maobo/cup_edit
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

no need to create WGL context explicitly - defer to Engine

Browse Source
This commit is contained in:
Nick Fisher
2024-03-07 17:16:48 +11:00
parent b8aab1d030
commit 4377a55747
1 changed files with 1 additions and 84 deletions
Download Patch File Download Diff File Expand all files Collapse all files

85
windows/wgl_context.cpp
View File

@@ -11,89 +11,6 @@ namespace flutter_filament {
WGLContext::WGLContext(flutter::PluginRegistrarWindows *pluginRegistrar,
flutter::TextureRegistrar *textureRegistrar)
: FlutterRenderContext(pluginRegistrar, textureRegistrar) {
auto hwnd = pluginRegistrar->GetView()->GetNativeWindow();
HDC whdc = GetDC(hwnd);
if (whdc == NULL) {
std::cout << "No device context for temporary window" << std::endl;
return;
}
std::cout << "No GL context exists, creating" << std::endl;
PIXELFORMATDESCRIPTOR pfd = {
sizeof(PIXELFORMATDESCRIPTOR),
1,
PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER, // Flags
PFD_TYPE_RGBA, // The kind of framebuffer. RGBA or palette.
24, // Colordepth of the framebuffer.
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
16, // Number of bits for the depthbuffer
0, // Number of bits for the stencilbuffer
0, // Number of Aux buffers in the framebuffer.
PFD_MAIN_PLANE,
0,
0,
0,
0};
int pixelFormat = ChoosePixelFormat(whdc, &pfd);
SetPixelFormat(whdc, pixelFormat, &pfd);
// We need a tmp context to retrieve and call wglCreateContextAttribsARB.
HGLRC tempContext = wglCreateContext(whdc);
if (!wglMakeCurrent(whdc, tempContext)) {
std::cout << "Failed to acquire temporary context" << std::endl;
return;
}
GLenum err = glGetError();
if (err != GL_NO_ERROR) {
std::cout << "GL Error @ 455 %d" << std::endl;
return;
}
PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribs = nullptr;
wglCreateContextAttribs =
(PFNWGLCREATECONTEXTATTRIBSARBPROC)wglGetProcAddress(
"wglCreateContextAttribsARB");
if (!wglCreateContextAttribs) {
std::cout << "Failed to resolve wglCreateContextAttribsARB" << std::endl;
return;
}
for (int minor = 5; minor >= 1; minor--) {
std::vector<int> mAttribs = {WGL_CONTEXT_MAJOR_VERSION_ARB, 4,
WGL_CONTEXT_MINOR_VERSION_ARB, minor, 0};
_context = wglCreateContextAttribs(whdc, nullptr, mAttribs.data());
if (_context) {
break;
}
}
wglMakeCurrent(NULL, NULL);
wglDeleteContext(tempContext);
if (!_context || !wglMakeCurrent(whdc, _context)) {
std::cout << "Failed to create OpenGL context." << std::endl;
return;
}
}
void WGLContext::ResizeRenderingSurface(uint32_t width, uint32_t height, uint32_t left, uint32_t top) {
@@ -118,7 +35,7 @@ void WGLContext::CreateRenderingSurface(
resultList.push_back(
flutter::EncodableValue((int64_t)_backingWindow->GetHandle()));
resultList.push_back(flutter::EncodableValue((int64_t) nullptr));
resultList.push_back(flutter::EncodableValue((int64_t)sharedContext));
resultList.push_back(flutter::EncodableValue((int64_t)_context));
result->Success(resultList);
#else
if(left != 0 || top != 0) {