+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[MAX_FRAMEBLENDS];
+ // 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;
+ // special coloring of glow textures
+ vec3_t glowmod;
+ // view location in model space
+ vec3_t localvieworigin;
+ // 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;
+
+ // pointer to an entity_render_t used only by R_GetCurrentTexture and
+ // RSurf_ActiveWorldEntity/RSurf_ActiveModelEntity as a unique id within
+ // each frame (see r_frame also)
+ entity_render_t *entity;
+}
+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);
+
+texture_t *R_GetCurrentTexture(texture_t *t);
+void R_DrawWorldSurfaces(qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean debug);
+void R_DrawModelSurfaces(entity_render_t *ent, qboolean skysurfaces, qboolean writedepth, qboolean depthonly, qboolean debug);
+void R_AddWaterPlanes(entity_render_t *ent);
+
+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,
+ GL20TU_SHADOWMAPRECT = 11,
+ GL20TU_SHADOWMAPCUBE = 11,
+ GL20TU_SHADOWMAP2D = 11,
+ GL20TU_CUBEPROJECTION = 12
+}
+gl20_texunit;
+
+void R_SetupGenericShader(qboolean usetexture);
+void R_SetupGenericTwoTextureShader(int texturemode);
+void R_SetupDepthOrShadowShader(void);
+void R_SetupShowDepthShader(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;
+
+ qboolean renderingscene; // true while rendering a refraction or reflection texture, disables water surfaces
+
+ int waterwidth, waterheight;
+ int texturewidth, textureheight;
+
+ int maxwaterplanes; // same as MAX_WATERPLANES
+ int numwaterplanes;
+ r_waterstate_waterplane_t waterplanes[MAX_WATERPLANES];
+
+ float screenscale[2];
+ float screencenter[2];
+}
+r_waterstate_t;
+
+extern r_waterstate_t r_waterstate;
projects / xonotic / darkplaces.git / blobdiff