examples: added stress test.

.gitignore

@@ -25,3 +25,4 @@ testCapi
 testArc
 testMultiCanvas
 testDuplicate
+testStress

src/examples/meson.build

@@ -19,6 +19,7 @@ source_file = [
     'testScene.cpp',
     'testSceneTransform.cpp',
     'testShape.cpp',
+    'testStress.cpp',
     'testStroke.cpp',
     'testStrokeLine.cpp',
     'testSvg2.cpp',

src/examples/testAsync.cpp

@@ -54,6 +54,9 @@ bool tvgUpdateCmds(tvg::Canvas* canvas)
 
     t3 = ecore_time_get();
 
+    //Drawing task can be performed asynchronously.
+    if (canvas->draw() != tvg::Result::Success) return false;
+
     return true;
 }
 
@@ -75,9 +78,6 @@ Eina_Bool animSwCb(void* data)
 {
     if (!tvgUpdateCmds(swCanvas.get())) return ECORE_CALLBACK_RENEW;
 
-    //Drawing task can be performed asynchronously.
-    if (swCanvas->draw() != tvg::Result::Success) return false;
-
     //Update Efl Canvas
     Eo* img = (Eo*) data;
     evas_object_image_pixels_dirty_set(img, EINA_TRUE);

src/examples/testStress.cpp

@@ -0,0 +1,223 @@
+#include <vector>
+#include "testCommon.h"
+
+/************************************************************************/
+/* Drawing Commands                                                     */
+/************************************************************************/
+
+#define NUM_PER_LINE 16
+#define SIZE 50
+
+static int count = 0;
+static int frame = 0;
+static std::vector<tvg::Picture*> pictures;
+static double t1, t2, t3, t4;
+
+void svgDirCallback(const char* name, const char* path, void* data)
+{
+    auto picture = tvg::Picture::gen();
+
+    char buf[PATH_MAX];
+    sprintf(buf, "/%s/%s", path, name);
+
+    if (picture->load(buf) != tvg::Result::Success) return;
+
+    float x, y, w, h;
+    picture->viewbox(&x, &y, &w, &h);
+
+    float rate = (SIZE/(w > h ? w : h));
+    picture->scale(rate);
+
+    x *= rate;
+    y *= rate;
+    w *= rate;
+    h *= rate;
+
+    //Center Align ?
+    if (w > h) {
+         y -= (SIZE - h) * 0.5f;
+    } else {
+         x -= (SIZE - w) * 0.5f;
+    }
+
+    picture->translate((count % NUM_PER_LINE) * SIZE - x, SIZE * (count / NUM_PER_LINE) - y);
+    ++count;
+
+    //Duplicates
+    for (int i = 0; i < NUM_PER_LINE - 1; i++) {
+        tvg::Picture* dup = static_cast<tvg::Picture*>(picture->duplicate());
+        dup->translate((count % NUM_PER_LINE) * SIZE - x, SIZE * (count / NUM_PER_LINE) - y);
+        pictures.push_back(dup);
+        ++count;
+    }
+
+    cout << "SVG: " << buf << endl;
+    pictures.push_back(picture.release());    
+}
+
+void tvgDrawCmds(tvg::Canvas* canvas)
+{
+    if (!canvas) return;
+
+    //Background
+    auto shape = tvg::Shape::gen();
+    shape->appendRect(0, 0, WIDTH, HEIGHT, 0, 0);    //x, y, w, h, rx, ry
+    shape->fill(255, 255, 255, 255);                 //r, g, b, a
+
+    if (canvas->push(move(shape)) != tvg::Result::Success) return;
+
+    eina_file_dir_list(EXAMPLE_DIR, EINA_TRUE, svgDirCallback, canvas);
+
+    /* This showcase shows you asynchrounous loading of svg.
+       For this, pushing pictures at a certian sync time.
+       This means it earns the time to finish loading svg resources,
+       otherwise you can push pictures immediately. */
+    for (auto picture : pictures) {
+        canvas->push(unique_ptr<tvg::Picture>(picture));
+    }
+}
+
+
+/************************************************************************/
+/* Sw Engine Test Code                                                  */
+/************************************************************************/
+
+static unique_ptr<tvg::SwCanvas> swCanvas;
+
+void tvgSwTest(uint32_t* buffer)
+{
+    //Create a Canvas
+    swCanvas = tvg::SwCanvas::gen();
+    swCanvas->target(buffer, WIDTH, WIDTH, HEIGHT, tvg::SwCanvas::ARGB8888);
+
+    /* Push the shape into the Canvas drawing list
+       When this shape is into the canvas list, the shape could update & prepare
+       internal data asynchronously for coming rendering.
+       Canvas keeps this shape node unless user call canvas->clear() */
+    tvgDrawCmds(swCanvas.get());
+}
+
+void drawSwView(void* data, Eo* obj)
+{
+    t3 = ecore_time_get();
+
+    //Drawing task can be performed asynchronously.
+    if (swCanvas->draw() == tvg::Result::Success) {
+        swCanvas->sync();
+    }
+
+    t4 = ecore_time_get();
+    printf("[%5d]: total[%fs] update[%fs], render[%fs]\n", ++frame, t4 - t1, t2 - t1, t4 - t3);
+}
+
+void transitSwCb(Elm_Transit_Effect *effect, Elm_Transit* transit, double progress)
+{
+    t1 = ecore_time_get();
+
+    for (auto picture : pictures) {
+        picture->rotate(progress * 360);
+        swCanvas->update(picture);
+    }
+
+    t2 = ecore_time_get();
+
+    //Update Efl Canvas
+    auto img = (Eo*) effect;
+    evas_object_image_pixels_dirty_set(img, EINA_TRUE);
+    evas_object_image_data_update_add(img, 0, 0, WIDTH, HEIGHT);    
+}
+
+
+/************************************************************************/
+/* GL Engine Test Code                                                  */
+/************************************************************************/
+
+static unique_ptr<tvg::GlCanvas> glCanvas;
+
+void initGLview(Evas_Object *obj)
+{
+    static constexpr auto BPP = 4;
+
+    //Create a Canvas
+    glCanvas = tvg::GlCanvas::gen();
+    glCanvas->target(nullptr, WIDTH * BPP, WIDTH, HEIGHT);
+
+    /* Push the shape into the Canvas drawing list
+       When this shape is into the canvas list, the shape could update & prepare
+       internal data asynchronously for coming rendering.
+       Canvas keeps this shape node unless user call canvas->clear() */
+    tvgDrawCmds(glCanvas.get());
+}
+
+void drawGLview(Evas_Object *obj)
+{
+    auto gl = elm_glview_gl_api_get(obj);
+    gl->glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
+    gl->glClear(GL_COLOR_BUFFER_BIT);
+
+    if (glCanvas->draw() == tvg::Result::Success) {
+        glCanvas->sync();
+    }
+}
+
+void transitGlCb(Elm_Transit_Effect *effect, Elm_Transit* transit, double progress)
+{
+    for (auto picture : pictures) {
+        picture->rotate(progress * 360);
+        glCanvas->update(picture);
+    }
+}
+
+
+/************************************************************************/
+/* Main Code                                                            */
+/************************************************************************/
+
+int main(int argc, char **argv)
+{
+    tvg::CanvasEngine tvgEngine = tvg::CanvasEngine::Sw;
+
+    if (argc > 1) {
+        if (!strcmp(argv[1], "gl")) tvgEngine = tvg::CanvasEngine::Gl;
+    }
+
+    //Initialize ThorVG Engine
+    if (tvgEngine == tvg::CanvasEngine::Sw) {
+        cout << "tvg engine: software" << endl;
+    } else {
+        cout << "tvg engine: opengl" << endl;
+    }
+
+    //Threads Count
+    auto threads = std::thread::hardware_concurrency();
+
+    //Initialize ThorVG Engine
+    if (tvg::Initializer::init(tvgEngine, threads) == tvg::Result::Success) {
+
+        elm_init(argc, argv);
+
+        Elm_Transit *transit = elm_transit_add();
+
+        if (tvgEngine == tvg::CanvasEngine::Sw) {
+            auto view = createSwView();
+            elm_transit_effect_add(transit, transitSwCb, view, nullptr);
+        } else {
+            auto view = createGlView();
+            elm_transit_effect_add(transit, transitGlCb, view, nullptr);
+        }
+
+        elm_transit_duration_set(transit, 2);
+        elm_transit_repeat_times_set(transit, -1);
+        elm_transit_go(transit);
+
+        elm_run();
+        elm_shutdown();
+
+        //Terminate ThorVG Engine
+        tvg::Initializer::term(tvg::CanvasEngine::Sw);
+
+    } else {
+        cout << "engine is not supported" << endl;
+    }
+    return 0;
+}