5 #define MAX_TEXTUREUNITS 8
7 extern int c_meshtris, c_meshs;
11 //input to R_Mesh_Draw_GetBuffer
12 int depthwrite; // force depth writing enabled even if polygon is not opaque
13 int depthdisable; // disable depth read/write entirely
17 int tex[MAX_TEXTUREUNITS];
18 int texrgbscale[MAX_TEXTUREUNITS]; // used only if COMBINE is present
19 matrix4x4_t matrix; // model to world transform matrix
23 // overbright rendering scale for the current state
24 extern float mesh_colorscale;
25 extern int *varray_element;
26 extern float *varray_vertex;
27 extern float *varray_color;
28 extern float *varray_texcoord[MAX_TEXTUREUNITS];
29 extern int mesh_maxverts;
30 extern int mesh_maxtris;
32 // adds console variables and registers the render module (only call from GL_Init)
33 void gl_backend_init(void);
35 // starts mesh rendering for the frame
36 void R_Mesh_Start(float farclip);
38 // ends mesh rendering for the frame
39 // (only valid after R_Mesh_Start)
40 void R_Mesh_Finish(void);
42 // clears depth buffer, used for masked sky rendering
43 // (only valid between R_Mesh_Start and R_Mesh_Finish)
44 void R_Mesh_ClearDepth(void);
46 // sets up the requested state
47 void R_Mesh_State(const rmeshstate_t *m);
49 // enlarges geometry buffers if they are too small
50 #define R_Mesh_ResizeCheck(numverts, numtriangles) if ((numverts) > mesh_maxverts || (numtriangles) > mesh_maxtris) _R_Mesh_ResizeCheck(numverts, numtriangles);
51 void _R_Mesh_ResizeCheck(int numverts, int numtriangles);
53 // renders the mesh in the varray_* buffers
54 void R_Mesh_Draw(int numverts, int numtriangles);
56 // saves a section of the rendered frame to a .tga file
57 qboolean SCR_ScreenShot(char *filename, int x, int y, int width, int height);
58 // used by R_Envmap_f and internally in backend, clears the frame
59 void R_ClearScreen(void);
60 // invoke refresh of frame
61 void SCR_UpdateScreen (void);