convert framebuffer to class (#19800)

* class FrameBuffer

* fix build error

* remove bootlog

installer/updater/updater.cc

@@ -12,6 +12,7 @@
 #include <fstream>
 #include <iostream>
 #include <mutex>
+#include <memory>
 #include <thread>
 
 #include <curl/curl.h>
@@ -183,7 +184,7 @@ struct Updater {
 
   int fb_w, fb_h;
 
-  FramebufferState *fb = NULL;
+  std::unique_ptr<FrameBuffer> fb;
   NVGcontext *vg = NULL;
   int font_regular;
   int font_semibold;
@@ -227,11 +228,9 @@ struct Updater {
   void ui_init() {
     touch_init(&touch);
 
-    fb = framebuffer_init("updater", 0x00001000, false,
-                          &fb_w, &fb_h);
-    assert(fb);
+    fb = std::make_unique<FrameBuffer>("updater", 0x00001000, false, &fb_w, &fb_h);
 
-    framebuffer_set_power(fb, HWC_POWER_MODE_NORMAL);
+    fb->set_power(HWC_POWER_MODE_NORMAL);
 
     vg = nvgCreateGLES3(NVG_ANTIALIAS | NVG_STENCIL_STROKES | NVG_DEBUG);
     assert(vg);
@@ -751,7 +750,7 @@ struct Updater {
 
       glDisable(GL_BLEND);
 
-      framebuffer_swap(fb);
+      fb->swap();
 
       assert(glGetError() == GL_NO_ERROR);
 

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;
 }

selfdrive/common/framebuffer.h

@@ -1,13 +1,7 @@
 #pragma once
 
-typedef struct FramebufferState FramebufferState;
+#include <cstdlib>
 
-FramebufferState* framebuffer_init(
-    const char* name, int32_t layer, int alpha,
-    int *out_w, int *out_h);
-
-void framebuffer_set_power(FramebufferState *s, int mode);
-void framebuffer_swap(FramebufferState *s);
 bool set_brightness(int brightness);
 
 /* Display power modes */
@@ -35,3 +29,14 @@ enum {
      * functionality. */
     HWC_POWER_MODE_DOZE_SUSPEND  = 3,
 };
+
+struct FramebufferState;
+class FrameBuffer {
+ public:
+  FrameBuffer(const char *name, uint32_t layer, int alpha, int *out_w, int *out_h);
+  ~FrameBuffer();
+  void set_power(int mode);
+  void swap();
+private:
+  FramebufferState *s;
+};

selfdrive/ui/SConscript

@@ -3,7 +3,7 @@ Import('env', 'qt_env', 'arch', 'common', 'messaging', 'gpucommon', 'visionipc',
 
 
 src = ['ui.cc', 'paint.cc', 'sidebar.cc', '#phonelibs/nanovg/nanovg.c']
-libs = [common, 'zmq', 'capnp', 'kj', 'm', 'OpenCL', cereal, messaging, gpucommon, visionipc]
+libs = [gpucommon, common, 'zmq', 'capnp', 'kj', 'm', 'OpenCL', cereal, messaging, visionipc]
 
 if qt_env is None:
   libs += ['EGL', 'GLESv3', 'gnustl_shared', 'log', 'utils', 'gui', 'hardware',

selfdrive/ui/android/text/text.cc

@@ -4,7 +4,7 @@
 #include <math.h>
 #include <unistd.h>
 #include <assert.h>
-
+#include <memory>
 #include <GLES3/gl3.h>
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
@@ -30,7 +30,7 @@ int main(int argc, char** argv) {
 
   // spinner
   int fb_w, fb_h;
-  FramebufferState *fb = framebuffer_init("text", 0x00001000, false,
+  std::unique_ptr<FrameBuffer> fb = std::make_unique<FrameBuffer>("text", 0x00001000, false,
                                           &fb_w, &fb_h);
   assert(fb);
 
@@ -41,7 +41,7 @@ int main(int argc, char** argv) {
   assert(font >= 0);
 
   // Awake
-  framebuffer_set_power(fb, HWC_POWER_MODE_NORMAL);
+  fb->set_power(HWC_POWER_MODE_NORMAL);
   set_brightness(255);
 
   glClearColor(0.1, 0.1, 0.1, 1.0);
@@ -106,7 +106,7 @@ int main(int argc, char** argv) {
 
   // Draw to screen
   nvgEndFrame(vg);
-  framebuffer_swap(fb);
+  fb->swap();
   assert(glGetError() == GL_NO_ERROR);
 
 

selfdrive/ui/android/ui.cc

@@ -53,7 +53,7 @@ static void handle_display_state(UIState *s, bool user_input) {
     s->awake = should_wake;
     int display_mode = s->awake ? HWC_POWER_MODE_NORMAL : HWC_POWER_MODE_OFF;
     LOGW("setting display mode %d", display_mode);
-    framebuffer_set_power(s->fb, display_mode);
+    s->fb->set_power(display_mode);
 
     if (s->awake) {
       system("service call window 18 i32 1");
@@ -178,7 +178,7 @@ int main(int argc, char* argv[]) {
       // warn on sub 15fps
       LOGW("slow frame(%llu) time: %.2f", (s->sm)->frame, u2-u1);
     }
-    framebuffer_swap(s->fb);
+    s->fb->swap();
   }
 
   handle_display_state(s, true);

selfdrive/ui/qt/home.cc

@@ -288,9 +288,8 @@ void GLWindow::wake() {
   handle_display_state(&ui_state, true);
 }
 
-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) {
   *out_w = vwp_w;
   *out_h = vwp_h;
-  return (FramebufferState*)1; // not null
 }
+FrameBuffer::~FrameBuffer() {}

selfdrive/ui/ui.cc

@@ -46,8 +46,7 @@ void ui_init(UIState *s) {
   s->started = false;
   s->status = STATUS_OFFROAD;
 
-  s->fb = framebuffer_init("ui", 0, true, &s->fb_w, &s->fb_h);
-  assert(s->fb);
+  s->fb = std::make_unique<FrameBuffer>("ui", 0, true, &s->fb_w, &s->fb_h);
 
   ui_nvg_init(s);
 

selfdrive/ui/ui.hpp

@@ -144,7 +144,7 @@ typedef struct UIState {
   VisionBuf * last_frame;
 
   // framebuffer
-  FramebufferState *fb;
+  std::unique_ptr<FrameBuffer> fb;
   int fb_w, fb_h;
 
   // NVG