X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=gl_backend.h;h=60f5042ae929ca20faf29cb7940c3d67b491ad3a;hp=eac1e6d7a6237baf5bfc8965f7e794c351cf68df;hb=10bb1f0433fe2be39b0c9cdc23b30544020351c2;hpb=dbce962f09403fd5888d0bd858ceefc90bc3ea2b diff --git a/gl_backend.h b/gl_backend.h index eac1e6d7..60f5042a 100644 --- a/gl_backend.h +++ b/gl_backend.h @@ -4,56 +4,95 @@ #define MAX_TEXTUREUNITS 8 -extern int c_meshtris, c_meshs, c_transtris, c_transmeshs; +#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); +void GL_LockArrays(int first, int count); + +extern cvar_t gl_lockarrays; +extern cvar_t gl_mesh_copyarrays; + +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 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 - matrix4x4_t matrix; // model to world transform matrix - - // 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 + int pointervertexcount; + float *pointer_vertex; + float *pointer_color; + float *pointer_texcoord[MAX_TEXTUREUNITS]; } -rmeshbufferinfo_t; +rmeshstate_t; + +// overbright rendering scale for the current state +extern int r_lightmapscalebit; +extern float r_colorscale; +extern float *varray_vertex3f; +extern float *varray_color4f; +extern float *varray_texcoord3f[MAX_TEXTUREUNITS]; +extern float *varray_texcoord2f[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); + +// 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); -// renders current batch of meshs -// (only valid between R_Mesh_Start and R_Mesh_Finish) -void R_Mesh_Render(void); +// forcefully ends a batch (do this before calling any gl functions directly) +void R_Mesh_EndBatch(void); +// prepares varray_* buffers for rendering a mesh +void R_Mesh_GetSpace(int numverts); +// renders the mesh in the varray_* buffers +void R_Mesh_Draw(int numverts, int numtriangles, const int *elements); -// allocates space in geometry buffers, and fills in pointers to the buffers in passsed struct -// (it is up to the caller to fill in the geometry data) -// (make sure you scale your colors by the colorscale field) -// (only valid between R_Mesh_Start and R_Mesh_Finish) -int R_Mesh_Draw_GetBuffer(rmeshbufferinfo_t *m, int wantoverbright); +// copies a vertex3f array into varray_vertex3f +void R_Mesh_CopyVertex3f(const float *vertex3f, int numverts); +// copies a texcoord2f array into varray_texcoord[tmu] +void R_Mesh_CopyTexCoord2f(int tmu, const float *texcoord2f, int numverts); +// copies a color4f array into varray_color4f +void R_Mesh_CopyColor4f(const float *color4f, int numverts); -// 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