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[client] imgui: use ES 3.0 and remove glew dependency

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If we specifically tell ImGui's OpenGL 3.x backend to target OpenGL ES 3.0,
then no extension loader is necessary.
This commit is contained in:
Quantum
2021-07-18 02:38:37 -04:00
committed by Geoffrey McRae
parent c6a6230a56
commit 42d8f31eba
4 changed files with 2 additions and 15 deletions
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3
client/renderers/EGL/CMakeLists.txt
View File

@@ -60,7 +60,7 @@ add_library(renderer_EGL STATIC
${PROJECT_TOP}/repos/cimgui/imgui/backends/imgui_impl_opengl3.cpp
)
target_compile_definitions(renderer_EGL PRIVATE CIMGUI_DEFINE_ENUMS_AND_STRUCTS=1)
target_compile_definitions(renderer_EGL PRIVATE CIMGUI_DEFINE_ENUMS_AND_STRUCTS=1 IMGUI_IMPL_OPENGL_ES3)
target_link_libraries(renderer_EGL
${RENDERER_EGL_PKGCONFIG_LIBRARIES}
@@ -69,7 +69,6 @@ target_link_libraries(renderer_EGL
fonts
cimgui
GLEW
)
target_include_directories(renderer_EGL

10
client/renderers/EGL/egl.c
View File

@@ -30,7 +30,6 @@
#include "util.h"
#include "dynamic/fonts.h"
#include <GL/glew.h>
#include <EGL/egl.h>
#include "cimgui.h"
@@ -925,14 +924,7 @@ bool egl_render_startup(void * opaque)
return false;
}
// glew is needed for imgui
if (!glewInit())
{
DEBUG_ERROR("GLEW failed to initialize");
return false;
}
if (!ImGui_ImplOpenGL3_Init("#version 100"))
if (!ImGui_ImplOpenGL3_Init("#version 300 es"))
{
DEBUG_ERROR("Failed to initialize ImGui");
return false;