dxgsg to pgraph

panda/src/display/graphicsEngine.cxx

@@ -263,9 +263,11 @@ setup_scene(const qpNodePath &camera, GraphicsStateGuardian *gsg) {
   }
 
   scene_setup->set_scene_root(scene_root);
-  scene_setup->set_camera(camera_node);
+  scene_setup->set_camera_path(camera);
+  scene_setup->set_camera_node(camera_node);
   scene_setup->set_lens(lens);
   scene_setup->set_camera_transform(camera_transform);
+  scene_setup->set_world_transform(world_transform);
   scene_setup->set_render_transform(render_transform);
 
   return scene_setup;
@@ -286,7 +288,7 @@ do_cull(CullHandler *cull_handler, SceneSetup *scene_setup,
   trav.set_cull_handler(cull_handler);
   trav.set_depth_offset_decals(gsg->depth_offset_decals());
   trav.set_scene(scene_setup);
-  trav.set_camera_mask(scene_setup->get_camera()->get_camera_mask());
+  trav.set_camera_mask(scene_setup->get_camera_node()->get_camera_mask());
 
   if (qpview_frustum_cull) {
     // If we're to be performing view-frustum culling, determine the

panda/src/display/graphicsStateGuardian.cxx

@@ -158,7 +158,7 @@ reset() {
   _transparency_mode = TransparencyAttrib::M_none;
 
   _has_scene_graph_color = false;
-  _issued_color_stale = false;
+  _scene_graph_color_stale = false;
   _vertex_colors_enabled = true;
   _lighting_enabled = false;
 
@@ -1120,7 +1120,7 @@ issue_color_scale(const ColorScaleAttrib *attrib) {
     _alpha_transform_enabled = true;
   }
 
-  _issued_color_stale = _has_scene_graph_color;
+  _scene_graph_color_stale = _has_scene_graph_color;
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -1145,14 +1145,14 @@ issue_color(const ColorAttrib *attrib) {
     _scene_graph_color = attrib->get_color();
     _has_scene_graph_color = true;
     _vertex_colors_enabled = false;
-    _issued_color_stale = true;
+    _scene_graph_color_stale = true;
     break;
 
   case ColorAttrib::T_off:
     // Color attribute off: it specifies that no scene graph color is
     // in effect, and vertex color is not important either.
     _has_scene_graph_color = false;
-    _issued_color_stale = false;
+    _scene_graph_color_stale = false;
     _vertex_colors_enabled = false;
     break;
 
@@ -1160,7 +1160,7 @@ issue_color(const ColorAttrib *attrib) {
     // Color attribute vertex: it specifies that vertex color should
     // be revealed.
     _has_scene_graph_color = false;
-    _issued_color_stale = false;
+    _scene_graph_color_stale = false;
     _vertex_colors_enabled = true;
     break;
   }

panda/src/display/graphicsStateGuardian.h

@@ -296,7 +296,7 @@ protected:
 
   Colorf _scene_graph_color;
   bool _has_scene_graph_color;
-  bool _issued_color_stale;
+  bool _scene_graph_color_stale;
   bool _vertex_colors_enabled;
   bool _lighting_enabled;
 

panda/src/dxgsg/config_dxgsg.cxx

@@ -80,6 +80,11 @@ bool dx_use_rangebased_fog = config_dxgsg.GetBool("dx-use-rangebased-fog", false
 bool dx_force_16bpptextures = config_dxgsg.GetBool("dx-force-16bpptextures", false);
 bool dx_no_dithering = config_dxgsg.GetBool("dx-no-dithering", false);
 
+// Configure this true to try to implement decals using a
+// DepthOffsetAttrib, false to do them with the more reliable 3-pass
+// rendering method instead.
+bool dx_depth_offset_decals = config_dxgsg.GetBool("depth-offset-decals", false);
+
 #ifdef _DEBUG
 float dx_global_miplevel_bias = config_dxgsg.GetFloat("dx-global-miplevel-bias", 0.0);
 bool dx_debug_view_mipmaps = config_dxgsg.GetBool("dx-debug-view-mipmaps", false);

panda/src/dxgsg/config_dxgsg.h

@@ -44,6 +44,8 @@ extern bool dx_show_transforms;
 extern bool dx_force_16bpptextures;
 extern bool dx_no_dithering;
 
+extern bool dx_depth_offset_decals;
+
 #ifndef NDEBUG
 extern int dx_force_backface_culling;
 #endif

panda/src/dxgsg/dxGraphicsStateGuardian.h

@@ -20,23 +20,26 @@
 #define DXGRAPHICSSTATEGUARDIAN_H
 
 #include "dxgsgbase.h"
-#include <graphicsStateGuardian.h>
-#include <geomprimitives.h>
-#include <texture.h>
-#include <pixelBuffer.h>
-#include <displayRegion.h>
-#include <material.h>
-#include <textureApplyProperty.h>
-#include <depthTestProperty.h>
-#include <stencilProperty.h>
-#include <fog.h>
-#include <renderModeProperty.h>
-#include <colorMatrixTransition.h>
-#include <alphaTransformTransition.h>
-#include <pointerToArray.h>
-#include <planeNode.h>
+#include "graphicsStateGuardian.h"
+#include "geomprimitives.h"
+#include "texture.h"
+#include "pixelBuffer.h"
+#include "displayRegion.h"
+#include "material.h"
+#include "textureApplyProperty.h"
+#include "depthTestProperty.h"
+#include "depthTestAttrib.h"
+#include "stencilProperty.h"
+#include "fog.h"
+#include "qpfog.h"
+#include "renderModeProperty.h"
+#include "colorMatrixTransition.h"
+#include "alphaTransformTransition.h"
+#include "pointerToArray.h"
+#include "planeNode.h"
 #include "dxGeomNodeContext.h"
 #include "dxTextureContext.h"
+
 #include <vector>
 
 class PlaneNode;
@@ -77,6 +80,7 @@ public:
   virtual void clear(const RenderBuffer &buffer, const DisplayRegion* region);
 
   virtual void prepare_display_region();
+  virtual bool prepare_lens();
 
   virtual void render_frame();
   virtual void render_scene(Node *root, LensNode *projnode);
@@ -129,6 +133,7 @@ public:
 
   virtual void apply_material(const Material *material);
   virtual void apply_fog(Fog *fog);
+  virtual void apply_fog(qpFog *fog);
 
   virtual void issue_transform(const TransformTransition *attrib);
   virtual void issue_tex_matrix(const TexMatrixTransition *attrib);
@@ -151,13 +156,34 @@ public:
   virtual void issue_fog(const FogTransition *attrib);
   virtual void issue_linesmooth(const LinesmoothTransition *attrib);
 
+  virtual void issue_transform(const TransformState *transform);
+  virtual void issue_tex_matrix(const TexMatrixAttrib *attrib);
+  virtual void issue_texture(const TextureAttrib *attrib);
+  virtual void issue_material(const MaterialAttrib *attrib);
+  virtual void issue_render_mode(const RenderModeAttrib *attrib);
+  virtual void issue_texture_apply(const TextureApplyAttrib *attrib);
+  virtual void issue_depth_test(const DepthTestAttrib *attrib);
+  virtual void issue_depth_write(const DepthWriteAttrib *attrib);
+  virtual void issue_cull_face(const CullFaceAttrib *attrib);
+  virtual void issue_fog(const FogAttrib *attrib);
+  virtual void issue_depth_offset(const DepthOffsetAttrib *attrib);
+
+  virtual void bind_light(PointLight *light, int light_id);
+  virtual void bind_light(DirectionalLight *light, int light_id);
+  virtual void bind_light(Spotlight *light, int light_id);
+
+  virtual void begin_frame();
+  virtual void end_frame();
+
   virtual bool wants_normals(void) const;
   virtual bool wants_texcoords(void) const;
-  virtual bool wants_colors(void) const;
 
   virtual void begin_decal(GeomNode *base_geom, AllTransitionsWrapper &attrib);
   virtual void end_decal(GeomNode *base_geom);
 
+  virtual bool depth_offset_decals();
+
+  virtual CoordinateSystem get_internal_coordinate_system() const;
   INLINE float compute_distance_to(const LPoint3f &point) const;
   virtual void set_color_clear_value(const Colorf& value);
 
@@ -172,8 +198,13 @@ public:
 
 protected:
   virtual void enable_lighting(bool enable);
+  virtual void set_ambient_light(const Colorf &color);
   virtual void enable_light(int light_id, bool enable);
 
+  virtual void set_blend_mode(ColorWriteAttrib::Mode color_write_mode,
+                              ColorBlendAttrib::Mode color_blend_mode,
+                              TransparencyAttrib::Mode transparency_mode);
+
   void free_pointers();            // free local internal buffers
   void free_dxgsg_objects(void);   // free the DirectX objects we create
   virtual PT(SavedFrameBuffer) save_frame_buffer(const RenderBuffer &buffer,
@@ -224,7 +255,9 @@ protected:
 
   INLINE D3DTEXTUREADDRESS get_texture_wrap_mode(Texture::WrapMode wm) const;
   INLINE D3DCMPFUNC get_depth_func_type(DepthTestProperty::Mode m) const;
+  INLINE D3DCMPFUNC get_depth_func_type(DepthTestAttrib::Mode m) const;
   INLINE D3DFOGMODE get_fog_mode_type(Fog::Mode m) const;
+  INLINE D3DFOGMODE get_fog_mode_type(qpFog::Mode m) const;
 
   INLINE D3DCMPFUNC get_stencil_func_type(StencilProperty::Mode m) const;
   INLINE D3DSTENCILOP get_stencil_action_type(StencilProperty::Action a) const;
@@ -254,10 +287,7 @@ protected:
   DWORD     _curFVFflags;
   DWORD     _perPrim,_perVertex,_perComp;   //  these hold DrawLoopFlags bitmask values
 
-  bool  _issued_color_enabled;      // WBD ADDED
-  bool  _enable_all_color;
-  Colorf _issued_color;           // WBD ADDED
-  D3DCOLOR _issued_color_D3DCOLOR;           // WBD ADDED
+  D3DCOLOR _scene_graph_color_D3DCOLOR;
   D3DCOLOR _d3dcolor_clear_value;
   D3DSHADEMODE _CurShadeMode;
 
@@ -342,12 +372,7 @@ protected:
 
   // Color/Alpha Matrix Transition stuff
   INLINE void transform_color(Colorf &InColor,D3DCOLOR &OutColor);
-  bool _color_transform_required;  // _color_transform_enabled || _alpha_transform_enabled
-  bool _color_transform_enabled;
-  bool _alpha_transform_enabled;
-  LMatrix4f _current_color_mat;
-  float _current_alpha_offset;
-  float _current_alpha_scale;
+
   bool _overlay_windows_supported;
 
   // vars for frames/sec meter

panda/src/glgsg/glGraphicsStateGuardian.I

@@ -1088,9 +1088,9 @@ get_clip_plane_id(int index) const {
 ////////////////////////////////////////////////////////////////////
 INLINE void GLGraphicsStateGuardian::
 issue_scene_graph_color() {
-  if (_issued_color_stale) {
+  if (_scene_graph_color_stale) {
     issue_transformed_color(_scene_graph_color);
-    _issued_color_stale = false;
+    _scene_graph_color_stale = false;
   }
 }
 

panda/src/glgsg/glGraphicsStateGuardian.cxx

@@ -2506,7 +2506,7 @@ issue_color_transform(const ColorMatrixTransition *attrib) {
     _color_transform_enabled = true;
   }
 
-  _issued_color_stale = _has_scene_graph_color;
+  _scene_graph_color_stale = _has_scene_graph_color;
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -2525,7 +2525,7 @@ issue_alpha_transform(const AlphaTransformTransition *attrib) {
     _alpha_transform_enabled = true;
   }
 
-  _issued_color_stale = _has_scene_graph_color;
+  _scene_graph_color_stale = _has_scene_graph_color;
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -2559,21 +2559,21 @@ issue_color(const ColorTransition *attrib) {
       _scene_graph_color = attrib->get_color();
       _has_scene_graph_color = true;
       _vertex_colors_enabled = false;
-      _issued_color_stale = true;
+      _scene_graph_color_stale = true;
 
     } else {
       // The color attribute is "on" but not "real": it specifies that
       // no scene graph color is in effect, but vertex color is not
       // important either.
       _has_scene_graph_color = false;
-      _issued_color_stale = false;
+      _scene_graph_color_stale = false;
       _vertex_colors_enabled = false;
     }
   } else {
     // The color attribute is "off": it specifies that vertex color
     // should be revealed.
     _has_scene_graph_color = false;
-    _issued_color_stale = false;
+    _scene_graph_color_stale = false;
     _vertex_colors_enabled = true;
   }
 }

panda/src/pgraph/sceneSetup.I

@@ -25,6 +25,7 @@
 INLINE SceneSetup::
 SceneSetup() {
   _camera_transform = TransformState::make_identity();
+  _world_transform = TransformState::make_identity();
   _render_transform = TransformState::make_identity();
 }
 
@@ -49,23 +50,43 @@ get_scene_root() const {
 }
 
 ////////////////////////////////////////////////////////////////////
-//     Function: SceneSetup::set_camera
+//     Function: SceneSetup::set_camera_path
+//       Access: Public
+//  Description: Specifies the NodePath to the camera.
+////////////////////////////////////////////////////////////////////
+INLINE void SceneSetup::
+set_camera_path(const qpNodePath &camera_path) {
+  _camera_path = camera_path;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: SceneSetup::get_camera_path
+//       Access: Public
+//  Description: Returns the NodePath to the camera.
+////////////////////////////////////////////////////////////////////
+INLINE const qpNodePath &SceneSetup::
+get_camera_path() const {
+  return _camera_path;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: SceneSetup::set_camera_node
 //       Access: Public
 //  Description: Specifies the camera used to render the scene.
 ////////////////////////////////////////////////////////////////////
 INLINE void SceneSetup::
-set_camera(const qpCamera *camera) {
-  _camera = camera;
+set_camera_node(const qpCamera *camera_node) {
+  _camera_node = camera_node;
 }
 
 ////////////////////////////////////////////////////////////////////
-//     Function: SceneSetup::get_camera
+//     Function: SceneSetup::get_camera_node
 //       Access: Public
 //  Description: Returns the camera used to render the scene.
 ////////////////////////////////////////////////////////////////////
 INLINE const qpCamera *SceneSetup::
-get_camera() const {
-  return _camera;
+get_camera_node() const {
+  return _camera_node;
 }
 
 ////////////////////////////////////////////////////////////////////
@@ -114,12 +135,37 @@ get_camera_transform() const {
   return _camera_transform;
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: SceneSetup::set_world_transform
+//       Access: Public
+//  Description: Specifies the position of the starting node relative
+//               to the camera.  This is the inverse of the camera
+//               transform.
+////////////////////////////////////////////////////////////////////
+INLINE void SceneSetup::
+set_world_transform(const TransformState *world_transform) {
+  _world_transform = world_transform;
+}
+
+////////////////////////////////////////////////////////////////////
+//     Function: SceneSetup::get_world_transform
+//       Access: Public
+//  Description: Returns the position of the starting node relative
+//               to the camera.  This is the inverse of the camera
+//               transform.
+////////////////////////////////////////////////////////////////////
+INLINE const TransformState *SceneSetup::
+get_world_transform() const {
+  return _world_transform;
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: SceneSetup::set_render_transform
 //       Access: Public
 //  Description: Specifies the position of the starting node relative
 //               to the camera, pretransformed as appropriate for
-//               rendering.
+//               rendering.  This is the same as the world transform,
+//               with a possible coordinate-system conversion applied.
 ////////////////////////////////////////////////////////////////////
 INLINE void SceneSetup::
 set_render_transform(const TransformState *render_transform) {
@@ -131,7 +177,8 @@ set_render_transform(const TransformState *render_transform) {
 //       Access: Public
 //  Description: Returns the position of the starting node relative
 //               to the camera, pretransformed as appropriate for
-//               rendering.
+//               rendering.  This is the same as the world transform,
+//               with a possible coordinate-system conversion applied.
 //
 //               Note that this value is always the position of the
 //               starting node, not the current node, even if it is

panda/src/pgraph/sceneSetup.h

@@ -41,8 +41,11 @@ public:
   INLINE void set_scene_root(const qpNodePath &scene_root);
   INLINE const qpNodePath &get_scene_root() const;
 
-  INLINE void set_camera(const qpCamera *camera);
-  INLINE const qpCamera *get_camera() const;
+  INLINE void set_camera_path(const qpNodePath &camera_path);
+  INLINE const qpNodePath &get_camera_path() const;
+
+  INLINE void set_camera_node(const qpCamera *camera_node);
+  INLINE const qpCamera *get_camera_node() const;
 
   INLINE void set_lens(const Lens *lens);
   INLINE const Lens *get_lens() const;
@@ -50,14 +53,19 @@ public:
   INLINE void set_camera_transform(const TransformState *camera_transform);
   INLINE const TransformState *get_camera_transform() const;
 
+  INLINE void set_world_transform(const TransformState *world_transform);
+  INLINE const TransformState *get_world_transform() const;
+
   INLINE void set_render_transform(const TransformState *render_transform);
   INLINE const TransformState *get_render_transform() const;
 
 private:
   qpNodePath _scene_root;
-  CPT(qpCamera) _camera;
+  qpNodePath _camera_path;
+  CPT(qpCamera) _camera_node;
   CPT(Lens) _lens;
   CPT(TransformState) _camera_transform;
+  CPT(TransformState) _world_transform;
   CPT(TransformState) _render_transform;
 };