X-Git-Url: http://deadsoftware.ru/gitweb?a=blobdiff_plain;f=src%2Fgame%2Fopengl%2Fr_render.pas;h=bea15e65fd69381263c4714dbef9e9fab47d2719;hb=842d9be737f296941302d4dd727d95ded3aa2e16;hp=9f8b754e4e494424548e5685c57fc6df9b147598;hpb=fbb649f409620a55ae48f1bffd655c5a04489371;p=d2df-sdl.git

diff --git a/src/game/opengl/r_render.pas b/src/game/opengl/r_render.pas
index 9f8b754..bea15e6 100644
--- a/src/game/opengl/r_render.pas
+++ b/src/game/opengl/r_render.pas
@@ -19,16 +19,61 @@ interface
 
   procedure r_Render_Initialize;
   procedure r_Render_Finalize;
+  procedure r_Render_Resize (w, h: Integer);
+
+  procedure r_Render_Apply;
 
 implementation
 
-  uses SysUtils, Classes, g_system, g_game, g_options, r_window, r_graphics, r_console, r_playermodel;
+  uses
+    {$INCLUDE ../../nogl/noGLuses.inc}
+    SysUtils, Classes, Math,
+    e_log, g_system,
+    g_game, g_options, g_console,
+    r_window, r_graphics, r_console, r_playermodel
+  ;
+
+  var
+    LoadedGL: Boolean = false;
+
+  procedure LoadGL;
+  begin
+    if LoadedGL = false then
+    begin
+      {$IFDEF NOGL_INIT}
+        nogl_Init;
+        if glRenderToFBO and (not nogl_ExtensionSupported('GL_OES_framebuffer_object')) then
+        begin
+          e_LogWriteln('GL: framebuffer objects not supported; disabling FBO rendering');
+          glRenderToFBO := false
+        end;
+      {$ELSE}
+        if glRenderToFBO and (not Load_GL_ARB_framebuffer_object) then
+        begin
+          e_LogWriteln('GL: framebuffer objects not supported; disabling FBO rendering');
+          glRenderToFBO := false
+        end;
+      {$ENDIF}
+      LoadedGL := true
+    end
+  end;
+
+  procedure FreeGL;
+  begin
+    if LoadedGL = true then
+    begin
+      {$IFDEF NOGL_INIT}
+        nogl_Quit
+      {$ENDIF}
+      LoadedGL := false
+    end
+  end;
 
   procedure r_Render_Initialize;
   begin
     if sys_SetDisplayMode(gRC_Width, gRC_Height, gBPP, gRC_FullScreen, gRC_Maximized) = False then
       raise Exception.Create('Failed to set videomode on startup.');
-    
+    LoadGL;
     r_Window_Initialize;
     r_Console_Init;
     r_PlayerModel_Initialize;
@@ -36,8 +81,44 @@ implementation
 
   procedure r_Render_Finalize;
   begin
+    FreeGL;
     r_PlayerModel_Finalize;
     e_ReleaseEngine
   end;
 
+  procedure r_Render_Resize (w, h: Integer);
+  begin
+    LoadGL;
+    gWinSizeX := w;
+    gWinSizeY := h;
+    gRC_Width := w;
+    gRC_Height := h;
+    if glRenderToFBO then
+    begin
+      // store real window size in gWinSize, downscale resolution now
+      w := round(w / r_pixel_scale);
+      h := round(h / r_pixel_scale);
+      if not e_ResizeFramebuffer(w, h) then
+      begin
+        e_LogWriteln('GL: could not create framebuffer, falling back to --no-fbo');
+        glRenderToFBO := False;
+        w := gWinSizeX;
+        h := gWinSizeY;
+      end;
+    end;
+    gScreenWidth := w;
+    gScreenHeight := h;
+    e_ResizeWindow(w, h);
+    e_InitGL
+  end;
+
+  procedure r_Render_Apply;
+  begin
+    if sys_SetDisplayMode(Max(1, gRC_Width), Max(1, gRC_Height), Max(1, gBPP), gRC_FullScreen, gRC_Maximized) then
+      e_LogWriteln('resolution changed')
+    else
+      e_LogWriteln('resolution not changed');
+    sys_EnableVSync(gVSync)
+  end;
+
 end.