Added debug more code.

Added a check to create a new depth stencil buffer if the render to texture size is bigger than the original depth stencil buffer.
Set depth stencil surface each time the render target is changed (this may or may not help the render to texture bug).

panda/src/dxgsg9/dxGraphicsStateGuardian9.cxx

@@ -66,8 +66,10 @@
 
 
 #define DEBUG_LRU false
-#define DEFAULT_ENABLE_LRU true
-#define DEFAULT_ENABLE_DX_MANAGED false
+
+
+#define DBG_S if (false) {
+#define DBG_E }
 
 
 TypeHandle DXGraphicsStateGuardian9::_type_handle;
@@ -529,6 +531,8 @@ do_clear(const RenderBuffer &buffer) {
   DWORD main_flags = 0;
   DWORD aux_flags = 0;
 
+DBG_S dxgsg9_cat.error ( ) << "DXGraphicsStateGuardian9::do_clear\n"; DBG_E
+
   //set appropriate flags
   if (buffer_type & RenderBuffer::T_back) {
     main_flags |=  D3DCLEAR_TARGET;
@@ -545,6 +549,9 @@ do_clear(const RenderBuffer &buffer) {
   }
 
   if ((main_flags | aux_flags) != 0) {
+
+DBG_S dxgsg9_cat.error ( ) << "ccccc DXGraphicsStateGuardian9::really do_clear\n"; DBG_E
+
     HRESULT hr = _d3d_device->Clear(0, NULL, main_flags | aux_flags, _d3dcolor_clear_value,
                                     _depth_clear_value, (DWORD)_stencil_clear_value);
     if (FAILED(hr) && main_flags == D3DCLEAR_TARGET && aux_flags != 0) {
@@ -593,6 +600,9 @@ do_clear(const RenderBuffer &buffer) {
 ////////////////////////////////////////////////////////////////////
 void DXGraphicsStateGuardian9::
 prepare_display_region() {
+
+// DBG_S dxgsg9_cat.error ( ) << "DXGraphicsStateGuardian9::PRE prepare_display_region\n"; DBG_E
+
   if (_current_display_region == (DisplayRegion*)0L) {
     dxgsg9_cat.error()
       << "Invalid NULL display region in prepare_display_region()\n";
@@ -600,9 +610,13 @@ prepare_display_region() {
   } else if (_current_display_region != _actual_display_region) {
     _actual_display_region = _current_display_region;
 
+// DBG_S dxgsg9_cat.error ( ) << "DXGraphicsStateGuardian9::prepare_display_region\n"; DBG_E
+
     int l, u, w, h;
     _actual_display_region->get_region_pixels_i(l, u, w, h);
 
+DBG_S dxgsg9_cat.error ( ) << "display_region " << l << " " << u << " "  << w << " "  << h << "\n"; DBG_E
+
     // Create the viewport
     D3DVIEWPORT9 vp = { l, u, w, h, 0.0f, 1.0f };
     HRESULT hr = _d3d_device->SetViewport(&vp);
@@ -701,12 +715,36 @@ prepare_lens() {
 bool DXGraphicsStateGuardian9::
 begin_frame() {
 
+DBG_S dxgsg9_cat.error ( ) << "^^^^^^^^^^^ begin_frame \n"; DBG_E
+
+  GraphicsStateGuardian::begin_frame();
+
   if (_lru)
   {
     _lru -> begin_frame ( );
   }
 
-  return GraphicsStateGuardian::begin_frame();
+  HRESULT hr = _d3d_device->BeginScene();
+
+  if (FAILED(hr)) {
+    if (hr == D3DERR_DEVICELOST) {
+      if (dxgsg9_cat.is_debug()) {
+        dxgsg9_cat.debug()
+          << "BeginScene returns D3DERR_DEVICELOST" << endl;
+      }
+
+      check_cooperative_level();
+
+    } else {
+      dxgsg9_cat.error()
+        << "BeginScene failed, unhandled error hr == "
+        << D3DERRORSTRING(hr) << endl;
+      throw_event("panda3d-render-error");
+    }
+    return false;
+  }
+
+  return true;
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -730,6 +768,9 @@ begin_scene() {
     return false;
   }
 
+DBG_S dxgsg9_cat.error ( ) << "DXGraphicsStateGuardian9::begin_scene\n"; DBG_E
+
+/*
   HRESULT hr = _d3d_device->BeginScene();
 
   if (FAILED(hr)) {
@@ -749,6 +790,7 @@ begin_scene() {
     }
     return false;
   }
+*/
 
   return true;
 }
@@ -764,6 +806,10 @@ begin_scene() {
 ////////////////////////////////////////////////////////////////////
 void DXGraphicsStateGuardian9::
 end_scene() {
+
+DBG_S dxgsg9_cat.error ( ) << "DXGraphicsStateGuardian9::end_scene\n"; DBG_E
+
+/*
   HRESULT hr = _d3d_device->EndScene();
 
   if (FAILED(hr)) {
@@ -781,6 +827,8 @@ end_scene() {
     }
     return;
   }
+*/
+
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -793,6 +841,26 @@ end_scene() {
 void DXGraphicsStateGuardian9::
 end_frame() {
 
+DBG_S dxgsg9_cat.error ( ) << "@@@@@@@@@@ end_frame \n"; DBG_E
+
+  HRESULT hr = _d3d_device->EndScene();
+
+  if (FAILED(hr)) {
+    if (hr == D3DERR_DEVICELOST) {
+      if (dxgsg9_cat.is_debug()) {
+        dxgsg9_cat.debug()
+          << "EndScene returns DeviceLost\n";
+      }
+      check_cooperative_level();
+
+    } else {
+      dxgsg9_cat.error()
+        << "EndScene failed, unhandled error hr == " << D3DERRORSTRING(hr);
+      throw_event("panda3d-render-error");
+    }
+    return;
+  }
+
   if (_lru)
   {
     int frames;
@@ -3906,6 +3974,9 @@ show_frame() {
     return;
   }
 
+DBG_S dxgsg9_cat.error ( ) << "- - - - - DXGraphicsStateGuardian9::show_frame\n"; DBG_E
+
+
   HRESULT hr;
 
   if (_swap_chain) {

panda/src/dxgsg9/wdxGraphicsBuffer9.cxx

@@ -23,17 +23,12 @@
 
 
 // ISSUES:
-  // size issues
-    // texture size must not exeeed the original frame buffer width
-    // or height due to the size of the original depth/stencil buffer
-  // render to texure format
-    // can be specified via the DXGraphicsStateGuardian9 member
-    // _render_to_texture_d3d_format  default = D3DFMT_X8R8G8B8
-
   // should check texture creation with CheckDepthStencilMatch
   // support copy from texture to ram?
     // check D3DCAPS2_DYNAMICTEXTURES
 
+#define DBG_S if (false) {
+#define DBG_E }
 #define FL << "\n" << __FILE__ << " " << __LINE__ << "\n"
 
 TypeHandle wdxGraphicsBuffer9::_type_handle;
@@ -71,6 +66,7 @@ wdxGraphicsBuffer9(GraphicsPipe *pipe, GraphicsStateGuardian *gsg,
 ////////////////////////////////////////////////////////////////////
 wdxGraphicsBuffer9::
 ~wdxGraphicsBuffer9() {
+  this -> close_buffer ( );
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -88,6 +84,8 @@ begin_frame() {
     return false;
   }
 
+DBG_S dxgsg9_cat.error ( ) << "wdxGraphicsBuffer9::begin_frame\n"; DBG_E
+
   DXGraphicsStateGuardian9 *dxgsg;
   DCAST_INTO_R(dxgsg, _gsg, false);
 
@@ -118,6 +116,8 @@ begin_render_texture() {
     state = false;
     render_target_index = 0;
 
+DBG_S dxgsg9_cat.error ( ) << "wdxGraphicsBuffer9::begin_render_texture\n"; DBG_E
+
     if (dxgsg -> _d3d_device) {
       Texture *tex = get_texture(0);
       tex->set_render_to_texture(true);
@@ -166,6 +166,13 @@ begin_render_texture() {
                 hr = dxgsg -> _d3d_device -> SetDepthStencilSurface (this -> _new_z_stencil_surface);
                 if (SUCCEEDED (hr)) {
 
+                } else {
+                  dxgsg9_cat.error ( ) << "SetDepthStencilSurface " << D3DERRORSTRING(hr) FL;
+                }
+              } else {
+                hr = dxgsg -> _d3d_device -> SetDepthStencilSurface (_z_stencil_buffer);
+                if (SUCCEEDED (hr)) {
+
                 } else {
                   dxgsg9_cat.error ( ) << "SetDepthStencilSurface " << D3DERRORSTRING(hr) FL;
                 }
@@ -194,13 +201,15 @@ begin_render_texture() {
 void wdxGraphicsBuffer9::
 end_render_texture() {
 
-    if (_gsg != (GraphicsStateGuardian *)NULL) {
+DBG_S dxgsg9_cat.error ( ) << "wdxGraphicsBuffer9::end_render_texture\n"; DBG_E
+
+  if (_gsg != (GraphicsStateGuardian *)NULL) {
 
-      DXGraphicsStateGuardian9 *dxgsg;
-      DCAST_INTO_V(dxgsg, _gsg);
+    DXGraphicsStateGuardian9 *dxgsg;
+    DCAST_INTO_V(dxgsg, _gsg);
 
-      if (dxgsg -> _d3d_device) {
-      // restore render context
+    if (dxgsg -> _d3d_device) {
+    // restore render context
       HRESULT hr;
       int render_target_index;
 
@@ -276,17 +285,26 @@ select_cube_map(int cube_map_index) {
           hr = direct_3d_cube_texture -> GetCubeMapSurface (
             (D3DCUBEMAP_FACES) _cube_map_index, mipmap_level, &_direct_3d_surface);
           if (SUCCEEDED (hr)) {
-            hr = dxgsg -> _d3d_device -> SetRenderTarget (render_target_index,
-              _direct_3d_surface);
+            hr = dxgsg -> _d3d_device -> SetRenderTarget (render_target_index, _direct_3d_surface);
             if (SUCCEEDED (hr)) {
               if (this -> _new_z_stencil_surface) {
-                hr = dxgsg -> _d3d_device -> SetDepthStencilSurface (this -> _new_z_stencil_surface);
+                hr = dxgsg -> _d3d_device -> SetDepthStencilSurface (_new_z_stencil_surface);
+                if (SUCCEEDED (hr)) {
+
+                } else {
+                  dxgsg9_cat.error ( ) << "SetDepthStencilSurface " << D3DERRORSTRING(hr) FL;
+                }
+              } else {
+                hr = dxgsg -> _d3d_device -> SetDepthStencilSurface (_z_stencil_buffer);
                 if (SUCCEEDED (hr)) {
 
                 } else {
                   dxgsg9_cat.error ( ) << "SetDepthStencilSurface " << D3DERRORSTRING(hr) FL;
                 }
               }
+
+DBG_S dxgsg9_cat.error ( ) << "select_cube_map " << _cube_map_index << "\n";  DBG_E
+
             } else {
               dxgsg9_cat.error ( ) << "SetRenderTarget " << D3DERRORSTRING(hr) FL;
             }
@@ -294,7 +312,6 @@ select_cube_map(int cube_map_index) {
             dxgsg9_cat.error ( ) << "GetCubeMapSurface " << D3DERRORSTRING(hr) FL;
           }
         } else {
-          // error: invalid cube map face index
           dxgsg9_cat.error ( ) << "Invalid Cube Map Face Index " << _cube_map_index FL;
         }
       }
@@ -317,6 +334,8 @@ make_current() {
   DCAST_INTO_V(dxgsg, _gsg);
 
   // do nothing here
+DBG_S dxgsg9_cat.error ( ) << "wdxGraphicsBuffer9::make_current\n"; DBG_E
+
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -420,64 +439,74 @@ open_buffer() {
 
   Texture *tex = get_texture(tex_index);
 
-  // SET render to texture
+  // render to texture must be set
   tex->set_render_to_texture(true);
 
   TextureContext *tc = tex->prepare_now(_gsg->get_prepared_objects(), _gsg);
   if (tc != NULL) {
+    HRESULT hr;
+    IDirect3DSurface9 *_depth_stencil_surface;
+
     _dx_texture_context9 = DCAST (DXTextureContext9, tc);
 
-// ***** CREATE A DEPTH STENCIL BUFFER IF NEEDED
+    // create a depth stencil buffer if needed
+    hr = dxgsg -> _d3d_device -> GetDepthStencilSurface (&_depth_stencil_surface);
+    if (SUCCEEDED  (hr))
+    {
+      D3DSURFACE_DESC surface_description;
 
-HRESULT hr;
-IDirect3DSurface9 *_depth_stencil_surface;
+      // get and copy the current depth stencil's parameters for the new buffer
+      hr = _depth_stencil_surface -> GetDesc (&surface_description);
+      if (SUCCEEDED  (hr)) {
+        UINT width;
+        UINT height;
+        D3DFORMAT format;
+        D3DMULTISAMPLE_TYPE multisample_type;
+        DWORD multisample_quality;
+        BOOL discard;
 
-hr = dxgsg -> _d3d_device -> GetDepthStencilSurface (&_depth_stencil_surface);
-if (SUCCEEDED  (hr))
-{
-  D3DSURFACE_DESC surface_description;
-
-  hr = _depth_stencil_surface -> GetDesc (&surface_description);
-  if (SUCCEEDED  (hr))
-  {
-    UINT width;
-    UINT height;
-    D3DFORMAT format;
-    D3DMULTISAMPLE_TYPE multisample_type;
-    DWORD multisample_quality;
-    BOOL discard;
-
-    width = tex -> get_x_size ( );
-    height = tex -> get_y_size ( );
-    format = surface_description.Format;
-    multisample_type = surface_description.MultiSampleType;
-    multisample_quality = surface_description.MultiSampleQuality;
-    discard = true;
-
-    hr = dxgsg -> _d3d_device -> CreateDepthStencilSurface (
-      width, height, format, multisample_type, multisample_quality,
-      discard, &this -> _new_z_stencil_surface, NULL);
-    if (SUCCEEDED  (hr)) {
-
-    } else {
-      dxgsg9_cat.error ( ) << "GetDesc " << D3DERRORSTRING(hr) FL;
-    }
-  }
-  else
-  {
-    dxgsg9_cat.error ( ) << "GetDepthStencilSurface " << D3DERRORSTRING(hr) FL;
-  }
+        width = tex -> get_x_size ( );
+        height = tex -> get_y_size ( );
 
-  _depth_stencil_surface -> Release ( );
-}
-else
-{
-  dxgsg9_cat.error ( ) << "GetDepthStencilSurface " << D3DERRORSTRING(hr) FL;
-}
+DBG_S dxgsg9_cat.error ( ) << "-------------RTT SIZE " << "t width " << width << " t height " << height FL; DBG_E
 
-    {
+        if (surface_description.Width < width || surface_description.Height < height) {
+          format = surface_description.Format;
+          multisample_type = surface_description.MultiSampleType;
+          multisample_quality = surface_description.MultiSampleQuality;
+          discard = false;
+
+          hr = dxgsg -> _d3d_device -> CreateDepthStencilSurface (
+            width, height, format, multisample_type, multisample_quality,
+            discard, &this -> _new_z_stencil_surface, NULL);
+          if (SUCCEEDED  (hr)) {
+
+DBG_S dxgsg9_cat.error ( ) << "-------------OK CreatedDepthStencilSurface " << D3DERRORSTRING(hr) FL; DBG_E
+
+            state = true;
+
+          } else {
+            dxgsg9_cat.error ( ) << "CreateDepthStencilSurface " << D3DERRORSTRING(hr) FL;
+          }
+        }
+        else {
+          // no need to create a separate depth stencil buffer since
+          // the current depth stencil buffer size is big enough
+          state = true;
+        }
+      }
+      else {
+        dxgsg9_cat.error ( ) << "GetDesc " << D3DERRORSTRING(hr) FL;
+      }
+
+      _depth_stencil_surface -> Release ( );
+    }
+    else {
+      dxgsg9_cat.error ( ) << "GetDepthStencilSurface " << D3DERRORSTRING(hr) FL;
+    }
+
+    if (state) {
       _is_valid = true;
-      state = true;
     }
   }