X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=gl_backend.h;h=143b0f248b614c1f72d7df646cb91add00006f3d;hb=60e5c8608f0086198e5308b93e8851c041bd7e13;hp=6363c5478f6e896fe5a90e063bcc72a8995ca0b7;hpb=859321ff938fe9ba4c653edc794732c983582a6f;p=xonotic%2Fdarkplaces.git

diff --git a/gl_backend.h b/gl_backend.h
index 6363c547..143b0f24 100644
--- a/gl_backend.h
+++ b/gl_backend.h
@@ -1,42 +1,88 @@
 
-#define MAX_TEXTUREUNITS 4
+#ifndef GL_BACKEND_H
+#define GL_BACKEND_H
 
-extern int c_meshtris, c_meshs, c_transtris, c_transmeshs;
+#define MAX_TEXTUREUNITS 8
 
+#define POLYGONELEMENTS_MAXPOINTS 258
+extern int polygonelements[768];
+
+void GL_SetupView_ViewPort (int x, int y, int width, int height);
+void GL_SetupView_Orientation_Identity (void);
+void GL_SetupView_Orientation_FromEntity (vec3_t origin, vec3_t angles);
+void GL_SetupView_Mode_Perspective (double fovx, double fovy, double zNear, double zFar);
+void GL_SetupView_Mode_PerspectiveInfiniteFarClip (double fovx, double fovy, double zNear);
+void GL_SetupView_Mode_Ortho (double x1, double y1, double x2, double y2, double zNear, double zFar);
+void GL_UseColorArray(void);
+void GL_Color(float cr, float cg, float cb, float ca);
+void GL_TransformToScreen(const vec4_t in, vec4_t out);
+
+extern cvar_t gl_lockarrays;
+
+extern int c_meshelements, c_meshs;
+
+//input to R_Mesh_State
 typedef struct
 {
-	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 *index;
-	int numverts;
-	float *vertex;
-	int vertexstep;
-	float *color;
-	int colorstep;
-	// if color is NULL, these are used for all vertices
-	float cr, cg, cb, ca;
+	//int wantoverbright;
+	int tex1d[MAX_TEXTUREUNITS];
 	int tex[MAX_TEXTUREUNITS];
-	float *texcoords[MAX_TEXTUREUNITS];
-	int texcoordstep[MAX_TEXTUREUNITS];
-	float texrgbscale[MAX_TEXTUREUNITS]; // used only if COMBINE is present
+	int tex3d[MAX_TEXTUREUNITS];
+	int texcubemap[MAX_TEXTUREUNITS];
+	int texrgbscale[MAX_TEXTUREUNITS]; // used only if COMBINE is present
+	int texalphascale[MAX_TEXTUREUNITS]; // used only if COMBINE is present
+	int texcombinergb[MAX_TEXTUREUNITS]; // works with or without combine for some operations
+	int texcombinealpha[MAX_TEXTUREUNITS]; // does nothing without combine
 }
-rmeshinfo_t;
+rmeshstate_t;
+
+// overbright rendering scale for the current state
+extern int r_lightmapscalebit;
+extern float r_colorscale;
+extern float *varray_vertex;
+extern float *varray_color;
+extern float *varray_texcoord[MAX_TEXTUREUNITS];
+extern int mesh_maxverts;
 
 // 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
-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);
-// faster hardwired version of R_Mesh_Draw specifically for decals (has close ties to decal code)
-void R_Mesh_DrawDecal(const rmeshinfo_t *m);
+
+// 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);
+
+// sets up the requested transform matrix
+void R_Mesh_Matrix(const matrix4x4_t *matrix);
+
+// sets up the requested state
+void R_Mesh_State(const rmeshstate_t *m);
+
+// sets up the requested main state
+void R_Mesh_MainState(const rmeshstate_t *m);
+
+// sets up the requested texture state
+void R_Mesh_TextureState(const rmeshstate_t *m);
+
+// enlarges vertex arrays if they are too small
+#define R_Mesh_ResizeCheck(numverts) if ((numverts) > mesh_maxverts) _R_Mesh_ResizeCheck(numverts);
+void _R_Mesh_ResizeCheck(int numverts);
+
+// renders the mesh in the varray_* buffers
+void R_Mesh_Draw(int numverts, int numtriangles, const int *elements);
+
+// 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
+