/* Copyright (C) 1996-2001 Id Software, Inc. Copyright (C) 2002-2009 John Fitzgibbons and others Copyright (C) 2007-2008 Kristian Duske Copyright (C) 2010-2014 QuakeSpasm developers This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef __GLQUAKE_H #define __GLQUAKE_H void GL_BeginRendering (int *x, int *y, int *width, int *height); void GL_EndRendering (void); void GL_Set2D (void); extern int glx, gly, glwidth, glheight; #define GL_UNUSED_TEXTURE (~(GLuint)0) // r_local.h -- private refresh defs #define ALIAS_BASE_SIZE_RATIO (1.0 / 11.0) // normalizing factor so player model works out to about // 1 pixel per triangle #define MAX_LBM_HEIGHT 480 #define TILE_SIZE 128 // size of textures generated by R_GenTiledSurf #define SKYSHIFT 7 #define SKYSIZE (1 << SKYSHIFT) #define SKYMASK (SKYSIZE - 1) #define BACKFACE_EPSILON 0.01 void R_TimeRefresh_f (void); void R_ReadPointFile_f (void); texture_t *R_TextureAnimation (texture_t *base, int frame); typedef struct surfcache_s { struct surfcache_s *next; struct surfcache_s **owner; // NULL is an empty chunk of memory int lightadj[MAXLIGHTMAPS]; // checked for strobe flush int dlight; int size; // including header unsigned width; unsigned height; // DEBUG only needed for debug float mipscale; struct texture_s *texture; // checked for animating textures byte data[4]; // width*height elements } surfcache_t; typedef struct { pixel_t *surfdat; // destination for generated surface int rowbytes; // destination logical width in bytes msurface_t *surf; // description for surface to generate fixed8_t lightadj[MAXLIGHTMAPS]; // adjust for lightmap levels for dynamic lighting texture_t *texture; // corrected for animating textures int surfmip; // mipmapped ratio of surface texels / world pixels int surfwidth; // in mipmapped texels int surfheight; // in mipmapped texels } drawsurf_t; typedef enum { pt_static, pt_grav, pt_slowgrav, pt_fire, pt_explode, pt_explode2, pt_blob, pt_blob2 } ptype_t; // !!! if this is changed, it must be changed in d_ifacea.h too !!! typedef struct particle_s { // driver-usable fields vec3_t org; float color; // drivers never touch the following fields struct particle_s *next; vec3_t vel; float ramp; float die; ptype_t type; } particle_t; //==================================================== extern qboolean r_cache_thrash; // compatability extern vec3_t modelorg, r_entorigin; extern entity_t *currententity; extern int r_visframecount; // ??? what difs? extern int r_framecount; extern mplane_t frustum[4]; // // view origin // extern vec3_t vup; extern vec3_t vpn; extern vec3_t vright; extern vec3_t r_origin; // // screen size info // extern refdef_t r_refdef; extern mleaf_t *r_viewleaf, *r_oldviewleaf; extern int d_lightstylevalue[256]; // 8.8 fraction of base light value extern cvar_t r_norefresh; extern cvar_t r_drawentities; extern cvar_t r_drawworld; extern cvar_t r_drawviewmodel; extern cvar_t r_speeds; extern cvar_t r_pos; extern cvar_t r_waterwarp; extern cvar_t r_fullbright; extern cvar_t r_lightmap; extern cvar_t r_shadows; extern cvar_t r_wateralpha; extern cvar_t r_lavaalpha; extern cvar_t r_telealpha; extern cvar_t r_slimealpha; extern cvar_t r_dynamic; extern cvar_t r_novis; extern cvar_t gl_clear; extern cvar_t gl_cull; extern cvar_t gl_smoothmodels; extern cvar_t gl_affinemodels; extern cvar_t gl_polyblend; extern cvar_t gl_flashblend; extern cvar_t gl_nocolors; extern cvar_t gl_playermip; extern cvar_t gl_subdivide_size; extern float load_subdivide_size; //johnfitz -- remember what subdivide_size value was when this map was loaded extern int gl_stencilbits; // Multitexture extern qboolean mtexenabled; extern qboolean gl_mtexable; extern PFNGLMULTITEXCOORD2FARBPROC GL_MTexCoord2fFunc; extern PFNGLACTIVETEXTUREARBPROC GL_SelectTextureFunc; extern PFNGLCLIENTACTIVETEXTUREARBPROC GL_ClientActiveTextureFunc; extern GLint gl_max_texture_units; //ericw //johnfitz -- anisotropic filtering #define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE #define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF extern float gl_max_anisotropy; extern qboolean gl_anisotropy_able; //ericw -- VBO extern PFNGLBINDBUFFERARBPROC GL_BindBufferFunc; extern PFNGLBUFFERDATAARBPROC GL_BufferDataFunc; extern PFNGLBUFFERSUBDATAARBPROC GL_BufferSubDataFunc; extern PFNGLDELETEBUFFERSARBPROC GL_DeleteBuffersFunc; extern PFNGLGENBUFFERSARBPROC GL_GenBuffersFunc; extern qboolean gl_vbo_able; //ericw //ericw -- GLSL // SDL 1.2 has a bug where it doesn't provide these typedefs on OS X! typedef GLuint (APIENTRYP QS_PFNGLCREATESHADERPROC) (GLenum type); typedef void (APIENTRYP QS_PFNGLDELETESHADERPROC) (GLuint shader); typedef void (APIENTRYP QS_PFNGLDELETEPROGRAMPROC) (GLuint program); typedef void (APIENTRYP QS_PFNGLSHADERSOURCEPROC) (GLuint shader, GLsizei count, const GLchar *const*string, const GLint *length); typedef void (APIENTRYP QS_PFNGLCOMPILESHADERPROC) (GLuint shader); typedef void (APIENTRYP QS_PFNGLGETSHADERIVPROC) (GLuint shader, GLenum pname, GLint *params); typedef void (APIENTRYP QS_PFNGLGETSHADERINFOLOGPROC) (GLuint shader, GLsizei bufSize, GLsizei *length, GLchar *infoLog); typedef void (APIENTRYP QS_PFNGLGETPROGRAMIVPROC) (GLuint program, GLenum pname, GLint *params); typedef void (APIENTRYP QS_PFNGLGETPROGRAMINFOLOGPROC) (GLuint program, GLsizei bufSize, GLsizei *length, GLchar *infoLog); typedef GLuint (APIENTRYP QS_PFNGLCREATEPROGRAMPROC) (void); typedef void (APIENTRYP QS_PFNGLATTACHSHADERPROC) (GLuint program, GLuint shader); typedef void (APIENTRYP QS_PFNGLLINKPROGRAMPROC) (GLuint program); typedef void (APIENTRYP QS_PFNGLBINDATTRIBLOCATIONFUNC) (GLuint program, GLuint index, const GLchar *name); typedef void (APIENTRYP QS_PFNGLUSEPROGRAMPROC) (GLuint program); typedef GLint (APIENTRYP QS_PFNGLGETATTRIBLOCATIONPROC) (GLuint program, const GLchar *name); typedef void (APIENTRYP QS_PFNGLVERTEXATTRIBPOINTERPROC) (GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void *pointer); typedef void (APIENTRYP QS_PFNGLENABLEVERTEXATTRIBARRAYPROC) (GLuint index); typedef void (APIENTRYP QS_PFNGLDISABLEVERTEXATTRIBARRAYPROC) (GLuint index); typedef GLint (APIENTRYP QS_PFNGLGETUNIFORMLOCATIONPROC) (GLuint program, const GLchar *name); typedef void (APIENTRYP QS_PFNGLUNIFORM1IPROC) (GLint location, GLint v0); typedef void (APIENTRYP QS_PFNGLUNIFORM1FPROC) (GLint location, GLfloat v0); typedef void (APIENTRYP QS_PFNGLUNIFORM3FPROC) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2); typedef void (APIENTRYP QS_PFNGLUNIFORM4FPROC) (GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3); extern QS_PFNGLCREATESHADERPROC GL_CreateShaderFunc; extern QS_PFNGLDELETESHADERPROC GL_DeleteShaderFunc; extern QS_PFNGLDELETEPROGRAMPROC GL_DeleteProgramFunc; extern QS_PFNGLSHADERSOURCEPROC GL_ShaderSourceFunc; extern QS_PFNGLCOMPILESHADERPROC GL_CompileShaderFunc; extern QS_PFNGLGETSHADERIVPROC GL_GetShaderivFunc; extern QS_PFNGLGETSHADERINFOLOGPROC GL_GetShaderInfoLogFunc; extern QS_PFNGLGETPROGRAMIVPROC GL_GetProgramivFunc; extern QS_PFNGLGETPROGRAMINFOLOGPROC GL_GetProgramInfoLogFunc; extern QS_PFNGLCREATEPROGRAMPROC GL_CreateProgramFunc; extern QS_PFNGLATTACHSHADERPROC GL_AttachShaderFunc; extern QS_PFNGLLINKPROGRAMPROC GL_LinkProgramFunc; extern QS_PFNGLBINDATTRIBLOCATIONFUNC GL_BindAttribLocationFunc; extern QS_PFNGLUSEPROGRAMPROC GL_UseProgramFunc; extern QS_PFNGLGETATTRIBLOCATIONPROC GL_GetAttribLocationFunc; extern QS_PFNGLVERTEXATTRIBPOINTERPROC GL_VertexAttribPointerFunc; extern QS_PFNGLENABLEVERTEXATTRIBARRAYPROC GL_EnableVertexAttribArrayFunc; extern QS_PFNGLDISABLEVERTEXATTRIBARRAYPROC GL_DisableVertexAttribArrayFunc; extern QS_PFNGLGETUNIFORMLOCATIONPROC GL_GetUniformLocationFunc; extern QS_PFNGLUNIFORM1IPROC GL_Uniform1iFunc; extern QS_PFNGLUNIFORM1FPROC GL_Uniform1fFunc; extern QS_PFNGLUNIFORM3FPROC GL_Uniform3fFunc; extern QS_PFNGLUNIFORM4FPROC GL_Uniform4fFunc; extern qboolean gl_glsl_able; extern qboolean gl_glsl_gamma_able; extern qboolean gl_glsl_alias_able; // ericw -- //ericw -- NPOT texture support extern qboolean gl_texture_NPOT; //johnfitz -- polygon offset #define OFFSET_BMODEL 1 #define OFFSET_NONE 0 #define OFFSET_DECAL -1 #define OFFSET_FOG -2 #define OFFSET_SHOWTRIS -3 void GL_PolygonOffset (int); //johnfitz -- GL_EXT_texture_env_combine //the values for GL_ARB_ are identical #define GL_COMBINE_EXT 0x8570 #define GL_COMBINE_RGB_EXT 0x8571 #define GL_COMBINE_ALPHA_EXT 0x8572 #define GL_RGB_SCALE_EXT 0x8573 #define GL_CONSTANT_EXT 0x8576 #define GL_PRIMARY_COLOR_EXT 0x8577 #define GL_PREVIOUS_EXT 0x8578 #define GL_SOURCE0_RGB_EXT 0x8580 #define GL_SOURCE1_RGB_EXT 0x8581 #define GL_SOURCE0_ALPHA_EXT 0x8588 #define GL_SOURCE1_ALPHA_EXT 0x8589 extern qboolean gl_texture_env_combine; extern qboolean gl_texture_env_add; // for GL_EXT_texture_env_add //johnfitz -- rendering statistics extern int rs_brushpolys, rs_aliaspolys, rs_skypolys, rs_particles, rs_fogpolys; extern int rs_dynamiclightmaps, rs_brushpasses, rs_aliaspasses, rs_skypasses; extern float rs_megatexels; //johnfitz -- track developer statistics that vary every frame extern cvar_t devstats; typedef struct { int packetsize; int edicts; int visedicts; int efrags; int tempents; int beams; int dlights; } devstats_t; extern devstats_t dev_stats, dev_peakstats; //ohnfitz -- reduce overflow warning spam typedef struct { double packetsize; double efrags; double beams; } overflowtimes_t; extern overflowtimes_t dev_overflows; //this stores the last time overflow messages were displayed, not the last time overflows occured #define CONSOLE_RESPAM_TIME 3 // seconds between repeated warning messages //johnfitz -- moved here from r_brush.c extern int gl_lightmap_format, lightmap_bytes; #define MAX_LIGHTMAPS 512 //johnfitz -- was 64 extern gltexture_t *lightmap_textures[MAX_LIGHTMAPS]; //johnfitz -- changed to an array extern int gl_warpimagesize; //johnfitz -- for water warp extern qboolean r_drawflat_cheatsafe, r_fullbright_cheatsafe, r_lightmap_cheatsafe, r_drawworld_cheatsafe; //johnfitz typedef struct glsl_attrib_binding_s { const char *name; GLuint attrib; } glsl_attrib_binding_t; extern float map_wateralpha, map_lavaalpha, map_telealpha, map_slimealpha; //ericw //johnfitz -- fog functions called from outside gl_fog.c void Fog_ParseServerMessage (void); float *Fog_GetColor (void); float Fog_GetDensity (void); void Fog_EnableGFog (void); void Fog_DisableGFog (void); void Fog_StartAdditive (void); void Fog_StopAdditive (void); void Fog_SetupFrame (void); void Fog_NewMap (void); void Fog_Init (void); void Fog_SetupState (void); void R_NewGame (void); void R_AnimateLight (void); void R_MarkSurfaces (void); void R_CullSurfaces (void); qboolean R_CullBox (vec3_t emins, vec3_t emaxs); void R_StoreEfrags (efrag_t **ppefrag); qboolean R_CullModelForEntity (entity_t *e); void R_RotateForEntity (vec3_t origin, vec3_t angles); void R_MarkLights (dlight_t *light, int num, mnode_t *node); void R_InitParticles (void); void R_DrawParticles (void); void CL_RunParticles (void); void R_ClearParticles (void); void R_TranslatePlayerSkin (int playernum); void R_TranslateNewPlayerSkin (int playernum); //johnfitz -- this handles cases when the actual texture changes void R_UpdateWarpTextures (void); void R_DrawWorld (void); void R_DrawAliasModel (entity_t *e); void R_DrawBrushModel (entity_t *e); void R_DrawSpriteModel (entity_t *e); void R_DrawTextureChains_Water (qmodel_t *model, entity_t *ent, texchain_t chain); void R_RenderDlights (void); void GL_BuildLightmaps (void); void GL_DeleteBModelVertexBuffer (void); void GL_BuildBModelVertexBuffer (void); void GLMesh_LoadVertexBuffers (void); void GLMesh_DeleteVertexBuffers (void); void R_RebuildAllLightmaps (void); int R_LightPoint (vec3_t p); void GL_SubdivideSurface (msurface_t *fa); void R_BuildLightMap (msurface_t *surf, byte *dest, int stride); void R_RenderDynamicLightmaps (msurface_t *fa); void R_UploadLightmaps (void); void R_DrawWorld_ShowTris (void); void R_DrawBrushModel_ShowTris (entity_t *e); void R_DrawAliasModel_ShowTris (entity_t *e); void R_DrawParticles_ShowTris (void); GLint GL_GetUniformLocation (GLuint *programPtr, const char *name); GLuint GL_CreateProgram (const GLchar *vertSource, const GLchar *fragSource, int numbindings, const glsl_attrib_binding_t *bindings); void R_DeleteShaders (void); void GLAlias_CreateShaders (void); void GL_DrawAliasShadow (entity_t *e); void DrawGLTriangleFan (glpoly_t *p); void DrawGLPoly (glpoly_t *p); void DrawWaterPoly (glpoly_t *p); void GL_MakeAliasModelDisplayLists (qmodel_t *m, aliashdr_t *hdr); void Sky_Init (void); void Sky_DrawSky (void); void Sky_NewMap (void); void Sky_LoadTexture (texture_t *mt); void Sky_LoadSkyBox (const char *name); void TexMgr_RecalcWarpImageSize (void); void R_ClearTextureChains (qmodel_t *mod, texchain_t chain); void R_ChainSurface (msurface_t *surf, texchain_t chain); void R_DrawTextureChains (qmodel_t *model, entity_t *ent, texchain_t chain); void R_DrawWorld_Water (void); void GL_BindBuffer (GLenum target, GLuint buffer); void GL_ClearBufferBindings (); void GLSLGamma_DeleteTexture (void); void GLSLGamma_GammaCorrect (void); float GL_WaterAlphaForSurface (msurface_t *fa); #endif /* __GLQUAKE_H */