X-Git-Url: http://de.git.xonotic.org/?a=blobdiff_plain;f=gl_backend.h;h=edcd19cdd874b28f941a74d048187f2278241e26;hb=ac98bf077bc6ec661e54210d8b3bc8ce687cede2;hp=1752635f6303a408d653855bc48a18efeed1d171;hpb=fedb845e665b669ff11df23ce713842bd89c4ec4;p=xonotic%2Fdarkplaces.git diff --git a/gl_backend.h b/gl_backend.h index 1752635f..edcd19cd 100644 --- a/gl_backend.h +++ b/gl_backend.h @@ -4,63 +4,120 @@ #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_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 wantoverbright; + //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 + 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]; } 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 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; -extern int mesh_maxtris; // 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); -// 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); +// 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); + +// 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); +void R_Mesh_Draw(int numverts, int numtriangles, const int *elements); + +// 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 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); + #endif