X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=gl_backend.h;h=fa7961a90963be31edd94d12a950eaaa796920b0;hp=edcd19cdd874b28f941a74d048187f2278241e26;hb=66ba61eab96c3f91e48a2768238c4096efbdb063;hpb=4596c46213ae652af1b2e4bc6b691076cff2c416 diff --git a/gl_backend.h b/gl_backend.h index edcd19cd..fa7961a9 100644 --- a/gl_backend.h +++ b/gl_backend.h @@ -2,59 +2,63 @@ #ifndef GL_BACKEND_H #define GL_BACKEND_H -#define MAX_TEXTUREUNITS 8 +#define MAX_TEXTUREUNITS 16 #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_SetupView_Orientation_Identity(void); +void GL_SetupView_Orientation_FromEntity(matrix4x4_t *matrix); +void GL_SetupView_Mode_Perspective(double frustumx, double frustumy, double zNear, double zFar); +void GL_SetupView_Mode_PerspectiveInfiniteFarClip(double frustumx, double frustumy, 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 int c_meshelements, c_meshs; +extern cvar_t gl_paranoid; +extern cvar_t gl_printcheckerror; //input to R_Mesh_State -typedef struct +typedef struct rmeshstate_s { - 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 - int pointervertexcount; - float *pointer_vertex; - float *pointer_color; - float *pointer_texcoord[MAX_TEXTUREUNITS]; + // 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 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); @@ -65,38 +69,42 @@ void R_Mesh_Start(void); // (only valid after R_Mesh_Start) void R_Mesh_Finish(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); -// 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, 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); +// 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); // 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); +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 @@ -119,5 +127,15 @@ 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