISPLAY) {
if (!eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT)) {
mbgl::Log::Error(mbgl::Event::OpenGL, "eglMakeCurrent(EGL_NO_CONTEXT) returned error %d",
eglGetError());
throw new std::runtime_error("eglMakeCurrent() failed");
}
} else {
mbgl::Log::Info(mbgl::Event::Android, "Not deactivating as we are not ready");
}
}
void NativeMapView::invalidate() {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::invalidate()");
assert(vm != nullptr);
assert(obj != nullptr);
JNIEnv *env = nullptr;
bool detach = attach_jni_thread(vm, &env, "NativeMapView::invalidate()");
env->CallVoidMethod(obj, onInvalidateId);
if (env->ExceptionCheck()) {
env->ExceptionDescribe();
}
detach_jni_thread(vm, &env, detach);
}
void NativeMapView::beforeRender() {
// no-op
}
void NativeMapView::afterRender() {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::afterRender");
if ((display != EGL_NO_DISPLAY) && (surface != EGL_NO_SURFACE)) {
if (!eglSwapBuffers(display, surface)) {
mbgl::Log::Error(mbgl::Event::OpenGL, "eglSwapBuffers() returned error %d",
eglGetError());
throw new std::runtime_error("eglSwapBuffers() failed");
}
updateFps();
} else {
mbgl::Log::Info(mbgl::Event::Android, "Not swapping as we are not ready");
}
}
void NativeMapView::notify() {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::notify()");
// noop
}
mbgl::Map &NativeMapView::getMap() { return *map; }
mbgl::DefaultFileSource &NativeMapView::getFileSource() { return *fileSource; }
bool NativeMapView::inEmulator() {
// Detect if we are in emulator
char prop[PROP_VALUE_MAX];
__system_property_get("ro.kernel.qemu", prop);
return strtol(prop, nullptr, 0) == 1;
}
void NativeMapView::initializeDisplay() {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::initializeDisplay");
assert(display == EGL_NO_DISPLAY);
assert(config == nullptr);
assert(format < 0);
display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
if (display == EGL_NO_DISPLAY) {
mbgl::Log::Error(mbgl::Event::OpenGL, "eglGetDisplay() returned error %d", eglGetError());
throw new std::runtime_error("eglGetDisplay() failed");
}
EGLint major, minor;
if (!eglInitialize(display, &major, &minor)) {
mbgl::Log::Error(mbgl::Event::OpenGL, "eglInitialize() returned error %d", eglGetError());
throw new std::runtime_error("eglInitialize() failed");
}
if ((major <= 1) && (minor < 3)) {
mbgl::Log::Error(mbgl::Event::OpenGL, "EGL version is too low, need 1.3, got %d.%d", major,
minor);
throw new std::runtime_error("EGL version is too low");
}
log_egl_string(display, EGL_VENDOR, "Vendor");
log_egl_string(display, EGL_VERSION, "Version");
log_egl_string(display, EGL_CLIENT_APIS, "Client APIs");
log_egl_string(display, EGL_EXTENSIONS, "Client Extensions");
// Detect if we are in emulator
if (inEmulator()) {
mbgl::Log::Warning(mbgl::Event::Android, "In emulator! Enabling hacks :-(");
}
// Get all configs at least RGB 565 with 16 depth and 8 stencil
EGLint configAttribs[] = {
EGL_CONFIG_CAVEAT, EGL_NONE, EGL_RENDERABLE_TYPE,
EGL_OPENGL_ES2_BIT, EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_BUFFER_SIZE, 16, EGL_RED_SIZE,
5, EGL_GREEN_SIZE, 6,
EGL_BLUE_SIZE, 5, EGL_DEPTH_SIZE,
16, EGL_STENCIL_SIZE, 8,
(inEmulator() ? EGL_NONE : EGL_CONFORMANT), EGL_OPENGL_ES2_BIT, // Ugly hack
(inEmulator() ? EGL_NONE : EGL_COLOR_BUFFER_TYPE), EGL_RGB_BUFFER, // Ugly hack
EGL_NONE};
EGLint numConfigs;
if (!eglChooseConfig(display, configAttribs, nullptr, 0, &numConfigs)) {
mbgl::Log::Error(mbgl::Event::OpenGL, "eglChooseConfig(NULL) returned error %d",
eglGetError());
throw new std::runtime_error("eglChooseConfig() failed");
}
if (numConfigs < 1) {
mbgl::Log::Error(mbgl::Event::OpenGL, "eglChooseConfig() returned no configs.");
throw new std::runtime_error("eglChooseConfig() failed");
}
const auto configs = std::make_unique<EGLConfig[]>(numConfigs);
if (!eglChooseConfig(display, configAttribs, configs.get(), numConfigs, &numConfigs)) {
mbgl::Log::Error(mbgl::Event::OpenGL, "eglChooseConfig() returned error %d", eglGetError());
throw new std::runtime_error("eglChooseConfig() failed");
}
config = chooseConfig(configs.get(), numConfigs);
if (config == nullptr) {
mbgl::Log::Error(mbgl::Event::OpenGL, "No config chosen");
throw new std::runtime_error("No config chosen");
}
if (!eglGetConfigAttrib(display, config, EGL_NATIVE_VISUAL_ID, &format)) {
mbgl::Log::Error(mbgl::Event::OpenGL, "eglGetConfigAttrib() returned error %d",
eglGetError());
throw new std::runtime_error("eglGetConfigAttrib() failed");
}
mbgl::Log::Info(mbgl::Event::OpenGL, "Chosen window format is %d", format);
}
void NativeMapView::terminateDisplay() {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::terminateDisplay");
if (display != EGL_NO_DISPLAY) {
// Destroy the surface first, if it still exists. This call needs a valid surface.
if (surface != EGL_NO_SURFACE) {
if (!eglDestroySurface(display, surface)) {
mbgl::Log::Error(mbgl::Event::OpenGL, "eglDestroySurface() returned error %d",
eglGetError());
throw new std::runtime_error("eglDestroySurface() failed");
}
surface = EGL_NO_SURFACE;
}
if (!eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT)) {
mbgl::Log::Error(mbgl::Event::OpenGL,
"eglMakeCurrent(EGL_NO_CONTEXT) returned error %d", eglGetError());
throw new std::runtime_error("eglMakeCurrent() failed");
}
if (!eglTerminate(display)) {
mbgl::Log::Error(mbgl::Event::OpenGL, "eglTerminate() returned error %d",
eglGetError());
throw new std::runtime_error("eglTerminate() failed");
}
}
display = EGL_NO_DISPLAY;
config = nullptr;
format = -1;
}
void NativeMapView::initializeContext() {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::initializeContext");
assert(display != EGL_NO_DISPLAY);
assert(context == EGL_NO_CONTEXT);
assert(config != nullptr);
const EGLint contextAttribs[] = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE};
context = eglCreateContext(display, config, EGL_NO_CONTEXT, contextAttribs);
if (context == EGL_NO_CONTEXT) {
mbgl::Log::Error(mbgl::Event::OpenGL, "eglCreateContext() returned error %d",
eglGetError());
throw new std::runtime_error("eglCreateContext() failed");
}
}
void NativeMapView::terminateContext() {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::terminateContext");
if (display != EGL_NO_DISPLAY) {
if (!eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT)) {
mbgl::Log::Error(mbgl::Event::OpenGL,
"eglMakeCurrent(EGL_NO_CONTEXT) returned error %d", eglGetError());
throw new std::runtime_error("eglMakeCurrent() failed");
}
if (context != EGL_NO_CONTEXT) {
if (!eglDestroyContext(display, context)) {
mbgl::Log::Error(mbgl::Event::OpenGL, "eglDestroyContext() returned error %d",
eglGetError());
throw new std::runtime_error("eglDestroyContext() failed");
}
}
}
context = EGL_NO_CONTEXT;
}
void NativeMapView::createSurface(ANativeWindow *window_) {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::createSurface");
assert(window == nullptr);
assert(window_ != nullptr);
window = window_;
assert(display != EGL_NO_DISPLAY);
assert(surface == EGL_NO_SURFACE);
assert(config != nullptr);
assert(format >= 0);
ANativeWindow_setBuffersGeometry(window, 0, 0, format);
const EGLint surfaceAttribs[] = {EGL_NONE};
surface = eglCreateWindowSurface(display, config, window, surfaceAttribs);
if (surface == EGL_NO_SURFACE) {
mbgl::Log::Error(mbgl::Event::OpenGL, "eglCreateWindowSurface() returned error %d",
eglGetError());
throw new std::runtime_error("eglCreateWindowSurface() failed");
}
if (!firstTime) {
firstTime = true;
if (!eglMakeCurrent(display, surface, surface, context)) {
mbgl::Log::Error(mbgl::Event::OpenGL, "eglMakeCurrent() returned error %d",
eglGetError());
throw new std::runtime_error("eglMakeCurrent() failed");
}
log_gl_string(GL_VENDOR, "Vendor");
log_gl_string(GL_RENDERER, "Renderer");
log_gl_string(GL_VERSION, "Version");
if (!inEmulator()) {
log_gl_string(GL_SHADING_LANGUAGE_VERSION,
"SL Version"); // In the emulator this returns NULL with error code 0?
// https://code.google.com/p/android/issues/detail?id=78977
}
log_gl_string(GL_EXTENSIONS, "Extensions");
mbgl::gl::InitializeExtensions([] (const char * name) {
return reinterpret_cast<mbgl::gl::glProc>(eglGetProcAddress(name));
});
if (!eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT)) {
mbgl::Log::Error(mbgl::Event::OpenGL,
"eglMakeCurrent(EGL_NO_CONTEXT) returned error %d", eglGetError());
throw new std::runtime_error("eglMakeCurrent() failed");
}
}
resume();
}
void NativeMapView::destroySurface() {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::destroySurface");
pause();
if (surface != EGL_NO_SURFACE) {
if (!eglDestroySurface(display, surface)) {
mbgl::Log::Error(mbgl::Event::OpenGL, "eglDestroySurface() returned error %d",
eglGetError());
throw new std::runtime_error("eglDestroySurface() failed");
}
}
surface = EGL_NO_SURFACE;
if (window != nullptr) {
ANativeWindow_release(window);
window = nullptr;
}
}
// Speed
/*
typedef enum {
Format16Bit = 0,
Format32BitNoAlpha = 1,
Format32BitAlpha = 2,
Format24Bit = 3,
Unknown = 4
} BufferFormat;
typedef enum {
Format16Depth8Stencil = 0,
Format24Depth8Stencil = 1,
} DepthStencilFormat;
*/
// Quality
typedef enum {
Format16Bit = 3,
Format32BitNoAlpha = 1,
Format32BitAlpha = 2,
Format24Bit = 0,
Unknown = 4
} BufferFormat;
typedef enum {
Format16Depth8Stencil = 1,
Format24Depth8Stencil = 0,
} DepthStencilFormat;
// Tuple is <buffer_format, depth_stencil_format, is_not_conformant, is_caveat, config_num,
// config_id>
typedef std::tuple<BufferFormat, DepthStencilFormat, bool, bool, int, EGLConfig> ConfigProperties;
EGLConfig NativeMapView::chooseConfig(const EGLConfig configs[], EGLint numConfigs) {
mbgl::Log::Info(mbgl::Event::OpenGL, "Found %d configs", numConfigs);
// Create a list of configs that pass our filters
std::list<ConfigProperties> configList;
for (int i = 0; i < numConfigs; i++) {
mbgl::Log::Info(mbgl::Event::OpenGL, "Config %d:", i);
EGLint caveat, conformant, bits, red, green, blue, alpha, alphaMask, depth, stencil,
sampleBuffers, samples;
if (!eglGetConfigAttrib(display, configs[i], EGL_CONFIG_CAVEAT, &caveat)) {
mbgl::Log::Error(mbgl::Event::OpenGL,
"eglGetConfigAttrib(EGL_CONFIG_CAVEAT) returned error %d",
eglGetError());
throw new std::runtime_error("eglGetConfigAttrib() failed");
}
if (!eglGetConfigAttrib(display, configs[i], EGL_CONFORMANT, &conformant)) {
mbgl::Log::Error(mbgl::Event::OpenGL,
"eglGetConfigAttrib(EGL_CONFORMANT) returned error %d", eglGetError());
throw new std::runtime_error("eglGetConfigAttrib() failed");
}
if (!eglGetConfigAttrib(display, configs[i], EGL_BUFFER_SIZE, &bits)) {
mbgl::Log::Error(mbgl::Event::OpenGL,
"eglGetConfigAttrib(EGL_BUFFER_SIZE) returned error %d",
eglGetError());
throw new std::runtime_error("eglGetConfigAttrib() failed");
}
if (!eglGetConfigAttrib(display, configs[i], EGL_RED_SIZE, &red)) {
mbgl::Log::Error(mbgl::Event::OpenGL,
"eglGetConfigAttrib(EGL_RED_SIZE) returned error %d", eglGetError());
throw new std::runtime_error("eglGetConfigAttrib() failed");
}
if (!eglGetConfigAttrib(display, configs[i], EGL_GREEN_SIZE, &green)) {
mbgl::Log::Error(mbgl::Event::OpenGL,
"eglGetConfigAttrib(EGL_GREEN_SIZE) returned error %d", eglGetError());
throw new std::runtime_error("eglGetConfigAttrib() failed");
}
if (!eglGetConfigAttrib(display, configs[i], EGL_BLUE_SIZE, &blue)) {
mbgl::Log::Error(mbgl::Event::OpenGL,
"eglGetConfigAttrib(EGL_BLUE_SIZE) returned error %d", eglGetError());
throw new std::runtime_error("eglGetConfigAttrib() failed");
}
if (!eglGetConfigAttrib(display, configs[i], EGL_ALPHA_SIZE, &alpha)) {
mbgl::Log::Error(mbgl::Event::OpenGL,
"eglGetConfigAttrib(EGL_ALPHA_SIZE) returned error %d", eglGetError());
throw new std::runtime_error("eglGetConfigAttrib() failed");
}
if (!eglGetConfigAttrib(display, configs[i], EGL_ALPHA_MASK_SIZE, &alphaMask)) {
mbgl::Log::Error(mbgl::Event::OpenGL,
"eglGetConfigAttrib(EGL_ALPHA_MASK_SIZE) returned error %d",
eglGetError());
throw new std::runtime_error("eglGetConfigAttrib() failed");
}
if (!eglGetConfigAttrib(display, configs[i], EGL_DEPTH_SIZE, &depth)) {
mbgl::Log::Error(mbgl::Event::OpenGL,
"eglGetConfigAttrib(EGL_DEPTH_SIZE) returned error %d", eglGetError());
throw new std::runtime_error("eglGetConfigAttrib() failed");
}
if (!eglGetConfigAttrib(display, configs[i], EGL_STENCIL_SIZE, &stencil)) {
mbgl::Log::Error(mbgl::Event::OpenGL,
"eglGetConfigAttrib(EGL_STENCIL_SIZE) returned error %d",
eglGetError());
throw new std::runtime_error("eglGetConfigAttrib() failed");
}
if (!eglGetConfigAttrib(display, configs[i], EGL_SAMPLE_BUFFERS, &sampleBuffers)) {
mbgl::Log::Error(mbgl::Event::OpenGL,
"eglGetConfigAttrib(EGL_SAMPLE_BUFFERS) returned error %d",
eglGetError());
throw new std::runtime_error("eglGetConfigAttrib() failed");
}
if (!eglGetConfigAttrib(display, configs[i], EGL_SAMPLES, &samples)) {
mbgl::Log::Error(mbgl::Event::OpenGL,
"eglGetConfigAttrib(EGL_SAMPLES) returned error %d", eglGetError());
throw new std::runtime_error("eglGetConfigAttrib() failed");
}
mbgl::Log::Info(mbgl::Event::OpenGL, "...Caveat: %d", caveat);
mbgl::Log::Info(mbgl::Event::OpenGL, "...Conformant: %d", conformant);
mbgl::Log::Info(mbgl::Event::OpenGL, "...Color: %d", bits);
mbgl::Log::Info(mbgl::Event::OpenGL, "...Red: %d", red);
mbgl::Log::Info(mbgl::Event::OpenGL, "...Green: %d", green);
mbgl::Log::Info(mbgl::Event::OpenGL, "...Blue: %d", blue);
mbgl::Log::Info(mbgl::Event::OpenGL, "...Alpha: %d", alpha);
mbgl::Log::Info(mbgl::Event::OpenGL, "...Alpha mask: %d", alphaMask);
mbgl::Log::Info(mbgl::Event::OpenGL, "...Depth: %d", depth);
mbgl::Log::Info(mbgl::Event::OpenGL, "...Stencil: %d", stencil);
mbgl::Log::Info(mbgl::Event::OpenGL, "...Sample buffers: %d", sampleBuffers);
mbgl::Log::Info(mbgl::Event::OpenGL, "...Samples: %d", samples);
bool configOk = true;
configOk &= (depth == 24) || (depth == 16);
configOk &= stencil == 8;
configOk &= sampleBuffers == 0;
configOk &= samples == 0;
// Filter our configs first for depth, stencil and anti-aliasing
if (configOk) {
// Work out the config's buffer format
BufferFormat bufferFormat;
if ((bits == 16) && (red == 5) && (green == 6) && (blue == 5) && (alpha == 0)) {
bufferFormat = Format16Bit;
} else if ((bits == 32) && (red == 8) && (green == 8) && (blue == 8) && (alpha == 0)) {
bufferFormat = Format32BitNoAlpha;
} else if ((bits == 32) && (red == 8) && (green == 8) && (blue == 8) && (alpha == 8)) {
bufferFormat = Format32BitAlpha;
} else if ((bits == 24) && (red == 8) && (green == 8) && (blue == 8) && (alpha == 0)) {
bufferFormat = Format24Bit;
} else {
bufferFormat = Unknown;
}
// Work out the config's depth stencil format
DepthStencilFormat depthStencilFormat;
if ((depth == 16) && (stencil == 8)) {
depthStencilFormat = Format16Depth8Stencil;
} else {
depthStencilFormat = Format24Depth8Stencil;
}
bool isNotConformant = (conformant & EGL_OPENGL_ES2_BIT) != EGL_OPENGL_ES2_BIT;
bool isCaveat = caveat != EGL_NONE;
EGLConfig configId = configs[i];
// Ignore formats we don't recognise
if (bufferFormat != Unknown) {
configList.push_back(std::make_tuple(bufferFormat, depthStencilFormat,
isNotConformant, isCaveat, i, configId));
}
}
}
if (configList.empty()) {
mbgl::Log::Error(mbgl::Event::OpenGL, "Config list was empty.");
}
// Sort the configs to find the best one
configList.sort();
bool isConformant = !std::get<2>(configList.front());
bool isCaveat = std::get<3>(configList.front());
int configNum = std::get<4>(configList.front());
EGLConfig configId = std::get<5>(configList.front());
mbgl::Log::Info(mbgl::Event::OpenGL, "Chosen config is %d", configNum);
if (isCaveat) {
mbgl::Log::Warning(mbgl::Event::OpenGL, "Chosen config has a caveat.");
}
if (!isConformant) {
mbgl::Log::Warning(mbgl::Event::OpenGL, "Chosen config is not conformant.");
}
return configId;
}
void NativeMapView::pause() {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::pause");
if ((display != EGL_NO_DISPLAY) && (context != EGL_NO_CONTEXT)) {
map->pause();
}
}
void NativeMapView::resume() {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::resume");
assert(display != EGL_NO_DISPLAY);
assert(context != EGL_NO_CONTEXT);
if (surface != EGL_NO_SURFACE) {
map->resume();
} else {
mbgl::Log::Debug(mbgl::Event::Android, "Not resuming because we are not ready");
}
}
void NativeMapView::notifyMapChange(mbgl::MapChange change) {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::notifyMapChange()");
assert(vm != nullptr);
assert(obj != nullptr);
JNIEnv *env = nullptr;
bool detach = attach_jni_thread(vm, &env, "NativeMapView::notifyMapChange()");
env->CallVoidMethod(obj, onMapChangedId, change);
if (env->ExceptionCheck()) {
env->ExceptionDescribe();
}
detach_jni_thread(vm, &env, detach);
}
void NativeMapView::enableFps(bool enable) {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::enableFps()");
fpsEnabled = enable;
}
void NativeMapView::updateFps() {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::updateFps()");
if (!fpsEnabled) {
return;
}
static int frames = 0;
static int64_t timeElapsed = 0LL;
frames++;
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
int64_t currentTime = now.tv_sec * 1000000000LL + now.tv_nsec;
if (currentTime - timeElapsed >= 1) {
fps = frames / ((currentTime - timeElapsed) / 1E9);
mbgl::Log::Debug(mbgl::Event::Render, "FPS: %4.2f", fps);
timeElapsed = currentTime;
frames = 0;
}
assert(vm != nullptr);
assert(obj != nullptr);
JNIEnv *env = nullptr;
bool detach = attach_jni_thread(vm, &env, "NativeMapView::updateFps()");
env->CallVoidMethod(obj, onFpsChangedId, fps);
if (env->ExceptionCheck()) {
env->ExceptionDescribe();
}
detach_jni_thread(vm, &env, detach);
}
void NativeMapView::renderSync() {
mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::renderSync()");
if (map->isPaused()) {
mbgl::Log::Debug(mbgl::Event::Android, "Not rendering as map is paused");
return;
}
map->renderSync();
}
void NativeMapView::resizeView(int w, int h) {
width = w;
height = h;
map->update(mbgl::Update::Dimensions);
}
void NativeMapView::resizeFramebuffer(int w, int h) {
fbWidth = w;
fbHeight = h;
map->update(mbgl::Update::Repaint);
}
}
}
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