X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=gl_backend.h;h=199e064a5bb62c19136ed6571ddaedf9bab42d8b;hp=075d2bdf94f907660305eacc03819f19647e5c1e;hb=28620abb9561ae4dfd3626c69912af0aa2e941df;hpb=98784e552392f849545b1aa7d88c869e116642b6 diff --git a/gl_backend.h b/gl_backend.h index 075d2bdf..199e064a 100644 --- a/gl_backend.h +++ b/gl_backend.h @@ -4,61 +4,113 @@ #define MAX_TEXTUREUNITS 8 -extern int c_meshtris, c_meshs; +#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_BlendFunc(int blendfunc1, int blendfunc2); +void GL_DepthMask(int state); +void GL_DepthTest(int state); +void GL_VertexPointer(const float *p); +void GL_ColorPointer(const float *p); +void GL_Color(float cr, float cg, float cb, float ca); +void GL_TransformToScreen(const vec4_t in, vec4_t out); +void GL_LockArrays(int first, int count); +void GL_ActiveTexture(int num); +void GL_ClientActiveTexture(int num); +void GL_Scissor(int x, int y, int width, int height); // AK for DRAWQUEUE_SETCLIP +void GL_ScissorTest(qboolean state); // AK for DRAWQUEUE_(RE)SETCLIP + + +extern cvar_t gl_lockarrays; +extern cvar_t gl_mesh_copyarrays; +extern cvar_t gl_paranoid; +extern cvar_t gl_printcheckerror; + +extern int c_meshelements, c_meshs; + +//input to R_Mesh_State typedef struct { - //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 wantoverbright; + // textures + int tex1d[MAX_TEXTUREUNITS]; int tex[MAX_TEXTUREUNITS]; + int tex3d[MAX_TEXTUREUNITS]; + int texcubemap[MAX_TEXTUREUNITS]; + // texture combine settings int texrgbscale[MAX_TEXTUREUNITS]; // used only if COMBINE is present - matrix4x4_t matrix; // model to world transform matrix + 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 + // pointers + const float *pointer_texcoord[MAX_TEXTUREUNITS]; } rmeshstate_t; -// overbright rendering scale for the current state -extern float mesh_colorscale; -extern int *varray_element; -extern float *varray_vertex; -extern float *varray_color; -extern float *varray_texcoord[MAX_TEXTUREUNITS]; -extern int mesh_maxverts; -extern int mesh_maxtris; +// lightmap overbright scaling +extern int r_lightmapscalebit; // 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); -// sets up the requested state -void R_Mesh_State(const rmeshstate_t *m); +// sets up the requested transform matrix +void R_Mesh_TextureMatrix(int unitnumber, const matrix4x4_t *matrix); -// enlarges geometry buffers if they are too small -#define R_Mesh_ResizeCheck(numverts, numtriangles) if ((numverts) > mesh_maxverts || (numtriangles) > mesh_maxtris) _R_Mesh_ResizeCheck(numverts, numtriangles); -void _R_Mesh_ResizeCheck(int numverts, int numtriangles); +// set up the requested state +void R_Mesh_State_Texture(const rmeshstate_t *m); -// renders the mesh in the varray_* buffers -void R_Mesh_Draw(int numverts, int numtriangles); +// renders a mesh +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); +// saves a section of the rendered frame to a .tga or .jpg file +qboolean SCR_ScreenShot(char *filename, int x, int y, int width, int height, qboolean jpeg); // used by R_Envmap_f and internally in backend, clears the frame void R_ClearScreen(void); // invoke refresh of frame -void SCR_UpdateScreen (void); +void SCR_UpdateScreen(void); + +// public structure +typedef struct rcachearrayrequest_s +{ + // for use by the code that is requesting the array, these are not + // directly used but merely compared to determine if cache items are + // identical + const void *id_pointer1; + const void *id_pointer2; + const void *id_pointer3; + int id_number1; + int id_number2; + int id_number3; + // size of array data + int data_size; + // array data pointer + void *data; +} +rcachearrayrequest_t; + +int R_Mesh_CacheArray(rcachearrayrequest_t *r); + +extern float varray_vertex3f[65536*3]; +extern float varray_color4f[65536*4]; +extern float varray_texcoord2f[4][65536*2]; +extern float varray_texcoord3f[4][65536*3]; +extern float varray_normal3f[65536*3]; +extern int earray_element3i[65536]; #endif