From 6d1d8857fc088de4c463cdd2ceb83e9745a38a02 Mon Sep 17 00:00:00 2001
From: TotallyNotElite <1yourexperiment@protonmail.com>
Date: Sun, 1 Mar 2020 13:33:22 +0100
Subject: [PATCH] remove glew if using imgui drawing

---
 CMakeLists.txt                  | 6 ++++--
 src/visual/drawing.cpp          | 2 +-
 src/visual/imgui/imgui_impl.cpp | 4 ++--
 3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a6036181..70de5ef2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -137,7 +137,6 @@ if(EnableVisuals)
     endif()
     target_include_directories(cathook PRIVATE include/visual)
     find_package(SDL2 REQUIRED)
-    find_package(GLEW REQUIRED)
     if(ExternalDrawing)
         add_subdirectory(external/libxoverlay)
         target_link_libraries(cathook xoverlay)
@@ -147,7 +146,10 @@ if(EnableVisuals)
     if (EnableGlezDrawing)
         target_link_libraries(cathook glez)
     endif()
-    target_link_libraries(cathook ${GLEW_LIBRARIES})
+    if (EnableGlezDrawing)
+        find_package(GLEW REQUIRED)
+        target_link_libraries(cathook ${GLEW_LIBRARIES})
+    endif()
 endif()
 
 configure_file(include/config.h.in ${CMAKE_SOURCE_DIR}/include/config.h @ONLY)
diff --git a/src/visual/drawing.cpp b/src/visual/drawing.cpp
index 4ca2266f..5dec73b8 100644
--- a/src/visual/drawing.cpp
+++ b/src/visual/drawing.cpp
@@ -572,7 +572,7 @@ void InitGL()
     xoverlay_draw_end();
 #else
 #if ENABLE_IMGUI_DRAWING
-    glewInit();
+    // glewInit();
     im_renderer::init();
 #elif ENABLE_GLEZ_DRAWING || ENABLE_IMGUI_DRAWING
     glClearColor(1.0, 0.0, 0.0, 0.5);
diff --git a/src/visual/imgui/imgui_impl.cpp b/src/visual/imgui/imgui_impl.cpp
index 82fe68f2..f4ecc2e1 100755
--- a/src/visual/imgui/imgui_impl.cpp
+++ b/src/visual/imgui/imgui_impl.cpp
@@ -1,5 +1,5 @@
 
-#include <GL/glew.h>
+//#include <GL/glew.h>
 #include "visual/imgui/imgui_impl.h"
 #include "visual/drawing.hpp"
 #include "visual/imgui/imgui.h"
@@ -38,7 +38,7 @@ void ImGui_Impl_Render(ImDrawData *draw_data)
     glPushAttrib(GL_ENABLE_BIT | GL_COLOR_BUFFER_BIT | GL_TRANSFORM_BIT);
     glEnable(GL_BLEND);
     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-    glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE);
+    // glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE);
     glDisable(GL_CULL_FACE);
     glDisable(GL_DEPTH_TEST);
     glDisable(GL_LIGHTING);