diff --git a/src/core.cc b/src/core.cc
index 6d721f2..802797b 100644
--- a/src/core.cc
+++ b/src/core.cc
@@ -356,8 +356,10 @@ int gKeyboardLayout;
 unsigned char gPressedPhysicalKeysCount;
 
 SDL_Window* gSdlWindow = NULL;
-SDL_Surface* gSdlWindowSurface = NULL;
 SDL_Surface* gSdlSurface = NULL;
+SDL_Renderer* gSdlRenderer = NULL;
+SDL_Texture* gSdlTexture = NULL;
+SDL_Surface* gSdlTextureSurface = NULL;
 
 // 0x4C8A70
 int coreInit(int a1)
@@ -1268,7 +1270,6 @@ void _GNW95_process_message()
             case SDL_WINDOWEVENT_SIZE_CHANGED:
                 // TODO: Recreate gSdlSurface in case size really changed (i.e.
                 // not alt-tabbing in fullscreen mode).
-                gSdlWindowSurface = SDL_GetWindowSurface(gSdlWindow);
                 break;
             case SDL_WINDOWEVENT_FOCUS_GAINED:
                 gProgramIsActive = true;
@@ -2014,24 +2015,67 @@ int _init_vesa_mode(int width, int height)
 int _GNW95_init_window(int width, int height, bool fullscreen)
 {
     if (gSdlWindow == NULL) {
+        SDL_SetHint(SDL_HINT_RENDER_DRIVER, "opengl");
+
         if (SDL_Init(SDL_INIT_VIDEO) != 0) {
             return -1;
         }
 
-        gSdlWindow = SDL_CreateWindow(gProgramWindowTitle, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, fullscreen ? SDL_WINDOW_FULLSCREEN : 0);
+        Uint32 windowFlags = SDL_WINDOW_OPENGL;
+
+        if (fullscreen) {
+            windowFlags |= SDL_WINDOW_FULLSCREEN;
+        }
+
+        gSdlWindow = SDL_CreateWindow(gProgramWindowTitle, SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, width, height, windowFlags);
         if (gSdlWindow == NULL) {
             return -1;
         }
 
-        gSdlWindowSurface = SDL_GetWindowSurface(gSdlWindow);
-        if (gSdlWindowSurface == NULL) {
-            SDL_DestroyWindow(gSdlWindow);
-            gSdlWindow = NULL;
-            return -1;
+        gSdlRenderer = SDL_CreateRenderer(gSdlWindow, -1, 0);
+        if (gSdlRenderer == NULL) {
+            goto err;
+        }
+        
+        if (SDL_RenderSetLogicalSize(gSdlRenderer, width, height) != 0) {
+            goto err;
+        }
+
+        gSdlTexture = SDL_CreateTexture(gSdlRenderer, SDL_PIXELFORMAT_RGB888, SDL_TEXTUREACCESS_STREAMING, width, height);
+        if (gSdlTexture == NULL) {
+            goto err;
+        }
+
+        Uint32 format;
+        if (SDL_QueryTexture(gSdlTexture, &format, NULL, NULL, NULL) != 0) {
+            goto err;
+        }
+
+        gSdlTextureSurface = SDL_CreateRGBSurfaceWithFormat(0, width, height, SDL_BITSPERPIXEL(format), format);
+        if (gSdlTextureSurface == NULL) {
+            goto err;
         }
     }
 
     return 0;
+
+err:
+    if (gSdlTexture != NULL) {
+        SDL_DestroyTexture(gSdlTexture);
+        gSdlTexture = NULL;
+    }
+
+    if (gSdlRenderer != NULL) {
+        SDL_DestroyRenderer(gSdlRenderer);
+        gSdlRenderer = NULL;
+    }
+
+    if (gSdlWindow != NULL) {
+        SDL_DestroyWindow(gSdlWindow);
+        gSdlWindow = NULL;
+    }
+
+    return -1;
 }
 
 // calculate shift for mask
@@ -2133,8 +2177,11 @@ void directDrawSetPaletteInRange(unsigned char* palette, int start, int count)
         }
 
         SDL_SetPaletteColors(gSdlSurface->format->palette, colors, start, count);
-        SDL_BlitSurface(gSdlSurface, NULL, gSdlWindowSurface, NULL);
-        SDL_UpdateWindowSurface(gSdlWindow);
+        SDL_BlitSurface(gSdlSurface, NULL, gSdlTextureSurface, NULL);
+        SDL_UpdateTexture(gSdlTexture, NULL, gSdlTextureSurface->pixels, gSdlTextureSurface->pitch);
+        SDL_RenderClear(gSdlRenderer);
+        SDL_RenderCopy(gSdlRenderer, gSdlTexture, NULL, NULL);
+        SDL_RenderPresent(gSdlRenderer);
     } else {
         for (int index = start; index < start + count; index++) {
             unsigned short r = palette[0] << 2;
@@ -2177,8 +2224,11 @@ void directDrawSetPalette(unsigned char* palette)
         }
 
         SDL_SetPaletteColors(gSdlSurface->format->palette, colors, 0, 256);
-        SDL_BlitSurface(gSdlSurface, NULL, gSdlWindowSurface, NULL);
-        SDL_UpdateWindowSurface(gSdlWindow);
+        SDL_BlitSurface(gSdlSurface, NULL, gSdlTextureSurface, NULL);
+        SDL_UpdateTexture(gSdlTexture, NULL, gSdlTextureSurface->pixels, gSdlTextureSurface->pitch);
+        SDL_RenderClear(gSdlRenderer);
+        SDL_RenderCopy(gSdlRenderer, gSdlTexture, NULL, NULL);
+        SDL_RenderPresent(gSdlRenderer);
     } else {
         for (int index = 0; index < 256; index++) {
             unsigned short r = palette[index * 3] << 2;
@@ -2258,8 +2308,11 @@ void _GNW95_ShowRect(unsigned char* src, int srcPitch, int a3, int srcX, int src
     SDL_Rect destRect;
     destRect.x = destX;
     destRect.y = destY;
-    SDL_BlitSurface(gSdlSurface, &srcRect, gSdlWindowSurface, &destRect);
-    SDL_UpdateWindowSurface(gSdlWindow);
+    SDL_BlitSurface(gSdlSurface, &srcRect, gSdlTextureSurface, &destRect);
+    SDL_UpdateTexture(gSdlTexture, NULL, gSdlTextureSurface->pixels, gSdlTextureSurface->pitch);
+    SDL_RenderClear(gSdlRenderer);
+    SDL_RenderCopy(gSdlRenderer, gSdlTexture, NULL, NULL);
+    SDL_RenderPresent(gSdlRenderer);
 }
 
 // 0x4CB93C
@@ -2298,8 +2351,11 @@ void _GNW95_MouseShowRect16(unsigned char* src, int srcPitch, int a3, int srcX,
     SDL_Rect destRect;
     destRect.x = destX;
     destRect.y = destY;
-    SDL_BlitSurface(gSdlSurface, &srcRect, gSdlWindowSurface, &destRect);
-    SDL_UpdateWindowSurface(gSdlWindow);
+    SDL_BlitSurface(gSdlSurface, &srcRect, gSdlTextureSurface, &destRect);
+    SDL_UpdateTexture(gSdlTexture, NULL, gSdlTextureSurface->pixels, gSdlTextureSurface->pitch);
+    SDL_RenderClear(gSdlRenderer);
+    SDL_RenderCopy(gSdlRenderer, gSdlTexture, NULL, NULL);
+    SDL_RenderPresent(gSdlRenderer);
 }
 
 // 0x4CBA44
@@ -2346,8 +2402,11 @@ void _GNW95_MouseShowTransRect16(unsigned char* src, int srcPitch, int a3, int s
     SDL_Rect destRect;
     destRect.x = destX;
     destRect.y = destY;
-    SDL_BlitSurface(gSdlSurface, &srcRect, gSdlWindowSurface, &destRect);
-    SDL_UpdateWindowSurface(gSdlWindow);
+    SDL_BlitSurface(gSdlSurface, &srcRect, gSdlTextureSurface, &destRect);
+    SDL_UpdateTexture(gSdlTexture, NULL, gSdlTextureSurface->pixels, gSdlTextureSurface->pitch);
+    SDL_RenderClear(gSdlRenderer);
+    SDL_RenderCopy(gSdlRenderer, gSdlTexture, NULL, NULL);
+    SDL_RenderPresent(gSdlRenderer);
 }
 
 // Clears drawing surface.
@@ -2369,8 +2428,11 @@ void _GNW95_zero_vid_mem()
 
     SDL_UnlockSurface(gSdlSurface);
 
-    SDL_BlitSurface(gSdlSurface, NULL, gSdlWindowSurface, NULL);
-    SDL_UpdateWindowSurface(gSdlWindow);
+    SDL_BlitSurface(gSdlSurface, NULL, gSdlTextureSurface, NULL);
+    SDL_UpdateTexture(gSdlTexture, NULL, gSdlTextureSurface->pixels, gSdlTextureSurface->pitch);
+    SDL_RenderClear(gSdlRenderer);
+    SDL_RenderCopy(gSdlRenderer, gSdlTexture, NULL, NULL);
+    SDL_RenderPresent(gSdlRenderer);
 }
 
 // 0x4CBC90
diff --git a/src/core.h b/src/core.h
index 38b877f..b046821 100644
--- a/src/core.h
+++ b/src/core.h
@@ -522,8 +522,10 @@ extern int gKeyboardLayout;
 extern unsigned char gPressedPhysicalKeysCount;
 
 extern SDL_Window* gSdlWindow;
-extern SDL_Surface* gSdlWindowSurface;
 extern SDL_Surface* gSdlSurface;
+extern SDL_Renderer* gSdlRenderer;
+extern SDL_Texture* gSdlTexture;
+extern SDL_Surface* gSdlTextureSurface;
 
 int coreInit(int a1);
 void coreExit();
diff --git a/src/movie.cc b/src/movie.cc
index 0ebec83..f789f4a 100644
--- a/src/movie.cc
+++ b/src/movie.cc
@@ -259,8 +259,11 @@ static void movieDirectImpl(SDL_Surface* surface, int srcWidth, int srcHeight, i
     // backbuffer surface (with palette set), all we get is shiny white box.
     SDL_SetSurfacePalette(surface, gSdlSurface->format->palette);
     SDL_BlitSurface(surface, &srcRect, gSdlSurface, &destRect);
-    SDL_BlitSurface(gSdlSurface, NULL, gSdlWindowSurface, NULL);
-    SDL_UpdateWindowSurface(gSdlWindow);    
+    SDL_BlitSurface(gSdlSurface, NULL, gSdlTextureSurface, NULL);
+    SDL_UpdateTexture(gSdlTexture, NULL, gSdlTextureSurface->pixels, gSdlTextureSurface->pitch);
+    SDL_RenderClear(gSdlRenderer);
+    SDL_RenderCopy(gSdlRenderer, gSdlTexture, NULL, NULL);
+    SDL_RenderPresent(gSdlRenderer);
 }
 
 // 0x486900