X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=gl_backend.h;h=198e17f8d1b929ad15786d6f10032c4bff9f7485;hp=1752635f6303a408d653855bc48a18efeed1d171;hb=6824d8ddc8a43cae0609be5bbe8bee01fa1a4225;hpb=fedb845e665b669ff11df23ce713842bd89c4ec4 diff --git a/gl_backend.h b/gl_backend.h index 1752635f..198e17f8 100644 --- a/gl_backend.h +++ b/gl_backend.h @@ -2,65 +2,140 @@ #ifndef GL_BACKEND_H #define GL_BACKEND_H -#define MAX_TEXTUREUNITS 8 - -extern int c_meshtris, c_meshs; - -typedef struct +#define MAX_TEXTUREUNITS 16 + +#define POLYGONELEMENTS_MAXPOINTS 258 +extern int polygonelements[768]; + +void GL_SetupView_Orientation_Identity(void); +void GL_SetupView_Orientation_FromEntity(matrix4x4_t *matrix); +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_ColorMask(int r, int g, int b, int a); +void GL_Color(float cr, float cg, float cb, float ca); +void GL_ShowTrisColor(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(unsigned int num); +void GL_ClientActiveTexture(unsigned int num); +void GL_Scissor(int x, int y, int width, int height); // AK for DRAWQUEUE_SETCLIP +void GL_ScissorTest(int state); // AK for DRAWQUEUE_(RE)SETCLIP +void GL_Clear(int mask); + +unsigned int GL_Backend_CompileProgram(int vertexstrings_count, const char **vertexstrings_list, int fragmentstrings_count, const char **fragmentstrings_list); +void GL_Backend_FreeProgram(unsigned int prog); + +extern cvar_t gl_lockarrays; +extern cvar_t gl_mesh_copyarrays; +extern cvar_t gl_paranoid; +extern cvar_t gl_printcheckerror; + +//input to R_Mesh_State +typedef struct rmeshstate_s { - //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 + 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 + // matrices + matrix4x4_t texmatrix[MAX_TEXTUREUNITS]; + // pointers + const float *pointer_texcoord[MAX_TEXTUREUNITS]; // 2D + const float *pointer_texcoord3f[MAX_TEXTUREUNITS]; // 3D + + // other state set by this + const float *pointer_vertex; + const float *pointer_color; } 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; - // 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 +// sets up the requested vertex transform matrix void R_Mesh_Matrix(const matrix4x4_t *matrix); - -// sets up the requested state +// sets the vertex array pointer +void R_Mesh_VertexPointer(const float *vertex3f); +// sets the color array pointer (GL_Color only works when this is NULL) +void R_Mesh_ColorPointer(const float *color4f); +// sets the texcoord array pointer for an array unit +void R_Mesh_TexCoordPointer(unsigned int unitnum, unsigned int numcomponents, const float *texcoord); +// sets all textures bound to an image unit (multiple can be non-zero at once, according to OpenGL rules the highest one overrides the others) +void R_Mesh_TexBindAll(unsigned int unitnum, int tex1d, int tex2d, int tex3d, int texcubemap); +// sets these are like TexBindAll with only one of the texture indices non-zero +// (binds one texture type and unbinds all other types) +void R_Mesh_TexBind1D(unsigned int unitnum, int texnum); +void R_Mesh_TexBind(unsigned int unitnum, int texnum); +void R_Mesh_TexBind3D(unsigned int unitnum, int texnum); +void R_Mesh_TexBindCubeMap(unsigned int unitnum, int texnum); +// sets the texcoord matrix for a texenv unit +void R_Mesh_TexMatrix(unsigned int unitnum, const matrix4x4_t *matrix); +// sets the combine state for a texenv unit +void R_Mesh_TexCombine(unsigned int unitnum, int combinergb, int combinealpha, int rgbscale, int alphascale); +// set up the requested entire rendering 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); +// renders a mesh +void R_Mesh_Draw(int firstvertex, int numvertices, int numtriangles, const int *elements); +// renders a mesh as lines +void R_Mesh_Draw_ShowTris(int firstvertex, int numvertices, int numtriangles, const int *elements); -// renders the mesh in the varray_* buffers -void R_Mesh_Draw(int numverts, int numtriangles); - -// 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, unsigned char *buffer1, unsigned char *buffer2, unsigned char *buffer3, int x, int y, int width, int height, qboolean flipx, qboolean flipy, qboolean flipdiagonal, qboolean jpeg, qboolean gammacorrect); // 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); +// invoke refresh of loading plaque (nothing else seen) +void SCR_UpdateLoadingScreen(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_svector3f[65536*3]; +extern float varray_tvector3f[65536*3]; +extern float varray_normal3f[65536*3]; +extern float varray_color4f[65536*4]; +extern float varray_texcoord2f[4][65536*2]; +extern float varray_texcoord3f[4][65536*3]; +extern int earray_element3i[65536]; +extern float varray_vertex3f2[65536*3]; #endif