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event channel handlers

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This commit is contained in:
Nick Fisher
2023-09-25 23:55:28 +10:00
parent db5edfa8b9
commit 3bccce91bf
1 changed files with 60 additions and 51 deletions
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111
windows/polyvox_filament_plugin.cpp
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@@ -104,6 +104,13 @@ static void _freeResource(ResourceBuffer rbf, void *const plugin) {
void PolyvoxFilamentPlugin::CreateFilamentViewer(
const flutter::MethodCall<flutter::EncodableValue> &methodCall,
std::unique_ptr<flutter::MethodResult<flutter::EncodableValue>> result) {
const auto *args =
std::get_if<flutter::EncodableList>(methodCall.arguments());
const auto width = uint32_t(*(std::get_if<double>(&(args->at(0)))));
const auto height = uint32_t(*(std::get_if<double>(&(args->at(1)))));
const ResourceLoaderWrapper *const resourceLoader =
new ResourceLoaderWrapper(_loadResource, _freeResource, this);
@@ -111,30 +118,11 @@ void PolyvoxFilamentPlugin::CreateFilamentViewer(
_viewer = (void *)create_filament_viewer(_context, resourceLoader);
std::cout << "Created filament viewer " << std::endl;
// auto hwnd = _pluginRegistrar->GetView()->GetNativeWindow();
create_swap_chain(_viewer, nullptr, 1024, 768);
create_swap_chain(_viewer, nullptr, width, height);
// create_render_target(_viewer, _glTextureId, 1024, 768);
// Update the texture @ 10 Hz
// Setting this to 60 Hz might cause epileptic shocks :D
_frameInterval = std::chrono::milliseconds(1000 / 60);
// std::thread([&]() {
// while (true) {
// if (_rendering) {
// auto callback = [](void *buf, size_t size, void *data) {
// auto plugin = (PolyvoxFilamentPlugin*)data;
// plugin->_textureRegistrar->MarkTextureFrameAvailable(
// plugin->_flutterTextureId);
// };
// render(_viewer, 0, _pixelData.get(), callback, this);
// }
// std::this_thread::sleep_for(std::chrono::milliseconds(_frameInterval));
// }
// }).detach();
create_render_target(_viewer, _glTextureId, width, height);
result->Success(flutter::EncodableValue((int64_t)_viewer));
}
@@ -147,7 +135,10 @@ void PolyvoxFilamentPlugin::Render(
plugin->_textureRegistrar->MarkTextureFrameAvailable(
plugin->_flutterTextureId);
};
render(_viewer, 0, _pixelData.get(), callback, this);
// render(_viewer, 0, _pixelData.get(), callback, this);
render(_viewer, 0, nullptr, nullptr, nullptr);
_textureRegistrar->MarkTextureFrameAvailable(_flutterTextureId);
result->Success(flutter::EncodableValue(true));
}
@@ -161,6 +152,12 @@ void PolyvoxFilamentPlugin::CreateTexture(
const flutter::MethodCall<flutter::EncodableValue> &methodCall,
std::unique_ptr<flutter::MethodResult<flutter::EncodableValue>> result) {
const auto *args =
std::get_if<flutter::EncodableList>(methodCall.arguments());
const auto width = (uint32_t)round(*(std::get_if<double>(&(args->at(0)))));
const auto height = (uint32_t)round(*(std::get_if<double>(&(args->at(1)))));
HWND hwnd = _pluginRegistrar->GetView()
->GetNativeWindow(); // CreateWindowA("STATIC", "dummy", 0, 0,
// 0, 1, 1, NULL, NULL, NULL, NULL);
@@ -245,7 +242,7 @@ void PolyvoxFilamentPlugin::CreateTexture(
return;
}
_pixelData.reset(new uint8_t[1024 * 768 * 4]);
_pixelData.reset(new uint8_t[width * height * 4]);
glGenTextures(1, &_glTextureId);
@@ -258,45 +255,57 @@ void PolyvoxFilamentPlugin::CreateTexture(
glBindTexture(GL_TEXTURE_2D, _glTextureId);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 1024, 768, 0, GL_RGBA,
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0, GL_RGBA,
GL_UNSIGNED_BYTE, 0);
err = glGetError();
if (err != GL_NO_ERROR) {
result->Error("ERROR", "Failed to generate texture, GL error was %d", err);
return;
}
_pixelBuffer = std::make_unique<FlutterDesktopPixelBuffer>();
_pixelBuffer->buffer = _pixelData.get();
_pixelBuffer->width = 1024;
_pixelBuffer->height = 768;
_pixelBuffer->width = size_t(width);
_pixelBuffer->height = size_t(height);
_texture =
std::make_unique<flutter::TextureVariant>(flutter::PixelBufferTexture(
[=](size_t width,
size_t height) -> const FlutterDesktopPixelBuffer * {
// if(!_context || !wglMakeCurrent(whdc, _context)) {
// std::cout << "Failed to switch OpenGL context." << std::endl;
// } else {
// uint8_t* data = new uint8_t[1024*768*4];
// auto buf = _pixelData.get();
// for(int y = 0; y < 768; y++) {
// for(int x=0; x < 1024; x++) {
// data[y*768 + (x*4)] = uint8_t(buf[y*768 + (x*4)] * 255);
// data[y*768 + (x*4+1)] = uint8_t(buf[y*768 + (x*4)] * 255);
// data[y*768 + (x*4+2)] = uint8_t(buf[y*768 + (x*4)] * 255);
// data[y*768 + (x*4+3)] = 255;
// }
// }
// glClearColor(0.1f, 0.2f, 0.3f, 1.0f);
// glClear(GL_COLOR_BUFFER_BIT);
// glReadPixels(0,0, (GLsizei)1024, (GLsizei)768, GL_RGBA,
// GL_UNSIGNED_BYTE, data);
// _pixelData.reset(data);
_pixelBuffer->buffer = _pixelData.get();
// wglMakeCurrent(NULL, NULL);
// }
if(!_context || !wglMakeCurrent(whdc, _context)) {
std::cout << "Failed to switch OpenGL context." << std::endl;
} else {
uint8_t* data = new uint8_t[width*height*4];
glBindTexture(GL_TEXTURE_2D, _glTextureId);
glGetTexImage(GL_TEXTURE_2D,0,GL_RGBA,GL_UNSIGNED_BYTE,data);
GLenum err = glGetError();
if(err != GL_NO_ERROR) {
if(err == GL_INVALID_OPERATION) {
std::cout << "Invalid op" << std::endl;
} else if(err == GL_INVALID_VALUE) {
std::cout << "Invalid value" << std::endl;
} else if(err == GL_OUT_OF_MEMORY) {
std::cout << "Out of mem" << std::endl;
} else if(err == GL_INVALID_ENUM ) {
std::cout << "Invalid enum" << std::endl;
} else {
std::cout << "Unknown error" << std::endl;
}
}
_pixelData.reset(data);
wglMakeCurrent(NULL, NULL);
}
_pixelBuffer->buffer = _pixelData.get();
return _pixelBuffer.get();