DISTRHO
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Cardinal
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New approach for Window (always valid; swap handles for real UI) 

Signed-off-by: falkTX <falktx@falktx.com>
tags/22.02
falkTX 3 years ago
parent
823ad6b53d
commit
9ff29396df
Signed by: falkTX <falktx@falktx.com> GPG Key ID: CDBAA37ABC74FBA0
5 changed files with 208 additions and 77 deletions
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  1. +0
    -1
      src/Cardinal/DistrhoPluginInfo.h
  2. +1
    -15
      src/CardinalPlugin.cpp
  3. +0
    -1
      src/CardinalSynth/DistrhoPluginInfo.h
  4. +16
    -19
      src/CardinalUI.cpp
  5. +191
    -41
      src/override/Window.cpp

+ 0
- 1
src/Cardinal/DistrhoPluginInfo.h View File

@@ -27,7 +27,6 @@
#else
#define DISTRHO_PLUGIN_HAS_UI 1
#define DISTRHO_PLUGIN_WANT_DIRECT_ACCESS 1
#define DISTRHO_UI_USE_NANOVG 1
#define DISTRHO_UI_USER_RESIZABLE 1
#endif
#define DISTRHO_PLUGIN_NUM_INPUTS 2


+ 1
- 15
src/CardinalPlugin.cpp View File

@@ -379,6 +379,7 @@ public:
context->event = new rack::widget::EventState;
context->scene = new rack::app::Scene;
context->event->rootWidget = context->scene;
context->window = new rack::window::Window;
context->patch->loadTemplate();
context->scene->rackScroll->reset();
@@ -386,16 +387,6 @@ public:
#ifdef HAVE_LIBLO
fInitializer->oscPlugin = this;
#endif
#if defined(__MOD_DEVICES__) && !defined(HEADLESS)
context->window = new rack::window::Window;
rack::window::WindowInit(context->window, this);
/*
context->scene->removeChild(context->scene->menuBar);
context->scene->menuBar = rack::app::createMenuBar(getWindow(), getApp().isStandalone());
context->scene->addChildBelow(context->scene->menuBar, context->scene->rackScroll);
*/
#endif
}
~CardinalPlugin() override
@@ -413,11 +404,6 @@ public:
{
const ScopedContext sc(this);
#if defined(__MOD_DEVICES__) && !defined(HEADLESS)
delete context->window;
context->window = nullptr;
#endif
delete context;
}


+ 0
- 1
src/CardinalSynth/DistrhoPluginInfo.h View File

@@ -27,7 +27,6 @@
#else
#define DISTRHO_PLUGIN_HAS_UI 1
#define DISTRHO_PLUGIN_WANT_DIRECT_ACCESS 1
#define DISTRHO_UI_USE_NANOVG 1
#define DISTRHO_UI_USER_RESIZABLE 1
#endif
#define DISTRHO_PLUGIN_IS_SYNTH 1


+ 16
- 19
src/CardinalUI.cpp View File

@@ -45,8 +45,8 @@ namespace app {
widget::Widget* createMenuBar(Window& window, bool isStandalone);
}
namespace window {
void WindowInit(Window* window, DISTRHO_NAMESPACE::UI* ui);
void WindowMods(Window* window, int mods);
void WindowSetPluginUI(Window* window, DISTRHO_NAMESPACE::UI* ui);
void WindowSetMods(Window* window, int mods);
}
}

@@ -80,7 +80,7 @@ class CardinalUI : public UI,
: context(ui->fContext)
{
rack::contextSet(context);
rack::window::WindowMods(context->window, mods);
rack::window::WindowSetMods(context->window, mods);
WindowParametersRestore(context->window);
}

@@ -106,38 +106,37 @@ public:
if (scaleFactor != 1)
setSize(1228 * scaleFactor, 666 * scaleFactor);

rack::window::Window* const window = new rack::window::Window;
rack::window::WindowInit(window, this);

rack::contextSet(fContext);

fContext->scene->removeChild(fContext->scene->menuBar);
fContext->scene->menuBar = rack::app::createMenuBar(getWindow(), getApp().isStandalone());
fContext->scene->addChildBelow(fContext->scene->menuBar, fContext->scene->rackScroll);
rack::window::WindowSetPluginUI(fContext->window, this);

fContext->window = window;
if (fContext->scene->menuBar != nullptr)
fContext->scene->removeChild(fContext->scene->menuBar);

rack::widget::Widget::ContextCreateEvent e;
fContext->scene->onContextCreate(e);
fContext->scene->menuBar = rack::app::createMenuBar(getWindow(), getApp().isStandalone());
fContext->scene->addChildBelow(fContext->scene->menuBar, fContext->scene->rackScroll);

window->step();
fContext->window->step();

rack::contextSet(nullptr);

WindowParametersSetCallback(window, this);
WindowParametersSetCallback(fContext->window, this);
}

~CardinalUI() override
{
rack::contextSet(fContext);

delete fContext->window;
fContext->window = nullptr;
rack::widget::Widget* const menuBar = fContext->scene->menuBar;
fContext->scene->menuBar = nullptr;
fContext->scene->removeChild(menuBar);

rack::window::WindowSetPluginUI(fContext->window, nullptr);

rack::contextSet(nullptr);
}

void onNanoDisplay() override
void onDisplay() override
{
const ScopedContext sc(this);
fContext->window->step();
@@ -481,8 +480,6 @@ protected:
default: key = ev.key; break;
}

rack::window::WindowMods(fContext->window, mods);

const ScopedContext sc(this, mods);
return fContext->event->handleKey(fLastMousePos, key, ev.keycode, action, mods);
}


+ 191
- 41
src/override/Window.cpp View File

@@ -44,8 +44,14 @@
#endif

#include "DistrhoUI.hpp"
#include "Application.hpp"
#include "../WindowParameters.hpp"

#ifndef DGL_NO_SHARED_RESOURCES
# include "NanoVG.hpp"
# include "src/Resources.hpp"
#endif

namespace rack {
namespace window {

@@ -93,10 +99,27 @@ std::shared_ptr<Image> Image::load(const std::string& filename) {
}


struct FontWithOriginalContext : Font {
int ohandle = -1;
std::string ofilename;
};

struct ImageWithOriginalContext : Image {
int ohandle = -1;
std::string ofilename;
};


struct Window::Internal {
DISTRHO_NAMESPACE::UI* ui = nullptr;
DISTRHO_NAMESPACE::WindowParameters params;
DISTRHO_NAMESPACE::WindowParametersCallback* callback = nullptr;
DGL_NAMESPACE::Application hiddenApp;
DGL_NAMESPACE::Window hiddenWindow;
NVGcontext* r_vg = nullptr;
NVGcontext* r_fbVg = nullptr;
NVGcontext* o_vg = nullptr;
NVGcontext* o_fbVg = nullptr;

math::Vec size = minWindowSize;
std::string lastWindowTitle;
@@ -108,66 +131,185 @@ struct Window::Internal {
double frameTime = 0.0;
double lastFrameDuration = 0.0;

std::map<std::string, std::shared_ptr<Font>> fontCache;
std::map<std::string, std::shared_ptr<Image>> imageCache;
std::map<std::string, std::shared_ptr<FontWithOriginalContext>> fontCache;
std::map<std::string, std::shared_ptr<ImageWithOriginalContext>> imageCache;

bool fbDirtyOnSubpixelChange = true;

Internal()
: hiddenApp(),
hiddenWindow(hiddenApp) { hiddenApp.idle(); }
};

Window::Window() {
internal = new Internal;
}

void WindowInit(Window* const window, DISTRHO_NAMESPACE::UI* const ui)
#ifndef DGL_NO_SHARED_RESOURCES
static int loadFallbackFont(NVGcontext* const vg)
{
const GLubyte* vendor = glGetString(GL_VENDOR);
const GLubyte* renderer = glGetString(GL_RENDERER);
const GLubyte* version = glGetString(GL_VERSION);
INFO("Renderer: %s %s", vendor, renderer);
INFO("OpenGL: %s", version);
const int font = nvgFindFont(vg, NANOVG_DEJAVU_SANS_TTF);
if (font >= 0)
return font;

window->internal->ui = ui;
window->internal->size = rack::math::Vec(ui->getWidth(), ui->getHeight());
using namespace dpf_resources;

window->vg = ui->getContext();
return nvgCreateFontMem(vg, NANOVG_DEJAVU_SANS_TTF,
(uchar*)dejavusans_ttf, dejavusans_ttf_size, 0);
}
#endif


Window::Window() {
internal = new Internal;

DGL_NAMESPACE::Window::ScopedGraphicsContext sgc(internal->hiddenWindow);

// Set up NanoVG
const int nvgFlags = NVG_ANTIALIAS;
#ifdef NANOVG_GLES2
window->fbVg = nvgCreateSharedGLES2(window->vg, NVG_ANTIALIAS);
vg = nvgCreateGLES2(nvgFlags);
fbVg = nvgCreateSharedGLES2(vg, nvgFlags);
#else
window->fbVg = nvgCreateSharedGL2(window->vg, NVG_ANTIALIAS);
vg = nvgCreateGL2(nvgFlags);
fbVg = nvgCreateSharedGL2(vg, nvgFlags);
#endif

// Load default Blendish font
#ifndef DGL_NO_SHARED_RESOURCES
ui->loadSharedResources();
window->uiFont = std::make_shared<Font>();
window->uiFont->vg = window->vg;
window->uiFont->handle = nvgFindFont(window->vg, NANOVG_DEJAVU_SANS_TTF);
window->internal->fontCache["res/fonts/DejaVuSans.ttf"] = window->uiFont;
uiFont = std::make_shared<Font>();
uiFont->vg = vg;
uiFont->handle = loadFallbackFont(vg);

std::shared_ptr<FontWithOriginalContext> uiFont2;
uiFont2 = std::make_shared<FontWithOriginalContext>();
uiFont2->vg = vg;
uiFont2->handle = loadFallbackFont(vg);
uiFont2->ofilename = asset::system("res/fonts/DejaVuSans.ttf");
internal->fontCache[uiFont2->ofilename] = uiFont2;
#else
uiFont = loadFont(asset::system("res/fonts/DejaVuSans.ttf"));
#endif

if (uiFont != nullptr)
bndSetFont(uiFont->handle);
}

void WindowSetPluginUI(Window* const window, DISTRHO_NAMESPACE::UI* const ui)
{
if (ui != nullptr)
{
const GLubyte* vendor = glGetString(GL_VENDOR);
const GLubyte* renderer = glGetString(GL_RENDERER);
const GLubyte* version = glGetString(GL_VERSION);
INFO("Renderer: %s %s", vendor, renderer);
INFO("OpenGL: %s", version);

window->internal->ui = ui;
window->internal->size = rack::math::Vec(ui->getWidth(), ui->getHeight());

// Set up NanoVG
const int nvgFlags = NVG_ANTIALIAS;
#ifdef NANOVG_GLES2
window->internal->r_vg = nvgCreateSharedGLES2(nvgFlags);
window->internal->r_fbVg = nvgCreateSharedGLES2(window->internal->r_vg, nvgFlags);
#else
window->loadFont(asset::system("res/fonts/DejaVuSans.ttf"));
window->internal->r_vg = nvgCreateGL2(nvgFlags);
window->internal->r_fbVg = nvgCreateSharedGL2(window->internal->r_vg, nvgFlags);
#endif

if (window->uiFont != nullptr)
bndSetFont(window->uiFont->handle);
// swap contexts
window->internal->o_vg = window->vg;
window->internal->o_fbVg = window->fbVg;
window->vg = window->internal->r_vg;
window->fbVg = window->internal->r_fbVg;

// also for fonts and images
window->uiFont->vg = window->vg;
window->uiFont->handle = loadFallbackFont(window->vg);
for (auto& font : window->internal->fontCache)
{
font.second->vg = window->vg;
font.second->ohandle = font.second->handle;
font.second->handle = nvgCreateFont(window->vg,
font.second->ofilename.c_str(), font.second->ofilename.c_str());
}
for (auto& image : window->internal->imageCache)
{
image.second->vg = window->vg;
image.second->ohandle = image.second->handle;
image.second->handle = nvgCreateImage(window->vg, image.second->ofilename.c_str(),
NVG_IMAGE_REPEATX | NVG_IMAGE_REPEATY);
}

// Init settings
WindowParametersRestore(window);

widget::Widget::ContextCreateEvent e;
APP->scene->onContextCreate(e);
}
else
{
widget::Widget::ContextDestroyEvent e;
APP->scene->onContextDestroy(e);

// swap contexts
window->uiFont->vg = window->internal->o_vg;
window->vg = window->internal->o_vg;
window->fbVg = window->internal->o_fbVg;
window->internal->o_vg = nullptr;
window->internal->o_fbVg = nullptr;

// also for fonts and images
window->uiFont->vg = window->vg;
window->uiFont->handle = loadFallbackFont(window->vg);
for (auto& font : window->internal->fontCache)
{
font.second->vg = window->vg;
font.second->handle = font.second->ohandle;
font.second->ohandle = -1;
}
for (auto& image : window->internal->imageCache)
{
image.second->vg = window->vg;
image.second->handle = image.second->ohandle;
image.second->ohandle = -1;
}

// also for images

#if defined NANOVG_GLES2
nvgDeleteGLES2(window->internal->r_vg);
nvgDeleteGLES2(window->internal->r_fbVg);
#else
nvgDeleteGL2(window->internal->r_vg);
nvgDeleteGL2(window->internal->r_fbVg);
#endif

// Init settings
WindowParametersRestore(window);
// window->internal->hiddenWindow.close();
window->internal->ui = nullptr;
window->internal->callback = nullptr;
}
}

void WindowMods(Window* const window, const int mods)
void WindowSetMods(Window* const window, const int mods)
{
window->internal->mods = mods;
}

Window::~Window() {
if (APP->scene) {
widget::Widget::ContextDestroyEvent e;
APP->scene->onContextDestroy(e);
}
{
DGL_NAMESPACE::Window::ScopedGraphicsContext sgc(internal->hiddenWindow);

// Fonts and Images in the cache must be deleted before the NanoVG context is deleted
internal->fontCache.clear();
internal->imageCache.clear();
// Fonts and Images in the cache must be deleted before the NanoVG context is deleted
internal->fontCache.clear();
internal->imageCache.clear();

#if defined NANOVG_GLES2
nvgDeleteGLES2(vg);
nvgDeleteGLES2(fbVg);
#else
nvgDeleteGL2(vg);
nvgDeleteGL2(fbVg);
#endif
}

delete internal;
}
@@ -189,6 +331,8 @@ void Window::run() {


void Window::step() {
DISTRHO_SAFE_ASSERT_RETURN(internal->ui != nullptr,);

double frameTime = system::getTime();
double lastFrameTime = internal->frameTime;
internal->frameTime = frameTime;
@@ -196,7 +340,7 @@ void Window::step() {
// DEBUG("%.2lf Hz", 1.0 / internal->lastFrameDuration);

// Make event handlers and step() have a clean NanoVG context
// nvgReset(vg);
nvgReset(vg);

if (uiFont != nullptr)
bndSetFont(uiFont->handle);
@@ -238,6 +382,7 @@ void Window::step() {

// Render scene
// Update and render
nvgBeginFrame(vg, fbWidth, fbHeight, pixelRatio);
nvgScale(vg, pixelRatio, pixelRatio);

// Draw scene
@@ -249,6 +394,7 @@ void Window::step() {
glViewport(0, 0, fbWidth, fbHeight);
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
nvgEndFrame(vg);
}

internal->frame++;
@@ -264,6 +410,8 @@ void Window::screenshotModules(const std::string&, float) {


void Window::close() {
DISTRHO_SAFE_ASSERT_RETURN(internal->ui != nullptr,);

internal->ui->getWindow().close();
}

@@ -322,14 +470,15 @@ std::shared_ptr<Font> Window::loadFont(const std::string& filename) {
return pair->second;

// Load font
std::shared_ptr<Font> font;
std::shared_ptr<FontWithOriginalContext> font;
try {
font = std::make_shared<Font>();
font = std::make_shared<FontWithOriginalContext>();
font->ofilename = filename;
font->loadFile(filename, vg);
}
catch (Exception& e) {
WARN("%s", e.what());
font = NULL;
font = nullptr;
}
internal->fontCache[filename] = font;
return font;
@@ -342,14 +491,15 @@ std::shared_ptr<Image> Window::loadImage(const std::string& filename) {
return pair->second;

// Load image
std::shared_ptr<Image> image;
std::shared_ptr<ImageWithOriginalContext> image;
try {
image = std::make_shared<Image>();
image = std::make_shared<ImageWithOriginalContext>();
image->ofilename = filename;
image->loadFile(filename, vg);
}
catch (Exception& e) {
WARN("%s", e.what());
image = NULL;
image = nullptr;
}
internal->imageCache[filename] = image;
return image;


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