[fix] eliminate Slint UI frame rate cap on macOS and Linux

README.md

@@ -117,7 +117,8 @@ sudo apt-get install -y \
   libxinerama-dev libxcursor-dev libxi-dev libxfixes-dev libxv-dev \
   libxtst-dev libxcb-randr0-dev libxcb-xtest0-dev libxcb-xinerama0-dev \
   libxcb-shape0-dev libxcb-xkb-dev libxcb-xfixes0-dev libxcb-shm0-dev \
-  libasound2-dev libsndio-dev libpulse-dev
+  libasound2-dev libsndio-dev libpulse-dev \
+  libgl1-mesa-dev
 ```
 
 Ubuntu 20.04 自带的 CMake 3.16 不满足要求时，xmake 会自动下载并使用

README_EN.md

@@ -120,7 +120,8 @@ sudo apt-get install -y \
   libxinerama-dev libxcursor-dev libxi-dev libxfixes-dev libxv-dev \
   libxtst-dev libxcb-randr0-dev libxcb-xtest0-dev libxcb-xinerama0-dev \
   libxcb-shape0-dev libxcb-xkb-dev libxcb-xfixes0-dev libxcb-shm0-dev \
-  libasound2-dev libsndio-dev libpulse-dev
+  libasound2-dev libsndio-dev libpulse-dev \
+  libgl1-mesa-dev
 ```
 
 When Ubuntu 20.04's bundled CMake 3.16 is too old, xmake automatically

scripts/linux/package_deb.sh

@@ -160,7 +160,7 @@ Depends: libc6 (>= 2.31), libstdc++6 (>= 10), libx11-6, libxext6,
  libxrender1, libxft2, libxrandr2, libxfixes3, libxcb1, libxcb-randr0,
  libxcb-xtest0, libxcb-xinerama0, libxcb-shape0, libxcb-xkb1,
  libxcb-xfixes0, libxv1, libxtst6, $ALSA_RUNTIME_DEP, libsndio7.0,
- libxcb-shm0, libpulse0, libdrm2, libdbus-1-3
+ libxcb-shm0, libpulse0, libdrm2, libdbus-1-3, libgl1
 Recommends: $RECOMMENDS
 Priority: optional
 Section: utils

src/gui/application/gui_application.cpp

@@ -36,9 +36,15 @@
 
 #include "platform/tray/win_tray.h"
 #elif defined(__APPLE__)
+#ifndef GL_SILENCE_DEPRECATION
+#define GL_SILENCE_DEPRECATION
+#endif
+#include <OpenGL/gl.h>
+
 #include "platform/tray/mac_tray.h"
 #include "platform/window_drag.h"
 #elif defined(__linux__)
+#include <GL/gl.h>
 #include <X11/Xatom.h>
 #include <X11/Xlib.h>
 #include <unistd.h>
@@ -53,9 +59,7 @@ namespace {
 
 using namespace std::chrono_literals;
 
-#if _WIN32
 constexpr GLint kGlClampToEdge = 0x812F;
-#endif
 
 struct VideoRenderSize {
   int width = 0;
@@ -860,7 +864,6 @@ struct GuiApplication::SlintUi {
           std::make_shared<slint::VectorModel<slint::SharedString>>();
   std::unordered_map<std::string, uint64_t> displayed_frame_sequence;
   std::vector<uint8_t> scaled_video_frame;
-#if _WIN32
   std::mutex video_gl_mutex;
   std::vector<uint8_t> video_gl_conversion_frame;
   std::vector<uint8_t> video_gl_pending_frame;
@@ -869,7 +872,6 @@ struct GuiApplication::SlintUi {
   VideoRenderSize video_gl_image_size;
   VideoRenderSize video_gl_pending_size;
   bool video_gl_pending_dirty = false;
-#endif
   std::vector<std::string> tab_order;
   std::vector<std::string> tab_ids;
   std::string tab_model_signature;
@@ -2837,7 +2839,6 @@ void GuiApplication::SyncStreamVideoFrame() {
     }
   }
 
-#if _WIN32
   uint32_t texture_id = 0;
   {
     std::lock_guard lock(ui_->video_gl_mutex);
@@ -2878,7 +2879,6 @@ void GuiApplication::SyncStreamVideoFrame() {
     ++props->frame_count_;
     return;
   }
-#endif
 
   slint::SharedPixelBuffer<slint::Rgb8Pixel> pixels(output_width,
                                                     output_height);
@@ -2897,7 +2897,6 @@ void GuiApplication::SyncStreamVideoFrame() {
 }
 
 void GuiApplication::ConfigureStreamVideoRenderer() {
-#if _WIN32
   if (!ui_ || !ui_->stream) {
     return;
   }
@@ -2972,7 +2971,6 @@ void GuiApplication::ConfigureStreamVideoRenderer() {
   if (error.has_value()) {
     LOG_WARN("Slint OpenGL video renderer unavailable, using pixel buffers");
   }
-#endif
 }
 
 void GuiApplication::ScheduleNextVideoFrame() {

xmake/targets.lua

@@ -282,6 +282,7 @@ function setup_targets()
             add_files("src/gui/runtime/*.mm", "src/gui/platform/tray/*.mm",
                 "src/gui/platform/window_drag_mac.mm")
         elseif is_os("linux") then
+            add_links("GL")
             add_files("src/gui/platform/tray/linux_tray.cpp")
         end