diff --git a/source/renderer/VertexFormat.cpp b/source/renderer/VertexFormat.cpp
index f43bf4324..21bc1c1b5 100644
--- a/source/renderer/VertexFormat.cpp
+++ b/source/renderer/VertexFormat.cpp
@@ -1,4 +1,6 @@
 #include <string.h>
+#define __STDC_LIMIT_MACROS
+#include <stdint.h>
 
 #include "VertexFormat.hpp"
 #include "world/phys/Vec2.hpp"
diff --git a/source/renderer/hal/ogl/ShaderOGL.cpp b/source/renderer/hal/ogl/ShaderOGL.cpp
index ce98f8da6..f985ad90d 100644
--- a/source/renderer/hal/ogl/ShaderOGL.cpp
+++ b/source/renderer/hal/ogl/ShaderOGL.cpp
@@ -68,7 +68,9 @@ void ShaderOGL::finalizeShaderUniforms()
 
 void ShaderOGL::freeCompilerResources()
 {
+#ifdef USE_GL_SHADER_PRECISION
     xglReleaseShaderCompiler();
+#endif
     glGetError();
 }
 
diff --git a/source/renderer/platform/ogl/ShaderPrecision.cpp b/source/renderer/platform/ogl/ShaderPrecision.cpp
index b9e959157..b21c7467b 100644
--- a/source/renderer/platform/ogl/ShaderPrecision.cpp
+++ b/source/renderer/platform/ogl/ShaderPrecision.cpp
@@ -33,7 +33,7 @@ GLint Precision::_getPrecision(GLenum shaderType, GLenum precisionType)
     GLint range[2];
     GLint precision = -1;
 
-#if GL_VERSION_4_1
+#ifdef USE_GL_SHADER_PRECISION
     const gl::Version& glVersion = gl::Version::singleton();
     if (glVersion.major >= 4 && glVersion.minor >= 1)
     {
diff --git a/thirdparty/GL/GL.hpp b/thirdparty/GL/GL.hpp
index cf5c3c6c9..31b7000b9 100644
--- a/thirdparty/GL/GL.hpp
+++ b/thirdparty/GL/GL.hpp
@@ -88,6 +88,12 @@
 	// use our macro for glOrtho
 #endif
 
+#ifndef GL_LOW_FLOAT
+#define GL_LOW_FLOAT    0x8DF0
+#define GL_MEDIUM_FLOAT 0x8DF1
+#define GL_HIGH_FLOAT   0x8DF2
+#endif
+
 #if defined(MC_GL_DEBUG_OUTPUT) && !defined(GL_ARB_debug_output)
 #undef MC_GL_DEBUG_OUTPUT
 #endif
@@ -169,6 +175,7 @@ bool xglInitted();
 #define xglEnableVertexAttribArray glEnableVertexAttribArray
 #endif // GL_VERSION_2_0 || GL_ES_VERSION_2_0
 #if GL_VERSION_4_1 || GL_ES_VERSION_2_0
+#define USE_GL_SHADER_PRECISION
 #define xglReleaseShaderCompiler glReleaseShaderCompiler
 #define xglGetShaderPrecisionFormat glGetShaderPrecisionFormat
 #endif // GL_VERSION_4_1 || GL_ES_VERSION_2_0
@@ -229,6 +236,7 @@ GLint xglGetAttribLocation(GLuint program, const GLchar* name);
 void xglEnableVertexAttribArray(GLuint index);
 #endif // GL_VERSION_2_0 || GL_ES_VERSION_2_0
 #if GL_VERSION_4_1 || GL_ES_VERSION_2_0
+#define USE_GL_SHADER_PRECISION
 void xglReleaseShaderCompiler();
 void xglGetShaderPrecisionFormat(GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision);
 #endif
diff --git a/thirdparty/stb_image/include b/thirdparty/stb_image/include
index beebb24b9..f7f20f39f 160000
--- a/thirdparty/stb_image/include
+++ b/thirdparty/stb_image/include
@@ -1 +1 @@
-Subproject commit beebb24b945efdea3b9bba23affb8eb3ba8982e7
+Subproject commit f7f20f39fe4f206c6f19e26ebfef7b261ee59ee4