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diff --git a/src/renderer/tr_local.h b/src/renderer/tr_local.h
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-/*
-===========================================================================
-Copyright (C) 1999-2005 Id Software, Inc.
-Copyright (C) 2000-2009 Darklegion Development
-
-This file is part of Tremulous.
-
-Tremulous 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.
-
-Tremulous 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 Tremulous; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-===========================================================================
-*/
-
-
-#ifndef TR_LOCAL_H
-#define TR_LOCAL_H
-
-#include "../qcommon/q_shared.h"
-#include "../qcommon/qfiles.h"
-#include "../qcommon/qcommon.h"
-#include "tr_public.h"
-#include "qgl.h"
-#include "iqm.h"
-
-#define GL_INDEX_TYPE GL_UNSIGNED_INT
-typedef unsigned int glIndex_t;
-
-// 14 bits
-// can't be increased without changing bit packing for drawsurfs
-// see QSORT_SHADERNUM_SHIFT
-#define SHADERNUM_BITS 14
-#define MAX_SHADERS (1<<SHADERNUM_BITS)
-
-//#define MAX_SHADER_STATES 2048
-#define MAX_STATES_PER_SHADER 32
-#define MAX_STATE_NAME 32
-
-
-
-typedef struct dlight_s {
- vec3_t origin;
- vec3_t color; // range from 0.0 to 1.0, should be color normalized
- float radius;
-
- vec3_t transformed; // origin in local coordinate system
- int additive; // texture detail is lost tho when the lightmap is dark
-} dlight_t;
-
-
-// a trRefEntity_t has all the information passed in by
-// the client game, as well as some locally derived info
-typedef struct {
- refEntity_t e;
-
- float axisLength; // compensate for non-normalized axis
-
- qboolean needDlights; // true for bmodels that touch a dlight
- qboolean lightingCalculated;
- vec3_t lightDir; // normalized direction towards light
- vec3_t ambientLight; // color normalized to 0-255
- int ambientLightInt; // 32 bit rgba packed
- vec3_t directedLight;
-} trRefEntity_t;
-
-
-typedef struct {
- vec3_t origin; // in world coordinates
- vec3_t axis[3]; // orientation in world
- vec3_t viewOrigin; // viewParms->or.origin in local coordinates
- float modelMatrix[16];
-} orientationr_t;
-
-typedef struct image_s {
- char imgName[MAX_QPATH]; // game path, including extension
- int width, height; // source image
- int uploadWidth, uploadHeight; // after power of two and picmip but not including clamp to MAX_TEXTURE_SIZE
- GLuint texnum; // gl texture binding
-
- int frameUsed; // for texture usage in frame statistics
-
- int internalFormat;
- int TMU; // only needed for voodoo2
-
- qboolean mipmap;
- qboolean allowPicmip;
- int wrapClampMode; // GL_CLAMP_TO_EDGE or GL_REPEAT
-
- struct image_s* next;
-} image_t;
-
-//===============================================================================
-
-typedef enum {
- SS_BAD,
- SS_PORTAL, // mirrors, portals, viewscreens
- SS_ENVIRONMENT, // sky box
- SS_OPAQUE, // opaque
-
- SS_DECAL, // scorch marks, etc.
- SS_SEE_THROUGH, // ladders, grates, grills that may have small blended edges
- // in addition to alpha test
- SS_BANNER,
-
- SS_FOG,
-
- SS_UNDERWATER, // for items that should be drawn in front of the water plane
-
- SS_BLEND0, // regular transparency and filters
- SS_BLEND1, // generally only used for additive type effects
- SS_BLEND2,
- SS_BLEND3,
-
- SS_BLEND6,
- SS_STENCIL_SHADOW,
- SS_ALMOST_NEAREST, // gun smoke puffs
-
- SS_NEAREST // blood blobs
-} shaderSort_t;
-
-
-#define MAX_SHADER_STAGES 8
-
-typedef enum {
- GF_NONE,
-
- GF_SIN,
- GF_SQUARE,
- GF_TRIANGLE,
- GF_SAWTOOTH,
- GF_INVERSE_SAWTOOTH,
-
- GF_NOISE
-
-} genFunc_t;
-
-
-typedef enum {
- DEFORM_NONE,
- DEFORM_WAVE,
- DEFORM_NORMALS,
- DEFORM_BULGE,
- DEFORM_MOVE,
- DEFORM_PROJECTION_SHADOW,
- DEFORM_AUTOSPRITE,
- DEFORM_AUTOSPRITE2,
- DEFORM_TEXT0,
- DEFORM_TEXT1,
- DEFORM_TEXT2,
- DEFORM_TEXT3,
- DEFORM_TEXT4,
- DEFORM_TEXT5,
- DEFORM_TEXT6,
- DEFORM_TEXT7
-} deform_t;
-
-typedef enum {
- AGEN_IDENTITY,
- AGEN_SKIP,
- AGEN_ENTITY,
- AGEN_ONE_MINUS_ENTITY,
- AGEN_VERTEX,
- AGEN_ONE_MINUS_VERTEX,
- AGEN_LIGHTING_SPECULAR,
- AGEN_WAVEFORM,
- AGEN_PORTAL,
- AGEN_CONST
-} alphaGen_t;
-
-typedef enum {
- CGEN_BAD,
- CGEN_IDENTITY_LIGHTING, // tr.identityLight
- CGEN_IDENTITY, // always (1,1,1,1)
- CGEN_ENTITY, // grabbed from entity's modulate field
- CGEN_ONE_MINUS_ENTITY, // grabbed from 1 - entity.modulate
- CGEN_EXACT_VERTEX, // tess.vertexColors
- CGEN_VERTEX, // tess.vertexColors * tr.identityLight
- CGEN_ONE_MINUS_VERTEX,
- CGEN_WAVEFORM, // programmatically generated
- CGEN_LIGHTING_DIFFUSE,
- CGEN_FOG, // standard fog
- CGEN_CONST // fixed color
-} colorGen_t;
-
-typedef enum {
- TCGEN_BAD,
- TCGEN_IDENTITY, // clear to 0,0
- TCGEN_LIGHTMAP,
- TCGEN_TEXTURE,
- TCGEN_ENVIRONMENT_MAPPED,
- TCGEN_FOG,
- TCGEN_VECTOR // S and T from world coordinates
-} texCoordGen_t;
-
-typedef enum {
- ACFF_NONE,
- ACFF_MODULATE_RGB,
- ACFF_MODULATE_RGBA,
- ACFF_MODULATE_ALPHA
-} acff_t;
-
-typedef struct {
- genFunc_t func;
-
- float base;
- float amplitude;
- float phase;
- float frequency;
-} waveForm_t;
-
-#define TR_MAX_TEXMODS 4
-
-typedef enum {
- TMOD_NONE,
- TMOD_TRANSFORM,
- TMOD_TURBULENT,
- TMOD_SCROLL,
- TMOD_SCALE,
- TMOD_STRETCH,
- TMOD_ROTATE,
- TMOD_ENTITY_TRANSLATE
-} texMod_t;
-
-#define MAX_SHADER_DEFORMS 3
-typedef struct {
- deform_t deformation; // vertex coordinate modification type
-
- vec3_t moveVector;
- waveForm_t deformationWave;
- float deformationSpread;
-
- float bulgeWidth;
- float bulgeHeight;
- float bulgeSpeed;
-} deformStage_t;
-
-
-typedef struct {
- texMod_t type;
-
- // used for TMOD_TURBULENT and TMOD_STRETCH
- waveForm_t wave;
-
- // used for TMOD_TRANSFORM
- float matrix[2][2]; // s' = s * m[0][0] + t * m[1][0] + trans[0]
- float translate[2]; // t' = s * m[0][1] + t * m[0][1] + trans[1]
-
- // used for TMOD_SCALE
- float scale[2]; // s *= scale[0]
- // t *= scale[1]
-
- // used for TMOD_SCROLL
- float scroll[2]; // s' = s + scroll[0] * time
- // t' = t + scroll[1] * time
-
- // + = clockwise
- // - = counterclockwise
- float rotateSpeed;
-
-} texModInfo_t;
-
-
-#define MAX_IMAGE_ANIMATIONS 8
-
-typedef struct {
- image_t *image[MAX_IMAGE_ANIMATIONS];
- int numImageAnimations;
- float imageAnimationSpeed;
-
- texCoordGen_t tcGen;
- vec3_t tcGenVectors[2];
-
- int numTexMods;
- texModInfo_t *texMods;
-
- int videoMapHandle;
- qboolean isLightmap;
- qboolean vertexLightmap;
- qboolean isVideoMap;
-} textureBundle_t;
-
-#define NUM_TEXTURE_BUNDLES 2
-
-typedef struct {
- qboolean active;
-
- textureBundle_t bundle[NUM_TEXTURE_BUNDLES];
-
- waveForm_t rgbWave;
- colorGen_t rgbGen;
-
- waveForm_t alphaWave;
- alphaGen_t alphaGen;
-
- byte constantColor[4]; // for CGEN_CONST and AGEN_CONST
-
- unsigned stateBits; // GLS_xxxx mask
-
- acff_t adjustColorsForFog;
-
- qboolean isDetail;
-} shaderStage_t;
-
-struct shaderCommands_s;
-
-// any change in the LIGHTMAP_* defines here MUST be reflected in
-// R_FindShader() in tr_bsp.c
-#define LIGHTMAP_2D -4 // shader is for 2D rendering
-#define LIGHTMAP_BY_VERTEX -3 // pre-lit triangle models
-#define LIGHTMAP_WHITEIMAGE -2
-#define LIGHTMAP_NONE -1
-
-typedef enum {
- CT_FRONT_SIDED,
- CT_BACK_SIDED,
- CT_TWO_SIDED
-} cullType_t;
-
-typedef enum {
- FP_NONE, // surface is translucent and will just be adjusted properly
- FP_EQUAL, // surface is opaque but possibly alpha tested
- FP_LE // surface is trnaslucent, but still needs a fog pass (fog surface)
-} fogPass_t;
-
-typedef struct {
- float cloudHeight;
- image_t *outerbox[6], *innerbox[6];
-} skyParms_t;
-
-typedef struct {
- vec3_t color;
- float depthForOpaque;
-} fogParms_t;
-
-
-typedef struct shader_s {
- char name[MAX_QPATH]; // game path, including extension
- int lightmapIndex; // for a shader to match, both name and lightmapIndex must match
-
- int index; // this shader == tr.shaders[index]
- int sortedIndex; // this shader == tr.sortedShaders[sortedIndex]
-
- float sort; // lower numbered shaders draw before higher numbered
-
- qboolean defaultShader; // we want to return index 0 if the shader failed to
- // load for some reason, but R_FindShader should
- // still keep a name allocated for it, so if
- // something calls RE_RegisterShader again with
- // the same name, we don't try looking for it again
-
- qboolean explicitlyDefined; // found in a .shader file
-
- int surfaceFlags; // if explicitlyDefined, this will have SURF_* flags
- int contentFlags;
-
- qboolean entityMergable; // merge across entites optimizable (smoke, blood)
-
- qboolean isSky;
- skyParms_t sky;
- fogParms_t fogParms;
-
- float portalRange; // distance to fog out at
-
- int multitextureEnv; // 0, GL_MODULATE, GL_ADD (FIXME: put in stage)
-
- cullType_t cullType; // CT_FRONT_SIDED, CT_BACK_SIDED, or CT_TWO_SIDED
- qboolean polygonOffset; // set for decals and other items that must be offset
- qboolean noMipMaps; // for console fonts, 2D elements, etc.
- qboolean noPicMip; // for images that must always be full resolution
-
- fogPass_t fogPass; // draw a blended pass, possibly with depth test equals
-
- qboolean needsNormal; // not all shaders will need all data to be gathered
- qboolean needsST1;
- qboolean needsST2;
- qboolean needsColor;
-
- int numDeforms;
- deformStage_t deforms[MAX_SHADER_DEFORMS];
-
- int numUnfoggedPasses;
- shaderStage_t *stages[MAX_SHADER_STAGES];
-
- void (*optimalStageIteratorFunc)( void );
-
- float clampTime; // time this shader is clamped to
- float timeOffset; // current time offset for this shader
-
- int numStates; // if non-zero this is a state shader
- struct shader_s *currentShader; // current state if this is a state shader
- struct shader_s *parentShader; // current state if this is a state shader
- int currentState; // current state index for cycle purposes
- long expireTime; // time in milliseconds this expires
-
- struct shader_s *remappedShader; // current shader this one is remapped too
-
- int shaderStates[MAX_STATES_PER_SHADER]; // index to valid shader states
-
- struct shader_s *next;
-} shader_t;
-
-typedef struct shaderState_s {
- char shaderName[MAX_QPATH]; // name of shader this state belongs to
- char name[MAX_STATE_NAME]; // name of this state
- char stateShader[MAX_QPATH]; // shader this name invokes
- int cycleTime; // time this cycle lasts, <= 0 is forever
- shader_t *shader;
-} shaderState_t;
-
-
-// trRefdef_t holds everything that comes in refdef_t,
-// as well as the locally generated scene information
-typedef struct {
- int x, y, width, height;
- float fov_x, fov_y;
- vec3_t vieworg;
- vec3_t viewaxis[3]; // transformation matrix
-
- stereoFrame_t stereoFrame;
-
- int time; // time in milliseconds for shader effects and other time dependent rendering issues
- int rdflags; // RDF_NOWORLDMODEL, etc
-
- // 1 bits will prevent the associated area from rendering at all
- byte areamask[MAX_MAP_AREA_BYTES];
- qboolean areamaskModified; // qtrue if areamask changed since last scene
-
- float floatTime; // tr.refdef.time / 1000.0
-
- // text messages for deform text shaders
- char text[MAX_RENDER_STRINGS][MAX_RENDER_STRING_LENGTH];
-
- int num_entities;
- trRefEntity_t *entities;
-
- int num_dlights;
- struct dlight_s *dlights;
-
- int numPolys;
- struct srfPoly_s *polys;
-
- int numDrawSurfs;
- struct drawSurf_s *drawSurfs;
-
-
-} trRefdef_t;
-
-
-//=================================================================================
-
-// skins allow models to be retextured without modifying the model file
-typedef struct {
- char name[MAX_QPATH];
- shader_t *shader;
-} skinSurface_t;
-
-typedef struct skin_s {
- char name[MAX_QPATH]; // game path, including extension
- int numSurfaces;
- skinSurface_t *surfaces[MD3_MAX_SURFACES];
-} skin_t;
-
-
-typedef struct {
- int originalBrushNumber;
- vec3_t bounds[2];
-
- unsigned colorInt; // in packed byte format
- float tcScale; // texture coordinate vector scales
- fogParms_t parms;
-
- // for clipping distance in fog when outside
- qboolean hasSurface;
- float surface[4];
-} fog_t;
-
-typedef struct {
- orientationr_t or;
- orientationr_t world;
- vec3_t pvsOrigin; // may be different than or.origin for portals
- qboolean isPortal; // true if this view is through a portal
- qboolean isMirror; // the portal is a mirror, invert the face culling
- int frameSceneNum; // copied from tr.frameSceneNum
- int frameCount; // copied from tr.frameCount
- cplane_t portalPlane; // clip anything behind this if mirroring
- int viewportX, viewportY, viewportWidth, viewportHeight;
- float fovX, fovY;
- float projectionMatrix[16];
- cplane_t frustum[4];
- vec3_t visBounds[2];
- float zFar;
- stereoFrame_t stereoFrame;
-} viewParms_t;
-
-
-/*
-==============================================================================
-
-SURFACES
-
-==============================================================================
-*/
-
-// any changes in surfaceType must be mirrored in rb_surfaceTable[]
-typedef enum {
- SF_BAD,
- SF_SKIP, // ignore
- SF_FACE,
- SF_GRID,
- SF_TRIANGLES,
- SF_POLY,
- SF_MD3,
- SF_MD4,
-#ifdef RAVENMD4
- SF_MDR,
-#endif
- SF_IQM,
- SF_FLARE,
- SF_ENTITY, // beams, rails, lightning, etc that can be determined by entity
- SF_DISPLAY_LIST,
-
- SF_NUM_SURFACE_TYPES,
- SF_MAX = 0x7fffffff // ensures that sizeof( surfaceType_t ) == sizeof( int )
-} surfaceType_t;
-
-typedef struct drawSurf_s {
- unsigned sort; // bit combination for fast compares
- surfaceType_t *surface; // any of surface*_t
-} drawSurf_t;
-
-#define MAX_FACE_POINTS 64
-
-#define MAX_PATCH_SIZE 32 // max dimensions of a patch mesh in map file
-#define MAX_GRID_SIZE 65 // max dimensions of a grid mesh in memory
-
-// when cgame directly specifies a polygon, it becomes a srfPoly_t
-// as soon as it is called
-typedef struct srfPoly_s {
- surfaceType_t surfaceType;
- qhandle_t hShader;
- int fogIndex;
- int numVerts;
- polyVert_t *verts;
-} srfPoly_t;
-
-typedef struct srfDisplayList_s {
- surfaceType_t surfaceType;
- int listNum;
-} srfDisplayList_t;
-
-
-typedef struct srfFlare_s {
- surfaceType_t surfaceType;
- vec3_t origin;
- vec3_t normal;
- vec3_t color;
-} srfFlare_t;
-
-typedef struct srfGridMesh_s {
- surfaceType_t surfaceType;
-
- // dynamic lighting information
- int dlightBits;
-
- // culling information
- vec3_t meshBounds[2];
- vec3_t localOrigin;
- float meshRadius;
-
- // lod information, which may be different
- // than the culling information to allow for
- // groups of curves that LOD as a unit
- vec3_t lodOrigin;
- float lodRadius;
- int lodFixed;
- int lodStitched;
-
- // vertexes
- int width, height;
- float *widthLodError;
- float *heightLodError;
- drawVert_t verts[1]; // variable sized
-} srfGridMesh_t;
-
-
-
-#define VERTEXSIZE 8
-typedef struct {
- surfaceType_t surfaceType;
- cplane_t plane;
-
- // dynamic lighting information
- int dlightBits;
-
- // triangle definitions (no normals at points)
- int numPoints;
- int numIndices;
- int ofsIndices;
- float points[1][VERTEXSIZE]; // variable sized
- // there is a variable length list of indices here also
-} srfSurfaceFace_t;
-
-
-// misc_models in maps are turned into direct geometry by q3map
-typedef struct {
- surfaceType_t surfaceType;
-
- // dynamic lighting information
- int dlightBits;
-
- // culling information (FIXME: use this!)
- vec3_t bounds[2];
- vec3_t localOrigin;
- float radius;
-
- // triangle definitions
- int numIndexes;
- int *indexes;
-
- int numVerts;
- drawVert_t *verts;
-} srfTriangles_t;
-
-// inter-quake-model
-typedef struct {
- int num_vertexes;
- int num_triangles;
- int num_frames;
- int num_surfaces;
- int num_joints;
- struct srfIQModel_s *surfaces;
-
- float *positions;
- float *texcoords;
- float *normals;
- float *tangents;
- byte *blendIndexes;
- byte *blendWeights;
- byte *colors;
- int *triangles;
-
- int *jointParents;
- float *poseMats;
- float *bounds;
- char *names;
-} iqmData_t;
-
-// inter-quake-model surface
-typedef struct srfIQModel_s {
- surfaceType_t surfaceType;
- char name[MAX_QPATH];
- shader_t *shader;
- iqmData_t *data;
- int first_vertex, num_vertexes;
- int first_triangle, num_triangles;
-} srfIQModel_t;
-
-
-extern void (*rb_surfaceTable[SF_NUM_SURFACE_TYPES])(void *);
-
-/*
-==============================================================================
-
-BRUSH MODELS
-
-==============================================================================
-*/
-
-
-//
-// in memory representation
-//
-
-#define SIDE_FRONT 0
-#define SIDE_BACK 1
-#define SIDE_ON 2
-
-typedef struct msurface_s {
- int viewCount; // if == tr.viewCount, already added
- struct shader_s *shader;
- int fogIndex;
-
- surfaceType_t *data; // any of srf*_t
-} msurface_t;
-
-
-
-#define CONTENTS_NODE -1
-typedef struct mnode_s {
- // common with leaf and node
- int contents; // -1 for nodes, to differentiate from leafs
- int visframe; // node needs to be traversed if current
- vec3_t mins, maxs; // for bounding box culling
- struct mnode_s *parent;
-
- // node specific
- cplane_t *plane;
- struct mnode_s *children[2];
-
- // leaf specific
- int cluster;
- int area;
-
- msurface_t **firstmarksurface;
- int nummarksurfaces;
-} mnode_t;
-
-typedef struct {
- vec3_t bounds[2]; // for culling
- msurface_t *firstSurface;
- int numSurfaces;
-} bmodel_t;
-
-typedef struct {
- char name[MAX_QPATH]; // ie: maps/tim_dm2.bsp
- char baseName[MAX_QPATH]; // ie: tim_dm2
-
- int dataSize;
-
- int numShaders;
- dshader_t *shaders;
-
- bmodel_t *bmodels;
-
- int numplanes;
- cplane_t *planes;
-
- int numnodes; // includes leafs
- int numDecisionNodes;
- mnode_t *nodes;
-
- int numsurfaces;
- msurface_t *surfaces;
-
- int nummarksurfaces;
- msurface_t **marksurfaces;
-
- int numfogs;
- fog_t *fogs;
-
- vec3_t lightGridOrigin;
- vec3_t lightGridSize;
- vec3_t lightGridInverseSize;
- int lightGridBounds[3];
- byte *lightGridData;
-
-
- int numClusters;
- int clusterBytes;
- const byte *vis; // may be passed in by CM_LoadMap to save space
-
- byte *novis; // clusterBytes of 0xff
-
- char *entityString;
- char *entityParsePoint;
-} world_t;
-
-//======================================================================
-
-typedef enum {
- MOD_BAD,
- MOD_BRUSH,
- MOD_MESH,
- MOD_MD4,
-#ifdef RAVENMD4
- MOD_MDR,
-#endif
- MOD_IQM
-} modtype_t;
-
-typedef struct model_s {
- char name[MAX_QPATH];
- modtype_t type;
- int index; // model = tr.models[model->index]
-
- int dataSize; // just for listing purposes
- bmodel_t *bmodel; // only if type == MOD_BRUSH
- md3Header_t *md3[MD3_MAX_LODS]; // only if type == MOD_MESH
- void *modelData; // only if type == (MOD_MD4 | MOD_MDR | MOD_IQM)
-
- int numLods;
-} model_t;
-
-
-#define MAX_MOD_KNOWN 1024
-
-void R_ModelInit (void);
-model_t *R_GetModelByHandle( qhandle_t hModel );
-int R_LerpTag( orientation_t *tag, qhandle_t handle, int startFrame, int endFrame,
- float frac, const char *tagName );
-void R_ModelBounds( qhandle_t handle, vec3_t mins, vec3_t maxs );
-
-void R_Modellist_f (void);
-
-//====================================================
-extern refimport_t ri;
-
-#define MAX_DRAWIMAGES 2048
-#define MAX_SKINS 1024
-
-
-#define MAX_DRAWSURFS 0x10000
-#define DRAWSURF_MASK (MAX_DRAWSURFS-1)
-
-/*
-
-the drawsurf sort data is packed into a single 32 bit value so it can be
-compared quickly during the qsorting process
-
-the bits are allocated as follows:
-
-0 - 1 : dlightmap index
-//2 : used to be clipped flag REMOVED - 03.21.00 rad
-2 - 6 : fog index
-11 - 20 : entity index
-21 - 31 : sorted shader index
-
- TTimo - 1.32
-0-1 : dlightmap index
-2-6 : fog index
-7-16 : entity index
-17-30 : sorted shader index
-*/
-#define QSORT_FOGNUM_SHIFT 2
-#define QSORT_REFENTITYNUM_SHIFT 7
-#define QSORT_SHADERNUM_SHIFT (QSORT_REFENTITYNUM_SHIFT+REFENTITYNUM_BITS)
-#if (QSORT_SHADERNUM_SHIFT+SHADERNUM_BITS) > 32
- #error "Need to update sorting, too many bits."
-#endif
-
-extern int gl_filter_min, gl_filter_max;
-
-/*
-** performanceCounters_t
-*/
-typedef struct {
- int c_sphere_cull_patch_in, c_sphere_cull_patch_clip, c_sphere_cull_patch_out;
- int c_box_cull_patch_in, c_box_cull_patch_clip, c_box_cull_patch_out;
- int c_sphere_cull_md3_in, c_sphere_cull_md3_clip, c_sphere_cull_md3_out;
- int c_box_cull_md3_in, c_box_cull_md3_clip, c_box_cull_md3_out;
-
- int c_leafs;
- int c_dlightSurfaces;
- int c_dlightSurfacesCulled;
-} frontEndCounters_t;
-
-#define FOG_TABLE_SIZE 256
-#define FUNCTABLE_SIZE 1024
-#define FUNCTABLE_SIZE2 10
-#define FUNCTABLE_MASK (FUNCTABLE_SIZE-1)
-
-
-// the renderer front end should never modify glstate_t
-typedef struct {
- int currenttextures[2];
- int currenttmu;
- qboolean finishCalled;
- int texEnv[2];
- int faceCulling;
- unsigned long glStateBits;
-} glstate_t;
-
-
-typedef struct {
- int c_surfaces, c_shaders, c_vertexes, c_indexes, c_totalIndexes;
- float c_overDraw;
-
- int c_dlightVertexes;
- int c_dlightIndexes;
-
- int c_flareAdds;
- int c_flareTests;
- int c_flareRenders;
-
- int msec; // total msec for backend run
-} backEndCounters_t;
-
-// all state modified by the back end is seperated
-// from the front end state
-typedef struct {
- trRefdef_t refdef;
- viewParms_t viewParms;
- orientationr_t or;
- backEndCounters_t pc;
- qboolean isHyperspace;
- trRefEntity_t *currentEntity;
- qboolean skyRenderedThisView; // flag for drawing sun
-
- qboolean projection2D; // if qtrue, drawstretchpic doesn't need to change modes
- byte color2D[4];
- qboolean vertexes2D; // shader needs to be finished
- trRefEntity_t entity2D; // currentEntity will point at this when doing 2D rendering
-} backEndState_t;
-
-/*
-** trGlobals_t
-**
-** Most renderer globals are defined here.
-** backend functions should never modify any of these fields,
-** but may read fields that aren't dynamically modified
-** by the frontend.
-*/
-typedef struct {
- qboolean registered; // cleared at shutdown, set at beginRegistration
-
- int visCount; // incremented every time a new vis cluster is entered
- int frameCount; // incremented every frame
- int sceneCount; // incremented every scene
- int viewCount; // incremented every view (twice a scene if portaled)
- // and every R_MarkFragments call
-
- int frameSceneNum; // zeroed at RE_BeginFrame
-
- qboolean worldMapLoaded;
- world_t *world;
-
- const byte *externalVisData; // from RE_SetWorldVisData, shared with CM_Load
-
- image_t *defaultImage;
- image_t *scratchImage[32];
- image_t *fogImage;
- image_t *dlightImage; // inverse-quare highlight for projective adding
- image_t *flareImage;
- image_t *whiteImage; // full of 0xff
- image_t *identityLightImage; // full of tr.identityLightByte
-
- shader_t *defaultShader;
- shader_t *shadowShader;
- shader_t *projectionShadowShader;
-
- shader_t *flareShader;
- shader_t *sunShader;
-
- int numLightmaps;
- image_t **lightmaps;
-
- trRefEntity_t *currentEntity;
- trRefEntity_t worldEntity; // point currentEntity at this when rendering world
- int currentEntityNum;
- int shiftedEntityNum; // currentEntityNum << QSORT_REFENTITYNUM_SHIFT
- model_t *currentModel;
-
- viewParms_t viewParms;
-
- float identityLight; // 1.0 / ( 1 << overbrightBits )
- int identityLightByte; // identityLight * 255
- int overbrightBits; // r_overbrightBits->integer, but set to 0 if no hw gamma
-
- orientationr_t or; // for current entity
-
- trRefdef_t refdef;
-
- int viewCluster;
-
- vec3_t sunLight; // from the sky shader for this level
- vec3_t sunDirection;
-
- frontEndCounters_t pc;
- int frontEndMsec; // not in pc due to clearing issue
-
- vec4_t clipRegion; // 2D clipping region
-
- //
- // put large tables at the end, so most elements will be
- // within the +/32K indexed range on risc processors
- //
- model_t *models[MAX_MOD_KNOWN];
- int numModels;
-
- int numImages;
- image_t *images[MAX_DRAWIMAGES];
-
- // shader indexes from other modules will be looked up in tr.shaders[]
- // shader indexes from drawsurfs will be looked up in sortedShaders[]
- // lower indexed sortedShaders must be rendered first (opaque surfaces before translucent)
- int numShaders;
- shader_t *shaders[MAX_SHADERS];
- shader_t *sortedShaders[MAX_SHADERS];
-
- int numSkins;
- skin_t *skins[MAX_SKINS];
-
- float sinTable[FUNCTABLE_SIZE];
- float squareTable[FUNCTABLE_SIZE];
- float triangleTable[FUNCTABLE_SIZE];
- float sawToothTable[FUNCTABLE_SIZE];
- float inverseSawToothTable[FUNCTABLE_SIZE];
- float fogTable[FOG_TABLE_SIZE];
-} trGlobals_t;
-
-extern backEndState_t backEnd;
-extern trGlobals_t tr;
-extern glconfig_t glConfig; // outside of TR since it shouldn't be cleared during ref re-init
-extern glstate_t glState; // outside of TR since it shouldn't be cleared during ref re-init
-
-
-//
-// cvars
-//
-extern cvar_t *r_flareSize;
-extern cvar_t *r_flareFade;
-// coefficient for the flare intensity falloff function.
-#define FLARE_STDCOEFF "150"
-extern cvar_t *r_flareCoeff;
-
-extern cvar_t *r_railWidth;
-extern cvar_t *r_railCoreWidth;
-extern cvar_t *r_railSegmentLength;
-
-extern cvar_t *r_ignore; // used for debugging anything
-extern cvar_t *r_verbose; // used for verbose debug spew
-extern cvar_t *r_ignoreFastPath; // allows us to ignore our Tess fast paths
-
-extern cvar_t *r_znear; // near Z clip plane
-extern cvar_t *r_zproj; // z distance of projection plane
-extern cvar_t *r_stereoSeparation; // separation of cameras for stereo rendering
-
-extern cvar_t *r_stencilbits; // number of desired stencil bits
-extern cvar_t *r_depthbits; // number of desired depth bits
-extern cvar_t *r_colorbits; // number of desired color bits, only relevant for fullscreen
-extern cvar_t *r_texturebits; // number of desired texture bits
-extern cvar_t *r_ext_multisample;
- // 0 = use framebuffer depth
- // 16 = use 16-bit textures
- // 32 = use 32-bit textures
- // all else = error
-
-extern cvar_t *r_measureOverdraw; // enables stencil buffer overdraw measurement
-
-extern cvar_t *r_lodbias; // push/pull LOD transitions
-extern cvar_t *r_lodscale;
-
-extern cvar_t *r_primitives; // "0" = based on compiled vertex array existance
- // "1" = glDrawElemet tristrips
- // "2" = glDrawElements triangles
- // "-1" = no drawing
-
-extern cvar_t *r_inGameVideo; // controls whether in game video should be draw
-extern cvar_t *r_fastsky; // controls whether sky should be cleared or drawn
-extern cvar_t *r_drawSun; // controls drawing of sun quad
-extern cvar_t *r_dynamiclight; // dynamic lights enabled/disabled
-extern cvar_t *r_dlightBacks; // dlight non-facing surfaces for continuity
-
-extern cvar_t *r_norefresh; // bypasses the ref rendering
-extern cvar_t *r_drawentities; // disable/enable entity rendering
-extern cvar_t *r_drawworld; // disable/enable world rendering
-extern cvar_t *r_speeds; // various levels of information display
-extern cvar_t *r_detailTextures; // enables/disables detail texturing stages
-extern cvar_t *r_novis; // disable/enable usage of PVS
-extern cvar_t *r_nocull;
-extern cvar_t *r_facePlaneCull; // enables culling of planar surfaces with back side test
-extern cvar_t *r_nocurves;
-extern cvar_t *r_showcluster;
-
-extern cvar_t *r_width;
-extern cvar_t *r_height;
-extern cvar_t *r_pixelAspect;
-
-extern cvar_t *r_fullscreen;
-extern cvar_t *r_noborder;
-extern cvar_t *r_gamma;
-extern cvar_t *r_ignorehwgamma; // overrides hardware gamma capabilities
-
-extern cvar_t *r_allowExtensions; // global enable/disable of OpenGL extensions
-extern cvar_t *r_ext_compressed_textures; // these control use of specific extensions
-extern cvar_t *r_ext_multitexture;
-extern cvar_t *r_ext_compiled_vertex_array;
-extern cvar_t *r_ext_texture_env_add;
-
-extern cvar_t *r_ext_texture_filter_anisotropic;
-extern cvar_t *r_ext_max_anisotropy;
-
-extern cvar_t *r_nobind; // turns off binding to appropriate textures
-extern cvar_t *r_singleShader; // make most world faces use default shader
-extern cvar_t *r_roundImagesDown;
-extern cvar_t *r_colorMipLevels; // development aid to see texture mip usage
-extern cvar_t *r_picmip; // controls picmip values
-extern cvar_t *r_finish;
-extern cvar_t *r_drawBuffer;
-extern cvar_t *r_swapInterval;
-extern cvar_t *r_textureMode;
-extern cvar_t *r_offsetFactor;
-extern cvar_t *r_offsetUnits;
-
-extern cvar_t *r_fullbright; // avoid lightmap pass
-extern cvar_t *r_lightmap; // render lightmaps only
-extern cvar_t *r_vertexLight; // vertex lighting mode for better performance
-extern cvar_t *r_uiFullScreen; // ui is running fullscreen
-
-extern cvar_t *r_logFile; // number of frames to emit GL logs
-extern cvar_t *r_showtris; // enables wireframe rendering of the world
-extern cvar_t *r_showsky; // forces sky in front of all surfaces
-extern cvar_t *r_shownormals; // draws wireframe normals
-extern cvar_t *r_clear; // force screen clear every frame
-
-extern cvar_t *r_shadows; // controls shadows: 0 = none, 1 = blur, 2 = stencil, 3 = black planar projection
-extern cvar_t *r_flares; // light flares
-
-extern cvar_t *r_intensity;
-
-extern cvar_t *r_lockpvs;
-extern cvar_t *r_noportals;
-extern cvar_t *r_portalOnly;
-
-extern cvar_t *r_subdivisions;
-extern cvar_t *r_lodCurveError;
-extern cvar_t *r_skipBackEnd;
-
-extern cvar_t *r_stereoEnabled;
-extern cvar_t *r_anaglyphMode;
-
-extern cvar_t *r_greyscale;
-
-extern cvar_t *r_ignoreGLErrors;
-
-extern cvar_t *r_overBrightBits;
-extern cvar_t *r_mapOverBrightBits;
-
-extern cvar_t *r_debugSurface;
-extern cvar_t *r_simpleMipMaps;
-
-extern cvar_t *r_showImages;
-extern cvar_t *r_debugSort;
-
-extern cvar_t *r_printShaders;
-extern cvar_t *r_saveFontData;
-
-extern cvar_t *r_marksOnTriangleMeshes;
-
-//====================================================================
-
-float R_NoiseGet4f( float x, float y, float z, float t );
-void R_NoiseInit( void );
-
-void R_SwapBuffers( int );
-
-void R_RenderView( viewParms_t *parms );
-
-void R_AddMD3Surfaces( trRefEntity_t *e );
-void R_AddNullModelSurfaces( trRefEntity_t *e );
-void R_AddBeamSurfaces( trRefEntity_t *e );
-void R_AddRailSurfaces( trRefEntity_t *e, qboolean isUnderwater );
-void R_AddLightningBoltSurfaces( trRefEntity_t *e );
-
-void R_AddPolygonSurfaces( void );
-
-void R_DecomposeSort( unsigned sort, int *entityNum, shader_t **shader,
- int *fogNum, int *dlightMap );
-
-void R_AddDrawSurf( surfaceType_t *surface, shader_t *shader, int fogIndex, int dlightMap );
-
-
-#define CULL_IN 0 // completely unclipped
-#define CULL_CLIP 1 // clipped by one or more planes
-#define CULL_OUT 2 // completely outside the clipping planes
-void R_LocalNormalToWorld (vec3_t local, vec3_t world);
-void R_LocalPointToWorld (vec3_t local, vec3_t world);
-int R_CullLocalBox (vec3_t bounds[2]);
-int R_CullPointAndRadius( vec3_t origin, float radius );
-int R_CullLocalPointAndRadius( vec3_t origin, float radius );
-
-void R_SetupProjection(viewParms_t *dest, float zProj, qboolean computeFrustum);
-void R_RotateForEntity( const trRefEntity_t *ent, const viewParms_t *viewParms, orientationr_t *or );
-
-/*
-** GL wrapper/helper functions
-*/
-void GL_Bind( image_t *image );
-void GL_SetDefaultState (void);
-void GL_SelectTexture( int unit );
-void GL_TextureMode( const char *string );
-void GL_CheckErrors( void );
-void GL_State( unsigned long stateVector );
-void GL_TexEnv( int env );
-void GL_Cull( int cullType );
-
-#define GLS_SRCBLEND_ZERO 0x00000001
-#define GLS_SRCBLEND_ONE 0x00000002
-#define GLS_SRCBLEND_DST_COLOR 0x00000003
-#define GLS_SRCBLEND_ONE_MINUS_DST_COLOR 0x00000004
-#define GLS_SRCBLEND_SRC_ALPHA 0x00000005
-#define GLS_SRCBLEND_ONE_MINUS_SRC_ALPHA 0x00000006
-#define GLS_SRCBLEND_DST_ALPHA 0x00000007
-#define GLS_SRCBLEND_ONE_MINUS_DST_ALPHA 0x00000008
-#define GLS_SRCBLEND_ALPHA_SATURATE 0x00000009
-#define GLS_SRCBLEND_BITS 0x0000000f
-
-#define GLS_DSTBLEND_ZERO 0x00000010
-#define GLS_DSTBLEND_ONE 0x00000020
-#define GLS_DSTBLEND_SRC_COLOR 0x00000030
-#define GLS_DSTBLEND_ONE_MINUS_SRC_COLOR 0x00000040
-#define GLS_DSTBLEND_SRC_ALPHA 0x00000050
-#define GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA 0x00000060
-#define GLS_DSTBLEND_DST_ALPHA 0x00000070
-#define GLS_DSTBLEND_ONE_MINUS_DST_ALPHA 0x00000080
-#define GLS_DSTBLEND_BITS 0x000000f0
-
-#define GLS_DEPTHMASK_TRUE 0x00000100
-
-#define GLS_POLYMODE_LINE 0x00001000
-
-#define GLS_DEPTHTEST_DISABLE 0x00010000
-#define GLS_DEPTHFUNC_EQUAL 0x00020000
-
-#define GLS_ATEST_GT_0 0x10000000
-#define GLS_ATEST_LT_80 0x20000000
-#define GLS_ATEST_GE_80 0x40000000
-#define GLS_ATEST_BITS 0x70000000
-
-#define GLS_DEFAULT GLS_DEPTHMASK_TRUE
-
-void RE_StretchRaw (int x, int y, int w, int h, int cols, int rows, const byte *data, int client, qboolean dirty);
-void RE_UploadCinematic (int w, int h, int cols, int rows, const byte *data, int client, qboolean dirty);
-
-void RE_BeginFrame( stereoFrame_t stereoFrame );
-void RE_BeginRegistration( glconfig_t *glconfig );
-void RE_LoadWorldMap( const char *mapname );
-void RE_SetWorldVisData( const byte *vis );
-qhandle_t RE_RegisterModel( const char *name );
-qhandle_t RE_RegisterSkin( const char *name );
-void RE_Shutdown( qboolean destroyWindow );
-
-qboolean R_GetEntityToken( char *buffer, int size );
-
-model_t *R_AllocModel( void );
-
-void R_Init( void );
-image_t *R_FindImageFile( const char *name, qboolean mipmap, qboolean allowPicmip, int glWrapClampMode );
-
-image_t *R_CreateImage( const char *name, const byte *pic, int width, int height, qboolean mipmap,
- qboolean allowPicmip, int wrapClampMode );
-
-void R_SetColorMappings( void );
-void R_GammaCorrect( byte *buffer, int bufSize );
-
-void R_ImageList_f( void );
-void R_SkinList_f( void );
-// https://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=516
-const void *RB_TakeScreenshotCmd( const void *data );
-void R_ScreenShot_f( void );
-
-void R_InitFogTable( void );
-float R_FogFactor( float s, float t );
-void R_InitImages( void );
-void R_DeleteTextures( void );
-int R_SumOfUsedImages( void );
-void R_InitSkins( void );
-skin_t *R_GetSkinByHandle( qhandle_t hSkin );
-
-int R_ComputeLOD( trRefEntity_t *ent );
-
-const void *RB_TakeVideoFrameCmd( const void *data );
-
-//
-// tr_shader.c
-//
-qhandle_t RE_RegisterShaderLightMap( const char *name, int lightmapIndex );
-qhandle_t RE_RegisterShader( const char *name );
-qhandle_t RE_RegisterShaderNoMip( const char *name );
-qhandle_t RE_RegisterShaderFromImage(const char *name, int lightmapIndex, image_t *image, qboolean mipRawImage);
-
-shader_t *R_FindShader( const char *name, int lightmapIndex, qboolean mipRawImage );
-shader_t *R_GetShaderByHandle( qhandle_t hShader );
-shader_t *R_GetShaderByState( int index, long *cycleTime );
-shader_t *R_FindShaderByName( const char *name );
-void R_InitShaders( void );
-void R_ShaderList_f( void );
-void R_RemapShader(const char *oldShader, const char *newShader, const char *timeOffset);
-
-/*
-====================================================================
-
-IMPLEMENTATION SPECIFIC FUNCTIONS
-
-====================================================================
-*/
-
-void GLimp_Init( void );
-void GLimp_Shutdown( void );
-void GLimp_EndFrame( void );
-
-void GLimp_LogComment( char *comment );
-void GLimp_Minimize(void);
-
-// NOTE TTimo linux works with float gamma value, not the gamma table
-// the params won't be used, getting the r_gamma cvar directly
-void GLimp_SetGamma( unsigned char red[256],
- unsigned char green[256],
- unsigned char blue[256] );
-
-void GL_ResolveHardwareType( void );
-
-/*
-====================================================================
-
-TESSELATOR/SHADER DECLARATIONS
-
-====================================================================
-*/
-typedef byte color4ub_t[4];
-
-typedef struct stageVars
-{
- color4ub_t colors[SHADER_MAX_VERTEXES];
- vec2_t texcoords[NUM_TEXTURE_BUNDLES][SHADER_MAX_VERTEXES];
-} stageVars_t;
-
-
-typedef struct shaderCommands_s
-{
- glIndex_t indexes[SHADER_MAX_INDEXES] QALIGN(16);
- vec4_t xyz[SHADER_MAX_VERTEXES] QALIGN(16);
- vec4_t normal[SHADER_MAX_VERTEXES] QALIGN(16);
- vec2_t texCoords[SHADER_MAX_VERTEXES][2] QALIGN(16);
- color4ub_t vertexColors[SHADER_MAX_VERTEXES] QALIGN(16);
- int vertexDlightBits[SHADER_MAX_VERTEXES] QALIGN(16);
-
- stageVars_t svars QALIGN(16);
-
- color4ub_t constantColor255[SHADER_MAX_VERTEXES] QALIGN(16);
-
- shader_t *shader;
- float shaderTime;
- int fogNum;
-
- int dlightBits; // or together of all vertexDlightBits
-
- int numIndexes;
- int numVertexes;
-
- // info extracted from current shader
- int numPasses;
- void (*currentStageIteratorFunc)( void );
- shaderStage_t **xstages;
-} shaderCommands_t;
-
-extern shaderCommands_t tess;
-
-void RB_BeginSurface(shader_t *shader, int fogNum );
-void RB_EndSurface(void);
-void RB_CheckOverflow( int verts, int indexes );
-#define RB_CHECKOVERFLOW(v,i) if (tess.numVertexes + (v) >= SHADER_MAX_VERTEXES || tess.numIndexes + (i) >= SHADER_MAX_INDEXES ) {RB_CheckOverflow(v,i);}
-
-void RB_StageIteratorGeneric( void );
-void RB_StageIteratorSky( void );
-void RB_StageIteratorVertexLitTexture( void );
-void RB_StageIteratorLightmappedMultitexture( void );
-
-void RB_AddQuadStamp( vec3_t origin, vec3_t left, vec3_t up, byte *color );
-void RB_AddQuadStampExt( vec3_t origin, vec3_t left, vec3_t up, byte *color, float s1, float t1, float s2, float t2 );
-
-void RB_ShowImages( void );
-
-
-/*
-============================================================
-
-WORLD MAP
-
-============================================================
-*/
-
-void R_AddBrushModelSurfaces( trRefEntity_t *e );
-void R_AddWorldSurfaces( void );
-qboolean R_inPVS( const vec3_t p1, const vec3_t p2 );
-
-
-/*
-============================================================
-
-FLARES
-
-============================================================
-*/
-
-void R_ClearFlares( void );
-
-void RB_AddFlare( void *surface, int fogNum, vec3_t point, vec3_t color, vec3_t normal );
-void RB_AddDlightFlares( void );
-void RB_RenderFlares (void);
-
-/*
-============================================================
-
-LIGHTS
-
-============================================================
-*/
-
-void R_DlightBmodel( bmodel_t *bmodel );
-void R_SetupEntityLighting( const trRefdef_t *refdef, trRefEntity_t *ent );
-void R_TransformDlights( int count, dlight_t *dl, orientationr_t *or );
-int R_LightForPoint( vec3_t point, vec3_t ambientLight, vec3_t directedLight, vec3_t lightDir );
-
-
-/*
-============================================================
-
-SHADOWS
-
-============================================================
-*/
-
-void RB_ShadowTessEnd( void );
-void RB_ShadowFinish( void );
-void RB_ProjectionShadowDeform( void );
-
-/*
-============================================================
-
-SKIES
-
-============================================================
-*/
-
-void R_BuildCloudData( shaderCommands_t *shader );
-void R_InitSkyTexCoords( float cloudLayerHeight );
-void R_DrawSkyBox( shaderCommands_t *shader );
-void RB_DrawSun( void );
-void RB_ClipSkyPolygons( shaderCommands_t *shader );
-
-/*
-============================================================
-
-CURVE TESSELATION
-
-============================================================
-*/
-
-#define PATCH_STITCHING
-
-srfGridMesh_t *R_SubdividePatchToGrid( int width, int height,
- drawVert_t points[MAX_PATCH_SIZE*MAX_PATCH_SIZE] );
-srfGridMesh_t *R_GridInsertColumn( srfGridMesh_t *grid, int column, int row, vec3_t point, float loderror );
-srfGridMesh_t *R_GridInsertRow( srfGridMesh_t *grid, int row, int column, vec3_t point, float loderror );
-void R_FreeSurfaceGridMesh( srfGridMesh_t *grid );
-
-/*
-============================================================
-
-MARKERS, POLYGON PROJECTION ON WORLD POLYGONS
-
-============================================================
-*/
-
-int R_MarkFragments( int numPoints, const vec3_t *points, const vec3_t projection,
- int maxPoints, vec3_t pointBuffer, int maxFragments, markFragment_t *fragmentBuffer );
-
-
-/*
-============================================================
-
-SCENE GENERATION
-
-============================================================
-*/
-
-void R_InitNextFrame( void );
-
-void RE_ClearScene( void );
-void RE_AddRefEntityToScene( const refEntity_t *ent );
-void RE_AddPolyToScene( qhandle_t hShader , int numVerts, const polyVert_t *verts, int num );
-void RE_AddLightToScene( const vec3_t org, float intensity, float r, float g, float b );
-void RE_AddAdditiveLightToScene( const vec3_t org, float intensity, float r, float g, float b );
-void RE_RenderScene( const refdef_t *fd );
-
-#ifdef RAVENMD4
-/*
-=============================================================
-
-UNCOMPRESSING BONES
-
-=============================================================
-*/
-
-#define MC_BITS_X (16)
-#define MC_BITS_Y (16)
-#define MC_BITS_Z (16)
-#define MC_BITS_VECT (16)
-
-#define MC_SCALE_X (1.0f/64)
-#define MC_SCALE_Y (1.0f/64)
-#define MC_SCALE_Z (1.0f/64)
-
-void MC_UnCompress(float mat[3][4],const unsigned char * comp);
-#endif
-
-/*
-=============================================================
-
-ANIMATED MODELS
-
-=============================================================
-*/
-
-// void R_MakeAnimModel( model_t *model ); haven't seen this one really, so not needed I guess.
-void R_AddAnimSurfaces( trRefEntity_t *ent );
-void RB_SurfaceAnim( md4Surface_t *surfType );
-#ifdef RAVENMD4
-void R_MDRAddAnimSurfaces( trRefEntity_t *ent );
-void RB_MDRSurfaceAnim( md4Surface_t *surface );
-#endif
-qboolean R_LoadIQM (model_t *mod, void *buffer, int filesize, const char *name );
-void R_AddIQMSurfaces( trRefEntity_t *ent );
-void RB_IQMSurfaceAnim( surfaceType_t *surface );
-int R_IQMLerpTag( orientation_t *tag, iqmData_t *data,
- int startFrame, int endFrame,
- float frac, const char *tagName );
-
-/*
-=============================================================
-
-IMAGE LOADERS
-
-=============================================================
-*/
-
-void R_LoadBMP( const char *name, byte **pic, int *width, int *height );
-void R_LoadJPG( const char *name, byte **pic, int *width, int *height );
-void R_LoadPCX( const char *name, byte **pic, int *width, int *height );
-void R_LoadPNG( const char *name, byte **pic, int *width, int *height );
-void R_LoadTGA( const char *name, byte **pic, int *width, int *height );
-
-/*
-=============================================================
-=============================================================
-*/
-void R_TransformModelToClip( const vec3_t src, const float *modelMatrix, const float *projectionMatrix,
- vec4_t eye, vec4_t dst );
-void R_TransformClipToWindow( const vec4_t clip, const viewParms_t *view, vec4_t normalized, vec4_t window );
-
-void RB_DeformTessGeometry( void );
-
-void RB_CalcEnvironmentTexCoords( float *dstTexCoords );
-void RB_CalcFogTexCoords( float *dstTexCoords );
-void RB_CalcScrollTexCoords( const float scroll[2], float *dstTexCoords );
-void RB_CalcRotateTexCoords( float rotSpeed, float *dstTexCoords );
-void RB_CalcScaleTexCoords( const float scale[2], float *dstTexCoords );
-void RB_CalcTurbulentTexCoords( const waveForm_t *wf, float *dstTexCoords );
-void RB_CalcTransformTexCoords( const texModInfo_t *tmi, float *dstTexCoords );
-void RB_CalcModulateColorsByFog( unsigned char *dstColors );
-void RB_CalcModulateAlphasByFog( unsigned char *dstColors );
-void RB_CalcModulateRGBAsByFog( unsigned char *dstColors );
-void RB_CalcWaveAlpha( const waveForm_t *wf, unsigned char *dstColors );
-void RB_CalcWaveColor( const waveForm_t *wf, unsigned char *dstColors );
-void RB_CalcAlphaFromEntity( unsigned char *dstColors );
-void RB_CalcAlphaFromOneMinusEntity( unsigned char *dstColors );
-void RB_CalcStretchTexCoords( const waveForm_t *wf, float *texCoords );
-void RB_CalcColorFromEntity( unsigned char *dstColors );
-void RB_CalcColorFromOneMinusEntity( unsigned char *dstColors );
-void RB_CalcSpecularAlpha( unsigned char *alphas );
-void RB_CalcDiffuseColor( unsigned char *colors );
-
-/*
-=============================================================
-
-RENDERER BACK END FUNCTIONS
-
-=============================================================
-*/
-
-void RB_ExecuteRenderCommands( const void *data );
-
-/*
-=============================================================
-
-RENDERER BACK END COMMAND QUEUE
-
-=============================================================
-*/
-
-#define MAX_RENDER_COMMANDS 0x40000
-
-typedef struct {
- byte cmds[MAX_RENDER_COMMANDS];
- int used;
-} renderCommandList_t;
-
-typedef struct {
- int commandId;
- float color[4];
-} setColorCommand_t;
-
-typedef struct {
- int commandId;
- int buffer;
-} drawBufferCommand_t;
-
-typedef struct {
- int commandId;
- image_t *image;
- int width;
- int height;
- void *data;
-} subImageCommand_t;
-
-typedef struct {
- int commandId;
-} swapBuffersCommand_t;
-
-typedef struct {
- int commandId;
- int buffer;
-} endFrameCommand_t;
-
-typedef struct {
- int commandId;
- shader_t *shader;
- float x, y;
- float w, h;
- float s1, t1;
- float s2, t2;
-} stretchPicCommand_t;
-
-typedef struct {
- int commandId;
- trRefdef_t refdef;
- viewParms_t viewParms;
- drawSurf_t *drawSurfs;
- int numDrawSurfs;
-} drawSurfsCommand_t;
-
-typedef struct {
- int commandId;
- int x;
- int y;
- int width;
- int height;
- char *fileName;
- qboolean jpeg;
-} screenshotCommand_t;
-
-typedef struct {
- int commandId;
- int width;
- int height;
- byte *captureBuffer;
- byte *encodeBuffer;
- qboolean motionJpeg;
-} videoFrameCommand_t;
-
-typedef struct
-{
- int commandId;
-
- GLboolean rgba[4];
-} colorMaskCommand_t;
-
-typedef struct
-{
- int commandId;
-} clearDepthCommand_t;
-
-typedef enum {
- RC_END_OF_LIST,
- RC_SET_COLOR,
- RC_STRETCH_PIC,
- RC_DRAW_SURFS,
- RC_DRAW_BUFFER,
- RC_SWAP_BUFFERS,
- RC_SCREENSHOT,
- RC_VIDEOFRAME,
- RC_COLORMASK,
- RC_CLEARDEPTH
-} renderCommand_t;
-
-
-// these are sort of arbitrary limits.
-// the limits apply to the sum of all scenes in a frame --
-// the main view, all the 3D icons, etc
-#define MAX_POLYS 600
-#define MAX_POLYVERTS 3000
-
-// all of the information needed by the back end must be
-// contained in a backEndData_t
-typedef struct {
- drawSurf_t drawSurfs[MAX_DRAWSURFS];
- dlight_t dlights[MAX_DLIGHTS];
- trRefEntity_t entities[MAX_REFENTITIES];
- srfPoly_t *polys;//[MAX_POLYS];
- polyVert_t *polyVerts;//[MAX_POLYVERTS];
- renderCommandList_t commands;
-} backEndData_t;
-
-extern int max_polys;
-extern int max_polyverts;
-
-extern backEndData_t *backEndData; // the second one may not be allocated
-
-extern volatile renderCommandList_t *renderCommandList;
-
-
-void *R_GetCommandBuffer( int bytes );
-void RB_ExecuteRenderCommands( const void *data );
-
-void R_IssuePendingRenderCommands( void );
-
-void R_AddDrawSurfCmd( drawSurf_t *drawSurfs, int numDrawSurfs );
-
-void RE_SetColor( const float *rgba );
-void RE_SetClipRegion( const float *region );
-void RE_StretchPic ( float x, float y, float w, float h,
- float s1, float t1, float s2, float t2, qhandle_t hShader );
-void RE_BeginFrame( stereoFrame_t stereoFrame );
-void RE_EndFrame( int *frontEndMsec, int *backEndMsec );
-void RE_SaveJPG(char * filename, int quality, int image_width, int image_height,
- unsigned char *image_buffer, int padding);
-size_t RE_SaveJPGToBuffer(byte *buffer, size_t bufSize, int quality,
- int image_width, int image_height, byte *image_buffer, int padding);
-void RE_TakeVideoFrame( int width, int height,
- byte *captureBuffer, byte *encodeBuffer, qboolean motionJpeg );
-
-// font stuff
-void R_InitFreeType( void );
-void R_DoneFreeType( void );
-void RE_RegisterFont(const char *fontName, int pointSize, fontInfo_t *font);
-
-
-#endif //TR_LOCAL_H
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