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wasm: refine the logic for clarity

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1. return null canvas when engine is not avaiable.
2. remove the ifdef for unnecessary taret calls.
This commit is contained in:
Hermet Park 2025-02-27 16:38:21 +09:00 • committed by Hermet Park
parent 583fb6503c
commit ce96024e99
1 changed files with 23 additions and 23 deletions
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46
src/bindings/wasm/tvgWasmLottieAnimation.cpp
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@ -156,42 +156,42 @@ struct TvgSwEngine : TvgEngineMethod
struct TvgWgEngine : TvgEngineMethod
{
#ifdef THORVG_WG_RASTER_SUPPORT
WGPUSurface surface{};
#endif
#ifdef THORVG_WG_RASTER_SUPPORT
WGPUSurface surface{};
#endif
~TvgWgEngine()
{
#ifdef THORVG_WG_RASTER_SUPPORT
wgpuSurfaceRelease(surface);
#endif
#ifdef THORVG_WG_RASTER_SUPPORT
wgpuSurfaceRelease(surface);
Initializer::term(tvg::CanvasEngine::Wg);
retrieveFont();
#endif
}
Canvas* init(string& selector) override
{
#ifdef THORVG_WG_RASTER_SUPPORT
WGPUSurfaceDescriptorFromCanvasHTMLSelector canvasDesc{};
canvasDesc.chain.next = nullptr;
canvasDesc.chain.sType = WGPUSType_SurfaceDescriptorFromCanvasHTMLSelector;
canvasDesc.selector = selector.c_str();
#ifdef THORVG_WG_RASTER_SUPPORT
WGPUSurfaceDescriptorFromCanvasHTMLSelector canvasDesc{};
canvasDesc.chain.next = nullptr;
canvasDesc.chain.sType = WGPUSType_SurfaceDescriptorFromCanvasHTMLSelector;
canvasDesc.selector = selector.c_str();
WGPUSurfaceDescriptor surfaceDesc{};
surfaceDesc.nextInChain = &canvasDesc.chain;
surface = wgpuInstanceCreateSurface(instance, &surfaceDesc);
#endif
WGPUSurfaceDescriptor surfaceDesc{};
surfaceDesc.nextInChain = &canvasDesc.chain;
surface = wgpuInstanceCreateSurface(instance, &surfaceDesc);
Initializer::init(0, tvg::CanvasEngine::Wg);
loadFont();
return WgCanvas::gen();
#else
return nullptr;
#endif
}
void resize(Canvas* canvas, int w, int h) override
{
#ifdef THORVG_WG_RASTER_SUPPORT
static_cast<WgCanvas*>(canvas)->target(device, instance, surface, w, h, ColorSpace::ABGR8888S);
#endif
if (canvas) static_cast<WgCanvas*>(canvas)->target(device, instance, surface, w, h, ColorSpace::ABGR8888S);
}
};
@ -206,8 +206,8 @@ struct TvgGLEngine : TvgEngineMethod
emscripten_webgl_destroy_context(context);
context = 0;
}
#endif
retrieveFont();
#endif
}
Canvas* init(string& selector) override
@ -227,19 +227,19 @@ struct TvgGLEngine : TvgEngineMethod
if (context == 0) return nullptr;
emscripten_webgl_make_context_current(context);
#endif
if (Initializer::init(0, tvg::CanvasEngine::Gl) != Result::Success) return nullptr;
loadFont();
return GlCanvas::gen();
#else
return nullptr;
#endif
}
void resize(Canvas* canvas, int w, int h) override
{
#ifdef THORVG_GL_RASTER_SUPPORT
static_cast<GlCanvas*>(canvas)->target((void*)context, 0, w, h, ColorSpace::ABGR8888S);
#endif
if (canvas) static_cast<GlCanvas*>(canvas)->target((void*)context, 0, w, h, ColorSpace::ABGR8888S);
}
};