/* 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 spingle__glquake_h #define spingle__glquake_h void GL_BeginRendering(int32_t *x, int32_t *y, int32_t *width, int32_t *height); void GL_EndRendering(void); void GL_Set2D(void); extern int32_t 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, int32_t frame); 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 vec3_t org; float color; // drivers never touch the following struct particle_s *next; vec3_t vel; float ramp; float die; ptype_t type; } particle_t; //==================================================== extern bool r_cache_thrash; // compatability extern vec3_t modelorg, r_entorigin; extern entity_t *currententity; extern int32_t r_visframecount; // ??? what difs? extern int32_t 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 int32_t 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 r_scale; 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 int32_t gl_stencilbits; // Multitexture extern bool mtexenabled; extern bool 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 bool 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 bool 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 bool gl_glsl_able; extern bool gl_glsl_gamma_able; extern bool gl_glsl_alias_able; // ericw -- //ericw -- NPOT texture support extern bool 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(int32_t); //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 bool gl_texture_env_combine; extern bool gl_texture_env_add; // for GL_EXT_texture_env_add //johnfitz -- rendering statistics extern int32_t rs_brushpolys, rs_aliaspolys, rs_skypolys, rs_particles, rs_fogpolys; extern int32_t 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 { int32_t packetsize; int32_t edicts; int32_t visedicts; int32_t efrags; int32_t tempents; int32_t beams; int32_t dlights; } devstats_t; extern devstats_t dev_stats, dev_peakstats; //ohnfitz -- reduce overflow warning spam typedef struct { double packetsize; double efrags; double beams; double varstring; } 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 int32_t 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 int32_t gl_warpimagesize; //johnfitz -- for water warp extern bool 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); bool R_CullBox(vec3_t emins, vec3_t emaxs); void R_StoreEfrags(efrag_t **ppefrag); bool R_CullModelForEntity(entity_t *e); void R_RotateForEntity(vec3_t origin, vec3_t angles); void R_MarkLights(dlight_t *light, int32_t num, mnode_t *node); void R_InitParticles(void); void R_DrawParticles(void); void CL_RunParticles(void); void R_ClearParticles(void); void R_TranslatePlayerSkin(int32_t playernum); void R_TranslateNewPlayerSkin(int32_t 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); int32_t R_LightPoint(vec3_t p); void GL_SubdivideSurface(msurface_t *fa); void R_BuildLightMap(msurface_t *surf, byte *dest, int32_t 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, int32_t numbindings, const glsl_attrib_binding_t *bindings); void R_DeleteShaders(void); void GLWorld_CreateShaders(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); void R_ScaleView_DeleteTexture(void); float GL_WaterAlphaForSurface(msurface_t *fa); #endif