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Boxlights / Experimental occlusion culling

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This commit is contained in:
cholleme 2003-05-04 21:45:02 +00:00
parent 92f88376bc
commit 54617420eb
1 changed files with 30 additions and 5 deletions
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35
glquake.h
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@ -347,7 +347,9 @@ extern cvar_t sh_visiblevolumes;
extern cvar_t sh_entityshadows; extern cvar_t sh_entityshadows;
extern cvar_t sh_meshshadows; extern cvar_t sh_meshshadows;
extern cvar_t sh_worldshadows; extern cvar_t sh_worldshadows;
extern cvar_t sh_showlightnum; extern cvar_t sh_showlightsciss;
extern cvar_t sh_occlusiontest;
extern cvar_t sh_showlightvolume;
extern cvar_t sh_glows; extern cvar_t sh_glows;
extern cvar_t cg_showfps; // set for running times - muff extern cvar_t cg_showfps; // set for running times - muff
extern cvar_t sh_debuginfo; extern cvar_t sh_debuginfo;
@ -460,6 +462,14 @@ extern PFNBLENDCOLORPROC qglBlendColor;
// ARB_texture_compression defines // ARB_texture_compression defines
#define GL_COMPRESSED_RGBA_ARB 0x84EE #define GL_COMPRESSED_RGBA_ARB 0x84EE
//HP_occlusion_test defines
#define GL_OCCLUSION_TEST_HP 0x8165
#define GL_OCCLUSION_TEST_RESULT_HP 0x8166
extern qboolean gl_occlusiontest;
extern int occlusion_cut_meshes;
extern int occlusion_cut_entities;
extern int occlusion_cut_lights;
#define GL_STENCIL_BACK_FUNC_ATI 0x8800 #define GL_STENCIL_BACK_FUNC_ATI 0x8800
#define GL_STENCIL_BACK_FAIL_ATI 0x8801 #define GL_STENCIL_BACK_FAIL_ATI 0x8801
#define GL_STENCIL_BACK_PASS_DEPTH_FAIL_ATI 0x8802 #define GL_STENCIL_BACK_PASS_DEPTH_FAIL_ATI 0x8802
@ -1106,20 +1116,27 @@ typedef union lightcmd_u {
void *asVoid; void *asVoid;
} lightcmd_t; } lightcmd_t;
typedef struct {
vec3_t mins, maxs;
} aabox_t;
typedef struct shadowlight_s { typedef struct shadowlight_s {
vec3_t origin; //position of light source vec3_t origin; //position of light source
vec3_t baseColor, color; //light color, animated color vec3_t baseColor, color; //light color, animated color
float radius; //radius of light source (doesn't light anyting out of that circle) float radius; //radius of light source (doesn't light anyting out of that circle)
//so we can "clip" our shadowvolumes against that circle //so we can "clip" our shadowvolumes against that circle
vec3_t radiusv; //the 3 radiusses of the elipse around the light
aabox_t box; //bounding box of the light. Thise boxes are not nececarry cubes
//and may be smaller than the corresponding radius
float brightness; float brightness;
qboolean visible; //light is "visible" this frame qboolean visible; //light is "visible" this frame
qboolean shadowchainfilled;
qboolean isStatic; //light is static and has a precalc volume qboolean isStatic; //light is static and has a precalc volume
qboolean castShadow;//lights casts shadows qboolean castShadow;//lights casts shadows
qboolean halo; //light has a halo qboolean halo; //light has a halo
mleaf_t *leaf; //leaf this light is in mleaf_t *leaf; //leaf this light is in
byte vis[MAX_MAP_LEAFS/8];//redone pvs for light, only poly's in nodes byte leafvis[MAX_MAP_LEAFS/8];//redone pvs for light, only poly's in nodes (leaf bits
byte entvis[MAX_MAP_LEAFS/8];//original pvs a light origin byte entclustervis[MAX_MAP_LEAFS/8];//original pvs a light origin (cluster bits)
msurface_t **visSurf; //the surfaces that should cast shadows for this light (only when static) msurface_t **visSurf; //the surfaces that should cast shadows for this light (only when static)
int *volumeCmds; //gl commands to draw the shadow volume int *volumeCmds; //gl commands to draw the shadow volume
float *volumeVerts; float *volumeVerts;
@ -1341,7 +1358,7 @@ void R_DrawWorldBumpedRadeon (void);
void R_DrawWorldBumpedParhelia (void); void R_DrawWorldBumpedParhelia (void);
void R_DrawWorldBumpedARB (void); void R_DrawWorldBumpedARB (void);
void R_DrawWorldWV (lightcmd_t *lightCmds, qboolean specular); void R_DrawWorldWV (lightcmd_t *lightCmds, qboolean specular);
qboolean R_FillShadowChain (shadowlight_t *light); qboolean R_FillLightChains (shadowlight_t *light);
mspriteframe_t *R_GetSpriteFrame (entity_t *currententity); mspriteframe_t *R_GetSpriteFrame (entity_t *currententity);
void R_Glare (void); void R_Glare (void);
void R_InitDrawWorld (void); void R_InitDrawWorld (void);
@ -1368,6 +1385,15 @@ void R_FillEntityLeafs (entity_t *ent);
void R_WorldMultiplyTextures (void); void R_WorldMultiplyTextures (void);
void R_WorldToObjectMatrix(entity_t *e, matrix_4x4 result); void R_WorldToObjectMatrix(entity_t *e, matrix_4x4 result);
/**
Returns true if both boxes intersect
*/
aabox_t emptyBox (void);
aabox_t constructBox (vec3_t mins, vec3_t maxs);
qboolean intersectsBox(aabox_t *b1, aabox_t *b2);
aabox_t intersectBoxes(aabox_t *b1, aabox_t *b2);
aabox_t addBoxes(aabox_t *b1, aabox_t *b2);
int EasyTgaLoad (char *filename); int EasyTgaLoad (char *filename);
void EmitBothSkyLayers (msurface_t *fa); void EmitBothSkyLayers (msurface_t *fa);
void EmitMirrorPolys (msurface_t *fa); void EmitMirrorPolys (msurface_t *fa);
@ -1398,7 +1424,6 @@ void GL_Set2D (void);
void GL_SetupCubeMapMatrix (const transform_t *tr); void GL_SetupCubeMapMatrix (const transform_t *tr);
void GL_SubdivideSurface (msurface_t *fa); void GL_SubdivideSurface (msurface_t *fa);
void GL_Upload8_EXT (byte *data, int width, int height, qboolean mipmap, qboolean alpha); void GL_Upload8_EXT (byte *data, int width, int height, qboolean mipmap, qboolean alpha);
int GL_LoadLuma(char *identifier, qboolean mipmap);
void R_DrawCaustics(void); void R_DrawCaustics(void);
int CL_PointContents (vec3_t p); int CL_PointContents (vec3_t p);
void V_CalcBlend (void); void V_CalcBlend (void);