X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=gl_backend.h;h=0082501c2c8989848fdc01c95253628128983a03;hp=bde446bb56ac0e98369589354e9343f3f9a8891c;hb=08dc528c1e2e6c2b1891c12dbc69ec985387a232;hpb=d7df76f224c0d0ebb8a3c7bc0c3125ba638206e6

diff --git a/gl_backend.h b/gl_backend.h
index bde446bb..0082501c 100644
--- a/gl_backend.h
+++ b/gl_backend.h
@@ -1,7 +1,7 @@
 
-#define MAX_TEXTUREUNITS 4
+#define MAX_TEXTUREUNITS 8
 
-extern int c_meshtris;
+extern int c_meshtris, c_meshs, c_transtris, c_transmeshs;
 
 typedef struct
 {
@@ -17,8 +17,7 @@ typedef struct
 	int vertexstep;
 	float *color;
 	int colorstep;
-	// if color is NULL, these are used for all vertices
-	float cr, cg, cb, ca;
+	float cr, cg, cb, ca; // if color is NULL, these are used for all vertices
 	int tex[MAX_TEXTUREUNITS];
 	float *texcoords[MAX_TEXTUREUNITS];
 	int texcoordstep[MAX_TEXTUREUNITS];
@@ -26,17 +25,70 @@ typedef struct
 }
 rmeshinfo_t;
 
+typedef struct
+{
+	//input to R_Mesh_Draw_GetBuffer
+	int transparent;
+	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 numverts;
+	int tex[MAX_TEXTUREUNITS];
+	float texrgbscale[MAX_TEXTUREUNITS]; // used only if COMBINE is present
+
+	// output
+	int *index;
+	float *vertex;
+	float *color;
+	float colorscale;
+	float *texcoords[MAX_TEXTUREUNITS];
+}
+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);
-// ease-of-use frontend to R_Mesh_Draw for particles, no speed gain
-void R_Mesh_DrawParticle(vec3_t org, vec3_t right, vec3_t up, vec_t scale, int texnum, float cr, float cg, float cb, float ca, float s1, float t1, float s2, float t2, float fs1, float ft1, float fs2, float ft2);
\ No newline at end of file
+
+// 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
+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);