X-Git-Url: https://de.git.xonotic.org/?a=blobdiff_plain;ds=sidebyside;f=gl_backend.h;h=3cbb69946905f80d1268af65301092309b64de12;hb=19a27ebf7c5ce9f50a72f233e5016dd596b90979;hp=004e7f43dab88db20e24edfeb4353e2bd05fe6e3;hpb=ebe607a843d55d9cfb48f6b1859f7c54a48e4b38;p=xonotic%2Fdarkplaces.git

diff --git a/gl_backend.h b/gl_backend.h
index 004e7f43..3cbb6994 100644
--- a/gl_backend.h
+++ b/gl_backend.h
@@ -1,45 +1,64 @@
 
-#define MAX_TEXTUREUNITS 4
+#ifndef GL_BACKEND_H
+#define GL_BACKEND_H
+
+#define MAX_TEXTUREUNITS 8
 
 extern int c_meshtris, c_meshs, c_transtris, c_transmeshs;
 
 typedef struct
 {
-	int transparent;
+	//input to R_Mesh_Draw_GetBuffer
 	int depthwrite; // force depth writing enabled even if polygon is not opaque
 	int depthdisable; // disable depth read/write entirely
 	int blendfunc1;
 	int blendfunc2;
 	int numtriangles;
-	int *index;
-	int indexbase; // adjustment to add to the index values
 	int numverts;
+	int tex[MAX_TEXTUREUNITS];
+	int texrgbscale[MAX_TEXTUREUNITS]; // used only if COMBINE is present
+	// model to world transform matrix
+	matrix4x4_t matrix;
+
+	// output
+	int *index;
 	float *vertex;
-	int vertexstep;
 	float *color;
-	int colorstep;
-	// if color is NULL, these are used for all vertices
-	float cr, cg, cb, ca;
-	int tex[MAX_TEXTUREUNITS];
+	float colorscale;
 	float *texcoords[MAX_TEXTUREUNITS];
-	int texcoordstep[MAX_TEXTUREUNITS];
-	float texrgbscale[MAX_TEXTUREUNITS]; // used only if COMBINE is present
 }
-rmeshinfo_t;
+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(float farclip);
+
+// 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)
-void R_Mesh_Draw(const rmeshinfo_t *m);
-// renders the queued transparent meshs
-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
-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)
-void R_Mesh_Draw_NativeOnly(const rmeshinfo_t *m);
-// faster hardwired version of R_Mesh_Draw specifically for decals (has close ties to decal code)
-//void R_Mesh_DrawDecal(const rmeshinfo_t *m);
+
+// allocates space in geometry buffers, and fills in pointers to the buffers in passsed struct
+// (it is up to the caller to fill in the geometry data)
+// (make sure you scale your colors by the colorscale field)
+// (only valid between R_Mesh_Start and R_Mesh_Finish)
+int R_Mesh_Draw_GetBuffer(rmeshbufferinfo_t *m, int wantoverbright);
+
+// saves a section of the rendered frame to a .tga file
+qboolean 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);
+
+#endif
+