/* =========================================================================== Copyright (C) 1999-2005 Id Software, Inc. This file is part of Quake III Arena source code. Quake III Arena source code 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. Quake III Arena source code 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 Quake III Arena source code; 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 #define USE_LEGACY_DLIGHTS // vq3 dynamic lights #define USE_PMLIGHT // promode dynamic lights via \r_dlightMode 1 #define MAX_REAL_DLIGHTS (MAX_DLIGHTS*2) #define MAX_LITSURFS (MAX_DRAWSURFS) #define MAX_TEXTURE_SIZE 2048 // must be less or equal to 32768 #define USE_TESS_NEEDS_NORMAL //#define USE_TESS_NEEDS_ST2 #include "../qcommon/q_shared.h" #include "../qcommon/qfiles.h" #include "../qcommon/qcommon.h" #include "../renderercommon/tr_public.h" #include "tr_common.h" #include "iqm.h" #include "qgl.h" #define GL_INDEX_TYPE GL_UNSIGNED_INT typedef uint32_t glIndex_t; #define REFENTITYNUM_BITS 12 // as we actually using only 1 bit for dlight mask in opengl1 renderer #define REFENTITYNUM_MASK ((1<or.origin in local coordinates float modelMatrix[16]; } orientationr_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 64 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_ENVIRONMENT_MAPPED_FP, // with correct first-person mapping 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 { float base; float amplitude; float phase; float frequency; genFunc_t func; } 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, TMOD_OFFSET, TMOD_SCALE_OFFSET, } 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; union { // used for TMOD_TURBULENT and TMOD_STRETCH waveForm_t wave; // used for TMOD_TRANSFORM struct { 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, TMOD_OFFSET, TMOD_SCALE_OFFSET struct { float scale[2]; // s' = s * scale[0] + offset[0] float offset[2]; // t' = t * scale[1] + offset[1] }; // used for TMOD_SCROLL float scroll[2]; // s' = s + scroll[0] * time // t' = t + scroll[1] * time // used for TMOD_ROTATE // + = clockwise // - = counterclockwise float rotateSpeed; }; } texModInfo_t; #define MAX_IMAGE_ANIMATIONS 64 #define MAX_IMAGE_ANIMATIONS_VQ3 64 #define LIGHTMAP_INDEX_NONE 0 #define LIGHTMAP_INDEX_SHADER 1 #define LIGHTMAP_INDEX_OFFSET 2 typedef struct { image_t *image[MAX_IMAGE_ANIMATIONS]; int numImageAnimations; double imageAnimationSpeed; // -EC- set to double texCoordGen_t tcGen; vec3_t tcGenVectors[2]; int numTexMods; texModInfo_t *texMods; int videoMapHandle; int lightmap; // LIGHTMAP_INDEX_NONE, LIGHTMAP_INDEX_SHADER, LIGHTMAP_INDEX_OFFSET qboolean isVideoMap; qboolean isScreenMap; } textureBundle_t; #define NUM_TEXTURE_BUNDLES 2 #define TESS_ST0 1<<0 #define TESS_ST1 1<<1 #define TESS_ENV0 1<<2 #define TESS_ENV1 1<<3 typedef struct { qboolean active; textureBundle_t bundle[NUM_TEXTURE_BUNDLES]; waveForm_t rgbWave; colorGen_t rgbGen; waveForm_t alphaWave; alphaGen_t alphaGen; color4ub_t constantColor; // for CGEN_CONST and AGEN_CONST unsigned stateBits; // GLS_xxxx mask GLint mtEnv; // 0, GL_MODULATE, GL_ADD, GL_DECAL acff_t adjustColorsForFog; qboolean isDetail; qboolean depthFragment; short vboVPindex[3]; // normal, eye-in, eye-out short vboFPindex[2]; // normal, fog-blend uint32_t color_offset; // within current shader uint32_t tex_offset[2]; // within current shader uint32_t tessFlags; } shaderStage_t; struct shaderCommands_s; 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 translucent, 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 lightmapSearchIndex; // for a shader to match, both name and lightmapIndex must match int lightmapIndex; // for rendering 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 float portalRangeR; qboolean multitextureEnv; // if shader has multitexture stage(s) 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 unsigned noMipMaps:1; // for console fonts, 2D elements, etc. unsigned noPicMip:1; // for images that must always be full resolution unsigned noLightScale:1; unsigned noVLcollapse:1; // ignore vertexlight mode 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]; #ifdef USE_PMLIGHT int lightingStage; int lightingBundle; #endif qboolean isStaticShader; int svarsSize; int iboOffset; int vboOffset; int normalOffset; int numIndexes; int numVertexes; int curVertexes; int curIndexes; int hasScreenMap; void (*optimalStageIteratorFunc)( void ); double clampTime; // time this shader is clamped to - set to double for frameloss fix -EC- double timeOffset; // current time offset for this shader - set to double for frameloss fix -EC- struct shader_s *remappedShader; // current shader this one is remapped too struct shader_s *next; } shader_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 double floatTime; // tr.refdef.time / 1000.0 -EC- set to double // text messages for deform text shaders char text[MAX_RENDER_STRINGS][MAX_RENDER_STRING_LENGTH]; int num_entities; trRefEntity_t *entities; unsigned int num_dlights; struct dlight_s *dlights; int numPolys; struct srfPoly_s *polys; int numDrawSurfs; struct drawSurf_s *drawSurfs; #ifdef USE_PMLIGHT int numLitSurfs; struct litSurf_s *litSurfs; #endif } trRefdef_t; typedef struct image_s { char *imgName; // image path, including extension char *imgName2; // image path with real file extension struct image_s *next; // for hash search int width, height; // source image int uploadWidth; // after power of two and picmip but not including clamp to MAX_TEXTURE_SIZE int uploadHeight; imgFlags_t flags; GLuint texnum; // gl texture binding int frameUsed; // for texture usage in frame statistics GLint internalFormat; int TMU; // only needed for voodoo2 } image_t; //================================================================================= // max surfaces per-skin // This is an arbitrary limit. Vanilla Q3 only supported 32 surfaces in skins but failed to // enforce the maximum limit when reading skin files. It was possile to use more than 32 // surfaces which accessed out of bounds memory past end of skin->surfaces hunk block. #define MAX_SKIN_SURFACES 256 // 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; // dynamically allocated array of surfaces } skin_t; typedef struct { int originalBrushNumber; vec3_t bounds[2]; color4ub_t colorInt; // in packed byte format vec4_t color; 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 { float eyeT; qboolean eyeOutside; vec4_t fogDistanceVector; vec4_t fogDepthVector; const float *fogColor; // vec4_t } fogProgramParms_t; typedef enum { PV_NONE = 0, PV_PORTAL, // this view is through a portal PV_MIRROR, // portal + inverted face culling PV_COUNT } portalView_t; typedef struct { orientationr_t or; orientationr_t world; vec3_t pvsOrigin; // may be different than or.origin for portals portalView_t portalView; 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; int scissorX, scissorY, scissorWidth, scissorHeight; float fovX, fovY; float projectionMatrix[16]; cplane_t frustum[5]; vec3_t visBounds[2]; float zFar; stereoFrame_t stereoFrame; #ifdef USE_PMLIGHT // each view will have its own dlight set unsigned int num_dlights; struct dlight_s *dlights; #endif } 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_MDR, SF_IQM, SF_FLARE, SF_ENTITY, // beams, rails, lightning, etc that can be determined by entity SF_NUM_SURFACE_TYPES, SF_MAX = 0x7fffffff // ensures that sizeof( surfaceType_t ) == sizeof( int ) } surfaceType_t; typedef struct drawSurf_s { unsigned int sort; // bit combination for fast compares surfaceType_t *surface; // any of surface*_t } drawSurf_t; #ifdef USE_PMLIGHT typedef struct litSurf_s { unsigned int sort; // bit combination for fast compares surfaceType_t *surface; // any of surface*_t struct litSurf_s *next; } litSurf_t; #endif #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 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; int vboItemIndex; int vboExpectIndices; int vboExpectVertices; // 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 #ifdef USE_LEGACY_DLIGHTS int dlightBits; #endif int vboItemIndex; float *normals; // 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 #ifdef USE_LEGACY_DLIGHTS int dlightBits; #endif int vboItemIndex; // 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; typedef struct { vec3_t translate; quat_t rotate; vec3_t scale; } iqmTransform_t; // inter-quake-model typedef struct { int num_vertexes; int num_triangles; int num_frames; int num_surfaces; int num_joints; int num_poses; struct srfIQModel_s *surfaces; int *triangles; // vertex arrays float *positions; float *texcoords; float *normals; float *tangents; byte *colors; int *influences; // [num_vertexes] indexes into influenceBlendVertexes // unique list of vertex blend indexes/weights for faster CPU vertex skinning byte *influenceBlendIndexes; // [num_influences] union { float *f; byte *b; } influenceBlendWeights; // [num_influences] // depending upon the exporter, blend indices and weights might be int/float // as opposed to the recommended byte/byte, for example Noesis exports // int/float whereas the official IQM tool exports byte/byte int blendWeightsType; // IQM_UBYTE or IQM_FLOAT char *jointNames; int *jointParents; float *bindJoints; // [num_joints * 12] float *invBindJoints; // [num_joints * 12] iqmTransform_t *poses; // [num_frames * num_poses] float *bounds; } 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; int first_influence, num_influences; } 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; #ifdef USE_PMLIGHT int vcVisible; // if == tr.viewCount, is actually VISIBLE in this frame, i.e. passed facecull and has been added to the drawsurf list int lightCount; // if == tr.lightCount, already added to the litsurf list for the current light #endif // USE_PMLIGHT surfaceType_t *data; // any of srf*_t } msurface_t; 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; const char *entityParsePoint; } world_t; //====================================================================== typedef enum { MOD_BAD, MOD_BRUSH, MOD_MESH, MOD_MDR, 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_MDR | MOD_IQM) int numLods; } model_t; #define MAX_MOD_KNOWN 8192 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); //==================================================== #define MAX_DRAWIMAGES 16384 #define MAX_SKINS 1024 #define MAX_DRAWSURFS 0x200000 #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 DLIGHT_BITS 1 // qboolean in opengl1 renderer #define DLIGHT_MASK ((1< 32 #error "Need to update sorting, too many bits." #endif #define QSORT_REFENTITYNUM_MASK (REFENTITYNUM_MASK << QSORT_REFENTITYNUM_SHIFT) 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; #ifdef USE_PMLIGHT int c_light_cull_out; int c_light_cull_in; int c_lit_leafs; int c_lit_surfs; int c_lit_culls; int c_lit_masks; #endif } 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 { GLuint currenttextures[ MAX_TEXTURE_UNITS ]; int currenttmu; qboolean finishCalled; GLint texEnv[2]; cullType_t faceCulling; unsigned glStateBits; unsigned glClientStateBits[ MAX_TEXTURE_UNITS ]; int currentArray; } glstate_t; typedef struct glstatic_s { // unmodified width/height according to actual \r_mode* int windowWidth; int windowHeight; int captureWidth; int captureHeight; int initTime; qboolean deviceSupportsGamma; } glstatic_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 #ifdef USE_PMLIGHT int c_lit_batches; int c_lit_vertices; int c_lit_indices; int c_lit_indices_latecull_in; int c_lit_indices_latecull_out; int c_lit_vertices_lateculltest; #endif } backEndCounters_t; typedef struct videoFrameCommand_s { int commandId; int width; int height; byte *captureBuffer; byte *encodeBuffer; qboolean motionJpeg; } videoFrameCommand_t; enum { SCREENSHOT_TGA = 1<<0, SCREENSHOT_JPG = 1<<1, SCREENSHOT_BMP = 1<<2, SCREENSHOT_BMP_CLIPBOARD = 1<<3, SCREENSHOT_AVI = 1<<4 // take video frame }; // all state modified by the back end is separated // from the front end state typedef struct { trRefdef_t refdef; viewParms_t viewParms; orientationr_t or; backEndCounters_t pc; qboolean isHyperspace; const trRefEntity_t *currentEntity; qboolean skyRenderedThisView; // flag for drawing sun qboolean projection2D; // if qtrue, drawstretchpic doesn't need to change modes color4ub_t color2D; qboolean doneBloom; // done bloom this frame qboolean doneSurfaces; // done any 3d surfaces already trRefEntity_t entity2D; // currentEntity will point at this when doing 2D rendering int screenshotMask; // tga | jpg | bmp char screenshotTGA[ MAX_OSPATH ]; char screenshotJPG[ MAX_OSPATH ]; char screenshotBMP[ MAX_OSPATH ]; qboolean screenShotTGAsilent; qboolean screenShotJPGsilent; qboolean screenShotBMPsilent; videoFrameCommand_t vcmd; // avi capture qboolean throttle; qboolean drawConsole; qboolean doneShadows; } 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 qboolean inited; // cleared at shutdown, set at InitOpenGL 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 #ifdef USE_PMLIGHT int lightCount; // incremented for each dlight in the view #endif 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[ MAX_VIDEO_HANDLES ]; 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 *whiteShader; shader_t *cinematicShader; shader_t *shadowShader; shader_t *projectionShadowShader; shader_t *flareShader; shader_t *sunShader; int numLightmaps; image_t **lightmaps; float lightmapOffset[2]; // current shader lightmap offset float lightmapScale[2]; // for lightmap atlases int lightmapMod; // for lightmap atlases 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; #ifdef USE_PMLIGHT dlight_t *light; // current light during R_RecursiveLightNode #endif 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 // // 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]; qboolean mapLoading; qboolean needScreenMap; qboolean vertexLightingAllowed; } trGlobals_t; extern backEndState_t backEnd; extern trGlobals_t tr; extern int gl_clamp_mode; extern glstate_t glState; // outside of TR since it shouldn't be cleared during ref re-init extern glstatic_t gls; extern qboolean windowAdjusted; extern qboolean superSampled; // // cvars // extern cvar_t *r_flareSize; extern cvar_t *r_flareFade; extern cvar_t *r_flareCoeff; // coefficient for the flare intensity falloff function. extern cvar_t *r_railWidth; extern cvar_t *r_railCoreWidth; extern cvar_t *r_railSegmentLength; 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_lodbias; // push/pull LOD transitions extern cvar_t *r_lodscale; extern cvar_t *r_fastsky; // controls whether sky should be cleared or drawn extern cvar_t *r_neatsky; // nomip and nopicmip for skyboxes, cnq3 like look extern cvar_t *r_drawSun; // controls drawing of sun quad extern cvar_t *r_dynamiclight; // dynamic lights enabled/disabled extern cvar_t *r_mergeLightmaps; #ifdef USE_PMLIGHT extern cvar_t *r_dlightMode; // 0 - vq3, 1 - pmlight extern cvar_t *r_dlightSpecPower; // 1 - 32 extern cvar_t *r_dlightSpecColor; // -1.0 - 1.0 extern cvar_t *r_dlightScale; // 0.1 - 1.0 extern cvar_t *r_dlightIntensity; // 0.1 - 1.0 #endif extern cvar_t *r_dlightSaturation; // 0.0 - 1.0 extern cvar_t *r_vbo; extern cvar_t *r_fbo; extern cvar_t *r_hdr; extern cvar_t *r_bloom; extern cvar_t *r_bloom_threshold; extern cvar_t *r_bloom_threshold_mode; extern cvar_t *r_bloom_modulate; extern cvar_t *r_bloom_passes; extern cvar_t *r_bloom_blend_base; extern cvar_t *r_bloom_intensity; extern cvar_t *r_bloom_filter_size; extern cvar_t *r_bloom_reflection; extern cvar_t *r_renderWidth; extern cvar_t *r_renderHeight; extern cvar_t *r_renderScale; 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_gamma; 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_nomip; // apply picmip only on worldspawn textures extern cvar_t *r_finish; 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_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_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_mapGreyScale; extern cvar_t *r_mapColorScale; extern cvar_t *r_mapColorRed; extern cvar_t *r_mapColorGreen; extern cvar_t *r_mapColorBlue; extern cvar_t *r_mapColorRedW; extern cvar_t *r_mapColorGreenW; extern cvar_t *r_mapColorBlueW; extern cvar_t *r_mapColorRedT; extern cvar_t *r_mapColorGreenT; extern cvar_t *r_mapColorBlueT; extern cvar_t *r_debugSurface; extern cvar_t *r_simpleMipMaps; extern cvar_t *r_showImages; extern cvar_t *r_defaultImage; extern cvar_t *r_debugSort; extern cvar_t *r_printShaders; extern cvar_t *r_marksOnTriangleMeshes; //==================================================================== void R_SwapBuffers( int ); void R_RenderView( const 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 ); #ifdef USE_PMLIGHT void R_DecomposeLitSort( unsigned sort, int *entityNum, shader_t **shader, int *fogNum ); void R_AddLitSurf( surfaceType_t *surface, shader_t *shader, int fogIndex ); #endif #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_LocalPointToWorld( const vec3_t local, vec3_t world ); int R_CullLocalBox( const vec3_t bounds[2] ); int R_CullPointAndRadius( const vec3_t origin, float radius ); int R_CullLocalPointAndRadius( const vec3_t origin, float radius ); int R_CullDlight( const dlight_t *dl ); 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 */ const float *GL_Ortho( const float left, const float right, const float bottom, const float top, const float znear, const float zfar ); void GL_Bind( image_t *image ); void GL_BindTexNum( GLuint texnum ); void GL_SelectTexture( int unit ); void GL_BindTexture( int unit, GLuint texnum ); void GL_TextureMode( const char *string ); void GL_CheckErrors( void ); void GL_State( unsigned stateVector ); void GL_ClientState( int unit, unsigned stateVector ); void GL_TexEnv( GLint env ); void GL_Cull( cullType_t 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_BLEND_BITS (GLS_SRCBLEND_BITS | GLS_DSTBLEND_BITS) #define GLS_DEPTHMASK_TRUE 0x00000100 #define GLS_POLYMODE_LINE 0x00000200 #define GLS_DEPTHTEST_DISABLE 0x00000400 #define GLS_DEPTHFUNC_EQUAL 0x00000800 #define GLS_ATEST_GT_0 0x00001000 #define GLS_ATEST_LT_80 0x00002000 #define GLS_ATEST_GE_80 0x00003000 #define GLS_ATEST_BITS 0x00003000 #define GLS_DEFAULT GLS_DEPTHMASK_TRUE // vertex array states #define CLS_NONE 0x00000000 #define CLS_COLOR_ARRAY 0x00000001 #define CLS_TEXCOORD_ARRAY 0x00000002 #define CLS_NORMAL_ARRAY 0x00000004 void RE_StretchRaw( int x, int y, int w, int h, int cols, int rows, byte *data, int client, qboolean dirty ); void RE_UploadCinematic( int w, int h, int cols, int rows, 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 ); qboolean RE_GetEntityToken( char *buffer, int size ); model_t *R_AllocModel( void ); void R_Init( void ); void R_SetColorMappings( void ); void R_GammaCorrect( byte *buffer, int bufSize ); void R_ColorShiftLightingBytes( const byte in[4], byte out[4], qboolean hasAlpha ); void R_ImageList_f( void ); void R_SkinList_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 // 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 RE_RemapShader(const char *oldShader, const char *newShader, const char *timeOffset); // // tr_surface.c // void RB_SurfaceGridEstimate( srfGridMesh_t *cv, int *numVertexes, int *numIndexes ); /* ==================================================================== TESSELATOR/SHADER DECLARATIONS ==================================================================== */ typedef struct stageVars { color4ub_t colors[SHADER_MAX_VERTEXES]; vec2_t texcoords[NUM_TEXTURE_BUNDLES][SHADER_MAX_VERTEXES]; vec2_t *texcoordPtr[NUM_TEXTURE_BUNDLES]; } stageVars_t; typedef struct shaderCommands_s { #pragma pack(push,16) glIndex_t indexes[SHADER_MAX_INDEXES] QALIGN(16); vec4_t xyz[SHADER_MAX_VERTEXES*2] QALIGN(16); // 2x needed for shadows vec4_t normal[SHADER_MAX_VERTEXES] QALIGN(16); vec2_t texCoords[2][SHADER_MAX_VERTEXES] QALIGN(16); vec2_t texCoords00[SHADER_MAX_VERTEXES] QALIGN(16); color4ub_t vertexColors[SHADER_MAX_VERTEXES] QALIGN(16); #ifdef USE_LEGACY_DLIGHTS int vertexDlightBits[SHADER_MAX_VERTEXES] QALIGN(16); #endif stageVars_t svars QALIGN(16); color4ub_t constantColor255[SHADER_MAX_VERTEXES] QALIGN(16); #pragma pack(pop) surfaceType_t surfType; int vboIndex; qboolean allowVBO; shader_t *shader; double shaderTime; // -EC- set to double for frameloss fix int fogNum; #ifdef USE_LEGACY_DLIGHTS int dlightBits; // or together of all vertexDlightBits #endif int numIndexes; int numVertexes; #ifdef USE_PMLIGHT const dlight_t* light; qboolean dlightPass; qboolean dlightUpdateParams; cullType_t cullType; #endif // info extracted from current shader #ifdef USE_TESS_NEEDS_NORMAL int needsNormal; #endif #ifdef USE_TESS_NEEDS_ST2 int needsST2; #endif int numPasses; 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) RB_CheckOverflow(v,i) void RB_StageIteratorGeneric( void ); void RB_StageIteratorSky( void ); void RB_AddQuadStamp( const vec3_t origin, const vec3_t left, const vec3_t up, color4ub_t color ); void RB_AddQuadStampExt( const vec3_t origin, const vec3_t left, const vec3_t up, color4ub_t color, float s1, float t1, float s2, float t2 ); void RB_AddQuadStamp2( float x, float y, float w, float h, float s1, float t1, float s2, float t2, color4ub_t color ); 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 ); #ifdef USE_PMLIGHT void ARB_SetupLightParams( void ); void ARB_LightingPass( void ); qboolean R_LightCullBounds( const dlight_t* dl, const vec3_t mins, const vec3_t maxs ); #endif // USE_PMLIGHT void R_BindAnimatedImage( const textureBundle_t *bundle ); void R_DrawElements( int numIndexes, const glIndex_t *indexes ); void R_ComputeColors( const shaderStage_t *pStage ); void R_ComputeTexCoords( const int b, const textureBundle_t *bundle ); void QGL_InitARB( void ); void QGL_DoneARB( void ); void QGL_InitFBO( void ); qboolean ARB_UpdatePrograms( void ); qboolean GL_ProgramAvailable( void ); void GL_ProgramDisable( void ); void GL_ProgramEnable( void ); extern qboolean fboEnabled; extern qboolean blitMSfbo; void FBO_BindMain( void ); void FBO_PostProcess( void ); void FBO_BlitMS( qboolean depthOnly ); void FBO_BlitSS( void ); qboolean FBO_Bloom( const float gamma, const float obScale, qboolean finalPass ); void FBO_CopyScreen( void ); GLuint FBO_ScreenTexture( void ); /* ============================================================ SHADOWS ============================================================ */ void RB_ShadowTessEnd( void ); void RB_ShadowFinish( void ); void RB_ProjectionShadowDeform( void ); /* ============================================================ SKIES ============================================================ */ void R_InitSkyTexCoords( float cloudLayerHeight ); void R_DrawSkyBox( const shaderCommands_t *shader ); void RB_DrawSun( float scale, shader_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, qboolean intShaderTime ); 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_AddLinearLightToScene( const vec3_t start, const vec3_t end, float intensity, float r, float g, float b ); void RE_RenderScene( const refdef_t *fd ); /* ============================================================= 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); /* ============================================================= ANIMATED MODELS ============================================================= */ void R_MDRAddAnimSurfaces( trRefEntity_t *ent ); void RB_MDRSurfaceAnim( mdrSurface_t *surface ); qboolean R_LoadIQM (model_t *mod, void *buffer, int filesize, const char *name ); void R_AddIQMSurfaces( trRefEntity_t *ent ); void RB_IQMSurfaceAnim( const surfaceType_t *surface ); int R_IQMLerpTag( orientation_t *tag, iqmData_t *data, int startFrame, int endFrame, float frac, const char *tagName ); /* ============================================================= ============================================================= */ 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_CalcEnvironmentTexCoordsFP( float *dstTexCoords, qboolean screenMap ); void RB_CalcFogTexCoords( float *dstTexCoords ); const fogProgramParms_t *RB_CalcFogProgramParms( void ); void RB_CalcScrollTexCoords( const float scroll[2], float *srcTexCoords, float *dstTexCoords ); void RB_CalcRotateTexCoords( float rotSpeed, float *srcTexCoords, float *dstTexCoords ); void RB_CalcScaleTexCoords( const float scale[2], float *srcTexCoords, float *dstTexCoords ); void RB_CalcTurbulentTexCoords( const waveForm_t *wf, float *srcTexCoords, float *dstTexCoords ); void RB_CalcTransformTexCoords( const texModInfo_t *tmi, float *srcTexCoords, 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 *srcTexCoords, float *dstTexCoords ); 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 0x80000 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; } finishBloomCommand_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; GLboolean rgba[4]; } colorMaskCommand_t; typedef struct { int commandId; } clearDepthCommand_t; typedef struct { int commandId; qboolean fullscreen; qboolean frontAndBack; qboolean colorMask; } clearColorCommand_t; typedef enum { RC_END_OF_LIST, RC_SET_COLOR, RC_STRETCH_PIC, RC_DRAW_SURFS, RC_DRAW_BUFFER, RC_SWAP_BUFFERS, RC_FINISHBLOOM, RC_COLORMASK, RC_CLEARDEPTH, RC_CLEARCOLOR } 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 65536 #define MAX_POLYVERTS 65536*2 // all of the information needed by the back end must be // contained in a backEndData_t typedef struct { drawSurf_t drawSurfs[MAX_DRAWSURFS]; #ifdef USE_PMLIGHT litSurf_t litSurfs[MAX_LITSURFS]; dlight_t dlights[MAX_REAL_DLIGHTS]; #else dlight_t dlights[MAX_DLIGHTS]; #endif 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; void RB_ExecuteRenderCommands( const void *data ); void RB_TakeScreenshot( int x, int y, int width, int height, const char *fileName ); void RB_TakeScreenshotJPEG( int x, int y, int width, int height, const char *fileName ); void RB_TakeScreenshotBMP( int x, int y, int width, int height, const char *fileName, int clipboard ); void R_IssuePendingRenderCommands( void ); void R_AddDrawSurfCmd( drawSurf_t *drawSurfs, int numDrawSurfs ); void RE_SetColor( const float *rgba ); 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_TakeVideoFrame( int width, int height, byte *captureBuffer, byte *encodeBuffer, qboolean motionJpeg ); void RE_FinishBloom( void ); void RE_ThrottleBackend( void ); qboolean RE_CanMinimize( void ); const glconfig_t *RE_GetConfig( void ); void RE_VertexLighting( qboolean allowed ); //Bloom Stuff #define MAX_FILTER_SIZE 20 #define MIN_FILTER_SIZE 1 #define MAX_BLUR_PASSES MAX_TEXTURE_UNITS void R_BloomScreen( void ); #define GLE( ret, name, ... ) extern ret ( APIENTRY * q##name )( __VA_ARGS__ ); QGL_Core_PROCS; QGL_Ext_PROCS; QGL_ARB_PROGRAM_PROCS; QGL_VBO_PROCS; QGL_FBO_PROCS; QGL_FBO_OPT_PROCS; #undef GLE // VBO functions extern void RB_StageIteratorVBO( void ); extern void R_BuildWorldVBO( msurface_t *surf, int surfCount ); extern void VBO_PushData( int itemIndex, shaderCommands_t *input ); extern void VBO_UnBind( void ); extern int VBO_Active( void ); extern void VBO_Cleanup( void ); extern void VBO_QueueItem( int itemIndex ); extern void VBO_ClearQueue( void ); extern void VBO_Flush( void ); // ARB shaders definitions typedef enum { Vertex, Fragment } programType; typedef enum { DEFAULT_VERTEX, DEFAULT_FRAGMENT, PROGRAM_BASE, DUMMY_VERTEX = PROGRAM_BASE, // locate all fog programs in predefined order (sequentially after non-fogged ones) // so we can easy switch/adjust them without many if() statements #ifdef USE_PMLIGHT DLIGHT_VERTEX, DLIGHT_VERTEX_FOG_IN, DLIGHT_VERTEX_FOG_OUT, DLIGHT_FRAGMENT, DLIGHT_FRAGMENT_FOG, DLIGHT_ABS_FRAGMENT, DLIGHT_ABS_FRAGMENT_FOG, DLIGHT_LINEAR_FRAGMENT, DLIGHT_LINEAR_FRAGMENT_FOG, DLIGHT_LINEAR_ABS_FRAGMENT, DLIGHT_LINEAR_ABS_FRAGMENT_FOG, #endif SPRITE_FRAGMENT, GAMMA_FRAGMENT, BLOOM_EXTRACT_FRAGMENT, BLUR_FRAGMENT, BLUR2_FRAGMENT, BLENDX_FRAGMENT, BLEND2_FRAGMENT, BLEND2_GAMMA_FRAGMENT, PROGRAM_COUNT } programNum; extern const char *fogOutVPCode; extern const char *fogInVPCode; qboolean ARB_CompileProgram( programType ptype, const char *text, GLuint program ); void ARB_ProgramEnableExt( GLuint vertexProgram, GLuint fragmentProgram ); void QGL_SetRenderScale( qboolean verbose ); int R_GetLightmapCoords( const int lightmapIndex, float *x, float *y ); #endif //TR_LOCAL_H