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don't call endFrame() unless beginFrame() was called

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only use condition_variable on non-emscripten builds
This commit is contained in:
Nick Fisher
2025-06-03 16:39:04 +08:00
parent 28aef7e5cc
commit e147e59d8d
6 changed files with 41 additions and 28 deletions
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18
thermion_dart/native/web/src/cpp/ThermionWebApi.cpp
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@@ -24,7 +24,13 @@ extern "C"
EMSCRIPTEN_KEEPALIVE void Thermion_resizeCanvas(int width, int height) {
emscripten_set_canvas_element_size("#thermion_canvas", width, height);
}
static EMSCRIPTEN_WEBGL_CONTEXT_HANDLE _context;
EMSCRIPTEN_WEBGL_CONTEXT_HANDLE EMSCRIPTEN_KEEPALIVE Thermion_getGLContext() {
return _context;
}
EMSCRIPTEN_WEBGL_CONTEXT_HANDLE EMSCRIPTEN_KEEPALIVE Thermion_createGLContext() {
std::cout << "Creating WebGL context." << std::endl;
@@ -43,16 +49,16 @@ extern "C"
attr.renderViaOffscreenBackBuffer = EM_FALSE;
attr.majorVersion = 2;
auto context = emscripten_webgl_create_context("#thermion_canvas", &attr);
_context = emscripten_webgl_create_context("#thermion_canvas", &attr);
if(!context) {
if(!_context) {
std::cout << "Failed to create WebGL context" << std::endl;
return context;
return _context;
}
std::cout << "Created WebGL context " << attr.majorVersion << "." << attr.minorVersion << std::endl;
auto success = emscripten_webgl_make_context_current((EMSCRIPTEN_WEBGL_CONTEXT_HANDLE)context);
auto success = emscripten_webgl_make_context_current(_context);
if(success != EMSCRIPTEN_RESULT_SUCCESS) {
std::cout << "Failed to make WebGL context current"<< std::endl;
} else {
@@ -65,7 +71,7 @@ extern "C"
glClear(GL_COLOR_BUFFER_BIT);
}
std::cout << "Returning context" << std::endl;
return context;
return _context;
}
emscripten::val emscripten_make_uint8_buffer(int ptr, int length) {