X-Git-Url: http://git.xonotic.org/?a=blobdiff_plain;f=render.h;h=c39b4032901dd277c6a7e0518338a58a9e77b1d9;hb=7f81dc664a496edf46a3cd537f2dc6dcb60ccf4c;hp=c713eb4041b07dcf725427c83dcdb23a6b77ed72;hpb=6a384398c93b7e2bc1936427797909eb60094160;p=xonotic%2Fdarkplaces.git diff --git a/render.h b/render.h index c713eb40..c39b4032 100644 --- a/render.h +++ b/render.h @@ -8,7 +8,7 @@ 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. +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. @@ -18,150 +18,428 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -// refresh.h -- public interface to refresh functions +#ifndef RENDER_H +#define RENDER_H -#define MAXCLIPPLANES 11 +#include "svbsp.h" -#define TOP_RANGE 16 // soldier uniform colors -#define BOTTOM_RANGE 96 +// 1.0f / N table +extern float ixtable[4096]; -//============================================================================= +// fog stuff +extern void FOG_clear(void); -typedef struct efrag_s -{ - struct mleaf_s *leaf; - struct efrag_s *leafnext; - struct entity_s *entity; - struct efrag_s *entnext; -} efrag_t; +// sky stuff +extern cvar_t r_sky; +extern cvar_t r_skyscroll1; +extern cvar_t r_skyscroll2; +extern int skyrendernow, skyrendermasked; +extern int R_SetSkyBox(const char *sky); +extern void R_SkyStartFrame(void); +extern void R_Sky(void); +extern void R_ResetSkyBox(void); +// SHOWLMP stuff (Nehahra) +extern void SHOWLMP_decodehide(void); +extern void SHOWLMP_decodeshow(void); +extern void SHOWLMP_drawall(void); -typedef struct entity_s -{ - qboolean forcelink; // model changed - - int update_type; - - entity_state_t baseline; // to fill in defaults in updates - entity_state_t deltabaseline; // LordHavoc: previous frame - - double msgtime; // time of last update - vec3_t msg_origins[2]; // last two updates (0 is newest) - vec3_t origin; - vec3_t msg_angles[2]; // last two updates (0 is newest) - vec3_t angles; - - // LordHavoc: added support for alpha transprency and other effects - float alpha; // opacity (alpha) of the model - float colormod[3]; // color tint for model - float scale; // size the model is shown - int draw_lastpose, draw_pose; // for interpolation - float draw_lerpstart; // for interpolation - struct model_s *draw_lastmodel; // for interpolation - float trail_leftover; - float glowsize; // how big the glow is - byte glowcolor; // color of glow and particle trail (paletted) - byte glowtrail; // leaves a trail of particles - byte isviewmodel; // attached to view - - struct model_s *model; // NULL = no model - struct efrag_s *efrag; // linked list of efrags - int frame; - float syncbase; // for client-side animations - int colormap; - int effects; // light, particals, etc - int skinnum; // for Alias models - int visframe; // last frame this entity was - // found in an active leaf - - int dlightframe; // dynamic lighting - int dlightbits[8]; - -// FIXME: could turn these into a union - int trivial_accept; - struct mnode_s *topnode; // for bmodels, first world node - // that splits bmodel, or NULL if - // not split -} entity_t; - -// !!! if this is changed, it must be changed in asm_draw.h too !!! -typedef struct +// render profiling stuff +extern int r_timereport_active; + +// lighting stuff +extern cvar_t r_ambient; +extern cvar_t gl_flashblend; + +// vis stuff +extern cvar_t r_novis; + +extern cvar_t r_lerpsprites; +extern cvar_t r_lerpmodels; +extern cvar_t r_lerplightstyles; +extern cvar_t r_waterscroll; + +extern cvar_t developer_texturelogging; + +// shadow volume bsp struct with automatically growing nodes buffer +extern svbsp_t r_svbsp; + +typedef struct rmesh_s { - vrect_t vrect; // subwindow in video for refresh - // FIXME: not need vrect next field here? - vrect_t aliasvrect; // scaled Alias version - int vrectright, vrectbottom; // right & bottom screen coords - int aliasvrectright, aliasvrectbottom; // scaled Alias versions - float vrectrightedge; // rightmost right edge we care about, - // for use in edge list - float fvrectx, fvrecty; // for floating-point compares - float fvrectx_adj, fvrecty_adj; // left and top edges, for clamping - int vrect_x_adj_shift20; // (vrect.x + 0.5 - epsilon) << 20 - int vrectright_adj_shift20; // (vrectright + 0.5 - epsilon) << 20 - float fvrectright_adj, fvrectbottom_adj; - // right and bottom edges, for clamping - float fvrectright; // rightmost edge, for Alias clamping - float fvrectbottom; // bottommost edge, for Alias clamping - float horizontalFieldOfView; // at Z = 1.0, this many X is visible - // 2.0 = 90 degrees - float xOrigin; // should probably allways be 0.5 - float yOrigin; // between be around 0.3 to 0.5 - - vec3_t vieworg; - vec3_t viewangles; - - float fov_x, fov_y; - - int ambientlight; -} refdef_t; + // vertices of this mesh + int maxvertices; + int numvertices; + float *vertex3f; + float *svector3f; + float *tvector3f; + float *normal3f; + float *texcoord2f; + float *texcoordlightmap2f; + float *color4f; + // triangles of this mesh + int maxtriangles; + int numtriangles; + int *element3i; + int *neighbor3i; + // snapping epsilon + float epsilon2; +} +rmesh_t; + +// useful functions for rendering +void R_ModulateColors(float *in, float *out, int verts, float r, float g, float b); +void R_FillColors(float *out, int verts, float r, float g, float b, float a); +int R_Mesh_AddVertex3f(rmesh_t *mesh, const float *v); +void R_Mesh_AddPolygon3f(rmesh_t *mesh, int numvertices, float *vertex3f); +void R_Mesh_AddBrushMeshFromPlanes(rmesh_t *mesh, int numplanes, mplane_t *planes); +#define TOP_RANGE 16 // soldier uniform colors +#define BOTTOM_RANGE 96 + +//============================================================================= + +extern cvar_t r_nearclip; + +// forces all rendering to draw triangle outlines +extern cvar_t r_showtris; +extern cvar_t r_shownormals; +extern cvar_t r_showlighting; +extern cvar_t r_showshadowvolumes; +extern cvar_t r_showcollisionbrushes; +extern cvar_t r_showcollisionbrushes_polygonfactor; +extern cvar_t r_showcollisionbrushes_polygonoffset; +extern cvar_t r_showdisabledepthtest; // -// refresh +// view origin // +extern cvar_t r_drawentities; +extern cvar_t r_drawviewmodel; +extern cvar_t r_speeds; +extern cvar_t r_fullbright; +extern cvar_t r_wateralpha; +extern cvar_t r_dynamic; + +void R_Init(void); +void R_UpdateVariables(void); // must call after setting up most of r_refdef, but before calling R_RenderView +void R_RenderView(void); // must set r_refdef and call R_UpdateVariables first + +typedef enum r_refdef_scene_type_s { + RST_CLIENT, + RST_MENU, + RST_COUNT +} r_refdef_scene_type_t; + +void R_SelectScene( r_refdef_scene_type_t scenetype ); +r_refdef_scene_t * R_GetScenePointer( r_refdef_scene_type_t scenetype ); + +void R_SkinFrame_PrepareForPurge(void); +void R_SkinFrame_MarkUsed(skinframe_t *skinframe); +void R_SkinFrame_Purge(void); +// set last to NULL to start from the beginning +skinframe_t *R_SkinFrame_FindNextByName( skinframe_t *last, const char *name ); +skinframe_t *R_SkinFrame_Find(const char *name, int textureflags, int comparewidth, int compareheight, int comparecrc, qboolean add); +skinframe_t *R_SkinFrame_LoadExternal(const char *name, int textureflags, qboolean complain); +skinframe_t *R_SkinFrame_LoadExternal_CheckAlpha(const char *name, int textureflags, qboolean complain, qboolean *has_alpha); +skinframe_t *R_SkinFrame_LoadInternalBGRA(const char *name, int textureflags, const unsigned char *skindata, int width, int height); +skinframe_t *R_SkinFrame_LoadInternalQuake(const char *name, int textureflags, int loadpantsandshirt, int loadglowtexture, const unsigned char *skindata, int width, int height); +skinframe_t *R_SkinFrame_LoadMissing(void); +void R_View_WorldVisibility(qboolean forcenovis); +void R_DrawDecals(void); +void R_DrawParticles(void); +void R_DrawExplosions(void); -extern refdef_t r_refdef; -extern vec3_t r_origin, vpn, vright, vup; +#define gl_solid_format 3 +#define gl_alpha_format 4 -extern struct texture_s *r_notexture_mip; +int R_CullBox(const vec3_t mins, const vec3_t maxs); +int R_CullBoxCustomPlanes(const vec3_t mins, const vec3_t maxs, int numplanes, const mplane_t *planes); -extern void R_Init (void); -extern void R_InitTextures (void); -extern void R_InitEfrags (void); -extern void R_RenderView (void); // must set r_refdef first -extern void R_ViewChanged (vrect_t *pvrect, int lineadj, float aspect); - // called whenever r_refdef or vid change -// LordHavoc: changed this for sake of GLQuake -extern void R_InitSky (byte *src, int bytesperpixel); // called at level load -//extern void R_InitSky (struct texture_s *mt); // called at level load +#include "r_modules.h" + +#include "meshqueue.h" + +#include "r_lerpanim.h" + +extern cvar_t r_render; +extern cvar_t r_waterwarp; + +extern cvar_t r_textureunits; +extern cvar_t r_glsl; +extern cvar_t r_glsl_offsetmapping; +extern cvar_t r_glsl_offsetmapping_reliefmapping; +extern cvar_t r_glsl_offsetmapping_scale; +extern cvar_t r_glsl_deluxemapping; + +extern cvar_t gl_polyblend; +extern cvar_t gl_dither; + +extern cvar_t r_smoothnormals_areaweighting; + +extern cvar_t r_test; + +#include "gl_backend.h" + +extern rtexture_t *r_texture_blanknormalmap; +extern rtexture_t *r_texture_white; +extern rtexture_t *r_texture_grey128; +extern rtexture_t *r_texture_black; +extern rtexture_t *r_texture_notexture; +extern rtexture_t *r_texture_whitecube; +extern rtexture_t *r_texture_normalizationcube; +extern rtexture_t *r_texture_fogattenuation; +//extern rtexture_t *r_texture_fogintensity; + +void R_TimeReport(char *name); + +// r_stain +void R_Stain(const vec3_t origin, float radius, int cr1, int cg1, int cb1, int ca1, int cr2, int cg2, int cb2, int ca2); + +void R_CalcBeam_Vertex3f(float *vert, const vec3_t org1, const vec3_t org2, float width); +void R_DrawSprite(int blendfunc1, int blendfunc2, rtexture_t *texture, rtexture_t *fogtexture, qboolean depthdisable, qboolean depthshort, const vec3_t origin, const vec3_t left, const vec3_t up, float scalex1, float scalex2, float scaley1, float scaley2, float cr, float cg, float cb, float ca); + +extern mempool_t *r_main_mempool; + +typedef struct rsurfacestate_s +{ + // processing buffers + int array_size; + float *array_modelvertex3f; + float *array_modelsvector3f; + float *array_modeltvector3f; + float *array_modelnormal3f; + float *array_deformedvertex3f; + float *array_deformedsvector3f; + float *array_deformedtvector3f; + float *array_deformednormal3f; + float *array_generatedtexcoordtexture2f; + float *array_color4f; + float *array_texcoord3f; + + // current model array pointers + // these may point to processing buffers if model is animated, + // otherwise they point to static data. + // these are not directly used for rendering, they are just another level + // of processing + // + // these either point at array_model* buffers (if the model is animated) + // or the model->surfmesh.data_* buffers (if the model is not animated) + // + // these are only set when an entity render begins, they do not change on + // a per surface basis. + // + // this indicates the model* arrays are pointed at array_model* buffers + // (in other words, the model has been animated in software) + qboolean generatedvertex; + float *modelvertex3f; + int modelvertex3f_bufferobject; + size_t modelvertex3f_bufferoffset; + float *modelsvector3f; + int modelsvector3f_bufferobject; + size_t modelsvector3f_bufferoffset; + float *modeltvector3f; + int modeltvector3f_bufferobject; + size_t modeltvector3f_bufferoffset; + float *modelnormal3f; + int modelnormal3f_bufferobject; + size_t modelnormal3f_bufferoffset; + float *modellightmapcolor4f; + int modellightmapcolor4f_bufferobject; + size_t modellightmapcolor4f_bufferoffset; + float *modeltexcoordtexture2f; + int modeltexcoordtexture2f_bufferobject; + size_t modeltexcoordtexture2f_bufferoffset; + float *modeltexcoordlightmap2f; + int modeltexcoordlightmap2f_bufferobject; + size_t modeltexcoordlightmap2f_bufferoffset; + int *modelelement3i; + unsigned short *modelelement3s; + int modelelement3i_bufferobject; + int modelelement3s_bufferobject; + int *modellightmapoffsets; + int modelnum_vertices; + int modelnum_triangles; + msurface_t *modelsurfaces; + // current rendering array pointers + // these may point to any of several different buffers depending on how + // much processing was needed to prepare this model for rendering + // these usually equal the model* pointers, they only differ if + // deformvertexes is used in a q3 shader, and consequently these can + // change on a per-surface basis (according to rsurface.texture) + // + // the exception is the color array which is often generated based on + // colormod, alpha fading, and fogging, it may also come from q3bsp vertex + // lighting of certain surfaces + float *vertex3f; + int vertex3f_bufferobject; + size_t vertex3f_bufferoffset; + float *svector3f; + int svector3f_bufferobject; + size_t svector3f_bufferoffset; + float *tvector3f; + int tvector3f_bufferobject; + size_t tvector3f_bufferoffset; + float *normal3f; + int normal3f_bufferobject; + size_t normal3f_bufferoffset; + float *lightmapcolor4f; + int lightmapcolor4f_bufferobject; + size_t lightmapcolor4f_bufferoffset; + float *texcoordtexture2f; + int texcoordtexture2f_bufferobject; + size_t texcoordtexture2f_bufferoffset; + float *texcoordlightmap2f; + int texcoordlightmap2f_bufferobject; + size_t texcoordlightmap2f_bufferoffset; + // transform matrices to render this entity and effects on this entity + matrix4x4_t matrix; + matrix4x4_t inversematrix; + // animation blending state from entity + frameblend_t frameblend[4]; + // directional model shading state from entity + vec3_t modellight_ambient; + vec3_t modellight_diffuse; + vec3_t modellight_lightdir; + // colormapping state from entity (these are black if colormapping is off) + vec3_t colormap_pantscolor; + vec3_t colormap_shirtcolor; + // view location in model space + vec3_t modelorg; // TODO: rename this + // polygon offset data for submodels + float basepolygonfactor; + float basepolygonoffset; + // current texture in batching code + texture_t *texture; + // whether lightmapping is active on this batch + // (otherwise vertex colored) + qboolean uselightmaptexture; + + // rtlight rendering + // light currently being rendered + const rtlight_t *rtlight; + // current light's cull box (copied out of an rtlight or calculated by GetLightInfo) + vec3_t rtlight_cullmins; + vec3_t rtlight_cullmaxs; + // current light's culling planes + int rtlight_numfrustumplanes; + mplane_t rtlight_frustumplanes[12+6+6]; // see R_Shadow_ComputeShadowCasterCullingPlanes + + // this is the location of the light in entity space + vec3_t entitylightorigin; + // this transforms entity coordinates to light filter cubemap coordinates + // (also often used for other purposes) + matrix4x4_t entitytolight; + // based on entitytolight this transforms -1 to +1 to 0 to 1 for purposes + // of attenuation texturing in full 3D (Z result often ignored) + matrix4x4_t entitytoattenuationxyz; + // this transforms only the Z to S, and T is always 0.5 + matrix4x4_t entitytoattenuationz; +} +rsurfacestate_t; + +extern rsurfacestate_t rsurface; + +void RSurf_ActiveWorldEntity(void); +void RSurf_ActiveModelEntity(const entity_render_t *ent, qboolean wantnormals, qboolean wanttangents); +void RSurf_SetupDepthAndCulling(void); + +void R_Mesh_ResizeArrays(int newvertices); + +struct entity_render_s; +struct texture_s; +struct msurface_s; +void R_UpdateTextureInfo(const entity_render_t *ent, texture_t *t); +void R_UpdateAllTextureInfo(entity_render_t *ent); +void R_QueueTextureSurfaceList(int texturenumsurfaces, msurface_t **texturesurfacelist); +void R_DrawWorldSurfaces(qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean addwaterplanes, qboolean debug); +void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean addwaterplanes, qboolean debug); + +void RSurf_PrepareVerticesForBatch(qboolean generatenormals, qboolean generatetangents, int texturenumsurfaces, msurface_t **texturesurfacelist); +void RSurf_DrawBatch_Simple(int texturenumsurfaces, msurface_t **texturesurfacelist); + +typedef enum rsurfacepass_e +{ + RSURFPASS_BASE, + RSURFPASS_BACKGROUND, + RSURFPASS_RTLIGHT +} +rsurfacepass_t; + +typedef enum gl20_texunit_e +{ + // postprocess shaders, and generic shaders: + GL20TU_FIRST = 0, + GL20TU_SECOND = 1, + GL20TU_GAMMARAMPS = 2, + // standard material properties + GL20TU_NORMAL = 0, + GL20TU_COLOR = 1, + GL20TU_GLOSS = 2, + GL20TU_GLOW = 3, + // material properties for a second material + GL20TU_SECONDARY_NORMAL = 4, + GL20TU_SECONDARY_COLOR = 5, + GL20TU_SECONDARY_GLOSS = 6, + GL20TU_SECONDARY_GLOW = 7, + // material properties for a colormapped material + // conflicts with secondary material + GL20TU_PANTS = 4, + GL20TU_SHIRT = 5, + // fog fade in the distance + GL20TU_FOGMASK = 8, + // compiled ambient lightmap and deluxemap + GL20TU_LIGHTMAP = 9, + GL20TU_DELUXEMAP = 10, + // refraction, used by water shaders + GL20TU_REFRACTION = 3, + // reflection, used by water shaders, also with normal material rendering + // conflicts with secondary material + GL20TU_REFLECTION = 7, + // rtlight attenuation (distance fade) and cubemap filter (projection texturing) + // conflicts with lightmap/deluxemap + GL20TU_ATTENUATION = 9, + GL20TU_CUBE = 10, +} +gl20_texunit; + +void R_SetupGenericShader(qboolean usetexture); +void R_SetupGenericTwoTextureShader(int texturemode); +void R_SetupDepthOrShadowShader(void); +void R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, float ambientscale, float diffusescale, float specularscale, rsurfacepass_t rsurfacepass); + +typedef struct r_waterstate_waterplane_s +{ + rtexture_t *texture_refraction; + rtexture_t *texture_reflection; + mplane_t plane; + int materialflags; // combined flags of all water surfaces on this plane + unsigned char pvsbits[(32768+7)>>3]; // FIXME: buffer overflow on huge maps + qboolean pvsvalid; +} +r_waterstate_waterplane_t; + +#define MAX_WATERPLANES 16 + +typedef struct r_waterstate_s +{ + qboolean enabled; -extern void R_AddEfrags (entity_t *ent); -extern void R_RemoveEfrags (entity_t *ent); + qboolean renderingscene; // true while rendering a refraction or reflection texture, disables water surfaces -extern void R_NewMap (void); + int waterwidth, waterheight; + int texturewidth, textureheight; + int maxwaterplanes; // same as MAX_WATERPLANES + int numwaterplanes; + r_waterstate_waterplane_t waterplanes[MAX_WATERPLANES]; -extern void R_ParseParticleEffect (void); -extern void R_RunParticleEffect (vec3_t org, vec3_t dir, int color, int count); -extern void R_RocketTrail (vec3_t start, vec3_t end, int type, entity_t *ent); -extern void R_RocketTrail2 (vec3_t start, vec3_t end, int type, entity_t *ent); -extern void R_SparkShower (vec3_t org, vec3_t dir, int count); -extern void R_BloodPuff (vec3_t org); + float screenscale[2]; + float screencenter[2]; +} +r_waterstate_t; -extern void R_EntityParticles (entity_t *ent); -extern void R_BlobExplosion (vec3_t org); -extern void R_ParticleExplosion (vec3_t org, int smoke); -extern void R_ParticleExplosion2 (vec3_t org, int colorStart, int colorLength); -extern void R_LavaSplash (vec3_t org); -extern void R_TeleportSplash (vec3_t org); +extern r_waterstate_t r_waterstate; -extern void R_PushDlights (void); -extern void R_DrawWorld (void); -//extern void R_RenderDlights (void); -extern void R_DrawParticles (void); -extern void R_MoveParticles (void); +#endif -extern void R_DynamicLightPoint(vec3_t color, vec3_t org, int *dlightbits); -extern void R_DynamicLightPointNoMask(vec3_t color, vec3_t org); -extern void R_LightPoint (vec3_t color, vec3_t p);