diff --git a/CMakeLists.txt b/CMakeLists.txt
index 695730cd..425efb60 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -183,13 +183,9 @@ if (NOT BUILD_NO_CLIENT)
 
 	add_subdirectory("code/client")
 	add_subdirectory("code/renderergl1")
+	#add_subdirectory("code/renderergl2")
 	add_subdirectory("code/sdl")
 
-	#include("code/renderergl2/glsl/shaders.cmake")
-	#file(GLOB_RECURSE SOURCES_RENDERER "code/sdl/*.c" "code/renderercommon/*.c" "code/renderergl2/*.c" "code/renderergl2/*.cpp")
-	#list(FILTER SOURCES_RENDERER EXCLUDE REGEX "code/renderergl2/tr_subs.c")
-	#list(FILTER SOURCES_RENDERER EXCLUDE REGEX "code/renderergl2/tr_model.c")
-
 	add_executable(openmohaa "misc/dummy.c")
 	target_link_libraries(openmohaa PRIVATE syslib)
 	target_link_libraries(openmohaa PRIVATE omohserver)
diff --git a/code/client/cl_ui.cpp b/code/client/cl_ui.cpp
index abfdcf22..efb57d40 100644
--- a/code/client/cl_ui.cpp
+++ b/code/client/cl_ui.cpp
@@ -3727,6 +3727,7 @@ void CL_FillUIImports(void)
     uii.Rend_Scissor           = re.Scissor;
     uii.Rend_Set2D             = re.Set2DWindow;
     uii.Rend_SetColor          = re.SetColor;
+    uii.Rend_ImageExists       = re.ImageExists;
 
     uii.Cmd_Stuff                   = Cbuf_AddText;
     uii.Cvar_GetString              = CvarGetForUI;
@@ -5537,7 +5538,7 @@ qboolean UI_IsResourceLoaded(const char *name)
     case 107:
         return S_IsSoundRegistered(name + 1);
     case 110:
-        return R_ImageExists(name + 1);
+        return uii.Rend_ImageExists(name + 1);
     default:
         return qfalse;
     }
diff --git a/code/qcommon/CMakeLists.txt b/code/qcommon/CMakeLists.txt
index 0b306b15..c10ead9f 100644
--- a/code/qcommon/CMakeLists.txt
+++ b/code/qcommon/CMakeLists.txt
@@ -18,6 +18,7 @@ set(SOURCES_SHARED
 	"${CMAKE_SOURCE_DIR}/code/qcommon/lz77.cpp"
 	"${CMAKE_SOURCE_DIR}/code/qcommon/mem_blockalloc.cpp"
 	"${CMAKE_SOURCE_DIR}/code/qcommon/mem_tempalloc.cpp"
+	"${CMAKE_SOURCE_DIR}/code/qcommon/puff.c"
 	"${CMAKE_SOURCE_DIR}/code/qcommon/q_math.c"
 	"${CMAKE_SOURCE_DIR}/code/qcommon/q_shared.c"
 	"${CMAKE_SOURCE_DIR}/code/qcommon/script.cpp"
diff --git a/code/qcommon/memory.c b/code/qcommon/memory.c
index 4b88cea1..46e984f5 100644
--- a/code/qcommon/memory.c
+++ b/code/qcommon/memory.c
@@ -25,6 +25,10 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #include "q_shared.h"
 #include "qcommon.h"
 
+#ifdef STANDALONE
+#  include "../client/client.h"
+#endif
+
 #define	ZONEID			0x7331
 #define ZONEID_CONST	0xC057
 
@@ -349,8 +353,13 @@ void Z_Meminfo_f( void )
 
 	Com_Printf( "\n%.2f Kbytes in %zu blocks in all memory pools\n", ( float )totalBytes / 1024.0f, totalBlocks );
 	Com_Printf( "\n%.2f megabytes in 'new' system memory\n", 1.024f );
-	Com_Printf( "\n%.2f megabytes in texture memory\n", ( float )R_CountTextureMemory() / 1024.0f );
-	Com_Printf( "\n%.1f megabytes in total allocations\n", ( float )R_CountTextureMemory() + totalBytes - 1 / 1024.0f );
+
+#ifdef STANDALONE
+	if (re.CountTextureMemory) {
+		Com_Printf( "\n%.2f megabytes in texture memory\n", ( float )re.CountTextureMemory() / 1024.0f );
+		Com_Printf( "\n%.1f megabytes in total allocations\n", ( float )re.CountTextureMemory() + totalBytes - 1 / 1024.0f );
+	}
+#endif
 }
 
 /*
diff --git a/code/renderercommon/tr_common.h b/code/renderercommon/tr_common.h
index d26ab233..4c75eef7 100644
--- a/code/renderercommon/tr_common.h
+++ b/code/renderercommon/tr_common.h
@@ -134,22 +134,9 @@ qboolean	R_GetModeInfo( int *width, int *height, float *windowAspect, int mode )
 float R_NoiseGet4f( float x, float y, float z, double t );
 void  R_NoiseInit( void );
 
-image_t		*R_FindImageFile(const char* name, qboolean mipmap, qboolean allowPicmip, qboolean force32bit, int glWrapClampModeX, int glWrapClampModeY);
-image_t		*R_RefreshImageFile(const char* name, qboolean mipmap, qboolean allowPicmip, qboolean force32bit, int glWrapClampModeX, int glWrapClampModeY);
-image_t* R_CreateImage(
-	const char* name,
-	byte* pic,
-	int width,
-	int height,
-	int numMipmaps,
-	int iMipmapsAvailable,
-	qboolean allowPicmip,
-	qboolean force32bit,
-	qboolean hasAlpha,
-	int glCompressMode,
-	int glWrapClampModeX,
-	int glWrapClampModeY
-);
+image_t     *R_FindImageFile( const char *name, imgType_t type, imgFlags_t flags );
+image_t     *R_RefreshImageFile( const char *name, imgType_t type, imgFlags_t flags );
+image_t *R_CreateImage( const char *name, byte *pic, int width, int height, imgType_t type, imgFlags_t flags, int internalFormat );
 
 void R_IssuePendingRenderCommands( void );
 qhandle_t		 RE_RegisterShaderLightMap( const char *name, int lightmapIndex );
diff --git a/code/renderercommon/tr_public.h b/code/renderercommon/tr_public.h
index c4eddbdb..359f53d5 100644
--- a/code/renderercommon/tr_public.h
+++ b/code/renderercommon/tr_public.h
@@ -172,6 +172,9 @@ typedef struct {
     orientation_t   (*TIKI_Orientation)(refEntity_t* model, int tagNum);
     qboolean        (*TIKI_IsOnGround)(refEntity_t* model, int tagNum, float threshold);
     void            (*SetFrameNumber)(int frameNumber);
+
+	qboolean (*ImageExists)(const char* name);
+	int (*CountTextureMemory)();
 } refexport_t;
 
 //
diff --git a/code/renderergl1/tr_bsp.c b/code/renderergl1/tr_bsp.c
index dd0bd7cd..3100546b 100644
--- a/code/renderergl1/tr_bsp.c
+++ b/code/renderergl1/tr_bsp.c
@@ -255,7 +255,7 @@ static	void R_LoadLightmaps(gamelump_t* l) {
                 image[j*4+3] = 255;
             }
         }
-        tr.lightmaps[i] = R_CreateImage(va("*lightmap%d", i), image,
+        tr.lightmaps[i] = R_CreateImageOld(va("*lightmap%d", i), image,
             LIGHTMAP_SIZE, LIGHTMAP_SIZE, 0, 1, qfalse, qfalse, qfalse, qfalse, GL_CLAMP, GL_CLAMP);
     }
 
diff --git a/code/renderergl1/tr_image.c b/code/renderergl1/tr_image.c
index f36f1afa..587c0e34 100644
--- a/code/renderergl1/tr_image.c
+++ b/code/renderergl1/tr_image.c
@@ -833,7 +833,7 @@ R_CreateImage
 This is the only way any image_t are created
 ================
 */
-image_t* R_CreateImage(
+image_t* R_CreateImageOld(
 	const char* name,
 	byte* pic,
 	int width,
@@ -2477,7 +2477,7 @@ Finds or loads the given image.
 Returns NULL if it fails, not a default image.
 ==============
 */
-image_t* R_FindImageFile(const char* name, qboolean mipmap, qboolean allowPicmip, qboolean force32bit, int glWrapClampModeX, int glWrapClampModeY) {
+image_t* R_FindImageFileOld(const char* name, qboolean mipmap, qboolean allowPicmip, qboolean force32bit, int glWrapClampModeX, int glWrapClampModeY) {
 	image_t	*image;
 	int		width, height;
 	byte	*pic;
@@ -2528,7 +2528,7 @@ image_t* R_FindImageFile(const char* name, qboolean mipmap, qboolean allowPicmip
 		return NULL;
 	}
 
-	image = R_CreateImage(
+	image = R_CreateImageOld(
 		name,
 		pic,
 		width,
@@ -2556,7 +2556,7 @@ image_t* R_FindImageFile(const char* name, qboolean mipmap, qboolean allowPicmip
 R_RefreshImageFile
 ================
 */
-image_t* R_RefreshImageFile(const char* name, qboolean mipmap, qboolean allowPicmip, qboolean force32bit, int glWrapClampModeX, int glWrapClampModeY) {
+image_t* R_RefreshImageFileOld(const char* name, qboolean mipmap, qboolean allowPicmip, qboolean force32bit, int glWrapClampModeX, int glWrapClampModeY) {
 	char imagename[64];
 	image_t* image;
 	long hash;
@@ -2575,7 +2575,7 @@ image_t* R_RefreshImageFile(const char* name, qboolean mipmap, qboolean allowPic
         {
             image = image->next;
 			if (!image) {
-				return R_FindImageFile(
+				return R_FindImageFileOld(
 					imagename,
 					mipmap,
 					allowPicmip,
@@ -2589,7 +2589,7 @@ image_t* R_RefreshImageFile(const char* name, qboolean mipmap, qboolean allowPic
         R_FreeImage(image);
     }
 
-    return R_FindImageFile(
+    return R_FindImageFileOld(
 		imagename,
 		mipmap,
 		allowPicmip,
@@ -2657,7 +2657,7 @@ static void R_CreateDlightImage( void ) {
 			data[y][x][3] = 255;			
 		}
 	}
-	tr.dlightImage = R_CreateImage("*dlight", (byte *)data, DLIGHT_SIZE, DLIGHT_SIZE, 0, 1, qfalse, qfalse, qfalse, qfalse, GL_CLAMP, GL_CLAMP);
+	tr.dlightImage = R_CreateImageOld("*dlight", (byte *)data, DLIGHT_SIZE, DLIGHT_SIZE, 0, 1, qfalse, qfalse, qfalse, qfalse, GL_CLAMP, GL_CLAMP);
 	tr.dlightImage->r_sequence = -1;
 }
 
@@ -2694,7 +2694,7 @@ static void R_CreateDefaultImage( void ) {
 		data[x][DEFAULT_SIZE-1][2] =
 		data[x][DEFAULT_SIZE-1][3] = 255;
 	}
-	tr.defaultImage = R_CreateImage("*default", (byte *)data, DEFAULT_SIZE, DEFAULT_SIZE, 1, 1, qfalse, qfalse, qfalse, qfalse, GL_REPEAT, GL_REPEAT);
+	tr.defaultImage = R_CreateImageOld("*default", (byte *)data, DEFAULT_SIZE, DEFAULT_SIZE, 1, 1, qfalse, qfalse, qfalse, qfalse, GL_REPEAT, GL_REPEAT);
 	tr.defaultImage->r_sequence = -1;
 }
 
@@ -2713,7 +2713,7 @@ void R_CreateBuiltinImages(void) {
 
 	// we use a solid white image instead of disabling texturing
 	Com_Memset( data, 255, sizeof( data ) );
-	tr.whiteImage = R_CreateImage("*white", (byte *)data, 8, 8, 0, 1, qfalse, qfalse, qfalse, qfalse, GL_REPEAT, GL_REPEAT);
+	tr.whiteImage = R_CreateImageOld("*white", (byte *)data, 8, 8, 0, 1, qfalse, qfalse, qfalse, qfalse, GL_REPEAT, GL_REPEAT);
 	tr.whiteImage->r_sequence = -1;
 
 	// with overbright bits active, we need an image which is some fraction of full color,
@@ -2732,14 +2732,14 @@ void R_CreateBuiltinImages(void) {
 		char filename[64];
 
 		Com_sprintf(filename, sizeof(filename), "*lightmapD%i", i);
-		tr.dlightImages[i] = R_CreateImage(filename, lightmap_buffer, LIGHTMAP_SIZE, LIGHTMAP_SIZE, 0, 1, qfalse, qfalse, qfalse, 0, GL_CLAMP, GL_CLAMP);
+		tr.dlightImages[i] = R_CreateImageOld(filename, lightmap_buffer, LIGHTMAP_SIZE, LIGHTMAP_SIZE, 0, 1, qfalse, qfalse, qfalse, 0, GL_CLAMP, GL_CLAMP);
 		tr.dlightImages[i]->r_sequence = -1;
 	}
 
-	tr.identityLightImage = R_CreateImage("*identityLight", (byte *)data, 8, 8, 0, 1, qfalse, qfalse, qfalse, qfalse, GL_REPEAT, GL_REPEAT);
+	tr.identityLightImage = R_CreateImageOld("*identityLight", (byte *)data, 8, 8, 0, 1, qfalse, qfalse, qfalse, qfalse, GL_REPEAT, GL_REPEAT);
 	tr.identityLightImage->r_sequence = -1;
 
-	tr.scratchImage = R_CreateImage("*scratch", (byte*)data, DEFAULT_SIZE, DEFAULT_SIZE, 0, 1, qtrue, qfalse, qfalse, qfalse, GL_CLAMP, GL_CLAMP);
+	tr.scratchImage = R_CreateImageOld("*scratch", (byte*)data, DEFAULT_SIZE, DEFAULT_SIZE, 0, 1, qtrue, qfalse, qfalse, qfalse, GL_CLAMP, GL_CLAMP);
 	tr.scratchImage->r_sequence = -1;
 
 	R_CreateDlightImage();
diff --git a/code/renderergl1/tr_init.c b/code/renderergl1/tr_init.c
index a7861367..5c07becb 100644
--- a/code/renderergl1/tr_init.c
+++ b/code/renderergl1/tr_init.c
@@ -1931,5 +1931,8 @@ refexport_t *GetRefAPI ( int apiVersion, refimport_t *rimp ) {
 	re.TIKI_IsOnGround = RE_TIKI_IsOnGround;
 	re.SetFrameNumber = RE_SetFrameNumber;
 
+	re.ImageExists = R_ImageExists;
+	re.CountTextureMemory = R_CountTextureMemory;
+
 	return &re;
 }
diff --git a/code/renderergl1/tr_local.h b/code/renderergl1/tr_local.h
index 7e3e5f9b..b5d99f38 100644
--- a/code/renderergl1/tr_local.h
+++ b/code/renderergl1/tr_local.h
@@ -1778,6 +1778,27 @@ model_t		*R_AllocModel( void );
 
 void    	R_Init( void );
 
+image_t		*R_FindImageFileOld(const char* name, qboolean mipmap, qboolean allowPicmip, qboolean force32bit, int glWrapClampModeX, int glWrapClampModeY);
+image_t		*R_RefreshImageFileOld(const char* name, qboolean mipmap, qboolean allowPicmip, qboolean force32bit, int glWrapClampModeX, int glWrapClampModeY);
+
+image_t* R_CreateImageOld(
+    const char* name,
+    byte* pic,
+    int width,
+    int height,
+    int numMipmaps,
+    int iMipmapsAvailable,
+    qboolean allowPicmip,
+    qboolean force32bit,
+    qboolean hasAlpha,
+    int glCompressMode,
+    int glWrapClampModeX,
+    int glWrapClampModeY
+);
+
+qboolean R_ImageExists(const char* name);
+int R_CountTextureMemory();
+
 qboolean	R_GetModeInfo( int *width, int *height, float *windowAspect, int mode );
 
 void		R_SetColorMappings( void );
diff --git a/code/renderergl1/tr_public.h b/code/renderergl1/tr_public.h
index c4ad0dd5..c1311eea 100644
--- a/code/renderergl1/tr_public.h
+++ b/code/renderergl1/tr_public.h
@@ -243,8 +243,6 @@ typedef struct {
 // returned.
 refexport_t*GetRefAPI( int apiVersion, refimport_t *rimp );
 
-qboolean R_ImageExists(const char* name);
-
 #ifdef __cplusplus
 }
 #endif
diff --git a/code/renderergl1/tr_shader.c b/code/renderergl1/tr_shader.c
index 809d5913..fc55b4c7 100644
--- a/code/renderergl1/tr_shader.c
+++ b/code/renderergl1/tr_shader.c
@@ -878,7 +878,7 @@ static qboolean ParseStage(shaderStage_t* stage, char** text, qboolean picmip)
 			}
 			else
 			{
-				stage->bundle[cntBundle].image[0] = R_FindImageFile(token, !stage->noMipMaps, (!stage->noPicMip ? picmip : 0), stage->force32bit, GL_REPEAT, GL_REPEAT);
+				stage->bundle[cntBundle].image[0] = R_FindImageFileOld(token, !stage->noMipMaps, (!stage->noPicMip ? picmip : 0), stage->force32bit, GL_REPEAT, GL_REPEAT);
 				if (!stage->bundle[cntBundle].image[0])
 				{
 					ri.Printf(PRINT_WARNING, "WARNING: R_FindImageFile could not find '%s' in shader '%s'\n", token, shader.name);
@@ -937,7 +937,7 @@ static qboolean ParseStage(shaderStage_t* stage, char** text, qboolean picmip)
 				return qfalse;
 			}
 
-			stage->bundle[cntBundle].image[0] = R_FindImageFile(token, !stage->noMipMaps, (!stage->noPicMip ? picmip : 0), stage->force32bit, clampx, clampy);
+			stage->bundle[cntBundle].image[0] = R_FindImageFileOld(token, !stage->noMipMaps, (!stage->noPicMip ? picmip : 0), stage->force32bit, clampx, clampy);
 			if (!stage->bundle[cntBundle].image[0])
 			{
 				ri.Printf(PRINT_WARNING, "WARNING: R_FindImageFile could not find '%s' in shader '%s'\n", token, shader.name);
@@ -989,7 +989,7 @@ static qboolean ParseStage(shaderStage_t* stage, char** text, qboolean picmip)
 				}
 				num = stage->bundle[cntBundle].numImageAnimations;
 				if ( num < MAX_IMAGE_ANIMATIONS ) {
-                    stage->bundle[cntBundle].image[num] = R_FindImageFile(token, !stage->noMipMaps, (!stage->noPicMip ? picmip : 0), stage->force32bit, GL_REPEAT, GL_REPEAT );
+                    stage->bundle[cntBundle].image[num] = R_FindImageFileOld(token, !stage->noMipMaps, (!stage->noPicMip ? picmip : 0), stage->force32bit, GL_REPEAT, GL_REPEAT );
 					if ( !stage->bundle[cntBundle].image[num] )
 					{
 						ri.Printf( PRINT_WARNING, "WARNING: R_FindImageFile could not find '%s' in shader '%s'\n", token, shader.name );
@@ -1012,7 +1012,7 @@ static qboolean ParseStage(shaderStage_t* stage, char** text, qboolean picmip)
                 return qfalse;
             }
 
-			stage->normalMap = R_FindImageFile(token, !stage->noMipMaps, (!stage->noPicMip ? picmip : 0), stage->force32bit, GL_REPEAT, GL_REPEAT);
+			stage->normalMap = R_FindImageFileOld(token, !stage->noMipMaps, (!stage->noPicMip ? picmip : 0), stage->force32bit, GL_REPEAT, GL_REPEAT);
 			if (!stage->normalMap)
             {
                 ri.Printf(PRINT_WARNING, "WARNING: R_FindImageFile could not find '%s' in shader '%s'\n", token, shader.name);
@@ -1981,10 +1981,10 @@ static void ParseSkyParms( char **text ) {
 			Com_sprintf( pathname, sizeof(pathname), "%s_%s.tga"
 				, token, suf[i] );
 			if (!haveClampToEdge) {
-				shader.sky.outerbox[i] = R_FindImageFile((char*)pathname, qtrue, qtrue, shader_force32bit, GL_CLAMP, GL_CLAMP);
+				shader.sky.outerbox[i] = R_FindImageFileOld((char*)pathname, qtrue, qtrue, shader_force32bit, GL_CLAMP, GL_CLAMP);
 			}
 			else {
-				shader.sky.outerbox[i] = R_FindImageFile((char*)pathname, qtrue, qtrue, shader_force32bit, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE);
+				shader.sky.outerbox[i] = R_FindImageFileOld((char*)pathname, qtrue, qtrue, shader_force32bit, GL_CLAMP_TO_EDGE, GL_CLAMP_TO_EDGE);
 			}
 			if ( !shader.sky.outerbox[i] ) {
 				shader.sky.outerbox[i] = tr.defaultImage;
@@ -2015,7 +2015,7 @@ static void ParseSkyParms( char **text ) {
 		for (i=0 ; i<6 ; i++) {
 			Com_sprintf( pathname, sizeof(pathname), "%s_%s.tga"
 				, token, suf[i] );
-			shader.sky.outerbox[i] = R_FindImageFile( ( char * ) pathname, qtrue, qtrue, shader_force32bit, GL_REPEAT, GL_REPEAT );
+			shader.sky.outerbox[i] = R_FindImageFileOld( ( char * ) pathname, qtrue, qtrue, shader_force32bit, GL_REPEAT, GL_REPEAT );
 			if ( !shader.sky.innerbox[i] ) {
 				shader.sky.innerbox[i] = tr.defaultImage;
 			}
@@ -3364,10 +3364,10 @@ shader_t* R_FindShader(const char* name, int lightmapIndex, qboolean mipRawImage
 	Q_strncpyz( fileName, name, sizeof( fileName ) );
 	COM_DefaultExtension( fileName, sizeof( fileName ), ".tga" );
     if (!haveClampToEdge) {
-        image = R_FindImageFile(fileName, mipRawImage, picmip, qfalse, wrapx ? GL_REPEAT : GL_CLAMP, wrapy ? GL_REPEAT : GL_CLAMP);
+        image = R_FindImageFileOld(fileName, mipRawImage, picmip, qfalse, wrapx ? GL_REPEAT : GL_CLAMP, wrapy ? GL_REPEAT : GL_CLAMP);
 	}
     else {
-        image = R_FindImageFile(fileName, mipRawImage, picmip, qfalse, wrapx ? GL_REPEAT : GL_CLAMP_TO_EDGE, wrapy ? GL_REPEAT : GL_CLAMP_TO_EDGE);
+        image = R_FindImageFileOld(fileName, mipRawImage, picmip, qfalse, wrapx ? GL_REPEAT : GL_CLAMP_TO_EDGE, wrapy ? GL_REPEAT : GL_CLAMP_TO_EDGE);
 	}
 
 	if ( !image ) {
@@ -3517,7 +3517,7 @@ qhandle_t RE_RefreshShaderNoMip(const char* name) {
 				currentShader = NULL;
 
 				if (image) {
-					sh->unfoggedStages[0]->bundle[0].image[0] = R_RefreshImageFile(
+					sh->unfoggedStages[0]->bundle[0].image[0] = R_RefreshImageFileOld(
 						image->imgName,
 						image->numMipmaps,
 						image->allowPicmip,
diff --git a/code/renderergl2/glsl/shaders.cmake b/code/renderergl2/glsl/shaders.cmake
new file mode 100644
index 00000000..3f8b3fc3
--- /dev/null
+++ b/code/renderergl2/glsl/shaders.cmake
@@ -0,0 +1,14 @@
+file(GLOB_RECURSE SHADER_GLSL_SRCS "*.glsl")
+
+add_executable(stringify "../tools/stringify.cpp")
+
+foreach (shader ${SHADER_GLSL_SRCS})
+	get_filename_component(shaderfile ${shader} NAME_WE)
+	list(APPEND SHADER_SRCS ${CMAKE_CURRENT_BINARY_DIR}/${shaderfile}.c)
+	set_source_files_properties(${shaderfile}.c PROPERTIES GENERATED TRUE)
+	add_custom_command(OUTPUT ${shaderfile}.c
+		DEPENDS stringify ${shader}
+		COMMAND stringify ${shader} ${CMAKE_CURRENT_BINARY_DIR}/${shaderfile}.c
+		COMMENT "Generate c source for ${shader}: ${shaderfile}.c"
+	)
+endforeach()
diff --git a/code/uilib/ui_public.h b/code/uilib/ui_public.h
index 9547e57b..e0712475 100644
--- a/code/uilib/ui_public.h
+++ b/code/uilib/ui_public.h
@@ -84,6 +84,7 @@ typedef struct uiimport_s {
 	void( *Rend_DrawBox )( float x, float y, float w, float h );
 	int( *Rend_GetShaderWidth )( qhandle_t hShader );
 	int( *Rend_GetShaderHeight )( qhandle_t hShader );
+    qboolean ( *Rend_ImageExists )( const char* name );
 #ifdef __cplusplus
 	void ( *File_PickFile )( const char *name, Listener *obj, Event& event );
 #else