X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=gl_backend.h;h=014884ed57b7deeeb3a83537ac89efa4a70351ab;hp=69287506ca80ae53a984e0a77f9703becc810f9c;hb=837989dcaaf9e9382aad695c216bd07c4b8f3c66;hpb=96409c902b1b9f037427afc141c0de1bc5fdc4a0 diff --git a/gl_backend.h b/gl_backend.h index 69287506..014884ed 100644 --- a/gl_backend.h +++ b/gl_backend.h @@ -2,39 +2,44 @@ #ifndef GL_BACKEND_H #define GL_BACKEND_H -#define MAX_TEXTUREUNITS 8 +// how many texture units to track state on (backendunits/backendimageunits/backendarrayunits are limited to this value) +#define MAX_TEXTUREUNITS 64 #define POLYGONELEMENTS_MAXPOINTS 258 -extern int polygonelements[768]; +extern int polygonelements[(POLYGONELEMENTS_MAXPOINTS-2)*3]; +#define QUADELEMENTS_MAXQUADS 128 +extern int quadelements[QUADELEMENTS_MAXQUADS*6]; 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_Orientation_FromEntity(const 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_CullFace(int state); +void GL_AlphaTest(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(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(int state); // AK for DRAWQUEUE_(RE)SETCLIP +void GL_ActiveTexture(unsigned int num); +void GL_ClientActiveTexture(unsigned int num); +void GL_Scissor(int x, int y, int width, int height); +void GL_ScissorTest(int state); void GL_Clear(int mask); +unsigned int GL_Backend_CompileProgram(int vertexstrings_count, const char **vertexstrings_list, int geometrystrings_count, const char **geometrystrings_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; -extern int c_meshelements, c_meshs; - -//input to R_Mesh_State -typedef struct +//input to R_Mesh_TextureState +typedef struct rmeshstate_s { // textures int tex1d[MAX_TEXTUREUNITS]; @@ -51,10 +56,6 @@ typedef struct // 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; @@ -68,56 +69,44 @@ 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); - -// set up the requested state -void R_Mesh_State(const rmeshstate_t *m); +// 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 texture state +void R_Mesh_TextureState(const rmeshstate_t *m); +// set up a blank texture state (faster/easier specialized version of R_Mesh_TextureState) +void R_Mesh_ResetTextureState(void); // renders a mesh -void R_Mesh_Draw(int numverts, int numtriangles, const int *elements); +void R_Mesh_Draw(int firstvertex, int numvertices, int numtriangles, const int *elements); // renders a mesh as lines -void R_Mesh_Draw_ShowTris(int numverts, int numtriangles, const int *elements); +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, qbyte *buffer1, qbyte *buffer2, qbyte *buffer3, int x, int y, int width, int height, qboolean flipx, qboolean flipy, qboolean flipdiagonal, 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); // 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]; +void SCR_UpdateLoadingScreen(qboolean clear); #endif