upgrade to `GRAPHICS_API_OPENGL_ES3`

projects/Xcode15/raylib.xcodeproj/project.pbxproj

@@ -343,8 +343,9 @@
 				GCC_C_LANGUAGE_STANDARD = gnu17;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"DEBUG=1",
-					GRAPHICS_API_OPENGL_ES2,
+					GRAPHICS_API_OPENGL_ES3,
 					PLATFORM_IOS,
+					GL_GLEXT_PROTOTYPES,
 				);
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
@@ -362,7 +363,9 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
+				LIBRARY_SEARCH_PATHS = "";
 				MARKETING_VERSION = 1.0;
+				OTHER_LDFLAGS = "";
 				PRODUCT_BUNDLE_IDENTIFIER = com.example.raylib;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = YES;
@@ -385,8 +388,9 @@
 				DEVELOPMENT_TEAM = A7A93GC9AY;
 				GCC_C_LANGUAGE_STANDARD = gnu17;
 				GCC_PREPROCESSOR_DEFINITIONS = (
-					GRAPHICS_API_OPENGL_ES2,
+					GRAPHICS_API_OPENGL_ES3,
 					PLATFORM_IOS,
+					GL_GLEXT_PROTOTYPES,
 				);
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
@@ -404,7 +408,9 @@
 					"$(inherited)",
 					"@executable_path/Frameworks",
 				);
+				LIBRARY_SEARCH_PATHS = "";
 				MARKETING_VERSION = 1.0;
+				OTHER_LDFLAGS = "";
 				PRODUCT_BUNDLE_IDENTIFIER = com.example.raylib;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_EMIT_LOC_STRINGS = YES;

src/platforms/rcore_ios.c

@@ -506,18 +506,11 @@ int InitPlatform(void)
         EGL_SAMPLES, samples,       // 4x Antialiasing if activated (Free on MALI GPUs)
         EGL_NONE
     };
-
-//    const EGLint contextAttribs[] =
-//    {
-//        EGL_CONTEXT_CLIENT_VERSION, 2,
-//        EGL_NONE
-//    };
     
     const EGLint contextAttribs[] =
     {
-        EGL_CONTEXT_MAJOR_VERSION, 2,
-        EGL_CONTEXT_MINOR_VERSION, 0,
-        EGL_NONE,
+        EGL_CONTEXT_CLIENT_VERSION, 3,
+        EGL_NONE
     };
 
     EGLint numConfigs = 0;
@@ -584,6 +577,8 @@ int InitPlatform(void)
         TRACELOG(LOG_INFO, "    > Screen size:  %i x %i", CORE.Window.screen.width, CORE.Window.screen.height);
         TRACELOG(LOG_INFO, "    > Render size:  %i x %i", CORE.Window.render.width, CORE.Window.render.height);
         TRACELOG(LOG_INFO, "    > Viewport offsets: %i, %i", CORE.Window.renderOffset.x, CORE.Window.renderOffset.y);
+        TRACELOG(LOG_WARNING, "    > GL: %s", glGetString(GL_VERSION));
+        TRACELOG(LOG_WARNING, "    > EGL: %s", eglQueryString(platform.device, EGL_VERSION));
     }
     //----------------------------------------------------------------------------
     // Load OpenGL extensions

src/rlgl.h

@@ -816,12 +816,13 @@ RLAPI void rlLoadDrawQuad(void);     // Load and draw a quad
 #endif
 
 #if defined(PLATFORM_IOS)
-    #ifndef GRAPHICS_API_OPENGL_ES2
-        #error "GRAPHICS_API_OPENGL_ES2 required on PLATFORM_IOS"
+    #ifndef GRAPHICS_API_OPENGL_ES3
+        #error "GRAPHICS_API_OPENGL_ES3 required on PLATFORM_IOS"
     #endif
     #include "libGLESv2/GLES/glext.h"
     #include "libGLESv2/GLES2/gl2.h"
     #include "libGLESv2/GLES2/gl2ext.h"           // OpenGL ES 2.0 extensions library
+    #include "libGLESv2/GLES3/gl3.h"
 #elif defined(GRAPHICS_API_OPENGL_ES3)
     #include <GLES3/gl3.h>              // OpenGL ES 3.0 library
     #define GL_GLEXT_PROTOTYPES