Changeset 1208 for trunk/src/platformTweet

Timestamp:

Apr 10, 2012, 3:12:52 AM (11 years ago)

Author:

sam

Message:

win32: start porting the graphical backend to DirectX 9. Apparently I
cannot used DirectX 10 because my video card only supports DX9, and there
is no compatibility layer. DX11 has feature levels for older hardware so
it would work with a DX9 card, but it's not available for WinXP.

File:

• trunk/src/platform/sdl/sdlapp.cpp (modified) (4 diffs)

trunk/src/platform/sdl/sdlapp.cpp

@@ -15 +15 @@
 #if defined USE_SDL
 #   include <SDL.h>
+#   if defined USE_D3D9
+#       include <d3d9.h>
+#       include <SDL_syswm.h>
+#   endif
 #endif
 
@@ -21 +25 @@
 #include "platform/sdl/sdlapp.h"
 #include "platform/sdl/sdlinput.h"
+
+#if defined USE_D3D9
+HWND g_hwnd = NULL;
+#endif
 
 namespace lol
@@ -52 +60 @@
     }
 
+#   if defined USE_D3D9
+    SDL_Surface *video = SDL_SetVideoMode(res.x, res.y, 16, 0);
+    SDL_SysWMinfo wminfo;
+    SDL_VERSION(&wminfo.version);
+    SDL_GetWMInfo(&wminfo);
+    g_hwnd = wminfo.window;
+#   else
     SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
     SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
     SDL_Surface *video = SDL_SetVideoMode(res.x, res.y, 0, SDL_OPENGL);
+#   endif
     if (!video)
     {
-        Log::Error("cannot create OpenGL screen: %s\n", SDL_GetError());
+        Log::Error("cannot create rendering window: %s\n", SDL_GetError());
         SDL_Quit();
         exit(EXIT_FAILURE);
@@ -85 +101 @@
     while (!Ticker::Finished())
     {
+#if defined USE_SDL && defined USE_D3D9
+        extern IDirect3DDevice9 *g_d3ddevice;
+        g_d3ddevice->BeginScene();
+#endif
         /* Tick the renderer, show the frame and clamp to desired framerate. */
         Ticker::TickDraw();
 #if defined USE_SDL
+#   if defined USE_D3D9
+        g_d3ddevice->EndScene();
+        g_d3ddevice->Present(NULL, NULL, NULL, NULL);
+#   else
         SDL_GL_SwapBuffers();
+#   endif
 #endif
     }