reenabled loading plaques (and cleaned up that code a lot)

[xonotic/darkplaces.git] / gl_backend.h

diff --git a/gl_backend.h b/gl_backend.h
index 1c0be7bd9786026daecd2b6bdbd1bdd99e73e456..450409ee1998751efc9499eb8926d7fef756e969 100644 (file)
--- a/gl_backend.h
+++ b/gl_backend.h
@@ -1,5 +1,5 @@
 
-#define MAX_TEXTUREUNITS 4
+#define MAX_TEXTUREUNITS 8
 
 extern int c_meshtris, c_meshs, c_transtris, c_transmeshs;
 
@@ -49,18 +49,46 @@ rmeshbufferinfo_t;
 
 // adds console variables and registers the render module (only call from GL_Init)
 void gl_backend_init(void);
-// sets up mesh renderer for the frame
-void R_Mesh_Clear(void);
-// renders queued meshs
+
+// starts mesh rendering for the frame
+void R_Mesh_Start(void);
+
+// ends mesh rendering for the frame
+// (only valid after R_Mesh_Start)
+void R_Mesh_Finish(void);
+
+// clears depth buffer, used for masked sky rendering
+// (only valid between R_Mesh_Start and R_Mesh_Finish)
+void R_Mesh_ClearDepth(void);
+
+// renders current batch of meshs
+// (only valid between R_Mesh_Start and R_Mesh_Finish)
 void R_Mesh_Render(void);
+
 // queues a mesh to be rendered (invokes Render if queue is full)
+// (only valid between R_Mesh_Start and R_Mesh_Finish)
 void R_Mesh_Draw(const rmeshinfo_t *m);
+
 // renders the queued transparent meshs
+// (only valid between R_Mesh_Start and R_Mesh_Finish)
 void R_Mesh_AddTransparent(void);
+
 // ease-of-use frontend to R_Mesh_Draw, set up meshinfo, except for index and numtriangles and numverts, then call this
+// (only valid between R_Mesh_Start and R_Mesh_Finish)
 void R_Mesh_DrawPolygon(rmeshinfo_t *m, int numverts);
+
 // same as normal, except for harsh format restrictions (vertex must be 4 float, color must be 4 float, texcoord must be 2 float, flat color not supported)
+// (only valid between R_Mesh_Start and R_Mesh_Finish)
 void R_Mesh_Draw_NativeOnly(const rmeshinfo_t *m);
+
 // allocates space in geometry buffers, and fills in pointers to the buffers in passsed struct
 // (this is used for very high speed rendering, no copying)
+// (only valid between R_Mesh_Start and R_Mesh_Finish)
 int R_Mesh_Draw_GetBuffer(rmeshbufferinfo_t *m);
+
+// saves a section of the rendered frame to a .tga file
+void SCR_ScreenShot(char *filename, int x, int y, int width, int height);
+// used by R_Envmap_f and internally in backend, clears the frame
+void R_ClearScreen(void);
+// invoke refresh of frame
+void SCR_UpdateScreen (void);