convert framebuffer to class (#19800)

* class FrameBuffer

* fix build error

* remove bootlog

selfdrive/common/framebuffer.cc

@@ -1,6 +1,6 @@
+#include "framebuffer.h"
 #include "util.h"
 #include <cstdio>
-#include <cstdlib>
 #include <cassert>
 
 #include <ui/DisplayInfo.h>
@@ -32,7 +32,7 @@ struct FramebufferState {
     EGLContext context;
 };
 
-void framebuffer_swap(FramebufferState *s) {
+void FrameBuffer::swap() {
   eglSwapBuffers(s->display, s->surface);
   assert(glGetError() == GL_NO_ERROR);
 }
@@ -43,17 +43,15 @@ bool set_brightness(int brightness) {
   return 0 == write_file("/sys/class/leds/lcd-backlight/brightness", bright, strlen(bright));
 }
 
-void framebuffer_set_power(FramebufferState *s, int mode) {
+void FrameBuffer::set_power(int mode) {
   SurfaceComposerClient::setDisplayPowerMode(s->dtoken, mode);
 }
 
-FramebufferState* framebuffer_init(
-    const char* name, int32_t layer, int alpha,
-    int *out_w, int *out_h) {
+FrameBuffer::FrameBuffer(const char *name, uint32_t layer, int alpha, int *out_w, int *out_h) {
   status_t status;
   int success;
 
-  FramebufferState *s = new FramebufferState;
+  s = new FramebufferState;
 
   s->session = new SurfaceComposerClient();
   assert(s->session != NULL);
@@ -141,6 +139,11 @@ FramebufferState* framebuffer_init(
 
   if (out_w) *out_w = w;
   if (out_h) *out_h = h;
+}
 
-  return s;
+FrameBuffer::~FrameBuffer() {
+  eglDestroyContext(s->display, s->context);
+  eglDestroySurface(s->display, s->surface);
+  eglTerminate(s->display);
+  delete s;
 }