From e6a3d6009b888d4d31b9efba92ec67ee41e90be0 Mon Sep 17 00:00:00 2001
From: fgsfds <pvt.fgsfds@gmail.com>
Date: Wed, 26 Feb 2020 19:02:37 +0300
Subject: [PATCH] add glGetError to nogl

---
 src/nogl/noGL.pas     | 2 ++
 src/nogl/noGLES1.inc  | 7 +++++++
 src/nogl/noGLSTUB.inc | 5 +++++
 3 files changed, 14 insertions(+)

diff --git a/src/nogl/noGL.pas b/src/nogl/noGL.pas
index 68c74ad..243d7c9 100644
--- a/src/nogl/noGL.pas
+++ b/src/nogl/noGL.pas
@@ -42,6 +42,7 @@ interface
     TGLclampx   = GLclampx;
 
   const
+    GL_NO_ERROR = 0;
     GL_NEAREST = $2600;
     GL_DEPTH_TEST = $0B71;
     GL_SCISSOR_TEST = $0C11;
@@ -148,6 +149,7 @@ interface
   procedure glDisable(cap: GLenum);
   function  glIsEnabled(cap: GLenum): GLboolean;
   function  glGetString(name: GLenum): PChar;
+  function  glGetError: GLenum;
   procedure glClearColor(red, green, blue, alpha: GLclampf);
   procedure glClear(mask: GLbitfield);
   procedure glAlphaFunc(func: GLenum; ref: GLclampf);
diff --git a/src/nogl/noGLES1.inc b/src/nogl/noGLES1.inc
index 9aa8783..05cce69 100644
--- a/src/nogl/noGLES1.inc
+++ b/src/nogl/noGLES1.inc
@@ -46,6 +46,7 @@ implementation
     es_glDisable: procedure (cap: GLenum); cdecl;
     es_glIsEnabled: function (cap: GLenum): GLBoolean; cdecl;
     es_glGetString: function (name: GLenum): PChar; cdecl;
+    es_glGetError: function (): GLenum; cdecl;
     es_glClearColor: procedure (red, green, blue, alpha: GLclampf); cdecl;
     es_glClear: procedure (mask: GLbitfield); cdecl;
     es_glAlphaFunc: procedure (func: GLenum; ref: GLclampf); cdecl;
@@ -115,6 +116,11 @@ implementation
     result := es_glGetString(name);
   end;
 
+  function glGetError: GLenum;
+  begin
+    result := es_glGetError
+  end;
+
   procedure glClearColor(red, green, blue, alpha: GLclampf);
   begin
     es_glClearColor(red, green, blue, alpha);
@@ -492,6 +498,7 @@ implementation
     es_glDisable := SDL_GL_GetProcAddress('glDisable');
     es_glIsEnabled := SDL_GL_GetProcAddress('glIsEnabled');
     es_glGetString := SDL_GL_GetProcAddress('glGetString');
+    es_glGetError := SDL_GL_GetProcAddress('glGetError');
     es_glClearColor := SDL_GL_GetProcAddress('glClearColor');
     es_glClear := SDL_GL_GetProcAddress('glClear');
     es_glAlphaFunc := SDL_GL_GetProcAddress('glAlphaFunc');
diff --git a/src/nogl/noGLSTUB.inc b/src/nogl/noGLSTUB.inc
index e0150b6..5fa0e47 100644
--- a/src/nogl/noGLSTUB.inc
+++ b/src/nogl/noGLSTUB.inc
@@ -18,6 +18,11 @@ implementation
     result := ''
   end;
 
+  function glGetError: GLenum;
+  begin
+    result := GL_NO_ERROR
+  end;
+
   procedure glClearColor(red, green, blue, alpha: GLclampf);
   begin
   end;
-- 
2.29.2