X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=gl_backend.h;h=143b0f248b614c1f72d7df646cb91add00006f3d;hb=60e5c8608f0086198e5308b93e8851c041bd7e13;hp=01dc10602c7d973bed2e0ec96b97327fc952b278;hpb=45bff1c2dd893d329c86aa043661187b86da6609;p=xonotic%2Fdarkplaces.git diff --git a/gl_backend.h b/gl_backend.h index 01dc1060..143b0f24 100644 --- a/gl_backend.h +++ b/gl_backend.h @@ -4,86 +4,78 @@ #define MAX_TEXTUREUNITS 8 -extern int c_meshtris, c_meshs, c_transtris, c_transmeshs; +#define POLYGONELEMENTS_MAXPOINTS 258 +extern int polygonelements[768]; -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; - 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]; - int texrgbscale[MAX_TEXTUREUNITS]; // used only if COMBINE is present -} -rmeshinfo_t; +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 { - //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 wantoverbright; + int tex1d[MAX_TEXTUREUNITS]; int tex[MAX_TEXTUREUNITS]; + int tex3d[MAX_TEXTUREUNITS]; + int texcubemap[MAX_TEXTUREUNITS]; int texrgbscale[MAX_TEXTUREUNITS]; // used only if COMBINE is present - - // output - int *index; - float *vertex; - float *color; - float colorscale; - float *texcoords[MAX_TEXTUREUNITS]; + 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 } -rmeshbufferinfo_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); // starts mesh rendering for the frame -void R_Mesh_Start(float farclip); +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); +// sets up the requested transform matrix +void R_Mesh_Matrix(const matrix4x4_t *matrix); -// renders current batch of meshs -// (only valid between R_Mesh_Start and R_Mesh_Finish) -void R_Mesh_Render(void); +// sets up the requested state +void R_Mesh_State(const rmeshstate_t *m); -// 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); +// sets up the requested main state +void R_Mesh_MainState(const rmeshstate_t *m); -// renders the queued transparent meshs -// (only valid between R_Mesh_Start and R_Mesh_Finish) -void R_Mesh_AddTransparent(void); +// sets up the requested texture state +void R_Mesh_TextureState(const rmeshstate_t *m); -// 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); +// 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); -// 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, int wantoverbright); +// 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);