SDL: cmake: allow disabling OpenGL support when building with GLES using PSP2-PVR

SDL Commits
1 
From a8a5bd3d6b6dae1cddaff71e1c88d850571ad338 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Mon, 23 Jan 2023 20:41:00 +0100
Subject: [PATCH] cmake: allow disabling OpenGL support when building with GLES
 using PSP2-PVR

---
 CMakeLists.txt | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2d461ee9c2d1..0f105d978a7e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2497,7 +2497,6 @@ elseif(VITA)
       check_include_file(gpu_es4/psp2_pvr_hint.h HAVE_PVR_H)
       if(HAVE_PVR_H)
         target_compile_definitions(sdl-build-options INTERFACE "-D__psp2__")
-        check_include_file(gl4esinit.h HAVE_GL4ES_H)
         set(SDL_VIDEO_OPENGL_EGL 1)
         set(HAVE_OPENGLES TRUE)
         set(SDL_VIDEO_OPENGL_ES 1)
@@ -2514,12 +2513,15 @@ elseif(VITA)
         set(HAVE_VIDEO_VITA_PVR ON)
         set(SDL_VIDEO_VITA_PVR 1)
 
-        if(HAVE_GL4ES_H)
-          set(HAVE_OPENGL TRUE)
-          set(SDL_VIDEO_OPENGL 1)
-          set(SDL_VIDEO_RENDER_OGL 1)
-          list(APPEND EXTRA_LIBS libGL_stub)
-          set(SDL_VIDEO_VITA_PVR_OGL 1)
+        if(SDL_OPENGL)
+          check_include_file(gl4esinit.h HAVE_GL4ES_H)
+          if(HAVE_GL4ES_H)
+            set(HAVE_OPENGL TRUE)
+            set(SDL_VIDEO_OPENGL 1)
+            set(SDL_VIDEO_RENDER_OGL 1)
+            list(APPEND EXTRA_LIBS libGL_stub)
+            set(SDL_VIDEO_VITA_PVR_OGL 1)
+          endif()
         endif()
 
       else()