#ifndef RENDER_H
#define RENDER_H
-// flag arrays used for visibility checking on world model
-// (all other entities have no per-surface/per-leaf visibility checks)
-// TODO: dynamic resize according to r_refdef.worldmodel->brush.num_clusters
-extern unsigned char r_pvsbits[(32768+7)>>3];
-// TODO: dynamic resize according to r_refdef.worldmodel->brush.num_leafs
-extern unsigned char r_worldleafvisible[32768];
-// TODO: dynamic resize according to r_refdef.worldmodel->num_surfaces
-extern unsigned char r_worldsurfacevisible[262144];
+#include "svbsp.h"
// 1.0f / N table
extern float ixtable[4096];
-// far clip distance for scene
-extern float r_farclip;
-
// fog stuff
extern void FOG_clear(void);
-extern float fog_density, fog_red, fog_green, fog_blue;
// sky stuff
extern cvar_t r_sky;
extern cvar_t developer_texturelogging;
+// shadow volume bsp struct with automatically growing nodes buffer
+extern svbsp_t r_svbsp;
+
typedef struct rmesh_s
{
// vertices of this mesh
//=============================================================================
-extern int r_framecount;
-extern mplane_t frustum[5];
-
-typedef struct renderstats_s
-{
- int entities;
- int entities_surfaces;
- int entities_triangles;
- int world_leafs;
- int world_portals;
- int particles;
- int meshes;
- int meshes_elements;
- int lights;
- int lights_clears;
- int lights_scissored;
- int lights_lighttriangles;
- int lights_shadowtriangles;
- int lights_dynamicshadowtriangles;
- int bloom;
- int bloom_copypixels;
- int bloom_drawpixels;
-}
-renderstats_t;
-
-extern renderstats_t renderstats;
-
-// brightness of world lightmaps and related lighting
-// (often reduced when world rtlights are enabled)
-extern float r_lightmapintensity;
-// whether to draw world lights realtime, dlights realtime, and their shadows
-extern qboolean r_rtworld;
-extern qboolean r_rtworldshadows;
-extern qboolean r_rtdlight;
-extern qboolean r_rtdlightshadows;
-
extern cvar_t r_nearclip;
// forces all rendering to draw triangle outlines
extern cvar_t r_showtris;
-extern cvar_t r_showtris_polygonoffset;
extern cvar_t r_shownormals;
extern cvar_t r_showlighting;
extern cvar_t r_showshadowvolumes;
extern cvar_t r_showcollisionbrushes_polygonfactor;
extern cvar_t r_showcollisionbrushes_polygonoffset;
extern cvar_t r_showdisabledepthtest;
-extern int r_showtrispass;
//
// view origin
//
-extern vec3_t r_vieworigin;
-extern vec3_t r_viewforward;
-extern vec3_t r_viewleft;
-extern vec3_t r_viewright;
-extern vec3_t r_viewup;
-extern int r_view_x;
-extern int r_view_y;
-extern int r_view_z;
-extern int r_view_width;
-extern int r_view_height;
-extern int r_view_depth;
-extern matrix4x4_t r_view_matrix;
-
-extern mleaf_t *r_viewleaf, *r_oldviewleaf;
-
-extern qboolean envmap;
-
extern cvar_t r_drawentities;
extern cvar_t r_drawviewmodel;
extern cvar_t r_speeds;
extern cvar_t r_dynamic;
void R_Init(void);
-void R_UpdateWorld(void); // needs no r_refdef
-void R_RenderView(void); // must call R_UpdateWorld and set r_refdef first
+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
void R_InitSky (unsigned char *src, int bytesperpixel); // called at level load
-void R_WorldVisibility();
+void R_SkinFrame_PrepareForPurge(void);
+void R_SkinFrame_MarkUsed(skinframe_t *skinframe);
+void R_SkinFrame_Purge(void);
+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_LoadInternal(const char *name, int textureflags, int loadpantsandshirt, int loadglowtexture, const unsigned char *skindata, int width, int height, int bitsperpixel, const unsigned int *palette, const unsigned int *alphapalette);
+skinframe_t *R_SkinFrame_LoadMissing(void);
+
+void R_View_WorldVisibility();
void R_DrawParticles(void);
void R_DrawExplosions(void);
#define gl_alpha_format 4
int R_CullBox(const vec3_t mins, const vec3_t maxs);
-
-#define FOGTABLEWIDTH 1024
-extern vec3_t fogcolor;
-extern vec_t fogdensity;
-extern vec_t fogrange;
-extern vec_t fograngerecip;
-extern int fogtableindex;
-extern vec_t fogtabledistmultiplier;
-extern float fogtable[FOGTABLEWIDTH];
-extern qboolean fogenabled;
-#define VERTEXFOGTABLE(dist) (fogtableindex = (int)((dist) * fogtabledistmultiplier), fogtable[bound(0, fogtableindex, FOGTABLEWIDTH - 1)])
+int R_CullBoxCustomPlanes(const vec3_t mins, const vec3_t maxs, int numplanes, const mplane_t *planes);
#include "r_modules.h"
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"
#include "r_light.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;
+//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_DrawWorldCrosshair(void);
-void R_Draw2DCrosshair(void);
-
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, int depthdisable, 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);
+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 enum rsurfmode_e
+{
+ RSURFMODE_NONE,
+ RSURFMODE_SHOWSURFACES,
+ RSURFMODE_SKY,
+ RSURFMODE_MULTIPASS,
+ RSURFMODE_GLSL
+}
+rsurfmode_t;
+
+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;
+ int modelelement3i_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
+ // current texture in batching code
+ texture_t *texture;
+ // whether lightmapping is active on this batch
+ // (otherwise vertex colored)
+ qboolean uselightmaptexture;
+ // one of the RSURFMODE_ values
+ rsurfmode_t mode;
+ // type of vertex lighting being used on this batch
+ int lightmode; // 0 = lightmap or fullbright, 1 = color array from q3bsp, 2 = vertex shaded model
+
+ // rtlight rendering
+ // light currently being rendered
+ 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_CleanUp(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(entity_render_t *ent, struct texture_s *texture, int texturenumsurfaces, const struct msurface_s **texturesurfacelist, const vec3_t modelorg);
-void R_DrawSurfaces(entity_render_t *ent, qboolean skysurfaces);
+void R_QueueTextureSurfaceList(int texturenumsurfaces, msurface_t **texturesurfacelist);
+void R_DrawWorldSurfaces(qboolean skysurfaces, qboolean writedepth, qboolean depthonly);
+void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces, qboolean writedepth, qboolean depthonly);
+
+void RSurf_PrepareVerticesForBatch(qboolean generatenormals, qboolean generatetangents, int texturenumsurfaces, msurface_t **texturesurfacelist);
+void RSurf_DrawBatch_Simple(int texturenumsurfaces, msurface_t **texturesurfacelist);
+
+#define SHADERPERMUTATION_MODE_LIGHTSOURCE (1<<0) // (lightsource) use directional pixel shading from light source (rtlight)
+#define SHADERPERMUTATION_MODE_LIGHTDIRECTIONMAP_MODELSPACE (1<<1) // (lightmap) use directional pixel shading from texture containing modelspace light directions (deluxemap)
+#define SHADERPERMUTATION_MODE_LIGHTDIRECTIONMAP_TANGENTSPACE (1<<2) // (lightmap) use directional pixel shading from texture containing tangentspace light directions (deluxemap)
+#define SHADERPERMUTATION_MODE_LIGHTDIRECTION (1<<3) // (lightmap) use directional pixel shading from fixed light direction (q3bsp)
+#define SHADERPERMUTATION_GLOW (1<<4) // (lightmap) blend in an additive glow texture
+#define SHADERPERMUTATION_FOG (1<<5) // tint the color by fog color or black if using additive blend mode
+#define SHADERPERMUTATION_COLORMAPPING (1<<6) // indicates this is a colormapped skin
+#define SHADERPERMUTATION_DIFFUSE (1<<7) // (lightsource) whether to use directional shading
+#define SHADERPERMUTATION_CONTRASTBOOST (1<<8) // r_glsl_contrastboost boosts the contrast at low color levels (similar to gamma)
+#define SHADERPERMUTATION_SPECULAR (1<<9) // (lightsource or deluxemapping) render specular effects
+#define SHADERPERMUTATION_CUBEFILTER (1<<10) // (lightsource) use cubemap light filter
+#define SHADERPERMUTATION_OFFSETMAPPING (1<<11) // adjust texcoords to roughly simulate a displacement mapped surface
+#define SHADERPERMUTATION_OFFSETMAPPING_RELIEFMAPPING (1<<12) // adjust texcoords to accurately simulate a displacement mapped surface (requires OFFSETMAPPING to also be set!)
+
+#define SHADERPERMUTATION_MAX (1<<13) // how many permutations are possible
+#define SHADERPERMUTATION_MASK (SHADERPERMUTATION_MAX - 1) // mask of valid indexing bits for r_glsl_permutations[] array
+
+// these are additional flags used only by R_GLSL_CompilePermutation
+#define SHADERPERMUTATION_USES_VERTEXSHADER (1<<29)
+#define SHADERPERMUTATION_USES_GEOMETRYSHADER (1<<30)
+#define SHADERPERMUTATION_USES_FRAGMENTSHADER (1<<31)
+
+typedef struct r_glsl_permutation_s
+{
+ // indicates if we have tried compiling this permutation already
+ qboolean compiled;
+ // 0 if compilation failed
+ int program;
+ int loc_Texture_Normal;
+ int loc_Texture_Color;
+ int loc_Texture_Gloss;
+ int loc_Texture_Cube;
+ int loc_Texture_Attenuation;
+ int loc_Texture_FogMask;
+ int loc_Texture_Pants;
+ int loc_Texture_Shirt;
+ int loc_Texture_Lightmap;
+ int loc_Texture_Deluxemap;
+ int loc_Texture_Glow;
+ int loc_FogColor;
+ int loc_LightPosition;
+ int loc_EyePosition;
+ int loc_LightColor;
+ int loc_Color_Pants;
+ int loc_Color_Shirt;
+ int loc_FogRangeRecip;
+ int loc_AmbientScale;
+ int loc_DiffuseScale;
+ int loc_SpecularScale;
+ int loc_SpecularPower;
+ int loc_GlowScale;
+ int loc_SceneBrightness; // or: Scenebrightness * ContrastBoost
+ int loc_OffsetMapping_Scale;
+ int loc_AmbientColor;
+ int loc_DiffuseColor;
+ int loc_SpecularColor;
+ int loc_LightDir;
+ int loc_ContrastBoostCoeff; // 1 - 1/ContrastBoost
+}
+r_glsl_permutation_t;
+
+// information about each possible shader permutation
+extern r_glsl_permutation_t r_glsl_permutations[SHADERPERMUTATION_MAX];
+// currently selected permutation
+extern r_glsl_permutation_t *r_glsl_permutation;
+
+void R_GLSL_CompilePermutation(const char *shaderfilename, int permutation);
+int R_SetupSurfaceShader(const vec3_t lightcolorbase, qboolean modellighting, float ambientscale, float diffusescale, float specularscale);
+void R_SwitchSurfaceShader(int permutation);
#endif
projects / xonotic / darkplaces.git / blobdiff