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implement some stuff to make exaple SDL app run

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NOTE: the main addition in this commit is WIP support for apps which
render on an EGL surface obtained using ANativeWindow_fromSurface

currently, this EGL surface is obtained by creating a 700x700 pixel
window with GLFW (the 700x700 size is hardcoded in several places)
and only Wayland is supported

ideally, we'd want to use a wayland subsurface to position the EGL
surface above the Surface widget it's associated with (and do
whatever for X11)
This commit is contained in:
Mis012
2022-10-26 18:39:04 +02:00
parent 3627f35bd5
commit b801f0fb3c
26 changed files with 1552 additions and 161 deletions
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38
src/api-impl-jni/widgets/android_view_SurfaceView.c Normal file
View File

@@ -0,0 +1,38 @@
#include <gtk/gtk.h>
#include "../defines.h"
#include "../util.h"
#include "WrapperWidget.h"
#include "../generated_headers/android_view_SurfaceView.h"
struct jni_callback_data { JavaVM *jvm; jobject this; jclass this_class;};
static void on_mapped(GtkWidget* self, struct jni_callback_data *d)
{
JNIEnv *env;
(*d->jvm)->GetEnv(d->jvm, (void**)&env, JNI_VERSION_1_6);
(*env)->CallVoidMethod(env, d->this, _METHOD(d->this_class, "surfaceChanged", "(Landroid/view/SurfaceHolder;III)V"), _GET_OBJ_FIELD(d->this, "mSurfaceHolder", "Landroid/view/SurfaceHolder;"), 1 /*RGBA_8888*/, /*FIXME*/700, /*FIXME*/700);
}
JNIEXPORT void JNICALL Java_android_view_SurfaceView_native_1constructor(JNIEnv *env, jobject this, jobject context)
{
GtkWidget *wrapper = wrapper_widget_new();
GtkWidget *dummy = gtk_fixed_new();
gtk_widget_set_name(dummy, "dummy widget for SurfaceView");
wrapper_widget_set_child(WRAPPER_WIDGET(wrapper), dummy);
JavaVM *jvm;
(*env)->GetJavaVM(env, &jvm);
struct jni_callback_data *callback_data = malloc(sizeof(struct jni_callback_data));
callback_data->jvm = jvm;
callback_data->this = _REF(this);
callback_data->this_class = _REF(_CLASS(this));
g_signal_connect(dummy, "map", G_CALLBACK(on_mapped), callback_data);
_SET_LONG_FIELD(this, "widget", _INTPTR(dummy));
}