diff --git a/deps/vitaGL/source/custom_shaders.c b/deps/vitaGL/source/custom_shaders.c
index bbe2b8de06..f199a70c20 100644
--- a/deps/vitaGL/source/custom_shaders.c
+++ b/deps/vitaGL/source/custom_shaders.c
@@ -145,7 +145,7 @@ GLuint glCreateShader(GLenum shaderType) {
 		shaders[res - 1].type = GL_VERTEX_SHADER;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	shaders[res - 1].valid = GL_TRUE;
@@ -194,7 +194,7 @@ void glAttachShader(GLuint prog, GLuint shad) {
 			break;
 		}
 	} else
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 }
 
 GLuint glCreateProgram(void) {
@@ -402,7 +402,7 @@ void vglBindPackedAttribLocation(GLuint prog, GLuint index, const GLchar *name,
 		bpe = sizeof(uint8_t);
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 
@@ -425,7 +425,7 @@ void vglVertexAttribPointer(GLuint index, GLint size, GLenum type, GLboolean nor
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (stride < 0) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -440,7 +440,7 @@ void vglVertexAttribPointer(GLuint index, GLint size, GLenum type, GLboolean nor
 		bpe = sizeof(GLshort);
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 
diff --git a/deps/vitaGL/source/framebuffers.c b/deps/vitaGL/source/framebuffers.c
index c4443277f8..bf6258b60e 100644
--- a/deps/vitaGL/source/framebuffers.c
+++ b/deps/vitaGL/source/framebuffers.c
@@ -50,7 +50,7 @@ uint32_t get_color_from_texture(uint32_t type) {
 		res = SCE_GXM_COLOR_FORMAT_U8_A;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	return res;
@@ -66,7 +66,7 @@ void glGenFramebuffers(GLsizei n, GLuint *ids) {
 	int i = 0, j = 0;
 #ifndef SKIP_ERROR_HANDLING
 	if (n < 0) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -85,7 +85,7 @@ void glGenFramebuffers(GLsizei n, GLuint *ids) {
 void glDeleteFramebuffers(GLsizei n, GLuint *framebuffers) {
 #ifndef SKIP_ERROR_HANDLING
 	if (n < 0) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -117,7 +117,7 @@ void glBindFramebuffer(GLenum target, GLuint fb) {
 		active_write_fb = active_read_fb = (framebuffer *)fb;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -134,7 +134,7 @@ void glFramebufferTexture(GLenum target, GLenum attachment, GLuint tex_id, GLint
 		fb = active_read_fb;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 
@@ -178,7 +178,7 @@ void glFramebufferTexture(GLenum target, GLenum attachment, GLuint tex_id, GLint
 		sceGxmCreateRenderTarget(&renderTargetParams, &fb->target);
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
diff --git a/deps/vitaGL/source/get_info.c b/deps/vitaGL/source/get_info.c
index 19459f6985..314d0aa5aa 100644
--- a/deps/vitaGL/source/get_info.c
+++ b/deps/vitaGL/source/get_info.c
@@ -50,7 +50,7 @@ const GLubyte *glGetString(GLenum name) {
 		return extensions;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		return NULL;
 		break;
 	}
@@ -80,7 +80,7 @@ void glGetBooleanv(GLenum pname, GLboolean *params) {
 		*params = GL_FALSE;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -123,7 +123,7 @@ void glGetFloatv(GLenum pname, GLfloat *data) {
 		*data = GENERIC_STACK_DEPTH;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -156,7 +156,7 @@ void glGetIntegerv(GLenum pname, GLint *data) {
 		data[3] = gl_viewport.h;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -189,14 +189,14 @@ GLboolean glIsEnabled(GLenum cap) {
 		ret = pol_offset_point;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	return ret;
 }
 
 GLenum glGetError(void) {
-	GLenum ret = error;
-	error = GL_NO_ERROR;
+	GLenum ret = vgl_error;
+	vgl_error = GL_NO_ERROR;
 	return ret;
 }
diff --git a/deps/vitaGL/source/gxm.c b/deps/vitaGL/source/gxm.c
index 0e1f6eb454..66b58f371d 100644
--- a/deps/vitaGL/source/gxm.c
+++ b/deps/vitaGL/source/gxm.c
@@ -45,7 +45,7 @@ static void *gxm_stencil_surface_addr; // Stencil surface memblock starting addr
 static SceGxmDepthStencilSurface gxm_depth_stencil_surface; // Depth/Stencil surfaces setup for sceGxm
 
 SceGxmContext *gxm_context; // sceGxm context instance
-GLenum error = GL_NO_ERROR; // Error returned by glGetError
+GLenum vgl_error = GL_NO_ERROR; // Error returned by glGetError
 SceGxmShaderPatcher *gxm_shader_patcher; // sceGxmShaderPatcher shader patcher instance
 
 matrix4x4 mvp_matrix; // ModelViewProjection Matrix
diff --git a/deps/vitaGL/source/legacy.c b/deps/vitaGL/source/legacy.c
index 48dbef3d9c..1b14001e1c 100644
--- a/deps/vitaGL/source/legacy.c
+++ b/deps/vitaGL/source/legacy.c
@@ -87,7 +87,7 @@ void glVertex3f(GLfloat x, GLfloat y, GLfloat z) {
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (phase != MODEL_CREATION) {
-		error = GL_INVALID_OPERATION;
+		vgl_error = GL_INVALID_OPERATION;
 		return;
 	}
 #endif
@@ -118,7 +118,7 @@ void glVertex3fv(const GLfloat *v) {
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (phase != MODEL_CREATION) {
-		error = GL_INVALID_OPERATION;
+		vgl_error = GL_INVALID_OPERATION;
 		return;
 	}
 #endif
@@ -209,7 +209,7 @@ void glTexCoord2fv(GLfloat *f) {
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (phase != MODEL_CREATION) {
-		error = GL_INVALID_OPERATION;
+		vgl_error = GL_INVALID_OPERATION;
 		return;
 	}
 #endif
@@ -232,7 +232,7 @@ void glTexCoord2f(GLfloat s, GLfloat t) {
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (phase != MODEL_CREATION) {
-		error = GL_INVALID_OPERATION;
+		vgl_error = GL_INVALID_OPERATION;
 		return;
 	}
 #endif
@@ -255,7 +255,7 @@ void glTexCoord2i(GLint s, GLint t) {
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (phase != MODEL_CREATION) {
-		error = GL_INVALID_OPERATION;
+		vgl_error = GL_INVALID_OPERATION;
 		return;
 	}
 #endif
@@ -278,7 +278,7 @@ void glArrayElement(GLint i) {
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (i < 0) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -357,7 +357,7 @@ void glBegin(GLenum mode) {
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (phase == MODEL_CREATION) {
-		error = GL_INVALID_OPERATION;
+		vgl_error = GL_INVALID_OPERATION;
 		return;
 	}
 #endif
@@ -394,7 +394,7 @@ void glBegin(GLenum mode) {
 		np = 4;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 
@@ -410,7 +410,7 @@ void glEnd(void) {
 
 	// Error handling
 	if (phase != MODEL_CREATION) {
-		error = GL_INVALID_OPERATION;
+		vgl_error = GL_INVALID_OPERATION;
 		return;
 	}
 #endif
diff --git a/deps/vitaGL/source/matrices.c b/deps/vitaGL/source/matrices.c
index 0b7b64ce10..26c40226fa 100644
--- a/deps/vitaGL/source/matrices.c
+++ b/deps/vitaGL/source/matrices.c
@@ -46,7 +46,7 @@ void glMatrixMode(GLenum mode) {
 		matrix = &projection_matrix;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -55,10 +55,10 @@ void glOrtho(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdou
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (phase == MODEL_CREATION) {
-		error = GL_INVALID_OPERATION;
+		vgl_error = GL_INVALID_OPERATION;
 		return;
 	} else if ((left == right) || (bottom == top) || (nearVal == farVal)) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -72,10 +72,10 @@ void glFrustum(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLd
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (phase == MODEL_CREATION) {
-		error = GL_INVALID_OPERATION;
+		vgl_error = GL_INVALID_OPERATION;
 		return;
 	} else if ((left == right) || (bottom == top) || (nearVal < 0) || (farVal < 0)) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -139,7 +139,7 @@ void glRotatef(GLfloat angle, GLfloat x, GLfloat y, GLfloat z) {
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (phase == MODEL_CREATION) {
-		error = GL_INVALID_OPERATION;
+		vgl_error = GL_INVALID_OPERATION;
 		return;
 	}
 #endif
@@ -162,7 +162,7 @@ void glPushMatrix(void) {
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (phase == MODEL_CREATION) {
-		error = GL_INVALID_OPERATION;
+		vgl_error = GL_INVALID_OPERATION;
 		return;
 	}
 #endif
@@ -171,7 +171,7 @@ void glPushMatrix(void) {
 #ifndef SKIP_ERROR_HANDLING
 		// Error handling
 		if (modelview_stack_counter >= MODELVIEW_STACK_DEPTH) {
-			error = GL_STACK_OVERFLOW;
+			vgl_error = GL_STACK_OVERFLOW;
 		} else
 #endif
 			// Copying current matrix into the matrix stack and increasing stack counter
@@ -181,7 +181,7 @@ void glPushMatrix(void) {
 #ifndef SKIP_ERROR_HANDLING
 		// Error handling
 		if (projection_stack_counter >= GENERIC_STACK_DEPTH) {
-			error = GL_STACK_OVERFLOW;
+			vgl_error = GL_STACK_OVERFLOW;
 		} else
 #endif
 			// Copying current matrix into the matrix stack and increasing stack counter
@@ -193,7 +193,7 @@ void glPopMatrix(void) {
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (phase == MODEL_CREATION) {
-		error = GL_INVALID_OPERATION;
+		vgl_error = GL_INVALID_OPERATION;
 		return;
 	}
 #endif
@@ -202,7 +202,7 @@ void glPopMatrix(void) {
 #ifndef SKIP_ERROR_HANDLING
 		// Error handling
 		if (modelview_stack_counter == 0)
-			error = GL_STACK_UNDERFLOW;
+			vgl_error = GL_STACK_UNDERFLOW;
 		else
 #endif
 			// Copying last matrix on stack into current matrix and decreasing stack counter
@@ -212,7 +212,7 @@ void glPopMatrix(void) {
 #ifndef SKIP_ERROR_HANDLING
 		// Error handling
 		if (projection_stack_counter == 0)
-			error = GL_STACK_UNDERFLOW;
+			vgl_error = GL_STACK_UNDERFLOW;
 		else
 #endif
 			// Copying last matrix on stack into current matrix and decreasing stack counter
diff --git a/deps/vitaGL/source/misc.c b/deps/vitaGL/source/misc.c
index ca9cecdadd..69116f437e 100644
--- a/deps/vitaGL/source/misc.c
+++ b/deps/vitaGL/source/misc.c
@@ -119,7 +119,7 @@ void glPolygonMode(GLenum face, GLenum mode) {
 		new_mode = SCE_GXM_POLYGON_MODE_TRIANGLE_FILL;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	switch (face) {
@@ -140,7 +140,7 @@ void glPolygonMode(GLenum face, GLenum mode) {
 		sceGxmSetBackPolygonMode(gxm_context, new_mode);
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		return;
 	}
 	update_polygon_offset();
@@ -167,7 +167,7 @@ void glFrontFace(GLenum mode) {
 void glViewport(GLint x, GLint y, GLsizei width, GLsizei height) {
 #ifndef SKIP_ERROR_HANDLING
 	if ((width < 0) || (height < 0)) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -197,7 +197,7 @@ void glDepthRangef(GLfloat nearVal, GLfloat farVal) {
 void glEnable(GLenum cap) {
 #ifndef SKIP_ERROR_HANDLING
 	if (phase == MODEL_CREATION) {
-		error = GL_INVALID_OPERATION;
+		vgl_error = GL_INVALID_OPERATION;
 		return;
 	}
 #endif
@@ -250,7 +250,7 @@ void glEnable(GLenum cap) {
 		clip_plane0 = GL_TRUE;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -258,7 +258,7 @@ void glEnable(GLenum cap) {
 void glDisable(GLenum cap) {
 #ifndef SKIP_ERROR_HANDLING
 	if (phase == MODEL_CREATION) {
-		error = GL_INVALID_OPERATION;
+		vgl_error = GL_INVALID_OPERATION;
 		return;
 	}
 #endif
@@ -311,7 +311,7 @@ void glDisable(GLenum cap) {
 		clip_plane0 = GL_FALSE;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -411,7 +411,7 @@ void glReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format
 			}
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			break;
 		}
 		break;
@@ -429,12 +429,12 @@ void glReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format
 			}
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			break;
 		}
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -443,7 +443,7 @@ void glLineWidth(GLfloat width) {
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (width <= 0) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -457,7 +457,7 @@ void glPointSize(GLfloat size) {
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (size <= 0) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -483,7 +483,7 @@ void glFogf(GLenum pname, GLfloat param) {
 		fog_far = param;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -507,7 +507,7 @@ void glFogfv(GLenum pname, const GLfloat *params) {
 		memcpy(&fog_color.r, params, sizeof(vector4f));
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -528,7 +528,7 @@ void glFogi(GLenum pname, const GLint param) {
 		fog_far = param;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -548,7 +548,7 @@ void glClipPlane(GLenum plane, const GLdouble *equation) {
 		memcpy(&clip_plane0_eq.x, &temp.x, sizeof(vector4f));
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
diff --git a/deps/vitaGL/source/shared.h b/deps/vitaGL/source/shared.h
index 044dcfe7e9..6be0eb7723 100644
--- a/deps/vitaGL/source/shared.h
+++ b/deps/vitaGL/source/shared.h
@@ -124,7 +124,7 @@ extern float fullscreen_y_scale;
 extern float fullscreen_z_scale;
 
 extern SceGxmContext *gxm_context; // sceGxm context instance
-extern GLenum error; // Error returned by glGetError
+extern GLenum vgl_error; // Error returned by glGetError
 extern SceGxmShaderPatcher *gxm_shader_patcher; // sceGxmShaderPatcher shader patcher instance
 
 matrix4x4 mvp_matrix; // ModelViewProjection Matrix
diff --git a/deps/vitaGL/source/tests.c b/deps/vitaGL/source/tests.c
index e04c4b9f5a..cce5dd5800 100644
--- a/deps/vitaGL/source/tests.c
+++ b/deps/vitaGL/source/tests.c
@@ -327,7 +327,7 @@ void glScissor(GLint x, GLint y, GLsizei width, GLsizei height) {
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if ((width < 0) || (height < 0)) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -385,7 +385,7 @@ void glDepthMask(GLboolean flag) {
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (phase == MODEL_CREATION) {
-		error = GL_INVALID_OPERATION;
+		vgl_error = GL_INVALID_OPERATION;
 		return;
 	}
 #endif
@@ -407,36 +407,36 @@ void glStencilOpSeparate(GLenum face, GLenum sfail, GLenum dpfail, GLenum dppass
 	switch (face) {
 	case GL_FRONT:
 		if (!change_stencil_config(&stencil_fail_front, sfail))
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 		if (!change_stencil_config(&depth_fail_front, dpfail))
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 		if (!change_stencil_config(&depth_pass_front, dppass))
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 		break;
 	case GL_BACK:
 		if (!change_stencil_config(&stencil_fail_back, sfail))
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 		if (!change_stencil_config(&depth_fail_back, dpfail))
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 		if (!change_stencil_config(&depth_pass_front, dppass))
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 		break;
 	case GL_FRONT_AND_BACK:
 		if (!change_stencil_config(&stencil_fail_front, sfail))
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 		if (!change_stencil_config(&stencil_fail_back, sfail))
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 		if (!change_stencil_config(&depth_fail_front, dpfail))
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 		if (!change_stencil_config(&depth_fail_back, dpfail))
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 		if (!change_stencil_config(&depth_pass_front, dppass))
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 		if (!change_stencil_config(&depth_pass_back, dppass))
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	change_stencil_settings();
@@ -451,26 +451,26 @@ void glStencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask) {
 	switch (face) {
 	case GL_FRONT:
 		if (!change_stencil_func_config(&stencil_func_front, func))
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 		stencil_mask_front = mask;
 		stencil_ref_front = ref;
 		break;
 	case GL_BACK:
 		if (!change_stencil_func_config(&stencil_func_back, func))
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 		stencil_mask_back = mask;
 		stencil_ref_back = ref;
 		break;
 	case GL_FRONT_AND_BACK:
 		if (!change_stencil_func_config(&stencil_func_front, func))
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 		if (!change_stencil_func_config(&stencil_func_back, func))
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 		stencil_mask_front = stencil_mask_back = mask;
 		stencil_ref_front = stencil_ref_back = ref;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	change_stencil_settings();
@@ -493,7 +493,7 @@ void glStencilMaskSeparate(GLenum face, GLuint mask) {
 		stencil_mask_front_write = stencil_mask_back_write = mask;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		return;
 	}
 	change_stencil_settings();
diff --git a/deps/vitaGL/source/textures.c b/deps/vitaGL/source/textures.c
index a16d58cfec..8d7295926c 100644
--- a/deps/vitaGL/source/textures.c
+++ b/deps/vitaGL/source/textures.c
@@ -37,7 +37,7 @@ void glGenTextures(GLsizei n, GLuint *res) {
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (n < 0) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -67,7 +67,7 @@ void glBindTexture(GLenum target, GLuint texture) {
 		tex_unit->tex_id = texture;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -76,7 +76,7 @@ void glDeleteTextures(GLsizei n, const GLuint *gl_textures) {
 #ifndef SKIP_ERROR_HANDLING
 	// Error handling
 	if (n < 0) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -138,7 +138,7 @@ void glTexImage2D(GLenum target, GLint level, GLint internalFormat, GLsizei widt
 			data_bpp = 1;
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			break;
 		}
 		break;
@@ -150,7 +150,7 @@ void glTexImage2D(GLenum target, GLint level, GLint internalFormat, GLsizei widt
 			data_bpp = 2;
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			break;
 		}
 		break;
@@ -162,7 +162,7 @@ void glTexImage2D(GLenum target, GLint level, GLint internalFormat, GLsizei widt
 			else read_cb = readRGB;
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			break;
 		}
 		break;
@@ -178,7 +178,7 @@ void glTexImage2D(GLenum target, GLint level, GLint internalFormat, GLsizei widt
 			read_cb = readRGBA5551;
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			break;
 		}
 		break;
@@ -225,13 +225,13 @@ void glTexImage2D(GLenum target, GLint level, GLint internalFormat, GLsizei widt
 			tex_format = SCE_GXM_TEXTURE_FORMAT_P8_ABGR;
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			break;
 		}
 
 		// Checking if texture is too big for sceGxm
 		if (width > GXM_TEX_MAX_SIZE || height > GXM_TEX_MAX_SIZE) {
-			error = GL_INVALID_VALUE;
+			vgl_error = GL_INVALID_VALUE;
 			return;
 		}
 
@@ -258,7 +258,7 @@ void glTexImage2D(GLenum target, GLint level, GLint internalFormat, GLsizei widt
 
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -281,10 +281,10 @@ void glTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, G
 	int i, j;
 
 	if (xoffset + width > orig_w) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	} else if (yoffset + height > orig_h) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 	
@@ -323,7 +323,7 @@ void glTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, G
 			data_bpp = 1;
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			return;
 			break;
 		}
@@ -335,7 +335,7 @@ void glTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, G
 			data_bpp = 2;
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			return;
 			break;
 		}
@@ -347,7 +347,7 @@ void glTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, G
 			read_cb = readRGB;
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			return;
 			break;
 		}
@@ -363,7 +363,7 @@ void glTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, G
 			read_cb = readRGBA5551;
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			return;
 			break;
 		}
@@ -410,7 +410,7 @@ void glTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, G
 
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -431,12 +431,12 @@ void glColorTable(GLenum target, GLenum internalformat, GLsizei width, GLenum fo
 			bpp = 4;
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			break;
 		}
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 
@@ -470,7 +470,7 @@ void glTexParameteri(GLenum target, GLenum pname, GLint param) {
 			case GL_LINEAR_MIPMAP_LINEAR: // TODO: Implement this
 				break;
 			default:
-				error = GL_INVALID_ENUM;
+				vgl_error = GL_INVALID_ENUM;
 				break;
 			}
 			sceGxmTextureSetMinFilter(&tex->gxm_tex, tex_unit->min_filter);
@@ -492,7 +492,7 @@ void glTexParameteri(GLenum target, GLenum pname, GLint param) {
 			case GL_LINEAR_MIPMAP_LINEAR: // TODO: Implement this
 				break;
 			default:
-				error = GL_INVALID_ENUM;
+				vgl_error = GL_INVALID_ENUM;
 				break;
 			}
 			sceGxmTextureSetMagFilter(&tex->gxm_tex, tex_unit->mag_filter);
@@ -512,7 +512,7 @@ void glTexParameteri(GLenum target, GLenum pname, GLint param) {
 				tex_unit->u_mode = SCE_GXM_TEXTURE_ADDR_MIRROR_CLAMP;
 				break;
 			default:
-				error = GL_INVALID_ENUM;
+				vgl_error = GL_INVALID_ENUM;
 				break;
 			}
 			sceGxmTextureSetUAddrMode(&tex->gxm_tex, tex_unit->u_mode);
@@ -532,18 +532,18 @@ void glTexParameteri(GLenum target, GLenum pname, GLint param) {
 				tex_unit->u_mode = SCE_GXM_TEXTURE_ADDR_MIRROR_CLAMP;
 				break;
 			default:
-				error = GL_INVALID_ENUM;
+				vgl_error = GL_INVALID_ENUM;
 				break;
 			}
 			sceGxmTextureSetVAddrMode(&tex->gxm_tex, tex_unit->v_mode);
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			break;
 		}
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -594,12 +594,12 @@ void glTexParameterf(GLenum target, GLenum pname, GLfloat param) {
 			sceGxmTextureSetVAddrMode(&tex->gxm_tex, tex_unit->v_mode);
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			break;
 		}
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -608,7 +608,7 @@ void glActiveTexture(GLenum texture) {
 	// Changing current in use server texture unit
 #ifndef SKIP_ERROR_HANDLING
 	if ((texture < GL_TEXTURE0) && (texture > GL_TEXTURE31))
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 	else
 #endif
 		server_texture_unit = texture - GL_TEXTURE0;
@@ -641,7 +641,7 @@ void glGenerateMipmap(GLenum target) {
 
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -667,12 +667,12 @@ void glTexEnvf(GLenum target, GLenum pname, GLfloat param) {
 				tex_unit->env_mode = ADD;
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			break;
 		}
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 	}
 }
 
@@ -685,12 +685,12 @@ void glTexEnvfv(GLenum target, GLenum pname, GLfloat *param) {
 			memcpy(&texenv_color.r, param, sizeof(GLfloat) * 4);
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			break;
 		}
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 	}
 }
 
@@ -722,12 +722,12 @@ void glTexEnvi(GLenum target, GLenum pname, GLint param) {
 			}
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			break;
 		}
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -743,7 +743,7 @@ void *vglGetTexDataPointer(GLenum target) {
 		return tex->data;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 
diff --git a/deps/vitaGL/source/vitaGL.c b/deps/vitaGL/source/vitaGL.c
index 7b90dbe95d..925cd12948 100644
--- a/deps/vitaGL/source/vitaGL.c
+++ b/deps/vitaGL/source/vitaGL.c
@@ -699,7 +699,7 @@ void glGenBuffers(GLsizei n, GLuint *res) {
 	int i = 0, j = 0;
 #ifndef SKIP_ERROR_HANDLING
 	if (n < 0) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -716,7 +716,7 @@ void glGenBuffers(GLsizei n, GLuint *res) {
 void glBindBuffer(GLenum target, GLuint buffer) {
 #ifndef SKIP_ERROR_HANDLING
 	if ((buffer != 0x0000) && ((buffer >= BUFFERS_ADDR + BUFFERS_NUM) || (buffer < BUFFERS_ADDR))) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -728,7 +728,7 @@ void glBindBuffer(GLenum target, GLuint buffer) {
 		index_array_unit = buffer - BUFFERS_ADDR;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -736,7 +736,7 @@ void glBindBuffer(GLenum target, GLuint buffer) {
 void glDeleteBuffers(GLsizei n, const GLuint *gl_buffers) {
 #ifndef SKIP_ERROR_HANDLING
 	if (n < 0) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -756,7 +756,7 @@ void glDeleteBuffers(GLsizei n, const GLuint *gl_buffers) {
 void glBufferData(GLenum target, GLsizei size, const GLvoid *data, GLenum usage) {
 #ifndef SKIP_ERROR_HANDLING
 	if (size < 0) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -769,7 +769,7 @@ void glBufferData(GLenum target, GLsizei size, const GLvoid *data, GLenum usage)
 		idx = index_array_unit;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	vglMemType type = VGL_MEM_VRAM;
@@ -813,7 +813,7 @@ void glBlendFunc(GLenum sfactor, GLenum dfactor) {
 		blend_sfactor_rgb = blend_sfactor_a = SCE_GXM_BLEND_FACTOR_SRC_ALPHA_SATURATE;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	switch (dfactor) {
@@ -851,7 +851,7 @@ void glBlendFunc(GLenum sfactor, GLenum dfactor) {
 		blend_dfactor_rgb = blend_dfactor_a = SCE_GXM_BLEND_FACTOR_SRC_ALPHA_SATURATE;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	if (blend_state)
@@ -894,7 +894,7 @@ void glBlendFuncSeparate(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum d
 		blend_sfactor_rgb = SCE_GXM_BLEND_FACTOR_SRC_ALPHA_SATURATE;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	switch (dstRGB) {
@@ -932,7 +932,7 @@ void glBlendFuncSeparate(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum d
 		blend_dfactor_rgb = SCE_GXM_BLEND_FACTOR_SRC_ALPHA_SATURATE;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	switch (srcAlpha) {
@@ -970,7 +970,7 @@ void glBlendFuncSeparate(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum d
 		blend_sfactor_a = SCE_GXM_BLEND_FACTOR_SRC_ALPHA_SATURATE;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	switch (dstAlpha) {
@@ -1008,7 +1008,7 @@ void glBlendFuncSeparate(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum d
 		blend_dfactor_a = SCE_GXM_BLEND_FACTOR_SRC_ALPHA_SATURATE;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	if (blend_state)
@@ -1033,7 +1033,7 @@ void glBlendEquation(GLenum mode) {
 		blend_func_rgb = blend_func_a = SCE_GXM_BLEND_FUNC_MAX;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	if (blend_state)
@@ -1058,7 +1058,7 @@ void glBlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha) {
 		blend_func_rgb = SCE_GXM_BLEND_FUNC_MAX;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	switch (modeAlpha) {
@@ -1078,7 +1078,7 @@ void glBlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha) {
 		blend_func_a = SCE_GXM_BLEND_FUNC_MAX;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	if (blend_state)
@@ -1104,7 +1104,7 @@ void glColorMask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha
 void glVertexPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer) {
 #ifndef SKIP_ERROR_HANDLING
 	if ((stride < 0) || (size < 2) || (size > 4)) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -1117,7 +1117,7 @@ void glVertexPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *poin
 		tex_unit->vertex_array.size = sizeof(GLshort);
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 
@@ -1129,7 +1129,7 @@ void glVertexPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *poin
 void glColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer) {
 #ifndef SKIP_ERROR_HANDLING
 	if ((stride < 0) || (size < 3) || (size > 4)) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -1142,7 +1142,7 @@ void glColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *point
 		tex_unit->color_array.size = sizeof(GLshort);
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 
@@ -1154,7 +1154,7 @@ void glColorPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *point
 void glTexCoordPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer) {
 #ifndef SKIP_ERROR_HANDLING
 	if ((stride < 0) || (size < 2) || (size > 4)) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -1167,7 +1167,7 @@ void glTexCoordPointer(GLint size, GLenum type, GLsizei stride, const GLvoid *po
 		tex_unit->texture_array.size = sizeof(GLshort);
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 
@@ -1209,7 +1209,7 @@ void glDrawArrays(GLenum mode, GLint first, GLsizei count) {
 				skip_draw = GL_TRUE;
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			break;
 		}
 		if (!skip_draw) {
@@ -1471,11 +1471,11 @@ void glDrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *gl_in
 		GLboolean skip_draw = GL_FALSE;
 #ifndef SKIP_ERROR_HANDLING
 		if (type != GL_UNSIGNED_SHORT)
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 		else if (phase == MODEL_CREATION)
-			error = GL_INVALID_OPERATION;
+			vgl_error = GL_INVALID_OPERATION;
 		else if (count < 0)
-			error = GL_INVALID_VALUE;
+			vgl_error = GL_INVALID_VALUE;
 #endif
 		switch (mode) {
 		case GL_POINTS:
@@ -1500,7 +1500,7 @@ void glDrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *gl_in
 				skip_draw = GL_TRUE;
 			break;
 		default:
-			error = GL_INVALID_ENUM;
+			vgl_error = GL_INVALID_ENUM;
 			break;
 		}
 		if (!skip_draw) {
@@ -1734,7 +1734,7 @@ void glEnableClientState(GLenum array) {
 		tex_unit->texture_array_state = GL_TRUE;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -1752,7 +1752,7 @@ void glDisableClientState(GLenum array) {
 		tex_unit->texture_array_state = GL_FALSE;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 }
@@ -1760,7 +1760,7 @@ void glDisableClientState(GLenum array) {
 void glClientActiveTexture(GLenum texture) {
 #ifndef SKIP_ERROR_HANDLING
 	if ((texture < GL_TEXTURE0) && (texture > GL_TEXTURE31))
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 	else
 #endif
 		client_texture_unit = texture - GL_TEXTURE0;
@@ -1771,7 +1771,7 @@ void glClientActiveTexture(GLenum texture) {
 void vglVertexPointer(GLint size, GLenum type, GLsizei stride, GLuint count, const GLvoid *pointer) {
 #ifndef SKIP_ERROR_HANDLING
 	if ((stride < 0) || (size < 2) || (size > 4)) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -1785,7 +1785,7 @@ void vglVertexPointer(GLint size, GLenum type, GLsizei stride, GLuint count, con
 		bpe = sizeof(GLshort);
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	tex_unit->vertex_object = gpu_pool_memalign(count * bpe * size, bpe * size);
@@ -1806,7 +1806,7 @@ void vglVertexPointer(GLint size, GLenum type, GLsizei stride, GLuint count, con
 void vglColorPointer(GLint size, GLenum type, GLsizei stride, GLuint count, const GLvoid *pointer) {
 #ifndef SKIP_ERROR_HANDLING
 	if ((stride < 0) || (size < 3) || (size > 4)) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -1823,7 +1823,7 @@ void vglColorPointer(GLint size, GLenum type, GLsizei stride, GLuint count, cons
 		bpe = sizeof(uint8_t);
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	tex_unit->color_object = gpu_pool_memalign(count * bpe * size, bpe * size);
@@ -1845,7 +1845,7 @@ void vglColorPointer(GLint size, GLenum type, GLsizei stride, GLuint count, cons
 void vglTexCoordPointer(GLint size, GLenum type, GLsizei stride, GLuint count, const GLvoid *pointer) {
 #ifndef SKIP_ERROR_HANDLING
 	if ((stride < 0) || (size < 2) || (size > 4)) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -1859,7 +1859,7 @@ void vglTexCoordPointer(GLint size, GLenum type, GLsizei stride, GLuint count, c
 		bpe = sizeof(GLshort);
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	tex_unit->texture_object = gpu_pool_memalign(count * bpe * size, bpe * size);
@@ -1880,7 +1880,7 @@ void vglTexCoordPointer(GLint size, GLenum type, GLsizei stride, GLuint count, c
 void vglIndexPointer(GLenum type, GLsizei stride, GLuint count, const GLvoid *pointer) {
 #ifndef SKIP_ERROR_HANDLING
 	if (stride < 0) {
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 		return;
 	}
 #endif
@@ -1894,7 +1894,7 @@ void vglIndexPointer(GLenum type, GLsizei stride, GLuint count, const GLvoid *po
 		bpe = sizeof(GLshort);
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	tex_unit->index_object = gpu_pool_memalign(count * bpe, bpe);
@@ -1939,9 +1939,9 @@ void vglDrawObjects(GLenum mode, GLsizei count, GLboolean implicit_wvp) {
 	int texture2d_idx = tex_unit->tex_id;
 #ifndef SKIP_ERROR_HANDLING
 	if (phase == MODEL_CREATION)
-		error = GL_INVALID_OPERATION;
+		vgl_error = GL_INVALID_OPERATION;
 	else if (count < 0)
-		error = GL_INVALID_VALUE;
+		vgl_error = GL_INVALID_VALUE;
 #endif
 	GLboolean skip_draw = GL_FALSE;
 	switch (mode) {
@@ -1967,7 +1967,7 @@ void vglDrawObjects(GLenum mode, GLsizei count, GLboolean implicit_wvp) {
 			skip_draw = GL_TRUE;
 		break;
 	default:
-		error = GL_INVALID_ENUM;
+		vgl_error = GL_INVALID_ENUM;
 		break;
 	}
 	if (!skip_draw) {