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examples: ++exception handling

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Added handling for engine initialization failure.
This commit is contained in:
Hermet Park 2024-07-14 11:58:00 +09:00
parent ea7f8e6190
commit 7e9febf2c6
1 changed files with 8 additions and 6 deletions
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14
examples/Example.h
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@ -122,8 +122,6 @@ struct Example
struct Window struct Window
{ {
static Window* instance;
SDL_Window* window = nullptr; SDL_Window* window = nullptr;
tvg::CanvasEngine engine; tvg::CanvasEngine engine;
@ -135,6 +133,7 @@ struct Window
bool needResize = false; bool needResize = false;
bool needDraw = false; bool needDraw = false;
bool initialized = false;
bool print = false; bool print = false;
Window(tvg::CanvasEngine engine, Example* example, uint32_t width, uint32_t height, uint32_t threadsCnt) Window(tvg::CanvasEngine engine, Example* example, uint32_t width, uint32_t height, uint32_t threadsCnt)
@ -149,8 +148,7 @@ struct Window
this->width = width; this->width = width;
this->height = height; this->height = height;
this->example = example; this->example = example;
this->engine = engine; this->initialized = true;
this->instance = this;
} }
virtual ~Window() virtual ~Window()
@ -256,8 +254,6 @@ struct Window
virtual void refresh() {} virtual void refresh() {}
}; };
Window* Window::instance = nullptr;
/************************************************************************/ /************************************************************************/
/* SwCanvas Window Code */ /* SwCanvas Window Code */
@ -269,6 +265,8 @@ struct SwWindow : Window
SwWindow(Example* example, uint32_t width, uint32_t height, uint32_t threadsCnt) : Window(tvg::CanvasEngine::Sw, example, width, height, threadsCnt) SwWindow(Example* example, uint32_t width, uint32_t height, uint32_t threadsCnt) : Window(tvg::CanvasEngine::Sw, example, width, height, threadsCnt)
{ {
if (!initialized) return;
window = SDL_CreateWindow("ThorVG Example (Software)", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, SDL_WINDOW_HIDDEN | SDL_WINDOW_RESIZABLE); window = SDL_CreateWindow("ThorVG Example (Software)", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, SDL_WINDOW_HIDDEN | SDL_WINDOW_RESIZABLE);
//Create a Canvas //Create a Canvas
@ -312,6 +310,8 @@ struct GlWindow : Window
GlWindow(Example* example, uint32_t width, uint32_t height, uint32_t threadsCnt) : Window(tvg::CanvasEngine::Gl, example, width, height, threadsCnt) GlWindow(Example* example, uint32_t width, uint32_t height, uint32_t threadsCnt) : Window(tvg::CanvasEngine::Gl, example, width, height, threadsCnt)
{ {
if (!initialized) return;
#ifdef THORVG_GL_TARGET_GLES #ifdef THORVG_GL_TARGET_GLES
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES); SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3); SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
@ -368,6 +368,8 @@ struct WgWindow : Window
WgWindow(Example* example, uint32_t width, uint32_t height, uint32_t threadsCnt) : Window(tvg::CanvasEngine::Wg, example, width, height, threadsCnt) WgWindow(Example* example, uint32_t width, uint32_t height, uint32_t threadsCnt) : Window(tvg::CanvasEngine::Wg, example, width, height, threadsCnt)
{ {
if (!initialized) return;
window = SDL_CreateWindow("ThorVG Example (WebGPU)", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, SDL_WINDOW_HIDDEN); window = SDL_CreateWindow("ThorVG Example (WebGPU)", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, SDL_WINDOW_HIDDEN);
//Here we create our WebGPU surface from the window! //Here we create our WebGPU surface from the window!