From d1baa97be5b86d5f7ec45b2aa17ff2254eb6ade1 Mon Sep 17 00:00:00 2001
From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Sat, 16 Apr 2016 22:43:55 +0300
Subject: kmscube: wayland

---
 kmscube/cube-wl.cpp | 64 +++++++++++++++++++++--------------------------------
 1 file changed, 25 insertions(+), 39 deletions(-)

(limited to 'kmscube/cube-wl.cpp')

diff --git a/kmscube/cube-wl.cpp b/kmscube/cube-wl.cpp
index c8dfa56..de75f88 100644
--- a/kmscube/cube-wl.cpp
+++ b/kmscube/cube-wl.cpp
@@ -2,22 +2,21 @@
 #include <wayland-client.h>
 #include <wayland-egl.h>
 
-#include <EGL/egl.h>
-#include <GL/gl.h>
-
 #include <string.h>
+#include <stdio.h>
+
+#include "cube.h"
+#include "cube-egl.h"
+#include "cube-gles2.h"
 
 static struct wl_compositor *s_compositor = NULL;
 static struct wl_shell *s_shell = NULL;
-static EGLDisplay s_egl_display;
 static char s_running = 1;
 
 struct window {
-	EGLContext egl_context;
 	struct wl_surface *surface;
 	struct wl_shell_surface *shell_surface;
 	struct wl_egl_window *egl_window;
-	EGLSurface egl_surface;
 };
 
 // listeners
@@ -53,70 +52,57 @@ static void shell_surface_popup_done(void *data, struct wl_shell_surface *shell_
 
 }
 
-static struct wl_shell_surface_listener shell_surface_listener = { &shell_surface_ping, &shell_surface_configure, &shell_surface_popup_done };
+static struct wl_shell_surface_listener shell_surface_listener = {
+	&shell_surface_ping, &shell_surface_configure, &shell_surface_popup_done
+};
 
 static void create_window(struct window *window, int32_t width, int32_t height)
 {
-	eglBindAPI(EGL_OPENGL_API);
-	EGLint attributes[] = {
-		EGL_RED_SIZE,	8,
-		EGL_GREEN_SIZE, 8,
-		EGL_BLUE_SIZE,	8,
-		EGL_NONE
-	};
-	EGLConfig config;
-	EGLint num_config;
-	eglChooseConfig(s_egl_display, attributes, &config, 1, &num_config);
-	window->egl_context = eglCreateContext(s_egl_display, config, EGL_NO_CONTEXT, NULL);
-
 	window->surface = wl_compositor_create_surface(s_compositor);
 	window->shell_surface = wl_shell_get_shell_surface(s_shell, window->surface);
 	wl_shell_surface_add_listener(window->shell_surface, &shell_surface_listener, window);
 	wl_shell_surface_set_toplevel(window->shell_surface);
 	window->egl_window = wl_egl_window_create(window->surface, width, height);
-	window->egl_surface = eglCreateWindowSurface(s_egl_display, config, window->egl_window, NULL);
-	eglMakeCurrent(s_egl_display, window->egl_surface, window->egl_surface, window->egl_context);
 }
 
 static void delete_window(struct window *window)
 {
-	eglDestroySurface(s_egl_display, window->egl_surface);
 	wl_egl_window_destroy(window->egl_window);
 	wl_shell_surface_destroy(window->shell_surface);
 	wl_surface_destroy(window->surface);
-	eglDestroyContext(s_egl_display, window->egl_context);
-}
-
-static void draw_window(struct window *window)
-{
-	glClearColor(0.0, 1.0, 0.0, 1.0);
-	glClear(GL_COLOR_BUFFER_BIT);
-	eglSwapBuffers(s_egl_display, window->egl_surface);
 }
 
-int main_wl()
+void main_wl()
 {
 	struct wl_display *display = wl_display_connect(NULL);
 	struct wl_registry *registry = wl_display_get_registry(display);
 	wl_registry_add_listener(registry, &registry_listener, NULL);
 	wl_display_roundtrip(display);
 
-	s_egl_display = eglGetDisplay(display);
-	eglInitialize(s_egl_display, NULL, NULL);
-
 	uint32_t width = 600;
 	uint32_t height = 600;
 
 	struct window window;
 	create_window(&window, width, height);
 
-	while (s_running) {
-		wl_display_dispatch_pending(display);
-		draw_window(&window);
+	{
+		EglState egl(display);
+		EglSurface surface(egl, window.egl_window);
+		GlScene scene;
+
+		scene.set_viewport(width, height);
+
+		int framenum = 0;
+
+		while (s_running) {
+			wl_display_dispatch_pending(display);
+
+			surface.make_current();
+			scene.draw(framenum++);
+			surface.swap_buffers();
+		}
 	}
 
 	delete_window(&window);
-	eglTerminate(s_egl_display);
 	wl_display_disconnect(display);
-	return 0;
 }
-- 
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